diff --git a/dist/xeokit-sdk.cjs.js b/dist/xeokit-sdk.cjs.js
index c03eeda1d..aee76ec80 100644
--- a/dist/xeokit-sdk.cjs.js
+++ b/dist/xeokit-sdk.cjs.js
@@ -77670,10 +77670,8 @@ class TrianglesDataTextureOcclusionRenderer {
         const scene = this._scene;
         const clipping = scene._sectionPlanesState.sectionPlanes.length > 0;
         const src = [];
+        src.push("#version 300 es");
         src.push("// TrianglesDataTextureColorRenderer vertex shader");
-        if (scene.logarithmicDepthBufferEnabled && WEBGL_INFO.SUPPORTED_EXTENSIONS["EXT_frag_depth"]) {
-            src.push("#extension GL_EXT_frag_depth : enable");
-        }
         src.push("uniform int renderPass;");
         src.push("attribute vec3 position;");
         if (scene.entityOffsetsEnabled) {
@@ -77723,12 +77721,7 @@ class TrianglesDataTextureOcclusionRenderer {
         }
         src.push("vec4 clipPos = projMatrix * viewPosition;");
         if (scene.logarithmicDepthBufferEnabled) {
-            if (WEBGL_INFO.SUPPORTED_EXTENSIONS["EXT_frag_depth"]) {
-                src.push("vFragDepth = 1.0 + clipPos.w;");
-            } else {
-                src.push("clipPos.z = log2( max( 1e-6, clipPos.w + 1.0 ) ) * logDepthBufFC - 1.0;");
-                src.push("clipPos.z *= clipPos.w;");
-            }
+            src.push("vFragDepth = 1.0 + clipPos.w;");
             src.push("isPerspective = float (isPerspectiveMatrix(projMatrix));");
         }
         src.push("gl_Position = clipPos;");
@@ -77742,10 +77735,8 @@ class TrianglesDataTextureOcclusionRenderer {
         const sectionPlanesState = scene._sectionPlanesState;
         const clipping = sectionPlanesState.sectionPlanes.length > 0;
         const src = [];
+        src.push('#version 300 es');
         src.push("// TrianglesDataTextureColorRenderer fragment shader");
-        if (scene.logarithmicDepthBufferEnabled && WEBGL_INFO.SUPPORTED_EXTENSIONS["EXT_frag_depth"]) {
-            src.push("#extension GL_EXT_frag_depth : enable");
-        }
         src.push("#ifdef GL_FRAGMENT_PRECISION_HIGH");
         src.push("precision highp float;");
         src.push("precision highp int;");
@@ -77753,7 +77744,7 @@ class TrianglesDataTextureOcclusionRenderer {
         src.push("precision mediump float;");
         src.push("precision mediump int;");
         src.push("#endif");
-        if (scene.logarithmicDepthBufferEnabled && WEBGL_INFO.SUPPORTED_EXTENSIONS["EXT_frag_depth"]) {
+        if (scene.logarithmicDepthBufferEnabled) {
             src.push("in float isPerspective;");
             src.push("uniform float logDepthBufFC;");
             src.push("in float vFragDepth;");
@@ -77780,7 +77771,7 @@ class TrianglesDataTextureOcclusionRenderer {
             src.push("      if (dist > 0.0) { discard; }");
             src.push("  }");
         }
-        if (scene.logarithmicDepthBufferEnabled && WEBGL_INFO.SUPPORTED_EXTENSIONS["EXT_frag_depth"]) {
+        if (scene.logarithmicDepthBufferEnabled) {
             src.push("    gl_FragDepthEXT = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");
         }
         src.push("   gl_FragColor = vec4(0.0, 0.0, 1.0, 1.0); "); // Occluders are blue
@@ -78540,6 +78531,7 @@ class TrianglesDataTextureNormalsRenderer {
         const sectionPlanesState = scene._sectionPlanesState;
         const clipping = (sectionPlanesState.sectionPlanes.length > 0);
         const src = [];
+        src.push("#version 300 es");
         src.push("// Batched geometry normals fragment shader");
 
         if (scene.logarithmicDepthBufferEnabled && WEBGL_INFO.SUPPORTED_EXTENSIONS["EXT_frag_depth"]) {
diff --git a/dist/xeokit-sdk.es.js b/dist/xeokit-sdk.es.js
index 740e15994..653b0c98a 100644
--- a/dist/xeokit-sdk.es.js
+++ b/dist/xeokit-sdk.es.js
@@ -77666,10 +77666,8 @@ class TrianglesDataTextureOcclusionRenderer {
         const scene = this._scene;
         const clipping = scene._sectionPlanesState.sectionPlanes.length > 0;
         const src = [];
+        src.push("#version 300 es");
         src.push("// TrianglesDataTextureColorRenderer vertex shader");
-        if (scene.logarithmicDepthBufferEnabled && WEBGL_INFO.SUPPORTED_EXTENSIONS["EXT_frag_depth"]) {
-            src.push("#extension GL_EXT_frag_depth : enable");
-        }
         src.push("uniform int renderPass;");
         src.push("attribute vec3 position;");
         if (scene.entityOffsetsEnabled) {
@@ -77719,12 +77717,7 @@ class TrianglesDataTextureOcclusionRenderer {
         }
         src.push("vec4 clipPos = projMatrix * viewPosition;");
         if (scene.logarithmicDepthBufferEnabled) {
-            if (WEBGL_INFO.SUPPORTED_EXTENSIONS["EXT_frag_depth"]) {
-                src.push("vFragDepth = 1.0 + clipPos.w;");
-            } else {
-                src.push("clipPos.z = log2( max( 1e-6, clipPos.w + 1.0 ) ) * logDepthBufFC - 1.0;");
-                src.push("clipPos.z *= clipPos.w;");
-            }
+            src.push("vFragDepth = 1.0 + clipPos.w;");
             src.push("isPerspective = float (isPerspectiveMatrix(projMatrix));");
         }
         src.push("gl_Position = clipPos;");
@@ -77738,10 +77731,8 @@ class TrianglesDataTextureOcclusionRenderer {
         const sectionPlanesState = scene._sectionPlanesState;
         const clipping = sectionPlanesState.sectionPlanes.length > 0;
         const src = [];
+        src.push('#version 300 es');
         src.push("// TrianglesDataTextureColorRenderer fragment shader");
-        if (scene.logarithmicDepthBufferEnabled && WEBGL_INFO.SUPPORTED_EXTENSIONS["EXT_frag_depth"]) {
-            src.push("#extension GL_EXT_frag_depth : enable");
-        }
         src.push("#ifdef GL_FRAGMENT_PRECISION_HIGH");
         src.push("precision highp float;");
         src.push("precision highp int;");
@@ -77749,7 +77740,7 @@ class TrianglesDataTextureOcclusionRenderer {
         src.push("precision mediump float;");
         src.push("precision mediump int;");
         src.push("#endif");
-        if (scene.logarithmicDepthBufferEnabled && WEBGL_INFO.SUPPORTED_EXTENSIONS["EXT_frag_depth"]) {
+        if (scene.logarithmicDepthBufferEnabled) {
             src.push("in float isPerspective;");
             src.push("uniform float logDepthBufFC;");
             src.push("in float vFragDepth;");
@@ -77776,7 +77767,7 @@ class TrianglesDataTextureOcclusionRenderer {
             src.push("      if (dist > 0.0) { discard; }");
             src.push("  }");
         }
-        if (scene.logarithmicDepthBufferEnabled && WEBGL_INFO.SUPPORTED_EXTENSIONS["EXT_frag_depth"]) {
+        if (scene.logarithmicDepthBufferEnabled) {
             src.push("    gl_FragDepthEXT = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");
         }
         src.push("   gl_FragColor = vec4(0.0, 0.0, 1.0, 1.0); "); // Occluders are blue
@@ -78536,6 +78527,7 @@ class TrianglesDataTextureNormalsRenderer {
         const sectionPlanesState = scene._sectionPlanesState;
         const clipping = (sectionPlanesState.sectionPlanes.length > 0);
         const src = [];
+        src.push("#version 300 es");
         src.push("// Batched geometry normals fragment shader");
 
         if (scene.logarithmicDepthBufferEnabled && WEBGL_INFO.SUPPORTED_EXTENSIONS["EXT_frag_depth"]) {
diff --git a/dist/xeokit-sdk.es5.js b/dist/xeokit-sdk.es5.js
index 666655336..8deb81a83 100644
--- a/dist/xeokit-sdk.es5.js
+++ b/dist/xeokit-sdk.es5.js
@@ -17420,11 +17420,11 @@ src.push("if (solid != 1u) {");src.push("if (isPerspectiveMatrix(projMatrix)) {"
 src.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);");src.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;");src.push("vec4 viewPosition = viewMatrix * worldPosition; ");src.push("vWorldNormal = normal.xyz;");src.push("vec4 clipPos = projMatrix * viewPosition;");if(scene.logarithmicDepthBufferEnabled){src.push("vFragDepth = 1.0 + clipPos.w;");src.push("isPerspective = float (isPerspectiveMatrix(projMatrix));");}if(clipping){src.push("      vWorldPosition = worldPosition;");src.push("      vFlags2 = flags2.w;");}src.push("gl_Position = clipPos;");src.push("}");src.push("}");return src;}},{key:"_buildFragmentShader",value:function _buildFragmentShader(){var scene=this._scene;var sectionPlanesState=scene._sectionPlanesState;var clipping=sectionPlanesState.sectionPlanes.length>0;var src=[];src.push('#version 300 es');src.push("// Triangles dataTexture pick normals fragment shader");src.push("#ifdef GL_FRAGMENT_PRECISION_HIGH");src.push("precision highp float;");src.push("precision highp int;");src.push("#else");src.push("precision mediump float;");src.push("precision mediump int;");src.push("#endif");if(scene.logarithmicDepthBufferEnabled){src.push("in float isPerspective;");src.push("uniform float logDepthBufFC;");src.push("in float vFragDepth;");}if(clipping){src.push("in vec4 vWorldPosition;");src.push("flat in uint vFlags2;");for(var i=0;i<sectionPlanesState.sectionPlanes.length;i++){src.push("uniform bool sectionPlaneActive"+i+";");src.push("uniform vec3 sectionPlanePos"+i+";");src.push("uniform vec3 sectionPlaneDir"+i+";");}}src.push("in vec3 vWorldNormal;");src.push("out vec4 outNormal;");src.push("void main(void) {");if(clipping){src.push("  bool clippable = vFlags2 > 0u;");src.push("  if (clippable) {");src.push("      float dist = 0.0;");for(var i=0;i<sectionPlanesState.sectionPlanes.length;i++){src.push("      if (sectionPlaneActive"+i+") {");src.push("          dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);");src.push("      }");}src.push("      if (dist > 0.0) { discard; }");src.push("  }");}if(scene.logarithmicDepthBufferEnabled){// src.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");
 src.push("    gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;");}src.push("    outNormal = vec4((vWorldNormal * 0.5) + 0.5, 1.0);");src.push("}");return src;}},{key:"webglContextRestored",value:function webglContextRestored(){this._program=null;}},{key:"destroy",value:function destroy(){if(this._program){this._program.destroy();}this._program=null;}}]);return TrianglesDataTexturePickNormalsRenderer;}();math.vec3();math.vec3();math.vec3();math.vec3();math.mat4();/**
  * @private
- */var TrianglesDataTextureOcclusionRenderer=/*#__PURE__*/function(){function TrianglesDataTextureOcclusionRenderer(scene){_classCallCheck(this,TrianglesDataTextureOcclusionRenderer);this._scene=scene;this._hash=this._getHash();this._allocate();}_createClass(TrianglesDataTextureOcclusionRenderer,[{key:"getValid",value:function getValid(){return this._hash===this._getHash();}},{key:"_getHash",value:function _getHash(){return this._scene._sectionPlanesState.getHash();}},{key:"drawLayer",value:function drawLayer(frameCtx,dataTextureLayer,renderPass){return;}},{key:"_allocate",value:function _allocate(){var scene=this._scene;var gl=scene.canvas.gl;this._program=new Program(gl,this._buildShader());if(this._program.errors){this.errors=this._program.errors;return;}var program=this._program;this._uRenderPass=program.getLocation("renderPass");this._uPositionsDecodeMatrix=program.getLocation("positionsDecodeMatrix");this._uWorldMatrix=program.getLocation("worldMatrix");this._uViewMatrix=program.getLocation("viewMatrix");this._uProjMatrix=program.getLocation("projMatrix");this._uSectionPlanes=[];for(var _i370=0,len=scene._sectionPlanesState.sectionPlanes.length;_i370<len;_i370++){this._uSectionPlanes.push({active:program.getLocation("sectionPlaneActive"+_i370),pos:program.getLocation("sectionPlanePos"+_i370),dir:program.getLocation("sectionPlaneDir"+_i370)});}this._aPosition=program.getAttribute("position");this._aOffset=program.getAttribute("offset");this._aColor=program.getAttribute("color");this._aFlags=program.getAttribute("flags");this._aFlags2=program.getAttribute("flags2");if(scene.logarithmicDepthBufferEnabled){this._uLogDepthBufFC=program.getLocation("logDepthBufFC");}}},{key:"_bindProgram",value:function _bindProgram(){var scene=this._scene;var gl=scene.canvas.gl;var project=scene.camera.project;this._program.bind();gl.uniformMatrix4fv(this._uProjMatrix,false,project.matrix);if(scene.logarithmicDepthBufferEnabled){var logDepthBufFC=2.0/(Math.log(project.far+1.0)/Math.LN2);gl.uniform1f(this._uLogDepthBufFC,logDepthBufFC);}}},{key:"_buildShader",value:function _buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()};}},{key:"_buildVertexShader",value:function _buildVertexShader(){var scene=this._scene;var clipping=scene._sectionPlanesState.sectionPlanes.length>0;var src=[];src.push("// TrianglesDataTextureColorRenderer vertex shader");if(scene.logarithmicDepthBufferEnabled&&WEBGL_INFO.SUPPORTED_EXTENSIONS["EXT_frag_depth"]){src.push("#extension GL_EXT_frag_depth : enable");}src.push("uniform int renderPass;");src.push("attribute vec3 position;");if(scene.entityOffsetsEnabled){src.push("attribute vec3 offset;");}src.push("attribute vec4 color;");src.push("attribute vec4 flags;");src.push("attribute vec4 flags2;");src.push("uniform mat4 worldMatrix;");src.push("uniform mat4 viewMatrix;");src.push("uniform mat4 projMatrix;");src.push("uniform mat4 positionsDecodeMatrix;");if(scene.logarithmicDepthBufferEnabled){src.push("uniform float logDepthBufFC;");if(WEBGL_INFO.SUPPORTED_EXTENSIONS["EXT_frag_depth"]){src.push("out float vFragDepth;");}src.push("bool isPerspectiveMatrix(mat4 m) {");src.push("    return (m[2][3] == - 1.0);");src.push("}");src.push("out float isPerspective;");}if(clipping){src.push("out vec4 vWorldPosition;");src.push("out vec4 vFlags2;");}src.push("void main(void) {");// flags.x = NOT_RENDERED | COLOR_OPAQUE | COLOR_TRANSPARENT
+ */var TrianglesDataTextureOcclusionRenderer=/*#__PURE__*/function(){function TrianglesDataTextureOcclusionRenderer(scene){_classCallCheck(this,TrianglesDataTextureOcclusionRenderer);this._scene=scene;this._hash=this._getHash();this._allocate();}_createClass(TrianglesDataTextureOcclusionRenderer,[{key:"getValid",value:function getValid(){return this._hash===this._getHash();}},{key:"_getHash",value:function _getHash(){return this._scene._sectionPlanesState.getHash();}},{key:"drawLayer",value:function drawLayer(frameCtx,dataTextureLayer,renderPass){return;}},{key:"_allocate",value:function _allocate(){var scene=this._scene;var gl=scene.canvas.gl;this._program=new Program(gl,this._buildShader());if(this._program.errors){this.errors=this._program.errors;return;}var program=this._program;this._uRenderPass=program.getLocation("renderPass");this._uPositionsDecodeMatrix=program.getLocation("positionsDecodeMatrix");this._uWorldMatrix=program.getLocation("worldMatrix");this._uViewMatrix=program.getLocation("viewMatrix");this._uProjMatrix=program.getLocation("projMatrix");this._uSectionPlanes=[];for(var _i370=0,len=scene._sectionPlanesState.sectionPlanes.length;_i370<len;_i370++){this._uSectionPlanes.push({active:program.getLocation("sectionPlaneActive"+_i370),pos:program.getLocation("sectionPlanePos"+_i370),dir:program.getLocation("sectionPlaneDir"+_i370)});}this._aPosition=program.getAttribute("position");this._aOffset=program.getAttribute("offset");this._aColor=program.getAttribute("color");this._aFlags=program.getAttribute("flags");this._aFlags2=program.getAttribute("flags2");if(scene.logarithmicDepthBufferEnabled){this._uLogDepthBufFC=program.getLocation("logDepthBufFC");}}},{key:"_bindProgram",value:function _bindProgram(){var scene=this._scene;var gl=scene.canvas.gl;var project=scene.camera.project;this._program.bind();gl.uniformMatrix4fv(this._uProjMatrix,false,project.matrix);if(scene.logarithmicDepthBufferEnabled){var logDepthBufFC=2.0/(Math.log(project.far+1.0)/Math.LN2);gl.uniform1f(this._uLogDepthBufFC,logDepthBufFC);}}},{key:"_buildShader",value:function _buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()};}},{key:"_buildVertexShader",value:function _buildVertexShader(){var scene=this._scene;var clipping=scene._sectionPlanesState.sectionPlanes.length>0;var src=[];src.push("#version 300 es");src.push("// TrianglesDataTextureColorRenderer vertex shader");src.push("uniform int renderPass;");src.push("attribute vec3 position;");if(scene.entityOffsetsEnabled){src.push("attribute vec3 offset;");}src.push("attribute vec4 color;");src.push("attribute vec4 flags;");src.push("attribute vec4 flags2;");src.push("uniform mat4 worldMatrix;");src.push("uniform mat4 viewMatrix;");src.push("uniform mat4 projMatrix;");src.push("uniform mat4 positionsDecodeMatrix;");if(scene.logarithmicDepthBufferEnabled){src.push("uniform float logDepthBufFC;");if(WEBGL_INFO.SUPPORTED_EXTENSIONS["EXT_frag_depth"]){src.push("out float vFragDepth;");}src.push("bool isPerspectiveMatrix(mat4 m) {");src.push("    return (m[2][3] == - 1.0);");src.push("}");src.push("out float isPerspective;");}if(clipping){src.push("out vec4 vWorldPosition;");src.push("out vec4 vFlags2;");}src.push("void main(void) {");// flags.x = NOT_RENDERED | COLOR_OPAQUE | COLOR_TRANSPARENT
 // renderPass = COLOR_OPAQUE
 // Only opaque objects can be occluders
 src.push("if (int(flags.x) != renderPass) {");src.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);");// Cull vertex
-src.push("  } else {");src.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); ");if(scene.entityOffsetsEnabled){src.push("      worldPosition.xyz = worldPosition.xyz + offset;");}src.push("      vec4 viewPosition  = viewMatrix * worldPosition; ");if(clipping){src.push("      vWorldPosition = worldPosition;");src.push("      vFlags2 = flags2;");}src.push("vec4 clipPos = projMatrix * viewPosition;");if(scene.logarithmicDepthBufferEnabled){if(WEBGL_INFO.SUPPORTED_EXTENSIONS["EXT_frag_depth"]){src.push("vFragDepth = 1.0 + clipPos.w;");}else{src.push("clipPos.z = log2( max( 1e-6, clipPos.w + 1.0 ) ) * logDepthBufFC - 1.0;");src.push("clipPos.z *= clipPos.w;");}src.push("isPerspective = float (isPerspectiveMatrix(projMatrix));");}src.push("gl_Position = clipPos;");src.push("  }");src.push("}");return src;}},{key:"_buildFragmentShader",value:function _buildFragmentShader(){var scene=this._scene;var sectionPlanesState=scene._sectionPlanesState;var clipping=sectionPlanesState.sectionPlanes.length>0;var src=[];src.push("// TrianglesDataTextureColorRenderer fragment shader");if(scene.logarithmicDepthBufferEnabled&&WEBGL_INFO.SUPPORTED_EXTENSIONS["EXT_frag_depth"]){src.push("#extension GL_EXT_frag_depth : enable");}src.push("#ifdef GL_FRAGMENT_PRECISION_HIGH");src.push("precision highp float;");src.push("precision highp int;");src.push("#else");src.push("precision mediump float;");src.push("precision mediump int;");src.push("#endif");if(scene.logarithmicDepthBufferEnabled&&WEBGL_INFO.SUPPORTED_EXTENSIONS["EXT_frag_depth"]){src.push("in float isPerspective;");src.push("uniform float logDepthBufFC;");src.push("in float vFragDepth;");}if(clipping){src.push("in vec4 vWorldPosition;");src.push("in vec4 vFlags2;");for(var _i371=0;_i371<sectionPlanesState.sectionPlanes.length;_i371++){src.push("uniform bool sectionPlaneActive"+_i371+";");src.push("uniform vec3 sectionPlanePos"+_i371+";");src.push("uniform vec3 sectionPlaneDir"+_i371+";");}}src.push("void main(void) {");if(clipping){src.push("  bool clippable = (float(vFlags2.x) > 0.0);");src.push("  if (clippable) {");src.push("      float dist = 0.0;");for(var _i372=0;_i372<sectionPlanesState.sectionPlanes.length;_i372++){src.push("      if (sectionPlaneActive"+_i372+") {");src.push("          dist += clamp(dot(-sectionPlaneDir"+_i372+".xyz, vWorldPosition.xyz - sectionPlanePos"+_i372+".xyz), 0.0, 1000.0);");src.push("      }");}src.push("      if (dist > 0.0) { discard; }");src.push("  }");}if(scene.logarithmicDepthBufferEnabled&&WEBGL_INFO.SUPPORTED_EXTENSIONS["EXT_frag_depth"]){src.push("    gl_FragDepthEXT = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");}src.push("   gl_FragColor = vec4(0.0, 0.0, 1.0, 1.0); ");// Occluders are blue
+src.push("  } else {");src.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); ");if(scene.entityOffsetsEnabled){src.push("      worldPosition.xyz = worldPosition.xyz + offset;");}src.push("      vec4 viewPosition  = viewMatrix * worldPosition; ");if(clipping){src.push("      vWorldPosition = worldPosition;");src.push("      vFlags2 = flags2;");}src.push("vec4 clipPos = projMatrix * viewPosition;");if(scene.logarithmicDepthBufferEnabled){src.push("vFragDepth = 1.0 + clipPos.w;");src.push("isPerspective = float (isPerspectiveMatrix(projMatrix));");}src.push("gl_Position = clipPos;");src.push("  }");src.push("}");return src;}},{key:"_buildFragmentShader",value:function _buildFragmentShader(){var scene=this._scene;var sectionPlanesState=scene._sectionPlanesState;var clipping=sectionPlanesState.sectionPlanes.length>0;var src=[];src.push('#version 300 es');src.push("// TrianglesDataTextureColorRenderer fragment shader");src.push("#ifdef GL_FRAGMENT_PRECISION_HIGH");src.push("precision highp float;");src.push("precision highp int;");src.push("#else");src.push("precision mediump float;");src.push("precision mediump int;");src.push("#endif");if(scene.logarithmicDepthBufferEnabled){src.push("in float isPerspective;");src.push("uniform float logDepthBufFC;");src.push("in float vFragDepth;");}if(clipping){src.push("in vec4 vWorldPosition;");src.push("in vec4 vFlags2;");for(var _i371=0;_i371<sectionPlanesState.sectionPlanes.length;_i371++){src.push("uniform bool sectionPlaneActive"+_i371+";");src.push("uniform vec3 sectionPlanePos"+_i371+";");src.push("uniform vec3 sectionPlaneDir"+_i371+";");}}src.push("void main(void) {");if(clipping){src.push("  bool clippable = (float(vFlags2.x) > 0.0);");src.push("  if (clippable) {");src.push("      float dist = 0.0;");for(var _i372=0;_i372<sectionPlanesState.sectionPlanes.length;_i372++){src.push("      if (sectionPlaneActive"+_i372+") {");src.push("          dist += clamp(dot(-sectionPlaneDir"+_i372+".xyz, vWorldPosition.xyz - sectionPlanePos"+_i372+".xyz), 0.0, 1000.0);");src.push("      }");}src.push("      if (dist > 0.0) { discard; }");src.push("  }");}if(scene.logarithmicDepthBufferEnabled){src.push("    gl_FragDepthEXT = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");}src.push("   gl_FragColor = vec4(0.0, 0.0, 1.0, 1.0); ");// Occluders are blue
 src.push("}");return src;}},{key:"webglContextRestored",value:function webglContextRestored(){this._program=null;}},{key:"destroy",value:function destroy(){if(this._program){this._program.destroy();}this._program=null;}}]);return TrianglesDataTextureOcclusionRenderer;}();var tempVec3a$a=math.vec3();var tempVec3b$6=math.vec3();var tempVec3c$5=math.vec3();var tempVec3d$2=math.vec3();var tempMat4a$1=math.mat4();/**
  * @private
  */var TrianglesDataTextureDepthRenderer=/*#__PURE__*/function(){function TrianglesDataTextureDepthRenderer(scene){_classCallCheck(this,TrianglesDataTextureDepthRenderer);this._scene=scene;this._allocate();this._hash=this._getHash();}_createClass(TrianglesDataTextureDepthRenderer,[{key:"getValid",value:function getValid(){return this._hash===this._getHash();}},{key:"_getHash",value:function _getHash(){return this._scene._sectionPlanesState.getHash();}},{key:"drawLayer",value:function drawLayer(frameCtx,dataTextureLayer,renderPass){var scene=this._scene;var camera=scene.camera;var model=dataTextureLayer.model;var gl=scene.canvas.gl;var state=dataTextureLayer._state;var textureState=state.textureState;var origin=dataTextureLayer._state.origin;var position=model.position,rotationMatrix=model.rotationMatrix,rotationMatrixConjugate=model.rotationMatrixConjugate;if(!this._program){this._allocate();if(this.errors){return;}}if(frameCtx.lastProgramId!==this._program.id){frameCtx.lastProgramId=this._program.id;this._bindProgram(frameCtx,state);}textureState.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);var rtcViewMatrix;var rtcCameraEye;var gotOrigin=origin[0]!==0||origin[1]!==0||origin[2]!==0;var gotPosition=position[0]!==0||position[1]!==0||position[2]!==0;if(gotOrigin||gotPosition){var rtcOrigin=tempVec3a$a;if(gotOrigin){var rotatedOrigin=math.transformPoint3(rotationMatrix,origin,tempVec3b$6);rtcOrigin[0]=rotatedOrigin[0];rtcOrigin[1]=rotatedOrigin[1];rtcOrigin[2]=rotatedOrigin[2];}else{rtcOrigin[0]=0;rtcOrigin[1]=0;rtcOrigin[2]=0;}rtcOrigin[0]+=position[0];rtcOrigin[1]+=position[1];rtcOrigin[2]+=position[2];rtcViewMatrix=createRTCViewMat(camera.viewMatrix,rtcOrigin,tempMat4a$1);rtcCameraEye=tempVec3c$5;rtcCameraEye[0]=camera.eye[0]-rtcOrigin[0];rtcCameraEye[1]=camera.eye[1]-rtcOrigin[1];rtcCameraEye[2]=camera.eye[2]-rtcOrigin[2];}else{rtcViewMatrix=camera.viewMatrix;rtcCameraEye=camera.eye;}gl.uniformMatrix4fv(this._uSceneModelWorldMatrix,false,rotationMatrixConjugate);gl.uniformMatrix4fv(this._uViewMatrix,false,rtcViewMatrix);gl.uniformMatrix4fv(this._uProjMatrix,false,camera.projMatrix);gl.uniform3fv(this._uCameraEyeRtc,rtcCameraEye);gl.uniform1i(this._uRenderPass,renderPass);if(scene.logarithmicDepthBufferEnabled){var logDepthBufFC=2.0/(Math.log(frameCtx.pickZFar+1.0)/Math.LN2);gl.uniform1f(this._uLogDepthBufFC,logDepthBufFC);}var numSectionPlanes=scene._sectionPlanesState.sectionPlanes.length;if(numSectionPlanes>0){var sectionPlanes=scene._sectionPlanesState.sectionPlanes;var baseIndex=dataTextureLayer.layerIndex*numSectionPlanes;var renderFlags=model.renderFlags;for(var sectionPlaneIndex=0;sectionPlaneIndex<numSectionPlanes;sectionPlaneIndex++){var sectionPlaneUniforms=this._uSectionPlanes[sectionPlaneIndex];if(sectionPlaneUniforms){var active=renderFlags.sectionPlanesActivePerLayer[baseIndex+sectionPlaneIndex];gl.uniform1i(sectionPlaneUniforms.active,active?1:0);if(active){var sectionPlane=sectionPlanes[sectionPlaneIndex];if(origin){var rtcSectionPlanePos=getPlaneRTCPos(sectionPlane.dist,sectionPlane.dir,origin,tempVec3d$2);gl.uniform3fv(sectionPlaneUniforms.pos,rtcSectionPlanePos);}else{gl.uniform3fv(sectionPlaneUniforms.pos,sectionPlane.pos);}gl.uniform3fv(sectionPlaneUniforms.dir,sectionPlane.dir);}}}}if(state.numIndices8Bits>0){textureState.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8// 8 bits indices
@@ -17452,7 +17452,7 @@ src.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndex
 this._aFlags.bindArrayBuffer(state.flagsBuf);if(this._aFlags2){this._aFlags2.bindArrayBuffer(state.flags2Buf);}state.indicesBuf.bind();gl.drawElements(gl.TRIANGLES,state.indicesBuf.numItems,state.indicesBuf.itemType,0);}},{key:"_allocate",value:function _allocate(){var scene=this._scene;var gl=scene.canvas.gl;this._program=new Program(gl,this._buildShader());if(this._program.errors){this.errors=this._program.errors;return;}var program=this._program;this._uRenderPass=program.getLocation("renderPass");this._uPositionsDecodeMatrix=program.getLocation("positionsDecodeMatrix");this._uWorldMatrix=program.getLocation("worldMatrix");this._uWorldNormalMatrix=program.getLocation("worldNormalMatrix");this._uViewMatrix=program.getLocation("viewMatrix");this._uViewNormalMatrix=program.getLocation("viewNormalMatrix");this._uProjMatrix=program.getLocation("projMatrix");this._uSectionPlanes=[];for(var _i376=0,len=scene._sectionPlanesState.sectionPlanes.length;_i376<len;_i376++){this._uSectionPlanes.push({active:program.getLocation("sectionPlaneActive"+_i376),pos:program.getLocation("sectionPlanePos"+_i376),dir:program.getLocation("sectionPlaneDir"+_i376)});}this._aPosition=program.getAttribute("position");this._aOffset=program.getAttribute("offset");this._aNormal=program.getAttribute("normal");this._aColor=program.getAttribute("color");this._aFlags=program.getAttribute("flags");if(this._aFlags2){// Won't be in shader when not clipping
 this._aFlags2=program.getAttribute("flags2");}if(scene.logarithmicDepthBufferEnabled){this._uLogDepthBufFC=program.getLocation("logDepthBufFC");}}},{key:"_bindProgram",value:function _bindProgram(){var scene=this._scene;var gl=scene.canvas.gl;var project=scene.camera.project;this._program.bind();gl.uniformMatrix4fv(this._uProjMatrix,false,project.matrix);if(scene.logarithmicDepthBufferEnabled){var logDepthBufFC=2.0/(Math.log(project.far+1.0)/Math.LN2);gl.uniform1f(this._uLogDepthBufFC,logDepthBufFC);}}},{key:"_buildShader",value:function _buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()};}},{key:"_buildVertexShader",value:function _buildVertexShader(){var scene=this._scene;var clipping=scene._sectionPlanesState.sectionPlanes.length>0;var src=[];src.push("// Batched geometry normals vertex shader");if(scene.logarithmicDepthBufferEnabled&&WEBGL_INFO.SUPPORTED_EXTENSIONS["EXT_frag_depth"]){src.push("#extension GL_EXT_frag_depth : enable");}src.push("uniform int renderPass;");src.push("attribute vec3 position;");if(scene.entityOffsetsEnabled){src.push("attribute vec3 offset;");}src.push("attribute vec3 normal;");src.push("attribute vec4 color;");src.push("attribute vec4 flags;");src.push("attribute vec4 flags2;");src.push("uniform mat4 worldMatrix;");src.push("uniform mat4 worldNormalMatrix;");src.push("uniform mat4 viewMatrix;");src.push("uniform mat4 projMatrix;");src.push("uniform mat4 viewNormalMatrix;");src.push("uniform mat4 positionsDecodeMatrix;");if(scene.logarithmicDepthBufferEnabled){src.push("uniform float logDepthBufFC;");if(WEBGL_INFO.SUPPORTED_EXTENSIONS["EXT_frag_depth"]){src.push("out float vFragDepth;");}src.push("bool isPerspectiveMatrix(mat4 m) {");src.push("    return (m[2][3] == - 1.0);");src.push("}");src.push("varying float isPerspective;");}src.push("vec3 octDecode(vec2 oct) {");src.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));");src.push("    if (v.z < 0.0) {");src.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);");src.push("    }");src.push("    return normalize(v);");src.push("}");if(clipping){src.push("out vec4 vWorldPosition;");src.push("out vec4 vFlags2;");}src.push("out vec3 vViewNormal;");src.push("void main(void) {");// flags.x = NOT_RENDERED | COLOR_OPAQUE | COLOR_TRANSPARENT
 // renderPass = COLOR_OPAQUE
-src.push("if (int(flags.x) != renderPass) {");src.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);");src.push("  } else {");src.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); ");if(scene.entityOffsetsEnabled){src.push("      worldPosition.xyz = worldPosition.xyz + offset;");}src.push("      vec4 viewPosition   = viewMatrix * worldPosition; ");src.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); ");src.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);");if(clipping){src.push("      vWorldPosition  = worldPosition;");src.push("      vFlags2         = flags2;");}src.push("      vViewNormal = viewNormal;");src.push("vec4 clipPos = projMatrix * viewPosition;");if(scene.logarithmicDepthBufferEnabled){if(WEBGL_INFO.SUPPORTED_EXTENSIONS["EXT_frag_depth"]){src.push("vFragDepth = 1.0 + clipPos.w;");}else{src.push("clipPos.z = log2( max( 1e-6, clipPos.w + 1.0 ) ) * logDepthBufFC - 1.0;");src.push("clipPos.z *= clipPos.w;");}src.push("isPerspective = float (isPerspectiveMatrix(projMatrix));");}src.push("gl_Position = clipPos;");src.push("  }");src.push("}");return src;}},{key:"_buildFragmentShader",value:function _buildFragmentShader(){var scene=this._scene;var sectionPlanesState=scene._sectionPlanesState;var clipping=sectionPlanesState.sectionPlanes.length>0;var src=[];src.push("// Batched geometry normals fragment shader");if(scene.logarithmicDepthBufferEnabled&&WEBGL_INFO.SUPPORTED_EXTENSIONS["EXT_frag_depth"]){src.push("#extension GL_EXT_frag_depth : enable");}src.push("#ifdef GL_FRAGMENT_PRECISION_HIGH");src.push("precision highp float;");src.push("precision highp int;");src.push("#else");src.push("precision mediump float;");src.push("precision mediump int;");src.push("#endif");if(scene.logarithmicDepthBufferEnabled&&WEBGL_INFO.SUPPORTED_EXTENSIONS["EXT_frag_depth"]){src.push("in float isPerspective;");src.push("uniform float logDepthBufFC;");src.push("in float vFragDepth;");}if(clipping){src.push("in vec4 vWorldPosition;");src.push("in vec4 vFlags2;");for(var _i377=0;_i377<sectionPlanesState.sectionPlanes.length;_i377++){src.push("uniform bool sectionPlaneActive"+_i377+";");src.push("uniform vec3 sectionPlanePos"+_i377+";");src.push("uniform vec3 sectionPlaneDir"+_i377+";");}}src.push("in vec3 vViewNormal;");src.push("vec3 packNormalToRGB( const in vec3 normal ) {");src.push("    return normalize( normal ) * 0.5 + 0.5;");src.push("}");src.push("void main(void) {");if(clipping){src.push("  bool clippable = (float(vFlags2.x) > 0.0);");src.push("  if (clippable) {");src.push("      float dist = 0.0;");for(var i=0;i<sectionPlanesState.sectionPlanes.length;i++){src.push("      if (sectionPlaneActive"+i+") {");src.push("          dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);");src.push("      }");}src.push("      if (dist > 0.0) { discard; }");src.push("  }");}if(scene.logarithmicDepthBufferEnabled&&WEBGL_INFO.SUPPORTED_EXTENSIONS["EXT_frag_depth"]){src.push("    gl_FragDepthEXT = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");}src.push("    gl_FragColor = vec4(packNormalToRGB(vViewNormal), 1.0); ");src.push("}");return src;}},{key:"webglContextRestored",value:function webglContextRestored(){this._program=null;}},{key:"destroy",value:function destroy(){if(this._program){this._program.destroy();}this._program=null;}}]);return TrianglesDataTextureNormalsRenderer;}();var tempVec3a$8=math.vec3();/**
+src.push("if (int(flags.x) != renderPass) {");src.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);");src.push("  } else {");src.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); ");if(scene.entityOffsetsEnabled){src.push("      worldPosition.xyz = worldPosition.xyz + offset;");}src.push("      vec4 viewPosition   = viewMatrix * worldPosition; ");src.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); ");src.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);");if(clipping){src.push("      vWorldPosition  = worldPosition;");src.push("      vFlags2         = flags2;");}src.push("      vViewNormal = viewNormal;");src.push("vec4 clipPos = projMatrix * viewPosition;");if(scene.logarithmicDepthBufferEnabled){if(WEBGL_INFO.SUPPORTED_EXTENSIONS["EXT_frag_depth"]){src.push("vFragDepth = 1.0 + clipPos.w;");}else{src.push("clipPos.z = log2( max( 1e-6, clipPos.w + 1.0 ) ) * logDepthBufFC - 1.0;");src.push("clipPos.z *= clipPos.w;");}src.push("isPerspective = float (isPerspectiveMatrix(projMatrix));");}src.push("gl_Position = clipPos;");src.push("  }");src.push("}");return src;}},{key:"_buildFragmentShader",value:function _buildFragmentShader(){var scene=this._scene;var sectionPlanesState=scene._sectionPlanesState;var clipping=sectionPlanesState.sectionPlanes.length>0;var src=[];src.push("#version 300 es");src.push("// Batched geometry normals fragment shader");if(scene.logarithmicDepthBufferEnabled&&WEBGL_INFO.SUPPORTED_EXTENSIONS["EXT_frag_depth"]){src.push("#extension GL_EXT_frag_depth : enable");}src.push("#ifdef GL_FRAGMENT_PRECISION_HIGH");src.push("precision highp float;");src.push("precision highp int;");src.push("#else");src.push("precision mediump float;");src.push("precision mediump int;");src.push("#endif");if(scene.logarithmicDepthBufferEnabled&&WEBGL_INFO.SUPPORTED_EXTENSIONS["EXT_frag_depth"]){src.push("in float isPerspective;");src.push("uniform float logDepthBufFC;");src.push("in float vFragDepth;");}if(clipping){src.push("in vec4 vWorldPosition;");src.push("in vec4 vFlags2;");for(var _i377=0;_i377<sectionPlanesState.sectionPlanes.length;_i377++){src.push("uniform bool sectionPlaneActive"+_i377+";");src.push("uniform vec3 sectionPlanePos"+_i377+";");src.push("uniform vec3 sectionPlaneDir"+_i377+";");}}src.push("in vec3 vViewNormal;");src.push("vec3 packNormalToRGB( const in vec3 normal ) {");src.push("    return normalize( normal ) * 0.5 + 0.5;");src.push("}");src.push("void main(void) {");if(clipping){src.push("  bool clippable = (float(vFlags2.x) > 0.0);");src.push("  if (clippable) {");src.push("      float dist = 0.0;");for(var i=0;i<sectionPlanesState.sectionPlanes.length;i++){src.push("      if (sectionPlaneActive"+i+") {");src.push("          dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);");src.push("      }");}src.push("      if (dist > 0.0) { discard; }");src.push("  }");}if(scene.logarithmicDepthBufferEnabled&&WEBGL_INFO.SUPPORTED_EXTENSIONS["EXT_frag_depth"]){src.push("    gl_FragDepthEXT = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");}src.push("    gl_FragColor = vec4(packNormalToRGB(vViewNormal), 1.0); ");src.push("}");return src;}},{key:"webglContextRestored",value:function webglContextRestored(){this._program=null;}},{key:"destroy",value:function destroy(){if(this._program){this._program.destroy();}this._program=null;}}]);return TrianglesDataTextureNormalsRenderer;}();var tempVec3a$8=math.vec3();/**
  * @private
  */var TrianglesDataTexturePickNormalsFlatRenderer=/*#__PURE__*/function(){function TrianglesDataTexturePickNormalsFlatRenderer(scene){_classCallCheck(this,TrianglesDataTexturePickNormalsFlatRenderer);this._scene=scene;this._hash=this._getHash();this._allocate();}_createClass(TrianglesDataTexturePickNormalsFlatRenderer,[{key:"getValid",value:function getValid(){return this._hash===this._getHash();}},{key:"_getHash",value:function _getHash(){return this._scene._sectionPlanesState.getHash();}},{key:"drawLayer",value:function drawLayer(frameCtx,dataTextureLayer,renderPass){var model=dataTextureLayer.model;var scene=model.scene;var camera=scene.camera;var gl=scene.canvas.gl;var state=dataTextureLayer._state;var origin=dataTextureLayer._state.origin;if(!this._program){this._allocate(dataTextureLayer);}if(frameCtx.lastProgramId!==this._program.id){frameCtx.lastProgramId=this._program.id;this._bindProgram();}this._program.bindTexture(this._uTexturePerObjectIdPositionsDecodeMatrix,{bind:function bind(unit){gl.activeTexture(gl["TEXTURE"+unit]);gl.bindTexture(gl.TEXTURE_2D,state.texturePerObjectIdPositionsDecodeMatrix);return true;},unbind:function unbind(unit){gl.activeTexture(gl["TEXTURE"+unit]);gl.bindTexture(gl.TEXTURE_2D,null);}},1);this._program.bindTexture(this._uTexturePerVertexIdCoordinates,{bind:function bind(unit){gl.activeTexture(gl["TEXTURE"+unit]);gl.bindTexture(gl.TEXTURE_2D,state.texturePerVertexIdCoordinates);return true;},unbind:function unbind(unit){gl.activeTexture(gl["TEXTURE"+unit]);gl.bindTexture(gl.TEXTURE_2D,null);}},2);this._program.bindTexture(this._uTexturePerObjectIdColorsAndFlags,{bind:function bind(unit){gl.activeTexture(gl["TEXTURE"+unit]);gl.bindTexture(gl.TEXTURE_2D,state.texturePerObjectIdColorsAndFlags);return true;},unbind:function unbind(unit){gl.activeTexture(gl["TEXTURE"+unit]);gl.bindTexture(gl.TEXTURE_2D,null);}},3);gl.uniform1i(this._uRenderPass,renderPass);gl.uniform1i(this._uPickInvisible,frameCtx.pickInvisible);gl.uniformMatrix4fv(this._uWorldMatrix,false,model.worldMatrix);var pickViewMatrix=frameCtx.pickViewMatrix||camera.viewMatrix;var viewMatrix=origin?createRTCViewMat(pickViewMatrix,origin):pickViewMatrix;gl.uniformMatrix4fv(this._uViewMatrix,false,viewMatrix);gl.uniformMatrix4fv(this._uProjMatrix,false,frameCtx.pickProjMatrix);if(scene.logarithmicDepthBufferEnabled){var logDepthBufFC=2.0/(Math.log(camera.project.far+1.0)/Math.LN2);// TODO: Far should be from projection matrix?
 gl.uniform1f(this._uLogDepthBufFC,logDepthBufFC);}var numSectionPlanes=scene._sectionPlanesState.sectionPlanes.length;if(numSectionPlanes>0){var sectionPlanes=scene._sectionPlanesState.sectionPlanes;var baseIndex=dataTextureLayer.layerIndex*numSectionPlanes;var renderFlags=model.renderFlags;for(var sectionPlaneIndex=0;sectionPlaneIndex<numSectionPlanes;sectionPlaneIndex++){var sectionPlaneUniforms=this._uSectionPlanes[sectionPlaneIndex];var active=renderFlags.sectionPlanesActivePerLayer[baseIndex+sectionPlaneIndex];gl.uniform1i(sectionPlaneUniforms.active,active?1:0);if(active){var sectionPlane=sectionPlanes[sectionPlaneIndex];if(origin){var rtcSectionPlanePos=getPlaneRTCPos(sectionPlane.dist,sectionPlane.dir,origin,tempVec3a$8);gl.uniform3fv(sectionPlaneUniforms.pos,rtcSectionPlanePos);}else{gl.uniform3fv(sectionPlaneUniforms.pos,sectionPlane.pos);}gl.uniform3fv(sectionPlaneUniforms.dir,sectionPlane.dir);}}}//=============================================================
diff --git a/dist/xeokit-sdk.min.cjs.js b/dist/xeokit-sdk.min.cjs.js
index a462387fe..452843c63 100644
--- a/dist/xeokit-sdk.min.cjs.js
+++ b/dist/xeokit-sdk.min.cjs.js
@@ -23,7 +23,7 @@ function ts(e,t){t.length;const s=e.length,n=[],i=[],a=e=>{for(let s=0,n=e.meshI
 /**
  * @author https://github.com/tmarti, with support from https://tribia.com/
  * @license MIT
- **/let $l=null;function eo(e,t){const s=3*e,n=3*t;let i,a,r,l,o,c;const u=Math.min(i=$l[s],a=$l[s+1],r=$l[s+2]),h=Math.min(l=$l[n],o=$l[n+1],c=$l[n+2]);if(u!==h)return u-h;const p=Math.max(i,a,r),A=Math.max(l,o,c);return p!==A?p-A:0}let to=null;function so(e,t){let s=to[2*e]-to[2*t];return 0!==s?s:to[2*e+1]-to[2*t+1]}function no(e,t,s=!1){const n=e.positionsCompressed||[],i=function(e,t){const s=new Int32Array(e.length/3);for(let e=0,t=s.length;e<t;e++)s[e]=e;$l=new Int32Array(e.length);for(let s=0,n=e.length;s<n;s++)$l[s]=e[s]>>t;s.sort(eo);const n=new Int32Array(e.length);for(let t=0,i=s.length;t<i;t++)n[3*t+0]=e[3*s[t]+0],n[3*t+1]=e[3*s[t]+1],n[3*t+2]=e[3*s[t]+2];return n}(e.indices||[],t),a=function(e){if(0===(e||[]).length)return[];let t=new Int32Array(e.length/2);for(let e=0,s=t.length;e<s;e++)t[e]=e;for(let t=0,s=e.length;t<s;t+=2)if(e[t]>e[t+1]){let s=e[t];e[t]=e[t+1],e[t+1]=s}to=new Int32Array(e),t.sort(so);const s=new Int32Array(e.length);for(let n=0,i=t.length;n<i;n++)s[2*n+0]=e[2*t[n]+0],s[2*n+1]=e[2*t[n]+1];return s}(e.edgeIndices||[]);function r(e,t){if(e>t){let s=e;e=t,t=s}function s(s,n){return s!==e?e-s:n!==t?t-n:0}let n=0,i=(a.length>>1)-1;for(;n<=i;){const e=i+n>>1,t=s(a[2*e],a[2*e+1]);if(t>0)n=e+1;else{if(!(t<0))return e;i=e-1}}return-n-1}const l=new Int32Array(a.length/2);l.fill(0);const o=n.length/3;if(o>8*(1<<t))return[e];const c=new Int32Array(o);c.fill(-1);const u=[];function h(){c.fill(-1);const e={positionsCompressed:[],indices:[],edgeIndices:[],maxNumPositions:(1<<t)-t,numPositions:0,bucketNumber:u.length};return u.push(e),e}let p=h();for(let t=0,s=i.length;t<s;t+=3){let s=0;const o=i[t],u=i[t+1],A=i[t+2];if(-1===c[o]&&s++,-1===c[u]&&s++,-1===c[A]&&s++,s+p.numPositions>p.maxNumPositions&&(p=h()),p.bucketNumber>8)return[e];let d;-1===c[o]&&(c[o]=p.numPositions++,p.positionsCompressed.push(n[3*o]),p.positionsCompressed.push(n[3*o+1]),p.positionsCompressed.push(n[3*o+2])),-1===c[u]&&(c[u]=p.numPositions++,p.positionsCompressed.push(n[3*u]),p.positionsCompressed.push(n[3*u+1]),p.positionsCompressed.push(n[3*u+2])),-1===c[A]&&(c[A]=p.numPositions++,p.positionsCompressed.push(n[3*A]),p.positionsCompressed.push(n[3*A+1]),p.positionsCompressed.push(n[3*A+2])),p.indices.push(c[o]),p.indices.push(c[u]),p.indices.push(c[A]),(d=r(o,u))>=0&&0===l[d]&&(l[d]=1,p.edgeIndices.push(c[a[2*d]]),p.edgeIndices.push(c[a[2*d+1]])),(d=r(o,A))>=0&&0===l[d]&&(l[d]=1,p.edgeIndices.push(c[a[2*d]]),p.edgeIndices.push(c[a[2*d+1]])),(d=r(u,A))>=0&&0===l[d]&&(l[d]=1,p.edgeIndices.push(c[a[2*d]]),p.edgeIndices.push(c[a[2*d+1]]))}const A=t/8*2,d=t/8,f=2*n.length+(i.length+a.length)*A;let I=0,y=-n.length/3;return u.forEach((e=>{I+=2*e.positionsCompressed.length+(e.indices.length+e.edgeIndices.length)*d,y+=e.positionsCompressed.length/3})),I>f?[e]:(s&&function(e,t){const s={},n={};let i=0;e.forEach((e=>{const t=e.indices,a=e.edgeIndices,r=e.positionsCompressed;for(let e=0,n=t.length;e<n;e+=3){const n=r[3*t[e]]+"_"+r[3*t[e]+1]+"_"+r[3*t[e]+2]+"/"+r[3*t[e+1]]+"_"+r[3*t[e+1]+1]+"_"+r[3*t[e+1]+2]+"/"+r[3*t[e+2]]+"_"+r[3*t[e+2]+1]+"_"+r[3*t[e+2]+2];s[n]=!0}i+=e.edgeIndices.length/2;for(let e=0,t=a.length;e<t;e+=2){const t=r[3*a[e]]+"_"+r[3*a[e]+1]+"_"+r[3*a[e]+2]+"/"+r[3*a[e+1]]+"_"+r[3*a[e+1]+1]+"_"+r[3*a[e+1]+2]+"/";n[t]=!0}}));{const e=t.indices;t.edgeIndices;const n=t.positionsCompressed;for(let t=0,i=e.length;t<i;t+=3){const i=n[3*e[t]]+"_"+n[3*e[t]+1]+"_"+n[3*e[t]+2]+"/"+n[3*e[t+1]]+"_"+n[3*e[t+1]+1]+"_"+n[3*e[t+1]+2]+"/"+n[3*e[t+2]]+"_"+n[3*e[t+2]+1]+"_"+n[3*e[t+2]+2];if(!(i in s))throw console.log("Not found "+i),"Ohhhh!"}}}(u,e),u)}const io=h.vec3(),ao=h.vec3(),ro=h.vec3(),lo=h.vec3(),oo=h.vec4(),co=h.mat4();class uo{constructor(e,t){this._scene=e,this._withSAO=t,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,s){const n=this._scene,i=n.camera,a=t.model,r=n.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin,{position:u,rotationMatrix:p,rotationMatrixConjugate:A}=a;if(!this._program&&(this._allocate(),this.errors))return;let d,f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,l)),o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);const I=0!==c[0]||0!==c[1]||0!==c[2],y=0!==u[0]||0!==u[1]||0!==u[2];if(I||y){const e=io;if(I){const t=h.transformPoint3(p,c,ao);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=u[0],e[1]+=u[1],e[2]+=u[2],d=B(i.viewMatrix,e,co),f=ro,f[0]=i.eye[0]-e[0],f[1]=i.eye[1]-e[1],f[2]=i.eye[2]-e[2]}else d=i.viewMatrix,f=i.eye;if(r.uniformMatrix4fv(this._uSceneModelWorldMatrix,!1,A),r.uniformMatrix4fv(this._uViewMatrix,!1,d),r.uniformMatrix4fv(this._uProjMatrix,!1,i.projMatrix),r.uniform3fv(this._uCameraEyeRtc,f),r.uniform1i(this._uRenderPass,s),n.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,t)}const m=n._sectionPlanesState.sectionPlanes.length;if(m>0){const e=n._sectionPlanesState.sectionPlanes,s=t.layerIndex*m,i=a.renderFlags;for(let t=0;t<m;t++){const n=this._uSectionPlanes[t];if(n){const a=i.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,a?1:0),a){const s=e[t];if(c){const e=N(s.dist,s.dir,c,lo);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}l.numIndices8Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),r.drawArrays(r.TRIANGLES,0,l.numIndices8Bits)),l.numIndices16Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),r.drawArrays(r.TRIANGLES,0,l.numIndices16Bits)),l.numIndices32Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),r.drawArrays(r.TRIANGLES,0,l.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl,s=e._lightsState;if(this._program=new ge(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const n=this._program;this._uRenderPass=n.getLocation("renderPass"),this._uLightAmbient=n.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];const i=s.lights;let a;for(let e=0,t=i.length;e<t;e++)switch(a=i[e],a.type){case"dir":this._uLightColor[e]=n.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=n.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=n.getLocation("lightColor"+e),this._uLightPos[e]=n.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=n.getLocation("lightAttenuation"+e);break;case"spot":this._uLightColor[e]=n.getLocation("lightColor"+e),this._uLightPos[e]=n.getLocation("lightPos"+e),this._uLightDir[e]=n.getLocation("lightDir"+e),this._uLightAttenuation[e]=n.getLocation("lightAttenuation"+e)}this._uSceneModelWorldMatrix=n.getLocation("sceneModelWorldMatrix"),this._uViewMatrix=n.getLocation("viewMatrix"),this._uProjMatrix=n.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.sectionPlanes.length;t<s;t++)this._uSectionPlanes.push({active:n.getLocation("sectionPlaneActive"+t),pos:n.getLocation("sectionPlanePos"+t),dir:n.getLocation("sectionPlaneDir"+t)});this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=n.getLocation("uSAOParams")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=n.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=n.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,s=t.canvas.gl,n=this._program,i=t._lightsState.lights,a=t.camera.project;n.bind(),this._uLightAmbient&&s.uniform4fv(this._uLightAmbient,t._lightsState.getAmbientColorAndIntensity());for(let e=0,t=i.length;e<t;e++){const t=i[e];this._uLightColor[e]&&s.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(s.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&s.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&s.uniform3fv(this._uLightDir[e],t.dir)}if(this._withSAO){const n=t.sao;if(n.possible){const t=s.drawingBufferWidth,i=s.drawingBufferHeight;oo[0]=t,oo[1]=i,oo[2]=n.blendCutoff,oo[3]=n.blendFactor,s.uniform4fv(this._uSAOParams,oo),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,10)}}if(t.logarithmicDepthBufferEnabled){const e=2/(Math.log(a.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,s=e._lightsState,n=t.sectionPlanes.length>0;let i;const a=[];a.push("#version 300 es"),a.push("// TrianglesDataTextureColorRenderer vertex shader"),a.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),a.push("precision highp float;"),a.push("precision highp int;"),a.push("precision highp usampler2D;"),a.push("precision highp isampler2D;"),a.push("precision highp sampler2D;"),a.push("#else"),a.push("precision mediump float;"),a.push("precision mediump int;"),a.push("precision mediump usampler2D;"),a.push("precision mediump isampler2D;"),a.push("precision mediump sampler2D;"),a.push("#endif"),a.push("uniform int renderPass;"),e.entityOffsetsEnabled&&a.push("in vec3 offset;"),a.push("uniform mat4 sceneModelWorldMatrix;"),a.push("uniform mat4 viewMatrix;"),a.push("uniform mat4 projMatrix;"),a.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),a.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),a.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),a.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),a.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),a.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),a.push("uniform highp sampler2D uTextureModelMatrices;"),a.push("uniform vec3 uCameraEyeRtc;"),a.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(a.push("uniform float logDepthBufFC;"),a.push("out float vFragDepth;"),a.push("out float isPerspective;")),a.push("bool isPerspectiveMatrix(mat4 m) {"),a.push("    return (m[2][3] == - 1.0);"),a.push("}"),a.push("uniform vec4 lightAmbient;");for(let e=0,t=s.lights.length;e<t;e++)i=s.lights[e],"ambient"!==i.type&&(a.push("uniform vec4 lightColor"+e+";"),"dir"===i.type&&a.push("uniform vec3 lightDir"+e+";"),"point"===i.type&&a.push("uniform vec3 lightPos"+e+";"),"spot"===i.type&&(a.push("uniform vec3 lightPos"+e+";"),a.push("uniform vec3 lightDir"+e+";")));n&&(a.push("out vec4 vWorldPosition;"),a.push("flat out uint vFlags2;")),a.push("out vec4 vColor;"),a.push("void main(void) {"),a.push("int polygonIndex = gl_VertexID / 3;"),a.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),a.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),a.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),a.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),a.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),a.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),a.push("if (int(flags.x) != renderPass) {"),a.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),a.push("   return;"),a.push("} else {"),a.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),a.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),a.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),a.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),a.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),a.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),a.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),a.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),a.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),a.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),a.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),a.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),a.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),a.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),a.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),a.push("uvec4 color = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),a.push("if (color.a == 0u) {"),a.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),a.push("   return;"),a.push("};"),a.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),a.push("vec3 position;"),a.push("position = positions[gl_VertexID % 3];"),a.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),a.push("if (solid != 1u) {"),a.push("if (isPerspectiveMatrix(projMatrix)) {"),a.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),a.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),a.push("position = positions[2 - (gl_VertexID % 3)];"),a.push("viewNormal = -viewNormal;"),a.push("}"),a.push("} else {"),a.push("if (viewNormal.z < 0.0) {"),a.push("position = positions[2 - (gl_VertexID % 3)];"),a.push("viewNormal = -viewNormal;"),a.push("}"),a.push("}"),a.push("}"),a.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),a.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),a.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),a.push("vec4 viewPosition = viewMatrix * worldPosition; "),a.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),a.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),a.push("float lambertian = 1.0;");for(let e=0,t=s.lights.length;e<t;e++)if(i=s.lights[e],"ambient"!==i.type){if("dir"===i.type)"view"===i.space?a.push("viewLightDir = normalize(lightDir"+e+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===i.type)"view"===i.space?a.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):a.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==i.type)continue;"view"===i.space?a.push("viewLightDir = normalize(lightDir"+e+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}a.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),a.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}return a.push("vec3 rgb = vec3(color.rgb) / 255.0;"),a.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),a.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(a.push("vFragDepth = 1.0 + clipPos.w;"),a.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),n&&(a.push("vWorldPosition = worldPosition;"),a.push("vFlags2 = flags2.r;")),a.push("gl_Position = clipPos;"),a.push("}"),a.push("}"),a}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// TrianglesDataTextureColorRenderer fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uint vFlags2;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0u;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { "),n.push("      discard;"),n.push("  }"),n.push("}")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor            = vec4(vColor.rgb * ambient, 1.0);")):n.push("   outColor            = vColor;"),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const ho=new Float32Array([1,1,1]),po=h.vec3(),Ao=h.vec3(),fo=h.vec3(),Io=h.vec3(),yo=h.mat4();class mo{constructor(e,t){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){const n=this._scene,i=n.camera,a=t.model,r=n.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin,{position:u,rotationMatrix:p,rotationMatrixConjugate:A}=a,d=i.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let f,I;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,l)),o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets),c||0!==u[0]||0!==u[1]||0!==u[2]){const e=po;if(c){const t=Ao;h.transformPoint3(p,c,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=u[0],e[1]+=u[1],e[2]+=u[2],f=B(d,e,yo),I=fo,I[0]=i.eye[0]-e[0],I[1]=i.eye[1]-e[1],I[2]=i.eye[2]-e[2]}else f=d,I=i.eye;if(r.uniform3fv(this._uCameraEyeRtc,I),r.uniform1i(this._uRenderPass,s),r.uniformMatrix4fv(this._uWorldMatrix,!1,A),r.uniformMatrix4fv(this._uViewMatrix,!1,f),r.uniformMatrix4fv(this._uProjMatrix,!1,i.projMatrix),s===Ri.SILHOUETTE_XRAYED){const e=n.xrayMaterial._state,t=e.fillColor,s=e.fillAlpha;r.uniform4f(this._uColor,t[0],t[1],t[2],s)}else if(s===Ri.SILHOUETTE_HIGHLIGHTED){const e=n.highlightMaterial._state,t=e.fillColor,s=e.fillAlpha;r.uniform4f(this._uColor,t[0],t[1],t[2],s)}else if(s===Ri.SILHOUETTE_SELECTED){const e=n.selectedMaterial._state,t=e.fillColor,s=e.fillAlpha;r.uniform4f(this._uColor,t[0],t[1],t[2],s)}else r.uniform4fv(this._uColor,ho);if(n.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,t)}const y=n._sectionPlanesState.sectionPlanes.length;if(y>0){const e=n._sectionPlanesState.sectionPlanes,s=t.layerIndex*y,i=a.renderFlags;for(let t=0;t<y;t++){const n=this._uSectionPlanes[t];if(n){const a=i.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,a?1:0),a){const s=e[t];if(c){const e=N(s.dist,s.dir,c,Io);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}l.numIndices8Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),r.drawArrays(r.TRIANGLES,0,l.numIndices8Bits)),l.numIndices16Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),r.drawArrays(r.TRIANGLES,0,l.numIndices16Bits)),l.numIndices32Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),r.drawArrays(r.TRIANGLES,0,l.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ge(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uColor=s.getLocation("color"),this._uWorldMatrix=s.getLocation("worldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,s=t.canvas.gl,n=t.camera.project;if(this._program.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(n.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("#version 300 es"),s.push("// Triangles dataTexture silhouette vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("precision highp usampler2D;"),s.push("precision highp isampler2D;"),s.push("precision highp sampler2D;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("precision mediump usampler2D;"),s.push("precision mediump isampler2D;"),s.push("precision mediump sampler2D;"),s.push("#endif"),s.push("uniform int renderPass;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("uniform mat4 worldMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),s.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),s.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),s.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),s.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),s.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),s.push("uniform highp sampler2D uTextureModelMatrices;"),s.push("uniform vec3 uCameraEyeRtc;"),s.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("out float isPerspective;")),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),t&&(s.push("out vec4 vWorldPosition;"),s.push("flat out uint vFlags2;")),s.push("void main(void) {"),s.push("int polygonIndex = gl_VertexID / 3;"),s.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),s.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),s.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),s.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("if (int(flags.y) != renderPass) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("} else {"),s.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),s.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),s.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),s.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),s.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),s.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),s.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),s.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),s.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),s.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),s.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),s.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),s.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),s.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),s.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),s.push("vec3 position;"),s.push("position = positions[gl_VertexID % 3];"),s.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),s.push("if (solid != 1u) {"),s.push("if (isPerspectiveMatrix(projMatrix)) {"),s.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),s.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),s.push("position = positions[2 - (gl_VertexID % 3)];"),s.push("viewNormal = -viewNormal;"),s.push("}"),s.push("} else {"),s.push("if (viewNormal.z < 0.0) {"),s.push("position = positions[2 - (gl_VertexID % 3)];"),s.push("viewNormal = -viewNormal;"),s.push("}"),s.push("}"),s.push("}"),s.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),s.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),s.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),s.push("vec4 viewPosition = viewMatrix * worldPosition; "),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags2 = flags2.r;")),s.push("gl_Position = clipPos;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// Triangles dataTexture draw fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uint vFlags2;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("uniform vec4 color;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0u;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { "),n.push("      discard;"),n.push("  }"),n.push("}")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("    outColor = color;"),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const vo=new Float32Array([0,0,0,1]),wo=h.vec3(),go=h.vec3();h.vec3();const To=h.vec3(),Eo=h.mat4();class bo{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){const n=t.model,i=n.scene,a=i.camera,r=i.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin,{position:u,rotationMatrix:p,rotationMatrixConjugate:A}=n,d=a.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);const I=0!==c[0]||0!==c[1]||0!==c[2],y=0!==u[0]||0!==u[1]||0!==u[2];if(I||y){const e=wo;if(I){const t=go;h.transformPoint3(p,c,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=u[0],e[1]+=u[1],e[2]+=u[2],f=B(d,e,Eo)}else f=d;if(r.uniform1i(this._uRenderPass,s),r.uniformMatrix4fv(this._uSceneModelWorldMatrix,!1,A),r.uniformMatrix4fv(this._uViewMatrix,!1,f),r.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix),s===Ri.EDGES_XRAYED){const e=i.xrayMaterial._state,t=e.edgeColor,s=e.edgeAlpha;r.uniform4f(this._uColor,t[0],t[1],t[2],s)}else if(s===Ri.EDGES_HIGHLIGHTED){const e=i.highlightMaterial._state,t=e.edgeColor,s=e.edgeAlpha;r.uniform4f(this._uColor,t[0],t[1],t[2],s)}else if(s===Ri.EDGES_SELECTED){const e=i.selectedMaterial._state,t=e.edgeColor,s=e.edgeAlpha;r.uniform4f(this._uColor,t[0],t[1],t[2],s)}else r.uniform4fv(this._uColor,vo);const m=i._sectionPlanesState.sectionPlanes.length;if(m>0){const e=i._sectionPlanesState.sectionPlanes,s=t.layerIndex*m,a=n.renderFlags;for(let t=0;t<m;t++){const n=this._uSectionPlanes[t];if(n){const i=a.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,i?1:0),i){const s=e[t];if(c){const e=N(s.dist,s.dir,c,To);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}l.numEdgeIndices8Bits>0&&(o.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),r.drawArrays(r.LINES,0,l.numEdgeIndices8Bits)),l.numEdgeIndices16Bits>0&&(o.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),r.drawArrays(r.LINES,0,l.numEdgeIndices16Bits)),l.numEdgeIndices32Bits>0&&(o.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),r.drawArrays(r.LINES,0,l.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ge(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uColor=s.getLocation("color"),this._uSceneModelWorldMatrix=s.getLocation("sceneModelWorldMatrix"),this._uWorldMatrix=s.getLocation("worldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets"}_bindProgram(){const e=this._scene,t=e.canvas.gl,s=this._program,n=e.camera.project;if(s.bind(),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(n.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("#version 300 es"),s.push("// Batched geometry edges drawing vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("precision highp usampler2D;"),s.push("precision highp isampler2D;"),s.push("precision highp sampler2D;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("precision mediump usampler2D;"),s.push("precision mediump isampler2D;"),s.push("precision mediump sampler2D;"),s.push("#endif"),s.push("uniform int renderPass;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("uniform mat4 sceneModelWorldMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),s.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),s.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),s.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),s.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),s.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),s.push("uniform highp sampler2D uTextureModelMatrices;"),s.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),s.push("out float isPerspective;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("flat out uint vFlags2;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int edgeIndex = gl_VertexID / 2;"),s.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),s.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),s.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),s.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("if (int(flags.z) != renderPass) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("} else {"),s.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),s.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),s.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),s.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),s.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),s.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),s.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),s.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),s.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),s.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),s.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),s.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),s.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("  vFlags2 = flags2.r;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s.push("gl_Position = clipPos;"),s.push("vColor = vec4(color.r, color.g, color.b, color.a);"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// Batched geometry edges drawing fragment shader"),e.logarithmicDepthBufferEnabled&&n.push("#extension GL_EXT_frag_depth : enable"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uint vFlags2;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0u;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { discard; }"),n.push("}")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("   outColor            = vColor;"),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Do=h.vec3(),Po=h.vec3(),Ro=h.vec3(),Co=h.mat4();class _o{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){const n=t.model,i=n.scene,a=i.camera,r=i.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin,{position:u,rotationMatrix:p,rotationMatrixConjugate:A}=n,d=a.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);const I=0!==c[0]||0!==c[1]||0!==c[2],y=0!==u[0]||0!==u[1]||0!==u[2];if(I||y){const e=Do;if(I){const t=Po;h.transformPoint3(p,c,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=u[0],e[1]+=u[1],e[2]+=u[2],f=B(d,e,Co)}else f=d;r.uniform1i(this._uRenderPass,s),r.uniformMatrix4fv(this._uSceneModelWorldMatrix,!1,A),r.uniformMatrix4fv(this._uViewMatrix,!1,f),r.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix);const m=i._sectionPlanesState.sectionPlanes.length;if(m>0){const e=i._sectionPlanesState.sectionPlanes,s=t.layerIndex*m,a=n.renderFlags;for(let t=0;t<m;t++){const n=this._uSectionPlanes[t];if(n){const i=a.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,i?1:0),i){const s=e[t];if(c){const e=N(s.dist,s.dir,c,Ro);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}l.numEdgeIndices8Bits>0&&(o.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),r.drawArrays(r.LINES,0,l.numEdgeIndices8Bits)),l.numEdgeIndices16Bits>0&&(o.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),r.drawArrays(r.LINES,0,l.numEdgeIndices16Bits)),l.numEdgeIndices32Bits>0&&(o.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),r.drawArrays(r.LINES,0,l.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ge(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uSceneModelWorldMatrix=s.getLocation("sceneModelWorldMatrix"),this._uWorldMatrix=s.getLocation("worldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets"}_bindProgram(){const e=this._scene,t=e.canvas.gl,s=this._program,n=e.camera.project;if(s.bind(),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(n.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("#version 300 es"),s.push("// Batched geometry edges drawing vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("precision highp usampler2D;"),s.push("precision highp isampler2D;"),s.push("precision highp sampler2D;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("precision mediump usampler2D;"),s.push("precision mediump isampler2D;"),s.push("precision mediump sampler2D;"),s.push("#endif"),s.push("uniform int renderPass;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("uniform mat4 sceneModelWorldMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),s.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),s.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),s.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),s.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),s.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),s.push("uniform highp sampler2D uTextureModelMatrices;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),s.push("out float isPerspective;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("flat out uint vFlags2;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),s.push("int edgeIndex = gl_VertexID / 2;"),s.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),s.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),s.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),s.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("if (int(flags.z) != renderPass) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("} else {"),s.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),s.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),s.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),s.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),s.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),s.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),s.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),s.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),s.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),s.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),s.push("uvec4 color = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),s.push("if (color.a == 0u) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("};"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),s.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),s.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("  vFlags2 = flags2.r;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s.push("gl_Position = clipPos;"),s.push("vec4 rgb = vec4(color.rgba);"),s.push("vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// Batched geometry edges drawing fragment shader"),e.logarithmicDepthBufferEnabled&&n.push("#extension GL_EXT_frag_depth : enable"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uint vFlags2;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0u;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { discard; }"),n.push("}")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("   outColor            = vColor;"),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Bo=h.vec3(),Oo=h.vec3(),So=h.vec3(),No=h.mat4();class xo{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e));const n=t.model,i=n.scene,a=i.camera,r=i.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin,{position:u,rotationMatrix:p,rotationMatrixConjugate:A}=n;let d,f;o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);const I=0!==c[0]||0!==c[1]||0!==c[2],y=0!==u[0]||0!==u[1]||0!==u[2];if(I||y){const e=Bo;if(I){const t=h.transformPoint3(p,c,Oo);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=u[0],e[1]+=u[1],e[2]+=u[2],d=B(a.viewMatrix,e,No),f=So,f[0]=a.eye[0]-e[0],f[1]=a.eye[1]-e[1],f[2]=a.eye[2]-e[2]}else d=a.viewMatrix,f=a.eye;if(r.uniformMatrix4fv(this._uSceneModelWorldMatrix,!1,A),r.uniformMatrix4fv(this._uViewMatrix,!1,d),r.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix),r.uniform3fv(this._uCameraEyeRtc,f),r.uniform1i(this._uRenderPass,s),i.logarithmicDepthBufferEnabled){const e=2/(Math.log(a.project.far+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,e)}const m=i._sectionPlanesState.sectionPlanes.length;if(m>0){const e=i._sectionPlanesState.sectionPlanes,s=t.layerIndex*m,a=n.renderFlags;for(let t=0;t<m;t++){const n=this._uSectionPlanes[t];if(n){const i=a.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,i?1:0),i){const s=e[t];if(c){const e=N(s.dist,s.dir,c,Bo);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}l.numIndices8Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),r.drawArrays(r.TRIANGLES,0,l.numIndices8Bits)),l.numIndices16Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),r.drawArrays(r.TRIANGLES,0,l.numIndices16Bits)),l.numIndices32Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),r.drawArrays(r.TRIANGLES,0,l.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ge(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uPickInvisible=s.getLocation("pickInvisible"),this._uSceneModelWorldMatrix=s.getLocation("sceneModelWorldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=s.getLocation("uSAOParams")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene.canvas.gl;this._program.bind(),t.uniform1i(this._uPickInvisible,e.pickInvisible)}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("#version 300 es"),s.push("// Batched geometry picking vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("precision highp usampler2D;"),s.push("precision highp isampler2D;"),s.push("precision highp sampler2D;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("precision mediump usampler2D;"),s.push("precision mediump isampler2D;"),s.push("precision mediump sampler2D;"),s.push("#endif"),s.push("uniform int renderPass;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("uniform mat4 sceneModelWorldMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform bool pickInvisible;"),s.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),s.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),s.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),s.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),s.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),s.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),s.push("uniform highp sampler2D uTextureModelMatrices;"),s.push("uniform vec3 uCameraEyeRtc;"),s.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("out float isPerspective;")),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),t&&(s.push("smooth out vec4 vWorldPosition;"),s.push("flat out uvec4 vFlags2;")),s.push("out vec4 vPickColor;"),s.push("void main(void) {"),s.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),s.push("int polygonIndex = gl_VertexID / 3;"),s.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),s.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),s.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),s.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("if (int(flags.w) != renderPass) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("} else {"),s.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),s.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),s.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),s.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),s.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),s.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),s.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),s.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),s.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),s.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),s.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),s.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),s.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),s.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),s.push("uvec4 color = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),s.push("if (color.a == 0u) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("};"),s.push("vPickColor = vec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0)) / 255.0;"),s.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),s.push("vec3 position;"),s.push("position = positions[gl_VertexID % 3];"),s.push("if (solid != 1u) {"),s.push("if (isPerspectiveMatrix(projMatrix)) {"),s.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),s.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),s.push("position = positions[2 - (gl_VertexID % 3)];"),s.push("}"),s.push("} else {"),s.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),s.push("if (viewNormal.z < 0.0) {"),s.push("position = positions[2 - (gl_VertexID % 3)];"),s.push("}"),s.push("}"),s.push("}"),s.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),s.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),s.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),s.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags2 = flags2;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s.push("gl_Position = clipPos;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// Batched geometry picking fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uvec4 vFlags2;");for(var i=0;i<t.sectionPlanes.length;i++)n.push("uniform bool sectionPlaneActive"+i+";"),n.push("uniform vec3 sectionPlanePos"+i+";"),n.push("uniform vec3 sectionPlaneDir"+i+";")}if(n.push("in vec4 vPickColor;"),n.push("out vec4 outPickColor;"),n.push("void main(void) {"),s){n.push("  bool clippable = (float(vFlags2.x) > 0.0);"),n.push("  if (clippable) {"),n.push("      float dist = 0.0;");for(i=0;i<t.sectionPlanes.length;i++)n.push("      if (sectionPlaneActive"+i+") {"),n.push("          dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),n.push("      }");n.push("      if (dist > 0.0) { discard; }"),n.push("  }")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("   outPickColor = vPickColor; "),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Lo=h.vec3(),Mo=h.vec3(),Fo=h.vec3(),Ho=h.vec3(),Uo=h.mat4();class Go{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){const n=t.model,i=n.scene,a=i.camera,r=i.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin,{position:u,rotationMatrix:p,rotationMatrixConjugate:A}=n,d=e.pickViewMatrix||a.viewMatrix;let f,I;if(this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets),a.eye,c||0!==u[0]||0!==u[1]||0!==u[2]){const t=Lo;if(c){const e=Mo;h.transformPoint3(p,c,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=u[0],t[1]+=u[1],t[2]+=u[2],f=B(d,t,Uo),I=Fo,I[0]=a.eye[0]-t[0],I[1]=a.eye[1]-t[1],I[2]=a.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,I=a.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;if(r.uniform3fv(this._uCameraEyeRtc,I),r.uniform1i(this._uRenderPass,s),r.uniform1i(this._uPickInvisible,e.pickInvisible),r.uniform1f(this._uPickZNear,e.pickZNear),r.uniform1f(this._uPickZFar,e.pickZFar),r.uniformMatrix4fv(this._uWorldMatrix,!1,A),r.uniformMatrix4fv(this._uViewMatrix,!1,f),r.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix),i.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,t)}const y=i._sectionPlanesState.sectionPlanes.length;if(y>0){const e=i._sectionPlanesState.sectionPlanes,s=t.layerIndex*y,a=n.renderFlags;for(let t=0;t<y;t++){const n=this._uSectionPlanes[t];if(n){const i=a.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,i?1:0),i){const s=e[t];if(c){const e=N(s.dist,s.dir,c,Ho);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}l.numIndices8Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),r.drawArrays(r.TRIANGLES,0,l.numIndices8Bits)),l.numIndices16Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),r.drawArrays(r.TRIANGLES,0,l.numIndices16Bits)),l.numIndices32Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),r.drawArrays(r.TRIANGLES,0,l.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ge(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uPickInvisible=s.getLocation("pickInvisible"),this._uWorldMatrix=s.getLocation("worldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._uPickZNear=s.getLocation("pickZNear"),this._uPickZFar=s.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureCameraMatrices="uTextureCameraMatrices",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("#version 300 es"),s.push("// Triangles dataTexture pick depth vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("precision highp usampler2D;"),s.push("precision highp isampler2D;"),s.push("precision highp sampler2D;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("precision mediump usampler2D;"),s.push("precision mediump isampler2D;"),s.push("precision mediump sampler2D;"),s.push("#endif"),s.push("uniform int renderPass;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("uniform mat4 worldMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform bool pickInvisible;"),s.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),s.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),s.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),s.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),s.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),s.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),s.push("uniform highp sampler2D uTextureModelMatrices;"),s.push("uniform vec3 uCameraEyeRtc;"),s.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("out float isPerspective;")),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),t&&(s.push("out vec4 vWorldPosition;"),s.push("flat out uint vFlags2;")),s.push("out vec4 vViewPosition;"),s.push("void main(void) {"),s.push("int polygonIndex = gl_VertexID / 3;"),s.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),s.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),s.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),s.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("if (int(flags.w) != renderPass) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("} else {"),s.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),s.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),s.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),s.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),s.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),s.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),s.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),s.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),s.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),s.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),s.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),s.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),s.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),s.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),s.push("uvec4 color = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),s.push("if (color.a == 0u) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("};"),s.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),s.push("vec3 position;"),s.push("position = positions[gl_VertexID % 3];"),s.push("if (solid != 1u) {"),s.push("if (isPerspectiveMatrix(projMatrix)) {"),s.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),s.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),s.push("position = positions[2 - (gl_VertexID % 3)];"),s.push("}"),s.push("} else {"),s.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),s.push("if (viewNormal.z < 0.0) {"),s.push("position = positions[2 - (gl_VertexID % 3)];"),s.push("}"),s.push("}"),s.push("}"),s.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),s.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),s.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),s.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags2 = flags2.r;")),s.push("vViewPosition = viewPosition;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s.push("gl_Position = clipPos;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// Triangles dataTexture pick depth fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform float pickZNear;"),n.push("uniform float pickZFar;"),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uint vFlags2;");for(var i=0;i<t.sectionPlanes.length;i++)n.push("uniform bool sectionPlaneActive"+i+";"),n.push("uniform vec3 sectionPlanePos"+i+";"),n.push("uniform vec3 sectionPlaneDir"+i+";")}if(n.push("in vec4 vViewPosition;"),n.push("vec4 packDepth(const in float depth) {"),n.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),n.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),n.push("  vec4 res = fract(depth * bitShift);"),n.push("  res -= res.xxyz * bitMask;"),n.push("  return res;"),n.push("}"),n.push("out vec4 outPackedDepth;"),n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0u;"),n.push("  if (clippable) {"),n.push("      float dist = 0.0;");for(i=0;i<t.sectionPlanes.length;i++)n.push("      if (sectionPlaneActive"+i+") {"),n.push("          dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),n.push("      }");n.push("      if (dist > 0.0) { discard; }"),n.push("  }")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),n.push("    outPackedDepth = packDepth(zNormalizedDepth); "),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Vo=h.vec3(),jo=h.vec3(),ko=h.vec3(),Qo=h.vec3(),Wo=h.vec3(),zo=h.mat4();class Ko{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const n=t.model,i=n.scene,a=i.camera,r=i.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin,{position:u,rotationMatrix:p,rotationMatrixConjugate:A}=n,d=t.aabb,f=e.pickViewMatrix||a.viewMatrix,I=Vo;let y,m;I[0]=h.safeInv(d[3]-d[0])*h.MAX_INT,I[1]=h.safeInv(d[4]-d[1])*h.MAX_INT,I[2]=h.safeInv(d[5]-d[2])*h.MAX_INT,e.snapPickCoordinateScale[0]=h.safeInv(I[0]),e.snapPickCoordinateScale[1]=h.safeInv(I[1]),e.snapPickCoordinateScale[2]=h.safeInv(I[2]),o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);const v=0!==c[0]||0!==c[1]||0!==c[2],w=0!==u[0]||0!==u[1]||0!==u[2];if(v||w){const t=jo;if(v){const e=h.transformPoint3(p,c,ko);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=u[0],t[1]+=u[1],t[2]+=u[2],y=B(f,t,zo),m=Qo,m[0]=a.eye[0]-t[0],m[1]=a.eye[1]-t[1],m[2]=a.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else y=f,m=a.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;if(r.uniform3fv(this._uCameraEyeRtc,m),r.uniform2fv(this.uVectorA,e.snapVectorA),r.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),r.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),r.uniform3fv(this._uCoordinateScaler,I),r.uniform1i(this._uRenderPass,s),r.uniform1i(this._uPickInvisible,e.pickInvisible),r.uniformMatrix4fv(this._uSceneModelWorldMatrix,!1,A),r.uniformMatrix4fv(this._uViewMatrix,!1,y),r.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix),i.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,t)}const g=i._sectionPlanesState.sectionPlanes.length;if(g>0){const e=i._sectionPlanesState.sectionPlanes,s=t.layerIndex*g,a=n.renderFlags;for(let t=0;t<g;t++){const n=this._uSectionPlanes[t];if(n){const i=a.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,i?1:0),i){const s=e[t];if(c){const e=N(s.dist,s.dir,c,Wo);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}const T="edge"===e.snapMode?r.LINES:r.POINTS;l.numEdgeIndices8Bits>0&&(o.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),r.drawArrays(T,0,l.numEdgeIndices8Bits)),l.numEdgeIndices16Bits>0&&(o.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),r.drawArrays(T,0,l.numEdgeIndices16Bits)),l.numEdgeIndices32Bits>0&&(o.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),r.drawArrays(T,0,l.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ge(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uPickInvisible=s.getLocation("pickInvisible"),this._uSceneModelWorldMatrix=s.getLocation("sceneModelWorldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc"),this.uVectorA=s.getLocation("uSnapVectorA"),this.uInverseVectorAB=s.getLocation("uSnapInvVectorAB"),this._uLayerNumber=s.getLocation("uLayerNumber"),this._uCoordinateScaler=s.getLocation("uCoordinateScaler")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("#version 300 es"),s.push("// Batched geometry edges drawing vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("precision highp usampler2D;"),s.push("precision highp isampler2D;"),s.push("precision highp sampler2D;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("precision mediump usampler2D;"),s.push("precision mediump isampler2D;"),s.push("precision mediump sampler2D;"),s.push("#endif"),s.push("uniform int renderPass;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("uniform mat4 sceneModelWorldMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),s.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),s.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),s.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),s.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),s.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),s.push("uniform highp sampler2D uTextureModelMatrices;"),s.push("uniform vec3 uCameraEyeRtc;"),s.push("uniform vec2 uSnapVectorA;"),s.push("uniform vec2 uSnapInvVectorAB;"),s.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),s.push("out float isPerspective;")),s.push("vec2 remapClipPos(vec2 clipPos) {"),s.push("    float x = (clipPos.x - uSnapVectorA.x) * uSnapInvVectorAB.x;"),s.push("    float y = (clipPos.y - uSnapVectorA.y) * uSnapInvVectorAB.y;"),s.push("    return vec2(x, y);"),s.push("}"),t&&(s.push("out vec4 vWorldPosition;"),s.push("flat out uint vFlags2;")),s.push("out vec4 vViewPosition;"),s.push("out highp vec3 relativeToOriginPosition;"),s.push("void main(void) {"),s.push("int edgeIndex = gl_VertexID / 2;"),s.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),s.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),s.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),s.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("{"),s.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),s.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),s.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),s.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),s.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),s.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),s.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),s.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),s.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),s.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),s.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),s.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),s.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),s.push("relativeToOriginPosition = worldPosition.xyz;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("  vFlags2 = flags2.r;")),s.push("vViewPosition = viewPosition;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),s.push("float tmp = clipPos.w;"),s.push("clipPos.xyzw /= tmp;"),s.push("clipPos.xy = remapClipPos(clipPos.xy);"),s.push("clipPos.xyzw *= tmp;"),s.push("vViewPosition = clipPos;"),e.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s.push("gl_Position = clipPos;"),s.push("gl_PointSize = 1.0;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// Triangles dataTexture pick depth fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform int uLayerNumber;"),n.push("uniform vec3 uCoordinateScaler;"),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uint vFlags2;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("in highp vec3 relativeToOriginPosition;"),n.push("out highp ivec4 outCoords;"),n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0u;"),n.push("  if (clippable) {"),n.push("      float dist = 0.0;");for(var i=0;i<t.sectionPlanes.length;i++)n.push("      if (sectionPlaneActive"+i+") {"),n.push("          dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),n.push("      }");n.push("      if (dist > 0.0) { discard; }"),n.push("  }")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, uLayerNumber);"),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Yo=h.vec3(),Xo=h.vec3(),qo=h.vec3(),Jo=h.vec3(),Zo=h.vec3(),$o=h.mat4();class ec{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const n=t.model,i=n.scene,a=i.camera,r=i.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin,{position:u,rotationMatrix:p,rotationMatrixConjugate:A}=n,d=t.aabb,f=e.pickViewMatrix||a.viewMatrix,I=Yo;let y,m;I[0]=h.safeInv(d[3]-d[0])*h.MAX_INT,I[1]=h.safeInv(d[4]-d[1])*h.MAX_INT,I[2]=h.safeInv(d[5]-d[2])*h.MAX_INT,e.snapPickCoordinateScale[0]=h.safeInv(I[0]),e.snapPickCoordinateScale[1]=h.safeInv(I[1]),e.snapPickCoordinateScale[2]=h.safeInv(I[2]),o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);const v=0!==c[0]||0!==c[1]||0!==c[2],w=0!==u[0]||0!==u[1]||0!==u[2];if(v||w){const t=Xo;if(v){const e=qo;h.transformPoint3(p,c,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=u[0],t[1]+=u[1],t[2]+=u[2],y=B(f,t,$o),m=Jo,m[0]=a.eye[0]-t[0],m[1]=a.eye[1]-t[1],m[2]=a.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else y=f,m=a.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;if(r.uniform3fv(this._uCameraEyeRtc,m),r.uniform2fv(this._uVectorA,e.snapVectorA),r.uniform2fv(this._uInverseVectorAB,e.snapInvVectorAB),r.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),r.uniform3fv(this._uCoordinateScaler,I),r.uniform1i(this._uRenderPass,s),r.uniform1i(this._uPickInvisible,e.pickInvisible),r.uniformMatrix4fv(this._uSceneWorldModelMatrix,!1,A),r.uniformMatrix4fv(this._uViewMatrix,!1,y),r.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix),i.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,t)}const g=i._sectionPlanesState.sectionPlanes.length;if(g>0){const e=i._sectionPlanesState.sectionPlanes,s=t.layerIndex*g,a=n.renderFlags;for(let t=0;t<g;t++){const n=this._uSectionPlanes[t];if(n){const i=a.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,i?1:0),i){const s=e[t];if(c){const e=N(s.dist,s.dir,c,Zo);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}l.numIndices8Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),r.drawArrays(r.TRIANGLES,0,l.numIndices8Bits)),l.numIndices16Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),r.drawArrays(r.TRIANGLES,0,l.numIndices16Bits)),l.numIndices32Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),r.drawArrays(r.TRIANGLES,0,l.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ge(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uPickInvisible=s.getLocation("pickInvisible"),this._uSceneWorldModelMatrix=s.getLocation("sceneModelWorldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc"),this._uVectorA=s.getLocation("uVectorAB"),this._uInverseVectorAB=s.getLocation("uInverseVectorAB"),this._uLayerNumber=s.getLocation("uLayerNumber"),this._uCoordinateScaler=s.getLocation("uCoordinateScaler")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("#version 300 es"),s.push("// TrianglesDataTextureSnapDepthBufInitRenderer vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("precision highp usampler2D;"),s.push("precision highp isampler2D;"),s.push("precision highp sampler2D;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("precision mediump usampler2D;"),s.push("precision mediump isampler2D;"),s.push("precision mediump sampler2D;"),s.push("#endif"),s.push("uniform int renderPass;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("uniform mat4 sceneModelWorldMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),s.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),s.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),s.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),s.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),s.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),s.push("uniform highp sampler2D uTextureModelMatrices;"),s.push("uniform vec3 uCameraEyeRtc;"),s.push("uniform vec2 uVectorAB;"),s.push("uniform vec2 uInverseVectorAB;"),s.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("out float isPerspective;")),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),s.push("vec2 remapClipPos(vec2 clipPos) {"),s.push("    float x = (clipPos.x - uVectorAB.x) * uInverseVectorAB.x;"),s.push("    float y = (clipPos.y - uVectorAB.y) * uInverseVectorAB.y;"),s.push("    return vec2(x, y);"),s.push("}"),t&&(s.push("out vec4 vWorldPosition;"),s.push("flat out uint vFlags2;")),s.push("out highp vec3 relativeToOriginPosition;"),s.push("void main(void) {"),s.push("int polygonIndex = gl_VertexID / 3;"),s.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),s.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),s.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),s.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("{"),s.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),s.push("uvec4 color = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),s.push("if (color.a == 0u) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("};"),s.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),s.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),s.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),s.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),s.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),s.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),s.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),s.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),s.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),s.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),s.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),s.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),s.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),s.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),s.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),s.push("vec3 position;"),s.push("position = positions[gl_VertexID % 3];"),s.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),s.push("if (solid != 1u) {"),s.push("  if (isPerspectiveMatrix(projMatrix)) {"),s.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),s.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),s.push("          position = positions[2 - (gl_VertexID % 3)];"),s.push("          viewNormal = -viewNormal;"),s.push("      }"),s.push("  } else {"),s.push("      if (viewNormal.z < 0.0) {"),s.push("          position = positions[2 - (gl_VertexID % 3)];"),s.push("          viewNormal = -viewNormal;"),s.push("      }"),s.push("  }"),s.push("}"),s.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),s.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),s.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),s.push("relativeToOriginPosition = worldPosition.xyz;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags2 = flags2.r;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),s.push("float tmp = clipPos.w;"),s.push("clipPos.xyzw /= tmp;"),s.push("clipPos.xy = remapClipPos(clipPos.xy);"),s.push("clipPos.z += 0.0001;"),s.push("clipPos.xyzw *= tmp;"),e.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s.push("gl_Position = clipPos;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// TrianglesDataTextureSnapDepthBufInitRenderer fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform int uLayerNumber;"),n.push("uniform vec3 uCoordinateScaler;"),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uint vFlags2;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("in highp vec3 relativeToOriginPosition;"),n.push("out highp ivec4 outCoords;"),n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0u;"),n.push("  if (clippable) {"),n.push("      float dist = 0.0;");for(var i=0;i<t.sectionPlanes.length;i++)n.push("      if (sectionPlaneActive"+i+") {"),n.push("          dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),n.push("      }");n.push("      if (dist > 0.0) { discard; }"),n.push("  }")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, - uLayerNumber);"),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const tc=h.vec3();class sc{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){const n=t.model,i=n.scene,a=i.camera,r=i.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin;this._program||this._allocate(t),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureCameraMatrices,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);let u=a.eye;e.pickViewMatrix&&(o.bindPickCameraTexture(this._program,this._uTextureCameraMatrices),u=e.pickOrigin||u);const h=[u[0]-c[0],u[1]-c[1],u[2]-c[2]];if(r.uniform3fv(this._uCameraEyeRtc,h),r.uniform1i(this._uRenderPass,s),r.uniform3fv(this._uCameraEyeRtc,h),r.uniform1i(this._uPickInvisible,e.pickInvisible),i.logarithmicDepthBufferEnabled){const e=2/(Math.log(a.project.far+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,e)}const p=i._sectionPlanesState.sectionPlanes.length;if(p>0){const e=i._sectionPlanesState.sectionPlanes,s=t.layerIndex*p,a=n.renderFlags;for(let t=0;t<p;t++){const n=this._uSectionPlanes[t];if(n){const i=a.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,i?1:0),i){const s=e[t];if(c){const e=N(s.dist,s.dir,c,tc);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}l.numIndices8Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),r.drawArrays(r.TRIANGLES,0,l.numIndices8Bits)),l.numIndices16Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),r.drawArrays(r.TRIANGLES,0,l.numIndices16Bits)),l.numIndices32Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),r.drawArrays(r.TRIANGLES,0,l.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ge(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uPickInvisible=s.getLocation("pickInvisible"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureCameraMatrices="uTextureCameraMatrices",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("#version 300 es"),s.push("// Triangles dataTexture pick normals vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("precision highp usampler2D;"),s.push("precision highp isampler2D;"),s.push("precision highp sampler2D;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("precision mediump usampler2D;"),s.push("precision mediump isampler2D;"),s.push("precision mediump sampler2D;"),s.push("#endif"),s.push("uniform int renderPass;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("uniform bool pickInvisible;"),s.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),s.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),s.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),s.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),s.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),s.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),s.push("uniform highp sampler2D uTextureCameraMatrices;"),s.push("uniform highp sampler2D uTextureModelMatrices;"),s.push("uniform vec3 uCameraEyeRtc;"),s.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("out float isPerspective;")),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),t&&(s.push("out vec4 vWorldPosition;"),s.push("flat out uint vFlags2;")),s.push("out vec3 vWorldNormal;"),s.push("void main(void) {"),s.push("mat4 viewMatrix = mat4 (texelFetch (uTextureCameraMatrices, ivec2(0, 0), 0), texelFetch (uTextureCameraMatrices, ivec2(1, 0), 0), texelFetch (uTextureCameraMatrices, ivec2(2, 0), 0), texelFetch (uTextureCameraMatrices, ivec2(3, 0), 0));"),s.push("mat4 projMatrix = mat4 (texelFetch (uTextureCameraMatrices, ivec2(0, 2), 0), texelFetch (uTextureCameraMatrices, ivec2(1, 2), 0), texelFetch (uTextureCameraMatrices, ivec2(2, 2), 0), texelFetch (uTextureCameraMatrices, ivec2(3, 2), 0));"),s.push("mat4 worldMatrix = mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),s.push("int polygonIndex = gl_VertexID / 3;"),s.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),s.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),s.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),s.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("if (int(flags.w) != renderPass) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("} else {"),s.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),s.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),s.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),s.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),s.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),s.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),s.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),s.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),s.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),s.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),s.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),s.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),s.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),s.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),s.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),s.push("vec3 position;"),s.push("position = positions[gl_VertexID % 3];"),s.push("if (solid != 1u) {"),s.push("if (isPerspectiveMatrix(projMatrix)) {"),s.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),s.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),s.push("position = positions[2 - (gl_VertexID % 3)];"),s.push("normal = -normal;"),s.push("}"),s.push("} else {"),s.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),s.push("if (viewNormal.z < 0.0) {"),s.push("position = positions[2 - (gl_VertexID % 3)];"),s.push("normal = -normal;"),s.push("}"),s.push("}"),s.push("}"),s.push("normal = -normal;"),s.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),s.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),s.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),s.push("vec4 viewPosition = viewMatrix * worldPosition; "),s.push("vWorldNormal = normal.xyz;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags2 = flags2.w;")),s.push("gl_Position = clipPos;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// Triangles dataTexture pick normals fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uint vFlags2;");for(var i=0;i<t.sectionPlanes.length;i++)n.push("uniform bool sectionPlaneActive"+i+";"),n.push("uniform vec3 sectionPlanePos"+i+";"),n.push("uniform vec3 sectionPlaneDir"+i+";")}if(n.push("in vec3 vWorldNormal;"),n.push("out vec4 outNormal;"),n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0u;"),n.push("  if (clippable) {"),n.push("      float dist = 0.0;");for(i=0;i<t.sectionPlanes.length;i++)n.push("      if (sectionPlaneActive"+i+") {"),n.push("          dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),n.push("      }");n.push("      if (dist > 0.0) { discard; }"),n.push("  }")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("    outNormal = vec4((vWorldNormal * 0.5) + 0.5, 1.0);"),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}h.vec3(),h.vec3(),h.vec3(),h.vec3(),h.mat4();class nc{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ge(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uWorldMatrix=s.getLocation("worldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._aPosition=s.getAttribute("position"),this._aOffset=s.getAttribute("offset"),this._aColor=s.getAttribute("color"),this._aFlags=s.getAttribute("flags"),this._aFlags2=s.getAttribute("flags2"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC"))}_bindProgram(){const e=this._scene,t=e.canvas.gl,s=e.camera.project;if(this._program.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,s.matrix),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("// TrianglesDataTextureColorRenderer vertex shader"),e.logarithmicDepthBufferEnabled&&ce.SUPPORTED_EXTENSIONS.EXT_frag_depth&&s.push("#extension GL_EXT_frag_depth : enable"),s.push("uniform int renderPass;"),s.push("attribute vec3 position;"),e.entityOffsetsEnabled&&s.push("attribute vec3 offset;"),s.push("attribute vec4 color;"),s.push("attribute vec4 flags;"),s.push("attribute vec4 flags2;"),s.push("uniform mat4 worldMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform mat4 positionsDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),ce.SUPPORTED_EXTENSIONS.EXT_frag_depth&&s.push("out float vFragDepth;"),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),s.push("out float isPerspective;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out vec4 vFlags2;")),s.push("void main(void) {"),s.push("if (int(flags.x) != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags2 = flags2;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(ce.SUPPORTED_EXTENSIONS.EXT_frag_depth?s.push("vFragDepth = 1.0 + clipPos.w;"):(s.push("clipPos.z = log2( max( 1e-6, clipPos.w + 1.0 ) ) * logDepthBufFC - 1.0;"),s.push("clipPos.z *= clipPos.w;")),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s.push("gl_Position = clipPos;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("// TrianglesDataTextureColorRenderer fragment shader"),e.logarithmicDepthBufferEnabled&&ce.SUPPORTED_EXTENSIONS.EXT_frag_depth&&n.push("#extension GL_EXT_frag_depth : enable"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&ce.SUPPORTED_EXTENSIONS.EXT_frag_depth&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s){n.push("in vec4 vWorldPosition;"),n.push("in vec4 vFlags2;");for(let e=0;e<t.sectionPlanes.length;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("void main(void) {"),s){n.push("  bool clippable = (float(vFlags2.x) > 0.0);"),n.push("  if (clippable) {"),n.push("      float dist = 0.0;");for(let e=0;e<t.sectionPlanes.length;e++)n.push("      if (sectionPlaneActive"+e+") {"),n.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("      }");n.push("      if (dist > 0.0) { discard; }"),n.push("  }")}return e.logarithmicDepthBufferEnabled&&ce.SUPPORTED_EXTENSIONS.EXT_frag_depth&&n.push("    gl_FragDepthEXT = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("   gl_FragColor = vec4(0.0, 0.0, 1.0, 1.0); "),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const ic=h.vec3(),ac=h.vec3(),rc=h.vec3(),lc=h.vec3(),oc=h.mat4();class cc{constructor(e){this._scene=e,this._allocate(),this._hash=this._getHash()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){const n=this._scene,i=n.camera,a=t.model,r=n.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin,{position:u,rotationMatrix:p,rotationMatrixConjugate:A}=a;if(!this._program&&(this._allocate(),this.errors))return;let d,f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,l)),o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);const I=0!==c[0]||0!==c[1]||0!==c[2],y=0!==u[0]||0!==u[1]||0!==u[2];if(I||y){const e=ic;if(I){const t=h.transformPoint3(p,c,ac);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=u[0],e[1]+=u[1],e[2]+=u[2],d=B(i.viewMatrix,e,oc),f=rc,f[0]=i.eye[0]-e[0],f[1]=i.eye[1]-e[1],f[2]=i.eye[2]-e[2]}else d=i.viewMatrix,f=i.eye;if(r.uniformMatrix4fv(this._uSceneModelWorldMatrix,!1,A),r.uniformMatrix4fv(this._uViewMatrix,!1,d),r.uniformMatrix4fv(this._uProjMatrix,!1,i.projMatrix),r.uniform3fv(this._uCameraEyeRtc,f),r.uniform1i(this._uRenderPass,s),n.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,t)}const m=n._sectionPlanesState.sectionPlanes.length;if(m>0){const e=n._sectionPlanesState.sectionPlanes,s=t.layerIndex*m,i=a.renderFlags;for(let t=0;t<m;t++){const n=this._uSectionPlanes[t];if(n){const a=i.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,a?1:0),a){const s=e[t];if(c){const e=N(s.dist,s.dir,c,lc);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}l.numIndices8Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),r.drawArrays(r.TRIANGLES,0,l.numIndices8Bits)),l.numIndices16Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),r.drawArrays(r.TRIANGLES,0,l.numIndices16Bits)),l.numIndices32Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),r.drawArrays(r.TRIANGLES,0,l.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ge(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uSceneModelWorldMatrix=s.getLocation("sceneModelWorldMatrix"),this._uWorldMatrix=s.getLocation("worldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,s=t.canvas.gl,n=this._program,i=t.camera.project;if(n.bind(),s.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(i.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState;e._lightsState;const s=t.sectionPlanes.length>0,n=[];return n.push("#version 300 es"),n.push("// Triangles dataTexture draw vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("precision highp usampler2D;"),n.push("precision highp isampler2D;"),n.push("precision highp sampler2D;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("precision mediump usampler2D;"),n.push("precision mediump isampler2D;"),n.push("precision mediump sampler2D;"),n.push("#endif"),n.push("uniform int renderPass;"),e.entityOffsetsEnabled&&n.push("in vec3 offset;"),n.push("uniform mat4 sceneModelWorldMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),n.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),n.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),n.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),n.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),n.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),n.push("uniform highp sampler2D uTextureModelMatrices;"),n.push("uniform vec3 uCameraEyeRtc;"),n.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("out float isPerspective;")),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out highp vec2 vHighPrecisionZW;"),s&&(n.push("out vec4 vWorldPosition;"),n.push("flat out uint vFlags2;")),n.push("void main(void) {"),n.push("int polygonIndex = gl_VertexID / 3;"),n.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),n.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),n.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),n.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),n.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),n.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),n.push("if (int(flags.x) != renderPass) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("} else {"),n.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),n.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),n.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),n.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),n.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),n.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),n.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),n.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),n.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),n.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),n.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),n.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),n.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),n.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),n.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),n.push("uvec4 color = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),n.push("if (color.a == 0u) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("};"),n.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),n.push("vec3 position;"),n.push("position = positions[gl_VertexID % 3];"),n.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),n.push("if (solid != 1u) {"),n.push("if (isPerspectiveMatrix(projMatrix)) {"),n.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),n.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),n.push("position = positions[2 - (gl_VertexID % 3)];"),n.push("viewNormal = -viewNormal;"),n.push("}"),n.push("} else {"),n.push("if (viewNormal.z < 0.0) {"),n.push("position = positions[2 - (gl_VertexID % 3)];"),n.push("viewNormal = -viewNormal;"),n.push("}"),n.push("}"),n.push("}"),n.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),n.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),n.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),n.push("vec4 viewPosition = viewMatrix * worldPosition; "),n.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(n.push("vWorldPosition = worldPosition;"),n.push("vFlags2 = flags2.r;")),n.push("gl_Position = clipPos;"),n.push("vHighPrecisionZW = gl_Position.zw;"),n.push("}"),n.push("}"),n}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// Triangles dataTexture draw fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),n.push("in highp vec2 vHighPrecisionZW;"),n.push("out vec4 outColor;"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uint vFlags2;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0u;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { "),n.push("      discard;"),n.push("  }"),n.push("}")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),n.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const uc=h.vec3(),hc=h.vec3(),pc=h.vec3(),Ac=h.vec3(),dc=h.mat4();class fc{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){const n=t.model,i=n.scene,a=i.camera,r=i.canvas.gl,l=t._state,o=t._state.origin,{position:c,rotationMatrix:u,rotationMatrixConjugate:p}=n,A=a.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let d,f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(t));const I=0!==o[0]||0!==o[1]||0!==o[2],y=0!==c[0]||0!==c[1]||0!==c[2];if(I||y){const e=uc;if(I){const t=hc;h.transformPoint3(u,o,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=c[0],e[1]+=c[1],e[2]+=c[2],d=B(A,e,dc),f=pc,f[0]=a.eye[0]-e[0],f[1]=a.eye[1]-e[1],f[2]=a.eye[2]-e[2]}else d=A,f=a.eye;r.uniform1i(this._uRenderPass,s),r.uniformMatrix4fv(this._uWorldMatrix,!1,p),r.uniformMatrix4fv(this._uViewMatrix,!1,d),r.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix),r.uniformMatrix4fv(this._uViewNormalMatrix,!1,a.viewNormalMatrix),r.uniformMatrix4fv(this._uWorldNormalMatrix,!1,n.worldNormalMatrix);const m=i._sectionPlanesState.sectionPlanes.length;if(m>0){const e=i._sectionPlanesState.sectionPlanes,s=t.layerIndex*m,a=n.renderFlags;for(let t=0;t<m;t++){const n=this._uSectionPlanes[t];if(n){const i=a.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,i?1:0),i){const s=e[t];if(o){const e=N(s.dist,s.dir,o,Ac);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}r.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,t._state.positionsDecodeMatrix),this._aPosition.bindArrayBuffer(l.positionsBuf),this._aOffset.bindArrayBuffer(l.offsetsBuf),this._aNormal.bindArrayBuffer(l.normalsBuf),this._aColor.bindArrayBuffer(l.colorsBuf),this._aFlags.bindArrayBuffer(l.flagsBuf),this._aFlags2&&this._aFlags2.bindArrayBuffer(l.flags2Buf),l.indicesBuf.bind(),r.drawElements(r.TRIANGLES,l.indicesBuf.numItems,l.indicesBuf.itemType,0)}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ge(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uWorldMatrix=s.getLocation("worldMatrix"),this._uWorldNormalMatrix=s.getLocation("worldNormalMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uViewNormalMatrix=s.getLocation("viewNormalMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._aPosition=s.getAttribute("position"),this._aOffset=s.getAttribute("offset"),this._aNormal=s.getAttribute("normal"),this._aColor=s.getAttribute("color"),this._aFlags=s.getAttribute("flags"),this._aFlags2&&(this._aFlags2=s.getAttribute("flags2")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC"))}_bindProgram(){const e=this._scene,t=e.canvas.gl,s=e.camera.project;if(this._program.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,s.matrix),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("// Batched geometry normals vertex shader"),e.logarithmicDepthBufferEnabled&&ce.SUPPORTED_EXTENSIONS.EXT_frag_depth&&s.push("#extension GL_EXT_frag_depth : enable"),s.push("uniform int renderPass;"),s.push("attribute vec3 position;"),e.entityOffsetsEnabled&&s.push("attribute vec3 offset;"),s.push("attribute vec3 normal;"),s.push("attribute vec4 color;"),s.push("attribute vec4 flags;"),s.push("attribute vec4 flags2;"),s.push("uniform mat4 worldMatrix;"),s.push("uniform mat4 worldNormalMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform mat4 viewNormalMatrix;"),s.push("uniform mat4 positionsDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),ce.SUPPORTED_EXTENSIONS.EXT_frag_depth&&s.push("out float vFragDepth;"),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),s.push("varying float isPerspective;")),s.push("vec3 octDecode(vec2 oct) {"),s.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),s.push("    if (v.z < 0.0) {"),s.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),s.push("    }"),s.push("    return normalize(v);"),s.push("}"),t&&(s.push("out vec4 vWorldPosition;"),s.push("out vec4 vFlags2;")),s.push("out vec3 vViewNormal;"),s.push("void main(void) {"),s.push("if (int(flags.x) != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),s.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),s.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(s.push("      vWorldPosition  = worldPosition;"),s.push("      vFlags2         = flags2;")),s.push("      vViewNormal = viewNormal;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(ce.SUPPORTED_EXTENSIONS.EXT_frag_depth?s.push("vFragDepth = 1.0 + clipPos.w;"):(s.push("clipPos.z = log2( max( 1e-6, clipPos.w + 1.0 ) ) * logDepthBufFC - 1.0;"),s.push("clipPos.z *= clipPos.w;")),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s.push("gl_Position = clipPos;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("// Batched geometry normals fragment shader"),e.logarithmicDepthBufferEnabled&&ce.SUPPORTED_EXTENSIONS.EXT_frag_depth&&n.push("#extension GL_EXT_frag_depth : enable"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&ce.SUPPORTED_EXTENSIONS.EXT_frag_depth&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s){n.push("in vec4 vWorldPosition;"),n.push("in vec4 vFlags2;");for(let e=0;e<t.sectionPlanes.length;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("in vec3 vViewNormal;"),n.push("vec3 packNormalToRGB( const in vec3 normal ) {"),n.push("    return normalize( normal ) * 0.5 + 0.5;"),n.push("}"),n.push("void main(void) {"),s){n.push("  bool clippable = (float(vFlags2.x) > 0.0);"),n.push("  if (clippable) {"),n.push("      float dist = 0.0;");for(var i=0;i<t.sectionPlanes.length;i++)n.push("      if (sectionPlaneActive"+i+") {"),n.push("          dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),n.push("      }");n.push("      if (dist > 0.0) { discard; }"),n.push("  }")}return e.logarithmicDepthBufferEnabled&&ce.SUPPORTED_EXTENSIONS.EXT_frag_depth&&n.push("    gl_FragDepthEXT = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("    gl_FragColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Ic=h.vec3();class yc{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){const n=t.model,i=n.scene,a=i.camera,r=i.canvas.gl,l=t._state,o=t._state.origin;this._program||this._allocate(t),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),this._program.bindTexture(this._uTexturePerObjectIdPositionsDecodeMatrix,{bind:function(e){return r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,l.texturePerObjectIdPositionsDecodeMatrix),!0},unbind:function(e){r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,null)}},1),this._program.bindTexture(this._uTexturePerVertexIdCoordinates,{bind:function(e){return r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,l.texturePerVertexIdCoordinates),!0},unbind:function(e){r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,null)}},2),this._program.bindTexture(this._uTexturePerObjectIdColorsAndFlags,{bind:function(e){return r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,l.texturePerObjectIdColorsAndFlags),!0},unbind:function(e){r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,null)}},3),r.uniform1i(this._uRenderPass,s),r.uniform1i(this._uPickInvisible,e.pickInvisible),r.uniformMatrix4fv(this._uWorldMatrix,!1,n.worldMatrix);const c=e.pickViewMatrix||a.viewMatrix,u=o?B(c,o):c;if(r.uniformMatrix4fv(this._uViewMatrix,!1,u),r.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),i.logarithmicDepthBufferEnabled){const e=2/(Math.log(a.project.far+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,e)}const h=i._sectionPlanesState.sectionPlanes.length;if(h>0){const e=i._sectionPlanesState.sectionPlanes,s=t.layerIndex*h,a=n.renderFlags;for(let t=0;t<h;t++){const n=this._uSectionPlanes[t],i=a.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,i?1:0),i){const s=e[t];if(o){const e=N(s.dist,s.dir,o,Ic);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}l.numIndices8Bits>0&&(this._program.bindTexture(this._uTexturePerPolygonIdPortionIds,{bind:function(e){return r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,l.texturePerPolygonIdPortionIds8Bits),!0},unbind:function(e){r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,null)}},4),this._program.bindTexture(this._uTexturePerPolygonIdIndices,{bind:function(e){return r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,l.texturePerPolygonIdIndices8Bits),!0},unbind:function(e){r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,null)}},5),r.drawArrays(r.TRIANGLES,0,l.numIndices8Bits)),l.numIndices16Bits>0&&(this._program.bindTexture(this._uTexturePerPolygonIdPortionIds,{bind:function(e){return r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,l.texturePerPolygonIdPortionIds16Bits),!0},unbind:function(e){r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,null)}},4),this._program.bindTexture(this._uTexturePerPolygonIdIndices,{bind:function(e){return r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,l.texturePerPolygonIdIndices16Bits),!0},unbind:function(e){r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,null)}},5),r.drawArrays(r.TRIANGLES,0,l.numIndices16Bits)),l.numIndices32Bits>0&&(this._program.bindTexture(this._uTexturePerPolygonIdPortionIds,{bind:function(e){return r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,l.texturePerPolygonIdPortionIds32Bits),!0},unbind:function(e){r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,null)}},4),this._program.bindTexture(this._uTexturePerPolygonIdIndices,{bind:function(e){return r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,l.texturePerPolygonIdIndices32Bits),!0},unbind:function(e){r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,null)}},5),r.drawArrays(r.TRIANGLES,0,l.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ge(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uPickInvisible=s.getLocation("pickInvisible"),this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uWorldMatrix=s.getLocation("worldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._aPackedVertexId=s.getAttribute("packedVertexId"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds"}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("#version 300 es"),s.push("// Triangles dataTexture pick flat normals vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("precision highp usampler2D;"),s.push("precision highp isampler2D;"),s.push("precision highp sampler2D;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("precision mediump usampler2D;"),s.push("precision mediump isampler2D;"),s.push("precision mediump sampler2D;"),s.push("#endif"),s.push("uniform int renderPass;"),s.push("in uvec3 packedVertexId;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("uniform bool pickInvisible;"),s.push("uniform mat4 worldMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),s.push("uniform usampler2D uTexturePerObjectIdColorsAndFlags;"),s.push("uniform usampler2D uTexturePerVertexIdCoordinates;"),s.push("uniform usampler2D uTexturePerPolygonIdIndices;"),s.push("uniform isampler2D uTexturePerPolygonIdNormals;"),s.push("uniform usampler2D uTexturePerPolygonIdPortionIds;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),s.push("out float isPerspective;")),s.push("out vec4 vWorldPosition;"),t&&s.push("out int vFlags2;"),s.push("void main(void) {"),s.push("int polygonIndex = gl_VertexID / 3;"),s.push("int h_normal_index = polygonIndex & 4095;"),s.push("int v_normal_index = polygonIndex >> 12;"),s.push("int h_packed_object_id_index = ((polygonIndex >> 3) / 2) & 4095;"),s.push("int v_packed_object_id_index = ((polygonIndex >> 3) / 2) >> 12;"),s.push("ivec3 packedObjectId = ivec3(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).rgb);"),s.push("int objectIndex;"),s.push("if (((polygonIndex >> 3) % 2) == 0) {"),s.push("  objectIndex = (packedObjectId.r << 4) + (packedObjectId.g >> 4);"),s.push("} else {"),s.push("  objectIndex = ((packedObjectId.g & 15) << 8) + packedObjectId.b;"),s.push("}"),s.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),s.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),s.push("int h_index = polygonIndex & 4095;"),s.push("int v_index = polygonIndex >> 12;"),s.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),s.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),s.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),s.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),s.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("vec3 position1 = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),s.push("vec3 position2 = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),s.push("vec3 position3 = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),s.push("vec3 normal = normalize(cross(position3 - position1, position2 - position1));"),s.push("int vertexNumber = gl_VertexID % 3;"),s.push("vec3 position;"),s.push("if (vertexNumber == 0) position = position1;"),s.push("else if (vertexNumber == 1) position = position2;"),s.push("else position = position3;"),s.push("if (int(flags.w) != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("      vWorldPosition = worldPosition;"),t&&s.push("      vFlags2 = flags2.r;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s.push("gl_Position = clipPos;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// Triangles dataTexture pick flat normals fragment shader"),n.push("#extension GL_OES_standard_derivatives : enable"),e.logarithmicDepthBufferEnabled&&n.push("#extension GL_EXT_frag_depth : enable"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("in vec4 vWorldPosition;"),s){n.push("in int vFlags2;");for(var i=0;i<t.sectionPlanes.length;i++)n.push("uniform bool sectionPlaneActive"+i+";"),n.push("uniform vec3 sectionPlanePos"+i+";"),n.push("uniform vec3 sectionPlaneDir"+i+";")}if(n.push("out vec4 outNormal;"),n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0;"),n.push("  if (clippable) {"),n.push("      float dist = 0.0;");for(i=0;i<t.sectionPlanes.length;i++)n.push("      if (sectionPlaneActive"+i+") {"),n.push("          dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),n.push("      }");n.push("      if (dist > 0.0) { discard; }"),n.push("  }")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),n.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),n.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),n.push("  outNormal = vec4((worldNormal * 0.5) + 0.5, 1.0);"),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class mc{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorQualityRendererWithSAO&&!this._colorQualityRendererWithSAO.getValid()&&(this._colorQualityRendererWithSAO.destroy(),this._colorQualityRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._vertexDepthRenderer&&!this._vertexDepthRenderer.getValid()&&(this._vertexDepthRenderer.destroy(),this._vertexDepthRenderer=null),this._snapDepthBufInitRenderer&&!this._snapDepthBufInitRenderer.getValid()&&(this._snapDepthBufInitRenderer.destroy(),this._snapDepthBufInitRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new uo(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new uo(this._scene,!0)),this._colorRendererWithSAO}get colorQualityRendererWithSAO(){return this._colorQualityRendererWithSAO||(this._colorQualityRendererWithSAO=new TrianglesDataTextureColorQualityRenderer(this._scene,!0)),this._colorQualityRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new mo(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new cc(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new fc(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new bo(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new _o(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new xo(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new sc(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new yc(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new Go(this._scene)),this._pickDepthRenderer}get vertexDepthRenderer(){return this._vertexDepthRenderer||(this._vertexDepthRenderer=new Ko(this._scene)),this._vertexDepthRenderer}get snapDepthBufInitRenderer(){return this._snapDepthBufInitRenderer||(this._snapDepthBufInitRenderer=new ec(this._scene)),this._snapDepthBufInitRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new nc(this._scene)),this._occlusionRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorQualityRendererWithSAO&&this._colorQualityRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._vertexDepthRenderer&&this._vertexDepthRenderer.destroy(),this._snapDepthBufInitRenderer&&this._snapDepthBufInitRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy()}}const vc={};class wc{constructor(){this.positionsCompressed=[],this.metallicRoughness=[],this.indices8Bits=[],this.indices16Bits=[],this.indices32Bits=[],this.edgeIndices8Bits=[],this.edgeIndices16Bits=[],this.edgeIndices32Bits=[],this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perObjectEdgeIndexBaseOffsets=[],this.perTriangleNumberPortionId8Bits=[],this.perTriangleNumberPortionId16Bits=[],this.perTriangleNumberPortionId32Bits=[],this.perEdgeNumberPortionId8Bits=[],this.perEdgeNumberPortionId16Bits=[],this.perEdgeNumberPortionId32Bits=[]}}class gc{constructor(){this.texturePerObjectIdColorsAndFlags=null,this.texturePerObjectIdOffsets=null,this.texturePerObjectIdPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerPolygonIdPortionIds8Bits=null,this.texturePerPolygonIdPortionIds16Bits=null,this.texturePerPolygonIdPortionIds32Bits=null,this.texturePerEdgeIdPortionIds8Bits=null,this.texturePerEdgeIdPortionIds16Bits=null,this.texturePerEdgeIdPortionIds32Bits=null,this.texturePerPolygonIdIndices8Bits=null,this.texturePerPolygonIdIndices16Bits=null,this.texturePerPolygonIdIndices32Bits=null,this.texturePerPolygonIdEdgeIndices8Bits=null,this.texturePerPolygonIdEdgeIndices16Bits=null,this.texturePerPolygonIdEdgeIndices32Bits=null,this.textureModelMatrices=null}finalize(){this.indicesPerBitnessTextures={8:this.texturePerPolygonIdIndices8Bits,16:this.texturePerPolygonIdIndices16Bits,32:this.texturePerPolygonIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerPolygonIdPortionIds8Bits,16:this.texturePerPolygonIdPortionIds16Bits,32:this.texturePerPolygonIdPortionIds32Bits},this.edgeIndicesPerBitnessTextures={8:this.texturePerPolygonIdEdgeIndices8Bits,16:this.texturePerPolygonIdEdgeIndices16Bits,32:this.texturePerPolygonIdEdgeIndices32Bits},this.edgeIndicesPortionIdsPerBitnessTextures={8:this.texturePerEdgeIdPortionIds8Bits,16:this.texturePerEdgeIdPortionIds16Bits,32:this.texturePerEdgeIdPortionIds32Bits}}bindCommonTextures(e,t,s,n,i,a){this.texturePerObjectIdPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,s,2),this.texturePerObjectIdColorsAndFlags.bindTexture(e,n,3),this.textureModelMatrices.bindTexture(e,i,4),this.texturePerObjectIdOffsets.bindTexture(e,a,5)}bindPickCameraTexture(e,t){}bindTriangleIndicesTextures(e,t,s,n){this.indicesPortionIdsPerBitnessTextures[n].bindTexture(e,t,6),this.indicesPerBitnessTextures[n].bindTexture(e,s,7)}bindEdgeIndicesTextures(e,t,s,n){this.edgeIndicesPortionIdsPerBitnessTextures[n].bindTexture(e,t,6),this.edgeIndicesPerBitnessTextures[n].bindTexture(e,s,7)}}class Tc{constructor(e,t,s,n,i=null){this._gl=e,this._texture=t,this._textureWidth=s,this._textureHeight=n,this._textureData=i}bindTexture(e,t,s){return e.bindTexture(t,this,s)}bind(e){return this._gl.activeTexture(this._gl["TEXTURE"+e]),this._gl.bindTexture(this._gl.TEXTURE_2D,this._texture),!0}unbind(e){}}const Ec={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTextureEdgeIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalPolygons:0,totalPolygons8Bits:0,totalPolygons16Bits:0,totalPolygons32Bits:0,totalEdges:0,totalEdges8Bits:0,totalEdges16Bits:0,totalEdges32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(Ec,null,4));let e=0;Object.keys(Ec).forEach((t=>{t.startsWith("size")&&(e+=Ec[t])})),console.log(`Total size ${e} bytes (${(e/1e3/1e3).toFixed(2)} MB)`),console.log(`Avg bytes / triangle: ${(e/Ec.totalPolygons).toFixed(2)}`);let t={};Object.keys(Ec).forEach((s=>{s.startsWith("size")&&(t[s]=`${(Ec[s]/e*100).toFixed(2)} % of total`)})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};class bc{disableBindedTextureFiltering(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}generateCameraDataTexture(e,t,s,n){const i=e.createTexture();e.bindTexture(e.TEXTURE_2D,i),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,4,3),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null);const a=new Tc(e,i,4,3);let r=!0;a.updateViewMatrix=(s,i)=>{e.bindTexture(e.TEXTURE_2D,a._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,4,1,e.RGBA,e.FLOAT,new Float32Array(n?B(s,n):s)),e.texSubImage2D(e.TEXTURE_2D,0,0,1,4,1,e.RGBA,e.FLOAT,new Float32Array(t.viewNormalMatrix)),e.texSubImage2D(e.TEXTURE_2D,0,0,2,4,1,e.RGBA,e.FLOAT,new Float32Array(i))};const l=()=>{r&&(r=!1,a.updateViewMatrix(t.viewMatrix,t.project.matrix))};return t.on("matrix",(()=>r=!0)),s.on("rendering",l),l(),a}generatePickCameraDataTexture(e,t,s){const n=e.createTexture();e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,4,3),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null);const i=new Tc(e,n,4,3);return i.updateViewMatrix=(n,a)=>{e.bindTexture(e.TEXTURE_2D,i._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,4,1,e.RGBA,e.FLOAT,new Float32Array(s?B(n,s):n)),e.texSubImage2D(e.TEXTURE_2D,0,0,1,4,1,e.RGBA,e.FLOAT,new Float32Array(t.viewNormalMatrix)),e.texSubImage2D(e.TEXTURE_2D,0,0,2,4,1,e.RGBA,e.FLOAT,new Float32Array(a))},i}generateModelTexture(e,t){const s=e.createTexture();return e.bindTexture(e.TEXTURE_2D,s),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,4,2),e.texSubImage2D(e.TEXTURE_2D,0,0,0,4,1,e.RGBA,e.FLOAT,new Float32Array(t.worldMatrix)),e.texSubImage2D(e.TEXTURE_2D,0,0,1,4,1,e.RGBA,e.FLOAT,new Float32Array(t.worldNormalMatrix)),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Tc(e,s,4,2)}generateTextureForColorsAndFlags(e,t,s,n,i,a,r){const l=t.length;this.numPortions=l;const o=4096,c=Math.ceil(l/512);if(0===c)throw"texture height===0";const u=new Uint8Array(16384*c);Ec.sizeDataColorsAndFlags+=u.byteLength,Ec.numberOfTextures++;for(let e=0;e<l;e++)u.set(t[e],32*e+0),u.set(s[e],32*e+4),u.set([0,0,0,0],32*e+8),u.set([0,0,0,0],32*e+12),u.set([n[e]>>24&255,n[e]>>16&255,n[e]>>8&255,255&n[e]],32*e+16),u.set([i[e]>>24&255,i[e]>>16&255,i[e]>>8&255,255&i[e]],32*e+20),u.set([a[e]>>24&255,a[e]>>16&255,a[e]>>8&255,255&a[e]],32*e+24),u.set([r[e]?1:0,0,0,0],32*e+28);const h=e.createTexture();return e.bindTexture(e.TEXTURE_2D,h),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,o,c),e.texSubImage2D(e.TEXTURE_2D,0,0,0,o,c,e.RGBA_INTEGER,e.UNSIGNED_BYTE,u,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Tc(e,h,o,c,u)}generateTextureForObjectOffsets(e,t){const s=512,n=Math.ceil(t/s);if(0===n)throw"texture height===0";const i=new Float32Array(1536*n).fill(0);Ec.sizeDataTextureOffsets+=i.byteLength,Ec.numberOfTextures++;const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RGB,e.FLOAT,i,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Tc(e,a,s,n,i)}generateTextureForPositionsDecodeMatrices(e,t,s){const n=t.length;if(0===n)throw"num decode+entity matrices===0";const i=2048,a=Math.ceil(n/512),r=new Float32Array(8192*a);Ec.sizeDataPositionDecodeMatrices+=r.byteLength,Ec.numberOfTextures++;const l=h.mat4();for(let e=0;e<t.length;e++)r.set(h.mulMat4(s[e],t[e],l),16*e);const o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,i,a),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,a,e.RGBA,e.FLOAT,r,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Tc(e,o,i,a)}generateTextureFor8BitIndices(e,t){if(0===t.length)return{texture:null,textureHeight:0};const s=4096,n=Math.ceil(t.length/3/s);if(0===n)throw"texture height===0";const i=new Uint8Array(s*n*3);Ec.sizeDataTextureIndices+=i.byteLength,Ec.numberOfTextures++,i.fill(0),i.set(t,0);const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RGB_INTEGER,e.UNSIGNED_BYTE,i,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Tc(e,a,s,n)}generateTextureFor16BitIndices(e,t){if(0===t.length)return{texture:null,textureHeight:0};const s=4096,n=Math.ceil(t.length/3/s);if(0===n)throw"texture height===0";const i=new Uint16Array(s*n*3);Ec.sizeDataTextureIndices+=i.byteLength,Ec.numberOfTextures++,i.fill(0),i.set(t,0);const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RGB_INTEGER,e.UNSIGNED_SHORT,i,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Tc(e,a,s,n)}generateTextureFor32BitIndices(e,t){if(0===t.length)return{texture:null,textureHeight:0};const s=4096,n=Math.ceil(t.length/3/s);if(0===n)throw"texture height===0";const i=new Uint32Array(s*n*3);Ec.sizeDataTextureIndices+=i.byteLength,Ec.numberOfTextures++,i.fill(0),i.set(t,0);const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RGB_INTEGER,e.UNSIGNED_INT,i,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Tc(e,a,s,n)}generateTextureFor8BitsEdgeIndices(e,t){if(0===t.length)return{texture:null,textureHeight:0};const s=4096,n=Math.ceil(t.length/2/s);if(0===n)throw"texture height===0";const i=new Uint8Array(s*n*2);Ec.sizeDataTextureEdgeIndices+=i.byteLength,Ec.numberOfTextures++,i.fill(0),i.set(t,0);const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RG8UI,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RG_INTEGER,e.UNSIGNED_BYTE,i,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Tc(e,a,s,n)}generateTextureFor16BitsEdgeIndices(e,t){if(0===t.length)return{texture:null,textureHeight:0};const s=4096,n=Math.ceil(t.length/2/s);if(0===n)throw"texture height===0";const i=new Uint16Array(s*n*2);Ec.sizeDataTextureEdgeIndices+=i.byteLength,Ec.numberOfTextures++,i.fill(0),i.set(t,0);const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RG16UI,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RG_INTEGER,e.UNSIGNED_SHORT,i,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Tc(e,a,s,n)}generateTextureFor32BitsEdgeIndices(e,t){if(0===t.length)return{texture:null,textureHeight:0};const s=4096,n=Math.ceil(t.length/2/s);if(0===n)throw"texture height===0";const i=new Uint32Array(s*n*2);Ec.sizeDataTextureEdgeIndices+=i.byteLength,Ec.numberOfTextures++,i.fill(0),i.set(t,0);const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RG32UI,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RG_INTEGER,e.UNSIGNED_INT,i,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Tc(e,a,s,n)}generateTextureForPositions(e,t){const s=t.length/3,n=4096,i=Math.ceil(s/n);if(0===i)throw"texture height===0";const a=new Uint16Array(n*i*3);Ec.sizeDataTexturePositions+=a.byteLength,Ec.numberOfTextures++,a.fill(0),a.set(t,0);const r=e.createTexture();return e.bindTexture(e.TEXTURE_2D,r),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,n,i),e.texSubImage2D(e.TEXTURE_2D,0,0,0,n,i,e.RGB_INTEGER,e.UNSIGNED_SHORT,a,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Tc(e,r,n,i)}generateTextureForPackedPortionIds(e,t){if(0===t.length)return{texture:null,textureHeight:0};const s=t.length,n=4096,i=Math.ceil(s/n);if(0===i)throw"texture height===0";const a=new Uint16Array(n*i);a.set(t,0),Ec.sizeDataTexturePortionIds+=a.byteLength,Ec.numberOfTextures++;const r=e.createTexture();return e.bindTexture(e.TEXTURE_2D,r),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,n,i),e.texSubImage2D(e.TEXTURE_2D,0,0,0,n,i,e.RED_INTEGER,e.UNSIGNED_SHORT,a,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Tc(e,r,n,i)}}const Dc=h.vec4([0,0,0,1]),Pc=h.vec4([0,0,0,1]),Rc=h.vec4([0,0,0,1]),Cc=new Uint8Array(4),_c=new Float32Array(3),Bc=h.AABB3();let Oc=0;const Sc=h.identityMat4();class Nc{constructor(e,t){Ec.numberOfLayers++,this._layerNumber=Oc++,this.sortId=`TriDTX-${this._layerNumber}`,this.layerIndex=t.layerIndex,this._dataTextureRenderers=function(e){const t=e.id;let s=vc[t];return s||(s=new mc(e),vc[t]=s,s._compile(),e.on("compile",(()=>{s._compile()})),e.on("destroyed",(()=>{delete vc[t],s._destroy()}))),s}(e.scene),this.model=e,this._buffer=new wc,this._dataTextureState=new gc,this._dataTextureGenerator=new bc,this._state=new je({origin:h.vec3(t.origin),metallicRoughnessBuf:null,positionsDecodeMatrix:h.mat4(),textureState:this._dataTextureState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numEdgeIndices8Bits:0,numEdgeIndices16Bits:0,numEdgeIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this._portionToSubPortionsMap=[],this._bucketGeometries={},this.aabb=h.collapseAABB3(),this._numUpdatesInFrame=0,this._finalized=!1}canCreatePortion(e){if(this._finalized)throw"Already finalized";const t=e.buckets.length;this._numPortions+t>65536&&Ec.cannotCreatePortion.because10BitsObjectId++;let s=this._numPortions+t<=65536;const n=void 0!==e.geometryId&&null!==e.geometryId?`${e.geometryId}#0`:`${e.id}#0`;if(!this._bucketGeometries[n]){const t=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits);let n=0,i=0;e.buckets.forEach((e=>{n+=e.positionsCompressed.length/3,i+=e.indices.length/3})),(this._state.numVertices+n>16777216||t+i>16777216)&&Ec.cannotCreatePortion.becauseTextureSize++,s&&=this._state.numVertices+n<=16777216&&t+i<=16777216}return s}createPortion(e){if(this._finalized)throw"Already finalized";const t=[],s=e.worldAABB;e.buckets.forEach(((n,i)=>{const a=void 0!==e.geometryId&&null!==e.geometryId?`${e.geometryId}#${i}`:`${e.id}#${i}`;let r=this._bucketGeometries[a];r||(r=this._createBucketGeometry(e,n),this._bucketGeometries[a]=r);const l=h.collapseAABB3(Bc),o=this._createSubPortion(e,r,n,l);h.expandAABB3(s,l),t.push(o)}));const n=this._state.origin;0===n[0]&&0===n[1]&&0===n[2]||(s[0]+=n[0],s[1]+=n[1],s[2]+=n[2],s[3]+=n[0],s[4]+=n[1],s[5]+=n[2]),h.expandAABB3(this.aabb,s);const i=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(t),this.model.numPortions++,i}_createBucketGeometry(e,t){if(t.indices){const e=8*Math.ceil(t.indices.length/3/8)*3;Ec.overheadSizeAlignementIndices+=2*(e-t.indices.length);const s=new Uint32Array(e);s.fill(0),s.set(t.indices),t.indices=s}if(t.edgeIndices){const e=8*Math.ceil(t.edgeIndices.length/2/8)*2;Ec.overheadSizeAlignementEdgeIndices+=2*(e-t.edgeIndices.length);const s=new Uint32Array(e);s.fill(0),s.set(t.edgeIndices),t.edgeIndices=s}const s=t.positionsCompressed,n=t.indices,i=t.edgeIndices,a=this._buffer,r=a.positionsCompressed.length/3,l=s.length/3;for(let e=0,t=s.length;e<t;e++)a.positionsCompressed.push(s[e]);let o,c,u=0;if(n){let e;u=n.length/3,e=l<=256?a.indices8Bits:l<=65536?a.indices16Bits:a.indices32Bits,o=e.length/3;for(let t=0,s=n.length;t<s;t++)e.push(n[t])}let p=0;if(i){let e;p=i.length/2,e=l<=256?a.edgeIndices8Bits:l<=65536?a.edgeIndices16Bits:a.edgeIndices32Bits,c=e.length/2;for(let t=0,s=i.length;t<s;t++)e.push(i[t])}this._state.numVertices+=l,Ec.numberOfGeometries++;const A=h.collapseAABB3();h.expandAABB3Points3(A,t.positionsCompressed),gt.decompressAABB(A,e.positionsDecodeMatrix);return{vertexBase:r,numVertices:l,numTriangles:u,numEdges:p,indicesBase:o,edgeIndicesBase:c,aabb:A,obb:null}}_createSubPortion(e,t,s,n){const i=e.color;e.metallic,e.roughness;const a=e.colors,r=e.opacity,l=e.meshMatrix,o=e.sceneModelMatrix,c=e.pickColor,u=this._buffer,p=this._state;if(u.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),u.perObjectInstancePositioningMatrices.push(l||Sc),l||o){t.obb||(t.obb=h.AABB3ToOBB3(t.aabb));const e=t.obb;for(let t=0,s=e.length;t<s;t+=4)Dc[0]=e[t+0],Dc[1]=e[t+1],Dc[2]=e[t+2],Dc[3]=1,l&&h.transformPoint4(l,Dc,Pc),o?(h.transformPoint4(o,Pc,Rc),h.expandAABB3Point3(n,Rc)):h.expandAABB3Point3(n,Pc)}else h.expandAABB3(n,t.aabb);u.perObjectSolid.push(!!e.solid),a?u.perObjectColors.push([255*a[0],255*a[1],255*a[2],255]):i&&u.perObjectColors.push([i[0],i[1],i[2],r]),u.perObjectPickColors.push(c),u.perObjectVertexBases.push(t.vertexBase);{let e;e=t.numVertices<=256?p.numIndices8Bits:t.numVertices<=65536?p.numIndices16Bits:p.numIndices32Bits,u.perObjectIndexBaseOffsets.push(e/3-t.indicesBase)}{let e;e=t.numVertices<=256?p.numEdgeIndices8Bits:t.numVertices<=65536?p.numEdgeIndices16Bits:p.numEdgeIndices32Bits,u.perObjectEdgeIndexBaseOffsets.push(e/2-t.edgeIndicesBase)}const A=this._subPortions.length;if(t.numTriangles>0){let e,s=3*t.numTriangles;t.numVertices<=256?(e=u.perTriangleNumberPortionId8Bits,p.numIndices8Bits+=s,Ec.totalPolygons8Bits+=t.numTriangles):t.numVertices<=65536?(e=u.perTriangleNumberPortionId16Bits,p.numIndices16Bits+=s,Ec.totalPolygons16Bits+=t.numTriangles):(e=u.perTriangleNumberPortionId32Bits,p.numIndices32Bits+=s,Ec.totalPolygons32Bits+=t.numTriangles),Ec.totalPolygons+=t.numTriangles;for(let s=0;s<t.numTriangles;s+=8)e.push(A)}if(t.numEdges>0){let e,s=2*t.numEdges;t.numVertices<=256?(e=u.perEdgeNumberPortionId8Bits,p.numEdgeIndices8Bits+=s,Ec.totalEdges8Bits+=t.numEdges):t.numVertices<=65536?(e=u.perEdgeNumberPortionId16Bits,p.numEdgeIndices16Bits+=s,Ec.totalEdges16Bits+=t.numEdges):(e=u.perEdgeNumberPortionId32Bits,p.numEdgeIndices32Bits+=s,Ec.totalEdges32Bits+=t.numEdges),Ec.totalEdges+=t.numEdges;for(let s=0;s<t.numEdges;s+=8)e.push(A)}return this._subPortions.push({numVertices:t.numTriangles}),this._numPortions++,Ec.numberOfPortions++,A}finalize(){if(this._finalized)return;const e=this._state,t=this._dataTextureState,s=this.model.scene.canvas.gl,n=this._buffer;e.gl=s,t.texturePerObjectIdColorsAndFlags=this._dataTextureGenerator.generateTextureForColorsAndFlags(s,n.perObjectColors,n.perObjectPickColors,n.perObjectVertexBases,n.perObjectIndexBaseOffsets,n.perObjectEdgeIndexBaseOffsets,n.perObjectSolid),t.texturePerObjectIdOffsets=this._dataTextureGenerator.generateTextureForObjectOffsets(s,this._numPortions),t.texturePerObjectIdPositionsDecodeMatrix=this._dataTextureGenerator.generateTextureForPositionsDecodeMatrices(s,n.perObjectPositionsDecodeMatrices,n.perObjectInstancePositioningMatrices),t.texturePerVertexIdCoordinates=this._dataTextureGenerator.generateTextureForPositions(s,n.positionsCompressed),t.texturePerPolygonIdPortionIds8Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(s,n.perTriangleNumberPortionId8Bits),t.texturePerPolygonIdPortionIds16Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(s,n.perTriangleNumberPortionId16Bits),t.texturePerPolygonIdPortionIds32Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(s,n.perTriangleNumberPortionId32Bits),n.perEdgeNumberPortionId8Bits.length>0&&(t.texturePerEdgeIdPortionIds8Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(s,n.perEdgeNumberPortionId8Bits)),n.perEdgeNumberPortionId16Bits.length>0&&(t.texturePerEdgeIdPortionIds16Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(s,n.perEdgeNumberPortionId16Bits)),n.perEdgeNumberPortionId32Bits.length>0&&(t.texturePerEdgeIdPortionIds32Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(s,n.perEdgeNumberPortionId32Bits)),n.indices8Bits.length>0&&(t.texturePerPolygonIdIndices8Bits=this._dataTextureGenerator.generateTextureFor8BitIndices(s,n.indices8Bits)),n.indices16Bits.length>0&&(t.texturePerPolygonIdIndices16Bits=this._dataTextureGenerator.generateTextureFor16BitIndices(s,n.indices16Bits)),n.indices32Bits.length>0&&(t.texturePerPolygonIdIndices32Bits=this._dataTextureGenerator.generateTextureFor32BitIndices(s,n.indices32Bits)),n.edgeIndices8Bits.length>0&&(t.texturePerPolygonIdEdgeIndices8Bits=this._dataTextureGenerator.generateTextureFor8BitsEdgeIndices(s,n.edgeIndices8Bits)),n.edgeIndices16Bits.length>0&&(t.texturePerPolygonIdEdgeIndices16Bits=this._dataTextureGenerator.generateTextureFor16BitsEdgeIndices(s,n.edgeIndices16Bits)),n.edgeIndices32Bits.length>0&&(t.texturePerPolygonIdEdgeIndices32Bits=this._dataTextureGenerator.generateTextureFor32BitsEdgeIndices(s,n.edgeIndices32Bits)),this.model._modelMatricesTexture||(this.model._modelMatricesTexture=this._dataTextureGenerator.generateModelTexture(s,this.model)),t.textureModelMatrices=this.model._modelMatricesTexture,t.cameraTexture=this._dataTextureGenerator.generateCameraDataTexture(this.model.scene.canvas.gl,this.model.scene.camera,this.model.scene,this._state.origin.slice()),t.textureCameraMatrices=t.cameraTexture,t.texturePickCameraMatrices=this._dataTextureGenerator.generatePickCameraDataTexture(this.model.scene.canvas.gl,this.model.scene.camera,this._state.origin.slice()),t.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(()=>{this._deferredSetFlagsDirty&&this._uploadDeferredFlags(),this._numUpdatesInFrame=0}))}isEmpty(){return 0===this._numPortions}initFlags(e,t,s){t&x&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&G&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&U&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&V&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&F&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&j&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&M&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&L&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),s&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,s,true),this._setFlags2(e,t,true)}flushInitFlags(){this._setDeferredFlags(),this._setDeferredFlags2()}setVisible(e,t,s){if(!this._finalized)throw"Not finalized";t&x?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,s)}setHighlighted(e,t,s){if(!this._finalized)throw"Not finalized";t&G?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,s)}setXRayed(e,t,s){if(!this._finalized)throw"Not finalized";t&U?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,s)}setSelected(e,t,s){if(!this._finalized)throw"Not finalized";t&V?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,s)}setEdges(e,t,s){if(!this._finalized)throw"Not finalized";t&j?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,s)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&F?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}_beginDeferredFlags(){this._deferredSetFlagsActive=!0}_uploadDeferredFlags(){if(this._deferredSetFlagsActive=!1,!this._deferredSetFlagsDirty)return;this._deferredSetFlagsDirty=!1;const e=this.model.scene.canvas.gl,t=this._dataTextureState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectIdColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectIdColorsAndFlags._textureWidth,t.texturePerObjectIdColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectIdColorsAndFlags._textureData),e.bindTexture(e.TEXTURE_2D,t.texturePerObjectIdOffsets._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectIdOffsets._textureWidth,t.texturePerObjectIdOffsets._textureHeight,e.RGB,e.FLOAT,t.texturePerObjectIdOffsets._textureData)}setCulled(e,t,s){if(!this._finalized)throw"Not finalized";t&L?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,s)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,s){if(!this._finalized)throw"Not finalized";t&M?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,s)}setColor(e,t){const s=this._portionToSubPortionsMap[e];for(let e=0,n=s.length;e<n;e++)this._subPortionSetColor(s[e],t)}_subPortionSetColor(e,t){if(!this._finalized)throw"Not finalized";const s=this._dataTextureState,n=this.model.scene.canvas.gl;Cc[0]=t[0],Cc[1]=t[1],Cc[2]=t[2],Cc[3]=t[3],s.texturePerObjectIdColorsAndFlags._textureData.set(Cc,32*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),n.bindTexture(n.TEXTURE_2D,s.texturePerObjectIdColorsAndFlags._texture),n.texSubImage2D(n.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,n.RGBA_INTEGER,n.UNSIGNED_BYTE,Cc))}setTransparent(e,t,s){s?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,s)}_setFlags(e,t,s,n=!1){const i=this._portionToSubPortionsMap[e];for(let e=0,a=i.length;e<a;e++)this._subPortionSetFlags(i[e],t,s,n)}_subPortionSetFlags(e,t,s,n=!1){if(!this._finalized)throw"Not finalized";const i=!!(t&x),a=!!(t&U),r=!!(t&G),l=!!(t&V),o=!!(t&L);let c,u;c=!i||o||a?Ri.NOT_RENDERED:s?Ri.COLOR_TRANSPARENT:Ri.COLOR_OPAQUE,u=!i||o?Ri.NOT_RENDERED:l?Ri.SILHOUETTE_SELECTED:r?Ri.SILHOUETTE_HIGHLIGHTED:a?Ri.SILHOUETTE_XRAYED:Ri.NOT_RENDERED;let h=0;h=!i||o?Ri.NOT_RENDERED:l?Ri.EDGES_SELECTED:r?Ri.EDGES_HIGHLIGHTED:a?Ri.EDGES_XRAYED:!!(t&j)?s?Ri.EDGES_COLOR_TRANSPARENT:Ri.EDGES_COLOR_OPAQUE:Ri.NOT_RENDERED;let p=i&&!!(t&M)?Ri.PICK:Ri.NOT_RENDERED;const A=this._dataTextureState,d=this.model.scene.canvas.gl;Cc[0]=c,Cc[1]=u,Cc[2]=h,Cc[3]=p,A.texturePerObjectIdColorsAndFlags._textureData.set(Cc,32*e+8),this._deferredSetFlagsActive||n?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),d.bindTexture(d.TEXTURE_2D,A.texturePerObjectIdColorsAndFlags._texture),d.texSubImage2D(d.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,d.RGBA_INTEGER,d.UNSIGNED_BYTE,Cc))}_setDeferredFlags(){}_setFlags2(e,t,s=!1){const n=this._portionToSubPortionsMap[e];for(let e=0,i=n.length;e<i;e++)this._subPortionSetFlags2(n[e],t,s)}_subPortionSetFlags2(e,t,s=!1){if(!this._finalized)throw"Not finalized";const n=t&F?255:0,i=this._dataTextureState,a=this.model.scene.canvas.gl;Cc[0]=n,Cc[1]=0,Cc[2]=1,Cc[3]=2,i.texturePerObjectIdColorsAndFlags._textureData.set(Cc,32*e+12),this._deferredSetFlagsActive||s?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),a.bindTexture(a.TEXTURE_2D,i.texturePerObjectIdColorsAndFlags._texture),a.texSubImage2D(a.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,a.RGBA_INTEGER,a.UNSIGNED_BYTE,Cc))}_setDeferredFlags2(){}setOffset(e,t){const s=this._portionToSubPortionsMap[e];for(let e=0,n=s.length;e<n;e++)this._subPortionSetOffset(s[e],t)}_subPortionSetOffset(e,t){if(!this._finalized)throw"Not finalized";const s=this._dataTextureState,n=this.model.scene.canvas.gl;_c[0]=t[0],_c[1]=t[1],_c[2]=t[2],s.texturePerObjectIdOffsets._textureData.set(_c,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),n.bindTexture(n.TEXTURE_2D,s.texturePerObjectIdOffsets._texture),n.texSubImage2D(n.TEXTURE_2D,0,0,e,1,1,n.RGB,n.FLOAT,_c))}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.withSAO&&this.model.saoEnabled?this._dataTextureRenderers.colorRendererWithSAO&&this._dataTextureRenderers.colorRendererWithSAO.drawLayer(t,this,Ri.COLOR_OPAQUE):this._dataTextureRenderers.colorRenderer&&this._dataTextureRenderers.colorRenderer.drawLayer(t,this,Ri.COLOR_OPAQUE))}_updateBackfaceCull(e,t){const s=this.model.backfaces||e.sectioned;if(t.backfaces!==s){const e=t.gl;s?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=s}}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.colorRenderer&&this._dataTextureRenderers.colorRenderer.drawLayer(t,this,Ri.COLOR_TRANSPARENT))}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.depthRenderer&&this._dataTextureRenderers.depthRenderer.drawLayer(t,this,Ri.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.normalsRenderer&&this._dataTextureRenderers.normalsRenderer.drawLayer(t,this,Ri.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.silhouetteRenderer&&this._dataTextureRenderers.silhouetteRenderer.drawLayer(t,this,Ri.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.silhouetteRenderer&&this._dataTextureRenderers.silhouetteRenderer.drawLayer(t,this,Ri.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.silhouetteRenderer&&this._dataTextureRenderers.silhouetteRenderer.drawLayer(t,this,Ri.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._dataTextureRenderers.edgesColorRenderer&&this._dataTextureRenderers.edgesColorRenderer.drawLayer(t,this,Ri.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._dataTextureRenderers.edgesColorRenderer&&this._dataTextureRenderers.edgesColorRenderer.drawLayer(t,this,Ri.EDGES_COLOR_TRANSPARENT)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._dataTextureRenderers.edgesRenderer&&this._dataTextureRenderers.edgesRenderer.drawLayer(t,this,Ri.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._dataTextureRenderers.edgesRenderer&&this._dataTextureRenderers.edgesRenderer.drawLayer(t,this,Ri.EDGES_SELECTED)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._dataTextureRenderers.edgesRenderer&&this._dataTextureRenderers.edgesRenderer.drawLayer(t,this,Ri.EDGES_XRAYED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.occlusionRenderer&&this._dataTextureRenderers.occlusionRenderer.drawLayer(t,this,Ri.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.shadowRenderer&&this._dataTextureRenderers.shadowRenderer.drawLayer(t,this,Ri.COLOR_OPAQUE))}setPickMatrices(e,t){0!==this._numVisibleLayerPortions&&this._dataTextureState.texturePickCameraMatrices.updateViewMatrix(e,t)}drawPickMesh(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.pickMeshRenderer&&this._dataTextureRenderers.pickMeshRenderer.drawLayer(t,this,Ri.PICK))}drawPickDepths(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.pickDepthRenderer&&this._dataTextureRenderers.pickDepthRenderer.drawLayer(t,this,Ri.PICK))}drawSnapInitDepthBuf(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.snapDepthBufInitRenderer&&this._dataTextureRenderers.snapDepthBufInitRenderer.drawLayer(t,this,Ri.PICK))}drawSnapDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.vertexDepthRenderer&&this._dataTextureRenderers.vertexDepthRenderer.drawLayer(t,this,Ri.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.pickNormalsRenderer&&this._dataTextureRenderers.pickNormalsRenderer.drawLayer(t,this,Ri.PICK))}destroy(){if(this._destroyed)return;const e=this._state;e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}const xc=h.vec3();h.mat4();const Lc=h.vec3([1,1,1]),Mc=h.vec3([0,0,0]),Fc=h.vec3([0,0,0]),Hc=h.identityQuaternion(),Uc=h.identityMat4(),Gc=new Uint8Array([255,255,255]);class Vc extends C{constructor(e,t={}){super(e,t),this._dtxEnabled=this.scene.dtxEnabled&&!1!==t.dtxEnabled,this._enableVertexWelding=!1,this._enableIndexBucketing=!0,this._vboBatchingLayerScratchMemory=(Pi++,Di),this._textureTranscoder=t.textureTranscoder||Yl(this.scene.viewer),this._maxGeometryBatchSize=t.maxGeometryBatchSize,this._aabb=h.collapseAABB3(),this._aabbDirty=!0,this._quantizationRanges={},this._vboInstancingLayers={},this._vboBatchingLayers={},this._dtxLayers={},this._meshList=[],this.layerList=[],this._entityList=[],this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._meshes={},this._entities={},this._scheduledMeshes={},this.renderFlags=new Qs,this.numGeometries=0,this.numPortions=0,this.numVisibleLayerPortions=0,this.numTransparentLayerPortions=0,this.numXRayedLayerPortions=0,this.numHighlightedLayerPortions=0,this.numSelectedLayerPortions=0,this.numEdgesLayerPortions=0,this.numPickableLayerPortions=0,this.numClippableLayerPortions=0,this.numCulledLayerPortions=0,this.numEntities=0,this._numTriangles=0,this._numLines=0,this._numPoints=0,this._edgeThreshold=t.edgeThreshold||10,this._origin=h.vec3(t.origin||[0,0,0]),this._position=h.vec3(t.position||[0,0,0]),this._rotation=h.vec3(t.rotation||[0,0,0]),this._quaternion=h.vec4(t.quaternion||[0,0,0,1]),this._conjugateQuaternion=h.vec4(t.quaternion||[0,0,0,1]),t.rotation&&h.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._scale=h.vec3(t.scale||[1,1,1]),this._worldRotationMatrix=h.mat4(),this._worldRotationMatrixConjugate=h.mat4(),this._matrix=h.mat4(),this._matrixDirty=!0,this._rebuildMatrices(),this._worldNormalMatrix=h.mat4(),h.inverseMat4(this._matrix,this._worldNormalMatrix),h.transposeMat4(this._worldNormalMatrix),(t.matrix||t.position||t.rotation||t.scale||t.quaternion)&&(this._viewMatrix=h.mat4(),this._viewNormalMatrix=h.mat4(),this._viewMatrixDirty=!0,this._matrixNonIdentity=!0),this._opacity=1,this._colorize=[1,1,1],this._saoEnabled=!1!==t.saoEnabled,this._pbrEnabled=!1!==t.pbrEnabled,this._colorTextureEnabled=!1!==t.colorTextureEnabled,this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this._onCameraViewMatrix=this.scene.camera.on("matrix",(()=>{this._viewMatrixDirty=!0})),this.scene.vfc.enabled&&(this._vfcManager=this.scene.vfc.getVFCManager(this)),this._createDefaultTextureSet(),this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.colorize=t.colorize,this.opacity=t.opacity,this.backfaces=t.backfaces}_createDefaultTextureSet(){const e=new Fl({id:"defaultColorTexture",texture:new Cn({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})}),t=new Fl({id:"defaultMetalRoughTexture",texture:new Cn({gl:this.scene.canvas.gl,preloadColor:[0,1,1,1]})}),s=new Fl({id:"defaultNormalsTexture",texture:new Cn({gl:this.scene.canvas.gl,preloadColor:[0,0,0,0]})}),n=new Fl({id:"defaultEmissiveTexture",texture:new Cn({gl:this.scene.canvas.gl,preloadColor:[0,0,0,1]})}),i=new Fl({id:"defaultOcclusionTexture",texture:new Cn({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})});this._textures.defaultColorTexture=e,this._textures.defaultMetalRoughTexture=t,this._textures.defaultNormalsTexture=s,this._textures.defaultEmissiveTexture=n,this._textures.defaultOcclusionTexture=i,this._textureSets.defaultTextureSet=new Ml({id:"defaultTextureSet",model:this,colorTexture:e,metallicRoughnessTexture:t,normalsTexture:s,emissiveTexture:n,occlusionTexture:i})}get isPerformanceModel(){return!0}get objects(){return this._entities}get origin(){return this._origin}set position(e){this._position.set(e||[0,0,0]),this._setWorldMatrixDirty(),this._setWorldAABBDirty(),this.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),h.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setWorldMatrixDirty(),this._setWorldAABBDirty(),this.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),h.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setWorldMatrixDirty(),this._setWorldAABBDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set scale(e){}get scale(){return this._scale}set matrix(e){this._matrix.set(e||Uc),h.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),h.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),h.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),h.translateMat4v(this._position,this._matrix),this._matrixDirty=!1,this._setWorldMatrixDirty(),this._setWorldAABBDirty(),this.glRedraw()}get matrix(){return this._matrixDirty&&this._rebuildMatrices(),this._matrix}get rotationMatrix(){return this._matrixDirty&&this._rebuildMatrices(),this._worldRotationMatrix}_rebuildMatrices(){this._matrixDirty&&(h.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),h.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),h.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),h.translateMat4v(this._position,this._matrix),this._matrixDirty=!1)}get rotationMatrixConjugate(){return this._matrixDirty&&this._rebuildMatrices(),this._worldRotationMatrixConjugate}_setWorldMatrixDirty(){this._matrixDirty=!0}_setLocalAABBDirty(){for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._setLocalAABBDirty()}_setWorldAABBDirty(){this._aabbDirty=!0,this.scene._aabbDirty=!0,this._matrixDirty=!0;for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._setWorldAABBDirty()}get worldMatrix(){return this.matrix}get worldNormalMatrix(){return this._worldNormalMatrix}get viewMatrix(){return this._viewMatrix?(this._matrixDirty&&(this._rebuildMatrices(),this._viewMatrixDirty=!0),this._viewMatrixDirty&&(h.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),h.inverseMat4(this._viewMatrix,this._viewNormalMatrix),h.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1),this._viewMatrix):this.scene.camera.viewMatrix}get viewNormalMatrix(){return this._viewNormalMatrix?(this._matrixDirty&&(this._rebuildMatrices(),this._viewMatrixDirty=!0),this._viewMatrixDirty&&(h.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),h.inverseMat4(this._viewMatrix,this._viewNormalMatrix),h.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1),h.inverseMat4(this._viewMatrix,this._viewNormalMatrix),h.transposeMat4(this._viewNormalMatrix),this._viewNormalMatrix):this.scene.camera.viewNormalMatrix}get backfaces(){return this._backfaces}set backfaces(e){e=!!e,this._backfaces=e,this.glRedraw()}get entityList(){return this._entityList}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return!1}get aabb(){if(this._aabbDirty){h.collapseAABB3(this._aabb);for(let e=0,t=this._entityList.length;e<t;e++)h.expandAABB3(this._aabb,this._entityList[e].aabb);this._aabbDirty=!1}return this._aabb}get numTriangles(){return this._numTriangles}get numLines(){return this._numLines}get numPoints(){return this._numPoints}get visible(){return this.numVisibleLayerPortions>0}set visible(e){e=!1!==e,this._visible=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].visible=e;this.glRedraw()}get xrayed(){return this.numXRayedLayerPortions>0}set xrayed(e){e=!!e,this._xrayed=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].xrayed=e;this.glRedraw()}get highlighted(){return this.numHighlightedLayerPortions>0}set highlighted(e){e=!!e,this._highlighted=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].highlighted=e;this.glRedraw()}get selected(){return this.numSelectedLayerPortions>0}set selected(e){e=!!e,this._selected=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].selected=e;this.glRedraw()}get edges(){return this.numEdgesLayerPortions>0}set edges(e){e=!!e,this._edges=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].edges=e;this.glRedraw()}get culled(){return this._culled}set culled(e){e=!!e,this._culled=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].culled=e;this.glRedraw()}get clippable(){return this._clippable}set clippable(e){e=!1!==e,this._clippable=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].clippable=e;this.glRedraw()}get collidable(){return this._collidable}set collidable(e){e=!1!==e,this._collidable=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].collidable=e}get pickable(){return this.numPickableLayerPortions>0}set pickable(e){e=!1!==e,this._pickable=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].pickable=e}get colorize(){return this._colorize}set colorize(e){this._colorize=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].colorize=e}get opacity(){return this._opacity}set opacity(e){this._opacity=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].opacity=e}get castsShadow(){return this._castsShadow}set castsShadow(e){(e=!1!==e)!==this._castsShadow&&(this._castsShadow=e,this.glRedraw())}get receivesShadow(){return this._receivesShadow}set receivesShadow(e){(e=!1!==e)!==this._receivesShadow&&(this._receivesShadow=e,this.glRedraw())}get saoEnabled(){return this._saoEnabled}get pbrEnabled(){return this._pbrEnabled}get colorTextureEnabled(){return this._colorTextureEnabled}get isDrawable(){return!0}get isStateSortable(){return!1}get xrayMaterial(){return this.scene.xrayMaterial}get highlightMaterial(){return this.scene.highlightMaterial}get selectedMaterial(){return this.scene.selectedMaterial}get edgeMaterial(){return this.scene.edgeMaterial}getPickViewMatrix(e){return this._viewMatrix?this._viewMatrix:e}createQuantizationRange(e){void 0!==e.id&&null!==e.id?e.aabb?this.error("[createQuantizationRange] Config missing: aabb"):this._quantizationRanges[e.id]?this.error("[createQuantizationRange] QuantizationRange already created: "+e.id):this._quantizationRanges[e.id]={id:e.id,aabb:e.aabb,matrix:ha(e.aabb,h.mat4())}:this.error("[createQuantizationRange] Config missing: id")}createGeometry(e){if(void 0!==e.id&&null!==e.id)if(this._geometries[e.id])this.error("[createGeometry] Geometry already created: "+e.id);else if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"===e.primitive||"lines"===e.primitive||"triangles"===e.primitive||"solid"===e.primitive||"surface"===e.primitive){if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("[createGeometry] Param expected: `positions`,  `positionsCompressed' or 'buckets"),null;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("[createGeometry] Param expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.positionsDecodeMatrix&&e.positionsDecodeBoundary)return this.error("[createGeometry] Only one of these params expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("[createGeometry] Param expected: `uvDecodeMatrix` (required for `uvCompressed')"),null;if(!e.buckets&&!e.indices&&"points"!==e.primitive)return this.error(`[createGeometry] Param expected: indices (required for '${e.primitive}' primitive type)`),null;if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=ha(e.positionsDecodeBoundary,h.mat4())),e.positions){const t=h.collapseAABB3();e.positionsDecodeMatrix=h.mat4(),h.expandAABB3Points3(t,e.positions),e.positionsCompressed=ua(e.positions,t,e.positionsDecodeMatrix)}else e.positionsDecodeMatrix=new Float64Array(e.positionsDecodeMatrix),e.positionsCompressed=new Uint16Array(e.positionsCompressed);if(e.colorsCompressed&&e.colorsCompressed.length>0)e.colorsCompressed=new Uint8Array(e.colorsCompressed);else if(e.colors&&e.colors.length>0){const t=e.colors,s=new Uint8Array(t.length);for(let e=0,n=t.length;e<n;e++)s[e]=255*t[e];e.colorsCompressed=s}if(e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=dt(e.positions,e.indices,null,5):e.edgeIndices=dt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.buckets&&(this._dtxBuckets[e.id]=e.buckets),e.uv){const t=gt.getUVBounds(e.uv),s=gt.compressUVs(e.uv,t.min,t.max);e.uvCompressed=s.quantized,e.uvDecodeMatrix=s.decodeMatrix}else e.uvCompressed&&(e.uvCompressed=new Uint16Array(e.uvCompressed),e.uvDecodeMatrix=new Float64Array(e.uvDecodeMatrix));e.normals&&(e.normals=null),this._geometries[e.id]=e,this._numTriangles+=e.indices?Math.round(e.indices.length/3):0,this.numGeometries++}else this.error(`[createGeometry] Unsupported value for 'primitive': '${primitive}' - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'. Defaulting to 'triangles'.`);else this.error("[createGeometry] Config missing: id")}createTexture(e){const t=e.id;if(null==t)return void this.error("[createTexture] Config missing: id");if(this._textures[t])return void this.error("[createTexture] Texture already created: "+t);if(!e.src&&!e.image&&!e.buffers)return this.error("[createTexture] Param expected: `src`, `image' or 'buffers'"),null;let s=e.minFilter||1008;1006!==s&&1007!==s&&1008!==s&&1005!==s&&1004!==s&&(this.error("[createTexture] Unsupported value for 'minFilter' - \n            supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, \n            NearestMipMapLinearFilter and LinearMipmapLinearFilter. Defaulting to LinearMipmapLinearFilter."),s=1008);let n=e.magFilter||1006;1006!==n&&1003!==n&&(this.error("[createTexture] Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),n=1006);let i=e.wrapS||1e3;1001!==i&&1002!==i&&1e3!==i&&(this.error("[createTexture] Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),i=1e3);let a=e.wrapT||1e3;1001!==a&&1002!==a&&1e3!==a&&(this.error("[createTexture] Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),a=1e3);let r=e.wrapR||1e3;1001!==r&&1002!==r&&1e3!==r&&(this.error("[createTexture] Unsupported value for 'wrapR' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),r=1e3);let l=e.encoding||3e3;3e3!==l&&3001!==l&&(this.error("[createTexture] Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),l=3e3);const o=new Cn({gl:this.scene.canvas.gl,minFilter:s,magFilter:n,wrapS:i,wrapT:a,wrapR:r,encoding:l});if(e.preloadColor&&o.setPreloadColor(e.preloadColor),e.image){const t=e.image;t.crossOrigin="Anonymous",o.setImage(t,{minFilter:s,magFilter:n,wrapS:i,wrapT:a,wrapR:r,flipY:e.flipY,encoding:l})}else if(e.src){const t=e.src.split(".").pop();switch(t){case"jpeg":case"jpg":case"png":case"gif":const c=new Image;c.onload=()=>{o.setImage(c,{minFilter:s,magFilter:n,wrapS:i,wrapT:a,wrapR:r,flipY:e.flipY,encoding:l}),this.glRedraw()},c.src=e.src;break;default:this._textureTranscoder?y.loadArraybuffer(e.src,(e=>{e.byteLength?this._textureTranscoder.transcode([e],o).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'src': file data is zero length")}),(function(e){this.error(`[createTexture] Can't create texture from 'src': ${e}`)})):this.error(`[createTexture] Can't create texture from 'src' - SceneModel needs to be configured with a TextureTranscoder for this file type ('${t}')`)}}else e.buffers&&(this._textureTranscoder?this._textureTranscoder.transcode(e.buffers,o).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'buffers' - SceneModel needs to be configured with a TextureTranscoder for this option"));this._textures[t]=new Fl({id:t,texture:o})}createTextureSet(e){const t=e.id;if(null==t)return void this.error("[createTextureSet] Config missing: id");if(this._textureSets[t])return void this.error(`[createTextureSet] Texture set already created: ${t}`);let s,n,i,a,r;if(void 0!==e.colorTextureId&&null!==e.colorTextureId){if(s=this._textures[e.colorTextureId],!s)return void this.error(`[createTextureSet] Texture not found: ${e.colorTextureId} - ensure that you create it first with createTexture()`)}else s=this._textures.defaultColorTexture;if(void 0!==e.metallicRoughnessTextureId&&null!==e.metallicRoughnessTextureId){if(n=this._textures[e.metallicRoughnessTextureId],!n)return void this.error(`[createTextureSet] Texture not found: ${e.metallicRoughnessTextureId} - ensure that you create it first with createTexture()`)}else n=this._textures.defaultMetalRoughTexture;if(void 0!==e.normalsTextureId&&null!==e.normalsTextureId){if(i=this._textures[e.normalsTextureId],!i)return void this.error(`[createTextureSet] Texture not found: ${e.normalsTextureId} - ensure that you create it first with createTexture()`)}else i=this._textures.defaultNormalsTexture;if(void 0!==e.emissiveTextureId&&null!==e.emissiveTextureId){if(a=this._textures[e.emissiveTextureId],!a)return void this.error(`[createTextureSet] Texture not found: ${e.emissiveTextureId} - ensure that you create it first with createTexture()`)}else a=this._textures.defaultEmissiveTexture;if(void 0!==e.occlusionTextureId&&null!==e.occlusionTextureId){if(r=this._textures[e.occlusionTextureId],!r)return void this.error(`[createTextureSet] Texture not found: ${e.occlusionTextureId} - ensure that you create it first with createTexture()`)}else r=this._textures.defaultOcclusionTexture;const l=new Ml({id:t,model:this,colorTexture:s,metallicRoughnessTexture:n,normalsTexture:i,emissiveTexture:a,occlusionTexture:r});this._textureSets[t]=l}createMesh(e){if(void 0===e.id||null===e.id)return void this.error("[createMesh] SceneModel.createMesh() config missing: id");if(this._scheduledMeshes[e.id])return void this.error(`[createMesh] SceneModel already has a mesh with this ID: ${e.id}`);const t=!(void 0!==e.geometryId);if(e.sceneModelMatrix=this._matrixNonIdentity?this._matrix:null,t){const t=!!this._dtxEnabled;if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"!==e.primitive&&"lines"!==e.primitive&&"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)return void this.error(`Unsupported value for 'primitive': '${primitive}'  ('geometryId' is absent) - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'.`);if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("Param expected: 'positions',  'positionsCompressed' or `buckets`  ('geometryId' is absent)"),null;if(e.positions&&(e.positionsDecodeMatrix||e.positionsDecodeBoundary))return this.error("Illegal params: 'positions' not expected with 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),null;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("Param expected: 'positionsCompressed' should be accompanied by 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),null;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("Param expected: 'uvCompressed' should be accompanied by `uvDecodeMatrix` ('geometryId' is absent)"),null;if(!e.buckets&&!e.indices&&"points"!==e.primitive)return this.error(`Param expected: indices (required for '${e.primitive}' primitive type)`),null;if((e.matrix||e.position||e.rotation||e.scale)&&(e.positionsCompressed||e.positionsDecodeBoundary))return this.error("Unexpected params: 'matrix', 'rotation', 'scale', 'position' not allowed with 'positionsCompressed'"),null;if(e.origin=e.origin?h.addVec3(this._origin,e.origin,h.vec3()):this._origin,e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position){const t=e.scale||Lc,s=e.position||Mc,n=e.rotation||Fc;h.eulerToQuaternion(n,"XYZ",Hc),e.meshMatrix=h.composeMat4(s,Hc,t,h.mat4())}if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=ha(e.positionsDecodeBoundary,h.mat4())),t){if(e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Gc,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.positions){const t=h.vec3(),s=[];S(e.positions,s,t)&&(e.positions=s,e.origin=h.addVec3(e.origin,t,t))}if(e.positions){const t=h.collapseAABB3();e.positionsDecodeMatrix=h.mat4(),h.expandAABB3Points3(t,e.positions),e.positionsCompressed=ua(e.positions,t,e.positionsDecodeMatrix)}e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=dt(e.positions,e.indices,null,2):e.edgeIndices=dt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.buckets||(e.buckets=jc(e,this._enableVertexWelding&&this._enableIndexBucketing))}else{if(e.type=1,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):[255,255,255],e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.positions){const t=[];S(e.positions,t,xc)&&(e.positions=t,e.origin=h.addVec3(e.origin,xc,h.vec3()))}if(e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=dt(e.positions,e.indices,null,2):e.edgeIndices=dt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId],!e.textureSet))return void this.error(`[createMesh] Texture set not found: ${e.textureSetId} - ensure that you create it first with createTextureSet()`)}}else{if(e.positions||e.positionsCompressed||e.indices||e.edgeIndices||e.normals||e.normalsCompressed||e.uv||e.uvCompressed||e.positionsDecodeMatrix)return void this.error("Mesh geometry parameters not expected when instancing a geometry (not expected: positions, positionsCompressed, indices, edgeIndices, normals, normalsCompressed, uv, uvCompressed, positionsDecodeMatrix)");if(e.geometry=this._geometries[e.geometryId],!e.geometry)return void this.error(`[createMesh] Geometry not found: ${e.geometryId} - ensure that you create it first with createGeometry()`);if(e.origin=e.origin?h.addVec3(this._origin,e.origin,h.vec3()):this._origin,e.positionsDecodeMatrix=e.geometry.positionsDecodeMatrix,e.matrix)e.meshMatrix=e.matrix.slice();else{const t=e.scale||Lc,s=e.position||Mc,n=e.rotation||Fc;h.eulerToQuaternion(n,"XYZ",Hc),e.meshMatrix=h.composeMat4(s,Hc,t,h.mat4())}if(!!this._dtxEnabled){e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Gc,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255;let t=this._dtxBuckets[e.geometryId];t||(t=jc(e.geometry,this._enableVertexWelding,this._enableIndexBucketing),this._dtxBuckets[e.geometryId]=t),e.buckets=t}else e.type=0,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Gc,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId]),function(e){if(e.obb=h.OBB3(),e.positionsCompressed&&e.positionsCompressed.length>0){const t=h.collapseAABB3();h.expandAABB3Points3(t,e.positionsCompressed),gt.decompressAABB(t,e.positionsDecodeMatrix),h.AABB3ToOBB3(t,e.obb)}else if(e.positions&&e.positions.length>0){const t=h.collapseAABB3();h.expandAABB3Points3(t,e.positions),h.AABB3ToOBB3(t,e.obb)}}(e.geometry)}e.numPrimitives=this._getNumPrimitives(e),this._vfcManager&&!this._vfcManager.finalized?this._vfcManager.addMesh(e):this._createMesh(e)}_createMesh(e){const t=new bi(this,e.id,e.color,e.opacity);t.pickId=this.scene._renderer.getPickID(t);const s=t.pickId,n=s>>24&255,i=s>>16&255,a=s>>8&255,r=255&s;switch(e.pickColor=new Uint8Array([r,a,i,n]),e.worldAABB=h.collapseAABB3(),e.aabb=e.worldAABB,e.solid="solid"===e.primitive,t.origin=h.vec3(e.origin),e.type){case 2:t.layer=this._getDTXLayer(e);break;case 1:t.layer=this._getVBOBatchingLayer(e);break;case 0:t.layer=this._getVBOInstancingLayer(e)}t.portionId=t.layer.createPortion(e),t.aabb=e.worldAABB,t.numPrimitives=e.numPrimitives,h.expandAABB3(this._aabb,t.aabb),this._meshes[e.id]=t,this._meshList.push(t)}_getNumPrimitives(e){let t=0;switch(e.geometry?e.geometry.primitive:e.primitive){case"triangles":case"solid":case"surface":switch(e.type){case 2:for(let s=0,n=e.buckets.length;s<n;s++)t+=e.buckets[s].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/3);case"points":switch(e.type){case 2:for(let s=0,n=e.buckets.length;s<n;s++)t+=e.buckets[s].positionsCompressed.length;break;case 1:case 0:t+=e.positions?e.positions.length:e.positionsCompressed.length}return Math.round(t);case"lines":case"line-strip":switch(e.type){case 2:for(let s=0,n=e.buckets.length;s<n;s++)t+=e.buckets[s].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/2)}return 0}_getDTXLayer(e){const t=e.origin,s=`${Math.round(t[0])}.${Math.round(t[1])}.${Math.round(t[2])}`;let n=this._dtxLayers[s];if(n){if(n.canCreatePortion(e))return n;n.finalize(),delete this._dtxLayers[s],n=null}return console.log(`[SceneModel ${this.id}]: creating TrianglesDataTextureLayer`),n=new Nc(this,{layerIndex:0,origin:t}),this._dtxLayers[s]=n,this.layerList.push(n),n}_getVBOBatchingLayer(e){const t=this,s=e.origin,n=e.positionsDecodeMatrix||e.positionsDecodeBoundary?this._createHashStringFromMatrix(e.positionsDecodeMatrix||e.positionsDecodeBoundary):"-",i=e.textureSetId||"-",a=`${Math.round(s[0])}.${Math.round(s[1])}.${Math.round(s[2])}.${e.primitive}.${n}.${i}`;let r=this._vboBatchingLayers[a];if(r)return r;let l=e.textureSet;for(;!r;){switch(e.primitive){case"triangles":case"solid":case"surface":console.log(`[SceneModel ${this.id}]: creating TrianglesBatchingLayer`),r=new ka({model:t,textureSet:l,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:s,maxGeometryBatchSize:this._maxGeometryBatchSize,solid:"solid"===e.primitive,autoNormals:!0});break;case"lines":console.log(`[SceneModel ${this.id}]: creating LinesBatchingLayer`),r=new Kr({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:s,maxGeometryBatchSize:this._maxGeometryBatchSize});break;case"points":console.log(`[SceneModel ${this.id}]: creating PointsBatchingLayer`),r=new vl({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:s,maxGeometryBatchSize:this._maxGeometryBatchSize})}const n=e.positionsCompressed?e.positionsCompressed.length:e.positions.length;("points"===e.primitive?r.canCreatePortion(n):r.canCreatePortion(n,e.indices.length))||(r.finalize(),delete this._vboBatchingLayers[a],r=null)}return this._vboBatchingLayers[a]=r,this.layerList.push(r),r}_createHashStringFromMatrix(e){const t=e.join("");let s=0;for(let e=0;e<t.length;e++){s=(s<<5)-s+t.charCodeAt(e),s|=0}return(s>>>0).toString(16)}_getVBOInstancingLayer(e){const t=this,s=e.origin,n=e.textureSetId||"-",i=e.geometryId,a=`${Math.round(s[0])}.${Math.round(s[1])}.${Math.round(s[2])}.${n}.${i}`;let r=this._vboInstancingLayers[a];if(r)return r;let l=e.textureSet;const o=e.geometry;for(;!r;)switch(o.primitive){case"triangles":case"surface":console.log(`[SceneModel ${this.id}]: creating TrianglesInstancingLayer`),r=new Fr({model:t,textureSet:l,geometry:o,origin:s,layerIndex:0,solid:!1});break;case"solid":console.log(`[SceneModel ${this.id}]: creating TrianglesInstancingLayer`),r=new Fr({model:t,textureSet:l,geometry:o,origin:s,layerIndex:0,solid:!0});break;case"lines":console.log(`[SceneModel ${this.id}]: creating LinesInstancingLayer`),r=new il({model:t,textureSet:l,geometry:o,origin:s,layerIndex:0});break;case"points":console.log(`[SceneModel ${this.id}]: creating PointsInstancingLayer`),r=new Ll({model:t,textureSet:l,geometry:o,origin:s,layerIndex:0})}return this._vboInstancingLayers[a]=r,this.layerList.push(r),r}createEntity(e){if(void 0===e.id?e.id=h.createUUID():this.scene.components[e.id]&&(this.error(`Scene already has a Component with this ID: ${e.id} - will assign random ID`),e.id=h.createUUID()),void 0===e.meshIds)return void this.error("Config missing: meshIds");let t=0;if(this._visible&&!1!==e.visible&&(t|=x),this._pickable&&!1!==e.pickable&&(t|=M),this._culled&&!1!==e.culled&&(t|=L),this._clippable&&!1!==e.clippable&&(t|=F),this._collidable&&!1!==e.collidable&&(t|=H),this._edges&&!1!==e.edges&&(t|=j),this._xrayed&&!1!==e.xrayed&&(t|=U),this._highlighted&&!1!==e.highlighted&&(t|=G),this._selected&&!1!==e.selected&&(t|=V),e.flags=t,this._vfcManager&&!this._vfcManager.finalized){for(let t=0,s=e.meshIds.length;t<s;t++){const s=e.meshIds[t];if(this._scheduledMeshes[s])return void this.error(`[createEntity] Mesh not found: ${s}`)}this._vfcManager.addEntity(e)}else this._createEntity(e)}_createEntity(e){let t=[];const s=h.collapseAABB3();for(let n=0,i=e.meshIds.length;n<i;n++){const i=e.meshIds[n],a=this._meshes[i];a?a.parent?this.error(`Mesh with ID "${i}" already belongs to object with ID "${a.parent.id}" - ignoring this mesh`):(h.expandAABB3(s,a.aabb),t.push(a)):this.error(`Mesh with this ID not found: "${i}" - ignoring this mesh`)}const n=new z(this,e.isObject,e.id,t,e.flags,s,!0);this._entityList.push(n),this._entities[e.id]=n,this.numEntities++}finalize(){if(!this.destroyed){this._vfcManager&&this._vfcManager.finalize((()=>{}));for(let e=0,t=this.layerList.length;e<t;e++){this.layerList[e].finalize()}this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._dtxLayers={},this._vboInstancingLayers={},this._vboBatchingLayers={};for(let e=0,t=this._entityList.length;e<t;e++){this._entityList[e]._finalize()}for(let e=0,t=this._entityList.length;e<t;e++){this._entityList[e]._finalize2()}this.layerList.sort(((e,t)=>e.sortId<t.sortId?-1:e.sortId>t.sortId?1:0));for(let e=0,t=this.layerList.length;e<t;e++){this.layerList[e].layerIndex=e}this.glRedraw(),this.scene._aabbDirty=!0,this.scene.lod.enabled&&(this._lodManager=this.scene.lod.getLODManager(this))}}stateSortCompare(e,t){}rebuildRenderFlags(){this.renderFlags.reset(),this._updateRenderFlagsVisibleLayers(),this.renderFlags.numLayers>0&&0===this.renderFlags.numVisibleLayers?this.renderFlags.culled=!0:this._updateRenderFlags()}_updateRenderFlagsVisibleLayers(){const e=this.renderFlags;e.numLayers=this.layerList.length,e.numVisibleLayers=0;for(let t=0,s=this.layerList.length;t<s;t++){const s=this.layerList[t];this._getActiveSectionPlanesForLayer(s)&&(e.visibleLayers[e.numVisibleLayers++]=t)}}_getActiveSectionPlanesForLayer(e){const t=this.renderFlags,s=this.scene._sectionPlanesState.sectionPlanes,n=s.length,i=e.layerIndex*n;if(n>0)for(let e=0;e<n;e++){s[e].active?(t.sectionPlanesActivePerLayer[i+e]=!0,t.sectioned=!0):t.sectionPlanesActivePerLayer[i+e]=!1}return!0}_updateRenderFlags(){if(0===this.numVisibleLayerPortions)return;if(this.numCulledLayerPortions===this.numPortions)return;const e=this.renderFlags;if(e.colorOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.colorTransparent=!0),this.numXRayedLayerPortions>0){const t=this.scene.xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}if(this.numEdgesLayerPortions>0){this.scene.edgeMaterial._state.edges&&(e.edgesOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.edgesTransparent=!0))}if(this.numSelectedLayerPortions>0){const t=this.scene.selectedMaterial._state;t.fill&&(t.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}if(this.numHighlightedLayerPortions>0){const t=this.scene.highlightMaterial._state;t.fill&&(t.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}drawColorOpaque(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawColorOpaque(t,e)}}drawColorTransparent(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawColorTransparent(t,e)}}drawDepth(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawDepth(t,e)}}drawNormals(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawNormals(t,e)}}drawSilhouetteXRayed(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawSilhouetteXRayed(t,e)}}drawSilhouetteHighlighted(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawSilhouetteHighlighted(t,e)}}drawSilhouetteSelected(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawSilhouetteSelected(t,e)}}drawEdgesColorOpaque(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawEdgesColorOpaque(t,e)}}drawEdgesColorTransparent(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawEdgesColorTransparent(t,e)}}drawEdgesXRayed(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawEdgesXRayed(t,e)}}drawEdgesHighlighted(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawEdgesHighlighted(t,e)}}drawEdgesSelected(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawEdgesSelected(t,e)}}drawOcclusion(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawOcclusion(t,e)}}drawShadow(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawShadow(t,e)}}setPickMatrices(e,t){if(0===this._numVisibleLayerPortions)return;const s=this.renderFlags;for(let n=0,i=s.visibleLayers.length;n<i;n++){const i=s.visibleLayers[n],a=this.layerList[i];a.setPickMatrices&&a.setPickMatrices(e,t)}}drawPickMesh(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawPickMesh(t,e)}}drawPickDepths(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawPickDepths(t,e)}}drawPickNormals(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawPickNormals(t,e)}}drawSnapInitDepthBuf(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s],i=this.layerList[n];i.drawSnapInitDepthBuf&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,i.drawSnapInitDepthBuf(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}drawSnapDepths(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s],i=this.layerList[n];i.drawSnapDepths&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,i.drawSnapDepths(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}destroy(){for(let e in this._vboBatchingLayers)this._vboBatchingLayers.hasOwnProperty(e)&&this._vboBatchingLayers[e].destroy();this._vboBatchingLayers={};for(let e in this._vboInstancingLayers)this._vboInstancingLayers.hasOwnProperty(e)&&this._vboInstancingLayers[e].destroy();this._vboInstancingLayers={},this.scene.camera.off(this._onCameraViewMatrix);for(let e=0,t=this.layerList.length;e<t;e++)this.layerList[e].destroy();this.layerList=[];for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._destroy();this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._meshes={},this._entities={},this.scene._aabbDirty=!0,this._isModel&&this.scene._deregisterModel(this),0!==Pi&&(Pi--,0===Pi&&Di._clear()),this._vfcManager&&this.scene.vfc.putVFCManager(this._vfcManager),this._lodManager&&this.scene.lod.putLODManager(this._lodManager),super.destroy()}}function jc(e,t,s){let n,i,a,r;if(t?[n,i,a]=Zl({positionsCompressed:e.positionsCompressed,indices:e.indices,edgeIndices:e.edgeIndices}):(n=e.positionsCompressed,i=e.indices,a=e.edgeIndices),s){r=no({positionsCompressed:n,indices:i,edgeIndices:a},n.length/3>65536?16:8)}else r=[{positionsCompressed:n,indices:i,edgeIndices:a}];return r}class kc extends C{constructor(e,t={}){super(e,t),this._skyboxMesh=new tn(this,{geometry:new bt(this,{primitive:"triangles",positions:[1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,-1,1,-1,-1,1,1,-1,1,1,-1,1,-1,-1,-1,-1,-1,-1,1,-1,-1,-1,1,-1,-1,1,-1,1,-1,-1,1,1,-1,-1,-1,-1,-1,-1,1,-1,1,1,-1],uv:[.5,.6666,.25,.6666,.25,.3333,.5,.3333,.5,.6666,.5,.3333,.75,.3333,.75,.6666,.5,.6666,.5,1,.25,1,.25,.6666,.25,.6666,0,.6666,0,.3333,.25,.3333,.25,0,.5,0,.5,.3333,.25,.3333,.75,.3333,1,.3333,1,.6666,.75,.6666],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]}),background:!0,scale:[2e3,2e3,2e3],rotation:[0,-90,0],material:new _t(this,{ambient:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],emissive:[1,1,1],emissiveMap:new xn(this,{src:t.src,flipY:!0,wrapS:"clampToEdge",wrapT:"clampToEdge",encoding:t.encoding||"sRGB"}),backfaces:!0}),visible:!1,pickable:!1,clippable:!1,collidable:!1}),this.size=t.size,this.active=t.active}set size(e){this._size=e||1e3,this._skyboxMesh.scale=[this._size,this._size,this._size]}get size(){return this._size}set active(e){this._skyboxMesh.visible=e}get active(){return this._skyboxMesh.visible}}const Qc=h.vec4(),Wc=h.vec4(),zc=h.vec3(),Kc=h.vec3(),Yc=h.vec3(),Xc=h.vec4(),qc=h.vec4(),Jc=h.vec4();class Zc{constructor(e){this._scene=e}dollyToCanvasPos(e,t,s){let n=!1;const i=this._scene.camera;if(e){const t=h.subVec3(e,i.eye,zc);n=h.lenVec3(t)<s}if("perspective"===i.projection){i.ortho.scale=i.ortho.scale-s;const n=this._unproject(t,Xc),a=h.subVec3(n,i.eye,Jc),r=h.mulVec3Scalar(h.normalizeVec3(a),-s,[]);if(i.eye=[i.eye[0]-r[0],i.eye[1]-r[1],i.eye[2]-r[2]],i.look=[i.look[0]-r[0],i.look[1]-r[1],i.look[2]-r[2]],e){const t=h.subVec3(e,i.eye,zc),s=h.lenVec3(t),n=h.mulVec3Scalar(h.normalizeVec3(h.subVec3(i.look,i.eye,Kc)),s);i.look=[i.eye[0]+n[0],i.eye[1]+n[1],i.eye[2]+n[2]]}}else if("ortho"===i.projection){const e=this._unproject(t,Xc);i.ortho.scale=i.ortho.scale-s,i.ortho._update();const n=this._unproject(t,qc),a=h.subVec3(n,e,Jc),r=h.mulVec3Scalar(h.normalizeVec3(h.subVec3(i.look,i.eye,zc)),-s,Kc),l=h.addVec3(a,r,Yc);i.eye=[i.eye[0]-l[0],i.eye[1]-l[1],i.eye[2]-l[2]],i.look=[i.look[0]-l[0],i.look[1]-l[1],i.look[2]-l[2]]}return n}_unproject(e,t){const s=this._scene.camera,n=s.project.transposedMatrix,i=n.subarray(8,12),a=n.subarray(12),r=[0,0,-1,1],l=h.dotVec4(r,i)/h.dotVec4(r,a);return s.project.unproject(e,l,Qc,Wc,t),t}destroy(){}}const $c=h.vec3(),eu=h.vec3(),tu=h.vec3(),su=h.vec4(),nu=h.vec4(),iu=h.vec4();class au{constructor(e,t){this._scene=e,this._configs=t,this._pivotWorldPos=h.vec3(),this._cameraOffset=h.vec3(),this._azimuth=0,this._polar=0,this._radius=0,this._pivotPosSet=!1,this._pivoting=!1,this._shown=!1,this._pivotViewPos=h.vec4(),this._pivotProjPos=h.vec4(),this._pivotCanvasPos=h.vec2(),this._cameraDirty=!0,this._onViewMatrix=this._scene.camera.on("viewMatrix",(()=>{this._cameraDirty=!0})),this._onProjMatrix=this._scene.camera.on("projMatrix",(()=>{this._cameraDirty=!0})),this._onTick=this._scene.on("tick",(()=>{this.updatePivotElement()}))}updatePivotElement(){const e=this._scene.camera,t=this._scene.canvas;if(this._pivoting&&this._cameraDirty){h.transformPoint3(e.viewMatrix,this.getPivotPos(),this._pivotViewPos),this._pivotViewPos[3]=1,h.transformPoint4(e.projMatrix,this._pivotViewPos,this._pivotProjPos);const s=t.boundary,n=s[2],i=s[3];this._pivotCanvasPos[0]=Math.floor((1+this._pivotProjPos[0]/this._pivotProjPos[3])*n/2),this._pivotCanvasPos[1]=Math.floor((1-this._pivotProjPos[1]/this._pivotProjPos[3])*i/2);let a=t._lastBoundingClientRect;if(!a||t._canvasSizeChanged){const e=t.canvas;a=t._lastBoundingClientRect=e.getBoundingClientRect()}this._pivotElement&&(this._pivotElement.style.left=Math.floor(a.left+this._pivotCanvasPos[0])-this._pivotElement.clientWidth/2+window.scrollX+"px",this._pivotElement.style.top=Math.floor(a.top+this._pivotCanvasPos[1])-this._pivotElement.clientHeight/2+window.scrollY+"px"),this._cameraDirty=!1}}setPivotElement(e){this._pivotElement=e}startPivot(){if(this._cameraLookingDownwards())return this._pivoting=!1,!1;const e=this._scene.camera;let t=h.lookAtMat4v(e.eye,e.look,e.worldUp);h.transformPoint3(t,this.getPivotPos(),this._cameraOffset);const s=this.getPivotPos();this._cameraOffset[2]+=h.distVec3(e.eye,s),t=h.inverseMat4(t);const n=h.transformVec3(t,this._cameraOffset),i=h.vec3();if(h.subVec3(e.eye,s,i),h.addVec3(i,n),e.zUp){const e=i[1];i[1]=i[2],i[2]=e}this._radius=h.lenVec3(i),this._polar=Math.acos(i[1]/this._radius),this._azimuth=Math.atan2(i[0],i[2]),this._pivoting=!0}_cameraLookingDownwards(){const e=this._scene.camera,t=h.normalizeVec3(h.subVec3(e.look,e.eye,$c)),s=h.cross3Vec3(t,e.worldUp,eu);return h.sqLenVec3(s)<=1e-4}getPivoting(){return this._pivoting}setPivotPos(e){this._pivotWorldPos.set(e),this._pivotPosSet=!0}setCanvasPivotPos(e){const t=this._scene.camera,s=Math.abs(h.distVec3(this._scene.center,t.eye)),n=t.project.transposedMatrix,i=n.subarray(8,12),a=n.subarray(12),r=[0,0,-1,1],l=h.dotVec4(r,i)/h.dotVec4(r,a),o=su;t.project.unproject(e,l,nu,iu,o);const c=h.normalizeVec3(h.subVec3(o,t.eye,$c)),u=h.addVec3(t.eye,h.mulVec3Scalar(c,s,eu),tu);this.setPivotPos(u)}getPivotPos(){return this._pivotPosSet?this._pivotWorldPos:this._scene.camera.look}continuePivot(e,t){if(!this._pivoting)return;if(0===e&&0===t)return;const s=this._scene.camera;var n=-e;const i=-t;1===s.worldUp[2]&&(n=-n),this._azimuth+=.01*-n,this._polar+=.01*i,this._polar=h.clamp(this._polar,.001,Math.PI-.001);const a=[this._radius*Math.sin(this._polar)*Math.sin(this._azimuth),this._radius*Math.cos(this._polar),this._radius*Math.sin(this._polar)*Math.cos(this._azimuth)];if(1===s.worldUp[2]){const e=a[1];a[1]=a[2],a[2]=e}const r=h.lenVec3(h.subVec3(s.look,s.eye,h.vec3())),l=this.getPivotPos();h.addVec3(a,l);let o=h.lookAtMat4v(a,l,s.worldUp);o=h.inverseMat4(o);const c=h.transformVec3(o,this._cameraOffset);o[12]-=c[0],o[13]-=c[1],o[14]-=c[2];const u=[o[8],o[9],o[10]];s.eye=[o[12],o[13],o[14]],h.subVec3(s.eye,h.mulVec3Scalar(u,r),s.look),s.up=[o[4],o[5],o[6]],this.showPivot()}showPivot(){this._shown||(null!==this._hideTimeout&&(window.clearTimeout(this._hideTimeout),this._hideTimeout=null),this._pivotElement&&(this.updatePivotElement(),this._pivotElement.style.visibility="visible",this._shown=!0,this._hideTimeout=window.setTimeout((()=>{this.hidePivot()}),1e3)))}hidePivot(){this._shown&&(null!==this._hideTimeout&&(window.clearTimeout(this._hideTimeout),this._hideTimeout=null),this._pivotElement&&(this._pivotElement.style.visibility="hidden"),this._shown=!1)}endPivot(){this._pivoting=!1}destroy(){this._scene.camera.off(this._onViewMatrix),this._scene.camera.off(this._onProjMatrix),this._scene.off(this._onTick)}}class ru{constructor(e,t){this._scene=e.scene,this._cameraControl=e,this._scene.canvas.canvas.oncontextmenu=function(e){e.preventDefault()},this._configs=t,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick=!1,this.pickCursorPos=h.vec2(),this.picked=!1,this.pickedSurface=!1,this.pickResult=null,this._lastPickedEntityId=null,this._needFireEvents=!1}update(){if(!this._configs.pointerEnabled)return;if(!this.schedulePickEntity&&!this.schedulePickSurface)return;this.picked=!1,this.pickedSurface=!1,this.snappedOrPicked=!1,this.hoveredSnappedOrSurfaceOff=!1,this._needFireEvents=!1;const e=this._cameraControl.hasSubs("hoverSurface");if(this.scheduleSnapOrPick){const e=this._scene.snapPick({canvasPos:this.pickCursorPos,snapRadius:this._configs.snapRadius,snapMode:this._configs.snapMode});e&&e.snappedWorldPos?(this.snapPickResult=e,this.snappedOrPicked=!0,this._needFireEvents=!0):(this.schedulePickSurface=!0,this.snapPickResult=null)}if(this.schedulePickSurface&&this.pickResult&&this.pickResult.worldPos){const t=this.pickResult.canvasPos;if(t[0]===this.pickCursorPos[0]&&t[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!0,this._needFireEvents=e,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.hoveredSnappedOrSurfaceOff=!0,void(this.scheduleSnapOrPick=!1)}if(this.schedulePickEntity&&this.pickResult&&(this.pickResult.canvasPos||this.pickResult.snappedCanvasPos)){const e=this.pickResult.canvasPos||this.pickResult.snappedCanvasPos;if(e[0]===this.pickCursorPos[0]&&e[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!1,this._needFireEvents=!1,this.schedulePickEntity=!1,void(this.schedulePickSurface=!1)}this.schedulePickSurface||this.scheduleSnapOrPick&&!this.snapPickResult?(this.pickResult=this._scene.pick({pickSurface:!0,pickSurfaceNormal:!1,canvasPos:this.pickCursorPos}),this.pickResult?(this.picked=!0,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.pickedSurface=!0,this._needFireEvents=!0):this.scheduleSnapOrPick&&(this.hoveredSnappedOrSurfaceOff=!0,this._needFireEvents=!0)):(this.pickResult=this._scene.pick({canvasPos:this.pickCursorPos}),this.pickResult&&(this.picked=!0,this.pickedSurface=!1,this._needFireEvents=!0)),this.scheduleSnapOrPick=!1,this.schedulePickEntity=!1,this.schedulePickSurface=!1}fireEvents(){if(this._needFireEvents){if(this.hoveredSnappedOrSurfaceOff&&this._cameraControl.fire("hoverSnapOrSurfaceOff",{canvasPos:this.pickCursorPos},!0),this.snappedOrPicked)if(this.snapPickResult){const e=new de;e.worldPos=this.snapPickResult.snappedWorldPos,e.canvasPos=this.snapPickResult.snappedCanvasPos,this._cameraControl.fire("hoverSnapOrSurface",e,!0),this.snapPickResult=null}else this._cameraControl.fire("hoverSnapOrSurface",this.pickResult,!0);if(this.picked&&this.pickResult&&(this.pickResult.entity||this.pickResult.worldPos)){if(this.pickResult.entity){const e=this.pickResult.entity.id;this._lastPickedEntityId!==e&&(void 0!==this._lastPickedEntityId&&this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._cameraControl.fire("hoverEnter",this.pickResult,!0),this._lastPickedEntityId=e)}this._cameraControl.fire("hover",this.pickResult,!0),this.pickResult.worldPos&&(this.pickedSurface=!0,this._cameraControl.fire("hoverSurface",this.pickResult,!0))}else void 0!==this._lastPickedEntityId&&(this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),this._cameraControl.fire("hoverOff",{canvasPos:this.pickCursorPos},!0);this.pickResult=null,this._needFireEvents=!1}}destroy(){}}const lu=h.vec2();class ou{constructor(e,t,s,n,i){this._scene=e;const a=t.pickController;let r,l,o,c=0,u=0,p=0,A=0,d=!1;const f=h.vec3();let I=!0;const y=this._scene.canvas.canvas,m=[];function v(e=!0){y.style.cursor="move",c=n.pointerCanvasPos[0],u=n.pointerCanvasPos[1],p=n.pointerCanvasPos[0],A=n.pointerCanvasPos[1],e&&(a.pickCursorPos=n.pointerCanvasPos,a.schedulePickSurface=!0,a.update(),a.picked&&a.pickedSurface&&a.pickResult&&a.pickResult.worldPos?(d=!0,f.set(a.pickResult.worldPos)):d=!1)}document.addEventListener("keydown",this._documentKeyDownHandler=t=>{if(!s.active||!s.pointerEnabled||!e.input.keyboardEnabled)return;const n=t.keyCode;m[n]=!0}),document.addEventListener("keyup",this._documentKeyUpHandler=t=>{if(!s.active||!s.pointerEnabled||!e.input.keyboardEnabled)return;const n=t.keyCode;m[n]=!1}),y.addEventListener("mousedown",this._mouseDownHandler=t=>{if(s.active&&s.pointerEnabled)switch(t.which){case 1:m[e.input.KEY_SHIFT]||s.planView?(r=!0,v()):(r=!0,v(!1));break;case 2:l=!0,v();break;case 3:o=!0,s.panRightClick&&v()}}),document.addEventListener("mousemove",this._documentMouseMoveHandler=()=>{if(!s.active||!s.pointerEnabled)return;if(!r&&!l&&!o)return;const t=e.canvas.boundary,a=t[2],p=t[3],A=n.pointerCanvasPos[0],I=n.pointerCanvasPos[1];if(m[e.input.KEY_SHIFT]||s.planView||!s.panRightClick&&l||s.panRightClick&&o){const t=A-c,s=I-u,n=e.camera;if("perspective"===n.projection){const a=Math.abs(d?h.lenVec3(h.subVec3(f,e.camera.eye,[])):e.camera.eyeLookDist)*Math.tan(n.perspective.fov/2*Math.PI/180);i.panDeltaX+=1.5*t*a/p,i.panDeltaY+=1.5*s*a/p}else i.panDeltaX+=.5*n.ortho.scale*(t/p),i.panDeltaY+=.5*n.ortho.scale*(s/p)}else!r||l||o||s.planView||(s.firstPerson?(i.rotateDeltaY-=(A-c)/a*s.dragRotationRate/2,i.rotateDeltaX+=(I-u)/p*(s.dragRotationRate/4)):(i.rotateDeltaY-=(A-c)/a*(1.5*s.dragRotationRate),i.rotateDeltaX+=(I-u)/p*(1.5*s.dragRotationRate)));c=A,u=I}),y.addEventListener("mousemove",this._canvasMouseMoveHandler=e=>{s.active&&s.pointerEnabled&&n.mouseover&&(I=!0)}),document.addEventListener("mouseup",this._documentMouseUpHandler=e=>{if(s.active&&s.pointerEnabled)switch(e.which){case 1:case 2:case 3:r=!1,l=!1,o=!1}}),y.addEventListener("mouseup",this._mouseUpHandler=e=>{if(s.active&&s.pointerEnabled){if(3===e.which){!function(e,t){if(e){let s=e.target,n=0,i=0,a=0,r=0;for(;s.offsetParent;)n+=s.offsetLeft,i+=s.offsetTop,a+=s.scrollLeft,r+=s.scrollTop,s=s.offsetParent;t[0]=e.pageX+a-n,t[1]=e.pageY+r-i}else e=window.event,t[0]=e.x,t[1]=e.y}(e,lu);const s=lu[0],n=lu[1];Math.abs(s-p)<3&&Math.abs(n-A)<3&&t.cameraControl.fire("rightClick",{pagePos:[Math.round(e.pageX),Math.round(e.pageY)],canvasPos:lu,event:e},!0)}y.style.removeProperty("cursor")}}),y.addEventListener("mouseenter",this._mouseEnterHandler=()=>{s.active&&s.pointerEnabled});const w=1/60;let g=null;y.addEventListener("wheel",this._mouseWheelHandler=e=>{if(!s.active||!s.pointerEnabled)return;const t=performance.now()/1e3;var a=null!==g?t-g:0;g=t,a>.05&&(a=.05),a<w&&(a=w);const r=Math.max(-1,Math.min(1,40*-e.deltaY));if(0===r)return;const l=r/Math.abs(r);i.dollyDelta+=-l*a*s.mouseWheelDollyRate,I&&(n.followPointerDirty=!0,I=!1)},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("keydown",this._documentKeyDownHandler),document.removeEventListener("keyup",this._documentKeyUpHandler),e.removeEventListener("mousedown",this._mouseDownHandler),document.removeEventListener("mousemove",this._documentMouseMoveHandler),e.removeEventListener("mousemove",this._canvasMouseMoveHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._mouseUpHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("wheel",this._mouseWheelHandler)}}const cu=h.vec3(),uu=h.vec3(),hu=h.vec3(),pu=h.vec3(),Au=h.vec3(),du={eye:h.vec3(),look:h.vec3(),up:h.vec3()};class fu{constructor(e,t,s,n){this._scene=e;const i=t.cameraControl,a=e.camera;this._onSceneKeyDown=e.input.on("keydown",(()=>{if(!s.active||!s.pointerEnabled||!e.input.keyboardEnabled)return;if(!n.mouseover)return;const r=i._isKeyDownForAction(i.AXIS_VIEW_RIGHT),l=i._isKeyDownForAction(i.AXIS_VIEW_BACK),o=i._isKeyDownForAction(i.AXIS_VIEW_LEFT),c=i._isKeyDownForAction(i.AXIS_VIEW_FRONT),u=i._isKeyDownForAction(i.AXIS_VIEW_TOP),p=i._isKeyDownForAction(i.AXIS_VIEW_BOTTOM);if(!(r||l||o||c||u||p))return;const A=e.aabb,d=h.getAABB3Diag(A);h.getAABB3Center(A,cu);const f=Math.abs(d/Math.tan(t.cameraFlight.fitFOV*h.DEGTORAD)),I=1.1*d;du.orthoScale=I,r?(du.eye.set(h.addVec3(cu,h.mulVec3Scalar(a.worldRight,f,uu),Au)),du.look.set(cu),du.up.set(a.worldUp)):l?(du.eye.set(h.addVec3(cu,h.mulVec3Scalar(a.worldForward,f,uu),Au)),du.look.set(cu),du.up.set(a.worldUp)):o?(du.eye.set(h.addVec3(cu,h.mulVec3Scalar(a.worldRight,-f,uu),Au)),du.look.set(cu),du.up.set(a.worldUp)):c?(du.eye.set(h.addVec3(cu,h.mulVec3Scalar(a.worldForward,-f,uu),Au)),du.look.set(cu),du.up.set(a.worldUp)):u?(du.eye.set(h.addVec3(cu,h.mulVec3Scalar(a.worldUp,f,uu),Au)),du.look.set(cu),du.up.set(h.normalizeVec3(h.mulVec3Scalar(a.worldForward,1,hu),pu))):p&&(du.eye.set(h.addVec3(cu,h.mulVec3Scalar(a.worldUp,-f,uu),Au)),du.look.set(cu),du.up.set(h.normalizeVec3(h.mulVec3Scalar(a.worldForward,-1,hu)))),!s.firstPerson&&s.followPointer&&t.pivotController.setPivotPos(cu),t.cameraFlight.duration>0?t.cameraFlight.flyTo(du,(()=>{t.pivotController.getPivoting()&&s.followPointer&&t.pivotController.showPivot()})):(t.cameraFlight.jumpTo(du),t.pivotController.getPivoting()&&s.followPointer&&t.pivotController.showPivot())}))}reset(){}destroy(){this._scene.input.off(this._onSceneKeyDown)}}class Iu{constructor(e,t,s,n,i){this._scene=e;const a=t.pickController,r=t.pivotController,l=t.cameraControl;this._clicks=0,this._timeout=null,this._lastPickedEntityId=null;let o=!1,c=!1;const u=this._scene.canvas.canvas,p=s=>{let n;s&&s.worldPos&&(n=s.worldPos);const i=s&&s.entity?s.entity.aabb:e.aabb;if(n){const s=e.camera;h.subVec3(s.eye,s.look,[]),t.cameraFlight.flyTo({aabb:i})}else t.cameraFlight.flyTo({aabb:i})};u.addEventListener("mousemove",this._canvasMouseMoveHandler=t=>{if(!s.active||!s.pointerEnabled)return;if(o||c)return;const i=l.hasSubs("hover"),r=l.hasSubs("hoverOut"),u=l.hasSubs("hoverOff"),h=l.hasSubs("hoverSurface"),p=l.hasSubs("hoverSnapOrSurface");if(i||r||u||h||p)if(a.pickCursorPos=n.pointerCanvasPos,a.schedulePickEntity=!0,a.schedulePickSurface=h,a.scheduleSnapOrPick=p,a.update(),a.pickResult){if(a.pickResult.entity){const t=a.pickResult.entity.id;this._lastPickedEntityId!==t&&(void 0!==this._lastPickedEntityId&&l.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),l.fire("hoverEnter",a.pickResult,!0),this._lastPickedEntityId=t)}l.fire("hover",a.pickResult,!0),(a.pickResult.worldPos||a.pickResult.snappedWorldPos)&&l.fire("hoverSurface",a.pickResult,!0)}else void 0!==this._lastPickedEntityId&&(l.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),l.fire("hoverOff",{canvasPos:a.pickCursorPos},!0)}),u.addEventListener("mousedown",this._canvasMouseDownHandler=t=>{1===t.which&&(o=!0),3===t.which&&(c=!0);if(1===t.which&&s.active&&s.pointerEnabled&&(n.mouseDownClientX=t.clientX,n.mouseDownClientY=t.clientY,n.mouseDownCursorX=n.pointerCanvasPos[0],n.mouseDownCursorY=n.pointerCanvasPos[1],!s.firstPerson&&s.followPointer&&(a.pickCursorPos=n.pointerCanvasPos,a.schedulePickSurface=!0,a.update(),1===t.which))){const t=a.pickResult;t&&t.worldPos?(r.setPivotPos(t.worldPos),r.startPivot()):(s.smartPivot?r.setCanvasPivotPos(n.pointerCanvasPos):r.setPivotPos(e.camera.look),r.startPivot())}}),document.addEventListener("mouseup",this._documentMouseUpHandler=e=>{1===e.which&&(o=!1),3===e.which&&(c=!1)}),u.addEventListener("mouseup",this._canvasMouseUpHandler=i=>{if(!s.active||!s.pointerEnabled)return;if(!(1===i.which))return;if(r.hidePivot(),Math.abs(i.clientX-n.mouseDownClientX)>3||Math.abs(i.clientY-n.mouseDownClientY)>3)return;const o=l.hasSubs("picked"),c=l.hasSubs("pickedNothing"),u=l.hasSubs("pickedSurface"),A=l.hasSubs("doublePicked"),d=l.hasSubs("doublePickedSurface"),f=l.hasSubs("doublePickedNothing");if(!(s.doublePickFlyTo||A||d||f))return(o||c||u)&&(a.pickCursorPos=n.pointerCanvasPos,a.schedulePickEntity=!0,a.schedulePickSurface=u,a.update(),a.pickResult?(l.fire("picked",a.pickResult,!0),a.pickedSurface&&l.fire("pickedSurface",a.pickResult,!0)):l.fire("pickedNothing",{canvasPos:n.pointerCanvasPos},!0)),void(this._clicks=0);if(this._clicks++,1===this._clicks){a.pickCursorPos=n.pointerCanvasPos,a.schedulePickEntity=s.doublePickFlyTo,a.schedulePickSurface=u,a.update();const e=a.pickResult,i=a.pickedSurface;this._timeout=setTimeout((()=>{e?(l.fire("picked",e,!0),i&&(l.fire("pickedSurface",e,!0),!s.firstPerson&&s.followPointer&&(t.pivotController.setPivotPos(e.worldPos),t.pivotController.startPivot()&&t.pivotController.showPivot()))):l.fire("pickedNothing",{canvasPos:n.pointerCanvasPos},!0),this._clicks=0}),s.doubleClickTimeFrame)}else{if(null!==this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null),a.pickCursorPos=n.pointerCanvasPos,a.schedulePickEntity=s.doublePickFlyTo||A||d,a.schedulePickSurface=a.schedulePickEntity&&d,a.update(),a.pickResult){if(l.fire("doublePicked",a.pickResult,!0),a.pickedSurface&&l.fire("doublePickedSurface",a.pickResult,!0),s.doublePickFlyTo&&(p(a.pickResult),!s.firstPerson&&s.followPointer)){const e=a.pickResult.entity.aabb,s=h.getAABB3Center(e);t.pivotController.setPivotPos(s),t.pivotController.startPivot()&&t.pivotController.showPivot()}}else if(l.fire("doublePickedNothing",{canvasPos:n.pointerCanvasPos},!0),s.doublePickFlyTo&&(p(),!s.firstPerson&&s.followPointer)){const s=e.aabb,n=h.getAABB3Center(s);t.pivotController.setPivotPos(n),t.pivotController.startPivot()&&t.pivotController.showPivot()}this._clicks=0}},!1)}reset(){this._clicks=0,this._lastPickedEntityId=null,this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("mousemove",this._canvasMouseMoveHandler),e.removeEventListener("mousedown",this._canvasMouseDownHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._canvasMouseUpHandler),this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}}class yu{constructor(e,t,s,n,i){this._scene=e;const a=e.input,r=[],l=e.canvas.canvas;let o=!0;this._onSceneMouseMove=a.on("mousemove",(()=>{o=!0})),this._onSceneKeyDown=a.on("keydown",(t=>{s.active&&s.pointerEnabled&&e.input.keyboardEnabled&&n.mouseover&&(r[t]=!0,t===a.KEY_SHIFT&&(l.style.cursor="move"))})),this._onSceneKeyUp=a.on("keyup",(t=>{s.active&&s.pointerEnabled&&e.input.keyboardEnabled&&(r[t]=!1,t===a.KEY_SHIFT&&(l.style.cursor=null))})),this._onTick=e.on("tick",(l=>{if(!s.active||!s.pointerEnabled||!e.input.keyboardEnabled)return;if(!n.mouseover)return;const c=t.cameraControl,u=l.deltaTime/1e3;if(!s.planView){const e=c._isKeyDownForAction(c.ROTATE_Y_POS,r),n=c._isKeyDownForAction(c.ROTATE_Y_NEG,r),a=c._isKeyDownForAction(c.ROTATE_X_POS,r),l=c._isKeyDownForAction(c.ROTATE_X_NEG,r),o=u*s.keyboardRotationRate;(e||n||a||l)&&(!s.firstPerson&&s.followPointer&&t.pivotController.startPivot(),e?i.rotateDeltaY+=o:n&&(i.rotateDeltaY-=o),a?i.rotateDeltaX+=o:l&&(i.rotateDeltaX-=o),!s.firstPerson&&s.followPointer&&t.pivotController.startPivot())}if(!r[a.KEY_CTRL]&&!r[a.KEY_ALT]){const e=c._isKeyDownForAction(c.DOLLY_BACKWARDS,r),a=c._isKeyDownForAction(c.DOLLY_FORWARDS,r);if(e||a){const r=u*s.keyboardDollyRate;!s.firstPerson&&s.followPointer&&t.pivotController.startPivot(),a?i.dollyDelta-=r:e&&(i.dollyDelta+=r),o&&(n.followPointerDirty=!0,o=!1)}}const h=c._isKeyDownForAction(c.PAN_FORWARDS,r),p=c._isKeyDownForAction(c.PAN_BACKWARDS,r),A=c._isKeyDownForAction(c.PAN_LEFT,r),d=c._isKeyDownForAction(c.PAN_RIGHT,r),f=c._isKeyDownForAction(c.PAN_UP,r),I=c._isKeyDownForAction(c.PAN_DOWN,r),y=(r[a.KEY_ALT]?.3:1)*u*s.keyboardPanRate;(h||p||A||d||f||I)&&(!s.firstPerson&&s.followPointer&&t.pivotController.startPivot(),I?i.panDeltaY+=y:f&&(i.panDeltaY+=-y),d?i.panDeltaX+=-y:A&&(i.panDeltaX+=y),p?i.panDeltaZ+=y:h&&(i.panDeltaZ+=-y))}))}reset(){}destroy(){this._scene.off(this._onTick),this._scene.input.off(this._onSceneMouseMove),this._scene.input.off(this._onSceneKeyDown),this._scene.input.off(this._onSceneKeyUp)}}const mu=h.vec3();class vu{constructor(e,t,s,n,i){this._scene=e;const a=e.camera,r=t.pickController,l=t.pivotController,o=t.panController;let c=1,u=1,p=null;this._onTick=e.on("tick",(()=>{if(!s.active||!s.pointerEnabled)return;let t="default";if(Math.abs(i.dollyDelta)<.001&&(i.dollyDelta=0),Math.abs(i.rotateDeltaX)<.001&&(i.rotateDeltaX=0),Math.abs(i.rotateDeltaY)<.001&&(i.rotateDeltaY=0),0===i.rotateDeltaX&&0===i.rotateDeltaY||(i.dollyDelta=0),s.followPointer&&--c<=0&&(c=1,0!==i.dollyDelta)){if(0===i.rotateDeltaY&&0===i.rotateDeltaX&&s.followPointer&&n.followPointerDirty&&(r.pickCursorPos=n.pointerCanvasPos,r.schedulePickSurface=!0,r.update(),r.pickResult&&r.pickResult.worldPos?p=r.pickResult.worldPos:(u=1,p=null),n.followPointerDirty=!1),p){const t=Math.abs(h.lenVec3(h.subVec3(p,e.camera.eye,mu)));u=t/s.dollyProximityThreshold}u<s.dollyMinSpeed&&(u=s.dollyMinSpeed)}const A=i.dollyDelta*u;if(0===i.rotateDeltaY&&0===i.rotateDeltaX||(!s.firstPerson&&s.followPointer&&l.getPivoting()?(l.continuePivot(i.rotateDeltaY,i.rotateDeltaX),l.showPivot()):(0!==i.rotateDeltaX&&(s.firstPerson?a.pitch(-i.rotateDeltaX):a.orbitPitch(i.rotateDeltaX)),0!==i.rotateDeltaY&&(s.firstPerson?a.yaw(i.rotateDeltaY):a.orbitYaw(i.rotateDeltaY))),i.rotateDeltaX*=s.rotationInertia,i.rotateDeltaY*=s.rotationInertia,t="grabbing"),Math.abs(i.panDeltaX)<.001&&(i.panDeltaX=0),Math.abs(i.panDeltaY)<.001&&(i.panDeltaY=0),Math.abs(i.panDeltaZ)<.001&&(i.panDeltaZ=0),0!==i.panDeltaX||0!==i.panDeltaY||0!==i.panDeltaZ){const e=h.vec3();let n,r;if(e[0]=i.panDeltaX,e[1]=i.panDeltaY,e[2]=i.panDeltaZ,s.constrainVertical){a.xUp?(n=a.eye[0],r=a.look[0]):a.yUp?(n=a.eye[1],r=a.look[1]):a.zUp&&(n=a.eye[2],r=a.look[2]),a.pan(e);const t=a.eye,s=a.look;a.xUp?(t[0]=n,s[0]=r):a.yUp?(t[1]=n,s[1]=r):a.zUp&&(t[2]=n,s[2]=r),a.eye=t,a.look=s}else a.pan(e);t="grabbing"}if(i.panDeltaX*=s.panInertia,i.panDeltaY*=s.panInertia,i.panDeltaZ*=s.panInertia,0!==A){if(t=A<0?"zoom-in":"zoom-out",s.firstPerson){let e,t;if(s.constrainVertical&&(a.xUp?(e=a.eye[0],t=a.look[0]):a.yUp?(e=a.eye[1],t=a.look[1]):a.zUp&&(e=a.eye[2],t=a.look[2])),s.followPointer){o.dollyToCanvasPos(p,n.pointerCanvasPos,-A)&&(n.followPointerDirty=!0)}else a.pan([0,0,A]),a.ortho.scale=a.ortho.scale-A;if(s.constrainVertical){const s=a.eye,n=a.look;a.xUp?(s[0]=e,n[0]=t):a.yUp?(s[1]=e,n[1]=t):a.zUp&&(s[2]=e,n[2]=t),a.eye=s,a.look=n}}else if(s.planView)if(s.followPointer){o.dollyToCanvasPos(p,n.pointerCanvasPos,-A)&&(n.followPointerDirty=!0)}else a.ortho.scale=a.ortho.scale+A,a.zoom(A);else if(s.followPointer){o.dollyToCanvasPos(p,n.pointerCanvasPos,-A)&&(n.followPointerDirty=!0)}else a.ortho.scale=a.ortho.scale+A,a.zoom(A);i.dollyDelta*=s.dollyInertia}r.fireEvents(),document.body.style.cursor=t}))}destroy(){this._scene.off(this._onTick)}}class wu{constructor(e,t,s,n,i){this._scene=e;const a=this._scene.canvas.canvas;a.addEventListener("mouseenter",this._mouseEnterHandler=()=>{n.mouseover=!0}),a.addEventListener("mouseleave",this._mouseLeaveHandler=()=>{n.mouseover=!1,a.style.cursor=null}),document.addEventListener("mousemove",this._mouseMoveHandler=e=>{gu(e,a,n.pointerCanvasPos)}),a.addEventListener("mousedown",this._mouseDownHandler=e=>{s.active&&s.pointerEnabled&&(gu(e,a,n.pointerCanvasPos),n.mouseover=!0)}),a.addEventListener("mouseup",this._mouseUpHandler=e=>{s.active&&s.pointerEnabled})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("mousemove",this._mouseMoveHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("mouseleave",this._mouseLeaveHandler),e.removeEventListener("mousedown",this._mouseDownHandler),e.removeEventListener("mouseup",this._mouseUpHandler)}}function gu(e,t,s){if(e){const{x:n,y:i}=t.getBoundingClientRect();s[0]=e.clientX-n,s[1]=e.clientY-i}else e=window.event,s[0]=e.x,s[1]=e.y;return s}const Tu=function(e,t){if(e){let s=e.target,n=0,i=0;for(;s.offsetParent;)n+=s.offsetLeft,i+=s.offsetTop,s=s.offsetParent;t[0]=e.pageX-n,t[1]=e.pageY-i}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class Eu{constructor(e,t,s,n,i){this._scene=e;const a=t.pickController,r=t.pivotController,l=h.vec2(),o=h.vec2(),c=h.vec2(),u=h.vec2(),p=[],A=this._scene.canvas.canvas;let d=0,f=!1;this._onTick=e.on("tick",(()=>{f=!1})),A.addEventListener("touchstart",this._canvasTouchStartHandler=t=>{if(!s.active||!s.pointerEnabled)return;t.preventDefault();const i=t.touches,o=t.changedTouches;for(n.touchStartTime=Date.now(),1===i.length&&1===o.length&&(Tu(i[0],l),s.followPointer&&(a.pickCursorPos=l,a.schedulePickSurface=!0,a.update(),s.planView||(a.picked&&a.pickedSurface&&a.pickResult&&a.pickResult.worldPos?(r.setPivotPos(a.pickResult.worldPos),!s.firstPerson&&r.startPivot()&&r.showPivot()):(s.smartPivot?r.setCanvasPivotPos(n.pointerCanvasPos):r.setPivotPos(e.camera.look),!s.firstPerson&&r.startPivot()&&r.showPivot()))));p.length<i.length;)p.push(h.vec2());for(let e=0,t=i.length;e<t;++e)Tu(i[e],p[e]);d=i.length}),A.addEventListener("touchmove",this._canvasTouchMoveHandler=t=>{if(!s.active||!s.pointerEnabled)return;if(t.stopPropagation(),t.preventDefault(),f)return;f=!0;const r=e.canvas.boundary,l=r[2],A=r[3],I=t.touches;if(t.touches.length===d){if(1===d){Tu(I[0],o),h.subVec2(o,p[0],u);const t=u[0],a=u[1];if(null!==n.longTouchTimeout&&(Math.abs(t)>s.longTapRadius||Math.abs(a)>s.longTapRadius)&&(clearTimeout(n.longTouchTimeout),n.longTouchTimeout=null),s.planView){const n=e.camera;if("perspective"===n.projection){const r=Math.abs(e.camera.eyeLookDist)*Math.tan(n.perspective.fov/2*Math.PI/180);i.panDeltaX+=t*r/A*s.touchPanRate,i.panDeltaY+=a*r/A*s.touchPanRate}else i.panDeltaX+=.5*n.ortho.scale*(t/A)*s.touchPanRate,i.panDeltaY+=.5*n.ortho.scale*(a/A)*s.touchPanRate}else i.rotateDeltaY-=t/l*(1*s.dragRotationRate),i.rotateDeltaX+=a/A*(1.5*s.dragRotationRate)}else if(2===d){const t=I[0],r=I[1];Tu(t,o),Tu(r,c);const l=h.geometricMeanVec2(p[0],p[1]),u=h.geometricMeanVec2(o,c),d=h.vec2();h.subVec2(l,u,d);const f=d[0],y=d[1],m=e.camera,v=h.distVec2([t.pageX,t.pageY],[r.pageX,r.pageY]),w=(h.distVec2(p[0],p[1])-v)*s.touchDollyRate;if(i.dollyDelta=w,Math.abs(w)<1)if("perspective"===m.projection){const t=a.pickResult?a.pickResult.worldPos:e.center,n=Math.abs(h.lenVec3(h.subVec3(t,e.camera.eye,[])))*Math.tan(m.perspective.fov/2*Math.PI/180);i.panDeltaX-=f*n/A*s.touchPanRate,i.panDeltaY-=y*n/A*s.touchPanRate}else i.panDeltaX-=.5*m.ortho.scale*(f/A)*s.touchPanRate,i.panDeltaY-=.5*m.ortho.scale*(y/A)*s.touchPanRate;n.pointerCanvasPos=u}for(let e=0;e<d;++e)Tu(I[e],p[e])}})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchmove",this._canvasTouchMoveHandler),this._scene.off(this._onTick)}}const bu=function(e,t){if(e){let s=e.target,n=0,i=0;for(;s.offsetParent;)n+=s.offsetLeft,i+=s.offsetTop,s=s.offsetParent;t[0]=e.pageX-n,t[1]=e.pageY-i}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class Du{constructor(e,t,s,n,i){this._scene=e;const a=t.pickController,r=t.cameraControl;let l;const o=[],c=new Float32Array(2);let u=-1,p=-1;const A=this._scene.canvas.canvas,d=s=>{let n;s&&s.worldPos&&(n=s.worldPos);const i=s?s.entity.aabb:e.aabb;if(n){const s=e.camera;h.subVec3(s.eye,s.look,[]),t.cameraFlight.flyTo({aabb:i})}else t.cameraFlight.flyTo({aabb:i})};A.addEventListener("touchstart",this._canvasTouchStartHandler=e=>{if(!s.active||!s.pointerEnabled)return;null!==n.longTouchTimeout&&(clearTimeout(n.longTouchTimeout),n.longTouchTimeout=null);const i=e.touches,a=e.changedTouches;if(l=Date.now(),1===i.length&&1===a.length){u=l,bu(i[0],c);const a=c[0],r=c[1],o=i[0].pageX,h=i[0].pageY;n.longTouchTimeout=setTimeout((()=>{t.cameraControl.fire("rightClick",{pagePos:[Math.round(o),Math.round(h)],canvasPos:[Math.round(a),Math.round(r)],event:e},!0),n.longTouchTimeout=null}),s.longTapTimeout)}else u=-1;for(;o.length<i.length;)o.push(new Float32Array(2));for(let e=0,t=i.length;e<t;++e)bu(i[e],o[e]);o.length=i.length},{passive:!0}),A.addEventListener("touchend",this._canvasTouchEndHandler=e=>{if(!s.active||!s.pointerEnabled)return;const t=Date.now(),i=e.touches,l=e.changedTouches,A=r.hasSubs("pickedSurface");null!==n.longTouchTimeout&&(clearTimeout(n.longTouchTimeout),n.longTouchTimeout=null),0===i.length&&1===l.length&&u>-1&&t-u<150&&(p>-1&&u-p<325?(bu(l[0],a.pickCursorPos),a.schedulePickEntity=!0,a.schedulePickSurface=A,a.update(),a.pickResult?(a.pickResult.touchInput=!0,r.fire("doublePicked",a.pickResult),a.pickedSurface&&r.fire("doublePickedSurface",a.pickResult),s.doublePickFlyTo&&d(a.pickResult)):(r.fire("doublePickedNothing"),s.doublePickFlyTo&&d()),p=-1):h.distVec2(o[0],c)<4&&(bu(l[0],a.pickCursorPos),a.schedulePickEntity=!0,a.schedulePickSurface=A,a.update(),a.pickResult?(a.pickResult.touchInput=!0,r.fire("picked",a.pickResult),a.pickedSurface&&r.fire("pickedSurface",a.pickResult)):r.fire("pickedNothing"),p=t),u=-1),o.length=i.length;for(let e=0,t=i.length;e<t;++e)o[e][0]=i[e].pageX,o[e][1]=i[e].pageY},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler)}}class Pu extends C{constructor(e,t={}){super(e,t),this.PAN_LEFT=0,this.PAN_RIGHT=1,this.PAN_UP=2,this.PAN_DOWN=3,this.PAN_FORWARDS=4,this.PAN_BACKWARDS=5,this.ROTATE_X_POS=6,this.ROTATE_X_NEG=7,this.ROTATE_Y_POS=8,this.ROTATE_Y_NEG=9,this.DOLLY_FORWARDS=10,this.DOLLY_BACKWARDS=11,this.AXIS_VIEW_RIGHT=12,this.AXIS_VIEW_BACK=13,this.AXIS_VIEW_LEFT=14,this.AXIS_VIEW_FRONT=15,this.AXIS_VIEW_TOP=16,this.AXIS_VIEW_BOTTOM=17,this._keyMap={},this.scene.canvas.canvas.oncontextmenu=e=>{e.preventDefault()},this._configs={longTapTimeout:600,longTapRadius:5,active:!0,keyboardLayout:"qwerty",navMode:"orbit",planView:!1,firstPerson:!1,followPointer:!0,doublePickFlyTo:!0,panRightClick:!0,showPivot:!1,pointerEnabled:!0,constrainVertical:!1,smartPivot:!1,doubleClickTimeFrame:250,snapMode:"vertex",snapRadius:30,dragRotationRate:360,keyboardRotationRate:90,rotationInertia:0,keyboardPanRate:1,touchPanRate:1,panInertia:.5,keyboardDollyRate:10,mouseWheelDollyRate:100,touchDollyRate:.2,dollyInertia:0,dollyProximityThreshold:30,dollyMinSpeed:.04},this._states={pointerCanvasPos:h.vec2(),mouseover:!1,followPointerDirty:!0,mouseDownClientX:0,mouseDownClientY:0,mouseDownCursorX:0,mouseDownCursorY:0,touchStartTime:null,activeTouches:[],tapStartPos:h.vec2(),tapStartTime:-1,lastTapTime:-1,longTouchTimeout:null},this._updates={rotateDeltaX:0,rotateDeltaY:0,panDeltaX:0,panDeltaY:0,panDeltaZ:0,dollyDelta:0};const s=this.scene;this._controllers={cameraControl:this,pickController:new ru(this,this._configs),pivotController:new au(s,this._configs),panController:new Zc(s),cameraFlight:new pi(this,{duration:.5})},this._handlers=[new wu(this.scene,this._controllers,this._configs,this._states,this._updates),new Eu(this.scene,this._controllers,this._configs,this._states,this._updates),new ou(this.scene,this._controllers,this._configs,this._states,this._updates),new fu(this.scene,this._controllers,this._configs,this._states,this._updates),new Iu(this.scene,this._controllers,this._configs,this._states,this._updates),new Du(this.scene,this._controllers,this._configs,this._states,this._updates),new yu(this.scene,this._controllers,this._configs,this._states,this._updates)],this._cameraUpdater=new vu(this.scene,this._controllers,this._configs,this._states,this._updates),this.navMode=t.navMode,t.planView&&(this.planView=t.planView),this.constrainVertical=t.constrainVertical,t.keyboardLayout?this.keyboardLayout=t.keyboardLayout:this.keyMap=t.keyMap,this.doublePickFlyTo=t.doublePickFlyTo,this.panRightClick=t.panRightClick,this.active=t.active,this.followPointer=t.followPointer,this.rotationInertia=t.rotationInertia,this.keyboardPanRate=t.keyboardPanRate,this.touchPanRate=t.touchPanRate,this.keyboardRotationRate=t.keyboardRotationRate,this.dragRotationRate=t.dragRotationRate,this.touchDollyRate=t.touchDollyRate,this.dollyInertia=t.dollyInertia,this.dollyProximityThreshold=t.dollyProximityThreshold,this.dollyMinSpeed=t.dollyMinSpeed,this.panInertia=t.panInertia,this.pointerEnabled=!0,this.keyboardDollyRate=t.keyboardDollyRate,this.mouseWheelDollyRate=t.mouseWheelDollyRate}set keyMap(e){if(e=e||"qwerty",y.isString(e)){const t=this.scene.input,s={};switch(e){default:this.error("Unsupported value for 'keyMap': "+e+" defaulting to 'qwerty'");case"qwerty":s[this.PAN_LEFT]=[t.KEY_A],s[this.PAN_RIGHT]=[t.KEY_D],s[this.PAN_UP]=[t.KEY_Z],s[this.PAN_DOWN]=[t.KEY_X],s[this.PAN_BACKWARDS]=[],s[this.PAN_FORWARDS]=[],s[this.DOLLY_FORWARDS]=[t.KEY_W,t.KEY_ADD],s[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],s[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],s[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],s[this.ROTATE_Y_POS]=[t.KEY_Q,t.KEY_LEFT_ARROW],s[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],s[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],s[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],s[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],s[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],s[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],s[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6];break;case"azerty":s[this.PAN_LEFT]=[t.KEY_Q],s[this.PAN_RIGHT]=[t.KEY_D],s[this.PAN_UP]=[t.KEY_W],s[this.PAN_DOWN]=[t.KEY_X],s[this.PAN_BACKWARDS]=[],s[this.PAN_FORWARDS]=[],s[this.DOLLY_FORWARDS]=[t.KEY_Z,t.KEY_ADD],s[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],s[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],s[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],s[this.ROTATE_Y_POS]=[t.KEY_A,t.KEY_LEFT_ARROW],s[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],s[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],s[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],s[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],s[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],s[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],s[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6]}this._keyMap=s}else{const t=e;this._keyMap=t}}get keyMap(){return this._keyMap}_isKeyDownForAction(e,t){const s=this._keyMap[e];if(!s)return!1;t||(t=this.scene.input.keyDown);for(let e=0,n=s.length;e<n;e++){if(t[s[e]])return!0}return!1}set pivotElement(e){this._controllers.pivotController.setPivotElement(e)}set active(e){this._configs.active=!1!==e}get active(){return this._configs.active}set snapMode(e){"vertex"!==(e=e||"vertex")&&"edge"!==e&&(this.error("Unsupported value for snapMode: "+e+" - supported values are 'vertex' and 'edge' - defaulting to 'vertex'"),e="vertex"),this._configs.snapMode=e}get snapMode(){return this._configs.snapMode}set snapRadius(e){e=e||30,this._configs.snapRadius=e}get snapRadius(){return this._configs.snapRadius}set navMode(e){"firstPerson"!==(e=e||"orbit")&&"orbit"!==e&&"planView"!==e&&(this.error("Unsupported value for navMode: "+e+" - supported values are 'orbit', 'firstPerson' and 'planView' - defaulting to 'orbit'"),e="orbit"),this._configs.firstPerson="firstPerson"===e,this._configs.planView="planView"===e,(this._configs.firstPerson||this._configs.planView)&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this._configs.navMode=e}get navMode(){return this._configs.navMode}set pointerEnabled(e){this._reset(),this._configs.pointerEnabled=!!e}_reset(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.reset&&t.reset()}this._updates.panDeltaX=0,this._updates.panDeltaY=0,this._updates.rotateDeltaX=0,this._updates.rotateDeltaY=0,this._updates.dolyDelta=0}get pointerEnabled(){return this._configs.pointerEnabled}set followPointer(e){this._configs.followPointer=!1!==e}get followPointer(){return this._configs.followPointer}set pivotPos(e){this._controllers.pivotController.setPivotPos(e)}get pivotPos(){return this._controllers.pivotController.getPivotPos()}set dollyToPointer(e){this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer=e}get dollyToPointer(){return this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer}set panToPointer(e){this.warn("panToPointer property is deprecated - replaced with followPointer")}get panToPointer(){return this.warn("panToPointer property is deprecated - replaced with followPointer"),!1}set planView(e){this._configs.planView=!!e,this._configs.firstPerson=!1,this._configs.planView&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this.warn("planView property is deprecated - replaced with navMode")}get planView(){return this.warn("planView property is deprecated - replaced with navMode"),this._configs.planView}set firstPerson(e){this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson=!!e,this._configs.planView=!1,this._configs.firstPerson&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot())}get firstPerson(){return this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson}set constrainVertical(e){this._configs.constrainVertical=!!e}get constrainVertical(){return this._configs.constrainVertical}set doublePickFlyTo(e){this._configs.doublePickFlyTo=!1!==e}get doublePickFlyTo(){return this._configs.doublePickFlyTo}set panRightClick(e){this._configs.panRightClick=!1!==e}get panRightClick(){return this._configs.panRightClick}set rotationInertia(e){this._configs.rotationInertia=null!=e?e:0}get rotationInertia(){return this._configs.rotationInertia}set keyboardPanRate(e){this._configs.keyboardPanRate=null!=e?e:5}set touchPanRate(e){this._configs.touchPanRate=null!=e?e:1}get touchPanRate(){return this._configs.touchPanRate}get keyboardPanRate(){return this._configs.keyboardPanRate}set keyboardRotationRate(e){this._configs.keyboardRotationRate=null!=e?e:90}get keyboardRotationRate(){return this._configs.keyboardRotationRate}set dragRotationRate(e){this._configs.dragRotationRate=null!=e?e:360}get dragRotationRate(){return this._configs.dragRotationRate}set keyboardDollyRate(e){this._configs.keyboardDollyRate=null!=e?e:15}get keyboardDollyRate(){return this._configs.keyboardDollyRate}set touchDollyRate(e){this._configs.touchDollyRate=null!=e?e:.2}get touchDollyRate(){return this._configs.touchDollyRate}set mouseWheelDollyRate(e){this._configs.mouseWheelDollyRate=null!=e?e:100}get mouseWheelDollyRate(){return this._configs.mouseWheelDollyRate}set dollyInertia(e){this._configs.dollyInertia=null!=e?e:0}get dollyInertia(){return this._configs.dollyInertia}set dollyProximityThreshold(e){this._configs.dollyProximityThreshold=null!=e?e:35}get dollyProximityThreshold(){return this._configs.dollyProximityThreshold}set dollyMinSpeed(e){this._configs.dollyMinSpeed=null!=e?e:.04}get dollyMinSpeed(){return this._configs.dollyMinSpeed}set panInertia(e){this._configs.panInertia=null!=e?e:.5}get panInertia(){return this._configs.panInertia}set keyboardLayout(e){"qwerty"!==(e=e||"qwerty")&&"azerty"!==e&&(this.error("Unsupported value for keyboardLayout - defaulting to 'qwerty'"),e="qwerty"),this._configs.keyboardLayout=e,this.keyMap=this._configs.keyboardLayout}get keyboardLayout(){return this._configs.keyboardLayout}set smartPivot(e){this._configs.smartPivot=!1!==e}get smartPivot(){return this._configs.smartPivot}set doubleClickTimeFrame(e){this._configs.doubleClickTimeFrame=null!=e?e:250}get doubleClickTimeFrame(){return this._configs.doubleClickTimeFrame}destroy(){this._destroyHandlers(),this._destroyControllers(),this._cameraUpdater.destroy(),super.destroy()}_destroyHandlers(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.destroy&&t.destroy()}}_destroyControllers(){for(let e=0,t=this._controllers.length;e<t;e++){const t=this._controllers[e];t.destroy&&t.destroy()}}}class Ru{constructor(e,t,s,n,i){this.name=e,this.type=s,this.value=t,this.valueType=n,this.description=i}}class Cu{constructor(e){if(this.id=e.id,this.originalSystemId=e.originalSystemId,this.metaModels=[],this.name=e.name,this.type=e.type,this.properties=[],e.properties){const t=e.properties;for(let e=0,s=t.length;e<s;e++){const s=t[e];this.properties.push(new Ru(s.name,s.value,s.type,s.valueType,s.description))}}}}class _u{constructor(e){this.metaModel=null,this.metaModels=[],this.id=e.id,this.parentId=e.parentId,this.parent=null,this.originalSystemId=e.originalSystemId,this.name=e.name,this.type=e.type,this.propertySetIds=e.propertySetIds,this.propertySets=[],this.attributes=e.attributes||{}}getObjectIDsInSubtree(){const e=[];return function t(s){if(!s)return;e.push(s.id);const n=s.children;if(n)for(var i=0,a=n.length;i<a;i++)t(n[i])}(this),e}withMetaObjectsInSubtree(e){!function t(s){if(!s)return;e(s);const n=s.children;if(n)for(var i=0,a=n.length;i<a;i++)t(n[i])}(this)}getObjectIDsInSubtreeByType(e){const t={};for(var s=0,n=e.length;s<n;s++)t[e[s]]=e[s];const i=[];return function e(s){if(!s)return;t[s.type]&&i.push(s.id);const n=s.children;if(n)for(var a=0,r=n.length;a<r;a++)e(n[a])}(this),i}getJSON(){var e={id:this.id,type:this.type,name:this.name};return this.parent&&(e.parent=this.parent.id),e}}class Bu{constructor(e){this.id=e.id,this.projectId=e.projectId,this.revisionId=e.revisionId,this.author=e.author,this.createdAt=e.createdAt,this.creatingApplication=e.creatingApplication,this.schema=e.schema,this.metaScene=e.metaScene,this.propertySets=[],this.rootMetaObject=null,this.rootMetaObjects=[],this.metaObjects=[],this.graph=e.graph||{},this.metaScene.metaModels[this.id]=this,this.finalized=!1}loadData(e,t={}){if(this.finalized)throw"MetaScene already finalized - can't add more data";this._globalizeIDs(e,t);const s=this.metaScene;if(e.propertySets)for(let t=0,n=e.propertySets.length;t<n;t++){const n=e.propertySets[t];let i=s.propertySets[n.id];i||(i=new Cu({id:n.id,originalSystemId:n.originalSystemId||n.id,type:n.type,name:n.name,properties:n.properties}),s.propertySets[i.id]=i),i.metaModels.push(this),this.propertySets.push(i)}if(e.metaObjects)for(let t=0,n=e.metaObjects.length;t<n;t++){const n=e.metaObjects[t],i=n.id;let a=s.metaObjects[i];if(!a){const e=n.type,t=n.originalSystemId,s=n.propertySets||n.propertySetIds;a=new _u({id:i,originalSystemId:t,parentId:n.parent,type:e,name:n.name,attributes:n.attributes,propertySetIds:s}),this.metaScene.metaObjects[i]=a}a.metaModels.push(this),n.parent||(this.rootMetaObjects.push(a),s.rootMetaObjects[i]=a),this.metaObjects.push(a)}}finalize(){if(this.finalized)throw"MetaScene already finalized - can't re-finalize";const e=this.metaScene;for(let t in e.metaObjects){const s=e.metaObjects[t];if(s.children&&(s.children=[]),s.propertySets&&(s.propertySets=[]),s.propertySetIds)for(let t=0,n=s.propertySetIds.length;t<n;t++){const n=s.propertySetIds[t],i=e.propertySets[n];s.propertySets.push(i)}}for(let t in e.metaObjects){const s=e.metaObjects[t];if(s.parentId){const t=e.metaObjects[s.parentId];t&&(s.parent=t,(t.children||(t.children=[])).push(s))}}e.metaObjectsByType={};for(let t in e.metaObjects){const s=e.metaObjects[t],n=s.type;(e.metaObjectsByType[n]||(e.metaObjectsByType[n]={}))[t]=s}this.finalized=!0,this.metaScene.fire("metaModelCreated",this.id)}getJSON(){const e=[];!function t(s){const n={id:s.id,extId:s.extId,type:s.type,name:s.name};s.parent&&(n.parent=s.parent.id),e.push(n);const i=s.children;if(i)for(let e=0,s=i.length;e<s;e++)t(i[e])}(this.rootMetaObject);return{id:this.id,projectId:this.projectId,revisionId:this.revisionId,metaObjects:e}}_globalizeIDs(e,t){const s=!!t.globalizeObjectIds;if(e.metaObjects)for(let t=0,n=e.metaObjects.length;t<n;t++){const n=e.metaObjects[t];if(n.originalSystemId=n.id,n.originalParentSystemId=n.parent,s&&(n.id=h.globalizeObjectId(this.id,n.id),n.parent=h.globalizeObjectId(this.id,n.parent)),s){const e=n.propertySetIds;if(e){const t=[];for(let s=0,n=e.length;s<n;s++)t.push(h.globalizeObjectId(this.id,e[s]));n.propertySetIds=t,n.originalSystemPropertySetIds=e}}else n.originalSystemPropertySetIds=n.propertySetIds}if(e.propertySets)for(let t=0,n=e.propertySets.length;t<n;t++){const n=e.propertySets[t];n.originalSystemId=n.id,s&&(n.id=h.globalizeObjectId(mothis.id,n.id))}}}class Ou{constructor(e,t){this.viewer=e,this.scene=t,this.metaModels={},this.propertySets={},this.metaObjects={},this.metaObjectsByType={},this.rootMetaObjects={},this._eventSubs={}}on(e,t){let s=this._eventSubs[e];s||(s=[],this._eventSubs[e]=s),s.push(t)}fire(e,t){const s=this._eventSubs[e];if(s)for(let e=0,n=s.length;e<n;e++)s[e](t)}off(e){}createMetaModel(e,t,s={}){const n=new Bu({metaScene:this,id:e,projectId:t.projectId||"none",revisionId:t.revisionId||"none",author:t.author||"none",createdAt:t.createdAt||"none",creatingApplication:t.creatingApplication||"none",schema:t.schema||"none",propertySets:[]});return n.loadData(t),n.finalize(),n}destroyMetaModel(e){const t=this.metaModels[e];if(t){if(t.propertySets)for(let s=0,n=t.propertySets.length;s<n;s++){const n=t.propertySets[s];if(1===n.metaModels.length)delete this.propertySets[n.id];else{const t=[];for(let s=0,i=n.metaModels.length;s<i;s++)n.metaModels[s].id!==e&&t.push(n.metaModels[s]);n.metaModels=t}}if(t.metaObjects)for(let e=0,s=t.metaObjects.length;e<s;e++){const s=t.metaObjects[e];s.type;const n=s.id;if(1===s.metaModels.length)delete this.metaObjects[n],s.parent||delete this.rootMetaObjects[n];else{const e=[],n=t.id;for(let t=0,i=s.metaModels.length;t<i;t++)s.metaModels[t].id!==n&&e.push(s.metaModels[t]);s.metaModels=e}}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.children&&(t.children=[]),t.propertySets&&(t.propertySets=[]),t.propertySetIds)for(let e=0,s=t.propertySetIds.length;e<s;e++){const s=t.propertySetIds[e],n=this.propertySets[s];t.propertySets.push(n)}}this.metaObjectsByType={};for(let e in this.metaObjects){const t=this.metaObjects[e],s=t.type;t.children&&(t.children=null),(this.metaObjectsByType[s]||(this.metaObjectsByType[s]={}))[e]=t}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.parentId){const e=this.metaObjects[t.parentId];e&&(t.parent=e,(e.children||(e.children=[])).push(t))}}delete this.metaModels[e],this.fire("metaModelDestroyed",e)}}getObjectIDsByType(e){const t=this.metaObjectsByType[e];return t?Object.keys(t):[]}getObjectIDsInSubtree(e,t,s){const n=[],i=this.metaObjects[e],a=t&&t.length>0?Su(t):null,r=s&&s.length>0?Su(s):null,l=e=>{if(!e)return;var t=!0;(r&&r[e.type]||a&&!a[e.type])&&(t=!1),t&&n.push(e.id);const s=e.children;if(s)for(var i=0,o=s.length;i<o;i++)l(s[i])};return l(i),n}withMetaObjectsInSubtree(e,t){const s=this.metaObjects[e];s&&s.withMetaObjectsInSubtree(t)}}function Su(e){const t={};for(var s=0,n=e.length;s<n;s++)t[e[s]]=!0;return t}
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u.forEach((e=>{I+=2*e.positionsCompressed.length+(e.indices.length+e.edgeIndices.length)*d,y+=e.positionsCompressed.length/3})),I>f?[e]:(s&&function(e,t){const s={},n={};let i=0;e.forEach((e=>{const t=e.indices,a=e.edgeIndices,r=e.positionsCompressed;for(let e=0,n=t.length;e<n;e+=3){const n=r[3*t[e]]+"_"+r[3*t[e]+1]+"_"+r[3*t[e]+2]+"/"+r[3*t[e+1]]+"_"+r[3*t[e+1]+1]+"_"+r[3*t[e+1]+2]+"/"+r[3*t[e+2]]+"_"+r[3*t[e+2]+1]+"_"+r[3*t[e+2]+2];s[n]=!0}i+=e.edgeIndices.length/2;for(let e=0,t=a.length;e<t;e+=2){const t=r[3*a[e]]+"_"+r[3*a[e]+1]+"_"+r[3*a[e]+2]+"/"+r[3*a[e+1]]+"_"+r[3*a[e+1]+1]+"_"+r[3*a[e+1]+2]+"/";n[t]=!0}}));{const e=t.indices;t.edgeIndices;const n=t.positionsCompressed;for(let t=0,i=e.length;t<i;t+=3){const i=n[3*e[t]]+"_"+n[3*e[t]+1]+"_"+n[3*e[t]+2]+"/"+n[3*e[t+1]]+"_"+n[3*e[t+1]+1]+"_"+n[3*e[t+1]+2]+"/"+n[3*e[t+2]]+"_"+n[3*e[t+2]+1]+"_"+n[3*e[t+2]+2];if(!(i in s))throw console.log("Not found "+i),"Ohhhh!"}}}(u,e),u)}const io=h.vec3(),ao=h.vec3(),ro=h.vec3(),lo=h.vec3(),oo=h.vec4(),co=h.mat4();class uo{constructor(e,t){this._scene=e,this._withSAO=t,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,s){const n=this._scene,i=n.camera,a=t.model,r=n.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin,{position:u,rotationMatrix:p,rotationMatrixConjugate:A}=a;if(!this._program&&(this._allocate(),this.errors))return;let d,f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,l)),o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);const I=0!==c[0]||0!==c[1]||0!==c[2],y=0!==u[0]||0!==u[1]||0!==u[2];if(I||y){const e=io;if(I){const t=h.transformPoint3(p,c,ao);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=u[0],e[1]+=u[1],e[2]+=u[2],d=B(i.viewMatrix,e,co),f=ro,f[0]=i.eye[0]-e[0],f[1]=i.eye[1]-e[1],f[2]=i.eye[2]-e[2]}else d=i.viewMatrix,f=i.eye;if(r.uniformMatrix4fv(this._uSceneModelWorldMatrix,!1,A),r.uniformMatrix4fv(this._uViewMatrix,!1,d),r.uniformMatrix4fv(this._uProjMatrix,!1,i.projMatrix),r.uniform3fv(this._uCameraEyeRtc,f),r.uniform1i(this._uRenderPass,s),n.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,t)}const m=n._sectionPlanesState.sectionPlanes.length;if(m>0){const e=n._sectionPlanesState.sectionPlanes,s=t.layerIndex*m,i=a.renderFlags;for(let t=0;t<m;t++){const n=this._uSectionPlanes[t];if(n){const a=i.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,a?1:0),a){const s=e[t];if(c){const e=N(s.dist,s.dir,c,lo);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}l.numIndices8Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),r.drawArrays(r.TRIANGLES,0,l.numIndices8Bits)),l.numIndices16Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),r.drawArrays(r.TRIANGLES,0,l.numIndices16Bits)),l.numIndices32Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),r.drawArrays(r.TRIANGLES,0,l.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl,s=e._lightsState;if(this._program=new ge(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const n=this._program;this._uRenderPass=n.getLocation("renderPass"),this._uLightAmbient=n.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];const i=s.lights;let a;for(let e=0,t=i.length;e<t;e++)switch(a=i[e],a.type){case"dir":this._uLightColor[e]=n.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=n.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=n.getLocation("lightColor"+e),this._uLightPos[e]=n.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=n.getLocation("lightAttenuation"+e);break;case"spot":this._uLightColor[e]=n.getLocation("lightColor"+e),this._uLightPos[e]=n.getLocation("lightPos"+e),this._uLightDir[e]=n.getLocation("lightDir"+e),this._uLightAttenuation[e]=n.getLocation("lightAttenuation"+e)}this._uSceneModelWorldMatrix=n.getLocation("sceneModelWorldMatrix"),this._uViewMatrix=n.getLocation("viewMatrix"),this._uProjMatrix=n.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.sectionPlanes.length;t<s;t++)this._uSectionPlanes.push({active:n.getLocation("sectionPlaneActive"+t),pos:n.getLocation("sectionPlanePos"+t),dir:n.getLocation("sectionPlaneDir"+t)});this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=n.getLocation("uSAOParams")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=n.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=n.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,s=t.canvas.gl,n=this._program,i=t._lightsState.lights,a=t.camera.project;n.bind(),this._uLightAmbient&&s.uniform4fv(this._uLightAmbient,t._lightsState.getAmbientColorAndIntensity());for(let e=0,t=i.length;e<t;e++){const t=i[e];this._uLightColor[e]&&s.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(s.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&s.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&s.uniform3fv(this._uLightDir[e],t.dir)}if(this._withSAO){const n=t.sao;if(n.possible){const t=s.drawingBufferWidth,i=s.drawingBufferHeight;oo[0]=t,oo[1]=i,oo[2]=n.blendCutoff,oo[3]=n.blendFactor,s.uniform4fv(this._uSAOParams,oo),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,10)}}if(t.logarithmicDepthBufferEnabled){const e=2/(Math.log(a.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,s=e._lightsState,n=t.sectionPlanes.length>0;let i;const a=[];a.push("#version 300 es"),a.push("// TrianglesDataTextureColorRenderer vertex shader"),a.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),a.push("precision highp float;"),a.push("precision highp int;"),a.push("precision highp usampler2D;"),a.push("precision highp isampler2D;"),a.push("precision highp sampler2D;"),a.push("#else"),a.push("precision mediump float;"),a.push("precision mediump int;"),a.push("precision mediump usampler2D;"),a.push("precision mediump isampler2D;"),a.push("precision mediump sampler2D;"),a.push("#endif"),a.push("uniform int renderPass;"),e.entityOffsetsEnabled&&a.push("in vec3 offset;"),a.push("uniform mat4 sceneModelWorldMatrix;"),a.push("uniform mat4 viewMatrix;"),a.push("uniform mat4 projMatrix;"),a.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),a.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),a.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),a.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),a.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),a.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),a.push("uniform highp sampler2D uTextureModelMatrices;"),a.push("uniform vec3 uCameraEyeRtc;"),a.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(a.push("uniform float logDepthBufFC;"),a.push("out float vFragDepth;"),a.push("out float isPerspective;")),a.push("bool isPerspectiveMatrix(mat4 m) {"),a.push("    return (m[2][3] == - 1.0);"),a.push("}"),a.push("uniform vec4 lightAmbient;");for(let e=0,t=s.lights.length;e<t;e++)i=s.lights[e],"ambient"!==i.type&&(a.push("uniform vec4 lightColor"+e+";"),"dir"===i.type&&a.push("uniform vec3 lightDir"+e+";"),"point"===i.type&&a.push("uniform vec3 lightPos"+e+";"),"spot"===i.type&&(a.push("uniform vec3 lightPos"+e+";"),a.push("uniform vec3 lightDir"+e+";")));n&&(a.push("out vec4 vWorldPosition;"),a.push("flat out uint vFlags2;")),a.push("out vec4 vColor;"),a.push("void main(void) {"),a.push("int polygonIndex = gl_VertexID / 3;"),a.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),a.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),a.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),a.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),a.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),a.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),a.push("if (int(flags.x) != renderPass) {"),a.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),a.push("   return;"),a.push("} else {"),a.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),a.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),a.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),a.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),a.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),a.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),a.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),a.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),a.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),a.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),a.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),a.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),a.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),a.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),a.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),a.push("uvec4 color = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),a.push("if (color.a == 0u) {"),a.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),a.push("   return;"),a.push("};"),a.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),a.push("vec3 position;"),a.push("position = positions[gl_VertexID % 3];"),a.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),a.push("if (solid != 1u) {"),a.push("if (isPerspectiveMatrix(projMatrix)) {"),a.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),a.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),a.push("position = positions[2 - (gl_VertexID % 3)];"),a.push("viewNormal = -viewNormal;"),a.push("}"),a.push("} else {"),a.push("if (viewNormal.z < 0.0) {"),a.push("position = positions[2 - (gl_VertexID % 3)];"),a.push("viewNormal = -viewNormal;"),a.push("}"),a.push("}"),a.push("}"),a.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),a.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),a.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),a.push("vec4 viewPosition = viewMatrix * worldPosition; "),a.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),a.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),a.push("float lambertian = 1.0;");for(let e=0,t=s.lights.length;e<t;e++)if(i=s.lights[e],"ambient"!==i.type){if("dir"===i.type)"view"===i.space?a.push("viewLightDir = normalize(lightDir"+e+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===i.type)"view"===i.space?a.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):a.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==i.type)continue;"view"===i.space?a.push("viewLightDir = normalize(lightDir"+e+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}a.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),a.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}return a.push("vec3 rgb = vec3(color.rgb) / 255.0;"),a.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),a.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(a.push("vFragDepth = 1.0 + clipPos.w;"),a.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),n&&(a.push("vWorldPosition = worldPosition;"),a.push("vFlags2 = flags2.r;")),a.push("gl_Position = clipPos;"),a.push("}"),a.push("}"),a}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// TrianglesDataTextureColorRenderer fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uint vFlags2;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0u;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { "),n.push("      discard;"),n.push("  }"),n.push("}")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor            = vec4(vColor.rgb * ambient, 1.0);")):n.push("   outColor            = vColor;"),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const ho=new Float32Array([1,1,1]),po=h.vec3(),Ao=h.vec3(),fo=h.vec3(),Io=h.vec3(),yo=h.mat4();class mo{constructor(e,t){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){const n=this._scene,i=n.camera,a=t.model,r=n.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin,{position:u,rotationMatrix:p,rotationMatrixConjugate:A}=a,d=i.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let f,I;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,l)),o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets),c||0!==u[0]||0!==u[1]||0!==u[2]){const e=po;if(c){const t=Ao;h.transformPoint3(p,c,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=u[0],e[1]+=u[1],e[2]+=u[2],f=B(d,e,yo),I=fo,I[0]=i.eye[0]-e[0],I[1]=i.eye[1]-e[1],I[2]=i.eye[2]-e[2]}else f=d,I=i.eye;if(r.uniform3fv(this._uCameraEyeRtc,I),r.uniform1i(this._uRenderPass,s),r.uniformMatrix4fv(this._uWorldMatrix,!1,A),r.uniformMatrix4fv(this._uViewMatrix,!1,f),r.uniformMatrix4fv(this._uProjMatrix,!1,i.projMatrix),s===Ri.SILHOUETTE_XRAYED){const e=n.xrayMaterial._state,t=e.fillColor,s=e.fillAlpha;r.uniform4f(this._uColor,t[0],t[1],t[2],s)}else if(s===Ri.SILHOUETTE_HIGHLIGHTED){const e=n.highlightMaterial._state,t=e.fillColor,s=e.fillAlpha;r.uniform4f(this._uColor,t[0],t[1],t[2],s)}else if(s===Ri.SILHOUETTE_SELECTED){const e=n.selectedMaterial._state,t=e.fillColor,s=e.fillAlpha;r.uniform4f(this._uColor,t[0],t[1],t[2],s)}else r.uniform4fv(this._uColor,ho);if(n.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,t)}const y=n._sectionPlanesState.sectionPlanes.length;if(y>0){const e=n._sectionPlanesState.sectionPlanes,s=t.layerIndex*y,i=a.renderFlags;for(let t=0;t<y;t++){const n=this._uSectionPlanes[t];if(n){const a=i.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,a?1:0),a){const s=e[t];if(c){const e=N(s.dist,s.dir,c,Io);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}l.numIndices8Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),r.drawArrays(r.TRIANGLES,0,l.numIndices8Bits)),l.numIndices16Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),r.drawArrays(r.TRIANGLES,0,l.numIndices16Bits)),l.numIndices32Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),r.drawArrays(r.TRIANGLES,0,l.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ge(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uColor=s.getLocation("color"),this._uWorldMatrix=s.getLocation("worldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,s=t.canvas.gl,n=t.camera.project;if(this._program.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(n.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("#version 300 es"),s.push("// Triangles dataTexture silhouette vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("precision highp usampler2D;"),s.push("precision highp isampler2D;"),s.push("precision highp sampler2D;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("precision mediump usampler2D;"),s.push("precision mediump isampler2D;"),s.push("precision mediump sampler2D;"),s.push("#endif"),s.push("uniform int renderPass;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("uniform mat4 worldMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),s.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),s.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),s.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),s.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),s.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),s.push("uniform highp sampler2D uTextureModelMatrices;"),s.push("uniform vec3 uCameraEyeRtc;"),s.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("out float isPerspective;")),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),t&&(s.push("out vec4 vWorldPosition;"),s.push("flat out uint vFlags2;")),s.push("void main(void) {"),s.push("int polygonIndex = gl_VertexID / 3;"),s.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),s.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),s.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),s.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("if (int(flags.y) != renderPass) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("} else {"),s.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),s.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),s.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),s.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),s.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),s.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),s.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),s.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),s.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),s.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),s.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),s.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),s.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),s.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),s.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),s.push("vec3 position;"),s.push("position = positions[gl_VertexID % 3];"),s.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),s.push("if (solid != 1u) {"),s.push("if (isPerspectiveMatrix(projMatrix)) {"),s.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),s.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),s.push("position = positions[2 - (gl_VertexID % 3)];"),s.push("viewNormal = -viewNormal;"),s.push("}"),s.push("} else {"),s.push("if (viewNormal.z < 0.0) {"),s.push("position = positions[2 - (gl_VertexID % 3)];"),s.push("viewNormal = -viewNormal;"),s.push("}"),s.push("}"),s.push("}"),s.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),s.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),s.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),s.push("vec4 viewPosition = viewMatrix * worldPosition; "),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags2 = flags2.r;")),s.push("gl_Position = clipPos;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// Triangles dataTexture draw fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uint vFlags2;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("uniform vec4 color;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0u;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { "),n.push("      discard;"),n.push("  }"),n.push("}")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("    outColor = color;"),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const vo=new Float32Array([0,0,0,1]),wo=h.vec3(),go=h.vec3();h.vec3();const To=h.vec3(),Eo=h.mat4();class bo{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){const n=t.model,i=n.scene,a=i.camera,r=i.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin,{position:u,rotationMatrix:p,rotationMatrixConjugate:A}=n,d=a.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);const I=0!==c[0]||0!==c[1]||0!==c[2],y=0!==u[0]||0!==u[1]||0!==u[2];if(I||y){const e=wo;if(I){const t=go;h.transformPoint3(p,c,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=u[0],e[1]+=u[1],e[2]+=u[2],f=B(d,e,Eo)}else f=d;if(r.uniform1i(this._uRenderPass,s),r.uniformMatrix4fv(this._uSceneModelWorldMatrix,!1,A),r.uniformMatrix4fv(this._uViewMatrix,!1,f),r.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix),s===Ri.EDGES_XRAYED){const e=i.xrayMaterial._state,t=e.edgeColor,s=e.edgeAlpha;r.uniform4f(this._uColor,t[0],t[1],t[2],s)}else if(s===Ri.EDGES_HIGHLIGHTED){const e=i.highlightMaterial._state,t=e.edgeColor,s=e.edgeAlpha;r.uniform4f(this._uColor,t[0],t[1],t[2],s)}else if(s===Ri.EDGES_SELECTED){const e=i.selectedMaterial._state,t=e.edgeColor,s=e.edgeAlpha;r.uniform4f(this._uColor,t[0],t[1],t[2],s)}else r.uniform4fv(this._uColor,vo);const m=i._sectionPlanesState.sectionPlanes.length;if(m>0){const e=i._sectionPlanesState.sectionPlanes,s=t.layerIndex*m,a=n.renderFlags;for(let t=0;t<m;t++){const n=this._uSectionPlanes[t];if(n){const i=a.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,i?1:0),i){const s=e[t];if(c){const e=N(s.dist,s.dir,c,To);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}l.numEdgeIndices8Bits>0&&(o.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),r.drawArrays(r.LINES,0,l.numEdgeIndices8Bits)),l.numEdgeIndices16Bits>0&&(o.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),r.drawArrays(r.LINES,0,l.numEdgeIndices16Bits)),l.numEdgeIndices32Bits>0&&(o.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),r.drawArrays(r.LINES,0,l.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ge(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uColor=s.getLocation("color"),this._uSceneModelWorldMatrix=s.getLocation("sceneModelWorldMatrix"),this._uWorldMatrix=s.getLocation("worldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets"}_bindProgram(){const e=this._scene,t=e.canvas.gl,s=this._program,n=e.camera.project;if(s.bind(),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(n.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("#version 300 es"),s.push("// Batched geometry edges drawing vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("precision highp usampler2D;"),s.push("precision highp isampler2D;"),s.push("precision highp sampler2D;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("precision mediump usampler2D;"),s.push("precision mediump isampler2D;"),s.push("precision mediump sampler2D;"),s.push("#endif"),s.push("uniform int renderPass;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("uniform mat4 sceneModelWorldMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),s.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),s.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),s.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),s.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),s.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),s.push("uniform highp sampler2D uTextureModelMatrices;"),s.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),s.push("out float isPerspective;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("flat out uint vFlags2;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int edgeIndex = gl_VertexID / 2;"),s.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),s.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),s.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),s.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("if (int(flags.z) != renderPass) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("} else {"),s.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),s.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),s.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),s.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),s.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),s.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),s.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),s.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),s.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),s.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),s.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),s.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),s.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("  vFlags2 = flags2.r;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s.push("gl_Position = clipPos;"),s.push("vColor = vec4(color.r, color.g, color.b, color.a);"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// Batched geometry edges drawing fragment shader"),e.logarithmicDepthBufferEnabled&&n.push("#extension GL_EXT_frag_depth : enable"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uint vFlags2;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0u;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { discard; }"),n.push("}")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("   outColor            = vColor;"),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Do=h.vec3(),Po=h.vec3(),Ro=h.vec3(),Co=h.mat4();class _o{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){const n=t.model,i=n.scene,a=i.camera,r=i.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin,{position:u,rotationMatrix:p,rotationMatrixConjugate:A}=n,d=a.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);const I=0!==c[0]||0!==c[1]||0!==c[2],y=0!==u[0]||0!==u[1]||0!==u[2];if(I||y){const e=Do;if(I){const t=Po;h.transformPoint3(p,c,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=u[0],e[1]+=u[1],e[2]+=u[2],f=B(d,e,Co)}else f=d;r.uniform1i(this._uRenderPass,s),r.uniformMatrix4fv(this._uSceneModelWorldMatrix,!1,A),r.uniformMatrix4fv(this._uViewMatrix,!1,f),r.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix);const m=i._sectionPlanesState.sectionPlanes.length;if(m>0){const e=i._sectionPlanesState.sectionPlanes,s=t.layerIndex*m,a=n.renderFlags;for(let t=0;t<m;t++){const n=this._uSectionPlanes[t];if(n){const i=a.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,i?1:0),i){const s=e[t];if(c){const e=N(s.dist,s.dir,c,Ro);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}l.numEdgeIndices8Bits>0&&(o.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),r.drawArrays(r.LINES,0,l.numEdgeIndices8Bits)),l.numEdgeIndices16Bits>0&&(o.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),r.drawArrays(r.LINES,0,l.numEdgeIndices16Bits)),l.numEdgeIndices32Bits>0&&(o.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),r.drawArrays(r.LINES,0,l.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ge(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uSceneModelWorldMatrix=s.getLocation("sceneModelWorldMatrix"),this._uWorldMatrix=s.getLocation("worldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets"}_bindProgram(){const e=this._scene,t=e.canvas.gl,s=this._program,n=e.camera.project;if(s.bind(),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(n.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("#version 300 es"),s.push("// Batched geometry edges drawing vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("precision highp usampler2D;"),s.push("precision highp isampler2D;"),s.push("precision highp sampler2D;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("precision mediump usampler2D;"),s.push("precision mediump isampler2D;"),s.push("precision mediump sampler2D;"),s.push("#endif"),s.push("uniform int renderPass;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("uniform mat4 sceneModelWorldMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),s.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),s.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),s.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),s.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),s.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),s.push("uniform highp sampler2D uTextureModelMatrices;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),s.push("out float isPerspective;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("flat out uint vFlags2;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),s.push("int edgeIndex = gl_VertexID / 2;"),s.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),s.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),s.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),s.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("if (int(flags.z) != renderPass) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("} else {"),s.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),s.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),s.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),s.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),s.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),s.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),s.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),s.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),s.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),s.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),s.push("uvec4 color = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),s.push("if (color.a == 0u) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("};"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),s.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),s.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("  vFlags2 = flags2.r;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s.push("gl_Position = clipPos;"),s.push("vec4 rgb = vec4(color.rgba);"),s.push("vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// Batched geometry edges drawing fragment shader"),e.logarithmicDepthBufferEnabled&&n.push("#extension GL_EXT_frag_depth : enable"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uint vFlags2;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0u;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { discard; }"),n.push("}")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("   outColor            = vColor;"),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Bo=h.vec3(),Oo=h.vec3(),So=h.vec3(),No=h.mat4();class xo{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e));const n=t.model,i=n.scene,a=i.camera,r=i.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin,{position:u,rotationMatrix:p,rotationMatrixConjugate:A}=n;let d,f;o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);const I=0!==c[0]||0!==c[1]||0!==c[2],y=0!==u[0]||0!==u[1]||0!==u[2];if(I||y){const e=Bo;if(I){const t=h.transformPoint3(p,c,Oo);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=u[0],e[1]+=u[1],e[2]+=u[2],d=B(a.viewMatrix,e,No),f=So,f[0]=a.eye[0]-e[0],f[1]=a.eye[1]-e[1],f[2]=a.eye[2]-e[2]}else d=a.viewMatrix,f=a.eye;if(r.uniformMatrix4fv(this._uSceneModelWorldMatrix,!1,A),r.uniformMatrix4fv(this._uViewMatrix,!1,d),r.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix),r.uniform3fv(this._uCameraEyeRtc,f),r.uniform1i(this._uRenderPass,s),i.logarithmicDepthBufferEnabled){const e=2/(Math.log(a.project.far+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,e)}const m=i._sectionPlanesState.sectionPlanes.length;if(m>0){const e=i._sectionPlanesState.sectionPlanes,s=t.layerIndex*m,a=n.renderFlags;for(let t=0;t<m;t++){const n=this._uSectionPlanes[t];if(n){const i=a.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,i?1:0),i){const s=e[t];if(c){const e=N(s.dist,s.dir,c,Bo);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}l.numIndices8Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),r.drawArrays(r.TRIANGLES,0,l.numIndices8Bits)),l.numIndices16Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),r.drawArrays(r.TRIANGLES,0,l.numIndices16Bits)),l.numIndices32Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),r.drawArrays(r.TRIANGLES,0,l.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ge(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uPickInvisible=s.getLocation("pickInvisible"),this._uSceneModelWorldMatrix=s.getLocation("sceneModelWorldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=s.getLocation("uSAOParams")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene.canvas.gl;this._program.bind(),t.uniform1i(this._uPickInvisible,e.pickInvisible)}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("#version 300 es"),s.push("// Batched geometry picking vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("precision highp usampler2D;"),s.push("precision highp isampler2D;"),s.push("precision highp sampler2D;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("precision mediump usampler2D;"),s.push("precision mediump isampler2D;"),s.push("precision mediump sampler2D;"),s.push("#endif"),s.push("uniform int renderPass;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("uniform mat4 sceneModelWorldMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform bool pickInvisible;"),s.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),s.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),s.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),s.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),s.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),s.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),s.push("uniform highp sampler2D uTextureModelMatrices;"),s.push("uniform vec3 uCameraEyeRtc;"),s.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("out float isPerspective;")),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),t&&(s.push("smooth out vec4 vWorldPosition;"),s.push("flat out uvec4 vFlags2;")),s.push("out vec4 vPickColor;"),s.push("void main(void) {"),s.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),s.push("int polygonIndex = gl_VertexID / 3;"),s.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),s.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),s.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),s.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("if (int(flags.w) != renderPass) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("} else {"),s.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),s.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),s.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),s.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),s.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),s.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),s.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),s.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),s.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),s.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),s.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),s.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),s.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),s.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),s.push("uvec4 color = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),s.push("if (color.a == 0u) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("};"),s.push("vPickColor = vec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0)) / 255.0;"),s.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),s.push("vec3 position;"),s.push("position = positions[gl_VertexID % 3];"),s.push("if (solid != 1u) {"),s.push("if (isPerspectiveMatrix(projMatrix)) {"),s.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),s.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),s.push("position = positions[2 - (gl_VertexID % 3)];"),s.push("}"),s.push("} else {"),s.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),s.push("if (viewNormal.z < 0.0) {"),s.push("position = positions[2 - (gl_VertexID % 3)];"),s.push("}"),s.push("}"),s.push("}"),s.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),s.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),s.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),s.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags2 = flags2;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s.push("gl_Position = clipPos;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// Batched geometry picking fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uvec4 vFlags2;");for(var i=0;i<t.sectionPlanes.length;i++)n.push("uniform bool sectionPlaneActive"+i+";"),n.push("uniform vec3 sectionPlanePos"+i+";"),n.push("uniform vec3 sectionPlaneDir"+i+";")}if(n.push("in vec4 vPickColor;"),n.push("out vec4 outPickColor;"),n.push("void main(void) {"),s){n.push("  bool clippable = (float(vFlags2.x) > 0.0);"),n.push("  if (clippable) {"),n.push("      float dist = 0.0;");for(i=0;i<t.sectionPlanes.length;i++)n.push("      if (sectionPlaneActive"+i+") {"),n.push("          dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),n.push("      }");n.push("      if (dist > 0.0) { discard; }"),n.push("  }")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("   outPickColor = vPickColor; "),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Lo=h.vec3(),Mo=h.vec3(),Fo=h.vec3(),Ho=h.vec3(),Uo=h.mat4();class Go{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){const n=t.model,i=n.scene,a=i.camera,r=i.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin,{position:u,rotationMatrix:p,rotationMatrixConjugate:A}=n,d=e.pickViewMatrix||a.viewMatrix;let f,I;if(this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets),a.eye,c||0!==u[0]||0!==u[1]||0!==u[2]){const t=Lo;if(c){const e=Mo;h.transformPoint3(p,c,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=u[0],t[1]+=u[1],t[2]+=u[2],f=B(d,t,Uo),I=Fo,I[0]=a.eye[0]-t[0],I[1]=a.eye[1]-t[1],I[2]=a.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,I=a.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;if(r.uniform3fv(this._uCameraEyeRtc,I),r.uniform1i(this._uRenderPass,s),r.uniform1i(this._uPickInvisible,e.pickInvisible),r.uniform1f(this._uPickZNear,e.pickZNear),r.uniform1f(this._uPickZFar,e.pickZFar),r.uniformMatrix4fv(this._uWorldMatrix,!1,A),r.uniformMatrix4fv(this._uViewMatrix,!1,f),r.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix),i.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,t)}const y=i._sectionPlanesState.sectionPlanes.length;if(y>0){const e=i._sectionPlanesState.sectionPlanes,s=t.layerIndex*y,a=n.renderFlags;for(let t=0;t<y;t++){const n=this._uSectionPlanes[t];if(n){const i=a.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,i?1:0),i){const s=e[t];if(c){const e=N(s.dist,s.dir,c,Ho);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}l.numIndices8Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),r.drawArrays(r.TRIANGLES,0,l.numIndices8Bits)),l.numIndices16Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),r.drawArrays(r.TRIANGLES,0,l.numIndices16Bits)),l.numIndices32Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),r.drawArrays(r.TRIANGLES,0,l.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ge(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uPickInvisible=s.getLocation("pickInvisible"),this._uWorldMatrix=s.getLocation("worldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._uPickZNear=s.getLocation("pickZNear"),this._uPickZFar=s.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureCameraMatrices="uTextureCameraMatrices",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("#version 300 es"),s.push("// Triangles dataTexture pick depth vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("precision highp usampler2D;"),s.push("precision highp isampler2D;"),s.push("precision highp sampler2D;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("precision mediump usampler2D;"),s.push("precision mediump isampler2D;"),s.push("precision mediump sampler2D;"),s.push("#endif"),s.push("uniform int renderPass;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("uniform mat4 worldMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform bool pickInvisible;"),s.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),s.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),s.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),s.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),s.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),s.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),s.push("uniform highp sampler2D uTextureModelMatrices;"),s.push("uniform vec3 uCameraEyeRtc;"),s.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("out float isPerspective;")),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),t&&(s.push("out vec4 vWorldPosition;"),s.push("flat out uint vFlags2;")),s.push("out vec4 vViewPosition;"),s.push("void main(void) {"),s.push("int polygonIndex = gl_VertexID / 3;"),s.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),s.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),s.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),s.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("if (int(flags.w) != renderPass) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("} else {"),s.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),s.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),s.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),s.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),s.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),s.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),s.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),s.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),s.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),s.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),s.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),s.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),s.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),s.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),s.push("uvec4 color = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),s.push("if (color.a == 0u) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("};"),s.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),s.push("vec3 position;"),s.push("position = positions[gl_VertexID % 3];"),s.push("if (solid != 1u) {"),s.push("if (isPerspectiveMatrix(projMatrix)) {"),s.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),s.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),s.push("position = positions[2 - (gl_VertexID % 3)];"),s.push("}"),s.push("} else {"),s.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),s.push("if (viewNormal.z < 0.0) {"),s.push("position = positions[2 - (gl_VertexID % 3)];"),s.push("}"),s.push("}"),s.push("}"),s.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),s.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),s.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),s.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags2 = flags2.r;")),s.push("vViewPosition = viewPosition;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s.push("gl_Position = clipPos;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// Triangles dataTexture pick depth fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform float pickZNear;"),n.push("uniform float pickZFar;"),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uint vFlags2;");for(var i=0;i<t.sectionPlanes.length;i++)n.push("uniform bool sectionPlaneActive"+i+";"),n.push("uniform vec3 sectionPlanePos"+i+";"),n.push("uniform vec3 sectionPlaneDir"+i+";")}if(n.push("in vec4 vViewPosition;"),n.push("vec4 packDepth(const in float depth) {"),n.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),n.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),n.push("  vec4 res = fract(depth * bitShift);"),n.push("  res -= res.xxyz * bitMask;"),n.push("  return res;"),n.push("}"),n.push("out vec4 outPackedDepth;"),n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0u;"),n.push("  if (clippable) {"),n.push("      float dist = 0.0;");for(i=0;i<t.sectionPlanes.length;i++)n.push("      if (sectionPlaneActive"+i+") {"),n.push("          dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),n.push("      }");n.push("      if (dist > 0.0) { discard; }"),n.push("  }")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),n.push("    outPackedDepth = packDepth(zNormalizedDepth); "),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Vo=h.vec3(),jo=h.vec3(),ko=h.vec3(),Qo=h.vec3(),Wo=h.vec3(),zo=h.mat4();class Ko{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const n=t.model,i=n.scene,a=i.camera,r=i.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin,{position:u,rotationMatrix:p,rotationMatrixConjugate:A}=n,d=t.aabb,f=e.pickViewMatrix||a.viewMatrix,I=Vo;let y,m;I[0]=h.safeInv(d[3]-d[0])*h.MAX_INT,I[1]=h.safeInv(d[4]-d[1])*h.MAX_INT,I[2]=h.safeInv(d[5]-d[2])*h.MAX_INT,e.snapPickCoordinateScale[0]=h.safeInv(I[0]),e.snapPickCoordinateScale[1]=h.safeInv(I[1]),e.snapPickCoordinateScale[2]=h.safeInv(I[2]),o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);const v=0!==c[0]||0!==c[1]||0!==c[2],w=0!==u[0]||0!==u[1]||0!==u[2];if(v||w){const t=jo;if(v){const e=h.transformPoint3(p,c,ko);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=u[0],t[1]+=u[1],t[2]+=u[2],y=B(f,t,zo),m=Qo,m[0]=a.eye[0]-t[0],m[1]=a.eye[1]-t[1],m[2]=a.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else y=f,m=a.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;if(r.uniform3fv(this._uCameraEyeRtc,m),r.uniform2fv(this.uVectorA,e.snapVectorA),r.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),r.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),r.uniform3fv(this._uCoordinateScaler,I),r.uniform1i(this._uRenderPass,s),r.uniform1i(this._uPickInvisible,e.pickInvisible),r.uniformMatrix4fv(this._uSceneModelWorldMatrix,!1,A),r.uniformMatrix4fv(this._uViewMatrix,!1,y),r.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix),i.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,t)}const g=i._sectionPlanesState.sectionPlanes.length;if(g>0){const e=i._sectionPlanesState.sectionPlanes,s=t.layerIndex*g,a=n.renderFlags;for(let t=0;t<g;t++){const n=this._uSectionPlanes[t];if(n){const i=a.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,i?1:0),i){const s=e[t];if(c){const e=N(s.dist,s.dir,c,Wo);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}const T="edge"===e.snapMode?r.LINES:r.POINTS;l.numEdgeIndices8Bits>0&&(o.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),r.drawArrays(T,0,l.numEdgeIndices8Bits)),l.numEdgeIndices16Bits>0&&(o.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),r.drawArrays(T,0,l.numEdgeIndices16Bits)),l.numEdgeIndices32Bits>0&&(o.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),r.drawArrays(T,0,l.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ge(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uPickInvisible=s.getLocation("pickInvisible"),this._uSceneModelWorldMatrix=s.getLocation("sceneModelWorldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc"),this.uVectorA=s.getLocation("uSnapVectorA"),this.uInverseVectorAB=s.getLocation("uSnapInvVectorAB"),this._uLayerNumber=s.getLocation("uLayerNumber"),this._uCoordinateScaler=s.getLocation("uCoordinateScaler")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("#version 300 es"),s.push("// Batched geometry edges drawing vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("precision highp usampler2D;"),s.push("precision highp isampler2D;"),s.push("precision highp sampler2D;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("precision mediump usampler2D;"),s.push("precision mediump isampler2D;"),s.push("precision mediump sampler2D;"),s.push("#endif"),s.push("uniform int renderPass;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("uniform mat4 sceneModelWorldMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),s.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),s.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),s.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),s.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),s.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),s.push("uniform highp sampler2D uTextureModelMatrices;"),s.push("uniform vec3 uCameraEyeRtc;"),s.push("uniform vec2 uSnapVectorA;"),s.push("uniform vec2 uSnapInvVectorAB;"),s.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),s.push("out float isPerspective;")),s.push("vec2 remapClipPos(vec2 clipPos) {"),s.push("    float x = (clipPos.x - uSnapVectorA.x) * uSnapInvVectorAB.x;"),s.push("    float y = (clipPos.y - uSnapVectorA.y) * uSnapInvVectorAB.y;"),s.push("    return vec2(x, y);"),s.push("}"),t&&(s.push("out vec4 vWorldPosition;"),s.push("flat out uint vFlags2;")),s.push("out vec4 vViewPosition;"),s.push("out highp vec3 relativeToOriginPosition;"),s.push("void main(void) {"),s.push("int edgeIndex = gl_VertexID / 2;"),s.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),s.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),s.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),s.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("{"),s.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),s.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),s.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),s.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),s.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),s.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),s.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),s.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),s.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),s.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),s.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),s.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),s.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),s.push("relativeToOriginPosition = worldPosition.xyz;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("  vFlags2 = flags2.r;")),s.push("vViewPosition = viewPosition;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),s.push("float tmp = clipPos.w;"),s.push("clipPos.xyzw /= tmp;"),s.push("clipPos.xy = remapClipPos(clipPos.xy);"),s.push("clipPos.xyzw *= tmp;"),s.push("vViewPosition = clipPos;"),e.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s.push("gl_Position = clipPos;"),s.push("gl_PointSize = 1.0;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// Triangles dataTexture pick depth fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform int uLayerNumber;"),n.push("uniform vec3 uCoordinateScaler;"),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uint vFlags2;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("in highp vec3 relativeToOriginPosition;"),n.push("out highp ivec4 outCoords;"),n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0u;"),n.push("  if (clippable) {"),n.push("      float dist = 0.0;");for(var i=0;i<t.sectionPlanes.length;i++)n.push("      if (sectionPlaneActive"+i+") {"),n.push("          dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),n.push("      }");n.push("      if (dist > 0.0) { discard; }"),n.push("  }")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, uLayerNumber);"),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Yo=h.vec3(),Xo=h.vec3(),qo=h.vec3(),Jo=h.vec3(),Zo=h.vec3(),$o=h.mat4();class ec{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const n=t.model,i=n.scene,a=i.camera,r=i.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin,{position:u,rotationMatrix:p,rotationMatrixConjugate:A}=n,d=t.aabb,f=e.pickViewMatrix||a.viewMatrix,I=Yo;let y,m;I[0]=h.safeInv(d[3]-d[0])*h.MAX_INT,I[1]=h.safeInv(d[4]-d[1])*h.MAX_INT,I[2]=h.safeInv(d[5]-d[2])*h.MAX_INT,e.snapPickCoordinateScale[0]=h.safeInv(I[0]),e.snapPickCoordinateScale[1]=h.safeInv(I[1]),e.snapPickCoordinateScale[2]=h.safeInv(I[2]),o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);const v=0!==c[0]||0!==c[1]||0!==c[2],w=0!==u[0]||0!==u[1]||0!==u[2];if(v||w){const t=Xo;if(v){const e=qo;h.transformPoint3(p,c,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=u[0],t[1]+=u[1],t[2]+=u[2],y=B(f,t,$o),m=Jo,m[0]=a.eye[0]-t[0],m[1]=a.eye[1]-t[1],m[2]=a.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else y=f,m=a.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;if(r.uniform3fv(this._uCameraEyeRtc,m),r.uniform2fv(this._uVectorA,e.snapVectorA),r.uniform2fv(this._uInverseVectorAB,e.snapInvVectorAB),r.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),r.uniform3fv(this._uCoordinateScaler,I),r.uniform1i(this._uRenderPass,s),r.uniform1i(this._uPickInvisible,e.pickInvisible),r.uniformMatrix4fv(this._uSceneWorldModelMatrix,!1,A),r.uniformMatrix4fv(this._uViewMatrix,!1,y),r.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix),i.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,t)}const g=i._sectionPlanesState.sectionPlanes.length;if(g>0){const e=i._sectionPlanesState.sectionPlanes,s=t.layerIndex*g,a=n.renderFlags;for(let t=0;t<g;t++){const n=this._uSectionPlanes[t];if(n){const i=a.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,i?1:0),i){const s=e[t];if(c){const e=N(s.dist,s.dir,c,Zo);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}l.numIndices8Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),r.drawArrays(r.TRIANGLES,0,l.numIndices8Bits)),l.numIndices16Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),r.drawArrays(r.TRIANGLES,0,l.numIndices16Bits)),l.numIndices32Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),r.drawArrays(r.TRIANGLES,0,l.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ge(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uPickInvisible=s.getLocation("pickInvisible"),this._uSceneWorldModelMatrix=s.getLocation("sceneModelWorldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc"),this._uVectorA=s.getLocation("uVectorAB"),this._uInverseVectorAB=s.getLocation("uInverseVectorAB"),this._uLayerNumber=s.getLocation("uLayerNumber"),this._uCoordinateScaler=s.getLocation("uCoordinateScaler")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("#version 300 es"),s.push("// TrianglesDataTextureSnapDepthBufInitRenderer vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("precision highp usampler2D;"),s.push("precision highp isampler2D;"),s.push("precision highp sampler2D;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("precision mediump usampler2D;"),s.push("precision mediump isampler2D;"),s.push("precision mediump sampler2D;"),s.push("#endif"),s.push("uniform int renderPass;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("uniform mat4 sceneModelWorldMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),s.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),s.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),s.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),s.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),s.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),s.push("uniform highp sampler2D uTextureModelMatrices;"),s.push("uniform vec3 uCameraEyeRtc;"),s.push("uniform vec2 uVectorAB;"),s.push("uniform vec2 uInverseVectorAB;"),s.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("out float isPerspective;")),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),s.push("vec2 remapClipPos(vec2 clipPos) {"),s.push("    float x = (clipPos.x - uVectorAB.x) * uInverseVectorAB.x;"),s.push("    float y = (clipPos.y - uVectorAB.y) * uInverseVectorAB.y;"),s.push("    return vec2(x, y);"),s.push("}"),t&&(s.push("out vec4 vWorldPosition;"),s.push("flat out uint vFlags2;")),s.push("out highp vec3 relativeToOriginPosition;"),s.push("void main(void) {"),s.push("int polygonIndex = gl_VertexID / 3;"),s.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),s.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),s.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),s.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("{"),s.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),s.push("uvec4 color = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),s.push("if (color.a == 0u) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("};"),s.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),s.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),s.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),s.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),s.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),s.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),s.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),s.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),s.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),s.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),s.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),s.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),s.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),s.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),s.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),s.push("vec3 position;"),s.push("position = positions[gl_VertexID % 3];"),s.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),s.push("if (solid != 1u) {"),s.push("  if (isPerspectiveMatrix(projMatrix)) {"),s.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),s.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),s.push("          position = positions[2 - (gl_VertexID % 3)];"),s.push("          viewNormal = -viewNormal;"),s.push("      }"),s.push("  } else {"),s.push("      if (viewNormal.z < 0.0) {"),s.push("          position = positions[2 - (gl_VertexID % 3)];"),s.push("          viewNormal = -viewNormal;"),s.push("      }"),s.push("  }"),s.push("}"),s.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),s.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),s.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),s.push("relativeToOriginPosition = worldPosition.xyz;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags2 = flags2.r;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),s.push("float tmp = clipPos.w;"),s.push("clipPos.xyzw /= tmp;"),s.push("clipPos.xy = remapClipPos(clipPos.xy);"),s.push("clipPos.z += 0.0001;"),s.push("clipPos.xyzw *= tmp;"),e.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s.push("gl_Position = clipPos;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// TrianglesDataTextureSnapDepthBufInitRenderer fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform int uLayerNumber;"),n.push("uniform vec3 uCoordinateScaler;"),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uint vFlags2;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("in highp vec3 relativeToOriginPosition;"),n.push("out highp ivec4 outCoords;"),n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0u;"),n.push("  if (clippable) {"),n.push("      float dist = 0.0;");for(var i=0;i<t.sectionPlanes.length;i++)n.push("      if (sectionPlaneActive"+i+") {"),n.push("          dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),n.push("      }");n.push("      if (dist > 0.0) { discard; }"),n.push("  }")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, - uLayerNumber);"),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const tc=h.vec3();class sc{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){const n=t.model,i=n.scene,a=i.camera,r=i.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin;this._program||this._allocate(t),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureCameraMatrices,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);let u=a.eye;e.pickViewMatrix&&(o.bindPickCameraTexture(this._program,this._uTextureCameraMatrices),u=e.pickOrigin||u);const h=[u[0]-c[0],u[1]-c[1],u[2]-c[2]];if(r.uniform3fv(this._uCameraEyeRtc,h),r.uniform1i(this._uRenderPass,s),r.uniform3fv(this._uCameraEyeRtc,h),r.uniform1i(this._uPickInvisible,e.pickInvisible),i.logarithmicDepthBufferEnabled){const e=2/(Math.log(a.project.far+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,e)}const p=i._sectionPlanesState.sectionPlanes.length;if(p>0){const e=i._sectionPlanesState.sectionPlanes,s=t.layerIndex*p,a=n.renderFlags;for(let t=0;t<p;t++){const n=this._uSectionPlanes[t];if(n){const i=a.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,i?1:0),i){const s=e[t];if(c){const e=N(s.dist,s.dir,c,tc);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}l.numIndices8Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),r.drawArrays(r.TRIANGLES,0,l.numIndices8Bits)),l.numIndices16Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),r.drawArrays(r.TRIANGLES,0,l.numIndices16Bits)),l.numIndices32Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),r.drawArrays(r.TRIANGLES,0,l.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ge(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uPickInvisible=s.getLocation("pickInvisible"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureCameraMatrices="uTextureCameraMatrices",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("#version 300 es"),s.push("// Triangles dataTexture pick normals vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("precision highp usampler2D;"),s.push("precision highp isampler2D;"),s.push("precision highp sampler2D;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("precision mediump usampler2D;"),s.push("precision mediump isampler2D;"),s.push("precision mediump sampler2D;"),s.push("#endif"),s.push("uniform int renderPass;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("uniform bool pickInvisible;"),s.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),s.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),s.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),s.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),s.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),s.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),s.push("uniform highp sampler2D uTextureCameraMatrices;"),s.push("uniform highp sampler2D uTextureModelMatrices;"),s.push("uniform vec3 uCameraEyeRtc;"),s.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("out float isPerspective;")),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),t&&(s.push("out vec4 vWorldPosition;"),s.push("flat out uint vFlags2;")),s.push("out vec3 vWorldNormal;"),s.push("void main(void) {"),s.push("mat4 viewMatrix = mat4 (texelFetch (uTextureCameraMatrices, ivec2(0, 0), 0), texelFetch (uTextureCameraMatrices, ivec2(1, 0), 0), texelFetch (uTextureCameraMatrices, ivec2(2, 0), 0), texelFetch (uTextureCameraMatrices, ivec2(3, 0), 0));"),s.push("mat4 projMatrix = mat4 (texelFetch (uTextureCameraMatrices, ivec2(0, 2), 0), texelFetch (uTextureCameraMatrices, ivec2(1, 2), 0), texelFetch (uTextureCameraMatrices, ivec2(2, 2), 0), texelFetch (uTextureCameraMatrices, ivec2(3, 2), 0));"),s.push("mat4 worldMatrix = mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),s.push("int polygonIndex = gl_VertexID / 3;"),s.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),s.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),s.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),s.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("if (int(flags.w) != renderPass) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("} else {"),s.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),s.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),s.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),s.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),s.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),s.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),s.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),s.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),s.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),s.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),s.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),s.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),s.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),s.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),s.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),s.push("vec3 position;"),s.push("position = positions[gl_VertexID % 3];"),s.push("if (solid != 1u) {"),s.push("if (isPerspectiveMatrix(projMatrix)) {"),s.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),s.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),s.push("position = positions[2 - (gl_VertexID % 3)];"),s.push("normal = -normal;"),s.push("}"),s.push("} else {"),s.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),s.push("if (viewNormal.z < 0.0) {"),s.push("position = positions[2 - (gl_VertexID % 3)];"),s.push("normal = -normal;"),s.push("}"),s.push("}"),s.push("}"),s.push("normal = -normal;"),s.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),s.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),s.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),s.push("vec4 viewPosition = viewMatrix * worldPosition; "),s.push("vWorldNormal = normal.xyz;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags2 = flags2.w;")),s.push("gl_Position = clipPos;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// Triangles dataTexture pick normals fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uint vFlags2;");for(var i=0;i<t.sectionPlanes.length;i++)n.push("uniform bool sectionPlaneActive"+i+";"),n.push("uniform vec3 sectionPlanePos"+i+";"),n.push("uniform vec3 sectionPlaneDir"+i+";")}if(n.push("in vec3 vWorldNormal;"),n.push("out vec4 outNormal;"),n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0u;"),n.push("  if (clippable) {"),n.push("      float dist = 0.0;");for(i=0;i<t.sectionPlanes.length;i++)n.push("      if (sectionPlaneActive"+i+") {"),n.push("          dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),n.push("      }");n.push("      if (dist > 0.0) { discard; }"),n.push("  }")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("    outNormal = vec4((vWorldNormal * 0.5) + 0.5, 1.0);"),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}h.vec3(),h.vec3(),h.vec3(),h.vec3(),h.mat4();class nc{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ge(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uWorldMatrix=s.getLocation("worldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._aPosition=s.getAttribute("position"),this._aOffset=s.getAttribute("offset"),this._aColor=s.getAttribute("color"),this._aFlags=s.getAttribute("flags"),this._aFlags2=s.getAttribute("flags2"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC"))}_bindProgram(){const e=this._scene,t=e.canvas.gl,s=e.camera.project;if(this._program.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,s.matrix),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("#version 300 es"),s.push("// TrianglesDataTextureColorRenderer vertex shader"),s.push("uniform int renderPass;"),s.push("attribute vec3 position;"),e.entityOffsetsEnabled&&s.push("attribute vec3 offset;"),s.push("attribute vec4 color;"),s.push("attribute vec4 flags;"),s.push("attribute vec4 flags2;"),s.push("uniform mat4 worldMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform mat4 positionsDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),ce.SUPPORTED_EXTENSIONS.EXT_frag_depth&&s.push("out float vFragDepth;"),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),s.push("out float isPerspective;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out vec4 vFlags2;")),s.push("void main(void) {"),s.push("if (int(flags.x) != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags2 = flags2;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s.push("gl_Position = clipPos;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// TrianglesDataTextureColorRenderer fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s){n.push("in vec4 vWorldPosition;"),n.push("in vec4 vFlags2;");for(let e=0;e<t.sectionPlanes.length;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("void main(void) {"),s){n.push("  bool clippable = (float(vFlags2.x) > 0.0);"),n.push("  if (clippable) {"),n.push("      float dist = 0.0;");for(let e=0;e<t.sectionPlanes.length;e++)n.push("      if (sectionPlaneActive"+e+") {"),n.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("      }");n.push("      if (dist > 0.0) { discard; }"),n.push("  }")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepthEXT = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("   gl_FragColor = vec4(0.0, 0.0, 1.0, 1.0); "),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const ic=h.vec3(),ac=h.vec3(),rc=h.vec3(),lc=h.vec3(),oc=h.mat4();class cc{constructor(e){this._scene=e,this._allocate(),this._hash=this._getHash()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){const n=this._scene,i=n.camera,a=t.model,r=n.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin,{position:u,rotationMatrix:p,rotationMatrixConjugate:A}=a;if(!this._program&&(this._allocate(),this.errors))return;let d,f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,l)),o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);const I=0!==c[0]||0!==c[1]||0!==c[2],y=0!==u[0]||0!==u[1]||0!==u[2];if(I||y){const e=ic;if(I){const t=h.transformPoint3(p,c,ac);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=u[0],e[1]+=u[1],e[2]+=u[2],d=B(i.viewMatrix,e,oc),f=rc,f[0]=i.eye[0]-e[0],f[1]=i.eye[1]-e[1],f[2]=i.eye[2]-e[2]}else d=i.viewMatrix,f=i.eye;if(r.uniformMatrix4fv(this._uSceneModelWorldMatrix,!1,A),r.uniformMatrix4fv(this._uViewMatrix,!1,d),r.uniformMatrix4fv(this._uProjMatrix,!1,i.projMatrix),r.uniform3fv(this._uCameraEyeRtc,f),r.uniform1i(this._uRenderPass,s),n.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,t)}const m=n._sectionPlanesState.sectionPlanes.length;if(m>0){const e=n._sectionPlanesState.sectionPlanes,s=t.layerIndex*m,i=a.renderFlags;for(let t=0;t<m;t++){const n=this._uSectionPlanes[t];if(n){const a=i.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,a?1:0),a){const s=e[t];if(c){const e=N(s.dist,s.dir,c,lc);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}l.numIndices8Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),r.drawArrays(r.TRIANGLES,0,l.numIndices8Bits)),l.numIndices16Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),r.drawArrays(r.TRIANGLES,0,l.numIndices16Bits)),l.numIndices32Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),r.drawArrays(r.TRIANGLES,0,l.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ge(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uSceneModelWorldMatrix=s.getLocation("sceneModelWorldMatrix"),this._uWorldMatrix=s.getLocation("worldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,s=t.canvas.gl,n=this._program,i=t.camera.project;if(n.bind(),s.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(i.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState;e._lightsState;const s=t.sectionPlanes.length>0,n=[];return n.push("#version 300 es"),n.push("// Triangles dataTexture draw vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("precision highp usampler2D;"),n.push("precision highp isampler2D;"),n.push("precision highp sampler2D;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("precision mediump usampler2D;"),n.push("precision mediump isampler2D;"),n.push("precision mediump sampler2D;"),n.push("#endif"),n.push("uniform int renderPass;"),e.entityOffsetsEnabled&&n.push("in vec3 offset;"),n.push("uniform mat4 sceneModelWorldMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),n.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),n.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),n.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),n.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),n.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),n.push("uniform highp sampler2D uTextureModelMatrices;"),n.push("uniform vec3 uCameraEyeRtc;"),n.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("out float isPerspective;")),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out highp vec2 vHighPrecisionZW;"),s&&(n.push("out vec4 vWorldPosition;"),n.push("flat out uint vFlags2;")),n.push("void main(void) {"),n.push("int polygonIndex = gl_VertexID / 3;"),n.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),n.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),n.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),n.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),n.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),n.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),n.push("if (int(flags.x) != renderPass) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("} else {"),n.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),n.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),n.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),n.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),n.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),n.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),n.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),n.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),n.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),n.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),n.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),n.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),n.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),n.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),n.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),n.push("uvec4 color = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),n.push("if (color.a == 0u) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("};"),n.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),n.push("vec3 position;"),n.push("position = positions[gl_VertexID % 3];"),n.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),n.push("if (solid != 1u) {"),n.push("if (isPerspectiveMatrix(projMatrix)) {"),n.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),n.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),n.push("position = positions[2 - (gl_VertexID % 3)];"),n.push("viewNormal = -viewNormal;"),n.push("}"),n.push("} else {"),n.push("if (viewNormal.z < 0.0) {"),n.push("position = positions[2 - (gl_VertexID % 3)];"),n.push("viewNormal = -viewNormal;"),n.push("}"),n.push("}"),n.push("}"),n.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),n.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),n.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),n.push("vec4 viewPosition = viewMatrix * worldPosition; "),n.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(n.push("vWorldPosition = worldPosition;"),n.push("vFlags2 = flags2.r;")),n.push("gl_Position = clipPos;"),n.push("vHighPrecisionZW = gl_Position.zw;"),n.push("}"),n.push("}"),n}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// Triangles dataTexture draw fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),n.push("in highp vec2 vHighPrecisionZW;"),n.push("out vec4 outColor;"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uint vFlags2;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0u;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { "),n.push("      discard;"),n.push("  }"),n.push("}")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),n.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const uc=h.vec3(),hc=h.vec3(),pc=h.vec3(),Ac=h.vec3(),dc=h.mat4();class fc{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){const n=t.model,i=n.scene,a=i.camera,r=i.canvas.gl,l=t._state,o=t._state.origin,{position:c,rotationMatrix:u,rotationMatrixConjugate:p}=n,A=a.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let d,f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(t));const I=0!==o[0]||0!==o[1]||0!==o[2],y=0!==c[0]||0!==c[1]||0!==c[2];if(I||y){const e=uc;if(I){const t=hc;h.transformPoint3(u,o,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=c[0],e[1]+=c[1],e[2]+=c[2],d=B(A,e,dc),f=pc,f[0]=a.eye[0]-e[0],f[1]=a.eye[1]-e[1],f[2]=a.eye[2]-e[2]}else d=A,f=a.eye;r.uniform1i(this._uRenderPass,s),r.uniformMatrix4fv(this._uWorldMatrix,!1,p),r.uniformMatrix4fv(this._uViewMatrix,!1,d),r.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix),r.uniformMatrix4fv(this._uViewNormalMatrix,!1,a.viewNormalMatrix),r.uniformMatrix4fv(this._uWorldNormalMatrix,!1,n.worldNormalMatrix);const m=i._sectionPlanesState.sectionPlanes.length;if(m>0){const e=i._sectionPlanesState.sectionPlanes,s=t.layerIndex*m,a=n.renderFlags;for(let t=0;t<m;t++){const n=this._uSectionPlanes[t];if(n){const i=a.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,i?1:0),i){const s=e[t];if(o){const e=N(s.dist,s.dir,o,Ac);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}r.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,t._state.positionsDecodeMatrix),this._aPosition.bindArrayBuffer(l.positionsBuf),this._aOffset.bindArrayBuffer(l.offsetsBuf),this._aNormal.bindArrayBuffer(l.normalsBuf),this._aColor.bindArrayBuffer(l.colorsBuf),this._aFlags.bindArrayBuffer(l.flagsBuf),this._aFlags2&&this._aFlags2.bindArrayBuffer(l.flags2Buf),l.indicesBuf.bind(),r.drawElements(r.TRIANGLES,l.indicesBuf.numItems,l.indicesBuf.itemType,0)}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ge(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uWorldMatrix=s.getLocation("worldMatrix"),this._uWorldNormalMatrix=s.getLocation("worldNormalMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uViewNormalMatrix=s.getLocation("viewNormalMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._aPosition=s.getAttribute("position"),this._aOffset=s.getAttribute("offset"),this._aNormal=s.getAttribute("normal"),this._aColor=s.getAttribute("color"),this._aFlags=s.getAttribute("flags"),this._aFlags2&&(this._aFlags2=s.getAttribute("flags2")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC"))}_bindProgram(){const e=this._scene,t=e.canvas.gl,s=e.camera.project;if(this._program.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,s.matrix),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("// Batched geometry normals vertex shader"),e.logarithmicDepthBufferEnabled&&ce.SUPPORTED_EXTENSIONS.EXT_frag_depth&&s.push("#extension GL_EXT_frag_depth : enable"),s.push("uniform int renderPass;"),s.push("attribute vec3 position;"),e.entityOffsetsEnabled&&s.push("attribute vec3 offset;"),s.push("attribute vec3 normal;"),s.push("attribute vec4 color;"),s.push("attribute vec4 flags;"),s.push("attribute vec4 flags2;"),s.push("uniform mat4 worldMatrix;"),s.push("uniform mat4 worldNormalMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform mat4 viewNormalMatrix;"),s.push("uniform mat4 positionsDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),ce.SUPPORTED_EXTENSIONS.EXT_frag_depth&&s.push("out float vFragDepth;"),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),s.push("varying float isPerspective;")),s.push("vec3 octDecode(vec2 oct) {"),s.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),s.push("    if (v.z < 0.0) {"),s.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),s.push("    }"),s.push("    return normalize(v);"),s.push("}"),t&&(s.push("out vec4 vWorldPosition;"),s.push("out vec4 vFlags2;")),s.push("out vec3 vViewNormal;"),s.push("void main(void) {"),s.push("if (int(flags.x) != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),s.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),s.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(s.push("      vWorldPosition  = worldPosition;"),s.push("      vFlags2         = flags2;")),s.push("      vViewNormal = viewNormal;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(ce.SUPPORTED_EXTENSIONS.EXT_frag_depth?s.push("vFragDepth = 1.0 + clipPos.w;"):(s.push("clipPos.z = log2( max( 1e-6, clipPos.w + 1.0 ) ) * logDepthBufFC - 1.0;"),s.push("clipPos.z *= clipPos.w;")),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s.push("gl_Position = clipPos;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// Batched geometry normals fragment shader"),e.logarithmicDepthBufferEnabled&&ce.SUPPORTED_EXTENSIONS.EXT_frag_depth&&n.push("#extension GL_EXT_frag_depth : enable"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&ce.SUPPORTED_EXTENSIONS.EXT_frag_depth&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s){n.push("in vec4 vWorldPosition;"),n.push("in vec4 vFlags2;");for(let e=0;e<t.sectionPlanes.length;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("in vec3 vViewNormal;"),n.push("vec3 packNormalToRGB( const in vec3 normal ) {"),n.push("    return normalize( normal ) * 0.5 + 0.5;"),n.push("}"),n.push("void main(void) {"),s){n.push("  bool clippable = (float(vFlags2.x) > 0.0);"),n.push("  if (clippable) {"),n.push("      float dist = 0.0;");for(var i=0;i<t.sectionPlanes.length;i++)n.push("      if (sectionPlaneActive"+i+") {"),n.push("          dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),n.push("      }");n.push("      if (dist > 0.0) { discard; }"),n.push("  }")}return e.logarithmicDepthBufferEnabled&&ce.SUPPORTED_EXTENSIONS.EXT_frag_depth&&n.push("    gl_FragDepthEXT = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("    gl_FragColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Ic=h.vec3();class yc{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){const n=t.model,i=n.scene,a=i.camera,r=i.canvas.gl,l=t._state,o=t._state.origin;this._program||this._allocate(t),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),this._program.bindTexture(this._uTexturePerObjectIdPositionsDecodeMatrix,{bind:function(e){return r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,l.texturePerObjectIdPositionsDecodeMatrix),!0},unbind:function(e){r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,null)}},1),this._program.bindTexture(this._uTexturePerVertexIdCoordinates,{bind:function(e){return r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,l.texturePerVertexIdCoordinates),!0},unbind:function(e){r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,null)}},2),this._program.bindTexture(this._uTexturePerObjectIdColorsAndFlags,{bind:function(e){return r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,l.texturePerObjectIdColorsAndFlags),!0},unbind:function(e){r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,null)}},3),r.uniform1i(this._uRenderPass,s),r.uniform1i(this._uPickInvisible,e.pickInvisible),r.uniformMatrix4fv(this._uWorldMatrix,!1,n.worldMatrix);const c=e.pickViewMatrix||a.viewMatrix,u=o?B(c,o):c;if(r.uniformMatrix4fv(this._uViewMatrix,!1,u),r.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),i.logarithmicDepthBufferEnabled){const e=2/(Math.log(a.project.far+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,e)}const h=i._sectionPlanesState.sectionPlanes.length;if(h>0){const e=i._sectionPlanesState.sectionPlanes,s=t.layerIndex*h,a=n.renderFlags;for(let t=0;t<h;t++){const n=this._uSectionPlanes[t],i=a.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,i?1:0),i){const s=e[t];if(o){const e=N(s.dist,s.dir,o,Ic);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}l.numIndices8Bits>0&&(this._program.bindTexture(this._uTexturePerPolygonIdPortionIds,{bind:function(e){return r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,l.texturePerPolygonIdPortionIds8Bits),!0},unbind:function(e){r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,null)}},4),this._program.bindTexture(this._uTexturePerPolygonIdIndices,{bind:function(e){return r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,l.texturePerPolygonIdIndices8Bits),!0},unbind:function(e){r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,null)}},5),r.drawArrays(r.TRIANGLES,0,l.numIndices8Bits)),l.numIndices16Bits>0&&(this._program.bindTexture(this._uTexturePerPolygonIdPortionIds,{bind:function(e){return r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,l.texturePerPolygonIdPortionIds16Bits),!0},unbind:function(e){r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,null)}},4),this._program.bindTexture(this._uTexturePerPolygonIdIndices,{bind:function(e){return r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,l.texturePerPolygonIdIndices16Bits),!0},unbind:function(e){r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,null)}},5),r.drawArrays(r.TRIANGLES,0,l.numIndices16Bits)),l.numIndices32Bits>0&&(this._program.bindTexture(this._uTexturePerPolygonIdPortionIds,{bind:function(e){return r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,l.texturePerPolygonIdPortionIds32Bits),!0},unbind:function(e){r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,null)}},4),this._program.bindTexture(this._uTexturePerPolygonIdIndices,{bind:function(e){return r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,l.texturePerPolygonIdIndices32Bits),!0},unbind:function(e){r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,null)}},5),r.drawArrays(r.TRIANGLES,0,l.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ge(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uPickInvisible=s.getLocation("pickInvisible"),this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uWorldMatrix=s.getLocation("worldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._aPackedVertexId=s.getAttribute("packedVertexId"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds"}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("#version 300 es"),s.push("// Triangles dataTexture pick flat normals vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("precision highp usampler2D;"),s.push("precision highp isampler2D;"),s.push("precision highp sampler2D;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("precision mediump usampler2D;"),s.push("precision mediump isampler2D;"),s.push("precision mediump sampler2D;"),s.push("#endif"),s.push("uniform int renderPass;"),s.push("in uvec3 packedVertexId;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("uniform bool pickInvisible;"),s.push("uniform mat4 worldMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),s.push("uniform usampler2D uTexturePerObjectIdColorsAndFlags;"),s.push("uniform usampler2D uTexturePerVertexIdCoordinates;"),s.push("uniform usampler2D uTexturePerPolygonIdIndices;"),s.push("uniform isampler2D uTexturePerPolygonIdNormals;"),s.push("uniform usampler2D uTexturePerPolygonIdPortionIds;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),s.push("out float isPerspective;")),s.push("out vec4 vWorldPosition;"),t&&s.push("out int vFlags2;"),s.push("void main(void) {"),s.push("int polygonIndex = gl_VertexID / 3;"),s.push("int h_normal_index = polygonIndex & 4095;"),s.push("int v_normal_index = polygonIndex >> 12;"),s.push("int h_packed_object_id_index = ((polygonIndex >> 3) / 2) & 4095;"),s.push("int v_packed_object_id_index = ((polygonIndex >> 3) / 2) >> 12;"),s.push("ivec3 packedObjectId = ivec3(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).rgb);"),s.push("int objectIndex;"),s.push("if (((polygonIndex >> 3) % 2) == 0) {"),s.push("  objectIndex = (packedObjectId.r << 4) + (packedObjectId.g >> 4);"),s.push("} else {"),s.push("  objectIndex = ((packedObjectId.g & 15) << 8) + packedObjectId.b;"),s.push("}"),s.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),s.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),s.push("int h_index = polygonIndex & 4095;"),s.push("int v_index = polygonIndex >> 12;"),s.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),s.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),s.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),s.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),s.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("vec3 position1 = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),s.push("vec3 position2 = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),s.push("vec3 position3 = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),s.push("vec3 normal = normalize(cross(position3 - position1, position2 - position1));"),s.push("int vertexNumber = gl_VertexID % 3;"),s.push("vec3 position;"),s.push("if (vertexNumber == 0) position = position1;"),s.push("else if (vertexNumber == 1) position = position2;"),s.push("else position = position3;"),s.push("if (int(flags.w) != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("      vWorldPosition = worldPosition;"),t&&s.push("      vFlags2 = flags2.r;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s.push("gl_Position = clipPos;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// Triangles dataTexture pick flat normals fragment shader"),n.push("#extension GL_OES_standard_derivatives : enable"),e.logarithmicDepthBufferEnabled&&n.push("#extension GL_EXT_frag_depth : enable"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("in vec4 vWorldPosition;"),s){n.push("in int vFlags2;");for(var i=0;i<t.sectionPlanes.length;i++)n.push("uniform bool sectionPlaneActive"+i+";"),n.push("uniform vec3 sectionPlanePos"+i+";"),n.push("uniform vec3 sectionPlaneDir"+i+";")}if(n.push("out vec4 outNormal;"),n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0;"),n.push("  if (clippable) {"),n.push("      float dist = 0.0;");for(i=0;i<t.sectionPlanes.length;i++)n.push("      if (sectionPlaneActive"+i+") {"),n.push("          dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),n.push("      }");n.push("      if (dist > 0.0) { discard; }"),n.push("  }")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),n.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),n.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),n.push("  outNormal = vec4((worldNormal * 0.5) + 0.5, 1.0);"),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class mc{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorQualityRendererWithSAO&&!this._colorQualityRendererWithSAO.getValid()&&(this._colorQualityRendererWithSAO.destroy(),this._colorQualityRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._vertexDepthRenderer&&!this._vertexDepthRenderer.getValid()&&(this._vertexDepthRenderer.destroy(),this._vertexDepthRenderer=null),this._snapDepthBufInitRenderer&&!this._snapDepthBufInitRenderer.getValid()&&(this._snapDepthBufInitRenderer.destroy(),this._snapDepthBufInitRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new uo(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new uo(this._scene,!0)),this._colorRendererWithSAO}get colorQualityRendererWithSAO(){return this._colorQualityRendererWithSAO||(this._colorQualityRendererWithSAO=new TrianglesDataTextureColorQualityRenderer(this._scene,!0)),this._colorQualityRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new mo(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new cc(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new fc(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new bo(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new _o(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new xo(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new sc(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new yc(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new Go(this._scene)),this._pickDepthRenderer}get vertexDepthRenderer(){return this._vertexDepthRenderer||(this._vertexDepthRenderer=new Ko(this._scene)),this._vertexDepthRenderer}get snapDepthBufInitRenderer(){return this._snapDepthBufInitRenderer||(this._snapDepthBufInitRenderer=new ec(this._scene)),this._snapDepthBufInitRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new nc(this._scene)),this._occlusionRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorQualityRendererWithSAO&&this._colorQualityRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._vertexDepthRenderer&&this._vertexDepthRenderer.destroy(),this._snapDepthBufInitRenderer&&this._snapDepthBufInitRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy()}}const vc={};class wc{constructor(){this.positionsCompressed=[],this.metallicRoughness=[],this.indices8Bits=[],this.indices16Bits=[],this.indices32Bits=[],this.edgeIndices8Bits=[],this.edgeIndices16Bits=[],this.edgeIndices32Bits=[],this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perObjectEdgeIndexBaseOffsets=[],this.perTriangleNumberPortionId8Bits=[],this.perTriangleNumberPortionId16Bits=[],this.perTriangleNumberPortionId32Bits=[],this.perEdgeNumberPortionId8Bits=[],this.perEdgeNumberPortionId16Bits=[],this.perEdgeNumberPortionId32Bits=[]}}class gc{constructor(){this.texturePerObjectIdColorsAndFlags=null,this.texturePerObjectIdOffsets=null,this.texturePerObjectIdPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerPolygonIdPortionIds8Bits=null,this.texturePerPolygonIdPortionIds16Bits=null,this.texturePerPolygonIdPortionIds32Bits=null,this.texturePerEdgeIdPortionIds8Bits=null,this.texturePerEdgeIdPortionIds16Bits=null,this.texturePerEdgeIdPortionIds32Bits=null,this.texturePerPolygonIdIndices8Bits=null,this.texturePerPolygonIdIndices16Bits=null,this.texturePerPolygonIdIndices32Bits=null,this.texturePerPolygonIdEdgeIndices8Bits=null,this.texturePerPolygonIdEdgeIndices16Bits=null,this.texturePerPolygonIdEdgeIndices32Bits=null,this.textureModelMatrices=null}finalize(){this.indicesPerBitnessTextures={8:this.texturePerPolygonIdIndices8Bits,16:this.texturePerPolygonIdIndices16Bits,32:this.texturePerPolygonIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerPolygonIdPortionIds8Bits,16:this.texturePerPolygonIdPortionIds16Bits,32:this.texturePerPolygonIdPortionIds32Bits},this.edgeIndicesPerBitnessTextures={8:this.texturePerPolygonIdEdgeIndices8Bits,16:this.texturePerPolygonIdEdgeIndices16Bits,32:this.texturePerPolygonIdEdgeIndices32Bits},this.edgeIndicesPortionIdsPerBitnessTextures={8:this.texturePerEdgeIdPortionIds8Bits,16:this.texturePerEdgeIdPortionIds16Bits,32:this.texturePerEdgeIdPortionIds32Bits}}bindCommonTextures(e,t,s,n,i,a){this.texturePerObjectIdPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,s,2),this.texturePerObjectIdColorsAndFlags.bindTexture(e,n,3),this.textureModelMatrices.bindTexture(e,i,4),this.texturePerObjectIdOffsets.bindTexture(e,a,5)}bindPickCameraTexture(e,t){}bindTriangleIndicesTextures(e,t,s,n){this.indicesPortionIdsPerBitnessTextures[n].bindTexture(e,t,6),this.indicesPerBitnessTextures[n].bindTexture(e,s,7)}bindEdgeIndicesTextures(e,t,s,n){this.edgeIndicesPortionIdsPerBitnessTextures[n].bindTexture(e,t,6),this.edgeIndicesPerBitnessTextures[n].bindTexture(e,s,7)}}class Tc{constructor(e,t,s,n,i=null){this._gl=e,this._texture=t,this._textureWidth=s,this._textureHeight=n,this._textureData=i}bindTexture(e,t,s){return e.bindTexture(t,this,s)}bind(e){return this._gl.activeTexture(this._gl["TEXTURE"+e]),this._gl.bindTexture(this._gl.TEXTURE_2D,this._texture),!0}unbind(e){}}const Ec={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTextureEdgeIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalPolygons:0,totalPolygons8Bits:0,totalPolygons16Bits:0,totalPolygons32Bits:0,totalEdges:0,totalEdges8Bits:0,totalEdges16Bits:0,totalEdges32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(Ec,null,4));let e=0;Object.keys(Ec).forEach((t=>{t.startsWith("size")&&(e+=Ec[t])})),console.log(`Total size ${e} bytes (${(e/1e3/1e3).toFixed(2)} MB)`),console.log(`Avg bytes / triangle: ${(e/Ec.totalPolygons).toFixed(2)}`);let t={};Object.keys(Ec).forEach((s=>{s.startsWith("size")&&(t[s]=`${(Ec[s]/e*100).toFixed(2)} % of total`)})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};class bc{disableBindedTextureFiltering(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}generateCameraDataTexture(e,t,s,n){const i=e.createTexture();e.bindTexture(e.TEXTURE_2D,i),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,4,3),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null);const a=new Tc(e,i,4,3);let r=!0;a.updateViewMatrix=(s,i)=>{e.bindTexture(e.TEXTURE_2D,a._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,4,1,e.RGBA,e.FLOAT,new Float32Array(n?B(s,n):s)),e.texSubImage2D(e.TEXTURE_2D,0,0,1,4,1,e.RGBA,e.FLOAT,new Float32Array(t.viewNormalMatrix)),e.texSubImage2D(e.TEXTURE_2D,0,0,2,4,1,e.RGBA,e.FLOAT,new Float32Array(i))};const l=()=>{r&&(r=!1,a.updateViewMatrix(t.viewMatrix,t.project.matrix))};return t.on("matrix",(()=>r=!0)),s.on("rendering",l),l(),a}generatePickCameraDataTexture(e,t,s){const n=e.createTexture();e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,4,3),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null);const i=new Tc(e,n,4,3);return i.updateViewMatrix=(n,a)=>{e.bindTexture(e.TEXTURE_2D,i._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,4,1,e.RGBA,e.FLOAT,new Float32Array(s?B(n,s):n)),e.texSubImage2D(e.TEXTURE_2D,0,0,1,4,1,e.RGBA,e.FLOAT,new Float32Array(t.viewNormalMatrix)),e.texSubImage2D(e.TEXTURE_2D,0,0,2,4,1,e.RGBA,e.FLOAT,new Float32Array(a))},i}generateModelTexture(e,t){const s=e.createTexture();return e.bindTexture(e.TEXTURE_2D,s),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,4,2),e.texSubImage2D(e.TEXTURE_2D,0,0,0,4,1,e.RGBA,e.FLOAT,new Float32Array(t.worldMatrix)),e.texSubImage2D(e.TEXTURE_2D,0,0,1,4,1,e.RGBA,e.FLOAT,new Float32Array(t.worldNormalMatrix)),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Tc(e,s,4,2)}generateTextureForColorsAndFlags(e,t,s,n,i,a,r){const l=t.length;this.numPortions=l;const o=4096,c=Math.ceil(l/512);if(0===c)throw"texture height===0";const u=new Uint8Array(16384*c);Ec.sizeDataColorsAndFlags+=u.byteLength,Ec.numberOfTextures++;for(let e=0;e<l;e++)u.set(t[e],32*e+0),u.set(s[e],32*e+4),u.set([0,0,0,0],32*e+8),u.set([0,0,0,0],32*e+12),u.set([n[e]>>24&255,n[e]>>16&255,n[e]>>8&255,255&n[e]],32*e+16),u.set([i[e]>>24&255,i[e]>>16&255,i[e]>>8&255,255&i[e]],32*e+20),u.set([a[e]>>24&255,a[e]>>16&255,a[e]>>8&255,255&a[e]],32*e+24),u.set([r[e]?1:0,0,0,0],32*e+28);const h=e.createTexture();return e.bindTexture(e.TEXTURE_2D,h),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,o,c),e.texSubImage2D(e.TEXTURE_2D,0,0,0,o,c,e.RGBA_INTEGER,e.UNSIGNED_BYTE,u,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Tc(e,h,o,c,u)}generateTextureForObjectOffsets(e,t){const s=512,n=Math.ceil(t/s);if(0===n)throw"texture height===0";const i=new Float32Array(1536*n).fill(0);Ec.sizeDataTextureOffsets+=i.byteLength,Ec.numberOfTextures++;const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RGB,e.FLOAT,i,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Tc(e,a,s,n,i)}generateTextureForPositionsDecodeMatrices(e,t,s){const n=t.length;if(0===n)throw"num decode+entity matrices===0";const i=2048,a=Math.ceil(n/512),r=new Float32Array(8192*a);Ec.sizeDataPositionDecodeMatrices+=r.byteLength,Ec.numberOfTextures++;const l=h.mat4();for(let e=0;e<t.length;e++)r.set(h.mulMat4(s[e],t[e],l),16*e);const o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,i,a),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,a,e.RGBA,e.FLOAT,r,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Tc(e,o,i,a)}generateTextureFor8BitIndices(e,t){if(0===t.length)return{texture:null,textureHeight:0};const s=4096,n=Math.ceil(t.length/3/s);if(0===n)throw"texture height===0";const i=new Uint8Array(s*n*3);Ec.sizeDataTextureIndices+=i.byteLength,Ec.numberOfTextures++,i.fill(0),i.set(t,0);const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RGB_INTEGER,e.UNSIGNED_BYTE,i,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Tc(e,a,s,n)}generateTextureFor16BitIndices(e,t){if(0===t.length)return{texture:null,textureHeight:0};const s=4096,n=Math.ceil(t.length/3/s);if(0===n)throw"texture height===0";const i=new Uint16Array(s*n*3);Ec.sizeDataTextureIndices+=i.byteLength,Ec.numberOfTextures++,i.fill(0),i.set(t,0);const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RGB_INTEGER,e.UNSIGNED_SHORT,i,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Tc(e,a,s,n)}generateTextureFor32BitIndices(e,t){if(0===t.length)return{texture:null,textureHeight:0};const s=4096,n=Math.ceil(t.length/3/s);if(0===n)throw"texture height===0";const i=new Uint32Array(s*n*3);Ec.sizeDataTextureIndices+=i.byteLength,Ec.numberOfTextures++,i.fill(0),i.set(t,0);const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RGB_INTEGER,e.UNSIGNED_INT,i,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Tc(e,a,s,n)}generateTextureFor8BitsEdgeIndices(e,t){if(0===t.length)return{texture:null,textureHeight:0};const s=4096,n=Math.ceil(t.length/2/s);if(0===n)throw"texture height===0";const i=new Uint8Array(s*n*2);Ec.sizeDataTextureEdgeIndices+=i.byteLength,Ec.numberOfTextures++,i.fill(0),i.set(t,0);const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RG8UI,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RG_INTEGER,e.UNSIGNED_BYTE,i,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Tc(e,a,s,n)}generateTextureFor16BitsEdgeIndices(e,t){if(0===t.length)return{texture:null,textureHeight:0};const s=4096,n=Math.ceil(t.length/2/s);if(0===n)throw"texture height===0";const i=new Uint16Array(s*n*2);Ec.sizeDataTextureEdgeIndices+=i.byteLength,Ec.numberOfTextures++,i.fill(0),i.set(t,0);const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RG16UI,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RG_INTEGER,e.UNSIGNED_SHORT,i,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Tc(e,a,s,n)}generateTextureFor32BitsEdgeIndices(e,t){if(0===t.length)return{texture:null,textureHeight:0};const s=4096,n=Math.ceil(t.length/2/s);if(0===n)throw"texture height===0";const i=new Uint32Array(s*n*2);Ec.sizeDataTextureEdgeIndices+=i.byteLength,Ec.numberOfTextures++,i.fill(0),i.set(t,0);const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RG32UI,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RG_INTEGER,e.UNSIGNED_INT,i,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Tc(e,a,s,n)}generateTextureForPositions(e,t){const s=t.length/3,n=4096,i=Math.ceil(s/n);if(0===i)throw"texture height===0";const a=new Uint16Array(n*i*3);Ec.sizeDataTexturePositions+=a.byteLength,Ec.numberOfTextures++,a.fill(0),a.set(t,0);const r=e.createTexture();return e.bindTexture(e.TEXTURE_2D,r),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,n,i),e.texSubImage2D(e.TEXTURE_2D,0,0,0,n,i,e.RGB_INTEGER,e.UNSIGNED_SHORT,a,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Tc(e,r,n,i)}generateTextureForPackedPortionIds(e,t){if(0===t.length)return{texture:null,textureHeight:0};const s=t.length,n=4096,i=Math.ceil(s/n);if(0===i)throw"texture height===0";const a=new Uint16Array(n*i);a.set(t,0),Ec.sizeDataTexturePortionIds+=a.byteLength,Ec.numberOfTextures++;const r=e.createTexture();return e.bindTexture(e.TEXTURE_2D,r),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,n,i),e.texSubImage2D(e.TEXTURE_2D,0,0,0,n,i,e.RED_INTEGER,e.UNSIGNED_SHORT,a,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Tc(e,r,n,i)}}const Dc=h.vec4([0,0,0,1]),Pc=h.vec4([0,0,0,1]),Rc=h.vec4([0,0,0,1]),Cc=new Uint8Array(4),_c=new Float32Array(3),Bc=h.AABB3();let Oc=0;const Sc=h.identityMat4();class Nc{constructor(e,t){Ec.numberOfLayers++,this._layerNumber=Oc++,this.sortId=`TriDTX-${this._layerNumber}`,this.layerIndex=t.layerIndex,this._dataTextureRenderers=function(e){const t=e.id;let s=vc[t];return s||(s=new mc(e),vc[t]=s,s._compile(),e.on("compile",(()=>{s._compile()})),e.on("destroyed",(()=>{delete vc[t],s._destroy()}))),s}(e.scene),this.model=e,this._buffer=new wc,this._dataTextureState=new gc,this._dataTextureGenerator=new bc,this._state=new je({origin:h.vec3(t.origin),metallicRoughnessBuf:null,positionsDecodeMatrix:h.mat4(),textureState:this._dataTextureState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numEdgeIndices8Bits:0,numEdgeIndices16Bits:0,numEdgeIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this._portionToSubPortionsMap=[],this._bucketGeometries={},this.aabb=h.collapseAABB3(),this._numUpdatesInFrame=0,this._finalized=!1}canCreatePortion(e){if(this._finalized)throw"Already finalized";const t=e.buckets.length;this._numPortions+t>65536&&Ec.cannotCreatePortion.because10BitsObjectId++;let s=this._numPortions+t<=65536;const n=void 0!==e.geometryId&&null!==e.geometryId?`${e.geometryId}#0`:`${e.id}#0`;if(!this._bucketGeometries[n]){const t=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits);let n=0,i=0;e.buckets.forEach((e=>{n+=e.positionsCompressed.length/3,i+=e.indices.length/3})),(this._state.numVertices+n>16777216||t+i>16777216)&&Ec.cannotCreatePortion.becauseTextureSize++,s&&=this._state.numVertices+n<=16777216&&t+i<=16777216}return s}createPortion(e){if(this._finalized)throw"Already finalized";const t=[],s=e.worldAABB;e.buckets.forEach(((n,i)=>{const a=void 0!==e.geometryId&&null!==e.geometryId?`${e.geometryId}#${i}`:`${e.id}#${i}`;let r=this._bucketGeometries[a];r||(r=this._createBucketGeometry(e,n),this._bucketGeometries[a]=r);const l=h.collapseAABB3(Bc),o=this._createSubPortion(e,r,n,l);h.expandAABB3(s,l),t.push(o)}));const n=this._state.origin;0===n[0]&&0===n[1]&&0===n[2]||(s[0]+=n[0],s[1]+=n[1],s[2]+=n[2],s[3]+=n[0],s[4]+=n[1],s[5]+=n[2]),h.expandAABB3(this.aabb,s);const i=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(t),this.model.numPortions++,i}_createBucketGeometry(e,t){if(t.indices){const e=8*Math.ceil(t.indices.length/3/8)*3;Ec.overheadSizeAlignementIndices+=2*(e-t.indices.length);const s=new Uint32Array(e);s.fill(0),s.set(t.indices),t.indices=s}if(t.edgeIndices){const e=8*Math.ceil(t.edgeIndices.length/2/8)*2;Ec.overheadSizeAlignementEdgeIndices+=2*(e-t.edgeIndices.length);const s=new Uint32Array(e);s.fill(0),s.set(t.edgeIndices),t.edgeIndices=s}const s=t.positionsCompressed,n=t.indices,i=t.edgeIndices,a=this._buffer,r=a.positionsCompressed.length/3,l=s.length/3;for(let e=0,t=s.length;e<t;e++)a.positionsCompressed.push(s[e]);let o,c,u=0;if(n){let e;u=n.length/3,e=l<=256?a.indices8Bits:l<=65536?a.indices16Bits:a.indices32Bits,o=e.length/3;for(let t=0,s=n.length;t<s;t++)e.push(n[t])}let p=0;if(i){let e;p=i.length/2,e=l<=256?a.edgeIndices8Bits:l<=65536?a.edgeIndices16Bits:a.edgeIndices32Bits,c=e.length/2;for(let t=0,s=i.length;t<s;t++)e.push(i[t])}this._state.numVertices+=l,Ec.numberOfGeometries++;const A=h.collapseAABB3();h.expandAABB3Points3(A,t.positionsCompressed),gt.decompressAABB(A,e.positionsDecodeMatrix);return{vertexBase:r,numVertices:l,numTriangles:u,numEdges:p,indicesBase:o,edgeIndicesBase:c,aabb:A,obb:null}}_createSubPortion(e,t,s,n){const i=e.color;e.metallic,e.roughness;const a=e.colors,r=e.opacity,l=e.meshMatrix,o=e.sceneModelMatrix,c=e.pickColor,u=this._buffer,p=this._state;if(u.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),u.perObjectInstancePositioningMatrices.push(l||Sc),l||o){t.obb||(t.obb=h.AABB3ToOBB3(t.aabb));const e=t.obb;for(let t=0,s=e.length;t<s;t+=4)Dc[0]=e[t+0],Dc[1]=e[t+1],Dc[2]=e[t+2],Dc[3]=1,l&&h.transformPoint4(l,Dc,Pc),o?(h.transformPoint4(o,Pc,Rc),h.expandAABB3Point3(n,Rc)):h.expandAABB3Point3(n,Pc)}else h.expandAABB3(n,t.aabb);u.perObjectSolid.push(!!e.solid),a?u.perObjectColors.push([255*a[0],255*a[1],255*a[2],255]):i&&u.perObjectColors.push([i[0],i[1],i[2],r]),u.perObjectPickColors.push(c),u.perObjectVertexBases.push(t.vertexBase);{let e;e=t.numVertices<=256?p.numIndices8Bits:t.numVertices<=65536?p.numIndices16Bits:p.numIndices32Bits,u.perObjectIndexBaseOffsets.push(e/3-t.indicesBase)}{let e;e=t.numVertices<=256?p.numEdgeIndices8Bits:t.numVertices<=65536?p.numEdgeIndices16Bits:p.numEdgeIndices32Bits,u.perObjectEdgeIndexBaseOffsets.push(e/2-t.edgeIndicesBase)}const A=this._subPortions.length;if(t.numTriangles>0){let e,s=3*t.numTriangles;t.numVertices<=256?(e=u.perTriangleNumberPortionId8Bits,p.numIndices8Bits+=s,Ec.totalPolygons8Bits+=t.numTriangles):t.numVertices<=65536?(e=u.perTriangleNumberPortionId16Bits,p.numIndices16Bits+=s,Ec.totalPolygons16Bits+=t.numTriangles):(e=u.perTriangleNumberPortionId32Bits,p.numIndices32Bits+=s,Ec.totalPolygons32Bits+=t.numTriangles),Ec.totalPolygons+=t.numTriangles;for(let s=0;s<t.numTriangles;s+=8)e.push(A)}if(t.numEdges>0){let e,s=2*t.numEdges;t.numVertices<=256?(e=u.perEdgeNumberPortionId8Bits,p.numEdgeIndices8Bits+=s,Ec.totalEdges8Bits+=t.numEdges):t.numVertices<=65536?(e=u.perEdgeNumberPortionId16Bits,p.numEdgeIndices16Bits+=s,Ec.totalEdges16Bits+=t.numEdges):(e=u.perEdgeNumberPortionId32Bits,p.numEdgeIndices32Bits+=s,Ec.totalEdges32Bits+=t.numEdges),Ec.totalEdges+=t.numEdges;for(let s=0;s<t.numEdges;s+=8)e.push(A)}return this._subPortions.push({numVertices:t.numTriangles}),this._numPortions++,Ec.numberOfPortions++,A}finalize(){if(this._finalized)return;const e=this._state,t=this._dataTextureState,s=this.model.scene.canvas.gl,n=this._buffer;e.gl=s,t.texturePerObjectIdColorsAndFlags=this._dataTextureGenerator.generateTextureForColorsAndFlags(s,n.perObjectColors,n.perObjectPickColors,n.perObjectVertexBases,n.perObjectIndexBaseOffsets,n.perObjectEdgeIndexBaseOffsets,n.perObjectSolid),t.texturePerObjectIdOffsets=this._dataTextureGenerator.generateTextureForObjectOffsets(s,this._numPortions),t.texturePerObjectIdPositionsDecodeMatrix=this._dataTextureGenerator.generateTextureForPositionsDecodeMatrices(s,n.perObjectPositionsDecodeMatrices,n.perObjectInstancePositioningMatrices),t.texturePerVertexIdCoordinates=this._dataTextureGenerator.generateTextureForPositions(s,n.positionsCompressed),t.texturePerPolygonIdPortionIds8Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(s,n.perTriangleNumberPortionId8Bits),t.texturePerPolygonIdPortionIds16Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(s,n.perTriangleNumberPortionId16Bits),t.texturePerPolygonIdPortionIds32Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(s,n.perTriangleNumberPortionId32Bits),n.perEdgeNumberPortionId8Bits.length>0&&(t.texturePerEdgeIdPortionIds8Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(s,n.perEdgeNumberPortionId8Bits)),n.perEdgeNumberPortionId16Bits.length>0&&(t.texturePerEdgeIdPortionIds16Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(s,n.perEdgeNumberPortionId16Bits)),n.perEdgeNumberPortionId32Bits.length>0&&(t.texturePerEdgeIdPortionIds32Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(s,n.perEdgeNumberPortionId32Bits)),n.indices8Bits.length>0&&(t.texturePerPolygonIdIndices8Bits=this._dataTextureGenerator.generateTextureFor8BitIndices(s,n.indices8Bits)),n.indices16Bits.length>0&&(t.texturePerPolygonIdIndices16Bits=this._dataTextureGenerator.generateTextureFor16BitIndices(s,n.indices16Bits)),n.indices32Bits.length>0&&(t.texturePerPolygonIdIndices32Bits=this._dataTextureGenerator.generateTextureFor32BitIndices(s,n.indices32Bits)),n.edgeIndices8Bits.length>0&&(t.texturePerPolygonIdEdgeIndices8Bits=this._dataTextureGenerator.generateTextureFor8BitsEdgeIndices(s,n.edgeIndices8Bits)),n.edgeIndices16Bits.length>0&&(t.texturePerPolygonIdEdgeIndices16Bits=this._dataTextureGenerator.generateTextureFor16BitsEdgeIndices(s,n.edgeIndices16Bits)),n.edgeIndices32Bits.length>0&&(t.texturePerPolygonIdEdgeIndices32Bits=this._dataTextureGenerator.generateTextureFor32BitsEdgeIndices(s,n.edgeIndices32Bits)),this.model._modelMatricesTexture||(this.model._modelMatricesTexture=this._dataTextureGenerator.generateModelTexture(s,this.model)),t.textureModelMatrices=this.model._modelMatricesTexture,t.cameraTexture=this._dataTextureGenerator.generateCameraDataTexture(this.model.scene.canvas.gl,this.model.scene.camera,this.model.scene,this._state.origin.slice()),t.textureCameraMatrices=t.cameraTexture,t.texturePickCameraMatrices=this._dataTextureGenerator.generatePickCameraDataTexture(this.model.scene.canvas.gl,this.model.scene.camera,this._state.origin.slice()),t.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(()=>{this._deferredSetFlagsDirty&&this._uploadDeferredFlags(),this._numUpdatesInFrame=0}))}isEmpty(){return 0===this._numPortions}initFlags(e,t,s){t&x&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&G&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&U&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&V&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&F&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&j&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&M&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&L&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),s&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,s,true),this._setFlags2(e,t,true)}flushInitFlags(){this._setDeferredFlags(),this._setDeferredFlags2()}setVisible(e,t,s){if(!this._finalized)throw"Not finalized";t&x?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,s)}setHighlighted(e,t,s){if(!this._finalized)throw"Not finalized";t&G?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,s)}setXRayed(e,t,s){if(!this._finalized)throw"Not finalized";t&U?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,s)}setSelected(e,t,s){if(!this._finalized)throw"Not finalized";t&V?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,s)}setEdges(e,t,s){if(!this._finalized)throw"Not finalized";t&j?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,s)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&F?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}_beginDeferredFlags(){this._deferredSetFlagsActive=!0}_uploadDeferredFlags(){if(this._deferredSetFlagsActive=!1,!this._deferredSetFlagsDirty)return;this._deferredSetFlagsDirty=!1;const e=this.model.scene.canvas.gl,t=this._dataTextureState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectIdColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectIdColorsAndFlags._textureWidth,t.texturePerObjectIdColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectIdColorsAndFlags._textureData),e.bindTexture(e.TEXTURE_2D,t.texturePerObjectIdOffsets._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectIdOffsets._textureWidth,t.texturePerObjectIdOffsets._textureHeight,e.RGB,e.FLOAT,t.texturePerObjectIdOffsets._textureData)}setCulled(e,t,s){if(!this._finalized)throw"Not finalized";t&L?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,s)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,s){if(!this._finalized)throw"Not finalized";t&M?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,s)}setColor(e,t){const s=this._portionToSubPortionsMap[e];for(let e=0,n=s.length;e<n;e++)this._subPortionSetColor(s[e],t)}_subPortionSetColor(e,t){if(!this._finalized)throw"Not finalized";const s=this._dataTextureState,n=this.model.scene.canvas.gl;Cc[0]=t[0],Cc[1]=t[1],Cc[2]=t[2],Cc[3]=t[3],s.texturePerObjectIdColorsAndFlags._textureData.set(Cc,32*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),n.bindTexture(n.TEXTURE_2D,s.texturePerObjectIdColorsAndFlags._texture),n.texSubImage2D(n.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,n.RGBA_INTEGER,n.UNSIGNED_BYTE,Cc))}setTransparent(e,t,s){s?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,s)}_setFlags(e,t,s,n=!1){const i=this._portionToSubPortionsMap[e];for(let e=0,a=i.length;e<a;e++)this._subPortionSetFlags(i[e],t,s,n)}_subPortionSetFlags(e,t,s,n=!1){if(!this._finalized)throw"Not finalized";const i=!!(t&x),a=!!(t&U),r=!!(t&G),l=!!(t&V),o=!!(t&L);let c,u;c=!i||o||a?Ri.NOT_RENDERED:s?Ri.COLOR_TRANSPARENT:Ri.COLOR_OPAQUE,u=!i||o?Ri.NOT_RENDERED:l?Ri.SILHOUETTE_SELECTED:r?Ri.SILHOUETTE_HIGHLIGHTED:a?Ri.SILHOUETTE_XRAYED:Ri.NOT_RENDERED;let h=0;h=!i||o?Ri.NOT_RENDERED:l?Ri.EDGES_SELECTED:r?Ri.EDGES_HIGHLIGHTED:a?Ri.EDGES_XRAYED:!!(t&j)?s?Ri.EDGES_COLOR_TRANSPARENT:Ri.EDGES_COLOR_OPAQUE:Ri.NOT_RENDERED;let p=i&&!!(t&M)?Ri.PICK:Ri.NOT_RENDERED;const A=this._dataTextureState,d=this.model.scene.canvas.gl;Cc[0]=c,Cc[1]=u,Cc[2]=h,Cc[3]=p,A.texturePerObjectIdColorsAndFlags._textureData.set(Cc,32*e+8),this._deferredSetFlagsActive||n?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),d.bindTexture(d.TEXTURE_2D,A.texturePerObjectIdColorsAndFlags._texture),d.texSubImage2D(d.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,d.RGBA_INTEGER,d.UNSIGNED_BYTE,Cc))}_setDeferredFlags(){}_setFlags2(e,t,s=!1){const n=this._portionToSubPortionsMap[e];for(let e=0,i=n.length;e<i;e++)this._subPortionSetFlags2(n[e],t,s)}_subPortionSetFlags2(e,t,s=!1){if(!this._finalized)throw"Not finalized";const n=t&F?255:0,i=this._dataTextureState,a=this.model.scene.canvas.gl;Cc[0]=n,Cc[1]=0,Cc[2]=1,Cc[3]=2,i.texturePerObjectIdColorsAndFlags._textureData.set(Cc,32*e+12),this._deferredSetFlagsActive||s?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),a.bindTexture(a.TEXTURE_2D,i.texturePerObjectIdColorsAndFlags._texture),a.texSubImage2D(a.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,a.RGBA_INTEGER,a.UNSIGNED_BYTE,Cc))}_setDeferredFlags2(){}setOffset(e,t){const s=this._portionToSubPortionsMap[e];for(let e=0,n=s.length;e<n;e++)this._subPortionSetOffset(s[e],t)}_subPortionSetOffset(e,t){if(!this._finalized)throw"Not finalized";const s=this._dataTextureState,n=this.model.scene.canvas.gl;_c[0]=t[0],_c[1]=t[1],_c[2]=t[2],s.texturePerObjectIdOffsets._textureData.set(_c,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),n.bindTexture(n.TEXTURE_2D,s.texturePerObjectIdOffsets._texture),n.texSubImage2D(n.TEXTURE_2D,0,0,e,1,1,n.RGB,n.FLOAT,_c))}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.withSAO&&this.model.saoEnabled?this._dataTextureRenderers.colorRendererWithSAO&&this._dataTextureRenderers.colorRendererWithSAO.drawLayer(t,this,Ri.COLOR_OPAQUE):this._dataTextureRenderers.colorRenderer&&this._dataTextureRenderers.colorRenderer.drawLayer(t,this,Ri.COLOR_OPAQUE))}_updateBackfaceCull(e,t){const s=this.model.backfaces||e.sectioned;if(t.backfaces!==s){const e=t.gl;s?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=s}}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.colorRenderer&&this._dataTextureRenderers.colorRenderer.drawLayer(t,this,Ri.COLOR_TRANSPARENT))}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.depthRenderer&&this._dataTextureRenderers.depthRenderer.drawLayer(t,this,Ri.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.normalsRenderer&&this._dataTextureRenderers.normalsRenderer.drawLayer(t,this,Ri.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.silhouetteRenderer&&this._dataTextureRenderers.silhouetteRenderer.drawLayer(t,this,Ri.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.silhouetteRenderer&&this._dataTextureRenderers.silhouetteRenderer.drawLayer(t,this,Ri.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.silhouetteRenderer&&this._dataTextureRenderers.silhouetteRenderer.drawLayer(t,this,Ri.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._dataTextureRenderers.edgesColorRenderer&&this._dataTextureRenderers.edgesColorRenderer.drawLayer(t,this,Ri.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._dataTextureRenderers.edgesColorRenderer&&this._dataTextureRenderers.edgesColorRenderer.drawLayer(t,this,Ri.EDGES_COLOR_TRANSPARENT)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._dataTextureRenderers.edgesRenderer&&this._dataTextureRenderers.edgesRenderer.drawLayer(t,this,Ri.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._dataTextureRenderers.edgesRenderer&&this._dataTextureRenderers.edgesRenderer.drawLayer(t,this,Ri.EDGES_SELECTED)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._dataTextureRenderers.edgesRenderer&&this._dataTextureRenderers.edgesRenderer.drawLayer(t,this,Ri.EDGES_XRAYED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.occlusionRenderer&&this._dataTextureRenderers.occlusionRenderer.drawLayer(t,this,Ri.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.shadowRenderer&&this._dataTextureRenderers.shadowRenderer.drawLayer(t,this,Ri.COLOR_OPAQUE))}setPickMatrices(e,t){0!==this._numVisibleLayerPortions&&this._dataTextureState.texturePickCameraMatrices.updateViewMatrix(e,t)}drawPickMesh(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.pickMeshRenderer&&this._dataTextureRenderers.pickMeshRenderer.drawLayer(t,this,Ri.PICK))}drawPickDepths(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.pickDepthRenderer&&this._dataTextureRenderers.pickDepthRenderer.drawLayer(t,this,Ri.PICK))}drawSnapInitDepthBuf(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.snapDepthBufInitRenderer&&this._dataTextureRenderers.snapDepthBufInitRenderer.drawLayer(t,this,Ri.PICK))}drawSnapDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.vertexDepthRenderer&&this._dataTextureRenderers.vertexDepthRenderer.drawLayer(t,this,Ri.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.pickNormalsRenderer&&this._dataTextureRenderers.pickNormalsRenderer.drawLayer(t,this,Ri.PICK))}destroy(){if(this._destroyed)return;const e=this._state;e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}const xc=h.vec3();h.mat4();const Lc=h.vec3([1,1,1]),Mc=h.vec3([0,0,0]),Fc=h.vec3([0,0,0]),Hc=h.identityQuaternion(),Uc=h.identityMat4(),Gc=new Uint8Array([255,255,255]);class Vc extends C{constructor(e,t={}){super(e,t),this._dtxEnabled=this.scene.dtxEnabled&&!1!==t.dtxEnabled,this._enableVertexWelding=!1,this._enableIndexBucketing=!0,this._vboBatchingLayerScratchMemory=(Pi++,Di),this._textureTranscoder=t.textureTranscoder||Yl(this.scene.viewer),this._maxGeometryBatchSize=t.maxGeometryBatchSize,this._aabb=h.collapseAABB3(),this._aabbDirty=!0,this._quantizationRanges={},this._vboInstancingLayers={},this._vboBatchingLayers={},this._dtxLayers={},this._meshList=[],this.layerList=[],this._entityList=[],this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._meshes={},this._entities={},this._scheduledMeshes={},this.renderFlags=new Qs,this.numGeometries=0,this.numPortions=0,this.numVisibleLayerPortions=0,this.numTransparentLayerPortions=0,this.numXRayedLayerPortions=0,this.numHighlightedLayerPortions=0,this.numSelectedLayerPortions=0,this.numEdgesLayerPortions=0,this.numPickableLayerPortions=0,this.numClippableLayerPortions=0,this.numCulledLayerPortions=0,this.numEntities=0,this._numTriangles=0,this._numLines=0,this._numPoints=0,this._edgeThreshold=t.edgeThreshold||10,this._origin=h.vec3(t.origin||[0,0,0]),this._position=h.vec3(t.position||[0,0,0]),this._rotation=h.vec3(t.rotation||[0,0,0]),this._quaternion=h.vec4(t.quaternion||[0,0,0,1]),this._conjugateQuaternion=h.vec4(t.quaternion||[0,0,0,1]),t.rotation&&h.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._scale=h.vec3(t.scale||[1,1,1]),this._worldRotationMatrix=h.mat4(),this._worldRotationMatrixConjugate=h.mat4(),this._matrix=h.mat4(),this._matrixDirty=!0,this._rebuildMatrices(),this._worldNormalMatrix=h.mat4(),h.inverseMat4(this._matrix,this._worldNormalMatrix),h.transposeMat4(this._worldNormalMatrix),(t.matrix||t.position||t.rotation||t.scale||t.quaternion)&&(this._viewMatrix=h.mat4(),this._viewNormalMatrix=h.mat4(),this._viewMatrixDirty=!0,this._matrixNonIdentity=!0),this._opacity=1,this._colorize=[1,1,1],this._saoEnabled=!1!==t.saoEnabled,this._pbrEnabled=!1!==t.pbrEnabled,this._colorTextureEnabled=!1!==t.colorTextureEnabled,this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this._onCameraViewMatrix=this.scene.camera.on("matrix",(()=>{this._viewMatrixDirty=!0})),this.scene.vfc.enabled&&(this._vfcManager=this.scene.vfc.getVFCManager(this)),this._createDefaultTextureSet(),this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.colorize=t.colorize,this.opacity=t.opacity,this.backfaces=t.backfaces}_createDefaultTextureSet(){const e=new Fl({id:"defaultColorTexture",texture:new Cn({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})}),t=new Fl({id:"defaultMetalRoughTexture",texture:new Cn({gl:this.scene.canvas.gl,preloadColor:[0,1,1,1]})}),s=new Fl({id:"defaultNormalsTexture",texture:new Cn({gl:this.scene.canvas.gl,preloadColor:[0,0,0,0]})}),n=new Fl({id:"defaultEmissiveTexture",texture:new Cn({gl:this.scene.canvas.gl,preloadColor:[0,0,0,1]})}),i=new Fl({id:"defaultOcclusionTexture",texture:new Cn({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})});this._textures.defaultColorTexture=e,this._textures.defaultMetalRoughTexture=t,this._textures.defaultNormalsTexture=s,this._textures.defaultEmissiveTexture=n,this._textures.defaultOcclusionTexture=i,this._textureSets.defaultTextureSet=new Ml({id:"defaultTextureSet",model:this,colorTexture:e,metallicRoughnessTexture:t,normalsTexture:s,emissiveTexture:n,occlusionTexture:i})}get isPerformanceModel(){return!0}get objects(){return this._entities}get origin(){return this._origin}set position(e){this._position.set(e||[0,0,0]),this._setWorldMatrixDirty(),this._setWorldAABBDirty(),this.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),h.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setWorldMatrixDirty(),this._setWorldAABBDirty(),this.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),h.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setWorldMatrixDirty(),this._setWorldAABBDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set scale(e){}get scale(){return this._scale}set matrix(e){this._matrix.set(e||Uc),h.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),h.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),h.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),h.translateMat4v(this._position,this._matrix),this._matrixDirty=!1,this._setWorldMatrixDirty(),this._setWorldAABBDirty(),this.glRedraw()}get matrix(){return this._matrixDirty&&this._rebuildMatrices(),this._matrix}get rotationMatrix(){return this._matrixDirty&&this._rebuildMatrices(),this._worldRotationMatrix}_rebuildMatrices(){this._matrixDirty&&(h.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),h.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),h.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),h.translateMat4v(this._position,this._matrix),this._matrixDirty=!1)}get rotationMatrixConjugate(){return this._matrixDirty&&this._rebuildMatrices(),this._worldRotationMatrixConjugate}_setWorldMatrixDirty(){this._matrixDirty=!0}_setLocalAABBDirty(){for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._setLocalAABBDirty()}_setWorldAABBDirty(){this._aabbDirty=!0,this.scene._aabbDirty=!0,this._matrixDirty=!0;for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._setWorldAABBDirty()}get worldMatrix(){return this.matrix}get worldNormalMatrix(){return this._worldNormalMatrix}get viewMatrix(){return this._viewMatrix?(this._matrixDirty&&(this._rebuildMatrices(),this._viewMatrixDirty=!0),this._viewMatrixDirty&&(h.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),h.inverseMat4(this._viewMatrix,this._viewNormalMatrix),h.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1),this._viewMatrix):this.scene.camera.viewMatrix}get viewNormalMatrix(){return this._viewNormalMatrix?(this._matrixDirty&&(this._rebuildMatrices(),this._viewMatrixDirty=!0),this._viewMatrixDirty&&(h.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),h.inverseMat4(this._viewMatrix,this._viewNormalMatrix),h.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1),h.inverseMat4(this._viewMatrix,this._viewNormalMatrix),h.transposeMat4(this._viewNormalMatrix),this._viewNormalMatrix):this.scene.camera.viewNormalMatrix}get backfaces(){return this._backfaces}set backfaces(e){e=!!e,this._backfaces=e,this.glRedraw()}get entityList(){return this._entityList}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return!1}get aabb(){if(this._aabbDirty){h.collapseAABB3(this._aabb);for(let e=0,t=this._entityList.length;e<t;e++)h.expandAABB3(this._aabb,this._entityList[e].aabb);this._aabbDirty=!1}return this._aabb}get numTriangles(){return this._numTriangles}get numLines(){return this._numLines}get numPoints(){return this._numPoints}get visible(){return this.numVisibleLayerPortions>0}set visible(e){e=!1!==e,this._visible=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].visible=e;this.glRedraw()}get xrayed(){return this.numXRayedLayerPortions>0}set xrayed(e){e=!!e,this._xrayed=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].xrayed=e;this.glRedraw()}get highlighted(){return this.numHighlightedLayerPortions>0}set highlighted(e){e=!!e,this._highlighted=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].highlighted=e;this.glRedraw()}get selected(){return this.numSelectedLayerPortions>0}set selected(e){e=!!e,this._selected=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].selected=e;this.glRedraw()}get edges(){return this.numEdgesLayerPortions>0}set edges(e){e=!!e,this._edges=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].edges=e;this.glRedraw()}get culled(){return this._culled}set culled(e){e=!!e,this._culled=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].culled=e;this.glRedraw()}get clippable(){return this._clippable}set clippable(e){e=!1!==e,this._clippable=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].clippable=e;this.glRedraw()}get collidable(){return this._collidable}set collidable(e){e=!1!==e,this._collidable=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].collidable=e}get pickable(){return this.numPickableLayerPortions>0}set pickable(e){e=!1!==e,this._pickable=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].pickable=e}get colorize(){return this._colorize}set colorize(e){this._colorize=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].colorize=e}get opacity(){return this._opacity}set opacity(e){this._opacity=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].opacity=e}get castsShadow(){return this._castsShadow}set castsShadow(e){(e=!1!==e)!==this._castsShadow&&(this._castsShadow=e,this.glRedraw())}get receivesShadow(){return this._receivesShadow}set receivesShadow(e){(e=!1!==e)!==this._receivesShadow&&(this._receivesShadow=e,this.glRedraw())}get saoEnabled(){return this._saoEnabled}get pbrEnabled(){return this._pbrEnabled}get colorTextureEnabled(){return this._colorTextureEnabled}get isDrawable(){return!0}get isStateSortable(){return!1}get xrayMaterial(){return this.scene.xrayMaterial}get highlightMaterial(){return this.scene.highlightMaterial}get selectedMaterial(){return this.scene.selectedMaterial}get edgeMaterial(){return this.scene.edgeMaterial}getPickViewMatrix(e){return this._viewMatrix?this._viewMatrix:e}createQuantizationRange(e){void 0!==e.id&&null!==e.id?e.aabb?this.error("[createQuantizationRange] Config missing: aabb"):this._quantizationRanges[e.id]?this.error("[createQuantizationRange] QuantizationRange already created: "+e.id):this._quantizationRanges[e.id]={id:e.id,aabb:e.aabb,matrix:ha(e.aabb,h.mat4())}:this.error("[createQuantizationRange] Config missing: id")}createGeometry(e){if(void 0!==e.id&&null!==e.id)if(this._geometries[e.id])this.error("[createGeometry] Geometry already created: "+e.id);else if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"===e.primitive||"lines"===e.primitive||"triangles"===e.primitive||"solid"===e.primitive||"surface"===e.primitive){if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("[createGeometry] Param expected: `positions`,  `positionsCompressed' or 'buckets"),null;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("[createGeometry] Param expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.positionsDecodeMatrix&&e.positionsDecodeBoundary)return this.error("[createGeometry] Only one of these params expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("[createGeometry] Param expected: `uvDecodeMatrix` (required for `uvCompressed')"),null;if(!e.buckets&&!e.indices&&"points"!==e.primitive)return this.error(`[createGeometry] Param expected: indices (required for '${e.primitive}' primitive type)`),null;if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=ha(e.positionsDecodeBoundary,h.mat4())),e.positions){const t=h.collapseAABB3();e.positionsDecodeMatrix=h.mat4(),h.expandAABB3Points3(t,e.positions),e.positionsCompressed=ua(e.positions,t,e.positionsDecodeMatrix)}else e.positionsDecodeMatrix=new Float64Array(e.positionsDecodeMatrix),e.positionsCompressed=new Uint16Array(e.positionsCompressed);if(e.colorsCompressed&&e.colorsCompressed.length>0)e.colorsCompressed=new Uint8Array(e.colorsCompressed);else if(e.colors&&e.colors.length>0){const t=e.colors,s=new Uint8Array(t.length);for(let e=0,n=t.length;e<n;e++)s[e]=255*t[e];e.colorsCompressed=s}if(e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=dt(e.positions,e.indices,null,5):e.edgeIndices=dt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.buckets&&(this._dtxBuckets[e.id]=e.buckets),e.uv){const t=gt.getUVBounds(e.uv),s=gt.compressUVs(e.uv,t.min,t.max);e.uvCompressed=s.quantized,e.uvDecodeMatrix=s.decodeMatrix}else e.uvCompressed&&(e.uvCompressed=new Uint16Array(e.uvCompressed),e.uvDecodeMatrix=new Float64Array(e.uvDecodeMatrix));e.normals&&(e.normals=null),this._geometries[e.id]=e,this._numTriangles+=e.indices?Math.round(e.indices.length/3):0,this.numGeometries++}else this.error(`[createGeometry] Unsupported value for 'primitive': '${primitive}' - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'. Defaulting to 'triangles'.`);else this.error("[createGeometry] Config missing: id")}createTexture(e){const t=e.id;if(null==t)return void this.error("[createTexture] Config missing: id");if(this._textures[t])return void this.error("[createTexture] Texture already created: "+t);if(!e.src&&!e.image&&!e.buffers)return this.error("[createTexture] Param expected: `src`, `image' or 'buffers'"),null;let s=e.minFilter||1008;1006!==s&&1007!==s&&1008!==s&&1005!==s&&1004!==s&&(this.error("[createTexture] Unsupported value for 'minFilter' - \n            supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, \n            NearestMipMapLinearFilter and LinearMipmapLinearFilter. Defaulting to LinearMipmapLinearFilter."),s=1008);let n=e.magFilter||1006;1006!==n&&1003!==n&&(this.error("[createTexture] Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),n=1006);let i=e.wrapS||1e3;1001!==i&&1002!==i&&1e3!==i&&(this.error("[createTexture] Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),i=1e3);let a=e.wrapT||1e3;1001!==a&&1002!==a&&1e3!==a&&(this.error("[createTexture] Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),a=1e3);let r=e.wrapR||1e3;1001!==r&&1002!==r&&1e3!==r&&(this.error("[createTexture] Unsupported value for 'wrapR' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),r=1e3);let l=e.encoding||3e3;3e3!==l&&3001!==l&&(this.error("[createTexture] Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),l=3e3);const o=new Cn({gl:this.scene.canvas.gl,minFilter:s,magFilter:n,wrapS:i,wrapT:a,wrapR:r,encoding:l});if(e.preloadColor&&o.setPreloadColor(e.preloadColor),e.image){const t=e.image;t.crossOrigin="Anonymous",o.setImage(t,{minFilter:s,magFilter:n,wrapS:i,wrapT:a,wrapR:r,flipY:e.flipY,encoding:l})}else if(e.src){const t=e.src.split(".").pop();switch(t){case"jpeg":case"jpg":case"png":case"gif":const c=new Image;c.onload=()=>{o.setImage(c,{minFilter:s,magFilter:n,wrapS:i,wrapT:a,wrapR:r,flipY:e.flipY,encoding:l}),this.glRedraw()},c.src=e.src;break;default:this._textureTranscoder?y.loadArraybuffer(e.src,(e=>{e.byteLength?this._textureTranscoder.transcode([e],o).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'src': file data is zero length")}),(function(e){this.error(`[createTexture] Can't create texture from 'src': ${e}`)})):this.error(`[createTexture] Can't create texture from 'src' - SceneModel needs to be configured with a TextureTranscoder for this file type ('${t}')`)}}else e.buffers&&(this._textureTranscoder?this._textureTranscoder.transcode(e.buffers,o).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'buffers' - SceneModel needs to be configured with a TextureTranscoder for this option"));this._textures[t]=new Fl({id:t,texture:o})}createTextureSet(e){const t=e.id;if(null==t)return void this.error("[createTextureSet] Config missing: id");if(this._textureSets[t])return void this.error(`[createTextureSet] Texture set already created: ${t}`);let s,n,i,a,r;if(void 0!==e.colorTextureId&&null!==e.colorTextureId){if(s=this._textures[e.colorTextureId],!s)return void this.error(`[createTextureSet] Texture not found: ${e.colorTextureId} - ensure that you create it first with createTexture()`)}else s=this._textures.defaultColorTexture;if(void 0!==e.metallicRoughnessTextureId&&null!==e.metallicRoughnessTextureId){if(n=this._textures[e.metallicRoughnessTextureId],!n)return void this.error(`[createTextureSet] Texture not found: ${e.metallicRoughnessTextureId} - ensure that you create it first with createTexture()`)}else n=this._textures.defaultMetalRoughTexture;if(void 0!==e.normalsTextureId&&null!==e.normalsTextureId){if(i=this._textures[e.normalsTextureId],!i)return void this.error(`[createTextureSet] Texture not found: ${e.normalsTextureId} - ensure that you create it first with createTexture()`)}else i=this._textures.defaultNormalsTexture;if(void 0!==e.emissiveTextureId&&null!==e.emissiveTextureId){if(a=this._textures[e.emissiveTextureId],!a)return void this.error(`[createTextureSet] Texture not found: ${e.emissiveTextureId} - ensure that you create it first with createTexture()`)}else a=this._textures.defaultEmissiveTexture;if(void 0!==e.occlusionTextureId&&null!==e.occlusionTextureId){if(r=this._textures[e.occlusionTextureId],!r)return void this.error(`[createTextureSet] Texture not found: ${e.occlusionTextureId} - ensure that you create it first with createTexture()`)}else r=this._textures.defaultOcclusionTexture;const l=new Ml({id:t,model:this,colorTexture:s,metallicRoughnessTexture:n,normalsTexture:i,emissiveTexture:a,occlusionTexture:r});this._textureSets[t]=l}createMesh(e){if(void 0===e.id||null===e.id)return void this.error("[createMesh] SceneModel.createMesh() config missing: id");if(this._scheduledMeshes[e.id])return void this.error(`[createMesh] SceneModel already has a mesh with this ID: ${e.id}`);const t=!(void 0!==e.geometryId);if(e.sceneModelMatrix=this._matrixNonIdentity?this._matrix:null,t){const t=!!this._dtxEnabled;if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"!==e.primitive&&"lines"!==e.primitive&&"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)return void this.error(`Unsupported value for 'primitive': '${primitive}'  ('geometryId' is absent) - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'.`);if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("Param expected: 'positions',  'positionsCompressed' or `buckets`  ('geometryId' is absent)"),null;if(e.positions&&(e.positionsDecodeMatrix||e.positionsDecodeBoundary))return this.error("Illegal params: 'positions' not expected with 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),null;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("Param expected: 'positionsCompressed' should be accompanied by 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),null;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("Param expected: 'uvCompressed' should be accompanied by `uvDecodeMatrix` ('geometryId' is absent)"),null;if(!e.buckets&&!e.indices&&"points"!==e.primitive)return this.error(`Param expected: indices (required for '${e.primitive}' primitive type)`),null;if((e.matrix||e.position||e.rotation||e.scale)&&(e.positionsCompressed||e.positionsDecodeBoundary))return this.error("Unexpected params: 'matrix', 'rotation', 'scale', 'position' not allowed with 'positionsCompressed'"),null;if(e.origin=e.origin?h.addVec3(this._origin,e.origin,h.vec3()):this._origin,e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position){const t=e.scale||Lc,s=e.position||Mc,n=e.rotation||Fc;h.eulerToQuaternion(n,"XYZ",Hc),e.meshMatrix=h.composeMat4(s,Hc,t,h.mat4())}if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=ha(e.positionsDecodeBoundary,h.mat4())),t){if(e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Gc,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.positions){const t=h.vec3(),s=[];S(e.positions,s,t)&&(e.positions=s,e.origin=h.addVec3(e.origin,t,t))}if(e.positions){const t=h.collapseAABB3();e.positionsDecodeMatrix=h.mat4(),h.expandAABB3Points3(t,e.positions),e.positionsCompressed=ua(e.positions,t,e.positionsDecodeMatrix)}e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=dt(e.positions,e.indices,null,2):e.edgeIndices=dt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.buckets||(e.buckets=jc(e,this._enableVertexWelding&&this._enableIndexBucketing))}else{if(e.type=1,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):[255,255,255],e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.positions){const t=[];S(e.positions,t,xc)&&(e.positions=t,e.origin=h.addVec3(e.origin,xc,h.vec3()))}if(e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=dt(e.positions,e.indices,null,2):e.edgeIndices=dt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId],!e.textureSet))return void this.error(`[createMesh] Texture set not found: ${e.textureSetId} - ensure that you create it first with createTextureSet()`)}}else{if(e.positions||e.positionsCompressed||e.indices||e.edgeIndices||e.normals||e.normalsCompressed||e.uv||e.uvCompressed||e.positionsDecodeMatrix)return void this.error("Mesh geometry parameters not expected when instancing a geometry (not expected: positions, positionsCompressed, indices, edgeIndices, normals, normalsCompressed, uv, uvCompressed, positionsDecodeMatrix)");if(e.geometry=this._geometries[e.geometryId],!e.geometry)return void this.error(`[createMesh] Geometry not found: ${e.geometryId} - ensure that you create it first with createGeometry()`);if(e.origin=e.origin?h.addVec3(this._origin,e.origin,h.vec3()):this._origin,e.positionsDecodeMatrix=e.geometry.positionsDecodeMatrix,e.matrix)e.meshMatrix=e.matrix.slice();else{const t=e.scale||Lc,s=e.position||Mc,n=e.rotation||Fc;h.eulerToQuaternion(n,"XYZ",Hc),e.meshMatrix=h.composeMat4(s,Hc,t,h.mat4())}if(!!this._dtxEnabled){e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Gc,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255;let t=this._dtxBuckets[e.geometryId];t||(t=jc(e.geometry,this._enableVertexWelding,this._enableIndexBucketing),this._dtxBuckets[e.geometryId]=t),e.buckets=t}else e.type=0,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Gc,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId]),function(e){if(e.obb=h.OBB3(),e.positionsCompressed&&e.positionsCompressed.length>0){const t=h.collapseAABB3();h.expandAABB3Points3(t,e.positionsCompressed),gt.decompressAABB(t,e.positionsDecodeMatrix),h.AABB3ToOBB3(t,e.obb)}else if(e.positions&&e.positions.length>0){const t=h.collapseAABB3();h.expandAABB3Points3(t,e.positions),h.AABB3ToOBB3(t,e.obb)}}(e.geometry)}e.numPrimitives=this._getNumPrimitives(e),this._vfcManager&&!this._vfcManager.finalized?this._vfcManager.addMesh(e):this._createMesh(e)}_createMesh(e){const t=new bi(this,e.id,e.color,e.opacity);t.pickId=this.scene._renderer.getPickID(t);const s=t.pickId,n=s>>24&255,i=s>>16&255,a=s>>8&255,r=255&s;switch(e.pickColor=new Uint8Array([r,a,i,n]),e.worldAABB=h.collapseAABB3(),e.aabb=e.worldAABB,e.solid="solid"===e.primitive,t.origin=h.vec3(e.origin),e.type){case 2:t.layer=this._getDTXLayer(e);break;case 1:t.layer=this._getVBOBatchingLayer(e);break;case 0:t.layer=this._getVBOInstancingLayer(e)}t.portionId=t.layer.createPortion(e),t.aabb=e.worldAABB,t.numPrimitives=e.numPrimitives,h.expandAABB3(this._aabb,t.aabb),this._meshes[e.id]=t,this._meshList.push(t)}_getNumPrimitives(e){let t=0;switch(e.geometry?e.geometry.primitive:e.primitive){case"triangles":case"solid":case"surface":switch(e.type){case 2:for(let s=0,n=e.buckets.length;s<n;s++)t+=e.buckets[s].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/3);case"points":switch(e.type){case 2:for(let s=0,n=e.buckets.length;s<n;s++)t+=e.buckets[s].positionsCompressed.length;break;case 1:case 0:t+=e.positions?e.positions.length:e.positionsCompressed.length}return Math.round(t);case"lines":case"line-strip":switch(e.type){case 2:for(let s=0,n=e.buckets.length;s<n;s++)t+=e.buckets[s].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/2)}return 0}_getDTXLayer(e){const t=e.origin,s=`${Math.round(t[0])}.${Math.round(t[1])}.${Math.round(t[2])}`;let n=this._dtxLayers[s];if(n){if(n.canCreatePortion(e))return n;n.finalize(),delete this._dtxLayers[s],n=null}return console.log(`[SceneModel ${this.id}]: creating TrianglesDataTextureLayer`),n=new Nc(this,{layerIndex:0,origin:t}),this._dtxLayers[s]=n,this.layerList.push(n),n}_getVBOBatchingLayer(e){const t=this,s=e.origin,n=e.positionsDecodeMatrix||e.positionsDecodeBoundary?this._createHashStringFromMatrix(e.positionsDecodeMatrix||e.positionsDecodeBoundary):"-",i=e.textureSetId||"-",a=`${Math.round(s[0])}.${Math.round(s[1])}.${Math.round(s[2])}.${e.primitive}.${n}.${i}`;let r=this._vboBatchingLayers[a];if(r)return r;let l=e.textureSet;for(;!r;){switch(e.primitive){case"triangles":case"solid":case"surface":console.log(`[SceneModel ${this.id}]: creating TrianglesBatchingLayer`),r=new ka({model:t,textureSet:l,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:s,maxGeometryBatchSize:this._maxGeometryBatchSize,solid:"solid"===e.primitive,autoNormals:!0});break;case"lines":console.log(`[SceneModel ${this.id}]: creating LinesBatchingLayer`),r=new Kr({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:s,maxGeometryBatchSize:this._maxGeometryBatchSize});break;case"points":console.log(`[SceneModel ${this.id}]: creating PointsBatchingLayer`),r=new vl({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:s,maxGeometryBatchSize:this._maxGeometryBatchSize})}const n=e.positionsCompressed?e.positionsCompressed.length:e.positions.length;("points"===e.primitive?r.canCreatePortion(n):r.canCreatePortion(n,e.indices.length))||(r.finalize(),delete this._vboBatchingLayers[a],r=null)}return this._vboBatchingLayers[a]=r,this.layerList.push(r),r}_createHashStringFromMatrix(e){const t=e.join("");let s=0;for(let e=0;e<t.length;e++){s=(s<<5)-s+t.charCodeAt(e),s|=0}return(s>>>0).toString(16)}_getVBOInstancingLayer(e){const t=this,s=e.origin,n=e.textureSetId||"-",i=e.geometryId,a=`${Math.round(s[0])}.${Math.round(s[1])}.${Math.round(s[2])}.${n}.${i}`;let r=this._vboInstancingLayers[a];if(r)return r;let l=e.textureSet;const o=e.geometry;for(;!r;)switch(o.primitive){case"triangles":case"surface":console.log(`[SceneModel ${this.id}]: creating TrianglesInstancingLayer`),r=new Fr({model:t,textureSet:l,geometry:o,origin:s,layerIndex:0,solid:!1});break;case"solid":console.log(`[SceneModel ${this.id}]: creating TrianglesInstancingLayer`),r=new Fr({model:t,textureSet:l,geometry:o,origin:s,layerIndex:0,solid:!0});break;case"lines":console.log(`[SceneModel ${this.id}]: creating LinesInstancingLayer`),r=new il({model:t,textureSet:l,geometry:o,origin:s,layerIndex:0});break;case"points":console.log(`[SceneModel ${this.id}]: creating PointsInstancingLayer`),r=new Ll({model:t,textureSet:l,geometry:o,origin:s,layerIndex:0})}return this._vboInstancingLayers[a]=r,this.layerList.push(r),r}createEntity(e){if(void 0===e.id?e.id=h.createUUID():this.scene.components[e.id]&&(this.error(`Scene already has a Component with this ID: ${e.id} - will assign random ID`),e.id=h.createUUID()),void 0===e.meshIds)return void this.error("Config missing: meshIds");let t=0;if(this._visible&&!1!==e.visible&&(t|=x),this._pickable&&!1!==e.pickable&&(t|=M),this._culled&&!1!==e.culled&&(t|=L),this._clippable&&!1!==e.clippable&&(t|=F),this._collidable&&!1!==e.collidable&&(t|=H),this._edges&&!1!==e.edges&&(t|=j),this._xrayed&&!1!==e.xrayed&&(t|=U),this._highlighted&&!1!==e.highlighted&&(t|=G),this._selected&&!1!==e.selected&&(t|=V),e.flags=t,this._vfcManager&&!this._vfcManager.finalized){for(let t=0,s=e.meshIds.length;t<s;t++){const s=e.meshIds[t];if(this._scheduledMeshes[s])return void this.error(`[createEntity] Mesh not found: ${s}`)}this._vfcManager.addEntity(e)}else this._createEntity(e)}_createEntity(e){let t=[];const s=h.collapseAABB3();for(let n=0,i=e.meshIds.length;n<i;n++){const i=e.meshIds[n],a=this._meshes[i];a?a.parent?this.error(`Mesh with ID "${i}" already belongs to object with ID "${a.parent.id}" - ignoring this mesh`):(h.expandAABB3(s,a.aabb),t.push(a)):this.error(`Mesh with this ID not found: "${i}" - ignoring this mesh`)}const n=new z(this,e.isObject,e.id,t,e.flags,s,!0);this._entityList.push(n),this._entities[e.id]=n,this.numEntities++}finalize(){if(!this.destroyed){this._vfcManager&&this._vfcManager.finalize((()=>{}));for(let e=0,t=this.layerList.length;e<t;e++){this.layerList[e].finalize()}this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._dtxLayers={},this._vboInstancingLayers={},this._vboBatchingLayers={};for(let e=0,t=this._entityList.length;e<t;e++){this._entityList[e]._finalize()}for(let e=0,t=this._entityList.length;e<t;e++){this._entityList[e]._finalize2()}this.layerList.sort(((e,t)=>e.sortId<t.sortId?-1:e.sortId>t.sortId?1:0));for(let e=0,t=this.layerList.length;e<t;e++){this.layerList[e].layerIndex=e}this.glRedraw(),this.scene._aabbDirty=!0,this.scene.lod.enabled&&(this._lodManager=this.scene.lod.getLODManager(this))}}stateSortCompare(e,t){}rebuildRenderFlags(){this.renderFlags.reset(),this._updateRenderFlagsVisibleLayers(),this.renderFlags.numLayers>0&&0===this.renderFlags.numVisibleLayers?this.renderFlags.culled=!0:this._updateRenderFlags()}_updateRenderFlagsVisibleLayers(){const e=this.renderFlags;e.numLayers=this.layerList.length,e.numVisibleLayers=0;for(let t=0,s=this.layerList.length;t<s;t++){const s=this.layerList[t];this._getActiveSectionPlanesForLayer(s)&&(e.visibleLayers[e.numVisibleLayers++]=t)}}_getActiveSectionPlanesForLayer(e){const t=this.renderFlags,s=this.scene._sectionPlanesState.sectionPlanes,n=s.length,i=e.layerIndex*n;if(n>0)for(let e=0;e<n;e++){s[e].active?(t.sectionPlanesActivePerLayer[i+e]=!0,t.sectioned=!0):t.sectionPlanesActivePerLayer[i+e]=!1}return!0}_updateRenderFlags(){if(0===this.numVisibleLayerPortions)return;if(this.numCulledLayerPortions===this.numPortions)return;const e=this.renderFlags;if(e.colorOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.colorTransparent=!0),this.numXRayedLayerPortions>0){const t=this.scene.xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}if(this.numEdgesLayerPortions>0){this.scene.edgeMaterial._state.edges&&(e.edgesOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.edgesTransparent=!0))}if(this.numSelectedLayerPortions>0){const t=this.scene.selectedMaterial._state;t.fill&&(t.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}if(this.numHighlightedLayerPortions>0){const t=this.scene.highlightMaterial._state;t.fill&&(t.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}drawColorOpaque(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawColorOpaque(t,e)}}drawColorTransparent(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawColorTransparent(t,e)}}drawDepth(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawDepth(t,e)}}drawNormals(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawNormals(t,e)}}drawSilhouetteXRayed(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawSilhouetteXRayed(t,e)}}drawSilhouetteHighlighted(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawSilhouetteHighlighted(t,e)}}drawSilhouetteSelected(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawSilhouetteSelected(t,e)}}drawEdgesColorOpaque(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawEdgesColorOpaque(t,e)}}drawEdgesColorTransparent(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawEdgesColorTransparent(t,e)}}drawEdgesXRayed(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawEdgesXRayed(t,e)}}drawEdgesHighlighted(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawEdgesHighlighted(t,e)}}drawEdgesSelected(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawEdgesSelected(t,e)}}drawOcclusion(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawOcclusion(t,e)}}drawShadow(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawShadow(t,e)}}setPickMatrices(e,t){if(0===this._numVisibleLayerPortions)return;const s=this.renderFlags;for(let n=0,i=s.visibleLayers.length;n<i;n++){const i=s.visibleLayers[n],a=this.layerList[i];a.setPickMatrices&&a.setPickMatrices(e,t)}}drawPickMesh(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawPickMesh(t,e)}}drawPickDepths(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawPickDepths(t,e)}}drawPickNormals(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawPickNormals(t,e)}}drawSnapInitDepthBuf(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s],i=this.layerList[n];i.drawSnapInitDepthBuf&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,i.drawSnapInitDepthBuf(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}drawSnapDepths(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s],i=this.layerList[n];i.drawSnapDepths&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,i.drawSnapDepths(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}destroy(){for(let e in this._vboBatchingLayers)this._vboBatchingLayers.hasOwnProperty(e)&&this._vboBatchingLayers[e].destroy();this._vboBatchingLayers={};for(let e in this._vboInstancingLayers)this._vboInstancingLayers.hasOwnProperty(e)&&this._vboInstancingLayers[e].destroy();this._vboInstancingLayers={},this.scene.camera.off(this._onCameraViewMatrix);for(let e=0,t=this.layerList.length;e<t;e++)this.layerList[e].destroy();this.layerList=[];for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._destroy();this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._meshes={},this._entities={},this.scene._aabbDirty=!0,this._isModel&&this.scene._deregisterModel(this),0!==Pi&&(Pi--,0===Pi&&Di._clear()),this._vfcManager&&this.scene.vfc.putVFCManager(this._vfcManager),this._lodManager&&this.scene.lod.putLODManager(this._lodManager),super.destroy()}}function jc(e,t,s){let n,i,a,r;if(t?[n,i,a]=Zl({positionsCompressed:e.positionsCompressed,indices:e.indices,edgeIndices:e.edgeIndices}):(n=e.positionsCompressed,i=e.indices,a=e.edgeIndices),s){r=no({positionsCompressed:n,indices:i,edgeIndices:a},n.length/3>65536?16:8)}else r=[{positionsCompressed:n,indices:i,edgeIndices:a}];return r}class kc extends C{constructor(e,t={}){super(e,t),this._skyboxMesh=new tn(this,{geometry:new bt(this,{primitive:"triangles",positions:[1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,-1,1,-1,-1,1,1,-1,1,1,-1,1,-1,-1,-1,-1,-1,-1,1,-1,-1,-1,1,-1,-1,1,-1,1,-1,-1,1,1,-1,-1,-1,-1,-1,-1,1,-1,1,1,-1],uv:[.5,.6666,.25,.6666,.25,.3333,.5,.3333,.5,.6666,.5,.3333,.75,.3333,.75,.6666,.5,.6666,.5,1,.25,1,.25,.6666,.25,.6666,0,.6666,0,.3333,.25,.3333,.25,0,.5,0,.5,.3333,.25,.3333,.75,.3333,1,.3333,1,.6666,.75,.6666],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]}),background:!0,scale:[2e3,2e3,2e3],rotation:[0,-90,0],material:new _t(this,{ambient:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],emissive:[1,1,1],emissiveMap:new xn(this,{src:t.src,flipY:!0,wrapS:"clampToEdge",wrapT:"clampToEdge",encoding:t.encoding||"sRGB"}),backfaces:!0}),visible:!1,pickable:!1,clippable:!1,collidable:!1}),this.size=t.size,this.active=t.active}set size(e){this._size=e||1e3,this._skyboxMesh.scale=[this._size,this._size,this._size]}get size(){return this._size}set active(e){this._skyboxMesh.visible=e}get active(){return this._skyboxMesh.visible}}const Qc=h.vec4(),Wc=h.vec4(),zc=h.vec3(),Kc=h.vec3(),Yc=h.vec3(),Xc=h.vec4(),qc=h.vec4(),Jc=h.vec4();class Zc{constructor(e){this._scene=e}dollyToCanvasPos(e,t,s){let n=!1;const i=this._scene.camera;if(e){const t=h.subVec3(e,i.eye,zc);n=h.lenVec3(t)<s}if("perspective"===i.projection){i.ortho.scale=i.ortho.scale-s;const n=this._unproject(t,Xc),a=h.subVec3(n,i.eye,Jc),r=h.mulVec3Scalar(h.normalizeVec3(a),-s,[]);if(i.eye=[i.eye[0]-r[0],i.eye[1]-r[1],i.eye[2]-r[2]],i.look=[i.look[0]-r[0],i.look[1]-r[1],i.look[2]-r[2]],e){const t=h.subVec3(e,i.eye,zc),s=h.lenVec3(t),n=h.mulVec3Scalar(h.normalizeVec3(h.subVec3(i.look,i.eye,Kc)),s);i.look=[i.eye[0]+n[0],i.eye[1]+n[1],i.eye[2]+n[2]]}}else if("ortho"===i.projection){const e=this._unproject(t,Xc);i.ortho.scale=i.ortho.scale-s,i.ortho._update();const n=this._unproject(t,qc),a=h.subVec3(n,e,Jc),r=h.mulVec3Scalar(h.normalizeVec3(h.subVec3(i.look,i.eye,zc)),-s,Kc),l=h.addVec3(a,r,Yc);i.eye=[i.eye[0]-l[0],i.eye[1]-l[1],i.eye[2]-l[2]],i.look=[i.look[0]-l[0],i.look[1]-l[1],i.look[2]-l[2]]}return n}_unproject(e,t){const s=this._scene.camera,n=s.project.transposedMatrix,i=n.subarray(8,12),a=n.subarray(12),r=[0,0,-1,1],l=h.dotVec4(r,i)/h.dotVec4(r,a);return s.project.unproject(e,l,Qc,Wc,t),t}destroy(){}}const $c=h.vec3(),eu=h.vec3(),tu=h.vec3(),su=h.vec4(),nu=h.vec4(),iu=h.vec4();class au{constructor(e,t){this._scene=e,this._configs=t,this._pivotWorldPos=h.vec3(),this._cameraOffset=h.vec3(),this._azimuth=0,this._polar=0,this._radius=0,this._pivotPosSet=!1,this._pivoting=!1,this._shown=!1,this._pivotViewPos=h.vec4(),this._pivotProjPos=h.vec4(),this._pivotCanvasPos=h.vec2(),this._cameraDirty=!0,this._onViewMatrix=this._scene.camera.on("viewMatrix",(()=>{this._cameraDirty=!0})),this._onProjMatrix=this._scene.camera.on("projMatrix",(()=>{this._cameraDirty=!0})),this._onTick=this._scene.on("tick",(()=>{this.updatePivotElement()}))}updatePivotElement(){const e=this._scene.camera,t=this._scene.canvas;if(this._pivoting&&this._cameraDirty){h.transformPoint3(e.viewMatrix,this.getPivotPos(),this._pivotViewPos),this._pivotViewPos[3]=1,h.transformPoint4(e.projMatrix,this._pivotViewPos,this._pivotProjPos);const s=t.boundary,n=s[2],i=s[3];this._pivotCanvasPos[0]=Math.floor((1+this._pivotProjPos[0]/this._pivotProjPos[3])*n/2),this._pivotCanvasPos[1]=Math.floor((1-this._pivotProjPos[1]/this._pivotProjPos[3])*i/2);let a=t._lastBoundingClientRect;if(!a||t._canvasSizeChanged){const e=t.canvas;a=t._lastBoundingClientRect=e.getBoundingClientRect()}this._pivotElement&&(this._pivotElement.style.left=Math.floor(a.left+this._pivotCanvasPos[0])-this._pivotElement.clientWidth/2+window.scrollX+"px",this._pivotElement.style.top=Math.floor(a.top+this._pivotCanvasPos[1])-this._pivotElement.clientHeight/2+window.scrollY+"px"),this._cameraDirty=!1}}setPivotElement(e){this._pivotElement=e}startPivot(){if(this._cameraLookingDownwards())return this._pivoting=!1,!1;const e=this._scene.camera;let t=h.lookAtMat4v(e.eye,e.look,e.worldUp);h.transformPoint3(t,this.getPivotPos(),this._cameraOffset);const s=this.getPivotPos();this._cameraOffset[2]+=h.distVec3(e.eye,s),t=h.inverseMat4(t);const n=h.transformVec3(t,this._cameraOffset),i=h.vec3();if(h.subVec3(e.eye,s,i),h.addVec3(i,n),e.zUp){const e=i[1];i[1]=i[2],i[2]=e}this._radius=h.lenVec3(i),this._polar=Math.acos(i[1]/this._radius),this._azimuth=Math.atan2(i[0],i[2]),this._pivoting=!0}_cameraLookingDownwards(){const e=this._scene.camera,t=h.normalizeVec3(h.subVec3(e.look,e.eye,$c)),s=h.cross3Vec3(t,e.worldUp,eu);return h.sqLenVec3(s)<=1e-4}getPivoting(){return this._pivoting}setPivotPos(e){this._pivotWorldPos.set(e),this._pivotPosSet=!0}setCanvasPivotPos(e){const t=this._scene.camera,s=Math.abs(h.distVec3(this._scene.center,t.eye)),n=t.project.transposedMatrix,i=n.subarray(8,12),a=n.subarray(12),r=[0,0,-1,1],l=h.dotVec4(r,i)/h.dotVec4(r,a),o=su;t.project.unproject(e,l,nu,iu,o);const c=h.normalizeVec3(h.subVec3(o,t.eye,$c)),u=h.addVec3(t.eye,h.mulVec3Scalar(c,s,eu),tu);this.setPivotPos(u)}getPivotPos(){return this._pivotPosSet?this._pivotWorldPos:this._scene.camera.look}continuePivot(e,t){if(!this._pivoting)return;if(0===e&&0===t)return;const s=this._scene.camera;var n=-e;const i=-t;1===s.worldUp[2]&&(n=-n),this._azimuth+=.01*-n,this._polar+=.01*i,this._polar=h.clamp(this._polar,.001,Math.PI-.001);const a=[this._radius*Math.sin(this._polar)*Math.sin(this._azimuth),this._radius*Math.cos(this._polar),this._radius*Math.sin(this._polar)*Math.cos(this._azimuth)];if(1===s.worldUp[2]){const e=a[1];a[1]=a[2],a[2]=e}const r=h.lenVec3(h.subVec3(s.look,s.eye,h.vec3())),l=this.getPivotPos();h.addVec3(a,l);let o=h.lookAtMat4v(a,l,s.worldUp);o=h.inverseMat4(o);const c=h.transformVec3(o,this._cameraOffset);o[12]-=c[0],o[13]-=c[1],o[14]-=c[2];const u=[o[8],o[9],o[10]];s.eye=[o[12],o[13],o[14]],h.subVec3(s.eye,h.mulVec3Scalar(u,r),s.look),s.up=[o[4],o[5],o[6]],this.showPivot()}showPivot(){this._shown||(null!==this._hideTimeout&&(window.clearTimeout(this._hideTimeout),this._hideTimeout=null),this._pivotElement&&(this.updatePivotElement(),this._pivotElement.style.visibility="visible",this._shown=!0,this._hideTimeout=window.setTimeout((()=>{this.hidePivot()}),1e3)))}hidePivot(){this._shown&&(null!==this._hideTimeout&&(window.clearTimeout(this._hideTimeout),this._hideTimeout=null),this._pivotElement&&(this._pivotElement.style.visibility="hidden"),this._shown=!1)}endPivot(){this._pivoting=!1}destroy(){this._scene.camera.off(this._onViewMatrix),this._scene.camera.off(this._onProjMatrix),this._scene.off(this._onTick)}}class ru{constructor(e,t){this._scene=e.scene,this._cameraControl=e,this._scene.canvas.canvas.oncontextmenu=function(e){e.preventDefault()},this._configs=t,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick=!1,this.pickCursorPos=h.vec2(),this.picked=!1,this.pickedSurface=!1,this.pickResult=null,this._lastPickedEntityId=null,this._needFireEvents=!1}update(){if(!this._configs.pointerEnabled)return;if(!this.schedulePickEntity&&!this.schedulePickSurface)return;this.picked=!1,this.pickedSurface=!1,this.snappedOrPicked=!1,this.hoveredSnappedOrSurfaceOff=!1,this._needFireEvents=!1;const e=this._cameraControl.hasSubs("hoverSurface");if(this.scheduleSnapOrPick){const e=this._scene.snapPick({canvasPos:this.pickCursorPos,snapRadius:this._configs.snapRadius,snapMode:this._configs.snapMode});e&&e.snappedWorldPos?(this.snapPickResult=e,this.snappedOrPicked=!0,this._needFireEvents=!0):(this.schedulePickSurface=!0,this.snapPickResult=null)}if(this.schedulePickSurface&&this.pickResult&&this.pickResult.worldPos){const t=this.pickResult.canvasPos;if(t[0]===this.pickCursorPos[0]&&t[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!0,this._needFireEvents=e,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.hoveredSnappedOrSurfaceOff=!0,void(this.scheduleSnapOrPick=!1)}if(this.schedulePickEntity&&this.pickResult&&(this.pickResult.canvasPos||this.pickResult.snappedCanvasPos)){const e=this.pickResult.canvasPos||this.pickResult.snappedCanvasPos;if(e[0]===this.pickCursorPos[0]&&e[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!1,this._needFireEvents=!1,this.schedulePickEntity=!1,void(this.schedulePickSurface=!1)}this.schedulePickSurface||this.scheduleSnapOrPick&&!this.snapPickResult?(this.pickResult=this._scene.pick({pickSurface:!0,pickSurfaceNormal:!1,canvasPos:this.pickCursorPos}),this.pickResult?(this.picked=!0,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.pickedSurface=!0,this._needFireEvents=!0):this.scheduleSnapOrPick&&(this.hoveredSnappedOrSurfaceOff=!0,this._needFireEvents=!0)):(this.pickResult=this._scene.pick({canvasPos:this.pickCursorPos}),this.pickResult&&(this.picked=!0,this.pickedSurface=!1,this._needFireEvents=!0)),this.scheduleSnapOrPick=!1,this.schedulePickEntity=!1,this.schedulePickSurface=!1}fireEvents(){if(this._needFireEvents){if(this.hoveredSnappedOrSurfaceOff&&this._cameraControl.fire("hoverSnapOrSurfaceOff",{canvasPos:this.pickCursorPos},!0),this.snappedOrPicked)if(this.snapPickResult){const e=new de;e.worldPos=this.snapPickResult.snappedWorldPos,e.canvasPos=this.snapPickResult.snappedCanvasPos,this._cameraControl.fire("hoverSnapOrSurface",e,!0),this.snapPickResult=null}else this._cameraControl.fire("hoverSnapOrSurface",this.pickResult,!0);if(this.picked&&this.pickResult&&(this.pickResult.entity||this.pickResult.worldPos)){if(this.pickResult.entity){const e=this.pickResult.entity.id;this._lastPickedEntityId!==e&&(void 0!==this._lastPickedEntityId&&this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._cameraControl.fire("hoverEnter",this.pickResult,!0),this._lastPickedEntityId=e)}this._cameraControl.fire("hover",this.pickResult,!0),this.pickResult.worldPos&&(this.pickedSurface=!0,this._cameraControl.fire("hoverSurface",this.pickResult,!0))}else void 0!==this._lastPickedEntityId&&(this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),this._cameraControl.fire("hoverOff",{canvasPos:this.pickCursorPos},!0);this.pickResult=null,this._needFireEvents=!1}}destroy(){}}const lu=h.vec2();class ou{constructor(e,t,s,n,i){this._scene=e;const a=t.pickController;let r,l,o,c=0,u=0,p=0,A=0,d=!1;const f=h.vec3();let I=!0;const y=this._scene.canvas.canvas,m=[];function v(e=!0){y.style.cursor="move",c=n.pointerCanvasPos[0],u=n.pointerCanvasPos[1],p=n.pointerCanvasPos[0],A=n.pointerCanvasPos[1],e&&(a.pickCursorPos=n.pointerCanvasPos,a.schedulePickSurface=!0,a.update(),a.picked&&a.pickedSurface&&a.pickResult&&a.pickResult.worldPos?(d=!0,f.set(a.pickResult.worldPos)):d=!1)}document.addEventListener("keydown",this._documentKeyDownHandler=t=>{if(!s.active||!s.pointerEnabled||!e.input.keyboardEnabled)return;const n=t.keyCode;m[n]=!0}),document.addEventListener("keyup",this._documentKeyUpHandler=t=>{if(!s.active||!s.pointerEnabled||!e.input.keyboardEnabled)return;const n=t.keyCode;m[n]=!1}),y.addEventListener("mousedown",this._mouseDownHandler=t=>{if(s.active&&s.pointerEnabled)switch(t.which){case 1:m[e.input.KEY_SHIFT]||s.planView?(r=!0,v()):(r=!0,v(!1));break;case 2:l=!0,v();break;case 3:o=!0,s.panRightClick&&v()}}),document.addEventListener("mousemove",this._documentMouseMoveHandler=()=>{if(!s.active||!s.pointerEnabled)return;if(!r&&!l&&!o)return;const t=e.canvas.boundary,a=t[2],p=t[3],A=n.pointerCanvasPos[0],I=n.pointerCanvasPos[1];if(m[e.input.KEY_SHIFT]||s.planView||!s.panRightClick&&l||s.panRightClick&&o){const t=A-c,s=I-u,n=e.camera;if("perspective"===n.projection){const a=Math.abs(d?h.lenVec3(h.subVec3(f,e.camera.eye,[])):e.camera.eyeLookDist)*Math.tan(n.perspective.fov/2*Math.PI/180);i.panDeltaX+=1.5*t*a/p,i.panDeltaY+=1.5*s*a/p}else i.panDeltaX+=.5*n.ortho.scale*(t/p),i.panDeltaY+=.5*n.ortho.scale*(s/p)}else!r||l||o||s.planView||(s.firstPerson?(i.rotateDeltaY-=(A-c)/a*s.dragRotationRate/2,i.rotateDeltaX+=(I-u)/p*(s.dragRotationRate/4)):(i.rotateDeltaY-=(A-c)/a*(1.5*s.dragRotationRate),i.rotateDeltaX+=(I-u)/p*(1.5*s.dragRotationRate)));c=A,u=I}),y.addEventListener("mousemove",this._canvasMouseMoveHandler=e=>{s.active&&s.pointerEnabled&&n.mouseover&&(I=!0)}),document.addEventListener("mouseup",this._documentMouseUpHandler=e=>{if(s.active&&s.pointerEnabled)switch(e.which){case 1:case 2:case 3:r=!1,l=!1,o=!1}}),y.addEventListener("mouseup",this._mouseUpHandler=e=>{if(s.active&&s.pointerEnabled){if(3===e.which){!function(e,t){if(e){let s=e.target,n=0,i=0,a=0,r=0;for(;s.offsetParent;)n+=s.offsetLeft,i+=s.offsetTop,a+=s.scrollLeft,r+=s.scrollTop,s=s.offsetParent;t[0]=e.pageX+a-n,t[1]=e.pageY+r-i}else e=window.event,t[0]=e.x,t[1]=e.y}(e,lu);const s=lu[0],n=lu[1];Math.abs(s-p)<3&&Math.abs(n-A)<3&&t.cameraControl.fire("rightClick",{pagePos:[Math.round(e.pageX),Math.round(e.pageY)],canvasPos:lu,event:e},!0)}y.style.removeProperty("cursor")}}),y.addEventListener("mouseenter",this._mouseEnterHandler=()=>{s.active&&s.pointerEnabled});const w=1/60;let g=null;y.addEventListener("wheel",this._mouseWheelHandler=e=>{if(!s.active||!s.pointerEnabled)return;const t=performance.now()/1e3;var a=null!==g?t-g:0;g=t,a>.05&&(a=.05),a<w&&(a=w);const r=Math.max(-1,Math.min(1,40*-e.deltaY));if(0===r)return;const l=r/Math.abs(r);i.dollyDelta+=-l*a*s.mouseWheelDollyRate,I&&(n.followPointerDirty=!0,I=!1)},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("keydown",this._documentKeyDownHandler),document.removeEventListener("keyup",this._documentKeyUpHandler),e.removeEventListener("mousedown",this._mouseDownHandler),document.removeEventListener("mousemove",this._documentMouseMoveHandler),e.removeEventListener("mousemove",this._canvasMouseMoveHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._mouseUpHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("wheel",this._mouseWheelHandler)}}const cu=h.vec3(),uu=h.vec3(),hu=h.vec3(),pu=h.vec3(),Au=h.vec3(),du={eye:h.vec3(),look:h.vec3(),up:h.vec3()};class fu{constructor(e,t,s,n){this._scene=e;const i=t.cameraControl,a=e.camera;this._onSceneKeyDown=e.input.on("keydown",(()=>{if(!s.active||!s.pointerEnabled||!e.input.keyboardEnabled)return;if(!n.mouseover)return;const r=i._isKeyDownForAction(i.AXIS_VIEW_RIGHT),l=i._isKeyDownForAction(i.AXIS_VIEW_BACK),o=i._isKeyDownForAction(i.AXIS_VIEW_LEFT),c=i._isKeyDownForAction(i.AXIS_VIEW_FRONT),u=i._isKeyDownForAction(i.AXIS_VIEW_TOP),p=i._isKeyDownForAction(i.AXIS_VIEW_BOTTOM);if(!(r||l||o||c||u||p))return;const A=e.aabb,d=h.getAABB3Diag(A);h.getAABB3Center(A,cu);const f=Math.abs(d/Math.tan(t.cameraFlight.fitFOV*h.DEGTORAD)),I=1.1*d;du.orthoScale=I,r?(du.eye.set(h.addVec3(cu,h.mulVec3Scalar(a.worldRight,f,uu),Au)),du.look.set(cu),du.up.set(a.worldUp)):l?(du.eye.set(h.addVec3(cu,h.mulVec3Scalar(a.worldForward,f,uu),Au)),du.look.set(cu),du.up.set(a.worldUp)):o?(du.eye.set(h.addVec3(cu,h.mulVec3Scalar(a.worldRight,-f,uu),Au)),du.look.set(cu),du.up.set(a.worldUp)):c?(du.eye.set(h.addVec3(cu,h.mulVec3Scalar(a.worldForward,-f,uu),Au)),du.look.set(cu),du.up.set(a.worldUp)):u?(du.eye.set(h.addVec3(cu,h.mulVec3Scalar(a.worldUp,f,uu),Au)),du.look.set(cu),du.up.set(h.normalizeVec3(h.mulVec3Scalar(a.worldForward,1,hu),pu))):p&&(du.eye.set(h.addVec3(cu,h.mulVec3Scalar(a.worldUp,-f,uu),Au)),du.look.set(cu),du.up.set(h.normalizeVec3(h.mulVec3Scalar(a.worldForward,-1,hu)))),!s.firstPerson&&s.followPointer&&t.pivotController.setPivotPos(cu),t.cameraFlight.duration>0?t.cameraFlight.flyTo(du,(()=>{t.pivotController.getPivoting()&&s.followPointer&&t.pivotController.showPivot()})):(t.cameraFlight.jumpTo(du),t.pivotController.getPivoting()&&s.followPointer&&t.pivotController.showPivot())}))}reset(){}destroy(){this._scene.input.off(this._onSceneKeyDown)}}class Iu{constructor(e,t,s,n,i){this._scene=e;const a=t.pickController,r=t.pivotController,l=t.cameraControl;this._clicks=0,this._timeout=null,this._lastPickedEntityId=null;let o=!1,c=!1;const u=this._scene.canvas.canvas,p=s=>{let n;s&&s.worldPos&&(n=s.worldPos);const i=s&&s.entity?s.entity.aabb:e.aabb;if(n){const s=e.camera;h.subVec3(s.eye,s.look,[]),t.cameraFlight.flyTo({aabb:i})}else t.cameraFlight.flyTo({aabb:i})};u.addEventListener("mousemove",this._canvasMouseMoveHandler=t=>{if(!s.active||!s.pointerEnabled)return;if(o||c)return;const i=l.hasSubs("hover"),r=l.hasSubs("hoverOut"),u=l.hasSubs("hoverOff"),h=l.hasSubs("hoverSurface"),p=l.hasSubs("hoverSnapOrSurface");if(i||r||u||h||p)if(a.pickCursorPos=n.pointerCanvasPos,a.schedulePickEntity=!0,a.schedulePickSurface=h,a.scheduleSnapOrPick=p,a.update(),a.pickResult){if(a.pickResult.entity){const t=a.pickResult.entity.id;this._lastPickedEntityId!==t&&(void 0!==this._lastPickedEntityId&&l.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),l.fire("hoverEnter",a.pickResult,!0),this._lastPickedEntityId=t)}l.fire("hover",a.pickResult,!0),(a.pickResult.worldPos||a.pickResult.snappedWorldPos)&&l.fire("hoverSurface",a.pickResult,!0)}else void 0!==this._lastPickedEntityId&&(l.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),l.fire("hoverOff",{canvasPos:a.pickCursorPos},!0)}),u.addEventListener("mousedown",this._canvasMouseDownHandler=t=>{1===t.which&&(o=!0),3===t.which&&(c=!0);if(1===t.which&&s.active&&s.pointerEnabled&&(n.mouseDownClientX=t.clientX,n.mouseDownClientY=t.clientY,n.mouseDownCursorX=n.pointerCanvasPos[0],n.mouseDownCursorY=n.pointerCanvasPos[1],!s.firstPerson&&s.followPointer&&(a.pickCursorPos=n.pointerCanvasPos,a.schedulePickSurface=!0,a.update(),1===t.which))){const t=a.pickResult;t&&t.worldPos?(r.setPivotPos(t.worldPos),r.startPivot()):(s.smartPivot?r.setCanvasPivotPos(n.pointerCanvasPos):r.setPivotPos(e.camera.look),r.startPivot())}}),document.addEventListener("mouseup",this._documentMouseUpHandler=e=>{1===e.which&&(o=!1),3===e.which&&(c=!1)}),u.addEventListener("mouseup",this._canvasMouseUpHandler=i=>{if(!s.active||!s.pointerEnabled)return;if(!(1===i.which))return;if(r.hidePivot(),Math.abs(i.clientX-n.mouseDownClientX)>3||Math.abs(i.clientY-n.mouseDownClientY)>3)return;const o=l.hasSubs("picked"),c=l.hasSubs("pickedNothing"),u=l.hasSubs("pickedSurface"),A=l.hasSubs("doublePicked"),d=l.hasSubs("doublePickedSurface"),f=l.hasSubs("doublePickedNothing");if(!(s.doublePickFlyTo||A||d||f))return(o||c||u)&&(a.pickCursorPos=n.pointerCanvasPos,a.schedulePickEntity=!0,a.schedulePickSurface=u,a.update(),a.pickResult?(l.fire("picked",a.pickResult,!0),a.pickedSurface&&l.fire("pickedSurface",a.pickResult,!0)):l.fire("pickedNothing",{canvasPos:n.pointerCanvasPos},!0)),void(this._clicks=0);if(this._clicks++,1===this._clicks){a.pickCursorPos=n.pointerCanvasPos,a.schedulePickEntity=s.doublePickFlyTo,a.schedulePickSurface=u,a.update();const e=a.pickResult,i=a.pickedSurface;this._timeout=setTimeout((()=>{e?(l.fire("picked",e,!0),i&&(l.fire("pickedSurface",e,!0),!s.firstPerson&&s.followPointer&&(t.pivotController.setPivotPos(e.worldPos),t.pivotController.startPivot()&&t.pivotController.showPivot()))):l.fire("pickedNothing",{canvasPos:n.pointerCanvasPos},!0),this._clicks=0}),s.doubleClickTimeFrame)}else{if(null!==this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null),a.pickCursorPos=n.pointerCanvasPos,a.schedulePickEntity=s.doublePickFlyTo||A||d,a.schedulePickSurface=a.schedulePickEntity&&d,a.update(),a.pickResult){if(l.fire("doublePicked",a.pickResult,!0),a.pickedSurface&&l.fire("doublePickedSurface",a.pickResult,!0),s.doublePickFlyTo&&(p(a.pickResult),!s.firstPerson&&s.followPointer)){const e=a.pickResult.entity.aabb,s=h.getAABB3Center(e);t.pivotController.setPivotPos(s),t.pivotController.startPivot()&&t.pivotController.showPivot()}}else if(l.fire("doublePickedNothing",{canvasPos:n.pointerCanvasPos},!0),s.doublePickFlyTo&&(p(),!s.firstPerson&&s.followPointer)){const s=e.aabb,n=h.getAABB3Center(s);t.pivotController.setPivotPos(n),t.pivotController.startPivot()&&t.pivotController.showPivot()}this._clicks=0}},!1)}reset(){this._clicks=0,this._lastPickedEntityId=null,this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("mousemove",this._canvasMouseMoveHandler),e.removeEventListener("mousedown",this._canvasMouseDownHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._canvasMouseUpHandler),this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}}class yu{constructor(e,t,s,n,i){this._scene=e;const a=e.input,r=[],l=e.canvas.canvas;let o=!0;this._onSceneMouseMove=a.on("mousemove",(()=>{o=!0})),this._onSceneKeyDown=a.on("keydown",(t=>{s.active&&s.pointerEnabled&&e.input.keyboardEnabled&&n.mouseover&&(r[t]=!0,t===a.KEY_SHIFT&&(l.style.cursor="move"))})),this._onSceneKeyUp=a.on("keyup",(t=>{s.active&&s.pointerEnabled&&e.input.keyboardEnabled&&(r[t]=!1,t===a.KEY_SHIFT&&(l.style.cursor=null))})),this._onTick=e.on("tick",(l=>{if(!s.active||!s.pointerEnabled||!e.input.keyboardEnabled)return;if(!n.mouseover)return;const c=t.cameraControl,u=l.deltaTime/1e3;if(!s.planView){const e=c._isKeyDownForAction(c.ROTATE_Y_POS,r),n=c._isKeyDownForAction(c.ROTATE_Y_NEG,r),a=c._isKeyDownForAction(c.ROTATE_X_POS,r),l=c._isKeyDownForAction(c.ROTATE_X_NEG,r),o=u*s.keyboardRotationRate;(e||n||a||l)&&(!s.firstPerson&&s.followPointer&&t.pivotController.startPivot(),e?i.rotateDeltaY+=o:n&&(i.rotateDeltaY-=o),a?i.rotateDeltaX+=o:l&&(i.rotateDeltaX-=o),!s.firstPerson&&s.followPointer&&t.pivotController.startPivot())}if(!r[a.KEY_CTRL]&&!r[a.KEY_ALT]){const e=c._isKeyDownForAction(c.DOLLY_BACKWARDS,r),a=c._isKeyDownForAction(c.DOLLY_FORWARDS,r);if(e||a){const r=u*s.keyboardDollyRate;!s.firstPerson&&s.followPointer&&t.pivotController.startPivot(),a?i.dollyDelta-=r:e&&(i.dollyDelta+=r),o&&(n.followPointerDirty=!0,o=!1)}}const h=c._isKeyDownForAction(c.PAN_FORWARDS,r),p=c._isKeyDownForAction(c.PAN_BACKWARDS,r),A=c._isKeyDownForAction(c.PAN_LEFT,r),d=c._isKeyDownForAction(c.PAN_RIGHT,r),f=c._isKeyDownForAction(c.PAN_UP,r),I=c._isKeyDownForAction(c.PAN_DOWN,r),y=(r[a.KEY_ALT]?.3:1)*u*s.keyboardPanRate;(h||p||A||d||f||I)&&(!s.firstPerson&&s.followPointer&&t.pivotController.startPivot(),I?i.panDeltaY+=y:f&&(i.panDeltaY+=-y),d?i.panDeltaX+=-y:A&&(i.panDeltaX+=y),p?i.panDeltaZ+=y:h&&(i.panDeltaZ+=-y))}))}reset(){}destroy(){this._scene.off(this._onTick),this._scene.input.off(this._onSceneMouseMove),this._scene.input.off(this._onSceneKeyDown),this._scene.input.off(this._onSceneKeyUp)}}const mu=h.vec3();class vu{constructor(e,t,s,n,i){this._scene=e;const a=e.camera,r=t.pickController,l=t.pivotController,o=t.panController;let c=1,u=1,p=null;this._onTick=e.on("tick",(()=>{if(!s.active||!s.pointerEnabled)return;let t="default";if(Math.abs(i.dollyDelta)<.001&&(i.dollyDelta=0),Math.abs(i.rotateDeltaX)<.001&&(i.rotateDeltaX=0),Math.abs(i.rotateDeltaY)<.001&&(i.rotateDeltaY=0),0===i.rotateDeltaX&&0===i.rotateDeltaY||(i.dollyDelta=0),s.followPointer&&--c<=0&&(c=1,0!==i.dollyDelta)){if(0===i.rotateDeltaY&&0===i.rotateDeltaX&&s.followPointer&&n.followPointerDirty&&(r.pickCursorPos=n.pointerCanvasPos,r.schedulePickSurface=!0,r.update(),r.pickResult&&r.pickResult.worldPos?p=r.pickResult.worldPos:(u=1,p=null),n.followPointerDirty=!1),p){const t=Math.abs(h.lenVec3(h.subVec3(p,e.camera.eye,mu)));u=t/s.dollyProximityThreshold}u<s.dollyMinSpeed&&(u=s.dollyMinSpeed)}const A=i.dollyDelta*u;if(0===i.rotateDeltaY&&0===i.rotateDeltaX||(!s.firstPerson&&s.followPointer&&l.getPivoting()?(l.continuePivot(i.rotateDeltaY,i.rotateDeltaX),l.showPivot()):(0!==i.rotateDeltaX&&(s.firstPerson?a.pitch(-i.rotateDeltaX):a.orbitPitch(i.rotateDeltaX)),0!==i.rotateDeltaY&&(s.firstPerson?a.yaw(i.rotateDeltaY):a.orbitYaw(i.rotateDeltaY))),i.rotateDeltaX*=s.rotationInertia,i.rotateDeltaY*=s.rotationInertia,t="grabbing"),Math.abs(i.panDeltaX)<.001&&(i.panDeltaX=0),Math.abs(i.panDeltaY)<.001&&(i.panDeltaY=0),Math.abs(i.panDeltaZ)<.001&&(i.panDeltaZ=0),0!==i.panDeltaX||0!==i.panDeltaY||0!==i.panDeltaZ){const e=h.vec3();let n,r;if(e[0]=i.panDeltaX,e[1]=i.panDeltaY,e[2]=i.panDeltaZ,s.constrainVertical){a.xUp?(n=a.eye[0],r=a.look[0]):a.yUp?(n=a.eye[1],r=a.look[1]):a.zUp&&(n=a.eye[2],r=a.look[2]),a.pan(e);const t=a.eye,s=a.look;a.xUp?(t[0]=n,s[0]=r):a.yUp?(t[1]=n,s[1]=r):a.zUp&&(t[2]=n,s[2]=r),a.eye=t,a.look=s}else a.pan(e);t="grabbing"}if(i.panDeltaX*=s.panInertia,i.panDeltaY*=s.panInertia,i.panDeltaZ*=s.panInertia,0!==A){if(t=A<0?"zoom-in":"zoom-out",s.firstPerson){let e,t;if(s.constrainVertical&&(a.xUp?(e=a.eye[0],t=a.look[0]):a.yUp?(e=a.eye[1],t=a.look[1]):a.zUp&&(e=a.eye[2],t=a.look[2])),s.followPointer){o.dollyToCanvasPos(p,n.pointerCanvasPos,-A)&&(n.followPointerDirty=!0)}else a.pan([0,0,A]),a.ortho.scale=a.ortho.scale-A;if(s.constrainVertical){const s=a.eye,n=a.look;a.xUp?(s[0]=e,n[0]=t):a.yUp?(s[1]=e,n[1]=t):a.zUp&&(s[2]=e,n[2]=t),a.eye=s,a.look=n}}else if(s.planView)if(s.followPointer){o.dollyToCanvasPos(p,n.pointerCanvasPos,-A)&&(n.followPointerDirty=!0)}else a.ortho.scale=a.ortho.scale+A,a.zoom(A);else if(s.followPointer){o.dollyToCanvasPos(p,n.pointerCanvasPos,-A)&&(n.followPointerDirty=!0)}else a.ortho.scale=a.ortho.scale+A,a.zoom(A);i.dollyDelta*=s.dollyInertia}r.fireEvents(),document.body.style.cursor=t}))}destroy(){this._scene.off(this._onTick)}}class wu{constructor(e,t,s,n,i){this._scene=e;const a=this._scene.canvas.canvas;a.addEventListener("mouseenter",this._mouseEnterHandler=()=>{n.mouseover=!0}),a.addEventListener("mouseleave",this._mouseLeaveHandler=()=>{n.mouseover=!1,a.style.cursor=null}),document.addEventListener("mousemove",this._mouseMoveHandler=e=>{gu(e,a,n.pointerCanvasPos)}),a.addEventListener("mousedown",this._mouseDownHandler=e=>{s.active&&s.pointerEnabled&&(gu(e,a,n.pointerCanvasPos),n.mouseover=!0)}),a.addEventListener("mouseup",this._mouseUpHandler=e=>{s.active&&s.pointerEnabled})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("mousemove",this._mouseMoveHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("mouseleave",this._mouseLeaveHandler),e.removeEventListener("mousedown",this._mouseDownHandler),e.removeEventListener("mouseup",this._mouseUpHandler)}}function gu(e,t,s){if(e){const{x:n,y:i}=t.getBoundingClientRect();s[0]=e.clientX-n,s[1]=e.clientY-i}else e=window.event,s[0]=e.x,s[1]=e.y;return s}const Tu=function(e,t){if(e){let s=e.target,n=0,i=0;for(;s.offsetParent;)n+=s.offsetLeft,i+=s.offsetTop,s=s.offsetParent;t[0]=e.pageX-n,t[1]=e.pageY-i}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class Eu{constructor(e,t,s,n,i){this._scene=e;const a=t.pickController,r=t.pivotController,l=h.vec2(),o=h.vec2(),c=h.vec2(),u=h.vec2(),p=[],A=this._scene.canvas.canvas;let d=0,f=!1;this._onTick=e.on("tick",(()=>{f=!1})),A.addEventListener("touchstart",this._canvasTouchStartHandler=t=>{if(!s.active||!s.pointerEnabled)return;t.preventDefault();const i=t.touches,o=t.changedTouches;for(n.touchStartTime=Date.now(),1===i.length&&1===o.length&&(Tu(i[0],l),s.followPointer&&(a.pickCursorPos=l,a.schedulePickSurface=!0,a.update(),s.planView||(a.picked&&a.pickedSurface&&a.pickResult&&a.pickResult.worldPos?(r.setPivotPos(a.pickResult.worldPos),!s.firstPerson&&r.startPivot()&&r.showPivot()):(s.smartPivot?r.setCanvasPivotPos(n.pointerCanvasPos):r.setPivotPos(e.camera.look),!s.firstPerson&&r.startPivot()&&r.showPivot()))));p.length<i.length;)p.push(h.vec2());for(let e=0,t=i.length;e<t;++e)Tu(i[e],p[e]);d=i.length}),A.addEventListener("touchmove",this._canvasTouchMoveHandler=t=>{if(!s.active||!s.pointerEnabled)return;if(t.stopPropagation(),t.preventDefault(),f)return;f=!0;const r=e.canvas.boundary,l=r[2],A=r[3],I=t.touches;if(t.touches.length===d){if(1===d){Tu(I[0],o),h.subVec2(o,p[0],u);const t=u[0],a=u[1];if(null!==n.longTouchTimeout&&(Math.abs(t)>s.longTapRadius||Math.abs(a)>s.longTapRadius)&&(clearTimeout(n.longTouchTimeout),n.longTouchTimeout=null),s.planView){const n=e.camera;if("perspective"===n.projection){const r=Math.abs(e.camera.eyeLookDist)*Math.tan(n.perspective.fov/2*Math.PI/180);i.panDeltaX+=t*r/A*s.touchPanRate,i.panDeltaY+=a*r/A*s.touchPanRate}else i.panDeltaX+=.5*n.ortho.scale*(t/A)*s.touchPanRate,i.panDeltaY+=.5*n.ortho.scale*(a/A)*s.touchPanRate}else i.rotateDeltaY-=t/l*(1*s.dragRotationRate),i.rotateDeltaX+=a/A*(1.5*s.dragRotationRate)}else if(2===d){const t=I[0],r=I[1];Tu(t,o),Tu(r,c);const l=h.geometricMeanVec2(p[0],p[1]),u=h.geometricMeanVec2(o,c),d=h.vec2();h.subVec2(l,u,d);const f=d[0],y=d[1],m=e.camera,v=h.distVec2([t.pageX,t.pageY],[r.pageX,r.pageY]),w=(h.distVec2(p[0],p[1])-v)*s.touchDollyRate;if(i.dollyDelta=w,Math.abs(w)<1)if("perspective"===m.projection){const t=a.pickResult?a.pickResult.worldPos:e.center,n=Math.abs(h.lenVec3(h.subVec3(t,e.camera.eye,[])))*Math.tan(m.perspective.fov/2*Math.PI/180);i.panDeltaX-=f*n/A*s.touchPanRate,i.panDeltaY-=y*n/A*s.touchPanRate}else i.panDeltaX-=.5*m.ortho.scale*(f/A)*s.touchPanRate,i.panDeltaY-=.5*m.ortho.scale*(y/A)*s.touchPanRate;n.pointerCanvasPos=u}for(let e=0;e<d;++e)Tu(I[e],p[e])}})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchmove",this._canvasTouchMoveHandler),this._scene.off(this._onTick)}}const bu=function(e,t){if(e){let s=e.target,n=0,i=0;for(;s.offsetParent;)n+=s.offsetLeft,i+=s.offsetTop,s=s.offsetParent;t[0]=e.pageX-n,t[1]=e.pageY-i}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class Du{constructor(e,t,s,n,i){this._scene=e;const a=t.pickController,r=t.cameraControl;let l;const o=[],c=new Float32Array(2);let u=-1,p=-1;const A=this._scene.canvas.canvas,d=s=>{let n;s&&s.worldPos&&(n=s.worldPos);const i=s?s.entity.aabb:e.aabb;if(n){const s=e.camera;h.subVec3(s.eye,s.look,[]),t.cameraFlight.flyTo({aabb:i})}else t.cameraFlight.flyTo({aabb:i})};A.addEventListener("touchstart",this._canvasTouchStartHandler=e=>{if(!s.active||!s.pointerEnabled)return;null!==n.longTouchTimeout&&(clearTimeout(n.longTouchTimeout),n.longTouchTimeout=null);const i=e.touches,a=e.changedTouches;if(l=Date.now(),1===i.length&&1===a.length){u=l,bu(i[0],c);const a=c[0],r=c[1],o=i[0].pageX,h=i[0].pageY;n.longTouchTimeout=setTimeout((()=>{t.cameraControl.fire("rightClick",{pagePos:[Math.round(o),Math.round(h)],canvasPos:[Math.round(a),Math.round(r)],event:e},!0),n.longTouchTimeout=null}),s.longTapTimeout)}else u=-1;for(;o.length<i.length;)o.push(new Float32Array(2));for(let e=0,t=i.length;e<t;++e)bu(i[e],o[e]);o.length=i.length},{passive:!0}),A.addEventListener("touchend",this._canvasTouchEndHandler=e=>{if(!s.active||!s.pointerEnabled)return;const t=Date.now(),i=e.touches,l=e.changedTouches,A=r.hasSubs("pickedSurface");null!==n.longTouchTimeout&&(clearTimeout(n.longTouchTimeout),n.longTouchTimeout=null),0===i.length&&1===l.length&&u>-1&&t-u<150&&(p>-1&&u-p<325?(bu(l[0],a.pickCursorPos),a.schedulePickEntity=!0,a.schedulePickSurface=A,a.update(),a.pickResult?(a.pickResult.touchInput=!0,r.fire("doublePicked",a.pickResult),a.pickedSurface&&r.fire("doublePickedSurface",a.pickResult),s.doublePickFlyTo&&d(a.pickResult)):(r.fire("doublePickedNothing"),s.doublePickFlyTo&&d()),p=-1):h.distVec2(o[0],c)<4&&(bu(l[0],a.pickCursorPos),a.schedulePickEntity=!0,a.schedulePickSurface=A,a.update(),a.pickResult?(a.pickResult.touchInput=!0,r.fire("picked",a.pickResult),a.pickedSurface&&r.fire("pickedSurface",a.pickResult)):r.fire("pickedNothing"),p=t),u=-1),o.length=i.length;for(let e=0,t=i.length;e<t;++e)o[e][0]=i[e].pageX,o[e][1]=i[e].pageY},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler)}}class Pu extends C{constructor(e,t={}){super(e,t),this.PAN_LEFT=0,this.PAN_RIGHT=1,this.PAN_UP=2,this.PAN_DOWN=3,this.PAN_FORWARDS=4,this.PAN_BACKWARDS=5,this.ROTATE_X_POS=6,this.ROTATE_X_NEG=7,this.ROTATE_Y_POS=8,this.ROTATE_Y_NEG=9,this.DOLLY_FORWARDS=10,this.DOLLY_BACKWARDS=11,this.AXIS_VIEW_RIGHT=12,this.AXIS_VIEW_BACK=13,this.AXIS_VIEW_LEFT=14,this.AXIS_VIEW_FRONT=15,this.AXIS_VIEW_TOP=16,this.AXIS_VIEW_BOTTOM=17,this._keyMap={},this.scene.canvas.canvas.oncontextmenu=e=>{e.preventDefault()},this._configs={longTapTimeout:600,longTapRadius:5,active:!0,keyboardLayout:"qwerty",navMode:"orbit",planView:!1,firstPerson:!1,followPointer:!0,doublePickFlyTo:!0,panRightClick:!0,showPivot:!1,pointerEnabled:!0,constrainVertical:!1,smartPivot:!1,doubleClickTimeFrame:250,snapMode:"vertex",snapRadius:30,dragRotationRate:360,keyboardRotationRate:90,rotationInertia:0,keyboardPanRate:1,touchPanRate:1,panInertia:.5,keyboardDollyRate:10,mouseWheelDollyRate:100,touchDollyRate:.2,dollyInertia:0,dollyProximityThreshold:30,dollyMinSpeed:.04},this._states={pointerCanvasPos:h.vec2(),mouseover:!1,followPointerDirty:!0,mouseDownClientX:0,mouseDownClientY:0,mouseDownCursorX:0,mouseDownCursorY:0,touchStartTime:null,activeTouches:[],tapStartPos:h.vec2(),tapStartTime:-1,lastTapTime:-1,longTouchTimeout:null},this._updates={rotateDeltaX:0,rotateDeltaY:0,panDeltaX:0,panDeltaY:0,panDeltaZ:0,dollyDelta:0};const s=this.scene;this._controllers={cameraControl:this,pickController:new ru(this,this._configs),pivotController:new au(s,this._configs),panController:new Zc(s),cameraFlight:new pi(this,{duration:.5})},this._handlers=[new wu(this.scene,this._controllers,this._configs,this._states,this._updates),new Eu(this.scene,this._controllers,this._configs,this._states,this._updates),new ou(this.scene,this._controllers,this._configs,this._states,this._updates),new fu(this.scene,this._controllers,this._configs,this._states,this._updates),new Iu(this.scene,this._controllers,this._configs,this._states,this._updates),new Du(this.scene,this._controllers,this._configs,this._states,this._updates),new yu(this.scene,this._controllers,this._configs,this._states,this._updates)],this._cameraUpdater=new vu(this.scene,this._controllers,this._configs,this._states,this._updates),this.navMode=t.navMode,t.planView&&(this.planView=t.planView),this.constrainVertical=t.constrainVertical,t.keyboardLayout?this.keyboardLayout=t.keyboardLayout:this.keyMap=t.keyMap,this.doublePickFlyTo=t.doublePickFlyTo,this.panRightClick=t.panRightClick,this.active=t.active,this.followPointer=t.followPointer,this.rotationInertia=t.rotationInertia,this.keyboardPanRate=t.keyboardPanRate,this.touchPanRate=t.touchPanRate,this.keyboardRotationRate=t.keyboardRotationRate,this.dragRotationRate=t.dragRotationRate,this.touchDollyRate=t.touchDollyRate,this.dollyInertia=t.dollyInertia,this.dollyProximityThreshold=t.dollyProximityThreshold,this.dollyMinSpeed=t.dollyMinSpeed,this.panInertia=t.panInertia,this.pointerEnabled=!0,this.keyboardDollyRate=t.keyboardDollyRate,this.mouseWheelDollyRate=t.mouseWheelDollyRate}set keyMap(e){if(e=e||"qwerty",y.isString(e)){const t=this.scene.input,s={};switch(e){default:this.error("Unsupported value for 'keyMap': "+e+" defaulting to 'qwerty'");case"qwerty":s[this.PAN_LEFT]=[t.KEY_A],s[this.PAN_RIGHT]=[t.KEY_D],s[this.PAN_UP]=[t.KEY_Z],s[this.PAN_DOWN]=[t.KEY_X],s[this.PAN_BACKWARDS]=[],s[this.PAN_FORWARDS]=[],s[this.DOLLY_FORWARDS]=[t.KEY_W,t.KEY_ADD],s[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],s[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],s[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],s[this.ROTATE_Y_POS]=[t.KEY_Q,t.KEY_LEFT_ARROW],s[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],s[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],s[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],s[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],s[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],s[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],s[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6];break;case"azerty":s[this.PAN_LEFT]=[t.KEY_Q],s[this.PAN_RIGHT]=[t.KEY_D],s[this.PAN_UP]=[t.KEY_W],s[this.PAN_DOWN]=[t.KEY_X],s[this.PAN_BACKWARDS]=[],s[this.PAN_FORWARDS]=[],s[this.DOLLY_FORWARDS]=[t.KEY_Z,t.KEY_ADD],s[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],s[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],s[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],s[this.ROTATE_Y_POS]=[t.KEY_A,t.KEY_LEFT_ARROW],s[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],s[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],s[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],s[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],s[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],s[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],s[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6]}this._keyMap=s}else{const t=e;this._keyMap=t}}get keyMap(){return this._keyMap}_isKeyDownForAction(e,t){const s=this._keyMap[e];if(!s)return!1;t||(t=this.scene.input.keyDown);for(let e=0,n=s.length;e<n;e++){if(t[s[e]])return!0}return!1}set pivotElement(e){this._controllers.pivotController.setPivotElement(e)}set active(e){this._configs.active=!1!==e}get active(){return this._configs.active}set snapMode(e){"vertex"!==(e=e||"vertex")&&"edge"!==e&&(this.error("Unsupported value for snapMode: "+e+" - supported values are 'vertex' and 'edge' - defaulting to 'vertex'"),e="vertex"),this._configs.snapMode=e}get snapMode(){return this._configs.snapMode}set snapRadius(e){e=e||30,this._configs.snapRadius=e}get snapRadius(){return this._configs.snapRadius}set navMode(e){"firstPerson"!==(e=e||"orbit")&&"orbit"!==e&&"planView"!==e&&(this.error("Unsupported value for navMode: "+e+" - supported values are 'orbit', 'firstPerson' and 'planView' - defaulting to 'orbit'"),e="orbit"),this._configs.firstPerson="firstPerson"===e,this._configs.planView="planView"===e,(this._configs.firstPerson||this._configs.planView)&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this._configs.navMode=e}get navMode(){return this._configs.navMode}set pointerEnabled(e){this._reset(),this._configs.pointerEnabled=!!e}_reset(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.reset&&t.reset()}this._updates.panDeltaX=0,this._updates.panDeltaY=0,this._updates.rotateDeltaX=0,this._updates.rotateDeltaY=0,this._updates.dolyDelta=0}get pointerEnabled(){return this._configs.pointerEnabled}set followPointer(e){this._configs.followPointer=!1!==e}get followPointer(){return this._configs.followPointer}set pivotPos(e){this._controllers.pivotController.setPivotPos(e)}get pivotPos(){return this._controllers.pivotController.getPivotPos()}set dollyToPointer(e){this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer=e}get dollyToPointer(){return this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer}set panToPointer(e){this.warn("panToPointer property is deprecated - replaced with followPointer")}get panToPointer(){return this.warn("panToPointer property is deprecated - replaced with followPointer"),!1}set planView(e){this._configs.planView=!!e,this._configs.firstPerson=!1,this._configs.planView&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this.warn("planView property is deprecated - replaced with navMode")}get planView(){return this.warn("planView property is deprecated - replaced with navMode"),this._configs.planView}set firstPerson(e){this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson=!!e,this._configs.planView=!1,this._configs.firstPerson&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot())}get firstPerson(){return this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson}set constrainVertical(e){this._configs.constrainVertical=!!e}get constrainVertical(){return this._configs.constrainVertical}set doublePickFlyTo(e){this._configs.doublePickFlyTo=!1!==e}get doublePickFlyTo(){return this._configs.doublePickFlyTo}set panRightClick(e){this._configs.panRightClick=!1!==e}get panRightClick(){return this._configs.panRightClick}set rotationInertia(e){this._configs.rotationInertia=null!=e?e:0}get rotationInertia(){return this._configs.rotationInertia}set keyboardPanRate(e){this._configs.keyboardPanRate=null!=e?e:5}set touchPanRate(e){this._configs.touchPanRate=null!=e?e:1}get touchPanRate(){return this._configs.touchPanRate}get keyboardPanRate(){return this._configs.keyboardPanRate}set keyboardRotationRate(e){this._configs.keyboardRotationRate=null!=e?e:90}get keyboardRotationRate(){return this._configs.keyboardRotationRate}set dragRotationRate(e){this._configs.dragRotationRate=null!=e?e:360}get dragRotationRate(){return this._configs.dragRotationRate}set keyboardDollyRate(e){this._configs.keyboardDollyRate=null!=e?e:15}get keyboardDollyRate(){return this._configs.keyboardDollyRate}set touchDollyRate(e){this._configs.touchDollyRate=null!=e?e:.2}get touchDollyRate(){return this._configs.touchDollyRate}set mouseWheelDollyRate(e){this._configs.mouseWheelDollyRate=null!=e?e:100}get mouseWheelDollyRate(){return this._configs.mouseWheelDollyRate}set dollyInertia(e){this._configs.dollyInertia=null!=e?e:0}get dollyInertia(){return this._configs.dollyInertia}set dollyProximityThreshold(e){this._configs.dollyProximityThreshold=null!=e?e:35}get dollyProximityThreshold(){return this._configs.dollyProximityThreshold}set dollyMinSpeed(e){this._configs.dollyMinSpeed=null!=e?e:.04}get dollyMinSpeed(){return this._configs.dollyMinSpeed}set panInertia(e){this._configs.panInertia=null!=e?e:.5}get panInertia(){return this._configs.panInertia}set keyboardLayout(e){"qwerty"!==(e=e||"qwerty")&&"azerty"!==e&&(this.error("Unsupported value for keyboardLayout - defaulting to 'qwerty'"),e="qwerty"),this._configs.keyboardLayout=e,this.keyMap=this._configs.keyboardLayout}get keyboardLayout(){return this._configs.keyboardLayout}set smartPivot(e){this._configs.smartPivot=!1!==e}get smartPivot(){return this._configs.smartPivot}set doubleClickTimeFrame(e){this._configs.doubleClickTimeFrame=null!=e?e:250}get doubleClickTimeFrame(){return this._configs.doubleClickTimeFrame}destroy(){this._destroyHandlers(),this._destroyControllers(),this._cameraUpdater.destroy(),super.destroy()}_destroyHandlers(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.destroy&&t.destroy()}}_destroyControllers(){for(let e=0,t=this._controllers.length;e<t;e++){const t=this._controllers[e];t.destroy&&t.destroy()}}}class Ru{constructor(e,t,s,n,i){this.name=e,this.type=s,this.value=t,this.valueType=n,this.description=i}}class Cu{constructor(e){if(this.id=e.id,this.originalSystemId=e.originalSystemId,this.metaModels=[],this.name=e.name,this.type=e.type,this.properties=[],e.properties){const t=e.properties;for(let e=0,s=t.length;e<s;e++){const s=t[e];this.properties.push(new Ru(s.name,s.value,s.type,s.valueType,s.description))}}}}class _u{constructor(e){this.metaModel=null,this.metaModels=[],this.id=e.id,this.parentId=e.parentId,this.parent=null,this.originalSystemId=e.originalSystemId,this.name=e.name,this.type=e.type,this.propertySetIds=e.propertySetIds,this.propertySets=[],this.attributes=e.attributes||{}}getObjectIDsInSubtree(){const e=[];return function t(s){if(!s)return;e.push(s.id);const n=s.children;if(n)for(var i=0,a=n.length;i<a;i++)t(n[i])}(this),e}withMetaObjectsInSubtree(e){!function t(s){if(!s)return;e(s);const n=s.children;if(n)for(var i=0,a=n.length;i<a;i++)t(n[i])}(this)}getObjectIDsInSubtreeByType(e){const t={};for(var s=0,n=e.length;s<n;s++)t[e[s]]=e[s];const i=[];return function e(s){if(!s)return;t[s.type]&&i.push(s.id);const n=s.children;if(n)for(var a=0,r=n.length;a<r;a++)e(n[a])}(this),i}getJSON(){var e={id:this.id,type:this.type,name:this.name};return this.parent&&(e.parent=this.parent.id),e}}class Bu{constructor(e){this.id=e.id,this.projectId=e.projectId,this.revisionId=e.revisionId,this.author=e.author,this.createdAt=e.createdAt,this.creatingApplication=e.creatingApplication,this.schema=e.schema,this.metaScene=e.metaScene,this.propertySets=[],this.rootMetaObject=null,this.rootMetaObjects=[],this.metaObjects=[],this.graph=e.graph||{},this.metaScene.metaModels[this.id]=this,this.finalized=!1}loadData(e,t={}){if(this.finalized)throw"MetaScene already finalized - can't add more data";this._globalizeIDs(e,t);const s=this.metaScene;if(e.propertySets)for(let t=0,n=e.propertySets.length;t<n;t++){const n=e.propertySets[t];let i=s.propertySets[n.id];i||(i=new Cu({id:n.id,originalSystemId:n.originalSystemId||n.id,type:n.type,name:n.name,properties:n.properties}),s.propertySets[i.id]=i),i.metaModels.push(this),this.propertySets.push(i)}if(e.metaObjects)for(let t=0,n=e.metaObjects.length;t<n;t++){const n=e.metaObjects[t],i=n.id;let a=s.metaObjects[i];if(!a){const e=n.type,t=n.originalSystemId,s=n.propertySets||n.propertySetIds;a=new _u({id:i,originalSystemId:t,parentId:n.parent,type:e,name:n.name,attributes:n.attributes,propertySetIds:s}),this.metaScene.metaObjects[i]=a}a.metaModels.push(this),n.parent||(this.rootMetaObjects.push(a),s.rootMetaObjects[i]=a),this.metaObjects.push(a)}}finalize(){if(this.finalized)throw"MetaScene already finalized - can't re-finalize";const e=this.metaScene;for(let t in e.metaObjects){const s=e.metaObjects[t];if(s.children&&(s.children=[]),s.propertySets&&(s.propertySets=[]),s.propertySetIds)for(let t=0,n=s.propertySetIds.length;t<n;t++){const n=s.propertySetIds[t],i=e.propertySets[n];s.propertySets.push(i)}}for(let t in e.metaObjects){const s=e.metaObjects[t];if(s.parentId){const t=e.metaObjects[s.parentId];t&&(s.parent=t,(t.children||(t.children=[])).push(s))}}e.metaObjectsByType={};for(let t in e.metaObjects){const s=e.metaObjects[t],n=s.type;(e.metaObjectsByType[n]||(e.metaObjectsByType[n]={}))[t]=s}this.finalized=!0,this.metaScene.fire("metaModelCreated",this.id)}getJSON(){const e=[];!function t(s){const n={id:s.id,extId:s.extId,type:s.type,name:s.name};s.parent&&(n.parent=s.parent.id),e.push(n);const i=s.children;if(i)for(let e=0,s=i.length;e<s;e++)t(i[e])}(this.rootMetaObject);return{id:this.id,projectId:this.projectId,revisionId:this.revisionId,metaObjects:e}}_globalizeIDs(e,t){const s=!!t.globalizeObjectIds;if(e.metaObjects)for(let t=0,n=e.metaObjects.length;t<n;t++){const n=e.metaObjects[t];if(n.originalSystemId=n.id,n.originalParentSystemId=n.parent,s&&(n.id=h.globalizeObjectId(this.id,n.id),n.parent=h.globalizeObjectId(this.id,n.parent)),s){const e=n.propertySetIds;if(e){const t=[];for(let s=0,n=e.length;s<n;s++)t.push(h.globalizeObjectId(this.id,e[s]));n.propertySetIds=t,n.originalSystemPropertySetIds=e}}else n.originalSystemPropertySetIds=n.propertySetIds}if(e.propertySets)for(let t=0,n=e.propertySets.length;t<n;t++){const n=e.propertySets[t];n.originalSystemId=n.id,s&&(n.id=h.globalizeObjectId(mothis.id,n.id))}}}class Ou{constructor(e,t){this.viewer=e,this.scene=t,this.metaModels={},this.propertySets={},this.metaObjects={},this.metaObjectsByType={},this.rootMetaObjects={},this._eventSubs={}}on(e,t){let s=this._eventSubs[e];s||(s=[],this._eventSubs[e]=s),s.push(t)}fire(e,t){const s=this._eventSubs[e];if(s)for(let e=0,n=s.length;e<n;e++)s[e](t)}off(e){}createMetaModel(e,t,s={}){const n=new Bu({metaScene:this,id:e,projectId:t.projectId||"none",revisionId:t.revisionId||"none",author:t.author||"none",createdAt:t.createdAt||"none",creatingApplication:t.creatingApplication||"none",schema:t.schema||"none",propertySets:[]});return n.loadData(t),n.finalize(),n}destroyMetaModel(e){const t=this.metaModels[e];if(t){if(t.propertySets)for(let s=0,n=t.propertySets.length;s<n;s++){const n=t.propertySets[s];if(1===n.metaModels.length)delete this.propertySets[n.id];else{const t=[];for(let s=0,i=n.metaModels.length;s<i;s++)n.metaModels[s].id!==e&&t.push(n.metaModels[s]);n.metaModels=t}}if(t.metaObjects)for(let e=0,s=t.metaObjects.length;e<s;e++){const s=t.metaObjects[e];s.type;const n=s.id;if(1===s.metaModels.length)delete this.metaObjects[n],s.parent||delete this.rootMetaObjects[n];else{const e=[],n=t.id;for(let t=0,i=s.metaModels.length;t<i;t++)s.metaModels[t].id!==n&&e.push(s.metaModels[t]);s.metaModels=e}}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.children&&(t.children=[]),t.propertySets&&(t.propertySets=[]),t.propertySetIds)for(let e=0,s=t.propertySetIds.length;e<s;e++){const s=t.propertySetIds[e],n=this.propertySets[s];t.propertySets.push(n)}}this.metaObjectsByType={};for(let e in this.metaObjects){const t=this.metaObjects[e],s=t.type;t.children&&(t.children=null),(this.metaObjectsByType[s]||(this.metaObjectsByType[s]={}))[e]=t}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.parentId){const e=this.metaObjects[t.parentId];e&&(t.parent=e,(e.children||(e.children=[])).push(t))}}delete this.metaModels[e],this.fire("metaModelDestroyed",e)}}getObjectIDsByType(e){const t=this.metaObjectsByType[e];return t?Object.keys(t):[]}getObjectIDsInSubtree(e,t,s){const n=[],i=this.metaObjects[e],a=t&&t.length>0?Su(t):null,r=s&&s.length>0?Su(s):null,l=e=>{if(!e)return;var t=!0;(r&&r[e.type]||a&&!a[e.type])&&(t=!1),t&&n.push(e.id);const s=e.children;if(s)for(var i=0,o=s.length;i<o;i++)l(s[i])};return l(i),n}withMetaObjectsInSubtree(e,t){const s=this.metaObjects[e];s&&s.withMetaObjectsInSubtree(t)}}function Su(e){const t={};for(var s=0,n=e.length;s<n;s++)t[e[s]]=!0;return t}
 /*!
  * html2canvas 1.4.1 <https://html2canvas.hertzen.com>
  * Copyright (c) 2022 Niklas von Hertzen <https://hertzen.com>
diff --git a/dist/xeokit-sdk.min.es.js b/dist/xeokit-sdk.min.es.js
index ba0b4ce45..b23bdff6c 100644
--- a/dist/xeokit-sdk.min.es.js
+++ b/dist/xeokit-sdk.min.es.js
@@ -23,7 +23,7 @@ function as(e,t){t.length;const s=e.length,n=[],i=[],a=e=>{for(let s=0,n=e.meshI
 /**
  * @author https://github.com/tmarti, with support from https://tribia.com/
  * @license MIT
- **/let Mc=null;function Fc(e,t){const s=3*e,n=3*t;let i,a,r,l,o,c;const u=Math.min(i=Mc[s],a=Mc[s+1],r=Mc[s+2]),h=Math.min(l=Mc[n],o=Mc[n+1],c=Mc[n+2]);if(u!==h)return u-h;const p=Math.max(i,a,r),A=Math.max(l,o,c);return p!==A?p-A:0}let Hc=null;function Uc(e,t){let s=Hc[2*e]-Hc[2*t];return 0!==s?s:Hc[2*e+1]-Hc[2*t+1]}function Gc(e,t,s=!1){const n=e.positionsCompressed||[],i=function(e,t){const s=new Int32Array(e.length/3);for(let e=0,t=s.length;e<t;e++)s[e]=e;Mc=new Int32Array(e.length);for(let s=0,n=e.length;s<n;s++)Mc[s]=e[s]>>t;s.sort(Fc);const n=new Int32Array(e.length);for(let t=0,i=s.length;t<i;t++)n[3*t+0]=e[3*s[t]+0],n[3*t+1]=e[3*s[t]+1],n[3*t+2]=e[3*s[t]+2];return n}(e.indices||[],t),a=function(e){if(0===(e||[]).length)return[];let t=new Int32Array(e.length/2);for(let e=0,s=t.length;e<s;e++)t[e]=e;for(let t=0,s=e.length;t<s;t+=2)if(e[t]>e[t+1]){let s=e[t];e[t]=e[t+1],e[t+1]=s}Hc=new Int32Array(e),t.sort(Uc);const s=new Int32Array(e.length);for(let n=0,i=t.length;n<i;n++)s[2*n+0]=e[2*t[n]+0],s[2*n+1]=e[2*t[n]+1];return s}(e.edgeIndices||[]);function r(e,t){if(e>t){let s=e;e=t,t=s}function s(s,n){return s!==e?e-s:n!==t?t-n:0}let n=0,i=(a.length>>1)-1;for(;n<=i;){const e=i+n>>1,t=s(a[2*e],a[2*e+1]);if(t>0)n=e+1;else{if(!(t<0))return e;i=e-1}}return-n-1}const l=new Int32Array(a.length/2);l.fill(0);const o=n.length/3;if(o>8*(1<<t))return[e];const c=new Int32Array(o);c.fill(-1);const u=[];function h(){c.fill(-1);const e={positionsCompressed:[],indices:[],edgeIndices:[],maxNumPositions:(1<<t)-t,numPositions:0,bucketNumber:u.length};return u.push(e),e}let p=h();for(let t=0,s=i.length;t<s;t+=3){let s=0;const o=i[t],u=i[t+1],A=i[t+2];if(-1===c[o]&&s++,-1===c[u]&&s++,-1===c[A]&&s++,s+p.numPositions>p.maxNumPositions&&(p=h()),p.bucketNumber>8)return[e];let d;-1===c[o]&&(c[o]=p.numPositions++,p.positionsCompressed.push(n[3*o]),p.positionsCompressed.push(n[3*o+1]),p.positionsCompressed.push(n[3*o+2])),-1===c[u]&&(c[u]=p.numPositions++,p.positionsCompressed.push(n[3*u]),p.positionsCompressed.push(n[3*u+1]),p.positionsCompressed.push(n[3*u+2])),-1===c[A]&&(c[A]=p.numPositions++,p.positionsCompressed.push(n[3*A]),p.positionsCompressed.push(n[3*A+1]),p.positionsCompressed.push(n[3*A+2])),p.indices.push(c[o]),p.indices.push(c[u]),p.indices.push(c[A]),(d=r(o,u))>=0&&0===l[d]&&(l[d]=1,p.edgeIndices.push(c[a[2*d]]),p.edgeIndices.push(c[a[2*d+1]])),(d=r(o,A))>=0&&0===l[d]&&(l[d]=1,p.edgeIndices.push(c[a[2*d]]),p.edgeIndices.push(c[a[2*d+1]])),(d=r(u,A))>=0&&0===l[d]&&(l[d]=1,p.edgeIndices.push(c[a[2*d]]),p.edgeIndices.push(c[a[2*d+1]]))}const A=t/8*2,d=t/8,f=2*n.length+(i.length+a.length)*A;let I=0,y=-n.length/3;return u.forEach((e=>{I+=2*e.positionsCompressed.length+(e.indices.length+e.edgeIndices.length)*d,y+=e.positionsCompressed.length/3})),I>f?[e]:(s&&function(e,t){const s={},n={};let i=0;e.forEach((e=>{const t=e.indices,a=e.edgeIndices,r=e.positionsCompressed;for(let e=0,n=t.length;e<n;e+=3){const n=r[3*t[e]]+"_"+r[3*t[e]+1]+"_"+r[3*t[e]+2]+"/"+r[3*t[e+1]]+"_"+r[3*t[e+1]+1]+"_"+r[3*t[e+1]+2]+"/"+r[3*t[e+2]]+"_"+r[3*t[e+2]+1]+"_"+r[3*t[e+2]+2];s[n]=!0}i+=e.edgeIndices.length/2;for(let e=0,t=a.length;e<t;e+=2){const t=r[3*a[e]]+"_"+r[3*a[e]+1]+"_"+r[3*a[e]+2]+"/"+r[3*a[e+1]]+"_"+r[3*a[e+1]+1]+"_"+r[3*a[e+1]+2]+"/";n[t]=!0}}));{const e=t.indices;t.edgeIndices;const n=t.positionsCompressed;for(let t=0,i=e.length;t<i;t+=3){const i=n[3*e[t]]+"_"+n[3*e[t]+1]+"_"+n[3*e[t]+2]+"/"+n[3*e[t+1]]+"_"+n[3*e[t+1]+1]+"_"+n[3*e[t+1]+2]+"/"+n[3*e[t+2]]+"_"+n[3*e[t+2]+1]+"_"+n[3*e[t+2]+2];if(!(i in s))throw console.log("Not found "+i),"Ohhhh!"}}}(u,e),u)}const Vc=p.vec3(),jc=p.vec3(),kc=p.vec3(),Qc=p.vec3(),Wc=p.vec4(),zc=p.mat4();class Kc{constructor(e,t){this._scene=e,this._withSAO=t,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,s){const n=this._scene,i=n.camera,a=t.model,r=n.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin,{position:u,rotationMatrix:h,rotationMatrixConjugate:A}=a;if(!this._program&&(this._allocate(),this.errors))return;let d,f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,l)),o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);const I=0!==c[0]||0!==c[1]||0!==c[2],y=0!==u[0]||0!==u[1]||0!==u[2];if(I||y){const e=Vc;if(I){const t=p.transformPoint3(h,c,jc);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=u[0],e[1]+=u[1],e[2]+=u[2],d=O(i.viewMatrix,e,zc),f=kc,f[0]=i.eye[0]-e[0],f[1]=i.eye[1]-e[1],f[2]=i.eye[2]-e[2]}else d=i.viewMatrix,f=i.eye;if(r.uniformMatrix4fv(this._uSceneModelWorldMatrix,!1,A),r.uniformMatrix4fv(this._uViewMatrix,!1,d),r.uniformMatrix4fv(this._uProjMatrix,!1,i.projMatrix),r.uniform3fv(this._uCameraEyeRtc,f),r.uniform1i(this._uRenderPass,s),n.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,t)}const m=n._sectionPlanesState.sectionPlanes.length;if(m>0){const e=n._sectionPlanesState.sectionPlanes,s=t.layerIndex*m,i=a.renderFlags;for(let t=0;t<m;t++){const n=this._uSectionPlanes[t];if(n){const a=i.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,a?1:0),a){const s=e[t];if(c){const e=L(s.dist,s.dir,c,Qc);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}l.numIndices8Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),r.drawArrays(r.TRIANGLES,0,l.numIndices8Bits)),l.numIndices16Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),r.drawArrays(r.TRIANGLES,0,l.numIndices16Bits)),l.numIndices32Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),r.drawArrays(r.TRIANGLES,0,l.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl,s=e._lightsState;if(this._program=new De(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const n=this._program;this._uRenderPass=n.getLocation("renderPass"),this._uLightAmbient=n.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];const i=s.lights;let a;for(let e=0,t=i.length;e<t;e++)switch(a=i[e],a.type){case"dir":this._uLightColor[e]=n.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=n.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=n.getLocation("lightColor"+e),this._uLightPos[e]=n.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=n.getLocation("lightAttenuation"+e);break;case"spot":this._uLightColor[e]=n.getLocation("lightColor"+e),this._uLightPos[e]=n.getLocation("lightPos"+e),this._uLightDir[e]=n.getLocation("lightDir"+e),this._uLightAttenuation[e]=n.getLocation("lightAttenuation"+e)}this._uSceneModelWorldMatrix=n.getLocation("sceneModelWorldMatrix"),this._uViewMatrix=n.getLocation("viewMatrix"),this._uProjMatrix=n.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.sectionPlanes.length;t<s;t++)this._uSectionPlanes.push({active:n.getLocation("sectionPlaneActive"+t),pos:n.getLocation("sectionPlanePos"+t),dir:n.getLocation("sectionPlaneDir"+t)});this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=n.getLocation("uSAOParams")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=n.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=n.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,s=t.canvas.gl,n=this._program,i=t._lightsState.lights,a=t.camera.project;n.bind(),this._uLightAmbient&&s.uniform4fv(this._uLightAmbient,t._lightsState.getAmbientColorAndIntensity());for(let e=0,t=i.length;e<t;e++){const t=i[e];this._uLightColor[e]&&s.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(s.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&s.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&s.uniform3fv(this._uLightDir[e],t.dir)}if(this._withSAO){const n=t.sao;if(n.possible){const t=s.drawingBufferWidth,i=s.drawingBufferHeight;Wc[0]=t,Wc[1]=i,Wc[2]=n.blendCutoff,Wc[3]=n.blendFactor,s.uniform4fv(this._uSAOParams,Wc),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,10)}}if(t.logarithmicDepthBufferEnabled){const e=2/(Math.log(a.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,s=e._lightsState,n=t.sectionPlanes.length>0;let i;const a=[];a.push("#version 300 es"),a.push("// TrianglesDataTextureColorRenderer vertex shader"),a.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),a.push("precision highp float;"),a.push("precision highp int;"),a.push("precision highp usampler2D;"),a.push("precision highp isampler2D;"),a.push("precision highp sampler2D;"),a.push("#else"),a.push("precision mediump float;"),a.push("precision mediump int;"),a.push("precision mediump usampler2D;"),a.push("precision mediump isampler2D;"),a.push("precision mediump sampler2D;"),a.push("#endif"),a.push("uniform int renderPass;"),e.entityOffsetsEnabled&&a.push("in vec3 offset;"),a.push("uniform mat4 sceneModelWorldMatrix;"),a.push("uniform mat4 viewMatrix;"),a.push("uniform mat4 projMatrix;"),a.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),a.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),a.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),a.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),a.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),a.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),a.push("uniform highp sampler2D uTextureModelMatrices;"),a.push("uniform vec3 uCameraEyeRtc;"),a.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(a.push("uniform float logDepthBufFC;"),a.push("out float vFragDepth;"),a.push("out float isPerspective;")),a.push("bool isPerspectiveMatrix(mat4 m) {"),a.push("    return (m[2][3] == - 1.0);"),a.push("}"),a.push("uniform vec4 lightAmbient;");for(let e=0,t=s.lights.length;e<t;e++)i=s.lights[e],"ambient"!==i.type&&(a.push("uniform vec4 lightColor"+e+";"),"dir"===i.type&&a.push("uniform vec3 lightDir"+e+";"),"point"===i.type&&a.push("uniform vec3 lightPos"+e+";"),"spot"===i.type&&(a.push("uniform vec3 lightPos"+e+";"),a.push("uniform vec3 lightDir"+e+";")));n&&(a.push("out vec4 vWorldPosition;"),a.push("flat out uint vFlags2;")),a.push("out vec4 vColor;"),a.push("void main(void) {"),a.push("int polygonIndex = gl_VertexID / 3;"),a.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),a.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),a.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),a.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),a.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),a.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),a.push("if (int(flags.x) != renderPass) {"),a.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),a.push("   return;"),a.push("} else {"),a.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),a.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),a.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),a.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),a.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),a.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),a.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),a.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),a.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),a.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),a.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),a.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),a.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),a.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),a.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),a.push("uvec4 color = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),a.push("if (color.a == 0u) {"),a.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),a.push("   return;"),a.push("};"),a.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),a.push("vec3 position;"),a.push("position = positions[gl_VertexID % 3];"),a.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),a.push("if (solid != 1u) {"),a.push("if (isPerspectiveMatrix(projMatrix)) {"),a.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),a.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),a.push("position = positions[2 - (gl_VertexID % 3)];"),a.push("viewNormal = -viewNormal;"),a.push("}"),a.push("} else {"),a.push("if (viewNormal.z < 0.0) {"),a.push("position = positions[2 - (gl_VertexID % 3)];"),a.push("viewNormal = -viewNormal;"),a.push("}"),a.push("}"),a.push("}"),a.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),a.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),a.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),a.push("vec4 viewPosition = viewMatrix * worldPosition; "),a.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),a.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),a.push("float lambertian = 1.0;");for(let e=0,t=s.lights.length;e<t;e++)if(i=s.lights[e],"ambient"!==i.type){if("dir"===i.type)"view"===i.space?a.push("viewLightDir = normalize(lightDir"+e+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===i.type)"view"===i.space?a.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):a.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==i.type)continue;"view"===i.space?a.push("viewLightDir = normalize(lightDir"+e+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}a.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),a.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}return a.push("vec3 rgb = vec3(color.rgb) / 255.0;"),a.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),a.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(a.push("vFragDepth = 1.0 + clipPos.w;"),a.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),n&&(a.push("vWorldPosition = worldPosition;"),a.push("vFlags2 = flags2.r;")),a.push("gl_Position = clipPos;"),a.push("}"),a.push("}"),a}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// TrianglesDataTextureColorRenderer fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uint vFlags2;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0u;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { "),n.push("      discard;"),n.push("  }"),n.push("}")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor            = vec4(vColor.rgb * ambient, 1.0);")):n.push("   outColor            = vColor;"),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Yc=new Float32Array([1,1,1]),Xc=p.vec3(),qc=p.vec3(),Jc=p.vec3(),Zc=p.vec3(),$c=p.mat4();class eu{constructor(e,t){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){const n=this._scene,i=n.camera,a=t.model,r=n.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin,{position:u,rotationMatrix:h,rotationMatrixConjugate:A}=a,d=i.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let f,I;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,l)),o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets),c||0!==u[0]||0!==u[1]||0!==u[2]){const e=Xc;if(c){const t=qc;p.transformPoint3(h,c,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=u[0],e[1]+=u[1],e[2]+=u[2],f=O(d,e,$c),I=Jc,I[0]=i.eye[0]-e[0],I[1]=i.eye[1]-e[1],I[2]=i.eye[2]-e[2]}else f=d,I=i.eye;if(r.uniform3fv(this._uCameraEyeRtc,I),r.uniform1i(this._uRenderPass,s),r.uniformMatrix4fv(this._uWorldMatrix,!1,A),r.uniformMatrix4fv(this._uViewMatrix,!1,f),r.uniformMatrix4fv(this._uProjMatrix,!1,i.projMatrix),s===cr.SILHOUETTE_XRAYED){const e=n.xrayMaterial._state,t=e.fillColor,s=e.fillAlpha;r.uniform4f(this._uColor,t[0],t[1],t[2],s)}else if(s===cr.SILHOUETTE_HIGHLIGHTED){const e=n.highlightMaterial._state,t=e.fillColor,s=e.fillAlpha;r.uniform4f(this._uColor,t[0],t[1],t[2],s)}else if(s===cr.SILHOUETTE_SELECTED){const e=n.selectedMaterial._state,t=e.fillColor,s=e.fillAlpha;r.uniform4f(this._uColor,t[0],t[1],t[2],s)}else r.uniform4fv(this._uColor,Yc);if(n.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,t)}const y=n._sectionPlanesState.sectionPlanes.length;if(y>0){const e=n._sectionPlanesState.sectionPlanes,s=t.layerIndex*y,i=a.renderFlags;for(let t=0;t<y;t++){const n=this._uSectionPlanes[t];if(n){const a=i.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,a?1:0),a){const s=e[t];if(c){const e=L(s.dist,s.dir,c,Zc);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}l.numIndices8Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),r.drawArrays(r.TRIANGLES,0,l.numIndices8Bits)),l.numIndices16Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),r.drawArrays(r.TRIANGLES,0,l.numIndices16Bits)),l.numIndices32Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),r.drawArrays(r.TRIANGLES,0,l.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new De(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uColor=s.getLocation("color"),this._uWorldMatrix=s.getLocation("worldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,s=t.canvas.gl,n=t.camera.project;if(this._program.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(n.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("#version 300 es"),s.push("// Triangles dataTexture silhouette vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("precision highp usampler2D;"),s.push("precision highp isampler2D;"),s.push("precision highp sampler2D;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("precision mediump usampler2D;"),s.push("precision mediump isampler2D;"),s.push("precision mediump sampler2D;"),s.push("#endif"),s.push("uniform int renderPass;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("uniform mat4 worldMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),s.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),s.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),s.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),s.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),s.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),s.push("uniform highp sampler2D uTextureModelMatrices;"),s.push("uniform vec3 uCameraEyeRtc;"),s.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("out float isPerspective;")),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),t&&(s.push("out vec4 vWorldPosition;"),s.push("flat out uint vFlags2;")),s.push("void main(void) {"),s.push("int polygonIndex = gl_VertexID / 3;"),s.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),s.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),s.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),s.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("if (int(flags.y) != renderPass) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("} else {"),s.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),s.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),s.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),s.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),s.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),s.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),s.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),s.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),s.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),s.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),s.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),s.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),s.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),s.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),s.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),s.push("vec3 position;"),s.push("position = positions[gl_VertexID % 3];"),s.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),s.push("if (solid != 1u) {"),s.push("if (isPerspectiveMatrix(projMatrix)) {"),s.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),s.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),s.push("position = positions[2 - (gl_VertexID % 3)];"),s.push("viewNormal = -viewNormal;"),s.push("}"),s.push("} else {"),s.push("if (viewNormal.z < 0.0) {"),s.push("position = positions[2 - (gl_VertexID % 3)];"),s.push("viewNormal = -viewNormal;"),s.push("}"),s.push("}"),s.push("}"),s.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),s.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),s.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),s.push("vec4 viewPosition = viewMatrix * worldPosition; "),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags2 = flags2.r;")),s.push("gl_Position = clipPos;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// Triangles dataTexture draw fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uint vFlags2;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("uniform vec4 color;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0u;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { "),n.push("      discard;"),n.push("  }"),n.push("}")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("    outColor = color;"),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const tu=new Float32Array([0,0,0,1]),su=p.vec3(),nu=p.vec3();p.vec3();const iu=p.vec3(),au=p.mat4();class ru{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){const n=t.model,i=n.scene,a=i.camera,r=i.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin,{position:u,rotationMatrix:h,rotationMatrixConjugate:A}=n,d=a.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);const I=0!==c[0]||0!==c[1]||0!==c[2],y=0!==u[0]||0!==u[1]||0!==u[2];if(I||y){const e=su;if(I){const t=nu;p.transformPoint3(h,c,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=u[0],e[1]+=u[1],e[2]+=u[2],f=O(d,e,au)}else f=d;if(r.uniform1i(this._uRenderPass,s),r.uniformMatrix4fv(this._uSceneModelWorldMatrix,!1,A),r.uniformMatrix4fv(this._uViewMatrix,!1,f),r.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix),s===cr.EDGES_XRAYED){const e=i.xrayMaterial._state,t=e.edgeColor,s=e.edgeAlpha;r.uniform4f(this._uColor,t[0],t[1],t[2],s)}else if(s===cr.EDGES_HIGHLIGHTED){const e=i.highlightMaterial._state,t=e.edgeColor,s=e.edgeAlpha;r.uniform4f(this._uColor,t[0],t[1],t[2],s)}else if(s===cr.EDGES_SELECTED){const e=i.selectedMaterial._state,t=e.edgeColor,s=e.edgeAlpha;r.uniform4f(this._uColor,t[0],t[1],t[2],s)}else r.uniform4fv(this._uColor,tu);const m=i._sectionPlanesState.sectionPlanes.length;if(m>0){const e=i._sectionPlanesState.sectionPlanes,s=t.layerIndex*m,a=n.renderFlags;for(let t=0;t<m;t++){const n=this._uSectionPlanes[t];if(n){const i=a.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,i?1:0),i){const s=e[t];if(c){const e=L(s.dist,s.dir,c,iu);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}l.numEdgeIndices8Bits>0&&(o.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),r.drawArrays(r.LINES,0,l.numEdgeIndices8Bits)),l.numEdgeIndices16Bits>0&&(o.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),r.drawArrays(r.LINES,0,l.numEdgeIndices16Bits)),l.numEdgeIndices32Bits>0&&(o.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),r.drawArrays(r.LINES,0,l.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new De(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uColor=s.getLocation("color"),this._uSceneModelWorldMatrix=s.getLocation("sceneModelWorldMatrix"),this._uWorldMatrix=s.getLocation("worldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets"}_bindProgram(){const e=this._scene,t=e.canvas.gl,s=this._program,n=e.camera.project;if(s.bind(),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(n.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("#version 300 es"),s.push("// Batched geometry edges drawing vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("precision highp usampler2D;"),s.push("precision highp isampler2D;"),s.push("precision highp sampler2D;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("precision mediump usampler2D;"),s.push("precision mediump isampler2D;"),s.push("precision mediump sampler2D;"),s.push("#endif"),s.push("uniform int renderPass;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("uniform mat4 sceneModelWorldMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),s.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),s.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),s.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),s.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),s.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),s.push("uniform highp sampler2D uTextureModelMatrices;"),s.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),s.push("out float isPerspective;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("flat out uint vFlags2;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int edgeIndex = gl_VertexID / 2;"),s.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),s.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),s.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),s.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("if (int(flags.z) != renderPass) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("} else {"),s.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),s.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),s.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),s.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),s.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),s.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),s.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),s.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),s.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),s.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),s.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),s.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),s.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("  vFlags2 = flags2.r;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s.push("gl_Position = clipPos;"),s.push("vColor = vec4(color.r, color.g, color.b, color.a);"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// Batched geometry edges drawing fragment shader"),e.logarithmicDepthBufferEnabled&&n.push("#extension GL_EXT_frag_depth : enable"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uint vFlags2;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0u;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { discard; }"),n.push("}")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("   outColor            = vColor;"),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const lu=p.vec3(),ou=p.vec3(),cu=p.vec3(),uu=p.mat4();class hu{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){const n=t.model,i=n.scene,a=i.camera,r=i.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin,{position:u,rotationMatrix:h,rotationMatrixConjugate:A}=n,d=a.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);const I=0!==c[0]||0!==c[1]||0!==c[2],y=0!==u[0]||0!==u[1]||0!==u[2];if(I||y){const e=lu;if(I){const t=ou;p.transformPoint3(h,c,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=u[0],e[1]+=u[1],e[2]+=u[2],f=O(d,e,uu)}else f=d;r.uniform1i(this._uRenderPass,s),r.uniformMatrix4fv(this._uSceneModelWorldMatrix,!1,A),r.uniformMatrix4fv(this._uViewMatrix,!1,f),r.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix);const m=i._sectionPlanesState.sectionPlanes.length;if(m>0){const e=i._sectionPlanesState.sectionPlanes,s=t.layerIndex*m,a=n.renderFlags;for(let t=0;t<m;t++){const n=this._uSectionPlanes[t];if(n){const i=a.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,i?1:0),i){const s=e[t];if(c){const e=L(s.dist,s.dir,c,cu);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}l.numEdgeIndices8Bits>0&&(o.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),r.drawArrays(r.LINES,0,l.numEdgeIndices8Bits)),l.numEdgeIndices16Bits>0&&(o.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),r.drawArrays(r.LINES,0,l.numEdgeIndices16Bits)),l.numEdgeIndices32Bits>0&&(o.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),r.drawArrays(r.LINES,0,l.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new De(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uSceneModelWorldMatrix=s.getLocation("sceneModelWorldMatrix"),this._uWorldMatrix=s.getLocation("worldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets"}_bindProgram(){const e=this._scene,t=e.canvas.gl,s=this._program,n=e.camera.project;if(s.bind(),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(n.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("#version 300 es"),s.push("// Batched geometry edges drawing vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("precision highp usampler2D;"),s.push("precision highp isampler2D;"),s.push("precision highp sampler2D;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("precision mediump usampler2D;"),s.push("precision mediump isampler2D;"),s.push("precision mediump sampler2D;"),s.push("#endif"),s.push("uniform int renderPass;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("uniform mat4 sceneModelWorldMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),s.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),s.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),s.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),s.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),s.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),s.push("uniform highp sampler2D uTextureModelMatrices;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),s.push("out float isPerspective;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("flat out uint vFlags2;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),s.push("int edgeIndex = gl_VertexID / 2;"),s.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),s.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),s.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),s.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("if (int(flags.z) != renderPass) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("} else {"),s.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),s.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),s.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),s.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),s.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),s.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),s.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),s.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),s.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),s.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),s.push("uvec4 color = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),s.push("if (color.a == 0u) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("};"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),s.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),s.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("  vFlags2 = flags2.r;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s.push("gl_Position = clipPos;"),s.push("vec4 rgb = vec4(color.rgba);"),s.push("vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// Batched geometry edges drawing fragment shader"),e.logarithmicDepthBufferEnabled&&n.push("#extension GL_EXT_frag_depth : enable"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uint vFlags2;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0u;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { discard; }"),n.push("}")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("   outColor            = vColor;"),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const pu=p.vec3(),Au=p.vec3(),du=p.vec3(),fu=p.mat4();class Iu{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e));const n=t.model,i=n.scene,a=i.camera,r=i.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin,{position:u,rotationMatrix:h,rotationMatrixConjugate:A}=n;let d,f;o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);const I=0!==c[0]||0!==c[1]||0!==c[2],y=0!==u[0]||0!==u[1]||0!==u[2];if(I||y){const e=pu;if(I){const t=p.transformPoint3(h,c,Au);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=u[0],e[1]+=u[1],e[2]+=u[2],d=O(a.viewMatrix,e,fu),f=du,f[0]=a.eye[0]-e[0],f[1]=a.eye[1]-e[1],f[2]=a.eye[2]-e[2]}else d=a.viewMatrix,f=a.eye;if(r.uniformMatrix4fv(this._uSceneModelWorldMatrix,!1,A),r.uniformMatrix4fv(this._uViewMatrix,!1,d),r.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix),r.uniform3fv(this._uCameraEyeRtc,f),r.uniform1i(this._uRenderPass,s),i.logarithmicDepthBufferEnabled){const e=2/(Math.log(a.project.far+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,e)}const m=i._sectionPlanesState.sectionPlanes.length;if(m>0){const e=i._sectionPlanesState.sectionPlanes,s=t.layerIndex*m,a=n.renderFlags;for(let t=0;t<m;t++){const n=this._uSectionPlanes[t];if(n){const i=a.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,i?1:0),i){const s=e[t];if(c){const e=L(s.dist,s.dir,c,pu);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}l.numIndices8Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),r.drawArrays(r.TRIANGLES,0,l.numIndices8Bits)),l.numIndices16Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),r.drawArrays(r.TRIANGLES,0,l.numIndices16Bits)),l.numIndices32Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),r.drawArrays(r.TRIANGLES,0,l.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new De(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uPickInvisible=s.getLocation("pickInvisible"),this._uSceneModelWorldMatrix=s.getLocation("sceneModelWorldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=s.getLocation("uSAOParams")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene.canvas.gl;this._program.bind(),t.uniform1i(this._uPickInvisible,e.pickInvisible)}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("#version 300 es"),s.push("// Batched geometry picking vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("precision highp usampler2D;"),s.push("precision highp isampler2D;"),s.push("precision highp sampler2D;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("precision mediump usampler2D;"),s.push("precision mediump isampler2D;"),s.push("precision mediump sampler2D;"),s.push("#endif"),s.push("uniform int renderPass;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("uniform mat4 sceneModelWorldMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform bool pickInvisible;"),s.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),s.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),s.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),s.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),s.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),s.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),s.push("uniform highp sampler2D uTextureModelMatrices;"),s.push("uniform vec3 uCameraEyeRtc;"),s.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("out float isPerspective;")),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),t&&(s.push("smooth out vec4 vWorldPosition;"),s.push("flat out uvec4 vFlags2;")),s.push("out vec4 vPickColor;"),s.push("void main(void) {"),s.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),s.push("int polygonIndex = gl_VertexID / 3;"),s.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),s.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),s.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),s.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("if (int(flags.w) != renderPass) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("} else {"),s.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),s.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),s.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),s.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),s.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),s.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),s.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),s.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),s.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),s.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),s.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),s.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),s.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),s.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),s.push("uvec4 color = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),s.push("if (color.a == 0u) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("};"),s.push("vPickColor = vec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0)) / 255.0;"),s.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),s.push("vec3 position;"),s.push("position = positions[gl_VertexID % 3];"),s.push("if (solid != 1u) {"),s.push("if (isPerspectiveMatrix(projMatrix)) {"),s.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),s.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),s.push("position = positions[2 - (gl_VertexID % 3)];"),s.push("}"),s.push("} else {"),s.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),s.push("if (viewNormal.z < 0.0) {"),s.push("position = positions[2 - (gl_VertexID % 3)];"),s.push("}"),s.push("}"),s.push("}"),s.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),s.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),s.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),s.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags2 = flags2;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s.push("gl_Position = clipPos;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// Batched geometry picking fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uvec4 vFlags2;");for(var i=0;i<t.sectionPlanes.length;i++)n.push("uniform bool sectionPlaneActive"+i+";"),n.push("uniform vec3 sectionPlanePos"+i+";"),n.push("uniform vec3 sectionPlaneDir"+i+";")}if(n.push("in vec4 vPickColor;"),n.push("out vec4 outPickColor;"),n.push("void main(void) {"),s){n.push("  bool clippable = (float(vFlags2.x) > 0.0);"),n.push("  if (clippable) {"),n.push("      float dist = 0.0;");for(i=0;i<t.sectionPlanes.length;i++)n.push("      if (sectionPlaneActive"+i+") {"),n.push("          dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),n.push("      }");n.push("      if (dist > 0.0) { discard; }"),n.push("  }")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("   outPickColor = vPickColor; "),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const yu=p.vec3(),mu=p.vec3(),vu=p.vec3(),wu=p.vec3(),gu=p.mat4();class Tu{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){const n=t.model,i=n.scene,a=i.camera,r=i.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin,{position:u,rotationMatrix:h,rotationMatrixConjugate:A}=n,d=e.pickViewMatrix||a.viewMatrix;let f,I;if(this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets),a.eye,c||0!==u[0]||0!==u[1]||0!==u[2]){const t=yu;if(c){const e=mu;p.transformPoint3(h,c,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=u[0],t[1]+=u[1],t[2]+=u[2],f=O(d,t,gu),I=vu,I[0]=a.eye[0]-t[0],I[1]=a.eye[1]-t[1],I[2]=a.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,I=a.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;if(r.uniform3fv(this._uCameraEyeRtc,I),r.uniform1i(this._uRenderPass,s),r.uniform1i(this._uPickInvisible,e.pickInvisible),r.uniform1f(this._uPickZNear,e.pickZNear),r.uniform1f(this._uPickZFar,e.pickZFar),r.uniformMatrix4fv(this._uWorldMatrix,!1,A),r.uniformMatrix4fv(this._uViewMatrix,!1,f),r.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix),i.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,t)}const y=i._sectionPlanesState.sectionPlanes.length;if(y>0){const e=i._sectionPlanesState.sectionPlanes,s=t.layerIndex*y,a=n.renderFlags;for(let t=0;t<y;t++){const n=this._uSectionPlanes[t];if(n){const i=a.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,i?1:0),i){const s=e[t];if(c){const e=L(s.dist,s.dir,c,wu);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}l.numIndices8Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),r.drawArrays(r.TRIANGLES,0,l.numIndices8Bits)),l.numIndices16Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),r.drawArrays(r.TRIANGLES,0,l.numIndices16Bits)),l.numIndices32Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),r.drawArrays(r.TRIANGLES,0,l.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new De(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uPickInvisible=s.getLocation("pickInvisible"),this._uWorldMatrix=s.getLocation("worldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._uPickZNear=s.getLocation("pickZNear"),this._uPickZFar=s.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureCameraMatrices="uTextureCameraMatrices",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("#version 300 es"),s.push("// Triangles dataTexture pick depth vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("precision highp usampler2D;"),s.push("precision highp isampler2D;"),s.push("precision highp sampler2D;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("precision mediump usampler2D;"),s.push("precision mediump isampler2D;"),s.push("precision mediump sampler2D;"),s.push("#endif"),s.push("uniform int renderPass;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("uniform mat4 worldMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform bool pickInvisible;"),s.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),s.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),s.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),s.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),s.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),s.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),s.push("uniform highp sampler2D uTextureModelMatrices;"),s.push("uniform vec3 uCameraEyeRtc;"),s.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("out float isPerspective;")),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),t&&(s.push("out vec4 vWorldPosition;"),s.push("flat out uint vFlags2;")),s.push("out vec4 vViewPosition;"),s.push("void main(void) {"),s.push("int polygonIndex = gl_VertexID / 3;"),s.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),s.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),s.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),s.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("if (int(flags.w) != renderPass) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("} else {"),s.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),s.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),s.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),s.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),s.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),s.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),s.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),s.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),s.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),s.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),s.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),s.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),s.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),s.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),s.push("uvec4 color = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),s.push("if (color.a == 0u) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("};"),s.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),s.push("vec3 position;"),s.push("position = positions[gl_VertexID % 3];"),s.push("if (solid != 1u) {"),s.push("if (isPerspectiveMatrix(projMatrix)) {"),s.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),s.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),s.push("position = positions[2 - (gl_VertexID % 3)];"),s.push("}"),s.push("} else {"),s.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),s.push("if (viewNormal.z < 0.0) {"),s.push("position = positions[2 - (gl_VertexID % 3)];"),s.push("}"),s.push("}"),s.push("}"),s.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),s.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),s.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),s.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags2 = flags2.r;")),s.push("vViewPosition = viewPosition;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s.push("gl_Position = clipPos;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// Triangles dataTexture pick depth fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform float pickZNear;"),n.push("uniform float pickZFar;"),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uint vFlags2;");for(var i=0;i<t.sectionPlanes.length;i++)n.push("uniform bool sectionPlaneActive"+i+";"),n.push("uniform vec3 sectionPlanePos"+i+";"),n.push("uniform vec3 sectionPlaneDir"+i+";")}if(n.push("in vec4 vViewPosition;"),n.push("vec4 packDepth(const in float depth) {"),n.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),n.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),n.push("  vec4 res = fract(depth * bitShift);"),n.push("  res -= res.xxyz * bitMask;"),n.push("  return res;"),n.push("}"),n.push("out vec4 outPackedDepth;"),n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0u;"),n.push("  if (clippable) {"),n.push("      float dist = 0.0;");for(i=0;i<t.sectionPlanes.length;i++)n.push("      if (sectionPlaneActive"+i+") {"),n.push("          dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),n.push("      }");n.push("      if (dist > 0.0) { discard; }"),n.push("  }")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),n.push("    outPackedDepth = packDepth(zNormalizedDepth); "),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Eu=p.vec3(),bu=p.vec3(),Du=p.vec3(),Pu=p.vec3(),Ru=p.vec3(),Cu=p.mat4();class _u{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const n=t.model,i=n.scene,a=i.camera,r=i.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin,{position:u,rotationMatrix:h,rotationMatrixConjugate:A}=n,d=t.aabb,f=e.pickViewMatrix||a.viewMatrix,I=Eu;let y,m;I[0]=p.safeInv(d[3]-d[0])*p.MAX_INT,I[1]=p.safeInv(d[4]-d[1])*p.MAX_INT,I[2]=p.safeInv(d[5]-d[2])*p.MAX_INT,e.snapPickCoordinateScale[0]=p.safeInv(I[0]),e.snapPickCoordinateScale[1]=p.safeInv(I[1]),e.snapPickCoordinateScale[2]=p.safeInv(I[2]),o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);const v=0!==c[0]||0!==c[1]||0!==c[2],w=0!==u[0]||0!==u[1]||0!==u[2];if(v||w){const t=bu;if(v){const e=p.transformPoint3(h,c,Du);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=u[0],t[1]+=u[1],t[2]+=u[2],y=O(f,t,Cu),m=Pu,m[0]=a.eye[0]-t[0],m[1]=a.eye[1]-t[1],m[2]=a.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else y=f,m=a.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;if(r.uniform3fv(this._uCameraEyeRtc,m),r.uniform2fv(this.uVectorA,e.snapVectorA),r.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),r.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),r.uniform3fv(this._uCoordinateScaler,I),r.uniform1i(this._uRenderPass,s),r.uniform1i(this._uPickInvisible,e.pickInvisible),r.uniformMatrix4fv(this._uSceneModelWorldMatrix,!1,A),r.uniformMatrix4fv(this._uViewMatrix,!1,y),r.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix),i.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,t)}const g=i._sectionPlanesState.sectionPlanes.length;if(g>0){const e=i._sectionPlanesState.sectionPlanes,s=t.layerIndex*g,a=n.renderFlags;for(let t=0;t<g;t++){const n=this._uSectionPlanes[t];if(n){const i=a.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,i?1:0),i){const s=e[t];if(c){const e=L(s.dist,s.dir,c,Ru);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}const T="edge"===e.snapMode?r.LINES:r.POINTS;l.numEdgeIndices8Bits>0&&(o.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),r.drawArrays(T,0,l.numEdgeIndices8Bits)),l.numEdgeIndices16Bits>0&&(o.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),r.drawArrays(T,0,l.numEdgeIndices16Bits)),l.numEdgeIndices32Bits>0&&(o.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),r.drawArrays(T,0,l.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new De(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uPickInvisible=s.getLocation("pickInvisible"),this._uSceneModelWorldMatrix=s.getLocation("sceneModelWorldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc"),this.uVectorA=s.getLocation("uSnapVectorA"),this.uInverseVectorAB=s.getLocation("uSnapInvVectorAB"),this._uLayerNumber=s.getLocation("uLayerNumber"),this._uCoordinateScaler=s.getLocation("uCoordinateScaler")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("#version 300 es"),s.push("// Batched geometry edges drawing vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("precision highp usampler2D;"),s.push("precision highp isampler2D;"),s.push("precision highp sampler2D;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("precision mediump usampler2D;"),s.push("precision mediump isampler2D;"),s.push("precision mediump sampler2D;"),s.push("#endif"),s.push("uniform int renderPass;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("uniform mat4 sceneModelWorldMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),s.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),s.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),s.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),s.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),s.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),s.push("uniform highp sampler2D uTextureModelMatrices;"),s.push("uniform vec3 uCameraEyeRtc;"),s.push("uniform vec2 uSnapVectorA;"),s.push("uniform vec2 uSnapInvVectorAB;"),s.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),s.push("out float isPerspective;")),s.push("vec2 remapClipPos(vec2 clipPos) {"),s.push("    float x = (clipPos.x - uSnapVectorA.x) * uSnapInvVectorAB.x;"),s.push("    float y = (clipPos.y - uSnapVectorA.y) * uSnapInvVectorAB.y;"),s.push("    return vec2(x, y);"),s.push("}"),t&&(s.push("out vec4 vWorldPosition;"),s.push("flat out uint vFlags2;")),s.push("out vec4 vViewPosition;"),s.push("out highp vec3 relativeToOriginPosition;"),s.push("void main(void) {"),s.push("int edgeIndex = gl_VertexID / 2;"),s.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),s.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),s.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),s.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("{"),s.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),s.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),s.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),s.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),s.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),s.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),s.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),s.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),s.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),s.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),s.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),s.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),s.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),s.push("relativeToOriginPosition = worldPosition.xyz;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("  vFlags2 = flags2.r;")),s.push("vViewPosition = viewPosition;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),s.push("float tmp = clipPos.w;"),s.push("clipPos.xyzw /= tmp;"),s.push("clipPos.xy = remapClipPos(clipPos.xy);"),s.push("clipPos.xyzw *= tmp;"),s.push("vViewPosition = clipPos;"),e.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s.push("gl_Position = clipPos;"),s.push("gl_PointSize = 1.0;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// Triangles dataTexture pick depth fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform int uLayerNumber;"),n.push("uniform vec3 uCoordinateScaler;"),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uint vFlags2;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("in highp vec3 relativeToOriginPosition;"),n.push("out highp ivec4 outCoords;"),n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0u;"),n.push("  if (clippable) {"),n.push("      float dist = 0.0;");for(var i=0;i<t.sectionPlanes.length;i++)n.push("      if (sectionPlaneActive"+i+") {"),n.push("          dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),n.push("      }");n.push("      if (dist > 0.0) { discard; }"),n.push("  }")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, uLayerNumber);"),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Bu=p.vec3(),Ou=p.vec3(),Su=p.vec3(),Nu=p.vec3(),xu=p.vec3(),Lu=p.mat4();class Mu{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const n=t.model,i=n.scene,a=i.camera,r=i.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin,{position:u,rotationMatrix:h,rotationMatrixConjugate:A}=n,d=t.aabb,f=e.pickViewMatrix||a.viewMatrix,I=Bu;let y,m;I[0]=p.safeInv(d[3]-d[0])*p.MAX_INT,I[1]=p.safeInv(d[4]-d[1])*p.MAX_INT,I[2]=p.safeInv(d[5]-d[2])*p.MAX_INT,e.snapPickCoordinateScale[0]=p.safeInv(I[0]),e.snapPickCoordinateScale[1]=p.safeInv(I[1]),e.snapPickCoordinateScale[2]=p.safeInv(I[2]),o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);const v=0!==c[0]||0!==c[1]||0!==c[2],w=0!==u[0]||0!==u[1]||0!==u[2];if(v||w){const t=Ou;if(v){const e=Su;p.transformPoint3(h,c,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=u[0],t[1]+=u[1],t[2]+=u[2],y=O(f,t,Lu),m=Nu,m[0]=a.eye[0]-t[0],m[1]=a.eye[1]-t[1],m[2]=a.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else y=f,m=a.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;if(r.uniform3fv(this._uCameraEyeRtc,m),r.uniform2fv(this._uVectorA,e.snapVectorA),r.uniform2fv(this._uInverseVectorAB,e.snapInvVectorAB),r.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),r.uniform3fv(this._uCoordinateScaler,I),r.uniform1i(this._uRenderPass,s),r.uniform1i(this._uPickInvisible,e.pickInvisible),r.uniformMatrix4fv(this._uSceneWorldModelMatrix,!1,A),r.uniformMatrix4fv(this._uViewMatrix,!1,y),r.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix),i.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,t)}const g=i._sectionPlanesState.sectionPlanes.length;if(g>0){const e=i._sectionPlanesState.sectionPlanes,s=t.layerIndex*g,a=n.renderFlags;for(let t=0;t<g;t++){const n=this._uSectionPlanes[t];if(n){const i=a.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,i?1:0),i){const s=e[t];if(c){const e=L(s.dist,s.dir,c,xu);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}l.numIndices8Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),r.drawArrays(r.TRIANGLES,0,l.numIndices8Bits)),l.numIndices16Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),r.drawArrays(r.TRIANGLES,0,l.numIndices16Bits)),l.numIndices32Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),r.drawArrays(r.TRIANGLES,0,l.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new De(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uPickInvisible=s.getLocation("pickInvisible"),this._uSceneWorldModelMatrix=s.getLocation("sceneModelWorldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc"),this._uVectorA=s.getLocation("uVectorAB"),this._uInverseVectorAB=s.getLocation("uInverseVectorAB"),this._uLayerNumber=s.getLocation("uLayerNumber"),this._uCoordinateScaler=s.getLocation("uCoordinateScaler")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("#version 300 es"),s.push("// TrianglesDataTextureSnapDepthBufInitRenderer vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("precision highp usampler2D;"),s.push("precision highp isampler2D;"),s.push("precision highp sampler2D;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("precision mediump usampler2D;"),s.push("precision mediump isampler2D;"),s.push("precision mediump sampler2D;"),s.push("#endif"),s.push("uniform int renderPass;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("uniform mat4 sceneModelWorldMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),s.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),s.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),s.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),s.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),s.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),s.push("uniform highp sampler2D uTextureModelMatrices;"),s.push("uniform vec3 uCameraEyeRtc;"),s.push("uniform vec2 uVectorAB;"),s.push("uniform vec2 uInverseVectorAB;"),s.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("out float isPerspective;")),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),s.push("vec2 remapClipPos(vec2 clipPos) {"),s.push("    float x = (clipPos.x - uVectorAB.x) * uInverseVectorAB.x;"),s.push("    float y = (clipPos.y - uVectorAB.y) * uInverseVectorAB.y;"),s.push("    return vec2(x, y);"),s.push("}"),t&&(s.push("out vec4 vWorldPosition;"),s.push("flat out uint vFlags2;")),s.push("out highp vec3 relativeToOriginPosition;"),s.push("void main(void) {"),s.push("int polygonIndex = gl_VertexID / 3;"),s.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),s.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),s.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),s.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("{"),s.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),s.push("uvec4 color = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),s.push("if (color.a == 0u) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("};"),s.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),s.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),s.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),s.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),s.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),s.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),s.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),s.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),s.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),s.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),s.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),s.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),s.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),s.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),s.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),s.push("vec3 position;"),s.push("position = positions[gl_VertexID % 3];"),s.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),s.push("if (solid != 1u) {"),s.push("  if (isPerspectiveMatrix(projMatrix)) {"),s.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),s.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),s.push("          position = positions[2 - (gl_VertexID % 3)];"),s.push("          viewNormal = -viewNormal;"),s.push("      }"),s.push("  } else {"),s.push("      if (viewNormal.z < 0.0) {"),s.push("          position = positions[2 - (gl_VertexID % 3)];"),s.push("          viewNormal = -viewNormal;"),s.push("      }"),s.push("  }"),s.push("}"),s.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),s.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),s.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),s.push("relativeToOriginPosition = worldPosition.xyz;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags2 = flags2.r;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),s.push("float tmp = clipPos.w;"),s.push("clipPos.xyzw /= tmp;"),s.push("clipPos.xy = remapClipPos(clipPos.xy);"),s.push("clipPos.z += 0.0001;"),s.push("clipPos.xyzw *= tmp;"),e.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s.push("gl_Position = clipPos;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// TrianglesDataTextureSnapDepthBufInitRenderer fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform int uLayerNumber;"),n.push("uniform vec3 uCoordinateScaler;"),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uint vFlags2;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("in highp vec3 relativeToOriginPosition;"),n.push("out highp ivec4 outCoords;"),n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0u;"),n.push("  if (clippable) {"),n.push("      float dist = 0.0;");for(var i=0;i<t.sectionPlanes.length;i++)n.push("      if (sectionPlaneActive"+i+") {"),n.push("          dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),n.push("      }");n.push("      if (dist > 0.0) { discard; }"),n.push("  }")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, - uLayerNumber);"),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Fu=p.vec3();class Hu{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){const n=t.model,i=n.scene,a=i.camera,r=i.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin;this._program||this._allocate(t),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureCameraMatrices,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);let u=a.eye;e.pickViewMatrix&&(o.bindPickCameraTexture(this._program,this._uTextureCameraMatrices),u=e.pickOrigin||u);const h=[u[0]-c[0],u[1]-c[1],u[2]-c[2]];if(r.uniform3fv(this._uCameraEyeRtc,h),r.uniform1i(this._uRenderPass,s),r.uniform3fv(this._uCameraEyeRtc,h),r.uniform1i(this._uPickInvisible,e.pickInvisible),i.logarithmicDepthBufferEnabled){const e=2/(Math.log(a.project.far+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,e)}const p=i._sectionPlanesState.sectionPlanes.length;if(p>0){const e=i._sectionPlanesState.sectionPlanes,s=t.layerIndex*p,a=n.renderFlags;for(let t=0;t<p;t++){const n=this._uSectionPlanes[t];if(n){const i=a.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,i?1:0),i){const s=e[t];if(c){const e=L(s.dist,s.dir,c,Fu);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}l.numIndices8Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),r.drawArrays(r.TRIANGLES,0,l.numIndices8Bits)),l.numIndices16Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),r.drawArrays(r.TRIANGLES,0,l.numIndices16Bits)),l.numIndices32Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),r.drawArrays(r.TRIANGLES,0,l.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new De(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uPickInvisible=s.getLocation("pickInvisible"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureCameraMatrices="uTextureCameraMatrices",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("#version 300 es"),s.push("// Triangles dataTexture pick normals vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("precision highp usampler2D;"),s.push("precision highp isampler2D;"),s.push("precision highp sampler2D;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("precision mediump usampler2D;"),s.push("precision mediump isampler2D;"),s.push("precision mediump sampler2D;"),s.push("#endif"),s.push("uniform int renderPass;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("uniform bool pickInvisible;"),s.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),s.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),s.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),s.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),s.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),s.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),s.push("uniform highp sampler2D uTextureCameraMatrices;"),s.push("uniform highp sampler2D uTextureModelMatrices;"),s.push("uniform vec3 uCameraEyeRtc;"),s.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("out float isPerspective;")),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),t&&(s.push("out vec4 vWorldPosition;"),s.push("flat out uint vFlags2;")),s.push("out vec3 vWorldNormal;"),s.push("void main(void) {"),s.push("mat4 viewMatrix = mat4 (texelFetch (uTextureCameraMatrices, ivec2(0, 0), 0), texelFetch (uTextureCameraMatrices, ivec2(1, 0), 0), texelFetch (uTextureCameraMatrices, ivec2(2, 0), 0), texelFetch (uTextureCameraMatrices, ivec2(3, 0), 0));"),s.push("mat4 projMatrix = mat4 (texelFetch (uTextureCameraMatrices, ivec2(0, 2), 0), texelFetch (uTextureCameraMatrices, ivec2(1, 2), 0), texelFetch (uTextureCameraMatrices, ivec2(2, 2), 0), texelFetch (uTextureCameraMatrices, ivec2(3, 2), 0));"),s.push("mat4 worldMatrix = mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),s.push("int polygonIndex = gl_VertexID / 3;"),s.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),s.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),s.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),s.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("if (int(flags.w) != renderPass) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("} else {"),s.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),s.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),s.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),s.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),s.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),s.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),s.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),s.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),s.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),s.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),s.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),s.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),s.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),s.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),s.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),s.push("vec3 position;"),s.push("position = positions[gl_VertexID % 3];"),s.push("if (solid != 1u) {"),s.push("if (isPerspectiveMatrix(projMatrix)) {"),s.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),s.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),s.push("position = positions[2 - (gl_VertexID % 3)];"),s.push("normal = -normal;"),s.push("}"),s.push("} else {"),s.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),s.push("if (viewNormal.z < 0.0) {"),s.push("position = positions[2 - (gl_VertexID % 3)];"),s.push("normal = -normal;"),s.push("}"),s.push("}"),s.push("}"),s.push("normal = -normal;"),s.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),s.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),s.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),s.push("vec4 viewPosition = viewMatrix * worldPosition; "),s.push("vWorldNormal = normal.xyz;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags2 = flags2.w;")),s.push("gl_Position = clipPos;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// Triangles dataTexture pick normals fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uint vFlags2;");for(var i=0;i<t.sectionPlanes.length;i++)n.push("uniform bool sectionPlaneActive"+i+";"),n.push("uniform vec3 sectionPlanePos"+i+";"),n.push("uniform vec3 sectionPlaneDir"+i+";")}if(n.push("in vec3 vWorldNormal;"),n.push("out vec4 outNormal;"),n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0u;"),n.push("  if (clippable) {"),n.push("      float dist = 0.0;");for(i=0;i<t.sectionPlanes.length;i++)n.push("      if (sectionPlaneActive"+i+") {"),n.push("          dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),n.push("      }");n.push("      if (dist > 0.0) { discard; }"),n.push("  }")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("    outNormal = vec4((vWorldNormal * 0.5) + 0.5, 1.0);"),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}p.vec3(),p.vec3(),p.vec3(),p.vec3(),p.mat4();class Uu{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new De(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uWorldMatrix=s.getLocation("worldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._aPosition=s.getAttribute("position"),this._aOffset=s.getAttribute("offset"),this._aColor=s.getAttribute("color"),this._aFlags=s.getAttribute("flags"),this._aFlags2=s.getAttribute("flags2"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC"))}_bindProgram(){const e=this._scene,t=e.canvas.gl,s=e.camera.project;if(this._program.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,s.matrix),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("// TrianglesDataTextureColorRenderer vertex shader"),e.logarithmicDepthBufferEnabled&&Ae.SUPPORTED_EXTENSIONS.EXT_frag_depth&&s.push("#extension GL_EXT_frag_depth : enable"),s.push("uniform int renderPass;"),s.push("attribute vec3 position;"),e.entityOffsetsEnabled&&s.push("attribute vec3 offset;"),s.push("attribute vec4 color;"),s.push("attribute vec4 flags;"),s.push("attribute vec4 flags2;"),s.push("uniform mat4 worldMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform mat4 positionsDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),Ae.SUPPORTED_EXTENSIONS.EXT_frag_depth&&s.push("out float vFragDepth;"),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),s.push("out float isPerspective;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out vec4 vFlags2;")),s.push("void main(void) {"),s.push("if (int(flags.x) != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags2 = flags2;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(Ae.SUPPORTED_EXTENSIONS.EXT_frag_depth?s.push("vFragDepth = 1.0 + clipPos.w;"):(s.push("clipPos.z = log2( max( 1e-6, clipPos.w + 1.0 ) ) * logDepthBufFC - 1.0;"),s.push("clipPos.z *= clipPos.w;")),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s.push("gl_Position = clipPos;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("// TrianglesDataTextureColorRenderer fragment shader"),e.logarithmicDepthBufferEnabled&&Ae.SUPPORTED_EXTENSIONS.EXT_frag_depth&&n.push("#extension GL_EXT_frag_depth : enable"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&Ae.SUPPORTED_EXTENSIONS.EXT_frag_depth&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s){n.push("in vec4 vWorldPosition;"),n.push("in vec4 vFlags2;");for(let e=0;e<t.sectionPlanes.length;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("void main(void) {"),s){n.push("  bool clippable = (float(vFlags2.x) > 0.0);"),n.push("  if (clippable) {"),n.push("      float dist = 0.0;");for(let e=0;e<t.sectionPlanes.length;e++)n.push("      if (sectionPlaneActive"+e+") {"),n.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("      }");n.push("      if (dist > 0.0) { discard; }"),n.push("  }")}return e.logarithmicDepthBufferEnabled&&Ae.SUPPORTED_EXTENSIONS.EXT_frag_depth&&n.push("    gl_FragDepthEXT = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("   gl_FragColor = vec4(0.0, 0.0, 1.0, 1.0); "),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Gu=p.vec3(),Vu=p.vec3(),ju=p.vec3(),ku=p.vec3(),Qu=p.mat4();class Wu{constructor(e){this._scene=e,this._allocate(),this._hash=this._getHash()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){const n=this._scene,i=n.camera,a=t.model,r=n.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin,{position:u,rotationMatrix:h,rotationMatrixConjugate:A}=a;if(!this._program&&(this._allocate(),this.errors))return;let d,f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,l)),o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);const I=0!==c[0]||0!==c[1]||0!==c[2],y=0!==u[0]||0!==u[1]||0!==u[2];if(I||y){const e=Gu;if(I){const t=p.transformPoint3(h,c,Vu);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=u[0],e[1]+=u[1],e[2]+=u[2],d=O(i.viewMatrix,e,Qu),f=ju,f[0]=i.eye[0]-e[0],f[1]=i.eye[1]-e[1],f[2]=i.eye[2]-e[2]}else d=i.viewMatrix,f=i.eye;if(r.uniformMatrix4fv(this._uSceneModelWorldMatrix,!1,A),r.uniformMatrix4fv(this._uViewMatrix,!1,d),r.uniformMatrix4fv(this._uProjMatrix,!1,i.projMatrix),r.uniform3fv(this._uCameraEyeRtc,f),r.uniform1i(this._uRenderPass,s),n.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,t)}const m=n._sectionPlanesState.sectionPlanes.length;if(m>0){const e=n._sectionPlanesState.sectionPlanes,s=t.layerIndex*m,i=a.renderFlags;for(let t=0;t<m;t++){const n=this._uSectionPlanes[t];if(n){const a=i.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,a?1:0),a){const s=e[t];if(c){const e=L(s.dist,s.dir,c,ku);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}l.numIndices8Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),r.drawArrays(r.TRIANGLES,0,l.numIndices8Bits)),l.numIndices16Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),r.drawArrays(r.TRIANGLES,0,l.numIndices16Bits)),l.numIndices32Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),r.drawArrays(r.TRIANGLES,0,l.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new De(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uSceneModelWorldMatrix=s.getLocation("sceneModelWorldMatrix"),this._uWorldMatrix=s.getLocation("worldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,s=t.canvas.gl,n=this._program,i=t.camera.project;if(n.bind(),s.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(i.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState;e._lightsState;const s=t.sectionPlanes.length>0,n=[];return n.push("#version 300 es"),n.push("// Triangles dataTexture draw vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("precision highp usampler2D;"),n.push("precision highp isampler2D;"),n.push("precision highp sampler2D;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("precision mediump usampler2D;"),n.push("precision mediump isampler2D;"),n.push("precision mediump sampler2D;"),n.push("#endif"),n.push("uniform int renderPass;"),e.entityOffsetsEnabled&&n.push("in vec3 offset;"),n.push("uniform mat4 sceneModelWorldMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),n.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),n.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),n.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),n.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),n.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),n.push("uniform highp sampler2D uTextureModelMatrices;"),n.push("uniform vec3 uCameraEyeRtc;"),n.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("out float isPerspective;")),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out highp vec2 vHighPrecisionZW;"),s&&(n.push("out vec4 vWorldPosition;"),n.push("flat out uint vFlags2;")),n.push("void main(void) {"),n.push("int polygonIndex = gl_VertexID / 3;"),n.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),n.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),n.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),n.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),n.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),n.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),n.push("if (int(flags.x) != renderPass) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("} else {"),n.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),n.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),n.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),n.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),n.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),n.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),n.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),n.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),n.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),n.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),n.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),n.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),n.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),n.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),n.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),n.push("uvec4 color = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),n.push("if (color.a == 0u) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("};"),n.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),n.push("vec3 position;"),n.push("position = positions[gl_VertexID % 3];"),n.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),n.push("if (solid != 1u) {"),n.push("if (isPerspectiveMatrix(projMatrix)) {"),n.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),n.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),n.push("position = positions[2 - (gl_VertexID % 3)];"),n.push("viewNormal = -viewNormal;"),n.push("}"),n.push("} else {"),n.push("if (viewNormal.z < 0.0) {"),n.push("position = positions[2 - (gl_VertexID % 3)];"),n.push("viewNormal = -viewNormal;"),n.push("}"),n.push("}"),n.push("}"),n.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),n.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),n.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),n.push("vec4 viewPosition = viewMatrix * worldPosition; "),n.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(n.push("vWorldPosition = worldPosition;"),n.push("vFlags2 = flags2.r;")),n.push("gl_Position = clipPos;"),n.push("vHighPrecisionZW = gl_Position.zw;"),n.push("}"),n.push("}"),n}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// Triangles dataTexture draw fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),n.push("in highp vec2 vHighPrecisionZW;"),n.push("out vec4 outColor;"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uint vFlags2;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0u;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { "),n.push("      discard;"),n.push("  }"),n.push("}")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),n.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const zu=p.vec3(),Ku=p.vec3(),Yu=p.vec3(),Xu=p.vec3(),qu=p.mat4();class Ju{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){const n=t.model,i=n.scene,a=i.camera,r=i.canvas.gl,l=t._state,o=t._state.origin,{position:c,rotationMatrix:u,rotationMatrixConjugate:h}=n,A=a.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let d,f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(t));const I=0!==o[0]||0!==o[1]||0!==o[2],y=0!==c[0]||0!==c[1]||0!==c[2];if(I||y){const e=zu;if(I){const t=Ku;p.transformPoint3(u,o,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=c[0],e[1]+=c[1],e[2]+=c[2],d=O(A,e,qu),f=Yu,f[0]=a.eye[0]-e[0],f[1]=a.eye[1]-e[1],f[2]=a.eye[2]-e[2]}else d=A,f=a.eye;r.uniform1i(this._uRenderPass,s),r.uniformMatrix4fv(this._uWorldMatrix,!1,h),r.uniformMatrix4fv(this._uViewMatrix,!1,d),r.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix),r.uniformMatrix4fv(this._uViewNormalMatrix,!1,a.viewNormalMatrix),r.uniformMatrix4fv(this._uWorldNormalMatrix,!1,n.worldNormalMatrix);const m=i._sectionPlanesState.sectionPlanes.length;if(m>0){const e=i._sectionPlanesState.sectionPlanes,s=t.layerIndex*m,a=n.renderFlags;for(let t=0;t<m;t++){const n=this._uSectionPlanes[t];if(n){const i=a.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,i?1:0),i){const s=e[t];if(o){const e=L(s.dist,s.dir,o,Xu);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}r.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,t._state.positionsDecodeMatrix),this._aPosition.bindArrayBuffer(l.positionsBuf),this._aOffset.bindArrayBuffer(l.offsetsBuf),this._aNormal.bindArrayBuffer(l.normalsBuf),this._aColor.bindArrayBuffer(l.colorsBuf),this._aFlags.bindArrayBuffer(l.flagsBuf),this._aFlags2&&this._aFlags2.bindArrayBuffer(l.flags2Buf),l.indicesBuf.bind(),r.drawElements(r.TRIANGLES,l.indicesBuf.numItems,l.indicesBuf.itemType,0)}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new De(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uWorldMatrix=s.getLocation("worldMatrix"),this._uWorldNormalMatrix=s.getLocation("worldNormalMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uViewNormalMatrix=s.getLocation("viewNormalMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._aPosition=s.getAttribute("position"),this._aOffset=s.getAttribute("offset"),this._aNormal=s.getAttribute("normal"),this._aColor=s.getAttribute("color"),this._aFlags=s.getAttribute("flags"),this._aFlags2&&(this._aFlags2=s.getAttribute("flags2")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC"))}_bindProgram(){const e=this._scene,t=e.canvas.gl,s=e.camera.project;if(this._program.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,s.matrix),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("// Batched geometry normals vertex shader"),e.logarithmicDepthBufferEnabled&&Ae.SUPPORTED_EXTENSIONS.EXT_frag_depth&&s.push("#extension GL_EXT_frag_depth : enable"),s.push("uniform int renderPass;"),s.push("attribute vec3 position;"),e.entityOffsetsEnabled&&s.push("attribute vec3 offset;"),s.push("attribute vec3 normal;"),s.push("attribute vec4 color;"),s.push("attribute vec4 flags;"),s.push("attribute vec4 flags2;"),s.push("uniform mat4 worldMatrix;"),s.push("uniform mat4 worldNormalMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform mat4 viewNormalMatrix;"),s.push("uniform mat4 positionsDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),Ae.SUPPORTED_EXTENSIONS.EXT_frag_depth&&s.push("out float vFragDepth;"),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),s.push("varying float isPerspective;")),s.push("vec3 octDecode(vec2 oct) {"),s.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),s.push("    if (v.z < 0.0) {"),s.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),s.push("    }"),s.push("    return normalize(v);"),s.push("}"),t&&(s.push("out vec4 vWorldPosition;"),s.push("out vec4 vFlags2;")),s.push("out vec3 vViewNormal;"),s.push("void main(void) {"),s.push("if (int(flags.x) != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),s.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),s.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(s.push("      vWorldPosition  = worldPosition;"),s.push("      vFlags2         = flags2;")),s.push("      vViewNormal = viewNormal;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(Ae.SUPPORTED_EXTENSIONS.EXT_frag_depth?s.push("vFragDepth = 1.0 + clipPos.w;"):(s.push("clipPos.z = log2( max( 1e-6, clipPos.w + 1.0 ) ) * logDepthBufFC - 1.0;"),s.push("clipPos.z *= clipPos.w;")),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s.push("gl_Position = clipPos;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("// Batched geometry normals fragment shader"),e.logarithmicDepthBufferEnabled&&Ae.SUPPORTED_EXTENSIONS.EXT_frag_depth&&n.push("#extension GL_EXT_frag_depth : enable"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&Ae.SUPPORTED_EXTENSIONS.EXT_frag_depth&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s){n.push("in vec4 vWorldPosition;"),n.push("in vec4 vFlags2;");for(let e=0;e<t.sectionPlanes.length;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("in vec3 vViewNormal;"),n.push("vec3 packNormalToRGB( const in vec3 normal ) {"),n.push("    return normalize( normal ) * 0.5 + 0.5;"),n.push("}"),n.push("void main(void) {"),s){n.push("  bool clippable = (float(vFlags2.x) > 0.0);"),n.push("  if (clippable) {"),n.push("      float dist = 0.0;");for(var i=0;i<t.sectionPlanes.length;i++)n.push("      if (sectionPlaneActive"+i+") {"),n.push("          dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),n.push("      }");n.push("      if (dist > 0.0) { discard; }"),n.push("  }")}return e.logarithmicDepthBufferEnabled&&Ae.SUPPORTED_EXTENSIONS.EXT_frag_depth&&n.push("    gl_FragDepthEXT = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("    gl_FragColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Zu=p.vec3();class $u{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){const n=t.model,i=n.scene,a=i.camera,r=i.canvas.gl,l=t._state,o=t._state.origin;this._program||this._allocate(t),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),this._program.bindTexture(this._uTexturePerObjectIdPositionsDecodeMatrix,{bind:function(e){return r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,l.texturePerObjectIdPositionsDecodeMatrix),!0},unbind:function(e){r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,null)}},1),this._program.bindTexture(this._uTexturePerVertexIdCoordinates,{bind:function(e){return r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,l.texturePerVertexIdCoordinates),!0},unbind:function(e){r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,null)}},2),this._program.bindTexture(this._uTexturePerObjectIdColorsAndFlags,{bind:function(e){return r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,l.texturePerObjectIdColorsAndFlags),!0},unbind:function(e){r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,null)}},3),r.uniform1i(this._uRenderPass,s),r.uniform1i(this._uPickInvisible,e.pickInvisible),r.uniformMatrix4fv(this._uWorldMatrix,!1,n.worldMatrix);const c=e.pickViewMatrix||a.viewMatrix,u=o?O(c,o):c;if(r.uniformMatrix4fv(this._uViewMatrix,!1,u),r.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),i.logarithmicDepthBufferEnabled){const e=2/(Math.log(a.project.far+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,e)}const h=i._sectionPlanesState.sectionPlanes.length;if(h>0){const e=i._sectionPlanesState.sectionPlanes,s=t.layerIndex*h,a=n.renderFlags;for(let t=0;t<h;t++){const n=this._uSectionPlanes[t],i=a.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,i?1:0),i){const s=e[t];if(o){const e=L(s.dist,s.dir,o,Zu);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}l.numIndices8Bits>0&&(this._program.bindTexture(this._uTexturePerPolygonIdPortionIds,{bind:function(e){return r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,l.texturePerPolygonIdPortionIds8Bits),!0},unbind:function(e){r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,null)}},4),this._program.bindTexture(this._uTexturePerPolygonIdIndices,{bind:function(e){return r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,l.texturePerPolygonIdIndices8Bits),!0},unbind:function(e){r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,null)}},5),r.drawArrays(r.TRIANGLES,0,l.numIndices8Bits)),l.numIndices16Bits>0&&(this._program.bindTexture(this._uTexturePerPolygonIdPortionIds,{bind:function(e){return r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,l.texturePerPolygonIdPortionIds16Bits),!0},unbind:function(e){r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,null)}},4),this._program.bindTexture(this._uTexturePerPolygonIdIndices,{bind:function(e){return r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,l.texturePerPolygonIdIndices16Bits),!0},unbind:function(e){r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,null)}},5),r.drawArrays(r.TRIANGLES,0,l.numIndices16Bits)),l.numIndices32Bits>0&&(this._program.bindTexture(this._uTexturePerPolygonIdPortionIds,{bind:function(e){return r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,l.texturePerPolygonIdPortionIds32Bits),!0},unbind:function(e){r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,null)}},4),this._program.bindTexture(this._uTexturePerPolygonIdIndices,{bind:function(e){return r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,l.texturePerPolygonIdIndices32Bits),!0},unbind:function(e){r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,null)}},5),r.drawArrays(r.TRIANGLES,0,l.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new De(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uPickInvisible=s.getLocation("pickInvisible"),this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uWorldMatrix=s.getLocation("worldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._aPackedVertexId=s.getAttribute("packedVertexId"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds"}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("#version 300 es"),s.push("// Triangles dataTexture pick flat normals vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("precision highp usampler2D;"),s.push("precision highp isampler2D;"),s.push("precision highp sampler2D;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("precision mediump usampler2D;"),s.push("precision mediump isampler2D;"),s.push("precision mediump sampler2D;"),s.push("#endif"),s.push("uniform int renderPass;"),s.push("in uvec3 packedVertexId;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("uniform bool pickInvisible;"),s.push("uniform mat4 worldMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),s.push("uniform usampler2D uTexturePerObjectIdColorsAndFlags;"),s.push("uniform usampler2D uTexturePerVertexIdCoordinates;"),s.push("uniform usampler2D uTexturePerPolygonIdIndices;"),s.push("uniform isampler2D uTexturePerPolygonIdNormals;"),s.push("uniform usampler2D uTexturePerPolygonIdPortionIds;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),s.push("out float isPerspective;")),s.push("out vec4 vWorldPosition;"),t&&s.push("out int vFlags2;"),s.push("void main(void) {"),s.push("int polygonIndex = gl_VertexID / 3;"),s.push("int h_normal_index = polygonIndex & 4095;"),s.push("int v_normal_index = polygonIndex >> 12;"),s.push("int h_packed_object_id_index = ((polygonIndex >> 3) / 2) & 4095;"),s.push("int v_packed_object_id_index = ((polygonIndex >> 3) / 2) >> 12;"),s.push("ivec3 packedObjectId = ivec3(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).rgb);"),s.push("int objectIndex;"),s.push("if (((polygonIndex >> 3) % 2) == 0) {"),s.push("  objectIndex = (packedObjectId.r << 4) + (packedObjectId.g >> 4);"),s.push("} else {"),s.push("  objectIndex = ((packedObjectId.g & 15) << 8) + packedObjectId.b;"),s.push("}"),s.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),s.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),s.push("int h_index = polygonIndex & 4095;"),s.push("int v_index = polygonIndex >> 12;"),s.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),s.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),s.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),s.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),s.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("vec3 position1 = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),s.push("vec3 position2 = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),s.push("vec3 position3 = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),s.push("vec3 normal = normalize(cross(position3 - position1, position2 - position1));"),s.push("int vertexNumber = gl_VertexID % 3;"),s.push("vec3 position;"),s.push("if (vertexNumber == 0) position = position1;"),s.push("else if (vertexNumber == 1) position = position2;"),s.push("else position = position3;"),s.push("if (int(flags.w) != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("      vWorldPosition = worldPosition;"),t&&s.push("      vFlags2 = flags2.r;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s.push("gl_Position = clipPos;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// Triangles dataTexture pick flat normals fragment shader"),n.push("#extension GL_OES_standard_derivatives : enable"),e.logarithmicDepthBufferEnabled&&n.push("#extension GL_EXT_frag_depth : enable"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("in vec4 vWorldPosition;"),s){n.push("in int vFlags2;");for(var i=0;i<t.sectionPlanes.length;i++)n.push("uniform bool sectionPlaneActive"+i+";"),n.push("uniform vec3 sectionPlanePos"+i+";"),n.push("uniform vec3 sectionPlaneDir"+i+";")}if(n.push("out vec4 outNormal;"),n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0;"),n.push("  if (clippable) {"),n.push("      float dist = 0.0;");for(i=0;i<t.sectionPlanes.length;i++)n.push("      if (sectionPlaneActive"+i+") {"),n.push("          dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),n.push("      }");n.push("      if (dist > 0.0) { discard; }"),n.push("  }")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),n.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),n.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),n.push("  outNormal = vec4((worldNormal * 0.5) + 0.5, 1.0);"),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class eh{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorQualityRendererWithSAO&&!this._colorQualityRendererWithSAO.getValid()&&(this._colorQualityRendererWithSAO.destroy(),this._colorQualityRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._vertexDepthRenderer&&!this._vertexDepthRenderer.getValid()&&(this._vertexDepthRenderer.destroy(),this._vertexDepthRenderer=null),this._snapDepthBufInitRenderer&&!this._snapDepthBufInitRenderer.getValid()&&(this._snapDepthBufInitRenderer.destroy(),this._snapDepthBufInitRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new Kc(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new Kc(this._scene,!0)),this._colorRendererWithSAO}get colorQualityRendererWithSAO(){return this._colorQualityRendererWithSAO||(this._colorQualityRendererWithSAO=new TrianglesDataTextureColorQualityRenderer(this._scene,!0)),this._colorQualityRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new eu(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new Wu(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new Ju(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new ru(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new hu(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Iu(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new Hu(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new $u(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new Tu(this._scene)),this._pickDepthRenderer}get vertexDepthRenderer(){return this._vertexDepthRenderer||(this._vertexDepthRenderer=new _u(this._scene)),this._vertexDepthRenderer}get snapDepthBufInitRenderer(){return this._snapDepthBufInitRenderer||(this._snapDepthBufInitRenderer=new Mu(this._scene)),this._snapDepthBufInitRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new Uu(this._scene)),this._occlusionRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorQualityRendererWithSAO&&this._colorQualityRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._vertexDepthRenderer&&this._vertexDepthRenderer.destroy(),this._snapDepthBufInitRenderer&&this._snapDepthBufInitRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy()}}const th={};class sh{constructor(){this.positionsCompressed=[],this.metallicRoughness=[],this.indices8Bits=[],this.indices16Bits=[],this.indices32Bits=[],this.edgeIndices8Bits=[],this.edgeIndices16Bits=[],this.edgeIndices32Bits=[],this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perObjectEdgeIndexBaseOffsets=[],this.perTriangleNumberPortionId8Bits=[],this.perTriangleNumberPortionId16Bits=[],this.perTriangleNumberPortionId32Bits=[],this.perEdgeNumberPortionId8Bits=[],this.perEdgeNumberPortionId16Bits=[],this.perEdgeNumberPortionId32Bits=[]}}class nh{constructor(){this.texturePerObjectIdColorsAndFlags=null,this.texturePerObjectIdOffsets=null,this.texturePerObjectIdPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerPolygonIdPortionIds8Bits=null,this.texturePerPolygonIdPortionIds16Bits=null,this.texturePerPolygonIdPortionIds32Bits=null,this.texturePerEdgeIdPortionIds8Bits=null,this.texturePerEdgeIdPortionIds16Bits=null,this.texturePerEdgeIdPortionIds32Bits=null,this.texturePerPolygonIdIndices8Bits=null,this.texturePerPolygonIdIndices16Bits=null,this.texturePerPolygonIdIndices32Bits=null,this.texturePerPolygonIdEdgeIndices8Bits=null,this.texturePerPolygonIdEdgeIndices16Bits=null,this.texturePerPolygonIdEdgeIndices32Bits=null,this.textureModelMatrices=null}finalize(){this.indicesPerBitnessTextures={8:this.texturePerPolygonIdIndices8Bits,16:this.texturePerPolygonIdIndices16Bits,32:this.texturePerPolygonIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerPolygonIdPortionIds8Bits,16:this.texturePerPolygonIdPortionIds16Bits,32:this.texturePerPolygonIdPortionIds32Bits},this.edgeIndicesPerBitnessTextures={8:this.texturePerPolygonIdEdgeIndices8Bits,16:this.texturePerPolygonIdEdgeIndices16Bits,32:this.texturePerPolygonIdEdgeIndices32Bits},this.edgeIndicesPortionIdsPerBitnessTextures={8:this.texturePerEdgeIdPortionIds8Bits,16:this.texturePerEdgeIdPortionIds16Bits,32:this.texturePerEdgeIdPortionIds32Bits}}bindCommonTextures(e,t,s,n,i,a){this.texturePerObjectIdPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,s,2),this.texturePerObjectIdColorsAndFlags.bindTexture(e,n,3),this.textureModelMatrices.bindTexture(e,i,4),this.texturePerObjectIdOffsets.bindTexture(e,a,5)}bindPickCameraTexture(e,t){}bindTriangleIndicesTextures(e,t,s,n){this.indicesPortionIdsPerBitnessTextures[n].bindTexture(e,t,6),this.indicesPerBitnessTextures[n].bindTexture(e,s,7)}bindEdgeIndicesTextures(e,t,s,n){this.edgeIndicesPortionIdsPerBitnessTextures[n].bindTexture(e,t,6),this.edgeIndicesPerBitnessTextures[n].bindTexture(e,s,7)}}class ih{constructor(e,t,s,n,i=null){this._gl=e,this._texture=t,this._textureWidth=s,this._textureHeight=n,this._textureData=i}bindTexture(e,t,s){return e.bindTexture(t,this,s)}bind(e){return this._gl.activeTexture(this._gl["TEXTURE"+e]),this._gl.bindTexture(this._gl.TEXTURE_2D,this._texture),!0}unbind(e){}}const ah={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTextureEdgeIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalPolygons:0,totalPolygons8Bits:0,totalPolygons16Bits:0,totalPolygons32Bits:0,totalEdges:0,totalEdges8Bits:0,totalEdges16Bits:0,totalEdges32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(ah,null,4));let e=0;Object.keys(ah).forEach((t=>{t.startsWith("size")&&(e+=ah[t])})),console.log(`Total size ${e} bytes (${(e/1e3/1e3).toFixed(2)} MB)`),console.log(`Avg bytes / triangle: ${(e/ah.totalPolygons).toFixed(2)}`);let t={};Object.keys(ah).forEach((s=>{s.startsWith("size")&&(t[s]=`${(ah[s]/e*100).toFixed(2)} % of total`)})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};class rh{disableBindedTextureFiltering(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}generateCameraDataTexture(e,t,s,n){const i=e.createTexture();e.bindTexture(e.TEXTURE_2D,i),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,4,3),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null);const a=new ih(e,i,4,3);let r=!0;a.updateViewMatrix=(s,i)=>{e.bindTexture(e.TEXTURE_2D,a._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,4,1,e.RGBA,e.FLOAT,new Float32Array(n?O(s,n):s)),e.texSubImage2D(e.TEXTURE_2D,0,0,1,4,1,e.RGBA,e.FLOAT,new Float32Array(t.viewNormalMatrix)),e.texSubImage2D(e.TEXTURE_2D,0,0,2,4,1,e.RGBA,e.FLOAT,new Float32Array(i))};const l=()=>{r&&(r=!1,a.updateViewMatrix(t.viewMatrix,t.project.matrix))};return t.on("matrix",(()=>r=!0)),s.on("rendering",l),l(),a}generatePickCameraDataTexture(e,t,s){const n=e.createTexture();e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,4,3),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null);const i=new ih(e,n,4,3);return i.updateViewMatrix=(n,a)=>{e.bindTexture(e.TEXTURE_2D,i._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,4,1,e.RGBA,e.FLOAT,new Float32Array(s?O(n,s):n)),e.texSubImage2D(e.TEXTURE_2D,0,0,1,4,1,e.RGBA,e.FLOAT,new Float32Array(t.viewNormalMatrix)),e.texSubImage2D(e.TEXTURE_2D,0,0,2,4,1,e.RGBA,e.FLOAT,new Float32Array(a))},i}generateModelTexture(e,t){const s=e.createTexture();return e.bindTexture(e.TEXTURE_2D,s),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,4,2),e.texSubImage2D(e.TEXTURE_2D,0,0,0,4,1,e.RGBA,e.FLOAT,new Float32Array(t.worldMatrix)),e.texSubImage2D(e.TEXTURE_2D,0,0,1,4,1,e.RGBA,e.FLOAT,new Float32Array(t.worldNormalMatrix)),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new ih(e,s,4,2)}generateTextureForColorsAndFlags(e,t,s,n,i,a,r){const l=t.length;this.numPortions=l;const o=4096,c=Math.ceil(l/512);if(0===c)throw"texture height===0";const u=new Uint8Array(16384*c);ah.sizeDataColorsAndFlags+=u.byteLength,ah.numberOfTextures++;for(let e=0;e<l;e++)u.set(t[e],32*e+0),u.set(s[e],32*e+4),u.set([0,0,0,0],32*e+8),u.set([0,0,0,0],32*e+12),u.set([n[e]>>24&255,n[e]>>16&255,n[e]>>8&255,255&n[e]],32*e+16),u.set([i[e]>>24&255,i[e]>>16&255,i[e]>>8&255,255&i[e]],32*e+20),u.set([a[e]>>24&255,a[e]>>16&255,a[e]>>8&255,255&a[e]],32*e+24),u.set([r[e]?1:0,0,0,0],32*e+28);const h=e.createTexture();return e.bindTexture(e.TEXTURE_2D,h),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,o,c),e.texSubImage2D(e.TEXTURE_2D,0,0,0,o,c,e.RGBA_INTEGER,e.UNSIGNED_BYTE,u,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new ih(e,h,o,c,u)}generateTextureForObjectOffsets(e,t){const s=512,n=Math.ceil(t/s);if(0===n)throw"texture height===0";const i=new Float32Array(1536*n).fill(0);ah.sizeDataTextureOffsets+=i.byteLength,ah.numberOfTextures++;const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RGB,e.FLOAT,i,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new ih(e,a,s,n,i)}generateTextureForPositionsDecodeMatrices(e,t,s){const n=t.length;if(0===n)throw"num decode+entity matrices===0";const i=2048,a=Math.ceil(n/512),r=new Float32Array(8192*a);ah.sizeDataPositionDecodeMatrices+=r.byteLength,ah.numberOfTextures++;const l=p.mat4();for(let e=0;e<t.length;e++)r.set(p.mulMat4(s[e],t[e],l),16*e);const o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,i,a),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,a,e.RGBA,e.FLOAT,r,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new ih(e,o,i,a)}generateTextureFor8BitIndices(e,t){if(0===t.length)return{texture:null,textureHeight:0};const s=4096,n=Math.ceil(t.length/3/s);if(0===n)throw"texture height===0";const i=new Uint8Array(s*n*3);ah.sizeDataTextureIndices+=i.byteLength,ah.numberOfTextures++,i.fill(0),i.set(t,0);const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RGB_INTEGER,e.UNSIGNED_BYTE,i,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new ih(e,a,s,n)}generateTextureFor16BitIndices(e,t){if(0===t.length)return{texture:null,textureHeight:0};const s=4096,n=Math.ceil(t.length/3/s);if(0===n)throw"texture height===0";const i=new Uint16Array(s*n*3);ah.sizeDataTextureIndices+=i.byteLength,ah.numberOfTextures++,i.fill(0),i.set(t,0);const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RGB_INTEGER,e.UNSIGNED_SHORT,i,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new ih(e,a,s,n)}generateTextureFor32BitIndices(e,t){if(0===t.length)return{texture:null,textureHeight:0};const s=4096,n=Math.ceil(t.length/3/s);if(0===n)throw"texture height===0";const i=new Uint32Array(s*n*3);ah.sizeDataTextureIndices+=i.byteLength,ah.numberOfTextures++,i.fill(0),i.set(t,0);const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RGB_INTEGER,e.UNSIGNED_INT,i,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new ih(e,a,s,n)}generateTextureFor8BitsEdgeIndices(e,t){if(0===t.length)return{texture:null,textureHeight:0};const s=4096,n=Math.ceil(t.length/2/s);if(0===n)throw"texture height===0";const i=new Uint8Array(s*n*2);ah.sizeDataTextureEdgeIndices+=i.byteLength,ah.numberOfTextures++,i.fill(0),i.set(t,0);const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RG8UI,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RG_INTEGER,e.UNSIGNED_BYTE,i,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new ih(e,a,s,n)}generateTextureFor16BitsEdgeIndices(e,t){if(0===t.length)return{texture:null,textureHeight:0};const s=4096,n=Math.ceil(t.length/2/s);if(0===n)throw"texture height===0";const i=new Uint16Array(s*n*2);ah.sizeDataTextureEdgeIndices+=i.byteLength,ah.numberOfTextures++,i.fill(0),i.set(t,0);const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RG16UI,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RG_INTEGER,e.UNSIGNED_SHORT,i,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new ih(e,a,s,n)}generateTextureFor32BitsEdgeIndices(e,t){if(0===t.length)return{texture:null,textureHeight:0};const s=4096,n=Math.ceil(t.length/2/s);if(0===n)throw"texture height===0";const i=new Uint32Array(s*n*2);ah.sizeDataTextureEdgeIndices+=i.byteLength,ah.numberOfTextures++,i.fill(0),i.set(t,0);const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RG32UI,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RG_INTEGER,e.UNSIGNED_INT,i,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new ih(e,a,s,n)}generateTextureForPositions(e,t){const s=t.length/3,n=4096,i=Math.ceil(s/n);if(0===i)throw"texture height===0";const a=new Uint16Array(n*i*3);ah.sizeDataTexturePositions+=a.byteLength,ah.numberOfTextures++,a.fill(0),a.set(t,0);const r=e.createTexture();return e.bindTexture(e.TEXTURE_2D,r),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,n,i),e.texSubImage2D(e.TEXTURE_2D,0,0,0,n,i,e.RGB_INTEGER,e.UNSIGNED_SHORT,a,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new ih(e,r,n,i)}generateTextureForPackedPortionIds(e,t){if(0===t.length)return{texture:null,textureHeight:0};const s=t.length,n=4096,i=Math.ceil(s/n);if(0===i)throw"texture height===0";const a=new Uint16Array(n*i);a.set(t,0),ah.sizeDataTexturePortionIds+=a.byteLength,ah.numberOfTextures++;const r=e.createTexture();return e.bindTexture(e.TEXTURE_2D,r),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,n,i),e.texSubImage2D(e.TEXTURE_2D,0,0,0,n,i,e.RED_INTEGER,e.UNSIGNED_SHORT,a,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new ih(e,r,n,i)}}const lh=p.vec4([0,0,0,1]),oh=p.vec4([0,0,0,1]),ch=p.vec4([0,0,0,1]),uh=new Uint8Array(4),hh=new Float32Array(3),ph=p.AABB3();let Ah=0;const dh=p.identityMat4();class fh{constructor(e,t){ah.numberOfLayers++,this._layerNumber=Ah++,this.sortId=`TriDTX-${this._layerNumber}`,this.layerIndex=t.layerIndex,this._dataTextureRenderers=function(e){const t=e.id;let s=th[t];return s||(s=new eh(e),th[t]=s,s._compile(),e.on("compile",(()=>{s._compile()})),e.on("destroyed",(()=>{delete th[t],s._destroy()}))),s}(e.scene),this.model=e,this._buffer=new sh,this._dataTextureState=new nh,this._dataTextureGenerator=new rh,this._state=new ze({origin:p.vec3(t.origin),metallicRoughnessBuf:null,positionsDecodeMatrix:p.mat4(),textureState:this._dataTextureState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numEdgeIndices8Bits:0,numEdgeIndices16Bits:0,numEdgeIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this._portionToSubPortionsMap=[],this._bucketGeometries={},this.aabb=p.collapseAABB3(),this._numUpdatesInFrame=0,this._finalized=!1}canCreatePortion(e){if(this._finalized)throw"Already finalized";const t=e.buckets.length;this._numPortions+t>65536&&ah.cannotCreatePortion.because10BitsObjectId++;let s=this._numPortions+t<=65536;const n=void 0!==e.geometryId&&null!==e.geometryId?`${e.geometryId}#0`:`${e.id}#0`;if(!this._bucketGeometries[n]){const t=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits);let n=0,i=0;e.buckets.forEach((e=>{n+=e.positionsCompressed.length/3,i+=e.indices.length/3})),(this._state.numVertices+n>16777216||t+i>16777216)&&ah.cannotCreatePortion.becauseTextureSize++,s&&=this._state.numVertices+n<=16777216&&t+i<=16777216}return s}createPortion(e){if(this._finalized)throw"Already finalized";const t=[],s=e.worldAABB;e.buckets.forEach(((n,i)=>{const a=void 0!==e.geometryId&&null!==e.geometryId?`${e.geometryId}#${i}`:`${e.id}#${i}`;let r=this._bucketGeometries[a];r||(r=this._createBucketGeometry(e,n),this._bucketGeometries[a]=r);const l=p.collapseAABB3(ph),o=this._createSubPortion(e,r,n,l);p.expandAABB3(s,l),t.push(o)}));const n=this._state.origin;0===n[0]&&0===n[1]&&0===n[2]||(s[0]+=n[0],s[1]+=n[1],s[2]+=n[2],s[3]+=n[0],s[4]+=n[1],s[5]+=n[2]),p.expandAABB3(this.aabb,s);const i=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(t),this.model.numPortions++,i}_createBucketGeometry(e,t){if(t.indices){const e=8*Math.ceil(t.indices.length/3/8)*3;ah.overheadSizeAlignementIndices+=2*(e-t.indices.length);const s=new Uint32Array(e);s.fill(0),s.set(t.indices),t.indices=s}if(t.edgeIndices){const e=8*Math.ceil(t.edgeIndices.length/2/8)*2;ah.overheadSizeAlignementEdgeIndices+=2*(e-t.edgeIndices.length);const s=new Uint32Array(e);s.fill(0),s.set(t.edgeIndices),t.edgeIndices=s}const s=t.positionsCompressed,n=t.indices,i=t.edgeIndices,a=this._buffer,r=a.positionsCompressed.length/3,l=s.length/3;for(let e=0,t=s.length;e<t;e++)a.positionsCompressed.push(s[e]);let o,c,u=0;if(n){let e;u=n.length/3,e=l<=256?a.indices8Bits:l<=65536?a.indices16Bits:a.indices32Bits,o=e.length/3;for(let t=0,s=n.length;t<s;t++)e.push(n[t])}let h=0;if(i){let e;h=i.length/2,e=l<=256?a.edgeIndices8Bits:l<=65536?a.edgeIndices16Bits:a.edgeIndices32Bits,c=e.length/2;for(let t=0,s=i.length;t<s;t++)e.push(i[t])}this._state.numVertices+=l,ah.numberOfGeometries++;const A=p.collapseAABB3();p.expandAABB3Points3(A,t.positionsCompressed),Dt.decompressAABB(A,e.positionsDecodeMatrix);return{vertexBase:r,numVertices:l,numTriangles:u,numEdges:h,indicesBase:o,edgeIndicesBase:c,aabb:A,obb:null}}_createSubPortion(e,t,s,n){const i=e.color;e.metallic,e.roughness;const a=e.colors,r=e.opacity,l=e.meshMatrix,o=e.sceneModelMatrix,c=e.pickColor,u=this._buffer,h=this._state;if(u.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),u.perObjectInstancePositioningMatrices.push(l||dh),l||o){t.obb||(t.obb=p.AABB3ToOBB3(t.aabb));const e=t.obb;for(let t=0,s=e.length;t<s;t+=4)lh[0]=e[t+0],lh[1]=e[t+1],lh[2]=e[t+2],lh[3]=1,l&&p.transformPoint4(l,lh,oh),o?(p.transformPoint4(o,oh,ch),p.expandAABB3Point3(n,ch)):p.expandAABB3Point3(n,oh)}else p.expandAABB3(n,t.aabb);u.perObjectSolid.push(!!e.solid),a?u.perObjectColors.push([255*a[0],255*a[1],255*a[2],255]):i&&u.perObjectColors.push([i[0],i[1],i[2],r]),u.perObjectPickColors.push(c),u.perObjectVertexBases.push(t.vertexBase);{let e;e=t.numVertices<=256?h.numIndices8Bits:t.numVertices<=65536?h.numIndices16Bits:h.numIndices32Bits,u.perObjectIndexBaseOffsets.push(e/3-t.indicesBase)}{let e;e=t.numVertices<=256?h.numEdgeIndices8Bits:t.numVertices<=65536?h.numEdgeIndices16Bits:h.numEdgeIndices32Bits,u.perObjectEdgeIndexBaseOffsets.push(e/2-t.edgeIndicesBase)}const A=this._subPortions.length;if(t.numTriangles>0){let e,s=3*t.numTriangles;t.numVertices<=256?(e=u.perTriangleNumberPortionId8Bits,h.numIndices8Bits+=s,ah.totalPolygons8Bits+=t.numTriangles):t.numVertices<=65536?(e=u.perTriangleNumberPortionId16Bits,h.numIndices16Bits+=s,ah.totalPolygons16Bits+=t.numTriangles):(e=u.perTriangleNumberPortionId32Bits,h.numIndices32Bits+=s,ah.totalPolygons32Bits+=t.numTriangles),ah.totalPolygons+=t.numTriangles;for(let s=0;s<t.numTriangles;s+=8)e.push(A)}if(t.numEdges>0){let e,s=2*t.numEdges;t.numVertices<=256?(e=u.perEdgeNumberPortionId8Bits,h.numEdgeIndices8Bits+=s,ah.totalEdges8Bits+=t.numEdges):t.numVertices<=65536?(e=u.perEdgeNumberPortionId16Bits,h.numEdgeIndices16Bits+=s,ah.totalEdges16Bits+=t.numEdges):(e=u.perEdgeNumberPortionId32Bits,h.numEdgeIndices32Bits+=s,ah.totalEdges32Bits+=t.numEdges),ah.totalEdges+=t.numEdges;for(let s=0;s<t.numEdges;s+=8)e.push(A)}return this._subPortions.push({numVertices:t.numTriangles}),this._numPortions++,ah.numberOfPortions++,A}finalize(){if(this._finalized)return;const e=this._state,t=this._dataTextureState,s=this.model.scene.canvas.gl,n=this._buffer;e.gl=s,t.texturePerObjectIdColorsAndFlags=this._dataTextureGenerator.generateTextureForColorsAndFlags(s,n.perObjectColors,n.perObjectPickColors,n.perObjectVertexBases,n.perObjectIndexBaseOffsets,n.perObjectEdgeIndexBaseOffsets,n.perObjectSolid),t.texturePerObjectIdOffsets=this._dataTextureGenerator.generateTextureForObjectOffsets(s,this._numPortions),t.texturePerObjectIdPositionsDecodeMatrix=this._dataTextureGenerator.generateTextureForPositionsDecodeMatrices(s,n.perObjectPositionsDecodeMatrices,n.perObjectInstancePositioningMatrices),t.texturePerVertexIdCoordinates=this._dataTextureGenerator.generateTextureForPositions(s,n.positionsCompressed),t.texturePerPolygonIdPortionIds8Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(s,n.perTriangleNumberPortionId8Bits),t.texturePerPolygonIdPortionIds16Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(s,n.perTriangleNumberPortionId16Bits),t.texturePerPolygonIdPortionIds32Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(s,n.perTriangleNumberPortionId32Bits),n.perEdgeNumberPortionId8Bits.length>0&&(t.texturePerEdgeIdPortionIds8Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(s,n.perEdgeNumberPortionId8Bits)),n.perEdgeNumberPortionId16Bits.length>0&&(t.texturePerEdgeIdPortionIds16Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(s,n.perEdgeNumberPortionId16Bits)),n.perEdgeNumberPortionId32Bits.length>0&&(t.texturePerEdgeIdPortionIds32Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(s,n.perEdgeNumberPortionId32Bits)),n.indices8Bits.length>0&&(t.texturePerPolygonIdIndices8Bits=this._dataTextureGenerator.generateTextureFor8BitIndices(s,n.indices8Bits)),n.indices16Bits.length>0&&(t.texturePerPolygonIdIndices16Bits=this._dataTextureGenerator.generateTextureFor16BitIndices(s,n.indices16Bits)),n.indices32Bits.length>0&&(t.texturePerPolygonIdIndices32Bits=this._dataTextureGenerator.generateTextureFor32BitIndices(s,n.indices32Bits)),n.edgeIndices8Bits.length>0&&(t.texturePerPolygonIdEdgeIndices8Bits=this._dataTextureGenerator.generateTextureFor8BitsEdgeIndices(s,n.edgeIndices8Bits)),n.edgeIndices16Bits.length>0&&(t.texturePerPolygonIdEdgeIndices16Bits=this._dataTextureGenerator.generateTextureFor16BitsEdgeIndices(s,n.edgeIndices16Bits)),n.edgeIndices32Bits.length>0&&(t.texturePerPolygonIdEdgeIndices32Bits=this._dataTextureGenerator.generateTextureFor32BitsEdgeIndices(s,n.edgeIndices32Bits)),this.model._modelMatricesTexture||(this.model._modelMatricesTexture=this._dataTextureGenerator.generateModelTexture(s,this.model)),t.textureModelMatrices=this.model._modelMatricesTexture,t.cameraTexture=this._dataTextureGenerator.generateCameraDataTexture(this.model.scene.canvas.gl,this.model.scene.camera,this.model.scene,this._state.origin.slice()),t.textureCameraMatrices=t.cameraTexture,t.texturePickCameraMatrices=this._dataTextureGenerator.generatePickCameraDataTexture(this.model.scene.canvas.gl,this.model.scene.camera,this._state.origin.slice()),t.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(()=>{this._deferredSetFlagsDirty&&this._uploadDeferredFlags(),this._numUpdatesInFrame=0}))}isEmpty(){return 0===this._numPortions}initFlags(e,t,s){t&M&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&j&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&V&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&k&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&U&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&Q&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&H&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&F&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),s&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,s,true),this._setFlags2(e,t,true)}flushInitFlags(){this._setDeferredFlags(),this._setDeferredFlags2()}setVisible(e,t,s){if(!this._finalized)throw"Not finalized";t&M?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,s)}setHighlighted(e,t,s){if(!this._finalized)throw"Not finalized";t&j?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,s)}setXRayed(e,t,s){if(!this._finalized)throw"Not finalized";t&V?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,s)}setSelected(e,t,s){if(!this._finalized)throw"Not finalized";t&k?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,s)}setEdges(e,t,s){if(!this._finalized)throw"Not finalized";t&Q?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,s)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&U?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}_beginDeferredFlags(){this._deferredSetFlagsActive=!0}_uploadDeferredFlags(){if(this._deferredSetFlagsActive=!1,!this._deferredSetFlagsDirty)return;this._deferredSetFlagsDirty=!1;const e=this.model.scene.canvas.gl,t=this._dataTextureState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectIdColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectIdColorsAndFlags._textureWidth,t.texturePerObjectIdColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectIdColorsAndFlags._textureData),e.bindTexture(e.TEXTURE_2D,t.texturePerObjectIdOffsets._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectIdOffsets._textureWidth,t.texturePerObjectIdOffsets._textureHeight,e.RGB,e.FLOAT,t.texturePerObjectIdOffsets._textureData)}setCulled(e,t,s){if(!this._finalized)throw"Not finalized";t&F?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,s)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,s){if(!this._finalized)throw"Not finalized";t&H?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,s)}setColor(e,t){const s=this._portionToSubPortionsMap[e];for(let e=0,n=s.length;e<n;e++)this._subPortionSetColor(s[e],t)}_subPortionSetColor(e,t){if(!this._finalized)throw"Not finalized";const s=this._dataTextureState,n=this.model.scene.canvas.gl;uh[0]=t[0],uh[1]=t[1],uh[2]=t[2],uh[3]=t[3],s.texturePerObjectIdColorsAndFlags._textureData.set(uh,32*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),n.bindTexture(n.TEXTURE_2D,s.texturePerObjectIdColorsAndFlags._texture),n.texSubImage2D(n.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,n.RGBA_INTEGER,n.UNSIGNED_BYTE,uh))}setTransparent(e,t,s){s?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,s)}_setFlags(e,t,s,n=!1){const i=this._portionToSubPortionsMap[e];for(let e=0,a=i.length;e<a;e++)this._subPortionSetFlags(i[e],t,s,n)}_subPortionSetFlags(e,t,s,n=!1){if(!this._finalized)throw"Not finalized";const i=!!(t&M),a=!!(t&V),r=!!(t&j),l=!!(t&k),o=!!(t&F);let c,u;c=!i||o||a?cr.NOT_RENDERED:s?cr.COLOR_TRANSPARENT:cr.COLOR_OPAQUE,u=!i||o?cr.NOT_RENDERED:l?cr.SILHOUETTE_SELECTED:r?cr.SILHOUETTE_HIGHLIGHTED:a?cr.SILHOUETTE_XRAYED:cr.NOT_RENDERED;let h=0;h=!i||o?cr.NOT_RENDERED:l?cr.EDGES_SELECTED:r?cr.EDGES_HIGHLIGHTED:a?cr.EDGES_XRAYED:!!(t&Q)?s?cr.EDGES_COLOR_TRANSPARENT:cr.EDGES_COLOR_OPAQUE:cr.NOT_RENDERED;let p=i&&!!(t&H)?cr.PICK:cr.NOT_RENDERED;const A=this._dataTextureState,d=this.model.scene.canvas.gl;uh[0]=c,uh[1]=u,uh[2]=h,uh[3]=p,A.texturePerObjectIdColorsAndFlags._textureData.set(uh,32*e+8),this._deferredSetFlagsActive||n?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),d.bindTexture(d.TEXTURE_2D,A.texturePerObjectIdColorsAndFlags._texture),d.texSubImage2D(d.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,d.RGBA_INTEGER,d.UNSIGNED_BYTE,uh))}_setDeferredFlags(){}_setFlags2(e,t,s=!1){const n=this._portionToSubPortionsMap[e];for(let e=0,i=n.length;e<i;e++)this._subPortionSetFlags2(n[e],t,s)}_subPortionSetFlags2(e,t,s=!1){if(!this._finalized)throw"Not finalized";const n=t&U?255:0,i=this._dataTextureState,a=this.model.scene.canvas.gl;uh[0]=n,uh[1]=0,uh[2]=1,uh[3]=2,i.texturePerObjectIdColorsAndFlags._textureData.set(uh,32*e+12),this._deferredSetFlagsActive||s?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),a.bindTexture(a.TEXTURE_2D,i.texturePerObjectIdColorsAndFlags._texture),a.texSubImage2D(a.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,a.RGBA_INTEGER,a.UNSIGNED_BYTE,uh))}_setDeferredFlags2(){}setOffset(e,t){const s=this._portionToSubPortionsMap[e];for(let e=0,n=s.length;e<n;e++)this._subPortionSetOffset(s[e],t)}_subPortionSetOffset(e,t){if(!this._finalized)throw"Not finalized";const s=this._dataTextureState,n=this.model.scene.canvas.gl;hh[0]=t[0],hh[1]=t[1],hh[2]=t[2],s.texturePerObjectIdOffsets._textureData.set(hh,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),n.bindTexture(n.TEXTURE_2D,s.texturePerObjectIdOffsets._texture),n.texSubImage2D(n.TEXTURE_2D,0,0,e,1,1,n.RGB,n.FLOAT,hh))}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.withSAO&&this.model.saoEnabled?this._dataTextureRenderers.colorRendererWithSAO&&this._dataTextureRenderers.colorRendererWithSAO.drawLayer(t,this,cr.COLOR_OPAQUE):this._dataTextureRenderers.colorRenderer&&this._dataTextureRenderers.colorRenderer.drawLayer(t,this,cr.COLOR_OPAQUE))}_updateBackfaceCull(e,t){const s=this.model.backfaces||e.sectioned;if(t.backfaces!==s){const e=t.gl;s?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=s}}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.colorRenderer&&this._dataTextureRenderers.colorRenderer.drawLayer(t,this,cr.COLOR_TRANSPARENT))}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.depthRenderer&&this._dataTextureRenderers.depthRenderer.drawLayer(t,this,cr.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.normalsRenderer&&this._dataTextureRenderers.normalsRenderer.drawLayer(t,this,cr.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.silhouetteRenderer&&this._dataTextureRenderers.silhouetteRenderer.drawLayer(t,this,cr.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.silhouetteRenderer&&this._dataTextureRenderers.silhouetteRenderer.drawLayer(t,this,cr.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.silhouetteRenderer&&this._dataTextureRenderers.silhouetteRenderer.drawLayer(t,this,cr.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._dataTextureRenderers.edgesColorRenderer&&this._dataTextureRenderers.edgesColorRenderer.drawLayer(t,this,cr.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._dataTextureRenderers.edgesColorRenderer&&this._dataTextureRenderers.edgesColorRenderer.drawLayer(t,this,cr.EDGES_COLOR_TRANSPARENT)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._dataTextureRenderers.edgesRenderer&&this._dataTextureRenderers.edgesRenderer.drawLayer(t,this,cr.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._dataTextureRenderers.edgesRenderer&&this._dataTextureRenderers.edgesRenderer.drawLayer(t,this,cr.EDGES_SELECTED)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._dataTextureRenderers.edgesRenderer&&this._dataTextureRenderers.edgesRenderer.drawLayer(t,this,cr.EDGES_XRAYED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.occlusionRenderer&&this._dataTextureRenderers.occlusionRenderer.drawLayer(t,this,cr.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.shadowRenderer&&this._dataTextureRenderers.shadowRenderer.drawLayer(t,this,cr.COLOR_OPAQUE))}setPickMatrices(e,t){0!==this._numVisibleLayerPortions&&this._dataTextureState.texturePickCameraMatrices.updateViewMatrix(e,t)}drawPickMesh(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.pickMeshRenderer&&this._dataTextureRenderers.pickMeshRenderer.drawLayer(t,this,cr.PICK))}drawPickDepths(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.pickDepthRenderer&&this._dataTextureRenderers.pickDepthRenderer.drawLayer(t,this,cr.PICK))}drawSnapInitDepthBuf(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.snapDepthBufInitRenderer&&this._dataTextureRenderers.snapDepthBufInitRenderer.drawLayer(t,this,cr.PICK))}drawSnapDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.vertexDepthRenderer&&this._dataTextureRenderers.vertexDepthRenderer.drawLayer(t,this,cr.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.pickNormalsRenderer&&this._dataTextureRenderers.pickNormalsRenderer.drawLayer(t,this,cr.PICK))}destroy(){if(this._destroyed)return;const e=this._state;e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}const Ih=p.vec3();p.mat4();const yh=p.vec3([1,1,1]),mh=p.vec3([0,0,0]),vh=p.vec3([0,0,0]),wh=p.identityQuaternion(),gh=p.identityMat4(),Th=new Uint8Array([255,255,255]);class Eh extends _{constructor(e,t={}){super(e,t),this._dtxEnabled=this.scene.dtxEnabled&&!1!==t.dtxEnabled,this._enableVertexWelding=!1,this._enableIndexBucketing=!0,this._vboBatchingLayerScratchMemory=(or++,lr),this._textureTranscoder=t.textureTranscoder||Oc(this.scene.viewer),this._maxGeometryBatchSize=t.maxGeometryBatchSize,this._aabb=p.collapseAABB3(),this._aabbDirty=!0,this._quantizationRanges={},this._vboInstancingLayers={},this._vboBatchingLayers={},this._dtxLayers={},this._meshList=[],this.layerList=[],this._entityList=[],this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._meshes={},this._entities={},this._scheduledMeshes={},this.renderFlags=new ci,this.numGeometries=0,this.numPortions=0,this.numVisibleLayerPortions=0,this.numTransparentLayerPortions=0,this.numXRayedLayerPortions=0,this.numHighlightedLayerPortions=0,this.numSelectedLayerPortions=0,this.numEdgesLayerPortions=0,this.numPickableLayerPortions=0,this.numClippableLayerPortions=0,this.numCulledLayerPortions=0,this.numEntities=0,this._numTriangles=0,this._numLines=0,this._numPoints=0,this._edgeThreshold=t.edgeThreshold||10,this._origin=p.vec3(t.origin||[0,0,0]),this._position=p.vec3(t.position||[0,0,0]),this._rotation=p.vec3(t.rotation||[0,0,0]),this._quaternion=p.vec4(t.quaternion||[0,0,0,1]),this._conjugateQuaternion=p.vec4(t.quaternion||[0,0,0,1]),t.rotation&&p.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._scale=p.vec3(t.scale||[1,1,1]),this._worldRotationMatrix=p.mat4(),this._worldRotationMatrixConjugate=p.mat4(),this._matrix=p.mat4(),this._matrixDirty=!0,this._rebuildMatrices(),this._worldNormalMatrix=p.mat4(),p.inverseMat4(this._matrix,this._worldNormalMatrix),p.transposeMat4(this._worldNormalMatrix),(t.matrix||t.position||t.rotation||t.scale||t.quaternion)&&(this._viewMatrix=p.mat4(),this._viewNormalMatrix=p.mat4(),this._viewMatrixDirty=!0,this._matrixNonIdentity=!0),this._opacity=1,this._colorize=[1,1,1],this._saoEnabled=!1!==t.saoEnabled,this._pbrEnabled=!1!==t.pbrEnabled,this._colorTextureEnabled=!1!==t.colorTextureEnabled,this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this._onCameraViewMatrix=this.scene.camera.on("matrix",(()=>{this._viewMatrixDirty=!0})),this.scene.vfc.enabled&&(this._vfcManager=this.scene.vfc.getVFCManager(this)),this._createDefaultTextureSet(),this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.colorize=t.colorize,this.opacity=t.opacity,this.backfaces=t.backfaces}_createDefaultTextureSet(){const e=new wc({id:"defaultColorTexture",texture:new Ki({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})}),t=new wc({id:"defaultMetalRoughTexture",texture:new Ki({gl:this.scene.canvas.gl,preloadColor:[0,1,1,1]})}),s=new wc({id:"defaultNormalsTexture",texture:new Ki({gl:this.scene.canvas.gl,preloadColor:[0,0,0,0]})}),n=new wc({id:"defaultEmissiveTexture",texture:new Ki({gl:this.scene.canvas.gl,preloadColor:[0,0,0,1]})}),i=new wc({id:"defaultOcclusionTexture",texture:new Ki({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})});this._textures.defaultColorTexture=e,this._textures.defaultMetalRoughTexture=t,this._textures.defaultNormalsTexture=s,this._textures.defaultEmissiveTexture=n,this._textures.defaultOcclusionTexture=i,this._textureSets.defaultTextureSet=new vc({id:"defaultTextureSet",model:this,colorTexture:e,metallicRoughnessTexture:t,normalsTexture:s,emissiveTexture:n,occlusionTexture:i})}get isPerformanceModel(){return!0}get objects(){return this._entities}get origin(){return this._origin}set position(e){this._position.set(e||[0,0,0]),this._setWorldMatrixDirty(),this._setWorldAABBDirty(),this.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),p.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setWorldMatrixDirty(),this._setWorldAABBDirty(),this.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),p.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setWorldMatrixDirty(),this._setWorldAABBDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set scale(e){}get scale(){return this._scale}set matrix(e){this._matrix.set(e||gh),p.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),p.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),p.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),p.translateMat4v(this._position,this._matrix),this._matrixDirty=!1,this._setWorldMatrixDirty(),this._setWorldAABBDirty(),this.glRedraw()}get matrix(){return this._matrixDirty&&this._rebuildMatrices(),this._matrix}get rotationMatrix(){return this._matrixDirty&&this._rebuildMatrices(),this._worldRotationMatrix}_rebuildMatrices(){this._matrixDirty&&(p.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),p.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),p.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),p.translateMat4v(this._position,this._matrix),this._matrixDirty=!1)}get rotationMatrixConjugate(){return this._matrixDirty&&this._rebuildMatrices(),this._worldRotationMatrixConjugate}_setWorldMatrixDirty(){this._matrixDirty=!0}_setLocalAABBDirty(){for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._setLocalAABBDirty()}_setWorldAABBDirty(){this._aabbDirty=!0,this.scene._aabbDirty=!0,this._matrixDirty=!0;for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._setWorldAABBDirty()}get worldMatrix(){return this.matrix}get worldNormalMatrix(){return this._worldNormalMatrix}get viewMatrix(){return this._viewMatrix?(this._matrixDirty&&(this._rebuildMatrices(),this._viewMatrixDirty=!0),this._viewMatrixDirty&&(p.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),p.inverseMat4(this._viewMatrix,this._viewNormalMatrix),p.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1),this._viewMatrix):this.scene.camera.viewMatrix}get viewNormalMatrix(){return this._viewNormalMatrix?(this._matrixDirty&&(this._rebuildMatrices(),this._viewMatrixDirty=!0),this._viewMatrixDirty&&(p.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),p.inverseMat4(this._viewMatrix,this._viewNormalMatrix),p.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1),p.inverseMat4(this._viewMatrix,this._viewNormalMatrix),p.transposeMat4(this._viewNormalMatrix),this._viewNormalMatrix):this.scene.camera.viewNormalMatrix}get backfaces(){return this._backfaces}set backfaces(e){e=!!e,this._backfaces=e,this.glRedraw()}get entityList(){return this._entityList}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return!1}get aabb(){if(this._aabbDirty){p.collapseAABB3(this._aabb);for(let e=0,t=this._entityList.length;e<t;e++)p.expandAABB3(this._aabb,this._entityList[e].aabb);this._aabbDirty=!1}return this._aabb}get numTriangles(){return this._numTriangles}get numLines(){return this._numLines}get numPoints(){return this._numPoints}get visible(){return this.numVisibleLayerPortions>0}set visible(e){e=!1!==e,this._visible=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].visible=e;this.glRedraw()}get xrayed(){return this.numXRayedLayerPortions>0}set xrayed(e){e=!!e,this._xrayed=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].xrayed=e;this.glRedraw()}get highlighted(){return this.numHighlightedLayerPortions>0}set highlighted(e){e=!!e,this._highlighted=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].highlighted=e;this.glRedraw()}get selected(){return this.numSelectedLayerPortions>0}set selected(e){e=!!e,this._selected=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].selected=e;this.glRedraw()}get edges(){return this.numEdgesLayerPortions>0}set edges(e){e=!!e,this._edges=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].edges=e;this.glRedraw()}get culled(){return this._culled}set culled(e){e=!!e,this._culled=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].culled=e;this.glRedraw()}get clippable(){return this._clippable}set clippable(e){e=!1!==e,this._clippable=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].clippable=e;this.glRedraw()}get collidable(){return this._collidable}set collidable(e){e=!1!==e,this._collidable=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].collidable=e}get pickable(){return this.numPickableLayerPortions>0}set pickable(e){e=!1!==e,this._pickable=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].pickable=e}get colorize(){return this._colorize}set colorize(e){this._colorize=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].colorize=e}get opacity(){return this._opacity}set opacity(e){this._opacity=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].opacity=e}get castsShadow(){return this._castsShadow}set castsShadow(e){(e=!1!==e)!==this._castsShadow&&(this._castsShadow=e,this.glRedraw())}get receivesShadow(){return this._receivesShadow}set receivesShadow(e){(e=!1!==e)!==this._receivesShadow&&(this._receivesShadow=e,this.glRedraw())}get saoEnabled(){return this._saoEnabled}get pbrEnabled(){return this._pbrEnabled}get colorTextureEnabled(){return this._colorTextureEnabled}get isDrawable(){return!0}get isStateSortable(){return!1}get xrayMaterial(){return this.scene.xrayMaterial}get highlightMaterial(){return this.scene.highlightMaterial}get selectedMaterial(){return this.scene.selectedMaterial}get edgeMaterial(){return this.scene.edgeMaterial}getPickViewMatrix(e){return this._viewMatrix?this._viewMatrix:e}createQuantizationRange(e){void 0!==e.id&&null!==e.id?e.aabb?this.error("[createQuantizationRange] Config missing: aabb"):this._quantizationRanges[e.id]?this.error("[createQuantizationRange] QuantizationRange already created: "+e.id):this._quantizationRanges[e.id]={id:e.id,aabb:e.aabb,matrix:Kr(e.aabb,p.mat4())}:this.error("[createQuantizationRange] Config missing: id")}createGeometry(e){if(void 0!==e.id&&null!==e.id)if(this._geometries[e.id])this.error("[createGeometry] Geometry already created: "+e.id);else if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"===e.primitive||"lines"===e.primitive||"triangles"===e.primitive||"solid"===e.primitive||"surface"===e.primitive){if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("[createGeometry] Param expected: `positions`,  `positionsCompressed' or 'buckets"),null;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("[createGeometry] Param expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.positionsDecodeMatrix&&e.positionsDecodeBoundary)return this.error("[createGeometry] Only one of these params expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("[createGeometry] Param expected: `uvDecodeMatrix` (required for `uvCompressed')"),null;if(!e.buckets&&!e.indices&&"points"!==e.primitive)return this.error(`[createGeometry] Param expected: indices (required for '${e.primitive}' primitive type)`),null;if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=Kr(e.positionsDecodeBoundary,p.mat4())),e.positions){const t=p.collapseAABB3();e.positionsDecodeMatrix=p.mat4(),p.expandAABB3Points3(t,e.positions),e.positionsCompressed=zr(e.positions,t,e.positionsDecodeMatrix)}else e.positionsDecodeMatrix=new Float64Array(e.positionsDecodeMatrix),e.positionsCompressed=new Uint16Array(e.positionsCompressed);if(e.colorsCompressed&&e.colorsCompressed.length>0)e.colorsCompressed=new Uint8Array(e.colorsCompressed);else if(e.colors&&e.colors.length>0){const t=e.colors,s=new Uint8Array(t.length);for(let e=0,n=t.length;e<n;e++)s[e]=255*t[e];e.colorsCompressed=s}if(e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=mt(e.positions,e.indices,null,5):e.edgeIndices=mt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.buckets&&(this._dtxBuckets[e.id]=e.buckets),e.uv){const t=Dt.getUVBounds(e.uv),s=Dt.compressUVs(e.uv,t.min,t.max);e.uvCompressed=s.quantized,e.uvDecodeMatrix=s.decodeMatrix}else e.uvCompressed&&(e.uvCompressed=new Uint16Array(e.uvCompressed),e.uvDecodeMatrix=new Float64Array(e.uvDecodeMatrix));e.normals&&(e.normals=null),this._geometries[e.id]=e,this._numTriangles+=e.indices?Math.round(e.indices.length/3):0,this.numGeometries++}else this.error(`[createGeometry] Unsupported value for 'primitive': '${primitive}' - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'. Defaulting to 'triangles'.`);else this.error("[createGeometry] Config missing: id")}createTexture(e){const t=e.id;if(null==t)return void this.error("[createTexture] Config missing: id");if(this._textures[t])return void this.error("[createTexture] Texture already created: "+t);if(!e.src&&!e.image&&!e.buffers)return this.error("[createTexture] Param expected: `src`, `image' or 'buffers'"),null;let s=e.minFilter||1008;1006!==s&&1007!==s&&1008!==s&&1005!==s&&1004!==s&&(this.error("[createTexture] Unsupported value for 'minFilter' - \n            supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, \n            NearestMipMapLinearFilter and LinearMipmapLinearFilter. Defaulting to LinearMipmapLinearFilter."),s=1008);let n=e.magFilter||1006;1006!==n&&1003!==n&&(this.error("[createTexture] Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),n=1006);let i=e.wrapS||1e3;1001!==i&&1002!==i&&1e3!==i&&(this.error("[createTexture] Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),i=1e3);let a=e.wrapT||1e3;1001!==a&&1002!==a&&1e3!==a&&(this.error("[createTexture] Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),a=1e3);let r=e.wrapR||1e3;1001!==r&&1002!==r&&1e3!==r&&(this.error("[createTexture] Unsupported value for 'wrapR' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),r=1e3);let l=e.encoding||3e3;3e3!==l&&3001!==l&&(this.error("[createTexture] Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),l=3e3);const o=new Ki({gl:this.scene.canvas.gl,minFilter:s,magFilter:n,wrapS:i,wrapT:a,wrapR:r,encoding:l});if(e.preloadColor&&o.setPreloadColor(e.preloadColor),e.image){const t=e.image;t.crossOrigin="Anonymous",o.setImage(t,{minFilter:s,magFilter:n,wrapS:i,wrapT:a,wrapR:r,flipY:e.flipY,encoding:l})}else if(e.src){const t=e.src.split(".").pop();switch(t){case"jpeg":case"jpg":case"png":case"gif":const c=new Image;c.onload=()=>{o.setImage(c,{minFilter:s,magFilter:n,wrapS:i,wrapT:a,wrapR:r,flipY:e.flipY,encoding:l}),this.glRedraw()},c.src=e.src;break;default:this._textureTranscoder?m.loadArraybuffer(e.src,(e=>{e.byteLength?this._textureTranscoder.transcode([e],o).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'src': file data is zero length")}),(function(e){this.error(`[createTexture] Can't create texture from 'src': ${e}`)})):this.error(`[createTexture] Can't create texture from 'src' - SceneModel needs to be configured with a TextureTranscoder for this file type ('${t}')`)}}else e.buffers&&(this._textureTranscoder?this._textureTranscoder.transcode(e.buffers,o).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'buffers' - SceneModel needs to be configured with a TextureTranscoder for this option"));this._textures[t]=new wc({id:t,texture:o})}createTextureSet(e){const t=e.id;if(null==t)return void this.error("[createTextureSet] Config missing: id");if(this._textureSets[t])return void this.error(`[createTextureSet] Texture set already created: ${t}`);let s,n,i,a,r;if(void 0!==e.colorTextureId&&null!==e.colorTextureId){if(s=this._textures[e.colorTextureId],!s)return void this.error(`[createTextureSet] Texture not found: ${e.colorTextureId} - ensure that you create it first with createTexture()`)}else s=this._textures.defaultColorTexture;if(void 0!==e.metallicRoughnessTextureId&&null!==e.metallicRoughnessTextureId){if(n=this._textures[e.metallicRoughnessTextureId],!n)return void this.error(`[createTextureSet] Texture not found: ${e.metallicRoughnessTextureId} - ensure that you create it first with createTexture()`)}else n=this._textures.defaultMetalRoughTexture;if(void 0!==e.normalsTextureId&&null!==e.normalsTextureId){if(i=this._textures[e.normalsTextureId],!i)return void this.error(`[createTextureSet] Texture not found: ${e.normalsTextureId} - ensure that you create it first with createTexture()`)}else i=this._textures.defaultNormalsTexture;if(void 0!==e.emissiveTextureId&&null!==e.emissiveTextureId){if(a=this._textures[e.emissiveTextureId],!a)return void this.error(`[createTextureSet] Texture not found: ${e.emissiveTextureId} - ensure that you create it first with createTexture()`)}else a=this._textures.defaultEmissiveTexture;if(void 0!==e.occlusionTextureId&&null!==e.occlusionTextureId){if(r=this._textures[e.occlusionTextureId],!r)return void this.error(`[createTextureSet] Texture not found: ${e.occlusionTextureId} - ensure that you create it first with createTexture()`)}else r=this._textures.defaultOcclusionTexture;const l=new vc({id:t,model:this,colorTexture:s,metallicRoughnessTexture:n,normalsTexture:i,emissiveTexture:a,occlusionTexture:r});this._textureSets[t]=l}createMesh(e){if(void 0===e.id||null===e.id)return void this.error("[createMesh] SceneModel.createMesh() config missing: id");if(this._scheduledMeshes[e.id])return void this.error(`[createMesh] SceneModel already has a mesh with this ID: ${e.id}`);const t=!(void 0!==e.geometryId);if(e.sceneModelMatrix=this._matrixNonIdentity?this._matrix:null,t){const t=!!this._dtxEnabled;if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"!==e.primitive&&"lines"!==e.primitive&&"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)return void this.error(`Unsupported value for 'primitive': '${primitive}'  ('geometryId' is absent) - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'.`);if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("Param expected: 'positions',  'positionsCompressed' or `buckets`  ('geometryId' is absent)"),null;if(e.positions&&(e.positionsDecodeMatrix||e.positionsDecodeBoundary))return this.error("Illegal params: 'positions' not expected with 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),null;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("Param expected: 'positionsCompressed' should be accompanied by 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),null;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("Param expected: 'uvCompressed' should be accompanied by `uvDecodeMatrix` ('geometryId' is absent)"),null;if(!e.buckets&&!e.indices&&"points"!==e.primitive)return this.error(`Param expected: indices (required for '${e.primitive}' primitive type)`),null;if((e.matrix||e.position||e.rotation||e.scale)&&(e.positionsCompressed||e.positionsDecodeBoundary))return this.error("Unexpected params: 'matrix', 'rotation', 'scale', 'position' not allowed with 'positionsCompressed'"),null;if(e.origin=e.origin?p.addVec3(this._origin,e.origin,p.vec3()):this._origin,e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position){const t=e.scale||yh,s=e.position||mh,n=e.rotation||vh;p.eulerToQuaternion(n,"XYZ",wh),e.meshMatrix=p.composeMat4(s,wh,t,p.mat4())}if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=Kr(e.positionsDecodeBoundary,p.mat4())),t){if(e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Th,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.positions){const t=p.vec3(),s=[];N(e.positions,s,t)&&(e.positions=s,e.origin=p.addVec3(e.origin,t,t))}if(e.positions){const t=p.collapseAABB3();e.positionsDecodeMatrix=p.mat4(),p.expandAABB3Points3(t,e.positions),e.positionsCompressed=zr(e.positions,t,e.positionsDecodeMatrix)}e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=mt(e.positions,e.indices,null,2):e.edgeIndices=mt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.buckets||(e.buckets=bh(e,this._enableVertexWelding&&this._enableIndexBucketing))}else{if(e.type=1,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):[255,255,255],e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.positions){const t=[];N(e.positions,t,Ih)&&(e.positions=t,e.origin=p.addVec3(e.origin,Ih,p.vec3()))}if(e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=mt(e.positions,e.indices,null,2):e.edgeIndices=mt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId],!e.textureSet))return void this.error(`[createMesh] Texture set not found: ${e.textureSetId} - ensure that you create it first with createTextureSet()`)}}else{if(e.positions||e.positionsCompressed||e.indices||e.edgeIndices||e.normals||e.normalsCompressed||e.uv||e.uvCompressed||e.positionsDecodeMatrix)return void this.error("Mesh geometry parameters not expected when instancing a geometry (not expected: positions, positionsCompressed, indices, edgeIndices, normals, normalsCompressed, uv, uvCompressed, positionsDecodeMatrix)");if(e.geometry=this._geometries[e.geometryId],!e.geometry)return void this.error(`[createMesh] Geometry not found: ${e.geometryId} - ensure that you create it first with createGeometry()`);if(e.origin=e.origin?p.addVec3(this._origin,e.origin,p.vec3()):this._origin,e.positionsDecodeMatrix=e.geometry.positionsDecodeMatrix,e.matrix)e.meshMatrix=e.matrix.slice();else{const t=e.scale||yh,s=e.position||mh,n=e.rotation||vh;p.eulerToQuaternion(n,"XYZ",wh),e.meshMatrix=p.composeMat4(s,wh,t,p.mat4())}if(!!this._dtxEnabled){e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Th,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255;let t=this._dtxBuckets[e.geometryId];t||(t=bh(e.geometry,this._enableVertexWelding,this._enableIndexBucketing),this._dtxBuckets[e.geometryId]=t),e.buckets=t}else e.type=0,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Th,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId]),function(e){if(e.obb=p.OBB3(),e.positionsCompressed&&e.positionsCompressed.length>0){const t=p.collapseAABB3();p.expandAABB3Points3(t,e.positionsCompressed),Dt.decompressAABB(t,e.positionsDecodeMatrix),p.AABB3ToOBB3(t,e.obb)}else if(e.positions&&e.positions.length>0){const t=p.collapseAABB3();p.expandAABB3Points3(t,e.positions),p.AABB3ToOBB3(t,e.obb)}}(e.geometry)}e.numPrimitives=this._getNumPrimitives(e),this._vfcManager&&!this._vfcManager.finalized?this._vfcManager.addMesh(e):this._createMesh(e)}_createMesh(e){const t=new rr(this,e.id,e.color,e.opacity);t.pickId=this.scene._renderer.getPickID(t);const s=t.pickId,n=s>>24&255,i=s>>16&255,a=s>>8&255,r=255&s;switch(e.pickColor=new Uint8Array([r,a,i,n]),e.worldAABB=p.collapseAABB3(),e.aabb=e.worldAABB,e.solid="solid"===e.primitive,t.origin=p.vec3(e.origin),e.type){case 2:t.layer=this._getDTXLayer(e);break;case 1:t.layer=this._getVBOBatchingLayer(e);break;case 0:t.layer=this._getVBOInstancingLayer(e)}t.portionId=t.layer.createPortion(e),t.aabb=e.worldAABB,t.numPrimitives=e.numPrimitives,p.expandAABB3(this._aabb,t.aabb),this._meshes[e.id]=t,this._meshList.push(t)}_getNumPrimitives(e){let t=0;switch(e.geometry?e.geometry.primitive:e.primitive){case"triangles":case"solid":case"surface":switch(e.type){case 2:for(let s=0,n=e.buckets.length;s<n;s++)t+=e.buckets[s].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/3);case"points":switch(e.type){case 2:for(let s=0,n=e.buckets.length;s<n;s++)t+=e.buckets[s].positionsCompressed.length;break;case 1:case 0:t+=e.positions?e.positions.length:e.positionsCompressed.length}return Math.round(t);case"lines":case"line-strip":switch(e.type){case 2:for(let s=0,n=e.buckets.length;s<n;s++)t+=e.buckets[s].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/2)}return 0}_getDTXLayer(e){const t=e.origin,s=`${Math.round(t[0])}.${Math.round(t[1])}.${Math.round(t[2])}`;let n=this._dtxLayers[s];if(n){if(n.canCreatePortion(e))return n;n.finalize(),delete this._dtxLayers[s],n=null}return console.log(`[SceneModel ${this.id}]: creating TrianglesDataTextureLayer`),n=new fh(this,{layerIndex:0,origin:t}),this._dtxLayers[s]=n,this.layerList.push(n),n}_getVBOBatchingLayer(e){const t=this,s=e.origin,n=e.positionsDecodeMatrix||e.positionsDecodeBoundary?this._createHashStringFromMatrix(e.positionsDecodeMatrix||e.positionsDecodeBoundary):"-",i=e.textureSetId||"-",a=`${Math.round(s[0])}.${Math.round(s[1])}.${Math.round(s[2])}.${e.primitive}.${n}.${i}`;let r=this._vboBatchingLayers[a];if(r)return r;let l=e.textureSet;for(;!r;){switch(e.primitive){case"triangles":case"solid":case"surface":console.log(`[SceneModel ${this.id}]: creating TrianglesBatchingLayer`),r=new Dl({model:t,textureSet:l,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:s,maxGeometryBatchSize:this._maxGeometryBatchSize,solid:"solid"===e.primitive,autoNormals:!0});break;case"lines":console.log(`[SceneModel ${this.id}]: creating LinesBatchingLayer`),r=new Bo({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:s,maxGeometryBatchSize:this._maxGeometryBatchSize});break;case"points":console.log(`[SceneModel ${this.id}]: creating PointsBatchingLayer`),r=new sc({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:s,maxGeometryBatchSize:this._maxGeometryBatchSize})}const n=e.positionsCompressed?e.positionsCompressed.length:e.positions.length;("points"===e.primitive?r.canCreatePortion(n):r.canCreatePortion(n,e.indices.length))||(r.finalize(),delete this._vboBatchingLayers[a],r=null)}return this._vboBatchingLayers[a]=r,this.layerList.push(r),r}_createHashStringFromMatrix(e){const t=e.join("");let s=0;for(let e=0;e<t.length;e++){s=(s<<5)-s+t.charCodeAt(e),s|=0}return(s>>>0).toString(16)}_getVBOInstancingLayer(e){const t=this,s=e.origin,n=e.textureSetId||"-",i=e.geometryId,a=`${Math.round(s[0])}.${Math.round(s[1])}.${Math.round(s[2])}.${n}.${i}`;let r=this._vboInstancingLayers[a];if(r)return r;let l=e.textureSet;const o=e.geometry;for(;!r;)switch(o.primitive){case"triangles":case"surface":console.log(`[SceneModel ${this.id}]: creating TrianglesInstancingLayer`),r=new wo({model:t,textureSet:l,geometry:o,origin:s,layerIndex:0,solid:!1});break;case"solid":console.log(`[SceneModel ${this.id}]: creating TrianglesInstancingLayer`),r=new wo({model:t,textureSet:l,geometry:o,origin:s,layerIndex:0,solid:!0});break;case"lines":console.log(`[SceneModel ${this.id}]: creating LinesInstancingLayer`),r=new Vo({model:t,textureSet:l,geometry:o,origin:s,layerIndex:0});break;case"points":console.log(`[SceneModel ${this.id}]: creating PointsInstancingLayer`),r=new mc({model:t,textureSet:l,geometry:o,origin:s,layerIndex:0})}return this._vboInstancingLayers[a]=r,this.layerList.push(r),r}createEntity(e){if(void 0===e.id?e.id=p.createUUID():this.scene.components[e.id]&&(this.error(`Scene already has a Component with this ID: ${e.id} - will assign random ID`),e.id=p.createUUID()),void 0===e.meshIds)return void this.error("Config missing: meshIds");let t=0;if(this._visible&&!1!==e.visible&&(t|=M),this._pickable&&!1!==e.pickable&&(t|=H),this._culled&&!1!==e.culled&&(t|=F),this._clippable&&!1!==e.clippable&&(t|=U),this._collidable&&!1!==e.collidable&&(t|=G),this._edges&&!1!==e.edges&&(t|=Q),this._xrayed&&!1!==e.xrayed&&(t|=V),this._highlighted&&!1!==e.highlighted&&(t|=j),this._selected&&!1!==e.selected&&(t|=k),e.flags=t,this._vfcManager&&!this._vfcManager.finalized){for(let t=0,s=e.meshIds.length;t<s;t++){const s=e.meshIds[t];if(this._scheduledMeshes[s])return void this.error(`[createEntity] Mesh not found: ${s}`)}this._vfcManager.addEntity(e)}else this._createEntity(e)}_createEntity(e){let t=[];const s=p.collapseAABB3();for(let n=0,i=e.meshIds.length;n<i;n++){const i=e.meshIds[n],a=this._meshes[i];a?a.parent?this.error(`Mesh with ID "${i}" already belongs to object with ID "${a.parent.id}" - ignoring this mesh`):(p.expandAABB3(s,a.aabb),t.push(a)):this.error(`Mesh with this ID not found: "${i}" - ignoring this mesh`)}const n=new Y(this,e.isObject,e.id,t,e.flags,s,!0);this._entityList.push(n),this._entities[e.id]=n,this.numEntities++}finalize(){if(!this.destroyed){this._vfcManager&&this._vfcManager.finalize((()=>{}));for(let e=0,t=this.layerList.length;e<t;e++){this.layerList[e].finalize()}this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._dtxLayers={},this._vboInstancingLayers={},this._vboBatchingLayers={};for(let e=0,t=this._entityList.length;e<t;e++){this._entityList[e]._finalize()}for(let e=0,t=this._entityList.length;e<t;e++){this._entityList[e]._finalize2()}this.layerList.sort(((e,t)=>e.sortId<t.sortId?-1:e.sortId>t.sortId?1:0));for(let e=0,t=this.layerList.length;e<t;e++){this.layerList[e].layerIndex=e}this.glRedraw(),this.scene._aabbDirty=!0,this.scene.lod.enabled&&(this._lodManager=this.scene.lod.getLODManager(this))}}stateSortCompare(e,t){}rebuildRenderFlags(){this.renderFlags.reset(),this._updateRenderFlagsVisibleLayers(),this.renderFlags.numLayers>0&&0===this.renderFlags.numVisibleLayers?this.renderFlags.culled=!0:this._updateRenderFlags()}_updateRenderFlagsVisibleLayers(){const e=this.renderFlags;e.numLayers=this.layerList.length,e.numVisibleLayers=0;for(let t=0,s=this.layerList.length;t<s;t++){const s=this.layerList[t];this._getActiveSectionPlanesForLayer(s)&&(e.visibleLayers[e.numVisibleLayers++]=t)}}_getActiveSectionPlanesForLayer(e){const t=this.renderFlags,s=this.scene._sectionPlanesState.sectionPlanes,n=s.length,i=e.layerIndex*n;if(n>0)for(let e=0;e<n;e++){s[e].active?(t.sectionPlanesActivePerLayer[i+e]=!0,t.sectioned=!0):t.sectionPlanesActivePerLayer[i+e]=!1}return!0}_updateRenderFlags(){if(0===this.numVisibleLayerPortions)return;if(this.numCulledLayerPortions===this.numPortions)return;const e=this.renderFlags;if(e.colorOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.colorTransparent=!0),this.numXRayedLayerPortions>0){const t=this.scene.xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}if(this.numEdgesLayerPortions>0){this.scene.edgeMaterial._state.edges&&(e.edgesOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.edgesTransparent=!0))}if(this.numSelectedLayerPortions>0){const t=this.scene.selectedMaterial._state;t.fill&&(t.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}if(this.numHighlightedLayerPortions>0){const t=this.scene.highlightMaterial._state;t.fill&&(t.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}drawColorOpaque(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawColorOpaque(t,e)}}drawColorTransparent(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawColorTransparent(t,e)}}drawDepth(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawDepth(t,e)}}drawNormals(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawNormals(t,e)}}drawSilhouetteXRayed(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawSilhouetteXRayed(t,e)}}drawSilhouetteHighlighted(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawSilhouetteHighlighted(t,e)}}drawSilhouetteSelected(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawSilhouetteSelected(t,e)}}drawEdgesColorOpaque(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawEdgesColorOpaque(t,e)}}drawEdgesColorTransparent(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawEdgesColorTransparent(t,e)}}drawEdgesXRayed(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawEdgesXRayed(t,e)}}drawEdgesHighlighted(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawEdgesHighlighted(t,e)}}drawEdgesSelected(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawEdgesSelected(t,e)}}drawOcclusion(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawOcclusion(t,e)}}drawShadow(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawShadow(t,e)}}setPickMatrices(e,t){if(0===this._numVisibleLayerPortions)return;const s=this.renderFlags;for(let n=0,i=s.visibleLayers.length;n<i;n++){const i=s.visibleLayers[n],a=this.layerList[i];a.setPickMatrices&&a.setPickMatrices(e,t)}}drawPickMesh(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawPickMesh(t,e)}}drawPickDepths(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawPickDepths(t,e)}}drawPickNormals(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawPickNormals(t,e)}}drawSnapInitDepthBuf(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s],i=this.layerList[n];i.drawSnapInitDepthBuf&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,i.drawSnapInitDepthBuf(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}drawSnapDepths(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s],i=this.layerList[n];i.drawSnapDepths&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,i.drawSnapDepths(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}destroy(){for(let e in this._vboBatchingLayers)this._vboBatchingLayers.hasOwnProperty(e)&&this._vboBatchingLayers[e].destroy();this._vboBatchingLayers={};for(let e in this._vboInstancingLayers)this._vboInstancingLayers.hasOwnProperty(e)&&this._vboInstancingLayers[e].destroy();this._vboInstancingLayers={},this.scene.camera.off(this._onCameraViewMatrix);for(let e=0,t=this.layerList.length;e<t;e++)this.layerList[e].destroy();this.layerList=[];for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._destroy();this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._meshes={},this._entities={},this.scene._aabbDirty=!0,this._isModel&&this.scene._deregisterModel(this),0!==or&&(or--,0===or&&lr._clear()),this._vfcManager&&this.scene.vfc.putVFCManager(this._vfcManager),this._lodManager&&this.scene.lod.putLODManager(this._lodManager),super.destroy()}}function bh(e,t,s){let n,i,a,r;if(t?[n,i,a]=Lc({positionsCompressed:e.positionsCompressed,indices:e.indices,edgeIndices:e.edgeIndices}):(n=e.positionsCompressed,i=e.indices,a=e.edgeIndices),s){r=Gc({positionsCompressed:n,indices:i,edgeIndices:a},n.length/3>65536?16:8)}else r=[{positionsCompressed:n,indices:i,edgeIndices:a}];return r}class Dh extends Eh{constructor(e,t={}){super(e,t)}}class Ph extends _{constructor(e,t={}){super(e,t),this._skyboxMesh=new wi(this,{geometry:new Ct(this,{primitive:"triangles",positions:[1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,-1,1,-1,-1,1,1,-1,1,1,-1,1,-1,-1,-1,-1,-1,-1,1,-1,-1,-1,1,-1,-1,1,-1,1,-1,-1,1,1,-1,-1,-1,-1,-1,-1,1,-1,1,1,-1],uv:[.5,.6666,.25,.6666,.25,.3333,.5,.3333,.5,.6666,.5,.3333,.75,.3333,.75,.6666,.5,.6666,.5,1,.25,1,.25,.6666,.25,.6666,0,.6666,0,.3333,.25,.3333,.25,0,.5,0,.5,.3333,.25,.3333,.75,.3333,1,.3333,1,.6666,.75,.6666],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]}),background:!0,scale:[2e3,2e3,2e3],rotation:[0,-90,0],material:new Nt(this,{ambient:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],emissive:[1,1,1],emissiveMap:new $i(this,{src:t.src,flipY:!0,wrapS:"clampToEdge",wrapT:"clampToEdge",encoding:t.encoding||"sRGB"}),backfaces:!0}),visible:!1,pickable:!1,clippable:!1,collidable:!1}),this.size=t.size,this.active=t.active}set size(e){this._size=e||1e3,this._skyboxMesh.scale=[this._size,this._size,this._size]}get size(){return this._size}set active(e){this._skyboxMesh.visible=e}get active(){return this._skyboxMesh.visible}}class Rh{transcode(e,t,s={}){}destroy(){}}const Ch=p.vec4(),_h=p.vec4(),Bh=p.vec3(),Oh=p.vec3(),Sh=p.vec3(),Nh=p.vec4(),xh=p.vec4(),Lh=p.vec4();class Mh{constructor(e){this._scene=e}dollyToCanvasPos(e,t,s){let n=!1;const i=this._scene.camera;if(e){const t=p.subVec3(e,i.eye,Bh);n=p.lenVec3(t)<s}if("perspective"===i.projection){i.ortho.scale=i.ortho.scale-s;const n=this._unproject(t,Nh),a=p.subVec3(n,i.eye,Lh),r=p.mulVec3Scalar(p.normalizeVec3(a),-s,[]);if(i.eye=[i.eye[0]-r[0],i.eye[1]-r[1],i.eye[2]-r[2]],i.look=[i.look[0]-r[0],i.look[1]-r[1],i.look[2]-r[2]],e){const t=p.subVec3(e,i.eye,Bh),s=p.lenVec3(t),n=p.mulVec3Scalar(p.normalizeVec3(p.subVec3(i.look,i.eye,Oh)),s);i.look=[i.eye[0]+n[0],i.eye[1]+n[1],i.eye[2]+n[2]]}}else if("ortho"===i.projection){const e=this._unproject(t,Nh);i.ortho.scale=i.ortho.scale-s,i.ortho._update();const n=this._unproject(t,xh),a=p.subVec3(n,e,Lh),r=p.mulVec3Scalar(p.normalizeVec3(p.subVec3(i.look,i.eye,Bh)),-s,Oh),l=p.addVec3(a,r,Sh);i.eye=[i.eye[0]-l[0],i.eye[1]-l[1],i.eye[2]-l[2]],i.look=[i.look[0]-l[0],i.look[1]-l[1],i.look[2]-l[2]]}return n}_unproject(e,t){const s=this._scene.camera,n=s.project.transposedMatrix,i=n.subarray(8,12),a=n.subarray(12),r=[0,0,-1,1],l=p.dotVec4(r,i)/p.dotVec4(r,a);return s.project.unproject(e,l,Ch,_h,t),t}destroy(){}}const Fh=p.vec3(),Hh=p.vec3(),Uh=p.vec3(),Gh=p.vec4(),Vh=p.vec4(),jh=p.vec4();class kh{constructor(e,t){this._scene=e,this._configs=t,this._pivotWorldPos=p.vec3(),this._cameraOffset=p.vec3(),this._azimuth=0,this._polar=0,this._radius=0,this._pivotPosSet=!1,this._pivoting=!1,this._shown=!1,this._pivotViewPos=p.vec4(),this._pivotProjPos=p.vec4(),this._pivotCanvasPos=p.vec2(),this._cameraDirty=!0,this._onViewMatrix=this._scene.camera.on("viewMatrix",(()=>{this._cameraDirty=!0})),this._onProjMatrix=this._scene.camera.on("projMatrix",(()=>{this._cameraDirty=!0})),this._onTick=this._scene.on("tick",(()=>{this.updatePivotElement()}))}updatePivotElement(){const e=this._scene.camera,t=this._scene.canvas;if(this._pivoting&&this._cameraDirty){p.transformPoint3(e.viewMatrix,this.getPivotPos(),this._pivotViewPos),this._pivotViewPos[3]=1,p.transformPoint4(e.projMatrix,this._pivotViewPos,this._pivotProjPos);const s=t.boundary,n=s[2],i=s[3];this._pivotCanvasPos[0]=Math.floor((1+this._pivotProjPos[0]/this._pivotProjPos[3])*n/2),this._pivotCanvasPos[1]=Math.floor((1-this._pivotProjPos[1]/this._pivotProjPos[3])*i/2);let a=t._lastBoundingClientRect;if(!a||t._canvasSizeChanged){const e=t.canvas;a=t._lastBoundingClientRect=e.getBoundingClientRect()}this._pivotElement&&(this._pivotElement.style.left=Math.floor(a.left+this._pivotCanvasPos[0])-this._pivotElement.clientWidth/2+window.scrollX+"px",this._pivotElement.style.top=Math.floor(a.top+this._pivotCanvasPos[1])-this._pivotElement.clientHeight/2+window.scrollY+"px"),this._cameraDirty=!1}}setPivotElement(e){this._pivotElement=e}startPivot(){if(this._cameraLookingDownwards())return this._pivoting=!1,!1;const e=this._scene.camera;let t=p.lookAtMat4v(e.eye,e.look,e.worldUp);p.transformPoint3(t,this.getPivotPos(),this._cameraOffset);const s=this.getPivotPos();this._cameraOffset[2]+=p.distVec3(e.eye,s),t=p.inverseMat4(t);const n=p.transformVec3(t,this._cameraOffset),i=p.vec3();if(p.subVec3(e.eye,s,i),p.addVec3(i,n),e.zUp){const e=i[1];i[1]=i[2],i[2]=e}this._radius=p.lenVec3(i),this._polar=Math.acos(i[1]/this._radius),this._azimuth=Math.atan2(i[0],i[2]),this._pivoting=!0}_cameraLookingDownwards(){const e=this._scene.camera,t=p.normalizeVec3(p.subVec3(e.look,e.eye,Fh)),s=p.cross3Vec3(t,e.worldUp,Hh);return p.sqLenVec3(s)<=1e-4}getPivoting(){return this._pivoting}setPivotPos(e){this._pivotWorldPos.set(e),this._pivotPosSet=!0}setCanvasPivotPos(e){const t=this._scene.camera,s=Math.abs(p.distVec3(this._scene.center,t.eye)),n=t.project.transposedMatrix,i=n.subarray(8,12),a=n.subarray(12),r=[0,0,-1,1],l=p.dotVec4(r,i)/p.dotVec4(r,a),o=Gh;t.project.unproject(e,l,Vh,jh,o);const c=p.normalizeVec3(p.subVec3(o,t.eye,Fh)),u=p.addVec3(t.eye,p.mulVec3Scalar(c,s,Hh),Uh);this.setPivotPos(u)}getPivotPos(){return this._pivotPosSet?this._pivotWorldPos:this._scene.camera.look}continuePivot(e,t){if(!this._pivoting)return;if(0===e&&0===t)return;const s=this._scene.camera;var n=-e;const i=-t;1===s.worldUp[2]&&(n=-n),this._azimuth+=.01*-n,this._polar+=.01*i,this._polar=p.clamp(this._polar,.001,Math.PI-.001);const a=[this._radius*Math.sin(this._polar)*Math.sin(this._azimuth),this._radius*Math.cos(this._polar),this._radius*Math.sin(this._polar)*Math.cos(this._azimuth)];if(1===s.worldUp[2]){const e=a[1];a[1]=a[2],a[2]=e}const r=p.lenVec3(p.subVec3(s.look,s.eye,p.vec3())),l=this.getPivotPos();p.addVec3(a,l);let o=p.lookAtMat4v(a,l,s.worldUp);o=p.inverseMat4(o);const c=p.transformVec3(o,this._cameraOffset);o[12]-=c[0],o[13]-=c[1],o[14]-=c[2];const u=[o[8],o[9],o[10]];s.eye=[o[12],o[13],o[14]],p.subVec3(s.eye,p.mulVec3Scalar(u,r),s.look),s.up=[o[4],o[5],o[6]],this.showPivot()}showPivot(){this._shown||(null!==this._hideTimeout&&(window.clearTimeout(this._hideTimeout),this._hideTimeout=null),this._pivotElement&&(this.updatePivotElement(),this._pivotElement.style.visibility="visible",this._shown=!0,this._hideTimeout=window.setTimeout((()=>{this.hidePivot()}),1e3)))}hidePivot(){this._shown&&(null!==this._hideTimeout&&(window.clearTimeout(this._hideTimeout),this._hideTimeout=null),this._pivotElement&&(this._pivotElement.style.visibility="hidden"),this._shown=!1)}endPivot(){this._pivoting=!1}destroy(){this._scene.camera.off(this._onViewMatrix),this._scene.camera.off(this._onProjMatrix),this._scene.off(this._onTick)}}class Qh{constructor(e,t){this._scene=e.scene,this._cameraControl=e,this._scene.canvas.canvas.oncontextmenu=function(e){e.preventDefault()},this._configs=t,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick=!1,this.pickCursorPos=p.vec2(),this.picked=!1,this.pickedSurface=!1,this.pickResult=null,this._lastPickedEntityId=null,this._needFireEvents=!1}update(){if(!this._configs.pointerEnabled)return;if(!this.schedulePickEntity&&!this.schedulePickSurface)return;this.picked=!1,this.pickedSurface=!1,this.snappedOrPicked=!1,this.hoveredSnappedOrSurfaceOff=!1,this._needFireEvents=!1;const e=this._cameraControl.hasSubs("hoverSurface");if(this.scheduleSnapOrPick){const e=this._scene.snapPick({canvasPos:this.pickCursorPos,snapRadius:this._configs.snapRadius,snapMode:this._configs.snapMode});e&&e.snappedWorldPos?(this.snapPickResult=e,this.snappedOrPicked=!0,this._needFireEvents=!0):(this.schedulePickSurface=!0,this.snapPickResult=null)}if(this.schedulePickSurface&&this.pickResult&&this.pickResult.worldPos){const t=this.pickResult.canvasPos;if(t[0]===this.pickCursorPos[0]&&t[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!0,this._needFireEvents=e,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.hoveredSnappedOrSurfaceOff=!0,void(this.scheduleSnapOrPick=!1)}if(this.schedulePickEntity&&this.pickResult&&(this.pickResult.canvasPos||this.pickResult.snappedCanvasPos)){const e=this.pickResult.canvasPos||this.pickResult.snappedCanvasPos;if(e[0]===this.pickCursorPos[0]&&e[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!1,this._needFireEvents=!1,this.schedulePickEntity=!1,void(this.schedulePickSurface=!1)}this.schedulePickSurface||this.scheduleSnapOrPick&&!this.snapPickResult?(this.pickResult=this._scene.pick({pickSurface:!0,pickSurfaceNormal:!1,canvasPos:this.pickCursorPos}),this.pickResult?(this.picked=!0,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.pickedSurface=!0,this._needFireEvents=!0):this.scheduleSnapOrPick&&(this.hoveredSnappedOrSurfaceOff=!0,this._needFireEvents=!0)):(this.pickResult=this._scene.pick({canvasPos:this.pickCursorPos}),this.pickResult&&(this.picked=!0,this.pickedSurface=!1,this._needFireEvents=!0)),this.scheduleSnapOrPick=!1,this.schedulePickEntity=!1,this.schedulePickSurface=!1}fireEvents(){if(this._needFireEvents){if(this.hoveredSnappedOrSurfaceOff&&this._cameraControl.fire("hoverSnapOrSurfaceOff",{canvasPos:this.pickCursorPos},!0),this.snappedOrPicked)if(this.snapPickResult){const e=new me;e.worldPos=this.snapPickResult.snappedWorldPos,e.canvasPos=this.snapPickResult.snappedCanvasPos,this._cameraControl.fire("hoverSnapOrSurface",e,!0),this.snapPickResult=null}else this._cameraControl.fire("hoverSnapOrSurface",this.pickResult,!0);if(this.picked&&this.pickResult&&(this.pickResult.entity||this.pickResult.worldPos)){if(this.pickResult.entity){const e=this.pickResult.entity.id;this._lastPickedEntityId!==e&&(void 0!==this._lastPickedEntityId&&this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._cameraControl.fire("hoverEnter",this.pickResult,!0),this._lastPickedEntityId=e)}this._cameraControl.fire("hover",this.pickResult,!0),this.pickResult.worldPos&&(this.pickedSurface=!0,this._cameraControl.fire("hoverSurface",this.pickResult,!0))}else void 0!==this._lastPickedEntityId&&(this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),this._cameraControl.fire("hoverOff",{canvasPos:this.pickCursorPos},!0);this.pickResult=null,this._needFireEvents=!1}}destroy(){}}const Wh=p.vec2();class zh{constructor(e,t,s,n,i){this._scene=e;const a=t.pickController;let r,l,o,c=0,u=0,h=0,A=0,d=!1;const f=p.vec3();let I=!0;const y=this._scene.canvas.canvas,m=[];function v(e=!0){y.style.cursor="move",c=n.pointerCanvasPos[0],u=n.pointerCanvasPos[1],h=n.pointerCanvasPos[0],A=n.pointerCanvasPos[1],e&&(a.pickCursorPos=n.pointerCanvasPos,a.schedulePickSurface=!0,a.update(),a.picked&&a.pickedSurface&&a.pickResult&&a.pickResult.worldPos?(d=!0,f.set(a.pickResult.worldPos)):d=!1)}document.addEventListener("keydown",this._documentKeyDownHandler=t=>{if(!s.active||!s.pointerEnabled||!e.input.keyboardEnabled)return;const n=t.keyCode;m[n]=!0}),document.addEventListener("keyup",this._documentKeyUpHandler=t=>{if(!s.active||!s.pointerEnabled||!e.input.keyboardEnabled)return;const n=t.keyCode;m[n]=!1}),y.addEventListener("mousedown",this._mouseDownHandler=t=>{if(s.active&&s.pointerEnabled)switch(t.which){case 1:m[e.input.KEY_SHIFT]||s.planView?(r=!0,v()):(r=!0,v(!1));break;case 2:l=!0,v();break;case 3:o=!0,s.panRightClick&&v()}}),document.addEventListener("mousemove",this._documentMouseMoveHandler=()=>{if(!s.active||!s.pointerEnabled)return;if(!r&&!l&&!o)return;const t=e.canvas.boundary,a=t[2],h=t[3],A=n.pointerCanvasPos[0],I=n.pointerCanvasPos[1];if(m[e.input.KEY_SHIFT]||s.planView||!s.panRightClick&&l||s.panRightClick&&o){const t=A-c,s=I-u,n=e.camera;if("perspective"===n.projection){const a=Math.abs(d?p.lenVec3(p.subVec3(f,e.camera.eye,[])):e.camera.eyeLookDist)*Math.tan(n.perspective.fov/2*Math.PI/180);i.panDeltaX+=1.5*t*a/h,i.panDeltaY+=1.5*s*a/h}else i.panDeltaX+=.5*n.ortho.scale*(t/h),i.panDeltaY+=.5*n.ortho.scale*(s/h)}else!r||l||o||s.planView||(s.firstPerson?(i.rotateDeltaY-=(A-c)/a*s.dragRotationRate/2,i.rotateDeltaX+=(I-u)/h*(s.dragRotationRate/4)):(i.rotateDeltaY-=(A-c)/a*(1.5*s.dragRotationRate),i.rotateDeltaX+=(I-u)/h*(1.5*s.dragRotationRate)));c=A,u=I}),y.addEventListener("mousemove",this._canvasMouseMoveHandler=e=>{s.active&&s.pointerEnabled&&n.mouseover&&(I=!0)}),document.addEventListener("mouseup",this._documentMouseUpHandler=e=>{if(s.active&&s.pointerEnabled)switch(e.which){case 1:case 2:case 3:r=!1,l=!1,o=!1}}),y.addEventListener("mouseup",this._mouseUpHandler=e=>{if(s.active&&s.pointerEnabled){if(3===e.which){!function(e,t){if(e){let s=e.target,n=0,i=0,a=0,r=0;for(;s.offsetParent;)n+=s.offsetLeft,i+=s.offsetTop,a+=s.scrollLeft,r+=s.scrollTop,s=s.offsetParent;t[0]=e.pageX+a-n,t[1]=e.pageY+r-i}else e=window.event,t[0]=e.x,t[1]=e.y}(e,Wh);const s=Wh[0],n=Wh[1];Math.abs(s-h)<3&&Math.abs(n-A)<3&&t.cameraControl.fire("rightClick",{pagePos:[Math.round(e.pageX),Math.round(e.pageY)],canvasPos:Wh,event:e},!0)}y.style.removeProperty("cursor")}}),y.addEventListener("mouseenter",this._mouseEnterHandler=()=>{s.active&&s.pointerEnabled});const w=1/60;let g=null;y.addEventListener("wheel",this._mouseWheelHandler=e=>{if(!s.active||!s.pointerEnabled)return;const t=performance.now()/1e3;var a=null!==g?t-g:0;g=t,a>.05&&(a=.05),a<w&&(a=w);const r=Math.max(-1,Math.min(1,40*-e.deltaY));if(0===r)return;const l=r/Math.abs(r);i.dollyDelta+=-l*a*s.mouseWheelDollyRate,I&&(n.followPointerDirty=!0,I=!1)},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("keydown",this._documentKeyDownHandler),document.removeEventListener("keyup",this._documentKeyUpHandler),e.removeEventListener("mousedown",this._mouseDownHandler),document.removeEventListener("mousemove",this._documentMouseMoveHandler),e.removeEventListener("mousemove",this._canvasMouseMoveHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._mouseUpHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("wheel",this._mouseWheelHandler)}}const Kh=p.vec3(),Yh=p.vec3(),Xh=p.vec3(),qh=p.vec3(),Jh=p.vec3(),Zh={eye:p.vec3(),look:p.vec3(),up:p.vec3()};class $h{constructor(e,t,s,n){this._scene=e;const i=t.cameraControl,a=e.camera;this._onSceneKeyDown=e.input.on("keydown",(()=>{if(!s.active||!s.pointerEnabled||!e.input.keyboardEnabled)return;if(!n.mouseover)return;const r=i._isKeyDownForAction(i.AXIS_VIEW_RIGHT),l=i._isKeyDownForAction(i.AXIS_VIEW_BACK),o=i._isKeyDownForAction(i.AXIS_VIEW_LEFT),c=i._isKeyDownForAction(i.AXIS_VIEW_FRONT),u=i._isKeyDownForAction(i.AXIS_VIEW_TOP),h=i._isKeyDownForAction(i.AXIS_VIEW_BOTTOM);if(!(r||l||o||c||u||h))return;const A=e.aabb,d=p.getAABB3Diag(A);p.getAABB3Center(A,Kh);const f=Math.abs(d/Math.tan(t.cameraFlight.fitFOV*p.DEGTORAD)),I=1.1*d;Zh.orthoScale=I,r?(Zh.eye.set(p.addVec3(Kh,p.mulVec3Scalar(a.worldRight,f,Yh),Jh)),Zh.look.set(Kh),Zh.up.set(a.worldUp)):l?(Zh.eye.set(p.addVec3(Kh,p.mulVec3Scalar(a.worldForward,f,Yh),Jh)),Zh.look.set(Kh),Zh.up.set(a.worldUp)):o?(Zh.eye.set(p.addVec3(Kh,p.mulVec3Scalar(a.worldRight,-f,Yh),Jh)),Zh.look.set(Kh),Zh.up.set(a.worldUp)):c?(Zh.eye.set(p.addVec3(Kh,p.mulVec3Scalar(a.worldForward,-f,Yh),Jh)),Zh.look.set(Kh),Zh.up.set(a.worldUp)):u?(Zh.eye.set(p.addVec3(Kh,p.mulVec3Scalar(a.worldUp,f,Yh),Jh)),Zh.look.set(Kh),Zh.up.set(p.normalizeVec3(p.mulVec3Scalar(a.worldForward,1,Xh),qh))):h&&(Zh.eye.set(p.addVec3(Kh,p.mulVec3Scalar(a.worldUp,-f,Yh),Jh)),Zh.look.set(Kh),Zh.up.set(p.normalizeVec3(p.mulVec3Scalar(a.worldForward,-1,Xh)))),!s.firstPerson&&s.followPointer&&t.pivotController.setPivotPos(Kh),t.cameraFlight.duration>0?t.cameraFlight.flyTo(Zh,(()=>{t.pivotController.getPivoting()&&s.followPointer&&t.pivotController.showPivot()})):(t.cameraFlight.jumpTo(Zh),t.pivotController.getPivoting()&&s.followPointer&&t.pivotController.showPivot())}))}reset(){}destroy(){this._scene.input.off(this._onSceneKeyDown)}}class ep{constructor(e,t,s,n,i){this._scene=e;const a=t.pickController,r=t.pivotController,l=t.cameraControl;this._clicks=0,this._timeout=null,this._lastPickedEntityId=null;let o=!1,c=!1;const u=this._scene.canvas.canvas,h=s=>{let n;s&&s.worldPos&&(n=s.worldPos);const i=s&&s.entity?s.entity.aabb:e.aabb;if(n){const s=e.camera;p.subVec3(s.eye,s.look,[]),t.cameraFlight.flyTo({aabb:i})}else t.cameraFlight.flyTo({aabb:i})};u.addEventListener("mousemove",this._canvasMouseMoveHandler=t=>{if(!s.active||!s.pointerEnabled)return;if(o||c)return;const i=l.hasSubs("hover"),r=l.hasSubs("hoverOut"),u=l.hasSubs("hoverOff"),h=l.hasSubs("hoverSurface"),p=l.hasSubs("hoverSnapOrSurface");if(i||r||u||h||p)if(a.pickCursorPos=n.pointerCanvasPos,a.schedulePickEntity=!0,a.schedulePickSurface=h,a.scheduleSnapOrPick=p,a.update(),a.pickResult){if(a.pickResult.entity){const t=a.pickResult.entity.id;this._lastPickedEntityId!==t&&(void 0!==this._lastPickedEntityId&&l.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),l.fire("hoverEnter",a.pickResult,!0),this._lastPickedEntityId=t)}l.fire("hover",a.pickResult,!0),(a.pickResult.worldPos||a.pickResult.snappedWorldPos)&&l.fire("hoverSurface",a.pickResult,!0)}else void 0!==this._lastPickedEntityId&&(l.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),l.fire("hoverOff",{canvasPos:a.pickCursorPos},!0)}),u.addEventListener("mousedown",this._canvasMouseDownHandler=t=>{1===t.which&&(o=!0),3===t.which&&(c=!0);if(1===t.which&&s.active&&s.pointerEnabled&&(n.mouseDownClientX=t.clientX,n.mouseDownClientY=t.clientY,n.mouseDownCursorX=n.pointerCanvasPos[0],n.mouseDownCursorY=n.pointerCanvasPos[1],!s.firstPerson&&s.followPointer&&(a.pickCursorPos=n.pointerCanvasPos,a.schedulePickSurface=!0,a.update(),1===t.which))){const t=a.pickResult;t&&t.worldPos?(r.setPivotPos(t.worldPos),r.startPivot()):(s.smartPivot?r.setCanvasPivotPos(n.pointerCanvasPos):r.setPivotPos(e.camera.look),r.startPivot())}}),document.addEventListener("mouseup",this._documentMouseUpHandler=e=>{1===e.which&&(o=!1),3===e.which&&(c=!1)}),u.addEventListener("mouseup",this._canvasMouseUpHandler=i=>{if(!s.active||!s.pointerEnabled)return;if(!(1===i.which))return;if(r.hidePivot(),Math.abs(i.clientX-n.mouseDownClientX)>3||Math.abs(i.clientY-n.mouseDownClientY)>3)return;const o=l.hasSubs("picked"),c=l.hasSubs("pickedNothing"),u=l.hasSubs("pickedSurface"),A=l.hasSubs("doublePicked"),d=l.hasSubs("doublePickedSurface"),f=l.hasSubs("doublePickedNothing");if(!(s.doublePickFlyTo||A||d||f))return(o||c||u)&&(a.pickCursorPos=n.pointerCanvasPos,a.schedulePickEntity=!0,a.schedulePickSurface=u,a.update(),a.pickResult?(l.fire("picked",a.pickResult,!0),a.pickedSurface&&l.fire("pickedSurface",a.pickResult,!0)):l.fire("pickedNothing",{canvasPos:n.pointerCanvasPos},!0)),void(this._clicks=0);if(this._clicks++,1===this._clicks){a.pickCursorPos=n.pointerCanvasPos,a.schedulePickEntity=s.doublePickFlyTo,a.schedulePickSurface=u,a.update();const e=a.pickResult,i=a.pickedSurface;this._timeout=setTimeout((()=>{e?(l.fire("picked",e,!0),i&&(l.fire("pickedSurface",e,!0),!s.firstPerson&&s.followPointer&&(t.pivotController.setPivotPos(e.worldPos),t.pivotController.startPivot()&&t.pivotController.showPivot()))):l.fire("pickedNothing",{canvasPos:n.pointerCanvasPos},!0),this._clicks=0}),s.doubleClickTimeFrame)}else{if(null!==this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null),a.pickCursorPos=n.pointerCanvasPos,a.schedulePickEntity=s.doublePickFlyTo||A||d,a.schedulePickSurface=a.schedulePickEntity&&d,a.update(),a.pickResult){if(l.fire("doublePicked",a.pickResult,!0),a.pickedSurface&&l.fire("doublePickedSurface",a.pickResult,!0),s.doublePickFlyTo&&(h(a.pickResult),!s.firstPerson&&s.followPointer)){const e=a.pickResult.entity.aabb,s=p.getAABB3Center(e);t.pivotController.setPivotPos(s),t.pivotController.startPivot()&&t.pivotController.showPivot()}}else if(l.fire("doublePickedNothing",{canvasPos:n.pointerCanvasPos},!0),s.doublePickFlyTo&&(h(),!s.firstPerson&&s.followPointer)){const s=e.aabb,n=p.getAABB3Center(s);t.pivotController.setPivotPos(n),t.pivotController.startPivot()&&t.pivotController.showPivot()}this._clicks=0}},!1)}reset(){this._clicks=0,this._lastPickedEntityId=null,this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("mousemove",this._canvasMouseMoveHandler),e.removeEventListener("mousedown",this._canvasMouseDownHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._canvasMouseUpHandler),this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}}class tp{constructor(e,t,s,n,i){this._scene=e;const a=e.input,r=[],l=e.canvas.canvas;let o=!0;this._onSceneMouseMove=a.on("mousemove",(()=>{o=!0})),this._onSceneKeyDown=a.on("keydown",(t=>{s.active&&s.pointerEnabled&&e.input.keyboardEnabled&&n.mouseover&&(r[t]=!0,t===a.KEY_SHIFT&&(l.style.cursor="move"))})),this._onSceneKeyUp=a.on("keyup",(t=>{s.active&&s.pointerEnabled&&e.input.keyboardEnabled&&(r[t]=!1,t===a.KEY_SHIFT&&(l.style.cursor=null))})),this._onTick=e.on("tick",(l=>{if(!s.active||!s.pointerEnabled||!e.input.keyboardEnabled)return;if(!n.mouseover)return;const c=t.cameraControl,u=l.deltaTime/1e3;if(!s.planView){const e=c._isKeyDownForAction(c.ROTATE_Y_POS,r),n=c._isKeyDownForAction(c.ROTATE_Y_NEG,r),a=c._isKeyDownForAction(c.ROTATE_X_POS,r),l=c._isKeyDownForAction(c.ROTATE_X_NEG,r),o=u*s.keyboardRotationRate;(e||n||a||l)&&(!s.firstPerson&&s.followPointer&&t.pivotController.startPivot(),e?i.rotateDeltaY+=o:n&&(i.rotateDeltaY-=o),a?i.rotateDeltaX+=o:l&&(i.rotateDeltaX-=o),!s.firstPerson&&s.followPointer&&t.pivotController.startPivot())}if(!r[a.KEY_CTRL]&&!r[a.KEY_ALT]){const e=c._isKeyDownForAction(c.DOLLY_BACKWARDS,r),a=c._isKeyDownForAction(c.DOLLY_FORWARDS,r);if(e||a){const r=u*s.keyboardDollyRate;!s.firstPerson&&s.followPointer&&t.pivotController.startPivot(),a?i.dollyDelta-=r:e&&(i.dollyDelta+=r),o&&(n.followPointerDirty=!0,o=!1)}}const h=c._isKeyDownForAction(c.PAN_FORWARDS,r),p=c._isKeyDownForAction(c.PAN_BACKWARDS,r),A=c._isKeyDownForAction(c.PAN_LEFT,r),d=c._isKeyDownForAction(c.PAN_RIGHT,r),f=c._isKeyDownForAction(c.PAN_UP,r),I=c._isKeyDownForAction(c.PAN_DOWN,r),y=(r[a.KEY_ALT]?.3:1)*u*s.keyboardPanRate;(h||p||A||d||f||I)&&(!s.firstPerson&&s.followPointer&&t.pivotController.startPivot(),I?i.panDeltaY+=y:f&&(i.panDeltaY+=-y),d?i.panDeltaX+=-y:A&&(i.panDeltaX+=y),p?i.panDeltaZ+=y:h&&(i.panDeltaZ+=-y))}))}reset(){}destroy(){this._scene.off(this._onTick),this._scene.input.off(this._onSceneMouseMove),this._scene.input.off(this._onSceneKeyDown),this._scene.input.off(this._onSceneKeyUp)}}const sp=p.vec3();class np{constructor(e,t,s,n,i){this._scene=e;const a=e.camera,r=t.pickController,l=t.pivotController,o=t.panController;let c=1,u=1,h=null;this._onTick=e.on("tick",(()=>{if(!s.active||!s.pointerEnabled)return;let t="default";if(Math.abs(i.dollyDelta)<.001&&(i.dollyDelta=0),Math.abs(i.rotateDeltaX)<.001&&(i.rotateDeltaX=0),Math.abs(i.rotateDeltaY)<.001&&(i.rotateDeltaY=0),0===i.rotateDeltaX&&0===i.rotateDeltaY||(i.dollyDelta=0),s.followPointer&&--c<=0&&(c=1,0!==i.dollyDelta)){if(0===i.rotateDeltaY&&0===i.rotateDeltaX&&s.followPointer&&n.followPointerDirty&&(r.pickCursorPos=n.pointerCanvasPos,r.schedulePickSurface=!0,r.update(),r.pickResult&&r.pickResult.worldPos?h=r.pickResult.worldPos:(u=1,h=null),n.followPointerDirty=!1),h){const t=Math.abs(p.lenVec3(p.subVec3(h,e.camera.eye,sp)));u=t/s.dollyProximityThreshold}u<s.dollyMinSpeed&&(u=s.dollyMinSpeed)}const A=i.dollyDelta*u;if(0===i.rotateDeltaY&&0===i.rotateDeltaX||(!s.firstPerson&&s.followPointer&&l.getPivoting()?(l.continuePivot(i.rotateDeltaY,i.rotateDeltaX),l.showPivot()):(0!==i.rotateDeltaX&&(s.firstPerson?a.pitch(-i.rotateDeltaX):a.orbitPitch(i.rotateDeltaX)),0!==i.rotateDeltaY&&(s.firstPerson?a.yaw(i.rotateDeltaY):a.orbitYaw(i.rotateDeltaY))),i.rotateDeltaX*=s.rotationInertia,i.rotateDeltaY*=s.rotationInertia,t="grabbing"),Math.abs(i.panDeltaX)<.001&&(i.panDeltaX=0),Math.abs(i.panDeltaY)<.001&&(i.panDeltaY=0),Math.abs(i.panDeltaZ)<.001&&(i.panDeltaZ=0),0!==i.panDeltaX||0!==i.panDeltaY||0!==i.panDeltaZ){const e=p.vec3();let n,r;if(e[0]=i.panDeltaX,e[1]=i.panDeltaY,e[2]=i.panDeltaZ,s.constrainVertical){a.xUp?(n=a.eye[0],r=a.look[0]):a.yUp?(n=a.eye[1],r=a.look[1]):a.zUp&&(n=a.eye[2],r=a.look[2]),a.pan(e);const t=a.eye,s=a.look;a.xUp?(t[0]=n,s[0]=r):a.yUp?(t[1]=n,s[1]=r):a.zUp&&(t[2]=n,s[2]=r),a.eye=t,a.look=s}else a.pan(e);t="grabbing"}if(i.panDeltaX*=s.panInertia,i.panDeltaY*=s.panInertia,i.panDeltaZ*=s.panInertia,0!==A){if(t=A<0?"zoom-in":"zoom-out",s.firstPerson){let e,t;if(s.constrainVertical&&(a.xUp?(e=a.eye[0],t=a.look[0]):a.yUp?(e=a.eye[1],t=a.look[1]):a.zUp&&(e=a.eye[2],t=a.look[2])),s.followPointer){o.dollyToCanvasPos(h,n.pointerCanvasPos,-A)&&(n.followPointerDirty=!0)}else a.pan([0,0,A]),a.ortho.scale=a.ortho.scale-A;if(s.constrainVertical){const s=a.eye,n=a.look;a.xUp?(s[0]=e,n[0]=t):a.yUp?(s[1]=e,n[1]=t):a.zUp&&(s[2]=e,n[2]=t),a.eye=s,a.look=n}}else if(s.planView)if(s.followPointer){o.dollyToCanvasPos(h,n.pointerCanvasPos,-A)&&(n.followPointerDirty=!0)}else a.ortho.scale=a.ortho.scale+A,a.zoom(A);else if(s.followPointer){o.dollyToCanvasPos(h,n.pointerCanvasPos,-A)&&(n.followPointerDirty=!0)}else a.ortho.scale=a.ortho.scale+A,a.zoom(A);i.dollyDelta*=s.dollyInertia}r.fireEvents(),document.body.style.cursor=t}))}destroy(){this._scene.off(this._onTick)}}class ip{constructor(e,t,s,n,i){this._scene=e;const a=this._scene.canvas.canvas;a.addEventListener("mouseenter",this._mouseEnterHandler=()=>{n.mouseover=!0}),a.addEventListener("mouseleave",this._mouseLeaveHandler=()=>{n.mouseover=!1,a.style.cursor=null}),document.addEventListener("mousemove",this._mouseMoveHandler=e=>{ap(e,a,n.pointerCanvasPos)}),a.addEventListener("mousedown",this._mouseDownHandler=e=>{s.active&&s.pointerEnabled&&(ap(e,a,n.pointerCanvasPos),n.mouseover=!0)}),a.addEventListener("mouseup",this._mouseUpHandler=e=>{s.active&&s.pointerEnabled})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("mousemove",this._mouseMoveHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("mouseleave",this._mouseLeaveHandler),e.removeEventListener("mousedown",this._mouseDownHandler),e.removeEventListener("mouseup",this._mouseUpHandler)}}function ap(e,t,s){if(e){const{x:n,y:i}=t.getBoundingClientRect();s[0]=e.clientX-n,s[1]=e.clientY-i}else e=window.event,s[0]=e.x,s[1]=e.y;return s}const rp=function(e,t){if(e){let s=e.target,n=0,i=0;for(;s.offsetParent;)n+=s.offsetLeft,i+=s.offsetTop,s=s.offsetParent;t[0]=e.pageX-n,t[1]=e.pageY-i}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class lp{constructor(e,t,s,n,i){this._scene=e;const a=t.pickController,r=t.pivotController,l=p.vec2(),o=p.vec2(),c=p.vec2(),u=p.vec2(),h=[],A=this._scene.canvas.canvas;let d=0,f=!1;this._onTick=e.on("tick",(()=>{f=!1})),A.addEventListener("touchstart",this._canvasTouchStartHandler=t=>{if(!s.active||!s.pointerEnabled)return;t.preventDefault();const i=t.touches,o=t.changedTouches;for(n.touchStartTime=Date.now(),1===i.length&&1===o.length&&(rp(i[0],l),s.followPointer&&(a.pickCursorPos=l,a.schedulePickSurface=!0,a.update(),s.planView||(a.picked&&a.pickedSurface&&a.pickResult&&a.pickResult.worldPos?(r.setPivotPos(a.pickResult.worldPos),!s.firstPerson&&r.startPivot()&&r.showPivot()):(s.smartPivot?r.setCanvasPivotPos(n.pointerCanvasPos):r.setPivotPos(e.camera.look),!s.firstPerson&&r.startPivot()&&r.showPivot()))));h.length<i.length;)h.push(p.vec2());for(let e=0,t=i.length;e<t;++e)rp(i[e],h[e]);d=i.length}),A.addEventListener("touchmove",this._canvasTouchMoveHandler=t=>{if(!s.active||!s.pointerEnabled)return;if(t.stopPropagation(),t.preventDefault(),f)return;f=!0;const r=e.canvas.boundary,l=r[2],A=r[3],I=t.touches;if(t.touches.length===d){if(1===d){rp(I[0],o),p.subVec2(o,h[0],u);const t=u[0],a=u[1];if(null!==n.longTouchTimeout&&(Math.abs(t)>s.longTapRadius||Math.abs(a)>s.longTapRadius)&&(clearTimeout(n.longTouchTimeout),n.longTouchTimeout=null),s.planView){const n=e.camera;if("perspective"===n.projection){const r=Math.abs(e.camera.eyeLookDist)*Math.tan(n.perspective.fov/2*Math.PI/180);i.panDeltaX+=t*r/A*s.touchPanRate,i.panDeltaY+=a*r/A*s.touchPanRate}else i.panDeltaX+=.5*n.ortho.scale*(t/A)*s.touchPanRate,i.panDeltaY+=.5*n.ortho.scale*(a/A)*s.touchPanRate}else i.rotateDeltaY-=t/l*(1*s.dragRotationRate),i.rotateDeltaX+=a/A*(1.5*s.dragRotationRate)}else if(2===d){const t=I[0],r=I[1];rp(t,o),rp(r,c);const l=p.geometricMeanVec2(h[0],h[1]),u=p.geometricMeanVec2(o,c),d=p.vec2();p.subVec2(l,u,d);const f=d[0],y=d[1],m=e.camera,v=p.distVec2([t.pageX,t.pageY],[r.pageX,r.pageY]),w=(p.distVec2(h[0],h[1])-v)*s.touchDollyRate;if(i.dollyDelta=w,Math.abs(w)<1)if("perspective"===m.projection){const t=a.pickResult?a.pickResult.worldPos:e.center,n=Math.abs(p.lenVec3(p.subVec3(t,e.camera.eye,[])))*Math.tan(m.perspective.fov/2*Math.PI/180);i.panDeltaX-=f*n/A*s.touchPanRate,i.panDeltaY-=y*n/A*s.touchPanRate}else i.panDeltaX-=.5*m.ortho.scale*(f/A)*s.touchPanRate,i.panDeltaY-=.5*m.ortho.scale*(y/A)*s.touchPanRate;n.pointerCanvasPos=u}for(let e=0;e<d;++e)rp(I[e],h[e])}})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchmove",this._canvasTouchMoveHandler),this._scene.off(this._onTick)}}const op=function(e,t){if(e){let s=e.target,n=0,i=0;for(;s.offsetParent;)n+=s.offsetLeft,i+=s.offsetTop,s=s.offsetParent;t[0]=e.pageX-n,t[1]=e.pageY-i}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class cp{constructor(e,t,s,n,i){this._scene=e;const a=t.pickController,r=t.cameraControl;let l;const o=[],c=new Float32Array(2);let u=-1,h=-1;const A=this._scene.canvas.canvas,d=s=>{let n;s&&s.worldPos&&(n=s.worldPos);const i=s?s.entity.aabb:e.aabb;if(n){const s=e.camera;p.subVec3(s.eye,s.look,[]),t.cameraFlight.flyTo({aabb:i})}else t.cameraFlight.flyTo({aabb:i})};A.addEventListener("touchstart",this._canvasTouchStartHandler=e=>{if(!s.active||!s.pointerEnabled)return;null!==n.longTouchTimeout&&(clearTimeout(n.longTouchTimeout),n.longTouchTimeout=null);const i=e.touches,a=e.changedTouches;if(l=Date.now(),1===i.length&&1===a.length){u=l,op(i[0],c);const a=c[0],r=c[1],o=i[0].pageX,h=i[0].pageY;n.longTouchTimeout=setTimeout((()=>{t.cameraControl.fire("rightClick",{pagePos:[Math.round(o),Math.round(h)],canvasPos:[Math.round(a),Math.round(r)],event:e},!0),n.longTouchTimeout=null}),s.longTapTimeout)}else u=-1;for(;o.length<i.length;)o.push(new Float32Array(2));for(let e=0,t=i.length;e<t;++e)op(i[e],o[e]);o.length=i.length},{passive:!0}),A.addEventListener("touchend",this._canvasTouchEndHandler=e=>{if(!s.active||!s.pointerEnabled)return;const t=Date.now(),i=e.touches,l=e.changedTouches,A=r.hasSubs("pickedSurface");null!==n.longTouchTimeout&&(clearTimeout(n.longTouchTimeout),n.longTouchTimeout=null),0===i.length&&1===l.length&&u>-1&&t-u<150&&(h>-1&&u-h<325?(op(l[0],a.pickCursorPos),a.schedulePickEntity=!0,a.schedulePickSurface=A,a.update(),a.pickResult?(a.pickResult.touchInput=!0,r.fire("doublePicked",a.pickResult),a.pickedSurface&&r.fire("doublePickedSurface",a.pickResult),s.doublePickFlyTo&&d(a.pickResult)):(r.fire("doublePickedNothing"),s.doublePickFlyTo&&d()),h=-1):p.distVec2(o[0],c)<4&&(op(l[0],a.pickCursorPos),a.schedulePickEntity=!0,a.schedulePickSurface=A,a.update(),a.pickResult?(a.pickResult.touchInput=!0,r.fire("picked",a.pickResult),a.pickedSurface&&r.fire("pickedSurface",a.pickResult)):r.fire("pickedNothing"),h=t),u=-1),o.length=i.length;for(let e=0,t=i.length;e<t;++e)o[e][0]=i[e].pageX,o[e][1]=i[e].pageY},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler)}}class up extends _{constructor(e,t={}){super(e,t),this.PAN_LEFT=0,this.PAN_RIGHT=1,this.PAN_UP=2,this.PAN_DOWN=3,this.PAN_FORWARDS=4,this.PAN_BACKWARDS=5,this.ROTATE_X_POS=6,this.ROTATE_X_NEG=7,this.ROTATE_Y_POS=8,this.ROTATE_Y_NEG=9,this.DOLLY_FORWARDS=10,this.DOLLY_BACKWARDS=11,this.AXIS_VIEW_RIGHT=12,this.AXIS_VIEW_BACK=13,this.AXIS_VIEW_LEFT=14,this.AXIS_VIEW_FRONT=15,this.AXIS_VIEW_TOP=16,this.AXIS_VIEW_BOTTOM=17,this._keyMap={},this.scene.canvas.canvas.oncontextmenu=e=>{e.preventDefault()},this._configs={longTapTimeout:600,longTapRadius:5,active:!0,keyboardLayout:"qwerty",navMode:"orbit",planView:!1,firstPerson:!1,followPointer:!0,doublePickFlyTo:!0,panRightClick:!0,showPivot:!1,pointerEnabled:!0,constrainVertical:!1,smartPivot:!1,doubleClickTimeFrame:250,snapMode:"vertex",snapRadius:30,dragRotationRate:360,keyboardRotationRate:90,rotationInertia:0,keyboardPanRate:1,touchPanRate:1,panInertia:.5,keyboardDollyRate:10,mouseWheelDollyRate:100,touchDollyRate:.2,dollyInertia:0,dollyProximityThreshold:30,dollyMinSpeed:.04},this._states={pointerCanvasPos:p.vec2(),mouseover:!1,followPointerDirty:!0,mouseDownClientX:0,mouseDownClientY:0,mouseDownCursorX:0,mouseDownCursorY:0,touchStartTime:null,activeTouches:[],tapStartPos:p.vec2(),tapStartTime:-1,lastTapTime:-1,longTouchTimeout:null},this._updates={rotateDeltaX:0,rotateDeltaY:0,panDeltaX:0,panDeltaY:0,panDeltaZ:0,dollyDelta:0};const s=this.scene;this._controllers={cameraControl:this,pickController:new Qh(this,this._configs),pivotController:new kh(s,this._configs),panController:new Mh(s),cameraFlight:new Fa(this,{duration:.5})},this._handlers=[new ip(this.scene,this._controllers,this._configs,this._states,this._updates),new lp(this.scene,this._controllers,this._configs,this._states,this._updates),new zh(this.scene,this._controllers,this._configs,this._states,this._updates),new $h(this.scene,this._controllers,this._configs,this._states,this._updates),new ep(this.scene,this._controllers,this._configs,this._states,this._updates),new cp(this.scene,this._controllers,this._configs,this._states,this._updates),new tp(this.scene,this._controllers,this._configs,this._states,this._updates)],this._cameraUpdater=new np(this.scene,this._controllers,this._configs,this._states,this._updates),this.navMode=t.navMode,t.planView&&(this.planView=t.planView),this.constrainVertical=t.constrainVertical,t.keyboardLayout?this.keyboardLayout=t.keyboardLayout:this.keyMap=t.keyMap,this.doublePickFlyTo=t.doublePickFlyTo,this.panRightClick=t.panRightClick,this.active=t.active,this.followPointer=t.followPointer,this.rotationInertia=t.rotationInertia,this.keyboardPanRate=t.keyboardPanRate,this.touchPanRate=t.touchPanRate,this.keyboardRotationRate=t.keyboardRotationRate,this.dragRotationRate=t.dragRotationRate,this.touchDollyRate=t.touchDollyRate,this.dollyInertia=t.dollyInertia,this.dollyProximityThreshold=t.dollyProximityThreshold,this.dollyMinSpeed=t.dollyMinSpeed,this.panInertia=t.panInertia,this.pointerEnabled=!0,this.keyboardDollyRate=t.keyboardDollyRate,this.mouseWheelDollyRate=t.mouseWheelDollyRate}set keyMap(e){if(e=e||"qwerty",m.isString(e)){const t=this.scene.input,s={};switch(e){default:this.error("Unsupported value for 'keyMap': "+e+" defaulting to 'qwerty'");case"qwerty":s[this.PAN_LEFT]=[t.KEY_A],s[this.PAN_RIGHT]=[t.KEY_D],s[this.PAN_UP]=[t.KEY_Z],s[this.PAN_DOWN]=[t.KEY_X],s[this.PAN_BACKWARDS]=[],s[this.PAN_FORWARDS]=[],s[this.DOLLY_FORWARDS]=[t.KEY_W,t.KEY_ADD],s[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],s[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],s[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],s[this.ROTATE_Y_POS]=[t.KEY_Q,t.KEY_LEFT_ARROW],s[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],s[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],s[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],s[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],s[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],s[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],s[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6];break;case"azerty":s[this.PAN_LEFT]=[t.KEY_Q],s[this.PAN_RIGHT]=[t.KEY_D],s[this.PAN_UP]=[t.KEY_W],s[this.PAN_DOWN]=[t.KEY_X],s[this.PAN_BACKWARDS]=[],s[this.PAN_FORWARDS]=[],s[this.DOLLY_FORWARDS]=[t.KEY_Z,t.KEY_ADD],s[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],s[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],s[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],s[this.ROTATE_Y_POS]=[t.KEY_A,t.KEY_LEFT_ARROW],s[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],s[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],s[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],s[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],s[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],s[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],s[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6]}this._keyMap=s}else{const t=e;this._keyMap=t}}get keyMap(){return this._keyMap}_isKeyDownForAction(e,t){const s=this._keyMap[e];if(!s)return!1;t||(t=this.scene.input.keyDown);for(let e=0,n=s.length;e<n;e++){if(t[s[e]])return!0}return!1}set pivotElement(e){this._controllers.pivotController.setPivotElement(e)}set active(e){this._configs.active=!1!==e}get active(){return this._configs.active}set snapMode(e){"vertex"!==(e=e||"vertex")&&"edge"!==e&&(this.error("Unsupported value for snapMode: "+e+" - supported values are 'vertex' and 'edge' - defaulting to 'vertex'"),e="vertex"),this._configs.snapMode=e}get snapMode(){return this._configs.snapMode}set snapRadius(e){e=e||30,this._configs.snapRadius=e}get snapRadius(){return this._configs.snapRadius}set navMode(e){"firstPerson"!==(e=e||"orbit")&&"orbit"!==e&&"planView"!==e&&(this.error("Unsupported value for navMode: "+e+" - supported values are 'orbit', 'firstPerson' and 'planView' - defaulting to 'orbit'"),e="orbit"),this._configs.firstPerson="firstPerson"===e,this._configs.planView="planView"===e,(this._configs.firstPerson||this._configs.planView)&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this._configs.navMode=e}get navMode(){return this._configs.navMode}set pointerEnabled(e){this._reset(),this._configs.pointerEnabled=!!e}_reset(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.reset&&t.reset()}this._updates.panDeltaX=0,this._updates.panDeltaY=0,this._updates.rotateDeltaX=0,this._updates.rotateDeltaY=0,this._updates.dolyDelta=0}get pointerEnabled(){return this._configs.pointerEnabled}set followPointer(e){this._configs.followPointer=!1!==e}get followPointer(){return this._configs.followPointer}set pivotPos(e){this._controllers.pivotController.setPivotPos(e)}get pivotPos(){return this._controllers.pivotController.getPivotPos()}set dollyToPointer(e){this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer=e}get dollyToPointer(){return this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer}set panToPointer(e){this.warn("panToPointer property is deprecated - replaced with followPointer")}get panToPointer(){return this.warn("panToPointer property is deprecated - replaced with followPointer"),!1}set planView(e){this._configs.planView=!!e,this._configs.firstPerson=!1,this._configs.planView&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this.warn("planView property is deprecated - replaced with navMode")}get planView(){return this.warn("planView property is deprecated - replaced with navMode"),this._configs.planView}set firstPerson(e){this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson=!!e,this._configs.planView=!1,this._configs.firstPerson&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot())}get firstPerson(){return this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson}set constrainVertical(e){this._configs.constrainVertical=!!e}get constrainVertical(){return this._configs.constrainVertical}set doublePickFlyTo(e){this._configs.doublePickFlyTo=!1!==e}get doublePickFlyTo(){return this._configs.doublePickFlyTo}set panRightClick(e){this._configs.panRightClick=!1!==e}get panRightClick(){return this._configs.panRightClick}set rotationInertia(e){this._configs.rotationInertia=null!=e?e:0}get rotationInertia(){return this._configs.rotationInertia}set keyboardPanRate(e){this._configs.keyboardPanRate=null!=e?e:5}set touchPanRate(e){this._configs.touchPanRate=null!=e?e:1}get touchPanRate(){return this._configs.touchPanRate}get keyboardPanRate(){return this._configs.keyboardPanRate}set keyboardRotationRate(e){this._configs.keyboardRotationRate=null!=e?e:90}get keyboardRotationRate(){return this._configs.keyboardRotationRate}set dragRotationRate(e){this._configs.dragRotationRate=null!=e?e:360}get dragRotationRate(){return this._configs.dragRotationRate}set keyboardDollyRate(e){this._configs.keyboardDollyRate=null!=e?e:15}get keyboardDollyRate(){return this._configs.keyboardDollyRate}set touchDollyRate(e){this._configs.touchDollyRate=null!=e?e:.2}get touchDollyRate(){return this._configs.touchDollyRate}set mouseWheelDollyRate(e){this._configs.mouseWheelDollyRate=null!=e?e:100}get mouseWheelDollyRate(){return this._configs.mouseWheelDollyRate}set dollyInertia(e){this._configs.dollyInertia=null!=e?e:0}get dollyInertia(){return this._configs.dollyInertia}set dollyProximityThreshold(e){this._configs.dollyProximityThreshold=null!=e?e:35}get dollyProximityThreshold(){return this._configs.dollyProximityThreshold}set dollyMinSpeed(e){this._configs.dollyMinSpeed=null!=e?e:.04}get dollyMinSpeed(){return this._configs.dollyMinSpeed}set panInertia(e){this._configs.panInertia=null!=e?e:.5}get panInertia(){return this._configs.panInertia}set keyboardLayout(e){"qwerty"!==(e=e||"qwerty")&&"azerty"!==e&&(this.error("Unsupported value for keyboardLayout - defaulting to 'qwerty'"),e="qwerty"),this._configs.keyboardLayout=e,this.keyMap=this._configs.keyboardLayout}get keyboardLayout(){return this._configs.keyboardLayout}set smartPivot(e){this._configs.smartPivot=!1!==e}get smartPivot(){return this._configs.smartPivot}set doubleClickTimeFrame(e){this._configs.doubleClickTimeFrame=null!=e?e:250}get doubleClickTimeFrame(){return this._configs.doubleClickTimeFrame}destroy(){this._destroyHandlers(),this._destroyControllers(),this._cameraUpdater.destroy(),super.destroy()}_destroyHandlers(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.destroy&&t.destroy()}}_destroyControllers(){for(let e=0,t=this._controllers.length;e<t;e++){const t=this._controllers[e];t.destroy&&t.destroy()}}}class hp{constructor(e,t,s,n,i){this.name=e,this.type=s,this.value=t,this.valueType=n,this.description=i}}class pp{constructor(e){if(this.id=e.id,this.originalSystemId=e.originalSystemId,this.metaModels=[],this.name=e.name,this.type=e.type,this.properties=[],e.properties){const t=e.properties;for(let e=0,s=t.length;e<s;e++){const s=t[e];this.properties.push(new hp(s.name,s.value,s.type,s.valueType,s.description))}}}}class Ap{constructor(e){this.metaModel=null,this.metaModels=[],this.id=e.id,this.parentId=e.parentId,this.parent=null,this.originalSystemId=e.originalSystemId,this.name=e.name,this.type=e.type,this.propertySetIds=e.propertySetIds,this.propertySets=[],this.attributes=e.attributes||{}}getObjectIDsInSubtree(){const e=[];return function t(s){if(!s)return;e.push(s.id);const n=s.children;if(n)for(var i=0,a=n.length;i<a;i++)t(n[i])}(this),e}withMetaObjectsInSubtree(e){!function t(s){if(!s)return;e(s);const n=s.children;if(n)for(var i=0,a=n.length;i<a;i++)t(n[i])}(this)}getObjectIDsInSubtreeByType(e){const t={};for(var s=0,n=e.length;s<n;s++)t[e[s]]=e[s];const i=[];return function e(s){if(!s)return;t[s.type]&&i.push(s.id);const n=s.children;if(n)for(var a=0,r=n.length;a<r;a++)e(n[a])}(this),i}getJSON(){var e={id:this.id,type:this.type,name:this.name};return this.parent&&(e.parent=this.parent.id),e}}class dp{constructor(e){this.id=e.id,this.projectId=e.projectId,this.revisionId=e.revisionId,this.author=e.author,this.createdAt=e.createdAt,this.creatingApplication=e.creatingApplication,this.schema=e.schema,this.metaScene=e.metaScene,this.propertySets=[],this.rootMetaObject=null,this.rootMetaObjects=[],this.metaObjects=[],this.graph=e.graph||{},this.metaScene.metaModels[this.id]=this,this.finalized=!1}loadData(e,t={}){if(this.finalized)throw"MetaScene already finalized - can't add more data";this._globalizeIDs(e,t);const s=this.metaScene;if(e.propertySets)for(let t=0,n=e.propertySets.length;t<n;t++){const n=e.propertySets[t];let i=s.propertySets[n.id];i||(i=new pp({id:n.id,originalSystemId:n.originalSystemId||n.id,type:n.type,name:n.name,properties:n.properties}),s.propertySets[i.id]=i),i.metaModels.push(this),this.propertySets.push(i)}if(e.metaObjects)for(let t=0,n=e.metaObjects.length;t<n;t++){const n=e.metaObjects[t],i=n.id;let a=s.metaObjects[i];if(!a){const e=n.type,t=n.originalSystemId,s=n.propertySets||n.propertySetIds;a=new Ap({id:i,originalSystemId:t,parentId:n.parent,type:e,name:n.name,attributes:n.attributes,propertySetIds:s}),this.metaScene.metaObjects[i]=a}a.metaModels.push(this),n.parent||(this.rootMetaObjects.push(a),s.rootMetaObjects[i]=a),this.metaObjects.push(a)}}finalize(){if(this.finalized)throw"MetaScene already finalized - can't re-finalize";const e=this.metaScene;for(let t in e.metaObjects){const s=e.metaObjects[t];if(s.children&&(s.children=[]),s.propertySets&&(s.propertySets=[]),s.propertySetIds)for(let t=0,n=s.propertySetIds.length;t<n;t++){const n=s.propertySetIds[t],i=e.propertySets[n];s.propertySets.push(i)}}for(let t in e.metaObjects){const s=e.metaObjects[t];if(s.parentId){const t=e.metaObjects[s.parentId];t&&(s.parent=t,(t.children||(t.children=[])).push(s))}}e.metaObjectsByType={};for(let t in e.metaObjects){const s=e.metaObjects[t],n=s.type;(e.metaObjectsByType[n]||(e.metaObjectsByType[n]={}))[t]=s}this.finalized=!0,this.metaScene.fire("metaModelCreated",this.id)}getJSON(){const e=[];!function t(s){const n={id:s.id,extId:s.extId,type:s.type,name:s.name};s.parent&&(n.parent=s.parent.id),e.push(n);const i=s.children;if(i)for(let e=0,s=i.length;e<s;e++)t(i[e])}(this.rootMetaObject);return{id:this.id,projectId:this.projectId,revisionId:this.revisionId,metaObjects:e}}_globalizeIDs(e,t){const s=!!t.globalizeObjectIds;if(e.metaObjects)for(let t=0,n=e.metaObjects.length;t<n;t++){const n=e.metaObjects[t];if(n.originalSystemId=n.id,n.originalParentSystemId=n.parent,s&&(n.id=p.globalizeObjectId(this.id,n.id),n.parent=p.globalizeObjectId(this.id,n.parent)),s){const e=n.propertySetIds;if(e){const t=[];for(let s=0,n=e.length;s<n;s++)t.push(p.globalizeObjectId(this.id,e[s]));n.propertySetIds=t,n.originalSystemPropertySetIds=e}}else n.originalSystemPropertySetIds=n.propertySetIds}if(e.propertySets)for(let t=0,n=e.propertySets.length;t<n;t++){const n=e.propertySets[t];n.originalSystemId=n.id,s&&(n.id=p.globalizeObjectId(mothis.id,n.id))}}}class fp{constructor(e,t){this.viewer=e,this.scene=t,this.metaModels={},this.propertySets={},this.metaObjects={},this.metaObjectsByType={},this.rootMetaObjects={},this._eventSubs={}}on(e,t){let s=this._eventSubs[e];s||(s=[],this._eventSubs[e]=s),s.push(t)}fire(e,t){const s=this._eventSubs[e];if(s)for(let e=0,n=s.length;e<n;e++)s[e](t)}off(e){}createMetaModel(e,t,s={}){const n=new dp({metaScene:this,id:e,projectId:t.projectId||"none",revisionId:t.revisionId||"none",author:t.author||"none",createdAt:t.createdAt||"none",creatingApplication:t.creatingApplication||"none",schema:t.schema||"none",propertySets:[]});return n.loadData(t),n.finalize(),n}destroyMetaModel(e){const t=this.metaModels[e];if(t){if(t.propertySets)for(let s=0,n=t.propertySets.length;s<n;s++){const n=t.propertySets[s];if(1===n.metaModels.length)delete this.propertySets[n.id];else{const t=[];for(let s=0,i=n.metaModels.length;s<i;s++)n.metaModels[s].id!==e&&t.push(n.metaModels[s]);n.metaModels=t}}if(t.metaObjects)for(let e=0,s=t.metaObjects.length;e<s;e++){const s=t.metaObjects[e];s.type;const n=s.id;if(1===s.metaModels.length)delete this.metaObjects[n],s.parent||delete this.rootMetaObjects[n];else{const e=[],n=t.id;for(let t=0,i=s.metaModels.length;t<i;t++)s.metaModels[t].id!==n&&e.push(s.metaModels[t]);s.metaModels=e}}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.children&&(t.children=[]),t.propertySets&&(t.propertySets=[]),t.propertySetIds)for(let e=0,s=t.propertySetIds.length;e<s;e++){const s=t.propertySetIds[e],n=this.propertySets[s];t.propertySets.push(n)}}this.metaObjectsByType={};for(let e in this.metaObjects){const t=this.metaObjects[e],s=t.type;t.children&&(t.children=null),(this.metaObjectsByType[s]||(this.metaObjectsByType[s]={}))[e]=t}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.parentId){const e=this.metaObjects[t.parentId];e&&(t.parent=e,(e.children||(e.children=[])).push(t))}}delete this.metaModels[e],this.fire("metaModelDestroyed",e)}}getObjectIDsByType(e){const t=this.metaObjectsByType[e];return t?Object.keys(t):[]}getObjectIDsInSubtree(e,t,s){const n=[],i=this.metaObjects[e],a=t&&t.length>0?Ip(t):null,r=s&&s.length>0?Ip(s):null,l=e=>{if(!e)return;var t=!0;(r&&r[e.type]||a&&!a[e.type])&&(t=!1),t&&n.push(e.id);const s=e.children;if(s)for(var i=0,o=s.length;i<o;i++)l(s[i])};return l(i),n}withMetaObjectsInSubtree(e,t){const s=this.metaObjects[e];s&&s.withMetaObjectsInSubtree(t)}}function Ip(e){const t={};for(var s=0,n=e.length;s<n;s++)t[e[s]]=!0;return t}
+ **/let Mc=null;function Fc(e,t){const s=3*e,n=3*t;let i,a,r,l,o,c;const u=Math.min(i=Mc[s],a=Mc[s+1],r=Mc[s+2]),h=Math.min(l=Mc[n],o=Mc[n+1],c=Mc[n+2]);if(u!==h)return u-h;const p=Math.max(i,a,r),A=Math.max(l,o,c);return p!==A?p-A:0}let Hc=null;function Uc(e,t){let s=Hc[2*e]-Hc[2*t];return 0!==s?s:Hc[2*e+1]-Hc[2*t+1]}function Gc(e,t,s=!1){const n=e.positionsCompressed||[],i=function(e,t){const s=new Int32Array(e.length/3);for(let e=0,t=s.length;e<t;e++)s[e]=e;Mc=new Int32Array(e.length);for(let s=0,n=e.length;s<n;s++)Mc[s]=e[s]>>t;s.sort(Fc);const n=new Int32Array(e.length);for(let t=0,i=s.length;t<i;t++)n[3*t+0]=e[3*s[t]+0],n[3*t+1]=e[3*s[t]+1],n[3*t+2]=e[3*s[t]+2];return n}(e.indices||[],t),a=function(e){if(0===(e||[]).length)return[];let t=new Int32Array(e.length/2);for(let e=0,s=t.length;e<s;e++)t[e]=e;for(let t=0,s=e.length;t<s;t+=2)if(e[t]>e[t+1]){let s=e[t];e[t]=e[t+1],e[t+1]=s}Hc=new Int32Array(e),t.sort(Uc);const s=new Int32Array(e.length);for(let n=0,i=t.length;n<i;n++)s[2*n+0]=e[2*t[n]+0],s[2*n+1]=e[2*t[n]+1];return s}(e.edgeIndices||[]);function r(e,t){if(e>t){let s=e;e=t,t=s}function s(s,n){return s!==e?e-s:n!==t?t-n:0}let n=0,i=(a.length>>1)-1;for(;n<=i;){const e=i+n>>1,t=s(a[2*e],a[2*e+1]);if(t>0)n=e+1;else{if(!(t<0))return e;i=e-1}}return-n-1}const l=new Int32Array(a.length/2);l.fill(0);const o=n.length/3;if(o>8*(1<<t))return[e];const c=new Int32Array(o);c.fill(-1);const u=[];function h(){c.fill(-1);const e={positionsCompressed:[],indices:[],edgeIndices:[],maxNumPositions:(1<<t)-t,numPositions:0,bucketNumber:u.length};return u.push(e),e}let p=h();for(let t=0,s=i.length;t<s;t+=3){let s=0;const o=i[t],u=i[t+1],A=i[t+2];if(-1===c[o]&&s++,-1===c[u]&&s++,-1===c[A]&&s++,s+p.numPositions>p.maxNumPositions&&(p=h()),p.bucketNumber>8)return[e];let 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u.forEach((e=>{I+=2*e.positionsCompressed.length+(e.indices.length+e.edgeIndices.length)*d,y+=e.positionsCompressed.length/3})),I>f?[e]:(s&&function(e,t){const s={},n={};let i=0;e.forEach((e=>{const t=e.indices,a=e.edgeIndices,r=e.positionsCompressed;for(let e=0,n=t.length;e<n;e+=3){const n=r[3*t[e]]+"_"+r[3*t[e]+1]+"_"+r[3*t[e]+2]+"/"+r[3*t[e+1]]+"_"+r[3*t[e+1]+1]+"_"+r[3*t[e+1]+2]+"/"+r[3*t[e+2]]+"_"+r[3*t[e+2]+1]+"_"+r[3*t[e+2]+2];s[n]=!0}i+=e.edgeIndices.length/2;for(let e=0,t=a.length;e<t;e+=2){const t=r[3*a[e]]+"_"+r[3*a[e]+1]+"_"+r[3*a[e]+2]+"/"+r[3*a[e+1]]+"_"+r[3*a[e+1]+1]+"_"+r[3*a[e+1]+2]+"/";n[t]=!0}}));{const e=t.indices;t.edgeIndices;const n=t.positionsCompressed;for(let t=0,i=e.length;t<i;t+=3){const i=n[3*e[t]]+"_"+n[3*e[t]+1]+"_"+n[3*e[t]+2]+"/"+n[3*e[t+1]]+"_"+n[3*e[t+1]+1]+"_"+n[3*e[t+1]+2]+"/"+n[3*e[t+2]]+"_"+n[3*e[t+2]+1]+"_"+n[3*e[t+2]+2];if(!(i in s))throw console.log("Not found "+i),"Ohhhh!"}}}(u,e),u)}const Vc=p.vec3(),jc=p.vec3(),kc=p.vec3(),Qc=p.vec3(),Wc=p.vec4(),zc=p.mat4();class Kc{constructor(e,t){this._scene=e,this._withSAO=t,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,s){const n=this._scene,i=n.camera,a=t.model,r=n.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin,{position:u,rotationMatrix:h,rotationMatrixConjugate:A}=a;if(!this._program&&(this._allocate(),this.errors))return;let d,f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,l)),o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);const I=0!==c[0]||0!==c[1]||0!==c[2],y=0!==u[0]||0!==u[1]||0!==u[2];if(I||y){const e=Vc;if(I){const t=p.transformPoint3(h,c,jc);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=u[0],e[1]+=u[1],e[2]+=u[2],d=O(i.viewMatrix,e,zc),f=kc,f[0]=i.eye[0]-e[0],f[1]=i.eye[1]-e[1],f[2]=i.eye[2]-e[2]}else d=i.viewMatrix,f=i.eye;if(r.uniformMatrix4fv(this._uSceneModelWorldMatrix,!1,A),r.uniformMatrix4fv(this._uViewMatrix,!1,d),r.uniformMatrix4fv(this._uProjMatrix,!1,i.projMatrix),r.uniform3fv(this._uCameraEyeRtc,f),r.uniform1i(this._uRenderPass,s),n.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,t)}const m=n._sectionPlanesState.sectionPlanes.length;if(m>0){const e=n._sectionPlanesState.sectionPlanes,s=t.layerIndex*m,i=a.renderFlags;for(let t=0;t<m;t++){const n=this._uSectionPlanes[t];if(n){const a=i.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,a?1:0),a){const s=e[t];if(c){const e=L(s.dist,s.dir,c,Qc);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}l.numIndices8Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),r.drawArrays(r.TRIANGLES,0,l.numIndices8Bits)),l.numIndices16Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),r.drawArrays(r.TRIANGLES,0,l.numIndices16Bits)),l.numIndices32Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),r.drawArrays(r.TRIANGLES,0,l.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl,s=e._lightsState;if(this._program=new De(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const n=this._program;this._uRenderPass=n.getLocation("renderPass"),this._uLightAmbient=n.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];const i=s.lights;let a;for(let e=0,t=i.length;e<t;e++)switch(a=i[e],a.type){case"dir":this._uLightColor[e]=n.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=n.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=n.getLocation("lightColor"+e),this._uLightPos[e]=n.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=n.getLocation("lightAttenuation"+e);break;case"spot":this._uLightColor[e]=n.getLocation("lightColor"+e),this._uLightPos[e]=n.getLocation("lightPos"+e),this._uLightDir[e]=n.getLocation("lightDir"+e),this._uLightAttenuation[e]=n.getLocation("lightAttenuation"+e)}this._uSceneModelWorldMatrix=n.getLocation("sceneModelWorldMatrix"),this._uViewMatrix=n.getLocation("viewMatrix"),this._uProjMatrix=n.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.sectionPlanes.length;t<s;t++)this._uSectionPlanes.push({active:n.getLocation("sectionPlaneActive"+t),pos:n.getLocation("sectionPlanePos"+t),dir:n.getLocation("sectionPlaneDir"+t)});this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=n.getLocation("uSAOParams")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=n.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=n.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,s=t.canvas.gl,n=this._program,i=t._lightsState.lights,a=t.camera.project;n.bind(),this._uLightAmbient&&s.uniform4fv(this._uLightAmbient,t._lightsState.getAmbientColorAndIntensity());for(let e=0,t=i.length;e<t;e++){const t=i[e];this._uLightColor[e]&&s.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(s.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&s.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&s.uniform3fv(this._uLightDir[e],t.dir)}if(this._withSAO){const n=t.sao;if(n.possible){const t=s.drawingBufferWidth,i=s.drawingBufferHeight;Wc[0]=t,Wc[1]=i,Wc[2]=n.blendCutoff,Wc[3]=n.blendFactor,s.uniform4fv(this._uSAOParams,Wc),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,10)}}if(t.logarithmicDepthBufferEnabled){const e=2/(Math.log(a.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,s=e._lightsState,n=t.sectionPlanes.length>0;let i;const a=[];a.push("#version 300 es"),a.push("// TrianglesDataTextureColorRenderer vertex shader"),a.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),a.push("precision highp float;"),a.push("precision highp int;"),a.push("precision highp usampler2D;"),a.push("precision highp isampler2D;"),a.push("precision highp sampler2D;"),a.push("#else"),a.push("precision mediump float;"),a.push("precision mediump int;"),a.push("precision mediump usampler2D;"),a.push("precision mediump isampler2D;"),a.push("precision mediump sampler2D;"),a.push("#endif"),a.push("uniform int renderPass;"),e.entityOffsetsEnabled&&a.push("in vec3 offset;"),a.push("uniform mat4 sceneModelWorldMatrix;"),a.push("uniform mat4 viewMatrix;"),a.push("uniform mat4 projMatrix;"),a.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),a.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),a.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),a.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),a.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),a.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),a.push("uniform highp sampler2D uTextureModelMatrices;"),a.push("uniform vec3 uCameraEyeRtc;"),a.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(a.push("uniform float logDepthBufFC;"),a.push("out float vFragDepth;"),a.push("out float isPerspective;")),a.push("bool isPerspectiveMatrix(mat4 m) {"),a.push("    return (m[2][3] == - 1.0);"),a.push("}"),a.push("uniform vec4 lightAmbient;");for(let e=0,t=s.lights.length;e<t;e++)i=s.lights[e],"ambient"!==i.type&&(a.push("uniform vec4 lightColor"+e+";"),"dir"===i.type&&a.push("uniform vec3 lightDir"+e+";"),"point"===i.type&&a.push("uniform vec3 lightPos"+e+";"),"spot"===i.type&&(a.push("uniform vec3 lightPos"+e+";"),a.push("uniform vec3 lightDir"+e+";")));n&&(a.push("out vec4 vWorldPosition;"),a.push("flat out uint vFlags2;")),a.push("out vec4 vColor;"),a.push("void main(void) {"),a.push("int polygonIndex = gl_VertexID / 3;"),a.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),a.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),a.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),a.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),a.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),a.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),a.push("if (int(flags.x) != renderPass) {"),a.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),a.push("   return;"),a.push("} else {"),a.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),a.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),a.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),a.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),a.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),a.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),a.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),a.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),a.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),a.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),a.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),a.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),a.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),a.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),a.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),a.push("uvec4 color = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),a.push("if (color.a == 0u) {"),a.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),a.push("   return;"),a.push("};"),a.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),a.push("vec3 position;"),a.push("position = positions[gl_VertexID % 3];"),a.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),a.push("if (solid != 1u) {"),a.push("if (isPerspectiveMatrix(projMatrix)) {"),a.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),a.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),a.push("position = positions[2 - (gl_VertexID % 3)];"),a.push("viewNormal = -viewNormal;"),a.push("}"),a.push("} else {"),a.push("if (viewNormal.z < 0.0) {"),a.push("position = positions[2 - (gl_VertexID % 3)];"),a.push("viewNormal = -viewNormal;"),a.push("}"),a.push("}"),a.push("}"),a.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),a.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),a.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),a.push("vec4 viewPosition = viewMatrix * worldPosition; "),a.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),a.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),a.push("float lambertian = 1.0;");for(let e=0,t=s.lights.length;e<t;e++)if(i=s.lights[e],"ambient"!==i.type){if("dir"===i.type)"view"===i.space?a.push("viewLightDir = normalize(lightDir"+e+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===i.type)"view"===i.space?a.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):a.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==i.type)continue;"view"===i.space?a.push("viewLightDir = normalize(lightDir"+e+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}a.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),a.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}return a.push("vec3 rgb = vec3(color.rgb) / 255.0;"),a.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),a.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(a.push("vFragDepth = 1.0 + clipPos.w;"),a.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),n&&(a.push("vWorldPosition = worldPosition;"),a.push("vFlags2 = flags2.r;")),a.push("gl_Position = clipPos;"),a.push("}"),a.push("}"),a}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// TrianglesDataTextureColorRenderer fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uint vFlags2;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0u;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { "),n.push("      discard;"),n.push("  }"),n.push("}")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor            = vec4(vColor.rgb * ambient, 1.0);")):n.push("   outColor            = vColor;"),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Yc=new Float32Array([1,1,1]),Xc=p.vec3(),qc=p.vec3(),Jc=p.vec3(),Zc=p.vec3(),$c=p.mat4();class eu{constructor(e,t){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){const n=this._scene,i=n.camera,a=t.model,r=n.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin,{position:u,rotationMatrix:h,rotationMatrixConjugate:A}=a,d=i.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let f,I;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,l)),o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets),c||0!==u[0]||0!==u[1]||0!==u[2]){const e=Xc;if(c){const t=qc;p.transformPoint3(h,c,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=u[0],e[1]+=u[1],e[2]+=u[2],f=O(d,e,$c),I=Jc,I[0]=i.eye[0]-e[0],I[1]=i.eye[1]-e[1],I[2]=i.eye[2]-e[2]}else f=d,I=i.eye;if(r.uniform3fv(this._uCameraEyeRtc,I),r.uniform1i(this._uRenderPass,s),r.uniformMatrix4fv(this._uWorldMatrix,!1,A),r.uniformMatrix4fv(this._uViewMatrix,!1,f),r.uniformMatrix4fv(this._uProjMatrix,!1,i.projMatrix),s===cr.SILHOUETTE_XRAYED){const e=n.xrayMaterial._state,t=e.fillColor,s=e.fillAlpha;r.uniform4f(this._uColor,t[0],t[1],t[2],s)}else if(s===cr.SILHOUETTE_HIGHLIGHTED){const e=n.highlightMaterial._state,t=e.fillColor,s=e.fillAlpha;r.uniform4f(this._uColor,t[0],t[1],t[2],s)}else if(s===cr.SILHOUETTE_SELECTED){const e=n.selectedMaterial._state,t=e.fillColor,s=e.fillAlpha;r.uniform4f(this._uColor,t[0],t[1],t[2],s)}else r.uniform4fv(this._uColor,Yc);if(n.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,t)}const y=n._sectionPlanesState.sectionPlanes.length;if(y>0){const e=n._sectionPlanesState.sectionPlanes,s=t.layerIndex*y,i=a.renderFlags;for(let t=0;t<y;t++){const n=this._uSectionPlanes[t];if(n){const a=i.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,a?1:0),a){const s=e[t];if(c){const e=L(s.dist,s.dir,c,Zc);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}l.numIndices8Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),r.drawArrays(r.TRIANGLES,0,l.numIndices8Bits)),l.numIndices16Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),r.drawArrays(r.TRIANGLES,0,l.numIndices16Bits)),l.numIndices32Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),r.drawArrays(r.TRIANGLES,0,l.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new De(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uColor=s.getLocation("color"),this._uWorldMatrix=s.getLocation("worldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,s=t.canvas.gl,n=t.camera.project;if(this._program.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(n.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("#version 300 es"),s.push("// Triangles dataTexture silhouette vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("precision highp usampler2D;"),s.push("precision highp isampler2D;"),s.push("precision highp sampler2D;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("precision mediump usampler2D;"),s.push("precision mediump isampler2D;"),s.push("precision mediump sampler2D;"),s.push("#endif"),s.push("uniform int renderPass;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("uniform mat4 worldMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),s.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),s.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),s.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),s.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),s.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),s.push("uniform highp sampler2D uTextureModelMatrices;"),s.push("uniform vec3 uCameraEyeRtc;"),s.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("out float isPerspective;")),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),t&&(s.push("out vec4 vWorldPosition;"),s.push("flat out uint vFlags2;")),s.push("void main(void) {"),s.push("int polygonIndex = gl_VertexID / 3;"),s.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),s.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),s.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),s.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("if (int(flags.y) != renderPass) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("} else {"),s.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),s.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),s.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),s.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),s.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),s.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),s.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),s.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),s.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),s.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),s.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),s.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),s.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),s.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),s.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),s.push("vec3 position;"),s.push("position = positions[gl_VertexID % 3];"),s.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),s.push("if (solid != 1u) {"),s.push("if (isPerspectiveMatrix(projMatrix)) {"),s.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),s.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),s.push("position = positions[2 - (gl_VertexID % 3)];"),s.push("viewNormal = -viewNormal;"),s.push("}"),s.push("} else {"),s.push("if (viewNormal.z < 0.0) {"),s.push("position = positions[2 - (gl_VertexID % 3)];"),s.push("viewNormal = -viewNormal;"),s.push("}"),s.push("}"),s.push("}"),s.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),s.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),s.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),s.push("vec4 viewPosition = viewMatrix * worldPosition; "),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags2 = flags2.r;")),s.push("gl_Position = clipPos;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// Triangles dataTexture draw fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uint vFlags2;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("uniform vec4 color;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0u;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { "),n.push("      discard;"),n.push("  }"),n.push("}")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("    outColor = color;"),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const tu=new Float32Array([0,0,0,1]),su=p.vec3(),nu=p.vec3();p.vec3();const iu=p.vec3(),au=p.mat4();class ru{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){const n=t.model,i=n.scene,a=i.camera,r=i.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin,{position:u,rotationMatrix:h,rotationMatrixConjugate:A}=n,d=a.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);const I=0!==c[0]||0!==c[1]||0!==c[2],y=0!==u[0]||0!==u[1]||0!==u[2];if(I||y){const e=su;if(I){const t=nu;p.transformPoint3(h,c,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=u[0],e[1]+=u[1],e[2]+=u[2],f=O(d,e,au)}else f=d;if(r.uniform1i(this._uRenderPass,s),r.uniformMatrix4fv(this._uSceneModelWorldMatrix,!1,A),r.uniformMatrix4fv(this._uViewMatrix,!1,f),r.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix),s===cr.EDGES_XRAYED){const e=i.xrayMaterial._state,t=e.edgeColor,s=e.edgeAlpha;r.uniform4f(this._uColor,t[0],t[1],t[2],s)}else if(s===cr.EDGES_HIGHLIGHTED){const e=i.highlightMaterial._state,t=e.edgeColor,s=e.edgeAlpha;r.uniform4f(this._uColor,t[0],t[1],t[2],s)}else if(s===cr.EDGES_SELECTED){const e=i.selectedMaterial._state,t=e.edgeColor,s=e.edgeAlpha;r.uniform4f(this._uColor,t[0],t[1],t[2],s)}else r.uniform4fv(this._uColor,tu);const m=i._sectionPlanesState.sectionPlanes.length;if(m>0){const e=i._sectionPlanesState.sectionPlanes,s=t.layerIndex*m,a=n.renderFlags;for(let t=0;t<m;t++){const n=this._uSectionPlanes[t];if(n){const i=a.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,i?1:0),i){const s=e[t];if(c){const e=L(s.dist,s.dir,c,iu);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}l.numEdgeIndices8Bits>0&&(o.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),r.drawArrays(r.LINES,0,l.numEdgeIndices8Bits)),l.numEdgeIndices16Bits>0&&(o.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),r.drawArrays(r.LINES,0,l.numEdgeIndices16Bits)),l.numEdgeIndices32Bits>0&&(o.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),r.drawArrays(r.LINES,0,l.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new De(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uColor=s.getLocation("color"),this._uSceneModelWorldMatrix=s.getLocation("sceneModelWorldMatrix"),this._uWorldMatrix=s.getLocation("worldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets"}_bindProgram(){const e=this._scene,t=e.canvas.gl,s=this._program,n=e.camera.project;if(s.bind(),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(n.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("#version 300 es"),s.push("// Batched geometry edges drawing vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("precision highp usampler2D;"),s.push("precision highp isampler2D;"),s.push("precision highp sampler2D;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("precision mediump usampler2D;"),s.push("precision mediump isampler2D;"),s.push("precision mediump sampler2D;"),s.push("#endif"),s.push("uniform int renderPass;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("uniform mat4 sceneModelWorldMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),s.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),s.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),s.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),s.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),s.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),s.push("uniform highp sampler2D uTextureModelMatrices;"),s.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),s.push("out float isPerspective;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("flat out uint vFlags2;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int edgeIndex = gl_VertexID / 2;"),s.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),s.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),s.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),s.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("if (int(flags.z) != renderPass) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("} else {"),s.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),s.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),s.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),s.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),s.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),s.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),s.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),s.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),s.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),s.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),s.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),s.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),s.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("  vFlags2 = flags2.r;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s.push("gl_Position = clipPos;"),s.push("vColor = vec4(color.r, color.g, color.b, color.a);"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// Batched geometry edges drawing fragment shader"),e.logarithmicDepthBufferEnabled&&n.push("#extension GL_EXT_frag_depth : enable"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uint vFlags2;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0u;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { discard; }"),n.push("}")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("   outColor            = vColor;"),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const lu=p.vec3(),ou=p.vec3(),cu=p.vec3(),uu=p.mat4();class hu{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){const n=t.model,i=n.scene,a=i.camera,r=i.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin,{position:u,rotationMatrix:h,rotationMatrixConjugate:A}=n,d=a.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);const I=0!==c[0]||0!==c[1]||0!==c[2],y=0!==u[0]||0!==u[1]||0!==u[2];if(I||y){const e=lu;if(I){const t=ou;p.transformPoint3(h,c,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=u[0],e[1]+=u[1],e[2]+=u[2],f=O(d,e,uu)}else f=d;r.uniform1i(this._uRenderPass,s),r.uniformMatrix4fv(this._uSceneModelWorldMatrix,!1,A),r.uniformMatrix4fv(this._uViewMatrix,!1,f),r.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix);const m=i._sectionPlanesState.sectionPlanes.length;if(m>0){const e=i._sectionPlanesState.sectionPlanes,s=t.layerIndex*m,a=n.renderFlags;for(let t=0;t<m;t++){const n=this._uSectionPlanes[t];if(n){const i=a.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,i?1:0),i){const s=e[t];if(c){const e=L(s.dist,s.dir,c,cu);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}l.numEdgeIndices8Bits>0&&(o.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),r.drawArrays(r.LINES,0,l.numEdgeIndices8Bits)),l.numEdgeIndices16Bits>0&&(o.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),r.drawArrays(r.LINES,0,l.numEdgeIndices16Bits)),l.numEdgeIndices32Bits>0&&(o.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),r.drawArrays(r.LINES,0,l.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new De(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uSceneModelWorldMatrix=s.getLocation("sceneModelWorldMatrix"),this._uWorldMatrix=s.getLocation("worldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets"}_bindProgram(){const e=this._scene,t=e.canvas.gl,s=this._program,n=e.camera.project;if(s.bind(),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(n.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("#version 300 es"),s.push("// Batched geometry edges drawing vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("precision highp usampler2D;"),s.push("precision highp isampler2D;"),s.push("precision highp sampler2D;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("precision mediump usampler2D;"),s.push("precision mediump isampler2D;"),s.push("precision mediump sampler2D;"),s.push("#endif"),s.push("uniform int renderPass;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("uniform mat4 sceneModelWorldMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),s.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),s.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),s.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),s.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),s.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),s.push("uniform highp sampler2D uTextureModelMatrices;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),s.push("out float isPerspective;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("flat out uint vFlags2;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),s.push("int edgeIndex = gl_VertexID / 2;"),s.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),s.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),s.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),s.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("if (int(flags.z) != renderPass) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("} else {"),s.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),s.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),s.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),s.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),s.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),s.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),s.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),s.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),s.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),s.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),s.push("uvec4 color = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),s.push("if (color.a == 0u) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("};"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),s.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),s.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("  vFlags2 = flags2.r;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s.push("gl_Position = clipPos;"),s.push("vec4 rgb = vec4(color.rgba);"),s.push("vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// Batched geometry edges drawing fragment shader"),e.logarithmicDepthBufferEnabled&&n.push("#extension GL_EXT_frag_depth : enable"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uint vFlags2;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0u;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { discard; }"),n.push("}")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("   outColor            = vColor;"),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const pu=p.vec3(),Au=p.vec3(),du=p.vec3(),fu=p.mat4();class Iu{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e));const n=t.model,i=n.scene,a=i.camera,r=i.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin,{position:u,rotationMatrix:h,rotationMatrixConjugate:A}=n;let d,f;o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);const I=0!==c[0]||0!==c[1]||0!==c[2],y=0!==u[0]||0!==u[1]||0!==u[2];if(I||y){const e=pu;if(I){const t=p.transformPoint3(h,c,Au);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=u[0],e[1]+=u[1],e[2]+=u[2],d=O(a.viewMatrix,e,fu),f=du,f[0]=a.eye[0]-e[0],f[1]=a.eye[1]-e[1],f[2]=a.eye[2]-e[2]}else d=a.viewMatrix,f=a.eye;if(r.uniformMatrix4fv(this._uSceneModelWorldMatrix,!1,A),r.uniformMatrix4fv(this._uViewMatrix,!1,d),r.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix),r.uniform3fv(this._uCameraEyeRtc,f),r.uniform1i(this._uRenderPass,s),i.logarithmicDepthBufferEnabled){const e=2/(Math.log(a.project.far+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,e)}const m=i._sectionPlanesState.sectionPlanes.length;if(m>0){const e=i._sectionPlanesState.sectionPlanes,s=t.layerIndex*m,a=n.renderFlags;for(let t=0;t<m;t++){const n=this._uSectionPlanes[t];if(n){const i=a.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,i?1:0),i){const s=e[t];if(c){const e=L(s.dist,s.dir,c,pu);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}l.numIndices8Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),r.drawArrays(r.TRIANGLES,0,l.numIndices8Bits)),l.numIndices16Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),r.drawArrays(r.TRIANGLES,0,l.numIndices16Bits)),l.numIndices32Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),r.drawArrays(r.TRIANGLES,0,l.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new De(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uPickInvisible=s.getLocation("pickInvisible"),this._uSceneModelWorldMatrix=s.getLocation("sceneModelWorldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=s.getLocation("uSAOParams")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene.canvas.gl;this._program.bind(),t.uniform1i(this._uPickInvisible,e.pickInvisible)}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("#version 300 es"),s.push("// Batched geometry picking vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("precision highp usampler2D;"),s.push("precision highp isampler2D;"),s.push("precision highp sampler2D;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("precision mediump usampler2D;"),s.push("precision mediump isampler2D;"),s.push("precision mediump sampler2D;"),s.push("#endif"),s.push("uniform int renderPass;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("uniform mat4 sceneModelWorldMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform bool pickInvisible;"),s.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),s.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),s.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),s.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),s.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),s.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),s.push("uniform highp sampler2D uTextureModelMatrices;"),s.push("uniform vec3 uCameraEyeRtc;"),s.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("out float isPerspective;")),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),t&&(s.push("smooth out vec4 vWorldPosition;"),s.push("flat out uvec4 vFlags2;")),s.push("out vec4 vPickColor;"),s.push("void main(void) {"),s.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),s.push("int polygonIndex = gl_VertexID / 3;"),s.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),s.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),s.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),s.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("if (int(flags.w) != renderPass) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("} else {"),s.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),s.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),s.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),s.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),s.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),s.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),s.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),s.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),s.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),s.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),s.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),s.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),s.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),s.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),s.push("uvec4 color = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),s.push("if (color.a == 0u) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("};"),s.push("vPickColor = vec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0)) / 255.0;"),s.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),s.push("vec3 position;"),s.push("position = positions[gl_VertexID % 3];"),s.push("if (solid != 1u) {"),s.push("if (isPerspectiveMatrix(projMatrix)) {"),s.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),s.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),s.push("position = positions[2 - (gl_VertexID % 3)];"),s.push("}"),s.push("} else {"),s.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),s.push("if (viewNormal.z < 0.0) {"),s.push("position = positions[2 - (gl_VertexID % 3)];"),s.push("}"),s.push("}"),s.push("}"),s.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),s.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),s.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),s.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags2 = flags2;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s.push("gl_Position = clipPos;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// Batched geometry picking fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uvec4 vFlags2;");for(var i=0;i<t.sectionPlanes.length;i++)n.push("uniform bool sectionPlaneActive"+i+";"),n.push("uniform vec3 sectionPlanePos"+i+";"),n.push("uniform vec3 sectionPlaneDir"+i+";")}if(n.push("in vec4 vPickColor;"),n.push("out vec4 outPickColor;"),n.push("void main(void) {"),s){n.push("  bool clippable = (float(vFlags2.x) > 0.0);"),n.push("  if (clippable) {"),n.push("      float dist = 0.0;");for(i=0;i<t.sectionPlanes.length;i++)n.push("      if (sectionPlaneActive"+i+") {"),n.push("          dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),n.push("      }");n.push("      if (dist > 0.0) { discard; }"),n.push("  }")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("   outPickColor = vPickColor; "),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const yu=p.vec3(),mu=p.vec3(),vu=p.vec3(),wu=p.vec3(),gu=p.mat4();class Tu{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){const n=t.model,i=n.scene,a=i.camera,r=i.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin,{position:u,rotationMatrix:h,rotationMatrixConjugate:A}=n,d=e.pickViewMatrix||a.viewMatrix;let f,I;if(this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets),a.eye,c||0!==u[0]||0!==u[1]||0!==u[2]){const t=yu;if(c){const e=mu;p.transformPoint3(h,c,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=u[0],t[1]+=u[1],t[2]+=u[2],f=O(d,t,gu),I=vu,I[0]=a.eye[0]-t[0],I[1]=a.eye[1]-t[1],I[2]=a.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,I=a.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;if(r.uniform3fv(this._uCameraEyeRtc,I),r.uniform1i(this._uRenderPass,s),r.uniform1i(this._uPickInvisible,e.pickInvisible),r.uniform1f(this._uPickZNear,e.pickZNear),r.uniform1f(this._uPickZFar,e.pickZFar),r.uniformMatrix4fv(this._uWorldMatrix,!1,A),r.uniformMatrix4fv(this._uViewMatrix,!1,f),r.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix),i.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,t)}const y=i._sectionPlanesState.sectionPlanes.length;if(y>0){const e=i._sectionPlanesState.sectionPlanes,s=t.layerIndex*y,a=n.renderFlags;for(let t=0;t<y;t++){const n=this._uSectionPlanes[t];if(n){const i=a.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,i?1:0),i){const s=e[t];if(c){const e=L(s.dist,s.dir,c,wu);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}l.numIndices8Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),r.drawArrays(r.TRIANGLES,0,l.numIndices8Bits)),l.numIndices16Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),r.drawArrays(r.TRIANGLES,0,l.numIndices16Bits)),l.numIndices32Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),r.drawArrays(r.TRIANGLES,0,l.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new De(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uPickInvisible=s.getLocation("pickInvisible"),this._uWorldMatrix=s.getLocation("worldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._uPickZNear=s.getLocation("pickZNear"),this._uPickZFar=s.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureCameraMatrices="uTextureCameraMatrices",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("#version 300 es"),s.push("// Triangles dataTexture pick depth vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("precision highp usampler2D;"),s.push("precision highp isampler2D;"),s.push("precision highp sampler2D;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("precision mediump usampler2D;"),s.push("precision mediump isampler2D;"),s.push("precision mediump sampler2D;"),s.push("#endif"),s.push("uniform int renderPass;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("uniform mat4 worldMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform bool pickInvisible;"),s.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),s.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),s.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),s.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),s.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),s.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),s.push("uniform highp sampler2D uTextureModelMatrices;"),s.push("uniform vec3 uCameraEyeRtc;"),s.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("out float isPerspective;")),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),t&&(s.push("out vec4 vWorldPosition;"),s.push("flat out uint vFlags2;")),s.push("out vec4 vViewPosition;"),s.push("void main(void) {"),s.push("int polygonIndex = gl_VertexID / 3;"),s.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),s.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),s.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),s.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("if (int(flags.w) != renderPass) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("} else {"),s.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),s.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),s.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),s.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),s.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),s.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),s.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),s.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),s.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),s.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),s.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),s.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),s.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),s.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),s.push("uvec4 color = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),s.push("if (color.a == 0u) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("};"),s.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),s.push("vec3 position;"),s.push("position = positions[gl_VertexID % 3];"),s.push("if (solid != 1u) {"),s.push("if (isPerspectiveMatrix(projMatrix)) {"),s.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),s.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),s.push("position = positions[2 - (gl_VertexID % 3)];"),s.push("}"),s.push("} else {"),s.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),s.push("if (viewNormal.z < 0.0) {"),s.push("position = positions[2 - (gl_VertexID % 3)];"),s.push("}"),s.push("}"),s.push("}"),s.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),s.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),s.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),s.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags2 = flags2.r;")),s.push("vViewPosition = viewPosition;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s.push("gl_Position = clipPos;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// Triangles dataTexture pick depth fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform float pickZNear;"),n.push("uniform float pickZFar;"),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uint vFlags2;");for(var i=0;i<t.sectionPlanes.length;i++)n.push("uniform bool sectionPlaneActive"+i+";"),n.push("uniform vec3 sectionPlanePos"+i+";"),n.push("uniform vec3 sectionPlaneDir"+i+";")}if(n.push("in vec4 vViewPosition;"),n.push("vec4 packDepth(const in float depth) {"),n.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),n.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),n.push("  vec4 res = fract(depth * bitShift);"),n.push("  res -= res.xxyz * bitMask;"),n.push("  return res;"),n.push("}"),n.push("out vec4 outPackedDepth;"),n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0u;"),n.push("  if (clippable) {"),n.push("      float dist = 0.0;");for(i=0;i<t.sectionPlanes.length;i++)n.push("      if (sectionPlaneActive"+i+") {"),n.push("          dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),n.push("      }");n.push("      if (dist > 0.0) { discard; }"),n.push("  }")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),n.push("    outPackedDepth = packDepth(zNormalizedDepth); "),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Eu=p.vec3(),bu=p.vec3(),Du=p.vec3(),Pu=p.vec3(),Ru=p.vec3(),Cu=p.mat4();class _u{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const n=t.model,i=n.scene,a=i.camera,r=i.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin,{position:u,rotationMatrix:h,rotationMatrixConjugate:A}=n,d=t.aabb,f=e.pickViewMatrix||a.viewMatrix,I=Eu;let y,m;I[0]=p.safeInv(d[3]-d[0])*p.MAX_INT,I[1]=p.safeInv(d[4]-d[1])*p.MAX_INT,I[2]=p.safeInv(d[5]-d[2])*p.MAX_INT,e.snapPickCoordinateScale[0]=p.safeInv(I[0]),e.snapPickCoordinateScale[1]=p.safeInv(I[1]),e.snapPickCoordinateScale[2]=p.safeInv(I[2]),o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);const v=0!==c[0]||0!==c[1]||0!==c[2],w=0!==u[0]||0!==u[1]||0!==u[2];if(v||w){const t=bu;if(v){const e=p.transformPoint3(h,c,Du);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=u[0],t[1]+=u[1],t[2]+=u[2],y=O(f,t,Cu),m=Pu,m[0]=a.eye[0]-t[0],m[1]=a.eye[1]-t[1],m[2]=a.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else y=f,m=a.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;if(r.uniform3fv(this._uCameraEyeRtc,m),r.uniform2fv(this.uVectorA,e.snapVectorA),r.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),r.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),r.uniform3fv(this._uCoordinateScaler,I),r.uniform1i(this._uRenderPass,s),r.uniform1i(this._uPickInvisible,e.pickInvisible),r.uniformMatrix4fv(this._uSceneModelWorldMatrix,!1,A),r.uniformMatrix4fv(this._uViewMatrix,!1,y),r.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix),i.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,t)}const g=i._sectionPlanesState.sectionPlanes.length;if(g>0){const e=i._sectionPlanesState.sectionPlanes,s=t.layerIndex*g,a=n.renderFlags;for(let t=0;t<g;t++){const n=this._uSectionPlanes[t];if(n){const i=a.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,i?1:0),i){const s=e[t];if(c){const e=L(s.dist,s.dir,c,Ru);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}const T="edge"===e.snapMode?r.LINES:r.POINTS;l.numEdgeIndices8Bits>0&&(o.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),r.drawArrays(T,0,l.numEdgeIndices8Bits)),l.numEdgeIndices16Bits>0&&(o.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),r.drawArrays(T,0,l.numEdgeIndices16Bits)),l.numEdgeIndices32Bits>0&&(o.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),r.drawArrays(T,0,l.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new De(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uPickInvisible=s.getLocation("pickInvisible"),this._uSceneModelWorldMatrix=s.getLocation("sceneModelWorldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc"),this.uVectorA=s.getLocation("uSnapVectorA"),this.uInverseVectorAB=s.getLocation("uSnapInvVectorAB"),this._uLayerNumber=s.getLocation("uLayerNumber"),this._uCoordinateScaler=s.getLocation("uCoordinateScaler")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("#version 300 es"),s.push("// Batched geometry edges drawing vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("precision highp usampler2D;"),s.push("precision highp isampler2D;"),s.push("precision highp sampler2D;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("precision mediump usampler2D;"),s.push("precision mediump isampler2D;"),s.push("precision mediump sampler2D;"),s.push("#endif"),s.push("uniform int renderPass;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("uniform mat4 sceneModelWorldMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),s.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),s.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),s.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),s.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),s.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),s.push("uniform highp sampler2D uTextureModelMatrices;"),s.push("uniform vec3 uCameraEyeRtc;"),s.push("uniform vec2 uSnapVectorA;"),s.push("uniform vec2 uSnapInvVectorAB;"),s.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),s.push("out float isPerspective;")),s.push("vec2 remapClipPos(vec2 clipPos) {"),s.push("    float x = (clipPos.x - uSnapVectorA.x) * uSnapInvVectorAB.x;"),s.push("    float y = (clipPos.y - uSnapVectorA.y) * uSnapInvVectorAB.y;"),s.push("    return vec2(x, y);"),s.push("}"),t&&(s.push("out vec4 vWorldPosition;"),s.push("flat out uint vFlags2;")),s.push("out vec4 vViewPosition;"),s.push("out highp vec3 relativeToOriginPosition;"),s.push("void main(void) {"),s.push("int edgeIndex = gl_VertexID / 2;"),s.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),s.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),s.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),s.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("{"),s.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),s.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),s.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),s.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),s.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),s.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),s.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),s.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),s.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),s.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),s.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),s.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),s.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),s.push("relativeToOriginPosition = worldPosition.xyz;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("  vFlags2 = flags2.r;")),s.push("vViewPosition = viewPosition;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),s.push("float tmp = clipPos.w;"),s.push("clipPos.xyzw /= tmp;"),s.push("clipPos.xy = remapClipPos(clipPos.xy);"),s.push("clipPos.xyzw *= tmp;"),s.push("vViewPosition = clipPos;"),e.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s.push("gl_Position = clipPos;"),s.push("gl_PointSize = 1.0;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// Triangles dataTexture pick depth fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform int uLayerNumber;"),n.push("uniform vec3 uCoordinateScaler;"),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uint vFlags2;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("in highp vec3 relativeToOriginPosition;"),n.push("out highp ivec4 outCoords;"),n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0u;"),n.push("  if (clippable) {"),n.push("      float dist = 0.0;");for(var i=0;i<t.sectionPlanes.length;i++)n.push("      if (sectionPlaneActive"+i+") {"),n.push("          dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),n.push("      }");n.push("      if (dist > 0.0) { discard; }"),n.push("  }")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, uLayerNumber);"),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Bu=p.vec3(),Ou=p.vec3(),Su=p.vec3(),Nu=p.vec3(),xu=p.vec3(),Lu=p.mat4();class Mu{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const n=t.model,i=n.scene,a=i.camera,r=i.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin,{position:u,rotationMatrix:h,rotationMatrixConjugate:A}=n,d=t.aabb,f=e.pickViewMatrix||a.viewMatrix,I=Bu;let y,m;I[0]=p.safeInv(d[3]-d[0])*p.MAX_INT,I[1]=p.safeInv(d[4]-d[1])*p.MAX_INT,I[2]=p.safeInv(d[5]-d[2])*p.MAX_INT,e.snapPickCoordinateScale[0]=p.safeInv(I[0]),e.snapPickCoordinateScale[1]=p.safeInv(I[1]),e.snapPickCoordinateScale[2]=p.safeInv(I[2]),o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);const v=0!==c[0]||0!==c[1]||0!==c[2],w=0!==u[0]||0!==u[1]||0!==u[2];if(v||w){const t=Ou;if(v){const e=Su;p.transformPoint3(h,c,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=u[0],t[1]+=u[1],t[2]+=u[2],y=O(f,t,Lu),m=Nu,m[0]=a.eye[0]-t[0],m[1]=a.eye[1]-t[1],m[2]=a.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else y=f,m=a.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;if(r.uniform3fv(this._uCameraEyeRtc,m),r.uniform2fv(this._uVectorA,e.snapVectorA),r.uniform2fv(this._uInverseVectorAB,e.snapInvVectorAB),r.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),r.uniform3fv(this._uCoordinateScaler,I),r.uniform1i(this._uRenderPass,s),r.uniform1i(this._uPickInvisible,e.pickInvisible),r.uniformMatrix4fv(this._uSceneWorldModelMatrix,!1,A),r.uniformMatrix4fv(this._uViewMatrix,!1,y),r.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix),i.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,t)}const g=i._sectionPlanesState.sectionPlanes.length;if(g>0){const e=i._sectionPlanesState.sectionPlanes,s=t.layerIndex*g,a=n.renderFlags;for(let t=0;t<g;t++){const n=this._uSectionPlanes[t];if(n){const i=a.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,i?1:0),i){const s=e[t];if(c){const e=L(s.dist,s.dir,c,xu);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}l.numIndices8Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),r.drawArrays(r.TRIANGLES,0,l.numIndices8Bits)),l.numIndices16Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),r.drawArrays(r.TRIANGLES,0,l.numIndices16Bits)),l.numIndices32Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),r.drawArrays(r.TRIANGLES,0,l.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new De(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uPickInvisible=s.getLocation("pickInvisible"),this._uSceneWorldModelMatrix=s.getLocation("sceneModelWorldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc"),this._uVectorA=s.getLocation("uVectorAB"),this._uInverseVectorAB=s.getLocation("uInverseVectorAB"),this._uLayerNumber=s.getLocation("uLayerNumber"),this._uCoordinateScaler=s.getLocation("uCoordinateScaler")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("#version 300 es"),s.push("// TrianglesDataTextureSnapDepthBufInitRenderer vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("precision highp usampler2D;"),s.push("precision highp isampler2D;"),s.push("precision highp sampler2D;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("precision mediump usampler2D;"),s.push("precision mediump isampler2D;"),s.push("precision mediump sampler2D;"),s.push("#endif"),s.push("uniform int renderPass;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("uniform mat4 sceneModelWorldMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),s.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),s.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),s.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),s.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),s.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),s.push("uniform highp sampler2D uTextureModelMatrices;"),s.push("uniform vec3 uCameraEyeRtc;"),s.push("uniform vec2 uVectorAB;"),s.push("uniform vec2 uInverseVectorAB;"),s.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("out float isPerspective;")),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),s.push("vec2 remapClipPos(vec2 clipPos) {"),s.push("    float x = (clipPos.x - uVectorAB.x) * uInverseVectorAB.x;"),s.push("    float y = (clipPos.y - uVectorAB.y) * uInverseVectorAB.y;"),s.push("    return vec2(x, y);"),s.push("}"),t&&(s.push("out vec4 vWorldPosition;"),s.push("flat out uint vFlags2;")),s.push("out highp vec3 relativeToOriginPosition;"),s.push("void main(void) {"),s.push("int polygonIndex = gl_VertexID / 3;"),s.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),s.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),s.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),s.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("{"),s.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),s.push("uvec4 color = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),s.push("if (color.a == 0u) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("};"),s.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),s.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),s.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),s.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),s.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),s.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),s.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),s.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),s.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),s.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),s.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),s.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),s.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),s.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),s.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),s.push("vec3 position;"),s.push("position = positions[gl_VertexID % 3];"),s.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),s.push("if (solid != 1u) {"),s.push("  if (isPerspectiveMatrix(projMatrix)) {"),s.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),s.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),s.push("          position = positions[2 - (gl_VertexID % 3)];"),s.push("          viewNormal = -viewNormal;"),s.push("      }"),s.push("  } else {"),s.push("      if (viewNormal.z < 0.0) {"),s.push("          position = positions[2 - (gl_VertexID % 3)];"),s.push("          viewNormal = -viewNormal;"),s.push("      }"),s.push("  }"),s.push("}"),s.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),s.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),s.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),s.push("relativeToOriginPosition = worldPosition.xyz;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags2 = flags2.r;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),s.push("float tmp = clipPos.w;"),s.push("clipPos.xyzw /= tmp;"),s.push("clipPos.xy = remapClipPos(clipPos.xy);"),s.push("clipPos.z += 0.0001;"),s.push("clipPos.xyzw *= tmp;"),e.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s.push("gl_Position = clipPos;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// TrianglesDataTextureSnapDepthBufInitRenderer fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform int uLayerNumber;"),n.push("uniform vec3 uCoordinateScaler;"),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uint vFlags2;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("in highp vec3 relativeToOriginPosition;"),n.push("out highp ivec4 outCoords;"),n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0u;"),n.push("  if (clippable) {"),n.push("      float dist = 0.0;");for(var i=0;i<t.sectionPlanes.length;i++)n.push("      if (sectionPlaneActive"+i+") {"),n.push("          dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),n.push("      }");n.push("      if (dist > 0.0) { discard; }"),n.push("  }")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, - uLayerNumber);"),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Fu=p.vec3();class Hu{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){const n=t.model,i=n.scene,a=i.camera,r=i.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin;this._program||this._allocate(t),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureCameraMatrices,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);let u=a.eye;e.pickViewMatrix&&(o.bindPickCameraTexture(this._program,this._uTextureCameraMatrices),u=e.pickOrigin||u);const h=[u[0]-c[0],u[1]-c[1],u[2]-c[2]];if(r.uniform3fv(this._uCameraEyeRtc,h),r.uniform1i(this._uRenderPass,s),r.uniform3fv(this._uCameraEyeRtc,h),r.uniform1i(this._uPickInvisible,e.pickInvisible),i.logarithmicDepthBufferEnabled){const e=2/(Math.log(a.project.far+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,e)}const p=i._sectionPlanesState.sectionPlanes.length;if(p>0){const e=i._sectionPlanesState.sectionPlanes,s=t.layerIndex*p,a=n.renderFlags;for(let t=0;t<p;t++){const n=this._uSectionPlanes[t];if(n){const i=a.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,i?1:0),i){const s=e[t];if(c){const e=L(s.dist,s.dir,c,Fu);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}l.numIndices8Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),r.drawArrays(r.TRIANGLES,0,l.numIndices8Bits)),l.numIndices16Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),r.drawArrays(r.TRIANGLES,0,l.numIndices16Bits)),l.numIndices32Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),r.drawArrays(r.TRIANGLES,0,l.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new De(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uPickInvisible=s.getLocation("pickInvisible"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureCameraMatrices="uTextureCameraMatrices",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("#version 300 es"),s.push("// Triangles dataTexture pick normals vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("precision highp usampler2D;"),s.push("precision highp isampler2D;"),s.push("precision highp sampler2D;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("precision mediump usampler2D;"),s.push("precision mediump isampler2D;"),s.push("precision mediump sampler2D;"),s.push("#endif"),s.push("uniform int renderPass;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("uniform bool pickInvisible;"),s.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),s.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),s.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),s.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),s.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),s.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),s.push("uniform highp sampler2D uTextureCameraMatrices;"),s.push("uniform highp sampler2D uTextureModelMatrices;"),s.push("uniform vec3 uCameraEyeRtc;"),s.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("out float isPerspective;")),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),t&&(s.push("out vec4 vWorldPosition;"),s.push("flat out uint vFlags2;")),s.push("out vec3 vWorldNormal;"),s.push("void main(void) {"),s.push("mat4 viewMatrix = mat4 (texelFetch (uTextureCameraMatrices, ivec2(0, 0), 0), texelFetch (uTextureCameraMatrices, ivec2(1, 0), 0), texelFetch (uTextureCameraMatrices, ivec2(2, 0), 0), texelFetch (uTextureCameraMatrices, ivec2(3, 0), 0));"),s.push("mat4 projMatrix = mat4 (texelFetch (uTextureCameraMatrices, ivec2(0, 2), 0), texelFetch (uTextureCameraMatrices, ivec2(1, 2), 0), texelFetch (uTextureCameraMatrices, ivec2(2, 2), 0), texelFetch (uTextureCameraMatrices, ivec2(3, 2), 0));"),s.push("mat4 worldMatrix = mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),s.push("int polygonIndex = gl_VertexID / 3;"),s.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),s.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),s.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),s.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("if (int(flags.w) != renderPass) {"),s.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),s.push("   return;"),s.push("} else {"),s.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),s.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),s.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),s.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),s.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),s.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),s.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),s.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),s.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),s.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),s.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),s.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),s.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),s.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),s.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),s.push("vec3 position;"),s.push("position = positions[gl_VertexID % 3];"),s.push("if (solid != 1u) {"),s.push("if (isPerspectiveMatrix(projMatrix)) {"),s.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),s.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),s.push("position = positions[2 - (gl_VertexID % 3)];"),s.push("normal = -normal;"),s.push("}"),s.push("} else {"),s.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),s.push("if (viewNormal.z < 0.0) {"),s.push("position = positions[2 - (gl_VertexID % 3)];"),s.push("normal = -normal;"),s.push("}"),s.push("}"),s.push("}"),s.push("normal = -normal;"),s.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),s.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),s.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),s.push("vec4 viewPosition = viewMatrix * worldPosition; "),s.push("vWorldNormal = normal.xyz;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags2 = flags2.w;")),s.push("gl_Position = clipPos;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// Triangles dataTexture pick normals fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uint vFlags2;");for(var i=0;i<t.sectionPlanes.length;i++)n.push("uniform bool sectionPlaneActive"+i+";"),n.push("uniform vec3 sectionPlanePos"+i+";"),n.push("uniform vec3 sectionPlaneDir"+i+";")}if(n.push("in vec3 vWorldNormal;"),n.push("out vec4 outNormal;"),n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0u;"),n.push("  if (clippable) {"),n.push("      float dist = 0.0;");for(i=0;i<t.sectionPlanes.length;i++)n.push("      if (sectionPlaneActive"+i+") {"),n.push("          dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),n.push("      }");n.push("      if (dist > 0.0) { discard; }"),n.push("  }")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("    outNormal = vec4((vWorldNormal * 0.5) + 0.5, 1.0);"),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}p.vec3(),p.vec3(),p.vec3(),p.vec3(),p.mat4();class Uu{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new De(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uWorldMatrix=s.getLocation("worldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._aPosition=s.getAttribute("position"),this._aOffset=s.getAttribute("offset"),this._aColor=s.getAttribute("color"),this._aFlags=s.getAttribute("flags"),this._aFlags2=s.getAttribute("flags2"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC"))}_bindProgram(){const e=this._scene,t=e.canvas.gl,s=e.camera.project;if(this._program.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,s.matrix),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("#version 300 es"),s.push("// TrianglesDataTextureColorRenderer vertex shader"),s.push("uniform int renderPass;"),s.push("attribute vec3 position;"),e.entityOffsetsEnabled&&s.push("attribute vec3 offset;"),s.push("attribute vec4 color;"),s.push("attribute vec4 flags;"),s.push("attribute vec4 flags2;"),s.push("uniform mat4 worldMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform mat4 positionsDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),Ae.SUPPORTED_EXTENSIONS.EXT_frag_depth&&s.push("out float vFragDepth;"),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),s.push("out float isPerspective;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out vec4 vFlags2;")),s.push("void main(void) {"),s.push("if (int(flags.x) != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags2 = flags2;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s.push("gl_Position = clipPos;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// TrianglesDataTextureColorRenderer fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s){n.push("in vec4 vWorldPosition;"),n.push("in vec4 vFlags2;");for(let e=0;e<t.sectionPlanes.length;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("void main(void) {"),s){n.push("  bool clippable = (float(vFlags2.x) > 0.0);"),n.push("  if (clippable) {"),n.push("      float dist = 0.0;");for(let e=0;e<t.sectionPlanes.length;e++)n.push("      if (sectionPlaneActive"+e+") {"),n.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("      }");n.push("      if (dist > 0.0) { discard; }"),n.push("  }")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepthEXT = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("   gl_FragColor = vec4(0.0, 0.0, 1.0, 1.0); "),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Gu=p.vec3(),Vu=p.vec3(),ju=p.vec3(),ku=p.vec3(),Qu=p.mat4();class Wu{constructor(e){this._scene=e,this._allocate(),this._hash=this._getHash()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){const n=this._scene,i=n.camera,a=t.model,r=n.canvas.gl,l=t._state,o=l.textureState,c=t._state.origin,{position:u,rotationMatrix:h,rotationMatrixConjugate:A}=a;if(!this._program&&(this._allocate(),this.errors))return;let d,f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,l)),o.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);const I=0!==c[0]||0!==c[1]||0!==c[2],y=0!==u[0]||0!==u[1]||0!==u[2];if(I||y){const e=Gu;if(I){const t=p.transformPoint3(h,c,Vu);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=u[0],e[1]+=u[1],e[2]+=u[2],d=O(i.viewMatrix,e,Qu),f=ju,f[0]=i.eye[0]-e[0],f[1]=i.eye[1]-e[1],f[2]=i.eye[2]-e[2]}else d=i.viewMatrix,f=i.eye;if(r.uniformMatrix4fv(this._uSceneModelWorldMatrix,!1,A),r.uniformMatrix4fv(this._uViewMatrix,!1,d),r.uniformMatrix4fv(this._uProjMatrix,!1,i.projMatrix),r.uniform3fv(this._uCameraEyeRtc,f),r.uniform1i(this._uRenderPass,s),n.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,t)}const m=n._sectionPlanesState.sectionPlanes.length;if(m>0){const e=n._sectionPlanesState.sectionPlanes,s=t.layerIndex*m,i=a.renderFlags;for(let t=0;t<m;t++){const n=this._uSectionPlanes[t];if(n){const a=i.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,a?1:0),a){const s=e[t];if(c){const e=L(s.dist,s.dir,c,ku);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}l.numIndices8Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),r.drawArrays(r.TRIANGLES,0,l.numIndices8Bits)),l.numIndices16Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),r.drawArrays(r.TRIANGLES,0,l.numIndices16Bits)),l.numIndices32Bits>0&&(o.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),r.drawArrays(r.TRIANGLES,0,l.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new De(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uSceneModelWorldMatrix=s.getLocation("sceneModelWorldMatrix"),this._uWorldMatrix=s.getLocation("worldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,s=t.canvas.gl,n=this._program,i=t.camera.project;if(n.bind(),s.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(i.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState;e._lightsState;const s=t.sectionPlanes.length>0,n=[];return n.push("#version 300 es"),n.push("// Triangles dataTexture draw vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("precision highp usampler2D;"),n.push("precision highp isampler2D;"),n.push("precision highp sampler2D;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("precision mediump usampler2D;"),n.push("precision mediump isampler2D;"),n.push("precision mediump sampler2D;"),n.push("#endif"),n.push("uniform int renderPass;"),e.entityOffsetsEnabled&&n.push("in vec3 offset;"),n.push("uniform mat4 sceneModelWorldMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),n.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),n.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),n.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),n.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),n.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),n.push("uniform highp sampler2D uTextureModelMatrices;"),n.push("uniform vec3 uCameraEyeRtc;"),n.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("out float isPerspective;")),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out highp vec2 vHighPrecisionZW;"),s&&(n.push("out vec4 vWorldPosition;"),n.push("flat out uint vFlags2;")),n.push("void main(void) {"),n.push("int polygonIndex = gl_VertexID / 3;"),n.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),n.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),n.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),n.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),n.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),n.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),n.push("if (int(flags.x) != renderPass) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("} else {"),n.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),n.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),n.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),n.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),n.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),n.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),n.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),n.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),n.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),n.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),n.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),n.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),n.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),n.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),n.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),n.push("uvec4 color = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),n.push("if (color.a == 0u) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("};"),n.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),n.push("vec3 position;"),n.push("position = positions[gl_VertexID % 3];"),n.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),n.push("if (solid != 1u) {"),n.push("if (isPerspectiveMatrix(projMatrix)) {"),n.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),n.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),n.push("position = positions[2 - (gl_VertexID % 3)];"),n.push("viewNormal = -viewNormal;"),n.push("}"),n.push("} else {"),n.push("if (viewNormal.z < 0.0) {"),n.push("position = positions[2 - (gl_VertexID % 3)];"),n.push("viewNormal = -viewNormal;"),n.push("}"),n.push("}"),n.push("}"),n.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),n.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),n.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),n.push("vec4 viewPosition = viewMatrix * worldPosition; "),n.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(n.push("vWorldPosition = worldPosition;"),n.push("vFlags2 = flags2.r;")),n.push("gl_Position = clipPos;"),n.push("vHighPrecisionZW = gl_Position.zw;"),n.push("}"),n.push("}"),n}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// Triangles dataTexture draw fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),n.push("in highp vec2 vHighPrecisionZW;"),n.push("out vec4 outColor;"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s){n.push("in vec4 vWorldPosition;"),n.push("flat in uint vFlags2;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0u;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,s=t.sectionPlanes.length;e<s;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { "),n.push("      discard;"),n.push("  }"),n.push("}")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),n.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const zu=p.vec3(),Ku=p.vec3(),Yu=p.vec3(),Xu=p.vec3(),qu=p.mat4();class Ju{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){const n=t.model,i=n.scene,a=i.camera,r=i.canvas.gl,l=t._state,o=t._state.origin,{position:c,rotationMatrix:u,rotationMatrixConjugate:h}=n,A=a.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let d,f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(t));const I=0!==o[0]||0!==o[1]||0!==o[2],y=0!==c[0]||0!==c[1]||0!==c[2];if(I||y){const e=zu;if(I){const t=Ku;p.transformPoint3(u,o,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=c[0],e[1]+=c[1],e[2]+=c[2],d=O(A,e,qu),f=Yu,f[0]=a.eye[0]-e[0],f[1]=a.eye[1]-e[1],f[2]=a.eye[2]-e[2]}else d=A,f=a.eye;r.uniform1i(this._uRenderPass,s),r.uniformMatrix4fv(this._uWorldMatrix,!1,h),r.uniformMatrix4fv(this._uViewMatrix,!1,d),r.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix),r.uniformMatrix4fv(this._uViewNormalMatrix,!1,a.viewNormalMatrix),r.uniformMatrix4fv(this._uWorldNormalMatrix,!1,n.worldNormalMatrix);const m=i._sectionPlanesState.sectionPlanes.length;if(m>0){const e=i._sectionPlanesState.sectionPlanes,s=t.layerIndex*m,a=n.renderFlags;for(let t=0;t<m;t++){const n=this._uSectionPlanes[t];if(n){const i=a.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,i?1:0),i){const s=e[t];if(o){const e=L(s.dist,s.dir,o,Xu);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}}r.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,t._state.positionsDecodeMatrix),this._aPosition.bindArrayBuffer(l.positionsBuf),this._aOffset.bindArrayBuffer(l.offsetsBuf),this._aNormal.bindArrayBuffer(l.normalsBuf),this._aColor.bindArrayBuffer(l.colorsBuf),this._aFlags.bindArrayBuffer(l.flagsBuf),this._aFlags2&&this._aFlags2.bindArrayBuffer(l.flags2Buf),l.indicesBuf.bind(),r.drawElements(r.TRIANGLES,l.indicesBuf.numItems,l.indicesBuf.itemType,0)}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new De(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uWorldMatrix=s.getLocation("worldMatrix"),this._uWorldNormalMatrix=s.getLocation("worldNormalMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uViewNormalMatrix=s.getLocation("viewNormalMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._aPosition=s.getAttribute("position"),this._aOffset=s.getAttribute("offset"),this._aNormal=s.getAttribute("normal"),this._aColor=s.getAttribute("color"),this._aFlags=s.getAttribute("flags"),this._aFlags2&&(this._aFlags2=s.getAttribute("flags2")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC"))}_bindProgram(){const e=this._scene,t=e.canvas.gl,s=e.camera.project;if(this._program.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,s.matrix),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("// Batched geometry normals vertex shader"),e.logarithmicDepthBufferEnabled&&Ae.SUPPORTED_EXTENSIONS.EXT_frag_depth&&s.push("#extension GL_EXT_frag_depth : enable"),s.push("uniform int renderPass;"),s.push("attribute vec3 position;"),e.entityOffsetsEnabled&&s.push("attribute vec3 offset;"),s.push("attribute vec3 normal;"),s.push("attribute vec4 color;"),s.push("attribute vec4 flags;"),s.push("attribute vec4 flags2;"),s.push("uniform mat4 worldMatrix;"),s.push("uniform mat4 worldNormalMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform mat4 viewNormalMatrix;"),s.push("uniform mat4 positionsDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),Ae.SUPPORTED_EXTENSIONS.EXT_frag_depth&&s.push("out float vFragDepth;"),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),s.push("varying float isPerspective;")),s.push("vec3 octDecode(vec2 oct) {"),s.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),s.push("    if (v.z < 0.0) {"),s.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),s.push("    }"),s.push("    return normalize(v);"),s.push("}"),t&&(s.push("out vec4 vWorldPosition;"),s.push("out vec4 vFlags2;")),s.push("out vec3 vViewNormal;"),s.push("void main(void) {"),s.push("if (int(flags.x) != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),s.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),s.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(s.push("      vWorldPosition  = worldPosition;"),s.push("      vFlags2         = flags2;")),s.push("      vViewNormal = viewNormal;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(Ae.SUPPORTED_EXTENSIONS.EXT_frag_depth?s.push("vFragDepth = 1.0 + clipPos.w;"):(s.push("clipPos.z = log2( max( 1e-6, clipPos.w + 1.0 ) ) * logDepthBufFC - 1.0;"),s.push("clipPos.z *= clipPos.w;")),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s.push("gl_Position = clipPos;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// Batched geometry normals fragment shader"),e.logarithmicDepthBufferEnabled&&Ae.SUPPORTED_EXTENSIONS.EXT_frag_depth&&n.push("#extension GL_EXT_frag_depth : enable"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&Ae.SUPPORTED_EXTENSIONS.EXT_frag_depth&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s){n.push("in vec4 vWorldPosition;"),n.push("in vec4 vFlags2;");for(let e=0;e<t.sectionPlanes.length;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("in vec3 vViewNormal;"),n.push("vec3 packNormalToRGB( const in vec3 normal ) {"),n.push("    return normalize( normal ) * 0.5 + 0.5;"),n.push("}"),n.push("void main(void) {"),s){n.push("  bool clippable = (float(vFlags2.x) > 0.0);"),n.push("  if (clippable) {"),n.push("      float dist = 0.0;");for(var i=0;i<t.sectionPlanes.length;i++)n.push("      if (sectionPlaneActive"+i+") {"),n.push("          dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),n.push("      }");n.push("      if (dist > 0.0) { discard; }"),n.push("  }")}return e.logarithmicDepthBufferEnabled&&Ae.SUPPORTED_EXTENSIONS.EXT_frag_depth&&n.push("    gl_FragDepthEXT = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("    gl_FragColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Zu=p.vec3();class $u{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,s){const n=t.model,i=n.scene,a=i.camera,r=i.canvas.gl,l=t._state,o=t._state.origin;this._program||this._allocate(t),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),this._program.bindTexture(this._uTexturePerObjectIdPositionsDecodeMatrix,{bind:function(e){return r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,l.texturePerObjectIdPositionsDecodeMatrix),!0},unbind:function(e){r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,null)}},1),this._program.bindTexture(this._uTexturePerVertexIdCoordinates,{bind:function(e){return r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,l.texturePerVertexIdCoordinates),!0},unbind:function(e){r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,null)}},2),this._program.bindTexture(this._uTexturePerObjectIdColorsAndFlags,{bind:function(e){return r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,l.texturePerObjectIdColorsAndFlags),!0},unbind:function(e){r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,null)}},3),r.uniform1i(this._uRenderPass,s),r.uniform1i(this._uPickInvisible,e.pickInvisible),r.uniformMatrix4fv(this._uWorldMatrix,!1,n.worldMatrix);const c=e.pickViewMatrix||a.viewMatrix,u=o?O(c,o):c;if(r.uniformMatrix4fv(this._uViewMatrix,!1,u),r.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),i.logarithmicDepthBufferEnabled){const e=2/(Math.log(a.project.far+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,e)}const h=i._sectionPlanesState.sectionPlanes.length;if(h>0){const e=i._sectionPlanesState.sectionPlanes,s=t.layerIndex*h,a=n.renderFlags;for(let t=0;t<h;t++){const n=this._uSectionPlanes[t],i=a.sectionPlanesActivePerLayer[s+t];if(r.uniform1i(n.active,i?1:0),i){const s=e[t];if(o){const e=L(s.dist,s.dir,o,Zu);r.uniform3fv(n.pos,e)}else r.uniform3fv(n.pos,s.pos);r.uniform3fv(n.dir,s.dir)}}}l.numIndices8Bits>0&&(this._program.bindTexture(this._uTexturePerPolygonIdPortionIds,{bind:function(e){return r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,l.texturePerPolygonIdPortionIds8Bits),!0},unbind:function(e){r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,null)}},4),this._program.bindTexture(this._uTexturePerPolygonIdIndices,{bind:function(e){return r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,l.texturePerPolygonIdIndices8Bits),!0},unbind:function(e){r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,null)}},5),r.drawArrays(r.TRIANGLES,0,l.numIndices8Bits)),l.numIndices16Bits>0&&(this._program.bindTexture(this._uTexturePerPolygonIdPortionIds,{bind:function(e){return r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,l.texturePerPolygonIdPortionIds16Bits),!0},unbind:function(e){r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,null)}},4),this._program.bindTexture(this._uTexturePerPolygonIdIndices,{bind:function(e){return r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,l.texturePerPolygonIdIndices16Bits),!0},unbind:function(e){r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,null)}},5),r.drawArrays(r.TRIANGLES,0,l.numIndices16Bits)),l.numIndices32Bits>0&&(this._program.bindTexture(this._uTexturePerPolygonIdPortionIds,{bind:function(e){return r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,l.texturePerPolygonIdPortionIds32Bits),!0},unbind:function(e){r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,null)}},4),this._program.bindTexture(this._uTexturePerPolygonIdIndices,{bind:function(e){return r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,l.texturePerPolygonIdIndices32Bits),!0},unbind:function(e){r.activeTexture(r["TEXTURE"+e]),r.bindTexture(r.TEXTURE_2D,null)}},5),r.drawArrays(r.TRIANGLES,0,l.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new De(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uPickInvisible=s.getLocation("pickInvisible"),this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uWorldMatrix=s.getLocation("worldMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,n=e._sectionPlanesState.sectionPlanes.length;t<n;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._aPackedVertexId=s.getAttribute("packedVertexId"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds"}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,s=[];return s.push("#version 300 es"),s.push("// Triangles dataTexture pick flat normals vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("precision highp usampler2D;"),s.push("precision highp isampler2D;"),s.push("precision highp sampler2D;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("precision mediump usampler2D;"),s.push("precision mediump isampler2D;"),s.push("precision mediump sampler2D;"),s.push("#endif"),s.push("uniform int renderPass;"),s.push("in uvec3 packedVertexId;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("uniform bool pickInvisible;"),s.push("uniform mat4 worldMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),s.push("uniform usampler2D uTexturePerObjectIdColorsAndFlags;"),s.push("uniform usampler2D uTexturePerVertexIdCoordinates;"),s.push("uniform usampler2D uTexturePerPolygonIdIndices;"),s.push("uniform isampler2D uTexturePerPolygonIdNormals;"),s.push("uniform usampler2D uTexturePerPolygonIdPortionIds;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),s.push("out float isPerspective;")),s.push("out vec4 vWorldPosition;"),t&&s.push("out int vFlags2;"),s.push("void main(void) {"),s.push("int polygonIndex = gl_VertexID / 3;"),s.push("int h_normal_index = polygonIndex & 4095;"),s.push("int v_normal_index = polygonIndex >> 12;"),s.push("int h_packed_object_id_index = ((polygonIndex >> 3) / 2) & 4095;"),s.push("int v_packed_object_id_index = ((polygonIndex >> 3) / 2) >> 12;"),s.push("ivec3 packedObjectId = ivec3(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).rgb);"),s.push("int objectIndex;"),s.push("if (((polygonIndex >> 3) % 2) == 0) {"),s.push("  objectIndex = (packedObjectId.r << 4) + (packedObjectId.g >> 4);"),s.push("} else {"),s.push("  objectIndex = ((packedObjectId.g & 15) << 8) + packedObjectId.b;"),s.push("}"),s.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),s.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),s.push("int h_index = polygonIndex & 4095;"),s.push("int v_index = polygonIndex >> 12;"),s.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),s.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),s.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),s.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),s.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),s.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),s.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),s.push("vec3 position1 = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),s.push("vec3 position2 = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),s.push("vec3 position3 = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),s.push("vec3 normal = normalize(cross(position3 - position1, position2 - position1));"),s.push("int vertexNumber = gl_VertexID % 3;"),s.push("vec3 position;"),s.push("if (vertexNumber == 0) position = position1;"),s.push("else if (vertexNumber == 1) position = position2;"),s.push("else position = position3;"),s.push("if (int(flags.w) != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("      vWorldPosition = worldPosition;"),t&&s.push("      vFlags2 = flags2.r;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s.push("gl_Position = clipPos;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,s=t.sectionPlanes.length>0,n=[];if(n.push("#version 300 es"),n.push("// Triangles dataTexture pick flat normals fragment shader"),n.push("#extension GL_OES_standard_derivatives : enable"),e.logarithmicDepthBufferEnabled&&n.push("#extension GL_EXT_frag_depth : enable"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("in vec4 vWorldPosition;"),s){n.push("in int vFlags2;");for(var i=0;i<t.sectionPlanes.length;i++)n.push("uniform bool sectionPlaneActive"+i+";"),n.push("uniform vec3 sectionPlanePos"+i+";"),n.push("uniform vec3 sectionPlaneDir"+i+";")}if(n.push("out vec4 outNormal;"),n.push("void main(void) {"),s){n.push("  bool clippable = vFlags2 > 0;"),n.push("  if (clippable) {"),n.push("      float dist = 0.0;");for(i=0;i<t.sectionPlanes.length;i++)n.push("      if (sectionPlaneActive"+i+") {"),n.push("          dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),n.push("      }");n.push("      if (dist > 0.0) { discard; }"),n.push("  }")}return e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),n.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),n.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),n.push("  outNormal = vec4((worldNormal * 0.5) + 0.5, 1.0);"),n.push("}"),n}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class eh{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorQualityRendererWithSAO&&!this._colorQualityRendererWithSAO.getValid()&&(this._colorQualityRendererWithSAO.destroy(),this._colorQualityRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._vertexDepthRenderer&&!this._vertexDepthRenderer.getValid()&&(this._vertexDepthRenderer.destroy(),this._vertexDepthRenderer=null),this._snapDepthBufInitRenderer&&!this._snapDepthBufInitRenderer.getValid()&&(this._snapDepthBufInitRenderer.destroy(),this._snapDepthBufInitRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new Kc(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new Kc(this._scene,!0)),this._colorRendererWithSAO}get colorQualityRendererWithSAO(){return this._colorQualityRendererWithSAO||(this._colorQualityRendererWithSAO=new TrianglesDataTextureColorQualityRenderer(this._scene,!0)),this._colorQualityRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new eu(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new Wu(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new Ju(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new ru(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new hu(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Iu(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new Hu(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new $u(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new Tu(this._scene)),this._pickDepthRenderer}get vertexDepthRenderer(){return this._vertexDepthRenderer||(this._vertexDepthRenderer=new _u(this._scene)),this._vertexDepthRenderer}get snapDepthBufInitRenderer(){return this._snapDepthBufInitRenderer||(this._snapDepthBufInitRenderer=new Mu(this._scene)),this._snapDepthBufInitRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new Uu(this._scene)),this._occlusionRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorQualityRendererWithSAO&&this._colorQualityRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._vertexDepthRenderer&&this._vertexDepthRenderer.destroy(),this._snapDepthBufInitRenderer&&this._snapDepthBufInitRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy()}}const th={};class sh{constructor(){this.positionsCompressed=[],this.metallicRoughness=[],this.indices8Bits=[],this.indices16Bits=[],this.indices32Bits=[],this.edgeIndices8Bits=[],this.edgeIndices16Bits=[],this.edgeIndices32Bits=[],this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perObjectEdgeIndexBaseOffsets=[],this.perTriangleNumberPortionId8Bits=[],this.perTriangleNumberPortionId16Bits=[],this.perTriangleNumberPortionId32Bits=[],this.perEdgeNumberPortionId8Bits=[],this.perEdgeNumberPortionId16Bits=[],this.perEdgeNumberPortionId32Bits=[]}}class nh{constructor(){this.texturePerObjectIdColorsAndFlags=null,this.texturePerObjectIdOffsets=null,this.texturePerObjectIdPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerPolygonIdPortionIds8Bits=null,this.texturePerPolygonIdPortionIds16Bits=null,this.texturePerPolygonIdPortionIds32Bits=null,this.texturePerEdgeIdPortionIds8Bits=null,this.texturePerEdgeIdPortionIds16Bits=null,this.texturePerEdgeIdPortionIds32Bits=null,this.texturePerPolygonIdIndices8Bits=null,this.texturePerPolygonIdIndices16Bits=null,this.texturePerPolygonIdIndices32Bits=null,this.texturePerPolygonIdEdgeIndices8Bits=null,this.texturePerPolygonIdEdgeIndices16Bits=null,this.texturePerPolygonIdEdgeIndices32Bits=null,this.textureModelMatrices=null}finalize(){this.indicesPerBitnessTextures={8:this.texturePerPolygonIdIndices8Bits,16:this.texturePerPolygonIdIndices16Bits,32:this.texturePerPolygonIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerPolygonIdPortionIds8Bits,16:this.texturePerPolygonIdPortionIds16Bits,32:this.texturePerPolygonIdPortionIds32Bits},this.edgeIndicesPerBitnessTextures={8:this.texturePerPolygonIdEdgeIndices8Bits,16:this.texturePerPolygonIdEdgeIndices16Bits,32:this.texturePerPolygonIdEdgeIndices32Bits},this.edgeIndicesPortionIdsPerBitnessTextures={8:this.texturePerEdgeIdPortionIds8Bits,16:this.texturePerEdgeIdPortionIds16Bits,32:this.texturePerEdgeIdPortionIds32Bits}}bindCommonTextures(e,t,s,n,i,a){this.texturePerObjectIdPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,s,2),this.texturePerObjectIdColorsAndFlags.bindTexture(e,n,3),this.textureModelMatrices.bindTexture(e,i,4),this.texturePerObjectIdOffsets.bindTexture(e,a,5)}bindPickCameraTexture(e,t){}bindTriangleIndicesTextures(e,t,s,n){this.indicesPortionIdsPerBitnessTextures[n].bindTexture(e,t,6),this.indicesPerBitnessTextures[n].bindTexture(e,s,7)}bindEdgeIndicesTextures(e,t,s,n){this.edgeIndicesPortionIdsPerBitnessTextures[n].bindTexture(e,t,6),this.edgeIndicesPerBitnessTextures[n].bindTexture(e,s,7)}}class ih{constructor(e,t,s,n,i=null){this._gl=e,this._texture=t,this._textureWidth=s,this._textureHeight=n,this._textureData=i}bindTexture(e,t,s){return e.bindTexture(t,this,s)}bind(e){return this._gl.activeTexture(this._gl["TEXTURE"+e]),this._gl.bindTexture(this._gl.TEXTURE_2D,this._texture),!0}unbind(e){}}const ah={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTextureEdgeIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalPolygons:0,totalPolygons8Bits:0,totalPolygons16Bits:0,totalPolygons32Bits:0,totalEdges:0,totalEdges8Bits:0,totalEdges16Bits:0,totalEdges32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(ah,null,4));let e=0;Object.keys(ah).forEach((t=>{t.startsWith("size")&&(e+=ah[t])})),console.log(`Total size ${e} bytes (${(e/1e3/1e3).toFixed(2)} MB)`),console.log(`Avg bytes / triangle: ${(e/ah.totalPolygons).toFixed(2)}`);let t={};Object.keys(ah).forEach((s=>{s.startsWith("size")&&(t[s]=`${(ah[s]/e*100).toFixed(2)} % of total`)})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};class rh{disableBindedTextureFiltering(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}generateCameraDataTexture(e,t,s,n){const i=e.createTexture();e.bindTexture(e.TEXTURE_2D,i),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,4,3),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null);const a=new ih(e,i,4,3);let r=!0;a.updateViewMatrix=(s,i)=>{e.bindTexture(e.TEXTURE_2D,a._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,4,1,e.RGBA,e.FLOAT,new Float32Array(n?O(s,n):s)),e.texSubImage2D(e.TEXTURE_2D,0,0,1,4,1,e.RGBA,e.FLOAT,new Float32Array(t.viewNormalMatrix)),e.texSubImage2D(e.TEXTURE_2D,0,0,2,4,1,e.RGBA,e.FLOAT,new Float32Array(i))};const l=()=>{r&&(r=!1,a.updateViewMatrix(t.viewMatrix,t.project.matrix))};return t.on("matrix",(()=>r=!0)),s.on("rendering",l),l(),a}generatePickCameraDataTexture(e,t,s){const n=e.createTexture();e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,4,3),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null);const i=new ih(e,n,4,3);return i.updateViewMatrix=(n,a)=>{e.bindTexture(e.TEXTURE_2D,i._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,4,1,e.RGBA,e.FLOAT,new Float32Array(s?O(n,s):n)),e.texSubImage2D(e.TEXTURE_2D,0,0,1,4,1,e.RGBA,e.FLOAT,new Float32Array(t.viewNormalMatrix)),e.texSubImage2D(e.TEXTURE_2D,0,0,2,4,1,e.RGBA,e.FLOAT,new Float32Array(a))},i}generateModelTexture(e,t){const s=e.createTexture();return e.bindTexture(e.TEXTURE_2D,s),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,4,2),e.texSubImage2D(e.TEXTURE_2D,0,0,0,4,1,e.RGBA,e.FLOAT,new Float32Array(t.worldMatrix)),e.texSubImage2D(e.TEXTURE_2D,0,0,1,4,1,e.RGBA,e.FLOAT,new Float32Array(t.worldNormalMatrix)),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new ih(e,s,4,2)}generateTextureForColorsAndFlags(e,t,s,n,i,a,r){const l=t.length;this.numPortions=l;const o=4096,c=Math.ceil(l/512);if(0===c)throw"texture height===0";const u=new Uint8Array(16384*c);ah.sizeDataColorsAndFlags+=u.byteLength,ah.numberOfTextures++;for(let e=0;e<l;e++)u.set(t[e],32*e+0),u.set(s[e],32*e+4),u.set([0,0,0,0],32*e+8),u.set([0,0,0,0],32*e+12),u.set([n[e]>>24&255,n[e]>>16&255,n[e]>>8&255,255&n[e]],32*e+16),u.set([i[e]>>24&255,i[e]>>16&255,i[e]>>8&255,255&i[e]],32*e+20),u.set([a[e]>>24&255,a[e]>>16&255,a[e]>>8&255,255&a[e]],32*e+24),u.set([r[e]?1:0,0,0,0],32*e+28);const h=e.createTexture();return e.bindTexture(e.TEXTURE_2D,h),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,o,c),e.texSubImage2D(e.TEXTURE_2D,0,0,0,o,c,e.RGBA_INTEGER,e.UNSIGNED_BYTE,u,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new ih(e,h,o,c,u)}generateTextureForObjectOffsets(e,t){const s=512,n=Math.ceil(t/s);if(0===n)throw"texture height===0";const i=new Float32Array(1536*n).fill(0);ah.sizeDataTextureOffsets+=i.byteLength,ah.numberOfTextures++;const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RGB,e.FLOAT,i,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new ih(e,a,s,n,i)}generateTextureForPositionsDecodeMatrices(e,t,s){const n=t.length;if(0===n)throw"num decode+entity matrices===0";const i=2048,a=Math.ceil(n/512),r=new Float32Array(8192*a);ah.sizeDataPositionDecodeMatrices+=r.byteLength,ah.numberOfTextures++;const l=p.mat4();for(let e=0;e<t.length;e++)r.set(p.mulMat4(s[e],t[e],l),16*e);const o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,i,a),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,a,e.RGBA,e.FLOAT,r,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new ih(e,o,i,a)}generateTextureFor8BitIndices(e,t){if(0===t.length)return{texture:null,textureHeight:0};const s=4096,n=Math.ceil(t.length/3/s);if(0===n)throw"texture height===0";const i=new Uint8Array(s*n*3);ah.sizeDataTextureIndices+=i.byteLength,ah.numberOfTextures++,i.fill(0),i.set(t,0);const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RGB_INTEGER,e.UNSIGNED_BYTE,i,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new ih(e,a,s,n)}generateTextureFor16BitIndices(e,t){if(0===t.length)return{texture:null,textureHeight:0};const s=4096,n=Math.ceil(t.length/3/s);if(0===n)throw"texture height===0";const i=new Uint16Array(s*n*3);ah.sizeDataTextureIndices+=i.byteLength,ah.numberOfTextures++,i.fill(0),i.set(t,0);const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RGB_INTEGER,e.UNSIGNED_SHORT,i,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new ih(e,a,s,n)}generateTextureFor32BitIndices(e,t){if(0===t.length)return{texture:null,textureHeight:0};const s=4096,n=Math.ceil(t.length/3/s);if(0===n)throw"texture height===0";const i=new Uint32Array(s*n*3);ah.sizeDataTextureIndices+=i.byteLength,ah.numberOfTextures++,i.fill(0),i.set(t,0);const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RGB_INTEGER,e.UNSIGNED_INT,i,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new ih(e,a,s,n)}generateTextureFor8BitsEdgeIndices(e,t){if(0===t.length)return{texture:null,textureHeight:0};const s=4096,n=Math.ceil(t.length/2/s);if(0===n)throw"texture height===0";const i=new Uint8Array(s*n*2);ah.sizeDataTextureEdgeIndices+=i.byteLength,ah.numberOfTextures++,i.fill(0),i.set(t,0);const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RG8UI,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RG_INTEGER,e.UNSIGNED_BYTE,i,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new ih(e,a,s,n)}generateTextureFor16BitsEdgeIndices(e,t){if(0===t.length)return{texture:null,textureHeight:0};const s=4096,n=Math.ceil(t.length/2/s);if(0===n)throw"texture height===0";const i=new Uint16Array(s*n*2);ah.sizeDataTextureEdgeIndices+=i.byteLength,ah.numberOfTextures++,i.fill(0),i.set(t,0);const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RG16UI,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RG_INTEGER,e.UNSIGNED_SHORT,i,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new ih(e,a,s,n)}generateTextureFor32BitsEdgeIndices(e,t){if(0===t.length)return{texture:null,textureHeight:0};const s=4096,n=Math.ceil(t.length/2/s);if(0===n)throw"texture height===0";const i=new Uint32Array(s*n*2);ah.sizeDataTextureEdgeIndices+=i.byteLength,ah.numberOfTextures++,i.fill(0),i.set(t,0);const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RG32UI,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RG_INTEGER,e.UNSIGNED_INT,i,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new ih(e,a,s,n)}generateTextureForPositions(e,t){const s=t.length/3,n=4096,i=Math.ceil(s/n);if(0===i)throw"texture height===0";const a=new Uint16Array(n*i*3);ah.sizeDataTexturePositions+=a.byteLength,ah.numberOfTextures++,a.fill(0),a.set(t,0);const r=e.createTexture();return e.bindTexture(e.TEXTURE_2D,r),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,n,i),e.texSubImage2D(e.TEXTURE_2D,0,0,0,n,i,e.RGB_INTEGER,e.UNSIGNED_SHORT,a,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new ih(e,r,n,i)}generateTextureForPackedPortionIds(e,t){if(0===t.length)return{texture:null,textureHeight:0};const s=t.length,n=4096,i=Math.ceil(s/n);if(0===i)throw"texture height===0";const a=new Uint16Array(n*i);a.set(t,0),ah.sizeDataTexturePortionIds+=a.byteLength,ah.numberOfTextures++;const r=e.createTexture();return e.bindTexture(e.TEXTURE_2D,r),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,n,i),e.texSubImage2D(e.TEXTURE_2D,0,0,0,n,i,e.RED_INTEGER,e.UNSIGNED_SHORT,a,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new ih(e,r,n,i)}}const lh=p.vec4([0,0,0,1]),oh=p.vec4([0,0,0,1]),ch=p.vec4([0,0,0,1]),uh=new Uint8Array(4),hh=new Float32Array(3),ph=p.AABB3();let Ah=0;const dh=p.identityMat4();class fh{constructor(e,t){ah.numberOfLayers++,this._layerNumber=Ah++,this.sortId=`TriDTX-${this._layerNumber}`,this.layerIndex=t.layerIndex,this._dataTextureRenderers=function(e){const t=e.id;let s=th[t];return s||(s=new eh(e),th[t]=s,s._compile(),e.on("compile",(()=>{s._compile()})),e.on("destroyed",(()=>{delete th[t],s._destroy()}))),s}(e.scene),this.model=e,this._buffer=new sh,this._dataTextureState=new nh,this._dataTextureGenerator=new rh,this._state=new ze({origin:p.vec3(t.origin),metallicRoughnessBuf:null,positionsDecodeMatrix:p.mat4(),textureState:this._dataTextureState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numEdgeIndices8Bits:0,numEdgeIndices16Bits:0,numEdgeIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this._portionToSubPortionsMap=[],this._bucketGeometries={},this.aabb=p.collapseAABB3(),this._numUpdatesInFrame=0,this._finalized=!1}canCreatePortion(e){if(this._finalized)throw"Already finalized";const t=e.buckets.length;this._numPortions+t>65536&&ah.cannotCreatePortion.because10BitsObjectId++;let s=this._numPortions+t<=65536;const n=void 0!==e.geometryId&&null!==e.geometryId?`${e.geometryId}#0`:`${e.id}#0`;if(!this._bucketGeometries[n]){const t=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits);let n=0,i=0;e.buckets.forEach((e=>{n+=e.positionsCompressed.length/3,i+=e.indices.length/3})),(this._state.numVertices+n>16777216||t+i>16777216)&&ah.cannotCreatePortion.becauseTextureSize++,s&&=this._state.numVertices+n<=16777216&&t+i<=16777216}return s}createPortion(e){if(this._finalized)throw"Already finalized";const t=[],s=e.worldAABB;e.buckets.forEach(((n,i)=>{const a=void 0!==e.geometryId&&null!==e.geometryId?`${e.geometryId}#${i}`:`${e.id}#${i}`;let r=this._bucketGeometries[a];r||(r=this._createBucketGeometry(e,n),this._bucketGeometries[a]=r);const l=p.collapseAABB3(ph),o=this._createSubPortion(e,r,n,l);p.expandAABB3(s,l),t.push(o)}));const n=this._state.origin;0===n[0]&&0===n[1]&&0===n[2]||(s[0]+=n[0],s[1]+=n[1],s[2]+=n[2],s[3]+=n[0],s[4]+=n[1],s[5]+=n[2]),p.expandAABB3(this.aabb,s);const i=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(t),this.model.numPortions++,i}_createBucketGeometry(e,t){if(t.indices){const e=8*Math.ceil(t.indices.length/3/8)*3;ah.overheadSizeAlignementIndices+=2*(e-t.indices.length);const s=new Uint32Array(e);s.fill(0),s.set(t.indices),t.indices=s}if(t.edgeIndices){const e=8*Math.ceil(t.edgeIndices.length/2/8)*2;ah.overheadSizeAlignementEdgeIndices+=2*(e-t.edgeIndices.length);const s=new Uint32Array(e);s.fill(0),s.set(t.edgeIndices),t.edgeIndices=s}const s=t.positionsCompressed,n=t.indices,i=t.edgeIndices,a=this._buffer,r=a.positionsCompressed.length/3,l=s.length/3;for(let e=0,t=s.length;e<t;e++)a.positionsCompressed.push(s[e]);let o,c,u=0;if(n){let e;u=n.length/3,e=l<=256?a.indices8Bits:l<=65536?a.indices16Bits:a.indices32Bits,o=e.length/3;for(let t=0,s=n.length;t<s;t++)e.push(n[t])}let h=0;if(i){let e;h=i.length/2,e=l<=256?a.edgeIndices8Bits:l<=65536?a.edgeIndices16Bits:a.edgeIndices32Bits,c=e.length/2;for(let t=0,s=i.length;t<s;t++)e.push(i[t])}this._state.numVertices+=l,ah.numberOfGeometries++;const A=p.collapseAABB3();p.expandAABB3Points3(A,t.positionsCompressed),Dt.decompressAABB(A,e.positionsDecodeMatrix);return{vertexBase:r,numVertices:l,numTriangles:u,numEdges:h,indicesBase:o,edgeIndicesBase:c,aabb:A,obb:null}}_createSubPortion(e,t,s,n){const i=e.color;e.metallic,e.roughness;const a=e.colors,r=e.opacity,l=e.meshMatrix,o=e.sceneModelMatrix,c=e.pickColor,u=this._buffer,h=this._state;if(u.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),u.perObjectInstancePositioningMatrices.push(l||dh),l||o){t.obb||(t.obb=p.AABB3ToOBB3(t.aabb));const e=t.obb;for(let t=0,s=e.length;t<s;t+=4)lh[0]=e[t+0],lh[1]=e[t+1],lh[2]=e[t+2],lh[3]=1,l&&p.transformPoint4(l,lh,oh),o?(p.transformPoint4(o,oh,ch),p.expandAABB3Point3(n,ch)):p.expandAABB3Point3(n,oh)}else p.expandAABB3(n,t.aabb);u.perObjectSolid.push(!!e.solid),a?u.perObjectColors.push([255*a[0],255*a[1],255*a[2],255]):i&&u.perObjectColors.push([i[0],i[1],i[2],r]),u.perObjectPickColors.push(c),u.perObjectVertexBases.push(t.vertexBase);{let e;e=t.numVertices<=256?h.numIndices8Bits:t.numVertices<=65536?h.numIndices16Bits:h.numIndices32Bits,u.perObjectIndexBaseOffsets.push(e/3-t.indicesBase)}{let e;e=t.numVertices<=256?h.numEdgeIndices8Bits:t.numVertices<=65536?h.numEdgeIndices16Bits:h.numEdgeIndices32Bits,u.perObjectEdgeIndexBaseOffsets.push(e/2-t.edgeIndicesBase)}const A=this._subPortions.length;if(t.numTriangles>0){let e,s=3*t.numTriangles;t.numVertices<=256?(e=u.perTriangleNumberPortionId8Bits,h.numIndices8Bits+=s,ah.totalPolygons8Bits+=t.numTriangles):t.numVertices<=65536?(e=u.perTriangleNumberPortionId16Bits,h.numIndices16Bits+=s,ah.totalPolygons16Bits+=t.numTriangles):(e=u.perTriangleNumberPortionId32Bits,h.numIndices32Bits+=s,ah.totalPolygons32Bits+=t.numTriangles),ah.totalPolygons+=t.numTriangles;for(let s=0;s<t.numTriangles;s+=8)e.push(A)}if(t.numEdges>0){let e,s=2*t.numEdges;t.numVertices<=256?(e=u.perEdgeNumberPortionId8Bits,h.numEdgeIndices8Bits+=s,ah.totalEdges8Bits+=t.numEdges):t.numVertices<=65536?(e=u.perEdgeNumberPortionId16Bits,h.numEdgeIndices16Bits+=s,ah.totalEdges16Bits+=t.numEdges):(e=u.perEdgeNumberPortionId32Bits,h.numEdgeIndices32Bits+=s,ah.totalEdges32Bits+=t.numEdges),ah.totalEdges+=t.numEdges;for(let s=0;s<t.numEdges;s+=8)e.push(A)}return this._subPortions.push({numVertices:t.numTriangles}),this._numPortions++,ah.numberOfPortions++,A}finalize(){if(this._finalized)return;const e=this._state,t=this._dataTextureState,s=this.model.scene.canvas.gl,n=this._buffer;e.gl=s,t.texturePerObjectIdColorsAndFlags=this._dataTextureGenerator.generateTextureForColorsAndFlags(s,n.perObjectColors,n.perObjectPickColors,n.perObjectVertexBases,n.perObjectIndexBaseOffsets,n.perObjectEdgeIndexBaseOffsets,n.perObjectSolid),t.texturePerObjectIdOffsets=this._dataTextureGenerator.generateTextureForObjectOffsets(s,this._numPortions),t.texturePerObjectIdPositionsDecodeMatrix=this._dataTextureGenerator.generateTextureForPositionsDecodeMatrices(s,n.perObjectPositionsDecodeMatrices,n.perObjectInstancePositioningMatrices),t.texturePerVertexIdCoordinates=this._dataTextureGenerator.generateTextureForPositions(s,n.positionsCompressed),t.texturePerPolygonIdPortionIds8Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(s,n.perTriangleNumberPortionId8Bits),t.texturePerPolygonIdPortionIds16Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(s,n.perTriangleNumberPortionId16Bits),t.texturePerPolygonIdPortionIds32Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(s,n.perTriangleNumberPortionId32Bits),n.perEdgeNumberPortionId8Bits.length>0&&(t.texturePerEdgeIdPortionIds8Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(s,n.perEdgeNumberPortionId8Bits)),n.perEdgeNumberPortionId16Bits.length>0&&(t.texturePerEdgeIdPortionIds16Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(s,n.perEdgeNumberPortionId16Bits)),n.perEdgeNumberPortionId32Bits.length>0&&(t.texturePerEdgeIdPortionIds32Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(s,n.perEdgeNumberPortionId32Bits)),n.indices8Bits.length>0&&(t.texturePerPolygonIdIndices8Bits=this._dataTextureGenerator.generateTextureFor8BitIndices(s,n.indices8Bits)),n.indices16Bits.length>0&&(t.texturePerPolygonIdIndices16Bits=this._dataTextureGenerator.generateTextureFor16BitIndices(s,n.indices16Bits)),n.indices32Bits.length>0&&(t.texturePerPolygonIdIndices32Bits=this._dataTextureGenerator.generateTextureFor32BitIndices(s,n.indices32Bits)),n.edgeIndices8Bits.length>0&&(t.texturePerPolygonIdEdgeIndices8Bits=this._dataTextureGenerator.generateTextureFor8BitsEdgeIndices(s,n.edgeIndices8Bits)),n.edgeIndices16Bits.length>0&&(t.texturePerPolygonIdEdgeIndices16Bits=this._dataTextureGenerator.generateTextureFor16BitsEdgeIndices(s,n.edgeIndices16Bits)),n.edgeIndices32Bits.length>0&&(t.texturePerPolygonIdEdgeIndices32Bits=this._dataTextureGenerator.generateTextureFor32BitsEdgeIndices(s,n.edgeIndices32Bits)),this.model._modelMatricesTexture||(this.model._modelMatricesTexture=this._dataTextureGenerator.generateModelTexture(s,this.model)),t.textureModelMatrices=this.model._modelMatricesTexture,t.cameraTexture=this._dataTextureGenerator.generateCameraDataTexture(this.model.scene.canvas.gl,this.model.scene.camera,this.model.scene,this._state.origin.slice()),t.textureCameraMatrices=t.cameraTexture,t.texturePickCameraMatrices=this._dataTextureGenerator.generatePickCameraDataTexture(this.model.scene.canvas.gl,this.model.scene.camera,this._state.origin.slice()),t.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(()=>{this._deferredSetFlagsDirty&&this._uploadDeferredFlags(),this._numUpdatesInFrame=0}))}isEmpty(){return 0===this._numPortions}initFlags(e,t,s){t&M&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&j&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&V&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&k&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&U&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&Q&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&H&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&F&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),s&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,s,true),this._setFlags2(e,t,true)}flushInitFlags(){this._setDeferredFlags(),this._setDeferredFlags2()}setVisible(e,t,s){if(!this._finalized)throw"Not finalized";t&M?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,s)}setHighlighted(e,t,s){if(!this._finalized)throw"Not finalized";t&j?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,s)}setXRayed(e,t,s){if(!this._finalized)throw"Not finalized";t&V?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,s)}setSelected(e,t,s){if(!this._finalized)throw"Not finalized";t&k?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,s)}setEdges(e,t,s){if(!this._finalized)throw"Not finalized";t&Q?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,s)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&U?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}_beginDeferredFlags(){this._deferredSetFlagsActive=!0}_uploadDeferredFlags(){if(this._deferredSetFlagsActive=!1,!this._deferredSetFlagsDirty)return;this._deferredSetFlagsDirty=!1;const e=this.model.scene.canvas.gl,t=this._dataTextureState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectIdColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectIdColorsAndFlags._textureWidth,t.texturePerObjectIdColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectIdColorsAndFlags._textureData),e.bindTexture(e.TEXTURE_2D,t.texturePerObjectIdOffsets._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectIdOffsets._textureWidth,t.texturePerObjectIdOffsets._textureHeight,e.RGB,e.FLOAT,t.texturePerObjectIdOffsets._textureData)}setCulled(e,t,s){if(!this._finalized)throw"Not finalized";t&F?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,s)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,s){if(!this._finalized)throw"Not finalized";t&H?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,s)}setColor(e,t){const s=this._portionToSubPortionsMap[e];for(let e=0,n=s.length;e<n;e++)this._subPortionSetColor(s[e],t)}_subPortionSetColor(e,t){if(!this._finalized)throw"Not finalized";const s=this._dataTextureState,n=this.model.scene.canvas.gl;uh[0]=t[0],uh[1]=t[1],uh[2]=t[2],uh[3]=t[3],s.texturePerObjectIdColorsAndFlags._textureData.set(uh,32*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),n.bindTexture(n.TEXTURE_2D,s.texturePerObjectIdColorsAndFlags._texture),n.texSubImage2D(n.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,n.RGBA_INTEGER,n.UNSIGNED_BYTE,uh))}setTransparent(e,t,s){s?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,s)}_setFlags(e,t,s,n=!1){const i=this._portionToSubPortionsMap[e];for(let e=0,a=i.length;e<a;e++)this._subPortionSetFlags(i[e],t,s,n)}_subPortionSetFlags(e,t,s,n=!1){if(!this._finalized)throw"Not finalized";const i=!!(t&M),a=!!(t&V),r=!!(t&j),l=!!(t&k),o=!!(t&F);let c,u;c=!i||o||a?cr.NOT_RENDERED:s?cr.COLOR_TRANSPARENT:cr.COLOR_OPAQUE,u=!i||o?cr.NOT_RENDERED:l?cr.SILHOUETTE_SELECTED:r?cr.SILHOUETTE_HIGHLIGHTED:a?cr.SILHOUETTE_XRAYED:cr.NOT_RENDERED;let h=0;h=!i||o?cr.NOT_RENDERED:l?cr.EDGES_SELECTED:r?cr.EDGES_HIGHLIGHTED:a?cr.EDGES_XRAYED:!!(t&Q)?s?cr.EDGES_COLOR_TRANSPARENT:cr.EDGES_COLOR_OPAQUE:cr.NOT_RENDERED;let p=i&&!!(t&H)?cr.PICK:cr.NOT_RENDERED;const A=this._dataTextureState,d=this.model.scene.canvas.gl;uh[0]=c,uh[1]=u,uh[2]=h,uh[3]=p,A.texturePerObjectIdColorsAndFlags._textureData.set(uh,32*e+8),this._deferredSetFlagsActive||n?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),d.bindTexture(d.TEXTURE_2D,A.texturePerObjectIdColorsAndFlags._texture),d.texSubImage2D(d.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,d.RGBA_INTEGER,d.UNSIGNED_BYTE,uh))}_setDeferredFlags(){}_setFlags2(e,t,s=!1){const n=this._portionToSubPortionsMap[e];for(let e=0,i=n.length;e<i;e++)this._subPortionSetFlags2(n[e],t,s)}_subPortionSetFlags2(e,t,s=!1){if(!this._finalized)throw"Not finalized";const n=t&U?255:0,i=this._dataTextureState,a=this.model.scene.canvas.gl;uh[0]=n,uh[1]=0,uh[2]=1,uh[3]=2,i.texturePerObjectIdColorsAndFlags._textureData.set(uh,32*e+12),this._deferredSetFlagsActive||s?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),a.bindTexture(a.TEXTURE_2D,i.texturePerObjectIdColorsAndFlags._texture),a.texSubImage2D(a.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,a.RGBA_INTEGER,a.UNSIGNED_BYTE,uh))}_setDeferredFlags2(){}setOffset(e,t){const s=this._portionToSubPortionsMap[e];for(let e=0,n=s.length;e<n;e++)this._subPortionSetOffset(s[e],t)}_subPortionSetOffset(e,t){if(!this._finalized)throw"Not finalized";const s=this._dataTextureState,n=this.model.scene.canvas.gl;hh[0]=t[0],hh[1]=t[1],hh[2]=t[2],s.texturePerObjectIdOffsets._textureData.set(hh,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),n.bindTexture(n.TEXTURE_2D,s.texturePerObjectIdOffsets._texture),n.texSubImage2D(n.TEXTURE_2D,0,0,e,1,1,n.RGB,n.FLOAT,hh))}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.withSAO&&this.model.saoEnabled?this._dataTextureRenderers.colorRendererWithSAO&&this._dataTextureRenderers.colorRendererWithSAO.drawLayer(t,this,cr.COLOR_OPAQUE):this._dataTextureRenderers.colorRenderer&&this._dataTextureRenderers.colorRenderer.drawLayer(t,this,cr.COLOR_OPAQUE))}_updateBackfaceCull(e,t){const s=this.model.backfaces||e.sectioned;if(t.backfaces!==s){const e=t.gl;s?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=s}}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.colorRenderer&&this._dataTextureRenderers.colorRenderer.drawLayer(t,this,cr.COLOR_TRANSPARENT))}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.depthRenderer&&this._dataTextureRenderers.depthRenderer.drawLayer(t,this,cr.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.normalsRenderer&&this._dataTextureRenderers.normalsRenderer.drawLayer(t,this,cr.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.silhouetteRenderer&&this._dataTextureRenderers.silhouetteRenderer.drawLayer(t,this,cr.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.silhouetteRenderer&&this._dataTextureRenderers.silhouetteRenderer.drawLayer(t,this,cr.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.silhouetteRenderer&&this._dataTextureRenderers.silhouetteRenderer.drawLayer(t,this,cr.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._dataTextureRenderers.edgesColorRenderer&&this._dataTextureRenderers.edgesColorRenderer.drawLayer(t,this,cr.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._dataTextureRenderers.edgesColorRenderer&&this._dataTextureRenderers.edgesColorRenderer.drawLayer(t,this,cr.EDGES_COLOR_TRANSPARENT)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._dataTextureRenderers.edgesRenderer&&this._dataTextureRenderers.edgesRenderer.drawLayer(t,this,cr.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._dataTextureRenderers.edgesRenderer&&this._dataTextureRenderers.edgesRenderer.drawLayer(t,this,cr.EDGES_SELECTED)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._dataTextureRenderers.edgesRenderer&&this._dataTextureRenderers.edgesRenderer.drawLayer(t,this,cr.EDGES_XRAYED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.occlusionRenderer&&this._dataTextureRenderers.occlusionRenderer.drawLayer(t,this,cr.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.shadowRenderer&&this._dataTextureRenderers.shadowRenderer.drawLayer(t,this,cr.COLOR_OPAQUE))}setPickMatrices(e,t){0!==this._numVisibleLayerPortions&&this._dataTextureState.texturePickCameraMatrices.updateViewMatrix(e,t)}drawPickMesh(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.pickMeshRenderer&&this._dataTextureRenderers.pickMeshRenderer.drawLayer(t,this,cr.PICK))}drawPickDepths(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.pickDepthRenderer&&this._dataTextureRenderers.pickDepthRenderer.drawLayer(t,this,cr.PICK))}drawSnapInitDepthBuf(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.snapDepthBufInitRenderer&&this._dataTextureRenderers.snapDepthBufInitRenderer.drawLayer(t,this,cr.PICK))}drawSnapDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.vertexDepthRenderer&&this._dataTextureRenderers.vertexDepthRenderer.drawLayer(t,this,cr.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.pickNormalsRenderer&&this._dataTextureRenderers.pickNormalsRenderer.drawLayer(t,this,cr.PICK))}destroy(){if(this._destroyed)return;const e=this._state;e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}const Ih=p.vec3();p.mat4();const yh=p.vec3([1,1,1]),mh=p.vec3([0,0,0]),vh=p.vec3([0,0,0]),wh=p.identityQuaternion(),gh=p.identityMat4(),Th=new Uint8Array([255,255,255]);class Eh extends _{constructor(e,t={}){super(e,t),this._dtxEnabled=this.scene.dtxEnabled&&!1!==t.dtxEnabled,this._enableVertexWelding=!1,this._enableIndexBucketing=!0,this._vboBatchingLayerScratchMemory=(or++,lr),this._textureTranscoder=t.textureTranscoder||Oc(this.scene.viewer),this._maxGeometryBatchSize=t.maxGeometryBatchSize,this._aabb=p.collapseAABB3(),this._aabbDirty=!0,this._quantizationRanges={},this._vboInstancingLayers={},this._vboBatchingLayers={},this._dtxLayers={},this._meshList=[],this.layerList=[],this._entityList=[],this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._meshes={},this._entities={},this._scheduledMeshes={},this.renderFlags=new ci,this.numGeometries=0,this.numPortions=0,this.numVisibleLayerPortions=0,this.numTransparentLayerPortions=0,this.numXRayedLayerPortions=0,this.numHighlightedLayerPortions=0,this.numSelectedLayerPortions=0,this.numEdgesLayerPortions=0,this.numPickableLayerPortions=0,this.numClippableLayerPortions=0,this.numCulledLayerPortions=0,this.numEntities=0,this._numTriangles=0,this._numLines=0,this._numPoints=0,this._edgeThreshold=t.edgeThreshold||10,this._origin=p.vec3(t.origin||[0,0,0]),this._position=p.vec3(t.position||[0,0,0]),this._rotation=p.vec3(t.rotation||[0,0,0]),this._quaternion=p.vec4(t.quaternion||[0,0,0,1]),this._conjugateQuaternion=p.vec4(t.quaternion||[0,0,0,1]),t.rotation&&p.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._scale=p.vec3(t.scale||[1,1,1]),this._worldRotationMatrix=p.mat4(),this._worldRotationMatrixConjugate=p.mat4(),this._matrix=p.mat4(),this._matrixDirty=!0,this._rebuildMatrices(),this._worldNormalMatrix=p.mat4(),p.inverseMat4(this._matrix,this._worldNormalMatrix),p.transposeMat4(this._worldNormalMatrix),(t.matrix||t.position||t.rotation||t.scale||t.quaternion)&&(this._viewMatrix=p.mat4(),this._viewNormalMatrix=p.mat4(),this._viewMatrixDirty=!0,this._matrixNonIdentity=!0),this._opacity=1,this._colorize=[1,1,1],this._saoEnabled=!1!==t.saoEnabled,this._pbrEnabled=!1!==t.pbrEnabled,this._colorTextureEnabled=!1!==t.colorTextureEnabled,this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this._onCameraViewMatrix=this.scene.camera.on("matrix",(()=>{this._viewMatrixDirty=!0})),this.scene.vfc.enabled&&(this._vfcManager=this.scene.vfc.getVFCManager(this)),this._createDefaultTextureSet(),this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.colorize=t.colorize,this.opacity=t.opacity,this.backfaces=t.backfaces}_createDefaultTextureSet(){const e=new wc({id:"defaultColorTexture",texture:new Ki({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})}),t=new wc({id:"defaultMetalRoughTexture",texture:new Ki({gl:this.scene.canvas.gl,preloadColor:[0,1,1,1]})}),s=new wc({id:"defaultNormalsTexture",texture:new Ki({gl:this.scene.canvas.gl,preloadColor:[0,0,0,0]})}),n=new wc({id:"defaultEmissiveTexture",texture:new Ki({gl:this.scene.canvas.gl,preloadColor:[0,0,0,1]})}),i=new wc({id:"defaultOcclusionTexture",texture:new Ki({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})});this._textures.defaultColorTexture=e,this._textures.defaultMetalRoughTexture=t,this._textures.defaultNormalsTexture=s,this._textures.defaultEmissiveTexture=n,this._textures.defaultOcclusionTexture=i,this._textureSets.defaultTextureSet=new vc({id:"defaultTextureSet",model:this,colorTexture:e,metallicRoughnessTexture:t,normalsTexture:s,emissiveTexture:n,occlusionTexture:i})}get isPerformanceModel(){return!0}get objects(){return this._entities}get origin(){return this._origin}set position(e){this._position.set(e||[0,0,0]),this._setWorldMatrixDirty(),this._setWorldAABBDirty(),this.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),p.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setWorldMatrixDirty(),this._setWorldAABBDirty(),this.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),p.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setWorldMatrixDirty(),this._setWorldAABBDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set scale(e){}get scale(){return this._scale}set matrix(e){this._matrix.set(e||gh),p.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),p.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),p.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),p.translateMat4v(this._position,this._matrix),this._matrixDirty=!1,this._setWorldMatrixDirty(),this._setWorldAABBDirty(),this.glRedraw()}get matrix(){return this._matrixDirty&&this._rebuildMatrices(),this._matrix}get rotationMatrix(){return this._matrixDirty&&this._rebuildMatrices(),this._worldRotationMatrix}_rebuildMatrices(){this._matrixDirty&&(p.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),p.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),p.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),p.translateMat4v(this._position,this._matrix),this._matrixDirty=!1)}get rotationMatrixConjugate(){return this._matrixDirty&&this._rebuildMatrices(),this._worldRotationMatrixConjugate}_setWorldMatrixDirty(){this._matrixDirty=!0}_setLocalAABBDirty(){for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._setLocalAABBDirty()}_setWorldAABBDirty(){this._aabbDirty=!0,this.scene._aabbDirty=!0,this._matrixDirty=!0;for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._setWorldAABBDirty()}get worldMatrix(){return this.matrix}get worldNormalMatrix(){return this._worldNormalMatrix}get viewMatrix(){return this._viewMatrix?(this._matrixDirty&&(this._rebuildMatrices(),this._viewMatrixDirty=!0),this._viewMatrixDirty&&(p.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),p.inverseMat4(this._viewMatrix,this._viewNormalMatrix),p.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1),this._viewMatrix):this.scene.camera.viewMatrix}get viewNormalMatrix(){return this._viewNormalMatrix?(this._matrixDirty&&(this._rebuildMatrices(),this._viewMatrixDirty=!0),this._viewMatrixDirty&&(p.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),p.inverseMat4(this._viewMatrix,this._viewNormalMatrix),p.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1),p.inverseMat4(this._viewMatrix,this._viewNormalMatrix),p.transposeMat4(this._viewNormalMatrix),this._viewNormalMatrix):this.scene.camera.viewNormalMatrix}get backfaces(){return this._backfaces}set backfaces(e){e=!!e,this._backfaces=e,this.glRedraw()}get entityList(){return this._entityList}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return!1}get aabb(){if(this._aabbDirty){p.collapseAABB3(this._aabb);for(let e=0,t=this._entityList.length;e<t;e++)p.expandAABB3(this._aabb,this._entityList[e].aabb);this._aabbDirty=!1}return this._aabb}get numTriangles(){return this._numTriangles}get numLines(){return this._numLines}get numPoints(){return this._numPoints}get visible(){return this.numVisibleLayerPortions>0}set visible(e){e=!1!==e,this._visible=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].visible=e;this.glRedraw()}get xrayed(){return this.numXRayedLayerPortions>0}set xrayed(e){e=!!e,this._xrayed=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].xrayed=e;this.glRedraw()}get highlighted(){return this.numHighlightedLayerPortions>0}set highlighted(e){e=!!e,this._highlighted=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].highlighted=e;this.glRedraw()}get selected(){return this.numSelectedLayerPortions>0}set selected(e){e=!!e,this._selected=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].selected=e;this.glRedraw()}get edges(){return this.numEdgesLayerPortions>0}set edges(e){e=!!e,this._edges=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].edges=e;this.glRedraw()}get culled(){return this._culled}set culled(e){e=!!e,this._culled=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].culled=e;this.glRedraw()}get clippable(){return this._clippable}set clippable(e){e=!1!==e,this._clippable=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].clippable=e;this.glRedraw()}get collidable(){return this._collidable}set collidable(e){e=!1!==e,this._collidable=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].collidable=e}get pickable(){return this.numPickableLayerPortions>0}set pickable(e){e=!1!==e,this._pickable=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].pickable=e}get colorize(){return this._colorize}set colorize(e){this._colorize=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].colorize=e}get opacity(){return this._opacity}set opacity(e){this._opacity=e;for(let t=0,s=this._entityList.length;t<s;t++)this._entityList[t].opacity=e}get castsShadow(){return this._castsShadow}set castsShadow(e){(e=!1!==e)!==this._castsShadow&&(this._castsShadow=e,this.glRedraw())}get receivesShadow(){return this._receivesShadow}set receivesShadow(e){(e=!1!==e)!==this._receivesShadow&&(this._receivesShadow=e,this.glRedraw())}get saoEnabled(){return this._saoEnabled}get pbrEnabled(){return this._pbrEnabled}get colorTextureEnabled(){return this._colorTextureEnabled}get isDrawable(){return!0}get isStateSortable(){return!1}get xrayMaterial(){return this.scene.xrayMaterial}get highlightMaterial(){return this.scene.highlightMaterial}get selectedMaterial(){return this.scene.selectedMaterial}get edgeMaterial(){return this.scene.edgeMaterial}getPickViewMatrix(e){return this._viewMatrix?this._viewMatrix:e}createQuantizationRange(e){void 0!==e.id&&null!==e.id?e.aabb?this.error("[createQuantizationRange] Config missing: aabb"):this._quantizationRanges[e.id]?this.error("[createQuantizationRange] QuantizationRange already created: "+e.id):this._quantizationRanges[e.id]={id:e.id,aabb:e.aabb,matrix:Kr(e.aabb,p.mat4())}:this.error("[createQuantizationRange] Config missing: id")}createGeometry(e){if(void 0!==e.id&&null!==e.id)if(this._geometries[e.id])this.error("[createGeometry] Geometry already created: "+e.id);else if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"===e.primitive||"lines"===e.primitive||"triangles"===e.primitive||"solid"===e.primitive||"surface"===e.primitive){if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("[createGeometry] Param expected: `positions`,  `positionsCompressed' or 'buckets"),null;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("[createGeometry] Param expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.positionsDecodeMatrix&&e.positionsDecodeBoundary)return this.error("[createGeometry] Only one of these params expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("[createGeometry] Param expected: `uvDecodeMatrix` (required for `uvCompressed')"),null;if(!e.buckets&&!e.indices&&"points"!==e.primitive)return this.error(`[createGeometry] Param expected: indices (required for '${e.primitive}' primitive type)`),null;if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=Kr(e.positionsDecodeBoundary,p.mat4())),e.positions){const t=p.collapseAABB3();e.positionsDecodeMatrix=p.mat4(),p.expandAABB3Points3(t,e.positions),e.positionsCompressed=zr(e.positions,t,e.positionsDecodeMatrix)}else e.positionsDecodeMatrix=new Float64Array(e.positionsDecodeMatrix),e.positionsCompressed=new Uint16Array(e.positionsCompressed);if(e.colorsCompressed&&e.colorsCompressed.length>0)e.colorsCompressed=new Uint8Array(e.colorsCompressed);else if(e.colors&&e.colors.length>0){const t=e.colors,s=new Uint8Array(t.length);for(let e=0,n=t.length;e<n;e++)s[e]=255*t[e];e.colorsCompressed=s}if(e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=mt(e.positions,e.indices,null,5):e.edgeIndices=mt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.buckets&&(this._dtxBuckets[e.id]=e.buckets),e.uv){const t=Dt.getUVBounds(e.uv),s=Dt.compressUVs(e.uv,t.min,t.max);e.uvCompressed=s.quantized,e.uvDecodeMatrix=s.decodeMatrix}else e.uvCompressed&&(e.uvCompressed=new Uint16Array(e.uvCompressed),e.uvDecodeMatrix=new Float64Array(e.uvDecodeMatrix));e.normals&&(e.normals=null),this._geometries[e.id]=e,this._numTriangles+=e.indices?Math.round(e.indices.length/3):0,this.numGeometries++}else this.error(`[createGeometry] Unsupported value for 'primitive': '${primitive}' - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'. Defaulting to 'triangles'.`);else this.error("[createGeometry] Config missing: id")}createTexture(e){const t=e.id;if(null==t)return void this.error("[createTexture] Config missing: id");if(this._textures[t])return void this.error("[createTexture] Texture already created: "+t);if(!e.src&&!e.image&&!e.buffers)return this.error("[createTexture] Param expected: `src`, `image' or 'buffers'"),null;let s=e.minFilter||1008;1006!==s&&1007!==s&&1008!==s&&1005!==s&&1004!==s&&(this.error("[createTexture] Unsupported value for 'minFilter' - \n            supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, \n            NearestMipMapLinearFilter and LinearMipmapLinearFilter. Defaulting to LinearMipmapLinearFilter."),s=1008);let n=e.magFilter||1006;1006!==n&&1003!==n&&(this.error("[createTexture] Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),n=1006);let i=e.wrapS||1e3;1001!==i&&1002!==i&&1e3!==i&&(this.error("[createTexture] Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),i=1e3);let a=e.wrapT||1e3;1001!==a&&1002!==a&&1e3!==a&&(this.error("[createTexture] Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),a=1e3);let r=e.wrapR||1e3;1001!==r&&1002!==r&&1e3!==r&&(this.error("[createTexture] Unsupported value for 'wrapR' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),r=1e3);let l=e.encoding||3e3;3e3!==l&&3001!==l&&(this.error("[createTexture] Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),l=3e3);const o=new Ki({gl:this.scene.canvas.gl,minFilter:s,magFilter:n,wrapS:i,wrapT:a,wrapR:r,encoding:l});if(e.preloadColor&&o.setPreloadColor(e.preloadColor),e.image){const t=e.image;t.crossOrigin="Anonymous",o.setImage(t,{minFilter:s,magFilter:n,wrapS:i,wrapT:a,wrapR:r,flipY:e.flipY,encoding:l})}else if(e.src){const t=e.src.split(".").pop();switch(t){case"jpeg":case"jpg":case"png":case"gif":const c=new Image;c.onload=()=>{o.setImage(c,{minFilter:s,magFilter:n,wrapS:i,wrapT:a,wrapR:r,flipY:e.flipY,encoding:l}),this.glRedraw()},c.src=e.src;break;default:this._textureTranscoder?m.loadArraybuffer(e.src,(e=>{e.byteLength?this._textureTranscoder.transcode([e],o).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'src': file data is zero length")}),(function(e){this.error(`[createTexture] Can't create texture from 'src': ${e}`)})):this.error(`[createTexture] Can't create texture from 'src' - SceneModel needs to be configured with a TextureTranscoder for this file type ('${t}')`)}}else e.buffers&&(this._textureTranscoder?this._textureTranscoder.transcode(e.buffers,o).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'buffers' - SceneModel needs to be configured with a TextureTranscoder for this option"));this._textures[t]=new wc({id:t,texture:o})}createTextureSet(e){const t=e.id;if(null==t)return void this.error("[createTextureSet] Config missing: id");if(this._textureSets[t])return void this.error(`[createTextureSet] Texture set already created: ${t}`);let s,n,i,a,r;if(void 0!==e.colorTextureId&&null!==e.colorTextureId){if(s=this._textures[e.colorTextureId],!s)return void this.error(`[createTextureSet] Texture not found: ${e.colorTextureId} - ensure that you create it first with createTexture()`)}else s=this._textures.defaultColorTexture;if(void 0!==e.metallicRoughnessTextureId&&null!==e.metallicRoughnessTextureId){if(n=this._textures[e.metallicRoughnessTextureId],!n)return void this.error(`[createTextureSet] Texture not found: ${e.metallicRoughnessTextureId} - ensure that you create it first with createTexture()`)}else n=this._textures.defaultMetalRoughTexture;if(void 0!==e.normalsTextureId&&null!==e.normalsTextureId){if(i=this._textures[e.normalsTextureId],!i)return void this.error(`[createTextureSet] Texture not found: ${e.normalsTextureId} - ensure that you create it first with createTexture()`)}else i=this._textures.defaultNormalsTexture;if(void 0!==e.emissiveTextureId&&null!==e.emissiveTextureId){if(a=this._textures[e.emissiveTextureId],!a)return void this.error(`[createTextureSet] Texture not found: ${e.emissiveTextureId} - ensure that you create it first with createTexture()`)}else a=this._textures.defaultEmissiveTexture;if(void 0!==e.occlusionTextureId&&null!==e.occlusionTextureId){if(r=this._textures[e.occlusionTextureId],!r)return void this.error(`[createTextureSet] Texture not found: ${e.occlusionTextureId} - ensure that you create it first with createTexture()`)}else r=this._textures.defaultOcclusionTexture;const l=new vc({id:t,model:this,colorTexture:s,metallicRoughnessTexture:n,normalsTexture:i,emissiveTexture:a,occlusionTexture:r});this._textureSets[t]=l}createMesh(e){if(void 0===e.id||null===e.id)return void this.error("[createMesh] SceneModel.createMesh() config missing: id");if(this._scheduledMeshes[e.id])return void this.error(`[createMesh] SceneModel already has a mesh with this ID: ${e.id}`);const t=!(void 0!==e.geometryId);if(e.sceneModelMatrix=this._matrixNonIdentity?this._matrix:null,t){const t=!!this._dtxEnabled;if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"!==e.primitive&&"lines"!==e.primitive&&"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)return void this.error(`Unsupported value for 'primitive': '${primitive}'  ('geometryId' is absent) - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'.`);if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("Param expected: 'positions',  'positionsCompressed' or `buckets`  ('geometryId' is absent)"),null;if(e.positions&&(e.positionsDecodeMatrix||e.positionsDecodeBoundary))return this.error("Illegal params: 'positions' not expected with 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),null;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("Param expected: 'positionsCompressed' should be accompanied by 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),null;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("Param expected: 'uvCompressed' should be accompanied by `uvDecodeMatrix` ('geometryId' is absent)"),null;if(!e.buckets&&!e.indices&&"points"!==e.primitive)return this.error(`Param expected: indices (required for '${e.primitive}' primitive type)`),null;if((e.matrix||e.position||e.rotation||e.scale)&&(e.positionsCompressed||e.positionsDecodeBoundary))return this.error("Unexpected params: 'matrix', 'rotation', 'scale', 'position' not allowed with 'positionsCompressed'"),null;if(e.origin=e.origin?p.addVec3(this._origin,e.origin,p.vec3()):this._origin,e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position){const t=e.scale||yh,s=e.position||mh,n=e.rotation||vh;p.eulerToQuaternion(n,"XYZ",wh),e.meshMatrix=p.composeMat4(s,wh,t,p.mat4())}if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=Kr(e.positionsDecodeBoundary,p.mat4())),t){if(e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Th,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.positions){const t=p.vec3(),s=[];N(e.positions,s,t)&&(e.positions=s,e.origin=p.addVec3(e.origin,t,t))}if(e.positions){const t=p.collapseAABB3();e.positionsDecodeMatrix=p.mat4(),p.expandAABB3Points3(t,e.positions),e.positionsCompressed=zr(e.positions,t,e.positionsDecodeMatrix)}e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=mt(e.positions,e.indices,null,2):e.edgeIndices=mt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.buckets||(e.buckets=bh(e,this._enableVertexWelding&&this._enableIndexBucketing))}else{if(e.type=1,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):[255,255,255],e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.positions){const t=[];N(e.positions,t,Ih)&&(e.positions=t,e.origin=p.addVec3(e.origin,Ih,p.vec3()))}if(e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=mt(e.positions,e.indices,null,2):e.edgeIndices=mt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId],!e.textureSet))return void this.error(`[createMesh] Texture set not found: ${e.textureSetId} - ensure that you create it first with createTextureSet()`)}}else{if(e.positions||e.positionsCompressed||e.indices||e.edgeIndices||e.normals||e.normalsCompressed||e.uv||e.uvCompressed||e.positionsDecodeMatrix)return void this.error("Mesh geometry parameters not expected when instancing a geometry (not expected: positions, positionsCompressed, indices, edgeIndices, normals, normalsCompressed, uv, uvCompressed, positionsDecodeMatrix)");if(e.geometry=this._geometries[e.geometryId],!e.geometry)return void this.error(`[createMesh] Geometry not found: ${e.geometryId} - ensure that you create it first with createGeometry()`);if(e.origin=e.origin?p.addVec3(this._origin,e.origin,p.vec3()):this._origin,e.positionsDecodeMatrix=e.geometry.positionsDecodeMatrix,e.matrix)e.meshMatrix=e.matrix.slice();else{const t=e.scale||yh,s=e.position||mh,n=e.rotation||vh;p.eulerToQuaternion(n,"XYZ",wh),e.meshMatrix=p.composeMat4(s,wh,t,p.mat4())}if(!!this._dtxEnabled){e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Th,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255;let t=this._dtxBuckets[e.geometryId];t||(t=bh(e.geometry,this._enableVertexWelding,this._enableIndexBucketing),this._dtxBuckets[e.geometryId]=t),e.buckets=t}else e.type=0,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Th,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId]),function(e){if(e.obb=p.OBB3(),e.positionsCompressed&&e.positionsCompressed.length>0){const t=p.collapseAABB3();p.expandAABB3Points3(t,e.positionsCompressed),Dt.decompressAABB(t,e.positionsDecodeMatrix),p.AABB3ToOBB3(t,e.obb)}else if(e.positions&&e.positions.length>0){const t=p.collapseAABB3();p.expandAABB3Points3(t,e.positions),p.AABB3ToOBB3(t,e.obb)}}(e.geometry)}e.numPrimitives=this._getNumPrimitives(e),this._vfcManager&&!this._vfcManager.finalized?this._vfcManager.addMesh(e):this._createMesh(e)}_createMesh(e){const t=new rr(this,e.id,e.color,e.opacity);t.pickId=this.scene._renderer.getPickID(t);const s=t.pickId,n=s>>24&255,i=s>>16&255,a=s>>8&255,r=255&s;switch(e.pickColor=new Uint8Array([r,a,i,n]),e.worldAABB=p.collapseAABB3(),e.aabb=e.worldAABB,e.solid="solid"===e.primitive,t.origin=p.vec3(e.origin),e.type){case 2:t.layer=this._getDTXLayer(e);break;case 1:t.layer=this._getVBOBatchingLayer(e);break;case 0:t.layer=this._getVBOInstancingLayer(e)}t.portionId=t.layer.createPortion(e),t.aabb=e.worldAABB,t.numPrimitives=e.numPrimitives,p.expandAABB3(this._aabb,t.aabb),this._meshes[e.id]=t,this._meshList.push(t)}_getNumPrimitives(e){let t=0;switch(e.geometry?e.geometry.primitive:e.primitive){case"triangles":case"solid":case"surface":switch(e.type){case 2:for(let s=0,n=e.buckets.length;s<n;s++)t+=e.buckets[s].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/3);case"points":switch(e.type){case 2:for(let s=0,n=e.buckets.length;s<n;s++)t+=e.buckets[s].positionsCompressed.length;break;case 1:case 0:t+=e.positions?e.positions.length:e.positionsCompressed.length}return Math.round(t);case"lines":case"line-strip":switch(e.type){case 2:for(let s=0,n=e.buckets.length;s<n;s++)t+=e.buckets[s].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/2)}return 0}_getDTXLayer(e){const t=e.origin,s=`${Math.round(t[0])}.${Math.round(t[1])}.${Math.round(t[2])}`;let n=this._dtxLayers[s];if(n){if(n.canCreatePortion(e))return n;n.finalize(),delete this._dtxLayers[s],n=null}return console.log(`[SceneModel ${this.id}]: creating TrianglesDataTextureLayer`),n=new fh(this,{layerIndex:0,origin:t}),this._dtxLayers[s]=n,this.layerList.push(n),n}_getVBOBatchingLayer(e){const t=this,s=e.origin,n=e.positionsDecodeMatrix||e.positionsDecodeBoundary?this._createHashStringFromMatrix(e.positionsDecodeMatrix||e.positionsDecodeBoundary):"-",i=e.textureSetId||"-",a=`${Math.round(s[0])}.${Math.round(s[1])}.${Math.round(s[2])}.${e.primitive}.${n}.${i}`;let r=this._vboBatchingLayers[a];if(r)return r;let l=e.textureSet;for(;!r;){switch(e.primitive){case"triangles":case"solid":case"surface":console.log(`[SceneModel ${this.id}]: creating TrianglesBatchingLayer`),r=new Dl({model:t,textureSet:l,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:s,maxGeometryBatchSize:this._maxGeometryBatchSize,solid:"solid"===e.primitive,autoNormals:!0});break;case"lines":console.log(`[SceneModel ${this.id}]: creating LinesBatchingLayer`),r=new Bo({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:s,maxGeometryBatchSize:this._maxGeometryBatchSize});break;case"points":console.log(`[SceneModel ${this.id}]: creating PointsBatchingLayer`),r=new sc({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:s,maxGeometryBatchSize:this._maxGeometryBatchSize})}const n=e.positionsCompressed?e.positionsCompressed.length:e.positions.length;("points"===e.primitive?r.canCreatePortion(n):r.canCreatePortion(n,e.indices.length))||(r.finalize(),delete this._vboBatchingLayers[a],r=null)}return this._vboBatchingLayers[a]=r,this.layerList.push(r),r}_createHashStringFromMatrix(e){const t=e.join("");let s=0;for(let e=0;e<t.length;e++){s=(s<<5)-s+t.charCodeAt(e),s|=0}return(s>>>0).toString(16)}_getVBOInstancingLayer(e){const t=this,s=e.origin,n=e.textureSetId||"-",i=e.geometryId,a=`${Math.round(s[0])}.${Math.round(s[1])}.${Math.round(s[2])}.${n}.${i}`;let r=this._vboInstancingLayers[a];if(r)return r;let l=e.textureSet;const o=e.geometry;for(;!r;)switch(o.primitive){case"triangles":case"surface":console.log(`[SceneModel ${this.id}]: creating TrianglesInstancingLayer`),r=new wo({model:t,textureSet:l,geometry:o,origin:s,layerIndex:0,solid:!1});break;case"solid":console.log(`[SceneModel ${this.id}]: creating TrianglesInstancingLayer`),r=new wo({model:t,textureSet:l,geometry:o,origin:s,layerIndex:0,solid:!0});break;case"lines":console.log(`[SceneModel ${this.id}]: creating LinesInstancingLayer`),r=new Vo({model:t,textureSet:l,geometry:o,origin:s,layerIndex:0});break;case"points":console.log(`[SceneModel ${this.id}]: creating PointsInstancingLayer`),r=new mc({model:t,textureSet:l,geometry:o,origin:s,layerIndex:0})}return this._vboInstancingLayers[a]=r,this.layerList.push(r),r}createEntity(e){if(void 0===e.id?e.id=p.createUUID():this.scene.components[e.id]&&(this.error(`Scene already has a Component with this ID: ${e.id} - will assign random ID`),e.id=p.createUUID()),void 0===e.meshIds)return void this.error("Config missing: meshIds");let t=0;if(this._visible&&!1!==e.visible&&(t|=M),this._pickable&&!1!==e.pickable&&(t|=H),this._culled&&!1!==e.culled&&(t|=F),this._clippable&&!1!==e.clippable&&(t|=U),this._collidable&&!1!==e.collidable&&(t|=G),this._edges&&!1!==e.edges&&(t|=Q),this._xrayed&&!1!==e.xrayed&&(t|=V),this._highlighted&&!1!==e.highlighted&&(t|=j),this._selected&&!1!==e.selected&&(t|=k),e.flags=t,this._vfcManager&&!this._vfcManager.finalized){for(let t=0,s=e.meshIds.length;t<s;t++){const s=e.meshIds[t];if(this._scheduledMeshes[s])return void this.error(`[createEntity] Mesh not found: ${s}`)}this._vfcManager.addEntity(e)}else this._createEntity(e)}_createEntity(e){let t=[];const s=p.collapseAABB3();for(let n=0,i=e.meshIds.length;n<i;n++){const i=e.meshIds[n],a=this._meshes[i];a?a.parent?this.error(`Mesh with ID "${i}" already belongs to object with ID "${a.parent.id}" - ignoring this mesh`):(p.expandAABB3(s,a.aabb),t.push(a)):this.error(`Mesh with this ID not found: "${i}" - ignoring this mesh`)}const n=new Y(this,e.isObject,e.id,t,e.flags,s,!0);this._entityList.push(n),this._entities[e.id]=n,this.numEntities++}finalize(){if(!this.destroyed){this._vfcManager&&this._vfcManager.finalize((()=>{}));for(let e=0,t=this.layerList.length;e<t;e++){this.layerList[e].finalize()}this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._dtxLayers={},this._vboInstancingLayers={},this._vboBatchingLayers={};for(let e=0,t=this._entityList.length;e<t;e++){this._entityList[e]._finalize()}for(let e=0,t=this._entityList.length;e<t;e++){this._entityList[e]._finalize2()}this.layerList.sort(((e,t)=>e.sortId<t.sortId?-1:e.sortId>t.sortId?1:0));for(let e=0,t=this.layerList.length;e<t;e++){this.layerList[e].layerIndex=e}this.glRedraw(),this.scene._aabbDirty=!0,this.scene.lod.enabled&&(this._lodManager=this.scene.lod.getLODManager(this))}}stateSortCompare(e,t){}rebuildRenderFlags(){this.renderFlags.reset(),this._updateRenderFlagsVisibleLayers(),this.renderFlags.numLayers>0&&0===this.renderFlags.numVisibleLayers?this.renderFlags.culled=!0:this._updateRenderFlags()}_updateRenderFlagsVisibleLayers(){const e=this.renderFlags;e.numLayers=this.layerList.length,e.numVisibleLayers=0;for(let t=0,s=this.layerList.length;t<s;t++){const s=this.layerList[t];this._getActiveSectionPlanesForLayer(s)&&(e.visibleLayers[e.numVisibleLayers++]=t)}}_getActiveSectionPlanesForLayer(e){const t=this.renderFlags,s=this.scene._sectionPlanesState.sectionPlanes,n=s.length,i=e.layerIndex*n;if(n>0)for(let e=0;e<n;e++){s[e].active?(t.sectionPlanesActivePerLayer[i+e]=!0,t.sectioned=!0):t.sectionPlanesActivePerLayer[i+e]=!1}return!0}_updateRenderFlags(){if(0===this.numVisibleLayerPortions)return;if(this.numCulledLayerPortions===this.numPortions)return;const e=this.renderFlags;if(e.colorOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.colorTransparent=!0),this.numXRayedLayerPortions>0){const t=this.scene.xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}if(this.numEdgesLayerPortions>0){this.scene.edgeMaterial._state.edges&&(e.edgesOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.edgesTransparent=!0))}if(this.numSelectedLayerPortions>0){const t=this.scene.selectedMaterial._state;t.fill&&(t.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}if(this.numHighlightedLayerPortions>0){const t=this.scene.highlightMaterial._state;t.fill&&(t.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}drawColorOpaque(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawColorOpaque(t,e)}}drawColorTransparent(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawColorTransparent(t,e)}}drawDepth(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawDepth(t,e)}}drawNormals(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawNormals(t,e)}}drawSilhouetteXRayed(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawSilhouetteXRayed(t,e)}}drawSilhouetteHighlighted(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawSilhouetteHighlighted(t,e)}}drawSilhouetteSelected(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawSilhouetteSelected(t,e)}}drawEdgesColorOpaque(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawEdgesColorOpaque(t,e)}}drawEdgesColorTransparent(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawEdgesColorTransparent(t,e)}}drawEdgesXRayed(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawEdgesXRayed(t,e)}}drawEdgesHighlighted(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawEdgesHighlighted(t,e)}}drawEdgesSelected(e){const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawEdgesSelected(t,e)}}drawOcclusion(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawOcclusion(t,e)}}drawShadow(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawShadow(t,e)}}setPickMatrices(e,t){if(0===this._numVisibleLayerPortions)return;const s=this.renderFlags;for(let n=0,i=s.visibleLayers.length;n<i;n++){const i=s.visibleLayers[n],a=this.layerList[i];a.setPickMatrices&&a.setPickMatrices(e,t)}}drawPickMesh(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawPickMesh(t,e)}}drawPickDepths(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawPickDepths(t,e)}}drawPickNormals(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s];this.layerList[n].drawPickNormals(t,e)}}drawSnapInitDepthBuf(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s],i=this.layerList[n];i.drawSnapInitDepthBuf&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,i.drawSnapInitDepthBuf(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}drawSnapDepths(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let s=0,n=t.visibleLayers.length;s<n;s++){const n=t.visibleLayers[s],i=this.layerList[n];i.drawSnapDepths&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,i.drawSnapDepths(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}destroy(){for(let e in this._vboBatchingLayers)this._vboBatchingLayers.hasOwnProperty(e)&&this._vboBatchingLayers[e].destroy();this._vboBatchingLayers={};for(let e in this._vboInstancingLayers)this._vboInstancingLayers.hasOwnProperty(e)&&this._vboInstancingLayers[e].destroy();this._vboInstancingLayers={},this.scene.camera.off(this._onCameraViewMatrix);for(let e=0,t=this.layerList.length;e<t;e++)this.layerList[e].destroy();this.layerList=[];for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._destroy();this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._meshes={},this._entities={},this.scene._aabbDirty=!0,this._isModel&&this.scene._deregisterModel(this),0!==or&&(or--,0===or&&lr._clear()),this._vfcManager&&this.scene.vfc.putVFCManager(this._vfcManager),this._lodManager&&this.scene.lod.putLODManager(this._lodManager),super.destroy()}}function bh(e,t,s){let n,i,a,r;if(t?[n,i,a]=Lc({positionsCompressed:e.positionsCompressed,indices:e.indices,edgeIndices:e.edgeIndices}):(n=e.positionsCompressed,i=e.indices,a=e.edgeIndices),s){r=Gc({positionsCompressed:n,indices:i,edgeIndices:a},n.length/3>65536?16:8)}else r=[{positionsCompressed:n,indices:i,edgeIndices:a}];return r}class Dh extends Eh{constructor(e,t={}){super(e,t)}}class Ph extends _{constructor(e,t={}){super(e,t),this._skyboxMesh=new wi(this,{geometry:new Ct(this,{primitive:"triangles",positions:[1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,-1,1,-1,-1,1,1,-1,1,1,-1,1,-1,-1,-1,-1,-1,-1,1,-1,-1,-1,1,-1,-1,1,-1,1,-1,-1,1,1,-1,-1,-1,-1,-1,-1,1,-1,1,1,-1],uv:[.5,.6666,.25,.6666,.25,.3333,.5,.3333,.5,.6666,.5,.3333,.75,.3333,.75,.6666,.5,.6666,.5,1,.25,1,.25,.6666,.25,.6666,0,.6666,0,.3333,.25,.3333,.25,0,.5,0,.5,.3333,.25,.3333,.75,.3333,1,.3333,1,.6666,.75,.6666],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]}),background:!0,scale:[2e3,2e3,2e3],rotation:[0,-90,0],material:new Nt(this,{ambient:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],emissive:[1,1,1],emissiveMap:new $i(this,{src:t.src,flipY:!0,wrapS:"clampToEdge",wrapT:"clampToEdge",encoding:t.encoding||"sRGB"}),backfaces:!0}),visible:!1,pickable:!1,clippable:!1,collidable:!1}),this.size=t.size,this.active=t.active}set size(e){this._size=e||1e3,this._skyboxMesh.scale=[this._size,this._size,this._size]}get size(){return this._size}set active(e){this._skyboxMesh.visible=e}get active(){return this._skyboxMesh.visible}}class Rh{transcode(e,t,s={}){}destroy(){}}const Ch=p.vec4(),_h=p.vec4(),Bh=p.vec3(),Oh=p.vec3(),Sh=p.vec3(),Nh=p.vec4(),xh=p.vec4(),Lh=p.vec4();class Mh{constructor(e){this._scene=e}dollyToCanvasPos(e,t,s){let n=!1;const i=this._scene.camera;if(e){const t=p.subVec3(e,i.eye,Bh);n=p.lenVec3(t)<s}if("perspective"===i.projection){i.ortho.scale=i.ortho.scale-s;const n=this._unproject(t,Nh),a=p.subVec3(n,i.eye,Lh),r=p.mulVec3Scalar(p.normalizeVec3(a),-s,[]);if(i.eye=[i.eye[0]-r[0],i.eye[1]-r[1],i.eye[2]-r[2]],i.look=[i.look[0]-r[0],i.look[1]-r[1],i.look[2]-r[2]],e){const t=p.subVec3(e,i.eye,Bh),s=p.lenVec3(t),n=p.mulVec3Scalar(p.normalizeVec3(p.subVec3(i.look,i.eye,Oh)),s);i.look=[i.eye[0]+n[0],i.eye[1]+n[1],i.eye[2]+n[2]]}}else if("ortho"===i.projection){const e=this._unproject(t,Nh);i.ortho.scale=i.ortho.scale-s,i.ortho._update();const n=this._unproject(t,xh),a=p.subVec3(n,e,Lh),r=p.mulVec3Scalar(p.normalizeVec3(p.subVec3(i.look,i.eye,Bh)),-s,Oh),l=p.addVec3(a,r,Sh);i.eye=[i.eye[0]-l[0],i.eye[1]-l[1],i.eye[2]-l[2]],i.look=[i.look[0]-l[0],i.look[1]-l[1],i.look[2]-l[2]]}return n}_unproject(e,t){const s=this._scene.camera,n=s.project.transposedMatrix,i=n.subarray(8,12),a=n.subarray(12),r=[0,0,-1,1],l=p.dotVec4(r,i)/p.dotVec4(r,a);return s.project.unproject(e,l,Ch,_h,t),t}destroy(){}}const Fh=p.vec3(),Hh=p.vec3(),Uh=p.vec3(),Gh=p.vec4(),Vh=p.vec4(),jh=p.vec4();class kh{constructor(e,t){this._scene=e,this._configs=t,this._pivotWorldPos=p.vec3(),this._cameraOffset=p.vec3(),this._azimuth=0,this._polar=0,this._radius=0,this._pivotPosSet=!1,this._pivoting=!1,this._shown=!1,this._pivotViewPos=p.vec4(),this._pivotProjPos=p.vec4(),this._pivotCanvasPos=p.vec2(),this._cameraDirty=!0,this._onViewMatrix=this._scene.camera.on("viewMatrix",(()=>{this._cameraDirty=!0})),this._onProjMatrix=this._scene.camera.on("projMatrix",(()=>{this._cameraDirty=!0})),this._onTick=this._scene.on("tick",(()=>{this.updatePivotElement()}))}updatePivotElement(){const e=this._scene.camera,t=this._scene.canvas;if(this._pivoting&&this._cameraDirty){p.transformPoint3(e.viewMatrix,this.getPivotPos(),this._pivotViewPos),this._pivotViewPos[3]=1,p.transformPoint4(e.projMatrix,this._pivotViewPos,this._pivotProjPos);const s=t.boundary,n=s[2],i=s[3];this._pivotCanvasPos[0]=Math.floor((1+this._pivotProjPos[0]/this._pivotProjPos[3])*n/2),this._pivotCanvasPos[1]=Math.floor((1-this._pivotProjPos[1]/this._pivotProjPos[3])*i/2);let a=t._lastBoundingClientRect;if(!a||t._canvasSizeChanged){const e=t.canvas;a=t._lastBoundingClientRect=e.getBoundingClientRect()}this._pivotElement&&(this._pivotElement.style.left=Math.floor(a.left+this._pivotCanvasPos[0])-this._pivotElement.clientWidth/2+window.scrollX+"px",this._pivotElement.style.top=Math.floor(a.top+this._pivotCanvasPos[1])-this._pivotElement.clientHeight/2+window.scrollY+"px"),this._cameraDirty=!1}}setPivotElement(e){this._pivotElement=e}startPivot(){if(this._cameraLookingDownwards())return this._pivoting=!1,!1;const e=this._scene.camera;let t=p.lookAtMat4v(e.eye,e.look,e.worldUp);p.transformPoint3(t,this.getPivotPos(),this._cameraOffset);const s=this.getPivotPos();this._cameraOffset[2]+=p.distVec3(e.eye,s),t=p.inverseMat4(t);const n=p.transformVec3(t,this._cameraOffset),i=p.vec3();if(p.subVec3(e.eye,s,i),p.addVec3(i,n),e.zUp){const e=i[1];i[1]=i[2],i[2]=e}this._radius=p.lenVec3(i),this._polar=Math.acos(i[1]/this._radius),this._azimuth=Math.atan2(i[0],i[2]),this._pivoting=!0}_cameraLookingDownwards(){const e=this._scene.camera,t=p.normalizeVec3(p.subVec3(e.look,e.eye,Fh)),s=p.cross3Vec3(t,e.worldUp,Hh);return p.sqLenVec3(s)<=1e-4}getPivoting(){return this._pivoting}setPivotPos(e){this._pivotWorldPos.set(e),this._pivotPosSet=!0}setCanvasPivotPos(e){const t=this._scene.camera,s=Math.abs(p.distVec3(this._scene.center,t.eye)),n=t.project.transposedMatrix,i=n.subarray(8,12),a=n.subarray(12),r=[0,0,-1,1],l=p.dotVec4(r,i)/p.dotVec4(r,a),o=Gh;t.project.unproject(e,l,Vh,jh,o);const c=p.normalizeVec3(p.subVec3(o,t.eye,Fh)),u=p.addVec3(t.eye,p.mulVec3Scalar(c,s,Hh),Uh);this.setPivotPos(u)}getPivotPos(){return this._pivotPosSet?this._pivotWorldPos:this._scene.camera.look}continuePivot(e,t){if(!this._pivoting)return;if(0===e&&0===t)return;const s=this._scene.camera;var n=-e;const i=-t;1===s.worldUp[2]&&(n=-n),this._azimuth+=.01*-n,this._polar+=.01*i,this._polar=p.clamp(this._polar,.001,Math.PI-.001);const a=[this._radius*Math.sin(this._polar)*Math.sin(this._azimuth),this._radius*Math.cos(this._polar),this._radius*Math.sin(this._polar)*Math.cos(this._azimuth)];if(1===s.worldUp[2]){const e=a[1];a[1]=a[2],a[2]=e}const r=p.lenVec3(p.subVec3(s.look,s.eye,p.vec3())),l=this.getPivotPos();p.addVec3(a,l);let o=p.lookAtMat4v(a,l,s.worldUp);o=p.inverseMat4(o);const c=p.transformVec3(o,this._cameraOffset);o[12]-=c[0],o[13]-=c[1],o[14]-=c[2];const u=[o[8],o[9],o[10]];s.eye=[o[12],o[13],o[14]],p.subVec3(s.eye,p.mulVec3Scalar(u,r),s.look),s.up=[o[4],o[5],o[6]],this.showPivot()}showPivot(){this._shown||(null!==this._hideTimeout&&(window.clearTimeout(this._hideTimeout),this._hideTimeout=null),this._pivotElement&&(this.updatePivotElement(),this._pivotElement.style.visibility="visible",this._shown=!0,this._hideTimeout=window.setTimeout((()=>{this.hidePivot()}),1e3)))}hidePivot(){this._shown&&(null!==this._hideTimeout&&(window.clearTimeout(this._hideTimeout),this._hideTimeout=null),this._pivotElement&&(this._pivotElement.style.visibility="hidden"),this._shown=!1)}endPivot(){this._pivoting=!1}destroy(){this._scene.camera.off(this._onViewMatrix),this._scene.camera.off(this._onProjMatrix),this._scene.off(this._onTick)}}class Qh{constructor(e,t){this._scene=e.scene,this._cameraControl=e,this._scene.canvas.canvas.oncontextmenu=function(e){e.preventDefault()},this._configs=t,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick=!1,this.pickCursorPos=p.vec2(),this.picked=!1,this.pickedSurface=!1,this.pickResult=null,this._lastPickedEntityId=null,this._needFireEvents=!1}update(){if(!this._configs.pointerEnabled)return;if(!this.schedulePickEntity&&!this.schedulePickSurface)return;this.picked=!1,this.pickedSurface=!1,this.snappedOrPicked=!1,this.hoveredSnappedOrSurfaceOff=!1,this._needFireEvents=!1;const e=this._cameraControl.hasSubs("hoverSurface");if(this.scheduleSnapOrPick){const e=this._scene.snapPick({canvasPos:this.pickCursorPos,snapRadius:this._configs.snapRadius,snapMode:this._configs.snapMode});e&&e.snappedWorldPos?(this.snapPickResult=e,this.snappedOrPicked=!0,this._needFireEvents=!0):(this.schedulePickSurface=!0,this.snapPickResult=null)}if(this.schedulePickSurface&&this.pickResult&&this.pickResult.worldPos){const t=this.pickResult.canvasPos;if(t[0]===this.pickCursorPos[0]&&t[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!0,this._needFireEvents=e,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.hoveredSnappedOrSurfaceOff=!0,void(this.scheduleSnapOrPick=!1)}if(this.schedulePickEntity&&this.pickResult&&(this.pickResult.canvasPos||this.pickResult.snappedCanvasPos)){const e=this.pickResult.canvasPos||this.pickResult.snappedCanvasPos;if(e[0]===this.pickCursorPos[0]&&e[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!1,this._needFireEvents=!1,this.schedulePickEntity=!1,void(this.schedulePickSurface=!1)}this.schedulePickSurface||this.scheduleSnapOrPick&&!this.snapPickResult?(this.pickResult=this._scene.pick({pickSurface:!0,pickSurfaceNormal:!1,canvasPos:this.pickCursorPos}),this.pickResult?(this.picked=!0,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.pickedSurface=!0,this._needFireEvents=!0):this.scheduleSnapOrPick&&(this.hoveredSnappedOrSurfaceOff=!0,this._needFireEvents=!0)):(this.pickResult=this._scene.pick({canvasPos:this.pickCursorPos}),this.pickResult&&(this.picked=!0,this.pickedSurface=!1,this._needFireEvents=!0)),this.scheduleSnapOrPick=!1,this.schedulePickEntity=!1,this.schedulePickSurface=!1}fireEvents(){if(this._needFireEvents){if(this.hoveredSnappedOrSurfaceOff&&this._cameraControl.fire("hoverSnapOrSurfaceOff",{canvasPos:this.pickCursorPos},!0),this.snappedOrPicked)if(this.snapPickResult){const e=new me;e.worldPos=this.snapPickResult.snappedWorldPos,e.canvasPos=this.snapPickResult.snappedCanvasPos,this._cameraControl.fire("hoverSnapOrSurface",e,!0),this.snapPickResult=null}else this._cameraControl.fire("hoverSnapOrSurface",this.pickResult,!0);if(this.picked&&this.pickResult&&(this.pickResult.entity||this.pickResult.worldPos)){if(this.pickResult.entity){const e=this.pickResult.entity.id;this._lastPickedEntityId!==e&&(void 0!==this._lastPickedEntityId&&this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._cameraControl.fire("hoverEnter",this.pickResult,!0),this._lastPickedEntityId=e)}this._cameraControl.fire("hover",this.pickResult,!0),this.pickResult.worldPos&&(this.pickedSurface=!0,this._cameraControl.fire("hoverSurface",this.pickResult,!0))}else void 0!==this._lastPickedEntityId&&(this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),this._cameraControl.fire("hoverOff",{canvasPos:this.pickCursorPos},!0);this.pickResult=null,this._needFireEvents=!1}}destroy(){}}const Wh=p.vec2();class zh{constructor(e,t,s,n,i){this._scene=e;const a=t.pickController;let r,l,o,c=0,u=0,h=0,A=0,d=!1;const f=p.vec3();let I=!0;const y=this._scene.canvas.canvas,m=[];function v(e=!0){y.style.cursor="move",c=n.pointerCanvasPos[0],u=n.pointerCanvasPos[1],h=n.pointerCanvasPos[0],A=n.pointerCanvasPos[1],e&&(a.pickCursorPos=n.pointerCanvasPos,a.schedulePickSurface=!0,a.update(),a.picked&&a.pickedSurface&&a.pickResult&&a.pickResult.worldPos?(d=!0,f.set(a.pickResult.worldPos)):d=!1)}document.addEventListener("keydown",this._documentKeyDownHandler=t=>{if(!s.active||!s.pointerEnabled||!e.input.keyboardEnabled)return;const n=t.keyCode;m[n]=!0}),document.addEventListener("keyup",this._documentKeyUpHandler=t=>{if(!s.active||!s.pointerEnabled||!e.input.keyboardEnabled)return;const n=t.keyCode;m[n]=!1}),y.addEventListener("mousedown",this._mouseDownHandler=t=>{if(s.active&&s.pointerEnabled)switch(t.which){case 1:m[e.input.KEY_SHIFT]||s.planView?(r=!0,v()):(r=!0,v(!1));break;case 2:l=!0,v();break;case 3:o=!0,s.panRightClick&&v()}}),document.addEventListener("mousemove",this._documentMouseMoveHandler=()=>{if(!s.active||!s.pointerEnabled)return;if(!r&&!l&&!o)return;const t=e.canvas.boundary,a=t[2],h=t[3],A=n.pointerCanvasPos[0],I=n.pointerCanvasPos[1];if(m[e.input.KEY_SHIFT]||s.planView||!s.panRightClick&&l||s.panRightClick&&o){const t=A-c,s=I-u,n=e.camera;if("perspective"===n.projection){const a=Math.abs(d?p.lenVec3(p.subVec3(f,e.camera.eye,[])):e.camera.eyeLookDist)*Math.tan(n.perspective.fov/2*Math.PI/180);i.panDeltaX+=1.5*t*a/h,i.panDeltaY+=1.5*s*a/h}else i.panDeltaX+=.5*n.ortho.scale*(t/h),i.panDeltaY+=.5*n.ortho.scale*(s/h)}else!r||l||o||s.planView||(s.firstPerson?(i.rotateDeltaY-=(A-c)/a*s.dragRotationRate/2,i.rotateDeltaX+=(I-u)/h*(s.dragRotationRate/4)):(i.rotateDeltaY-=(A-c)/a*(1.5*s.dragRotationRate),i.rotateDeltaX+=(I-u)/h*(1.5*s.dragRotationRate)));c=A,u=I}),y.addEventListener("mousemove",this._canvasMouseMoveHandler=e=>{s.active&&s.pointerEnabled&&n.mouseover&&(I=!0)}),document.addEventListener("mouseup",this._documentMouseUpHandler=e=>{if(s.active&&s.pointerEnabled)switch(e.which){case 1:case 2:case 3:r=!1,l=!1,o=!1}}),y.addEventListener("mouseup",this._mouseUpHandler=e=>{if(s.active&&s.pointerEnabled){if(3===e.which){!function(e,t){if(e){let s=e.target,n=0,i=0,a=0,r=0;for(;s.offsetParent;)n+=s.offsetLeft,i+=s.offsetTop,a+=s.scrollLeft,r+=s.scrollTop,s=s.offsetParent;t[0]=e.pageX+a-n,t[1]=e.pageY+r-i}else e=window.event,t[0]=e.x,t[1]=e.y}(e,Wh);const s=Wh[0],n=Wh[1];Math.abs(s-h)<3&&Math.abs(n-A)<3&&t.cameraControl.fire("rightClick",{pagePos:[Math.round(e.pageX),Math.round(e.pageY)],canvasPos:Wh,event:e},!0)}y.style.removeProperty("cursor")}}),y.addEventListener("mouseenter",this._mouseEnterHandler=()=>{s.active&&s.pointerEnabled});const w=1/60;let g=null;y.addEventListener("wheel",this._mouseWheelHandler=e=>{if(!s.active||!s.pointerEnabled)return;const t=performance.now()/1e3;var a=null!==g?t-g:0;g=t,a>.05&&(a=.05),a<w&&(a=w);const r=Math.max(-1,Math.min(1,40*-e.deltaY));if(0===r)return;const l=r/Math.abs(r);i.dollyDelta+=-l*a*s.mouseWheelDollyRate,I&&(n.followPointerDirty=!0,I=!1)},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("keydown",this._documentKeyDownHandler),document.removeEventListener("keyup",this._documentKeyUpHandler),e.removeEventListener("mousedown",this._mouseDownHandler),document.removeEventListener("mousemove",this._documentMouseMoveHandler),e.removeEventListener("mousemove",this._canvasMouseMoveHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._mouseUpHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("wheel",this._mouseWheelHandler)}}const Kh=p.vec3(),Yh=p.vec3(),Xh=p.vec3(),qh=p.vec3(),Jh=p.vec3(),Zh={eye:p.vec3(),look:p.vec3(),up:p.vec3()};class $h{constructor(e,t,s,n){this._scene=e;const i=t.cameraControl,a=e.camera;this._onSceneKeyDown=e.input.on("keydown",(()=>{if(!s.active||!s.pointerEnabled||!e.input.keyboardEnabled)return;if(!n.mouseover)return;const r=i._isKeyDownForAction(i.AXIS_VIEW_RIGHT),l=i._isKeyDownForAction(i.AXIS_VIEW_BACK),o=i._isKeyDownForAction(i.AXIS_VIEW_LEFT),c=i._isKeyDownForAction(i.AXIS_VIEW_FRONT),u=i._isKeyDownForAction(i.AXIS_VIEW_TOP),h=i._isKeyDownForAction(i.AXIS_VIEW_BOTTOM);if(!(r||l||o||c||u||h))return;const A=e.aabb,d=p.getAABB3Diag(A);p.getAABB3Center(A,Kh);const f=Math.abs(d/Math.tan(t.cameraFlight.fitFOV*p.DEGTORAD)),I=1.1*d;Zh.orthoScale=I,r?(Zh.eye.set(p.addVec3(Kh,p.mulVec3Scalar(a.worldRight,f,Yh),Jh)),Zh.look.set(Kh),Zh.up.set(a.worldUp)):l?(Zh.eye.set(p.addVec3(Kh,p.mulVec3Scalar(a.worldForward,f,Yh),Jh)),Zh.look.set(Kh),Zh.up.set(a.worldUp)):o?(Zh.eye.set(p.addVec3(Kh,p.mulVec3Scalar(a.worldRight,-f,Yh),Jh)),Zh.look.set(Kh),Zh.up.set(a.worldUp)):c?(Zh.eye.set(p.addVec3(Kh,p.mulVec3Scalar(a.worldForward,-f,Yh),Jh)),Zh.look.set(Kh),Zh.up.set(a.worldUp)):u?(Zh.eye.set(p.addVec3(Kh,p.mulVec3Scalar(a.worldUp,f,Yh),Jh)),Zh.look.set(Kh),Zh.up.set(p.normalizeVec3(p.mulVec3Scalar(a.worldForward,1,Xh),qh))):h&&(Zh.eye.set(p.addVec3(Kh,p.mulVec3Scalar(a.worldUp,-f,Yh),Jh)),Zh.look.set(Kh),Zh.up.set(p.normalizeVec3(p.mulVec3Scalar(a.worldForward,-1,Xh)))),!s.firstPerson&&s.followPointer&&t.pivotController.setPivotPos(Kh),t.cameraFlight.duration>0?t.cameraFlight.flyTo(Zh,(()=>{t.pivotController.getPivoting()&&s.followPointer&&t.pivotController.showPivot()})):(t.cameraFlight.jumpTo(Zh),t.pivotController.getPivoting()&&s.followPointer&&t.pivotController.showPivot())}))}reset(){}destroy(){this._scene.input.off(this._onSceneKeyDown)}}class ep{constructor(e,t,s,n,i){this._scene=e;const a=t.pickController,r=t.pivotController,l=t.cameraControl;this._clicks=0,this._timeout=null,this._lastPickedEntityId=null;let o=!1,c=!1;const u=this._scene.canvas.canvas,h=s=>{let n;s&&s.worldPos&&(n=s.worldPos);const i=s&&s.entity?s.entity.aabb:e.aabb;if(n){const s=e.camera;p.subVec3(s.eye,s.look,[]),t.cameraFlight.flyTo({aabb:i})}else t.cameraFlight.flyTo({aabb:i})};u.addEventListener("mousemove",this._canvasMouseMoveHandler=t=>{if(!s.active||!s.pointerEnabled)return;if(o||c)return;const i=l.hasSubs("hover"),r=l.hasSubs("hoverOut"),u=l.hasSubs("hoverOff"),h=l.hasSubs("hoverSurface"),p=l.hasSubs("hoverSnapOrSurface");if(i||r||u||h||p)if(a.pickCursorPos=n.pointerCanvasPos,a.schedulePickEntity=!0,a.schedulePickSurface=h,a.scheduleSnapOrPick=p,a.update(),a.pickResult){if(a.pickResult.entity){const t=a.pickResult.entity.id;this._lastPickedEntityId!==t&&(void 0!==this._lastPickedEntityId&&l.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),l.fire("hoverEnter",a.pickResult,!0),this._lastPickedEntityId=t)}l.fire("hover",a.pickResult,!0),(a.pickResult.worldPos||a.pickResult.snappedWorldPos)&&l.fire("hoverSurface",a.pickResult,!0)}else void 0!==this._lastPickedEntityId&&(l.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),l.fire("hoverOff",{canvasPos:a.pickCursorPos},!0)}),u.addEventListener("mousedown",this._canvasMouseDownHandler=t=>{1===t.which&&(o=!0),3===t.which&&(c=!0);if(1===t.which&&s.active&&s.pointerEnabled&&(n.mouseDownClientX=t.clientX,n.mouseDownClientY=t.clientY,n.mouseDownCursorX=n.pointerCanvasPos[0],n.mouseDownCursorY=n.pointerCanvasPos[1],!s.firstPerson&&s.followPointer&&(a.pickCursorPos=n.pointerCanvasPos,a.schedulePickSurface=!0,a.update(),1===t.which))){const t=a.pickResult;t&&t.worldPos?(r.setPivotPos(t.worldPos),r.startPivot()):(s.smartPivot?r.setCanvasPivotPos(n.pointerCanvasPos):r.setPivotPos(e.camera.look),r.startPivot())}}),document.addEventListener("mouseup",this._documentMouseUpHandler=e=>{1===e.which&&(o=!1),3===e.which&&(c=!1)}),u.addEventListener("mouseup",this._canvasMouseUpHandler=i=>{if(!s.active||!s.pointerEnabled)return;if(!(1===i.which))return;if(r.hidePivot(),Math.abs(i.clientX-n.mouseDownClientX)>3||Math.abs(i.clientY-n.mouseDownClientY)>3)return;const o=l.hasSubs("picked"),c=l.hasSubs("pickedNothing"),u=l.hasSubs("pickedSurface"),A=l.hasSubs("doublePicked"),d=l.hasSubs("doublePickedSurface"),f=l.hasSubs("doublePickedNothing");if(!(s.doublePickFlyTo||A||d||f))return(o||c||u)&&(a.pickCursorPos=n.pointerCanvasPos,a.schedulePickEntity=!0,a.schedulePickSurface=u,a.update(),a.pickResult?(l.fire("picked",a.pickResult,!0),a.pickedSurface&&l.fire("pickedSurface",a.pickResult,!0)):l.fire("pickedNothing",{canvasPos:n.pointerCanvasPos},!0)),void(this._clicks=0);if(this._clicks++,1===this._clicks){a.pickCursorPos=n.pointerCanvasPos,a.schedulePickEntity=s.doublePickFlyTo,a.schedulePickSurface=u,a.update();const e=a.pickResult,i=a.pickedSurface;this._timeout=setTimeout((()=>{e?(l.fire("picked",e,!0),i&&(l.fire("pickedSurface",e,!0),!s.firstPerson&&s.followPointer&&(t.pivotController.setPivotPos(e.worldPos),t.pivotController.startPivot()&&t.pivotController.showPivot()))):l.fire("pickedNothing",{canvasPos:n.pointerCanvasPos},!0),this._clicks=0}),s.doubleClickTimeFrame)}else{if(null!==this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null),a.pickCursorPos=n.pointerCanvasPos,a.schedulePickEntity=s.doublePickFlyTo||A||d,a.schedulePickSurface=a.schedulePickEntity&&d,a.update(),a.pickResult){if(l.fire("doublePicked",a.pickResult,!0),a.pickedSurface&&l.fire("doublePickedSurface",a.pickResult,!0),s.doublePickFlyTo&&(h(a.pickResult),!s.firstPerson&&s.followPointer)){const e=a.pickResult.entity.aabb,s=p.getAABB3Center(e);t.pivotController.setPivotPos(s),t.pivotController.startPivot()&&t.pivotController.showPivot()}}else if(l.fire("doublePickedNothing",{canvasPos:n.pointerCanvasPos},!0),s.doublePickFlyTo&&(h(),!s.firstPerson&&s.followPointer)){const s=e.aabb,n=p.getAABB3Center(s);t.pivotController.setPivotPos(n),t.pivotController.startPivot()&&t.pivotController.showPivot()}this._clicks=0}},!1)}reset(){this._clicks=0,this._lastPickedEntityId=null,this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("mousemove",this._canvasMouseMoveHandler),e.removeEventListener("mousedown",this._canvasMouseDownHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._canvasMouseUpHandler),this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}}class tp{constructor(e,t,s,n,i){this._scene=e;const a=e.input,r=[],l=e.canvas.canvas;let o=!0;this._onSceneMouseMove=a.on("mousemove",(()=>{o=!0})),this._onSceneKeyDown=a.on("keydown",(t=>{s.active&&s.pointerEnabled&&e.input.keyboardEnabled&&n.mouseover&&(r[t]=!0,t===a.KEY_SHIFT&&(l.style.cursor="move"))})),this._onSceneKeyUp=a.on("keyup",(t=>{s.active&&s.pointerEnabled&&e.input.keyboardEnabled&&(r[t]=!1,t===a.KEY_SHIFT&&(l.style.cursor=null))})),this._onTick=e.on("tick",(l=>{if(!s.active||!s.pointerEnabled||!e.input.keyboardEnabled)return;if(!n.mouseover)return;const c=t.cameraControl,u=l.deltaTime/1e3;if(!s.planView){const e=c._isKeyDownForAction(c.ROTATE_Y_POS,r),n=c._isKeyDownForAction(c.ROTATE_Y_NEG,r),a=c._isKeyDownForAction(c.ROTATE_X_POS,r),l=c._isKeyDownForAction(c.ROTATE_X_NEG,r),o=u*s.keyboardRotationRate;(e||n||a||l)&&(!s.firstPerson&&s.followPointer&&t.pivotController.startPivot(),e?i.rotateDeltaY+=o:n&&(i.rotateDeltaY-=o),a?i.rotateDeltaX+=o:l&&(i.rotateDeltaX-=o),!s.firstPerson&&s.followPointer&&t.pivotController.startPivot())}if(!r[a.KEY_CTRL]&&!r[a.KEY_ALT]){const e=c._isKeyDownForAction(c.DOLLY_BACKWARDS,r),a=c._isKeyDownForAction(c.DOLLY_FORWARDS,r);if(e||a){const r=u*s.keyboardDollyRate;!s.firstPerson&&s.followPointer&&t.pivotController.startPivot(),a?i.dollyDelta-=r:e&&(i.dollyDelta+=r),o&&(n.followPointerDirty=!0,o=!1)}}const h=c._isKeyDownForAction(c.PAN_FORWARDS,r),p=c._isKeyDownForAction(c.PAN_BACKWARDS,r),A=c._isKeyDownForAction(c.PAN_LEFT,r),d=c._isKeyDownForAction(c.PAN_RIGHT,r),f=c._isKeyDownForAction(c.PAN_UP,r),I=c._isKeyDownForAction(c.PAN_DOWN,r),y=(r[a.KEY_ALT]?.3:1)*u*s.keyboardPanRate;(h||p||A||d||f||I)&&(!s.firstPerson&&s.followPointer&&t.pivotController.startPivot(),I?i.panDeltaY+=y:f&&(i.panDeltaY+=-y),d?i.panDeltaX+=-y:A&&(i.panDeltaX+=y),p?i.panDeltaZ+=y:h&&(i.panDeltaZ+=-y))}))}reset(){}destroy(){this._scene.off(this._onTick),this._scene.input.off(this._onSceneMouseMove),this._scene.input.off(this._onSceneKeyDown),this._scene.input.off(this._onSceneKeyUp)}}const sp=p.vec3();class np{constructor(e,t,s,n,i){this._scene=e;const a=e.camera,r=t.pickController,l=t.pivotController,o=t.panController;let c=1,u=1,h=null;this._onTick=e.on("tick",(()=>{if(!s.active||!s.pointerEnabled)return;let t="default";if(Math.abs(i.dollyDelta)<.001&&(i.dollyDelta=0),Math.abs(i.rotateDeltaX)<.001&&(i.rotateDeltaX=0),Math.abs(i.rotateDeltaY)<.001&&(i.rotateDeltaY=0),0===i.rotateDeltaX&&0===i.rotateDeltaY||(i.dollyDelta=0),s.followPointer&&--c<=0&&(c=1,0!==i.dollyDelta)){if(0===i.rotateDeltaY&&0===i.rotateDeltaX&&s.followPointer&&n.followPointerDirty&&(r.pickCursorPos=n.pointerCanvasPos,r.schedulePickSurface=!0,r.update(),r.pickResult&&r.pickResult.worldPos?h=r.pickResult.worldPos:(u=1,h=null),n.followPointerDirty=!1),h){const t=Math.abs(p.lenVec3(p.subVec3(h,e.camera.eye,sp)));u=t/s.dollyProximityThreshold}u<s.dollyMinSpeed&&(u=s.dollyMinSpeed)}const A=i.dollyDelta*u;if(0===i.rotateDeltaY&&0===i.rotateDeltaX||(!s.firstPerson&&s.followPointer&&l.getPivoting()?(l.continuePivot(i.rotateDeltaY,i.rotateDeltaX),l.showPivot()):(0!==i.rotateDeltaX&&(s.firstPerson?a.pitch(-i.rotateDeltaX):a.orbitPitch(i.rotateDeltaX)),0!==i.rotateDeltaY&&(s.firstPerson?a.yaw(i.rotateDeltaY):a.orbitYaw(i.rotateDeltaY))),i.rotateDeltaX*=s.rotationInertia,i.rotateDeltaY*=s.rotationInertia,t="grabbing"),Math.abs(i.panDeltaX)<.001&&(i.panDeltaX=0),Math.abs(i.panDeltaY)<.001&&(i.panDeltaY=0),Math.abs(i.panDeltaZ)<.001&&(i.panDeltaZ=0),0!==i.panDeltaX||0!==i.panDeltaY||0!==i.panDeltaZ){const e=p.vec3();let n,r;if(e[0]=i.panDeltaX,e[1]=i.panDeltaY,e[2]=i.panDeltaZ,s.constrainVertical){a.xUp?(n=a.eye[0],r=a.look[0]):a.yUp?(n=a.eye[1],r=a.look[1]):a.zUp&&(n=a.eye[2],r=a.look[2]),a.pan(e);const t=a.eye,s=a.look;a.xUp?(t[0]=n,s[0]=r):a.yUp?(t[1]=n,s[1]=r):a.zUp&&(t[2]=n,s[2]=r),a.eye=t,a.look=s}else a.pan(e);t="grabbing"}if(i.panDeltaX*=s.panInertia,i.panDeltaY*=s.panInertia,i.panDeltaZ*=s.panInertia,0!==A){if(t=A<0?"zoom-in":"zoom-out",s.firstPerson){let e,t;if(s.constrainVertical&&(a.xUp?(e=a.eye[0],t=a.look[0]):a.yUp?(e=a.eye[1],t=a.look[1]):a.zUp&&(e=a.eye[2],t=a.look[2])),s.followPointer){o.dollyToCanvasPos(h,n.pointerCanvasPos,-A)&&(n.followPointerDirty=!0)}else a.pan([0,0,A]),a.ortho.scale=a.ortho.scale-A;if(s.constrainVertical){const s=a.eye,n=a.look;a.xUp?(s[0]=e,n[0]=t):a.yUp?(s[1]=e,n[1]=t):a.zUp&&(s[2]=e,n[2]=t),a.eye=s,a.look=n}}else if(s.planView)if(s.followPointer){o.dollyToCanvasPos(h,n.pointerCanvasPos,-A)&&(n.followPointerDirty=!0)}else a.ortho.scale=a.ortho.scale+A,a.zoom(A);else if(s.followPointer){o.dollyToCanvasPos(h,n.pointerCanvasPos,-A)&&(n.followPointerDirty=!0)}else a.ortho.scale=a.ortho.scale+A,a.zoom(A);i.dollyDelta*=s.dollyInertia}r.fireEvents(),document.body.style.cursor=t}))}destroy(){this._scene.off(this._onTick)}}class ip{constructor(e,t,s,n,i){this._scene=e;const a=this._scene.canvas.canvas;a.addEventListener("mouseenter",this._mouseEnterHandler=()=>{n.mouseover=!0}),a.addEventListener("mouseleave",this._mouseLeaveHandler=()=>{n.mouseover=!1,a.style.cursor=null}),document.addEventListener("mousemove",this._mouseMoveHandler=e=>{ap(e,a,n.pointerCanvasPos)}),a.addEventListener("mousedown",this._mouseDownHandler=e=>{s.active&&s.pointerEnabled&&(ap(e,a,n.pointerCanvasPos),n.mouseover=!0)}),a.addEventListener("mouseup",this._mouseUpHandler=e=>{s.active&&s.pointerEnabled})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("mousemove",this._mouseMoveHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("mouseleave",this._mouseLeaveHandler),e.removeEventListener("mousedown",this._mouseDownHandler),e.removeEventListener("mouseup",this._mouseUpHandler)}}function ap(e,t,s){if(e){const{x:n,y:i}=t.getBoundingClientRect();s[0]=e.clientX-n,s[1]=e.clientY-i}else e=window.event,s[0]=e.x,s[1]=e.y;return s}const rp=function(e,t){if(e){let s=e.target,n=0,i=0;for(;s.offsetParent;)n+=s.offsetLeft,i+=s.offsetTop,s=s.offsetParent;t[0]=e.pageX-n,t[1]=e.pageY-i}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class lp{constructor(e,t,s,n,i){this._scene=e;const a=t.pickController,r=t.pivotController,l=p.vec2(),o=p.vec2(),c=p.vec2(),u=p.vec2(),h=[],A=this._scene.canvas.canvas;let d=0,f=!1;this._onTick=e.on("tick",(()=>{f=!1})),A.addEventListener("touchstart",this._canvasTouchStartHandler=t=>{if(!s.active||!s.pointerEnabled)return;t.preventDefault();const i=t.touches,o=t.changedTouches;for(n.touchStartTime=Date.now(),1===i.length&&1===o.length&&(rp(i[0],l),s.followPointer&&(a.pickCursorPos=l,a.schedulePickSurface=!0,a.update(),s.planView||(a.picked&&a.pickedSurface&&a.pickResult&&a.pickResult.worldPos?(r.setPivotPos(a.pickResult.worldPos),!s.firstPerson&&r.startPivot()&&r.showPivot()):(s.smartPivot?r.setCanvasPivotPos(n.pointerCanvasPos):r.setPivotPos(e.camera.look),!s.firstPerson&&r.startPivot()&&r.showPivot()))));h.length<i.length;)h.push(p.vec2());for(let e=0,t=i.length;e<t;++e)rp(i[e],h[e]);d=i.length}),A.addEventListener("touchmove",this._canvasTouchMoveHandler=t=>{if(!s.active||!s.pointerEnabled)return;if(t.stopPropagation(),t.preventDefault(),f)return;f=!0;const r=e.canvas.boundary,l=r[2],A=r[3],I=t.touches;if(t.touches.length===d){if(1===d){rp(I[0],o),p.subVec2(o,h[0],u);const t=u[0],a=u[1];if(null!==n.longTouchTimeout&&(Math.abs(t)>s.longTapRadius||Math.abs(a)>s.longTapRadius)&&(clearTimeout(n.longTouchTimeout),n.longTouchTimeout=null),s.planView){const n=e.camera;if("perspective"===n.projection){const r=Math.abs(e.camera.eyeLookDist)*Math.tan(n.perspective.fov/2*Math.PI/180);i.panDeltaX+=t*r/A*s.touchPanRate,i.panDeltaY+=a*r/A*s.touchPanRate}else i.panDeltaX+=.5*n.ortho.scale*(t/A)*s.touchPanRate,i.panDeltaY+=.5*n.ortho.scale*(a/A)*s.touchPanRate}else i.rotateDeltaY-=t/l*(1*s.dragRotationRate),i.rotateDeltaX+=a/A*(1.5*s.dragRotationRate)}else if(2===d){const t=I[0],r=I[1];rp(t,o),rp(r,c);const l=p.geometricMeanVec2(h[0],h[1]),u=p.geometricMeanVec2(o,c),d=p.vec2();p.subVec2(l,u,d);const f=d[0],y=d[1],m=e.camera,v=p.distVec2([t.pageX,t.pageY],[r.pageX,r.pageY]),w=(p.distVec2(h[0],h[1])-v)*s.touchDollyRate;if(i.dollyDelta=w,Math.abs(w)<1)if("perspective"===m.projection){const t=a.pickResult?a.pickResult.worldPos:e.center,n=Math.abs(p.lenVec3(p.subVec3(t,e.camera.eye,[])))*Math.tan(m.perspective.fov/2*Math.PI/180);i.panDeltaX-=f*n/A*s.touchPanRate,i.panDeltaY-=y*n/A*s.touchPanRate}else i.panDeltaX-=.5*m.ortho.scale*(f/A)*s.touchPanRate,i.panDeltaY-=.5*m.ortho.scale*(y/A)*s.touchPanRate;n.pointerCanvasPos=u}for(let e=0;e<d;++e)rp(I[e],h[e])}})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchmove",this._canvasTouchMoveHandler),this._scene.off(this._onTick)}}const op=function(e,t){if(e){let s=e.target,n=0,i=0;for(;s.offsetParent;)n+=s.offsetLeft,i+=s.offsetTop,s=s.offsetParent;t[0]=e.pageX-n,t[1]=e.pageY-i}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class cp{constructor(e,t,s,n,i){this._scene=e;const a=t.pickController,r=t.cameraControl;let l;const o=[],c=new Float32Array(2);let u=-1,h=-1;const A=this._scene.canvas.canvas,d=s=>{let n;s&&s.worldPos&&(n=s.worldPos);const i=s?s.entity.aabb:e.aabb;if(n){const s=e.camera;p.subVec3(s.eye,s.look,[]),t.cameraFlight.flyTo({aabb:i})}else t.cameraFlight.flyTo({aabb:i})};A.addEventListener("touchstart",this._canvasTouchStartHandler=e=>{if(!s.active||!s.pointerEnabled)return;null!==n.longTouchTimeout&&(clearTimeout(n.longTouchTimeout),n.longTouchTimeout=null);const i=e.touches,a=e.changedTouches;if(l=Date.now(),1===i.length&&1===a.length){u=l,op(i[0],c);const a=c[0],r=c[1],o=i[0].pageX,h=i[0].pageY;n.longTouchTimeout=setTimeout((()=>{t.cameraControl.fire("rightClick",{pagePos:[Math.round(o),Math.round(h)],canvasPos:[Math.round(a),Math.round(r)],event:e},!0),n.longTouchTimeout=null}),s.longTapTimeout)}else u=-1;for(;o.length<i.length;)o.push(new Float32Array(2));for(let e=0,t=i.length;e<t;++e)op(i[e],o[e]);o.length=i.length},{passive:!0}),A.addEventListener("touchend",this._canvasTouchEndHandler=e=>{if(!s.active||!s.pointerEnabled)return;const t=Date.now(),i=e.touches,l=e.changedTouches,A=r.hasSubs("pickedSurface");null!==n.longTouchTimeout&&(clearTimeout(n.longTouchTimeout),n.longTouchTimeout=null),0===i.length&&1===l.length&&u>-1&&t-u<150&&(h>-1&&u-h<325?(op(l[0],a.pickCursorPos),a.schedulePickEntity=!0,a.schedulePickSurface=A,a.update(),a.pickResult?(a.pickResult.touchInput=!0,r.fire("doublePicked",a.pickResult),a.pickedSurface&&r.fire("doublePickedSurface",a.pickResult),s.doublePickFlyTo&&d(a.pickResult)):(r.fire("doublePickedNothing"),s.doublePickFlyTo&&d()),h=-1):p.distVec2(o[0],c)<4&&(op(l[0],a.pickCursorPos),a.schedulePickEntity=!0,a.schedulePickSurface=A,a.update(),a.pickResult?(a.pickResult.touchInput=!0,r.fire("picked",a.pickResult),a.pickedSurface&&r.fire("pickedSurface",a.pickResult)):r.fire("pickedNothing"),h=t),u=-1),o.length=i.length;for(let e=0,t=i.length;e<t;++e)o[e][0]=i[e].pageX,o[e][1]=i[e].pageY},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler)}}class up extends _{constructor(e,t={}){super(e,t),this.PAN_LEFT=0,this.PAN_RIGHT=1,this.PAN_UP=2,this.PAN_DOWN=3,this.PAN_FORWARDS=4,this.PAN_BACKWARDS=5,this.ROTATE_X_POS=6,this.ROTATE_X_NEG=7,this.ROTATE_Y_POS=8,this.ROTATE_Y_NEG=9,this.DOLLY_FORWARDS=10,this.DOLLY_BACKWARDS=11,this.AXIS_VIEW_RIGHT=12,this.AXIS_VIEW_BACK=13,this.AXIS_VIEW_LEFT=14,this.AXIS_VIEW_FRONT=15,this.AXIS_VIEW_TOP=16,this.AXIS_VIEW_BOTTOM=17,this._keyMap={},this.scene.canvas.canvas.oncontextmenu=e=>{e.preventDefault()},this._configs={longTapTimeout:600,longTapRadius:5,active:!0,keyboardLayout:"qwerty",navMode:"orbit",planView:!1,firstPerson:!1,followPointer:!0,doublePickFlyTo:!0,panRightClick:!0,showPivot:!1,pointerEnabled:!0,constrainVertical:!1,smartPivot:!1,doubleClickTimeFrame:250,snapMode:"vertex",snapRadius:30,dragRotationRate:360,keyboardRotationRate:90,rotationInertia:0,keyboardPanRate:1,touchPanRate:1,panInertia:.5,keyboardDollyRate:10,mouseWheelDollyRate:100,touchDollyRate:.2,dollyInertia:0,dollyProximityThreshold:30,dollyMinSpeed:.04},this._states={pointerCanvasPos:p.vec2(),mouseover:!1,followPointerDirty:!0,mouseDownClientX:0,mouseDownClientY:0,mouseDownCursorX:0,mouseDownCursorY:0,touchStartTime:null,activeTouches:[],tapStartPos:p.vec2(),tapStartTime:-1,lastTapTime:-1,longTouchTimeout:null},this._updates={rotateDeltaX:0,rotateDeltaY:0,panDeltaX:0,panDeltaY:0,panDeltaZ:0,dollyDelta:0};const s=this.scene;this._controllers={cameraControl:this,pickController:new Qh(this,this._configs),pivotController:new kh(s,this._configs),panController:new Mh(s),cameraFlight:new Fa(this,{duration:.5})},this._handlers=[new ip(this.scene,this._controllers,this._configs,this._states,this._updates),new lp(this.scene,this._controllers,this._configs,this._states,this._updates),new zh(this.scene,this._controllers,this._configs,this._states,this._updates),new $h(this.scene,this._controllers,this._configs,this._states,this._updates),new ep(this.scene,this._controllers,this._configs,this._states,this._updates),new cp(this.scene,this._controllers,this._configs,this._states,this._updates),new tp(this.scene,this._controllers,this._configs,this._states,this._updates)],this._cameraUpdater=new np(this.scene,this._controllers,this._configs,this._states,this._updates),this.navMode=t.navMode,t.planView&&(this.planView=t.planView),this.constrainVertical=t.constrainVertical,t.keyboardLayout?this.keyboardLayout=t.keyboardLayout:this.keyMap=t.keyMap,this.doublePickFlyTo=t.doublePickFlyTo,this.panRightClick=t.panRightClick,this.active=t.active,this.followPointer=t.followPointer,this.rotationInertia=t.rotationInertia,this.keyboardPanRate=t.keyboardPanRate,this.touchPanRate=t.touchPanRate,this.keyboardRotationRate=t.keyboardRotationRate,this.dragRotationRate=t.dragRotationRate,this.touchDollyRate=t.touchDollyRate,this.dollyInertia=t.dollyInertia,this.dollyProximityThreshold=t.dollyProximityThreshold,this.dollyMinSpeed=t.dollyMinSpeed,this.panInertia=t.panInertia,this.pointerEnabled=!0,this.keyboardDollyRate=t.keyboardDollyRate,this.mouseWheelDollyRate=t.mouseWheelDollyRate}set keyMap(e){if(e=e||"qwerty",m.isString(e)){const t=this.scene.input,s={};switch(e){default:this.error("Unsupported value for 'keyMap': "+e+" defaulting to 'qwerty'");case"qwerty":s[this.PAN_LEFT]=[t.KEY_A],s[this.PAN_RIGHT]=[t.KEY_D],s[this.PAN_UP]=[t.KEY_Z],s[this.PAN_DOWN]=[t.KEY_X],s[this.PAN_BACKWARDS]=[],s[this.PAN_FORWARDS]=[],s[this.DOLLY_FORWARDS]=[t.KEY_W,t.KEY_ADD],s[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],s[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],s[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],s[this.ROTATE_Y_POS]=[t.KEY_Q,t.KEY_LEFT_ARROW],s[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],s[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],s[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],s[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],s[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],s[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],s[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6];break;case"azerty":s[this.PAN_LEFT]=[t.KEY_Q],s[this.PAN_RIGHT]=[t.KEY_D],s[this.PAN_UP]=[t.KEY_W],s[this.PAN_DOWN]=[t.KEY_X],s[this.PAN_BACKWARDS]=[],s[this.PAN_FORWARDS]=[],s[this.DOLLY_FORWARDS]=[t.KEY_Z,t.KEY_ADD],s[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],s[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],s[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],s[this.ROTATE_Y_POS]=[t.KEY_A,t.KEY_LEFT_ARROW],s[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],s[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],s[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],s[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],s[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],s[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],s[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6]}this._keyMap=s}else{const t=e;this._keyMap=t}}get keyMap(){return this._keyMap}_isKeyDownForAction(e,t){const s=this._keyMap[e];if(!s)return!1;t||(t=this.scene.input.keyDown);for(let e=0,n=s.length;e<n;e++){if(t[s[e]])return!0}return!1}set pivotElement(e){this._controllers.pivotController.setPivotElement(e)}set active(e){this._configs.active=!1!==e}get active(){return this._configs.active}set snapMode(e){"vertex"!==(e=e||"vertex")&&"edge"!==e&&(this.error("Unsupported value for snapMode: "+e+" - supported values are 'vertex' and 'edge' - defaulting to 'vertex'"),e="vertex"),this._configs.snapMode=e}get snapMode(){return this._configs.snapMode}set snapRadius(e){e=e||30,this._configs.snapRadius=e}get snapRadius(){return this._configs.snapRadius}set navMode(e){"firstPerson"!==(e=e||"orbit")&&"orbit"!==e&&"planView"!==e&&(this.error("Unsupported value for navMode: "+e+" - supported values are 'orbit', 'firstPerson' and 'planView' - defaulting to 'orbit'"),e="orbit"),this._configs.firstPerson="firstPerson"===e,this._configs.planView="planView"===e,(this._configs.firstPerson||this._configs.planView)&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this._configs.navMode=e}get navMode(){return this._configs.navMode}set pointerEnabled(e){this._reset(),this._configs.pointerEnabled=!!e}_reset(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.reset&&t.reset()}this._updates.panDeltaX=0,this._updates.panDeltaY=0,this._updates.rotateDeltaX=0,this._updates.rotateDeltaY=0,this._updates.dolyDelta=0}get pointerEnabled(){return this._configs.pointerEnabled}set followPointer(e){this._configs.followPointer=!1!==e}get followPointer(){return this._configs.followPointer}set pivotPos(e){this._controllers.pivotController.setPivotPos(e)}get pivotPos(){return this._controllers.pivotController.getPivotPos()}set dollyToPointer(e){this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer=e}get dollyToPointer(){return this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer}set panToPointer(e){this.warn("panToPointer property is deprecated - replaced with followPointer")}get panToPointer(){return this.warn("panToPointer property is deprecated - replaced with followPointer"),!1}set planView(e){this._configs.planView=!!e,this._configs.firstPerson=!1,this._configs.planView&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this.warn("planView property is deprecated - replaced with navMode")}get planView(){return this.warn("planView property is deprecated - replaced with navMode"),this._configs.planView}set firstPerson(e){this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson=!!e,this._configs.planView=!1,this._configs.firstPerson&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot())}get firstPerson(){return this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson}set constrainVertical(e){this._configs.constrainVertical=!!e}get constrainVertical(){return this._configs.constrainVertical}set doublePickFlyTo(e){this._configs.doublePickFlyTo=!1!==e}get doublePickFlyTo(){return this._configs.doublePickFlyTo}set panRightClick(e){this._configs.panRightClick=!1!==e}get panRightClick(){return this._configs.panRightClick}set rotationInertia(e){this._configs.rotationInertia=null!=e?e:0}get rotationInertia(){return this._configs.rotationInertia}set keyboardPanRate(e){this._configs.keyboardPanRate=null!=e?e:5}set touchPanRate(e){this._configs.touchPanRate=null!=e?e:1}get touchPanRate(){return this._configs.touchPanRate}get keyboardPanRate(){return this._configs.keyboardPanRate}set keyboardRotationRate(e){this._configs.keyboardRotationRate=null!=e?e:90}get keyboardRotationRate(){return this._configs.keyboardRotationRate}set dragRotationRate(e){this._configs.dragRotationRate=null!=e?e:360}get dragRotationRate(){return this._configs.dragRotationRate}set keyboardDollyRate(e){this._configs.keyboardDollyRate=null!=e?e:15}get keyboardDollyRate(){return this._configs.keyboardDollyRate}set touchDollyRate(e){this._configs.touchDollyRate=null!=e?e:.2}get touchDollyRate(){return this._configs.touchDollyRate}set mouseWheelDollyRate(e){this._configs.mouseWheelDollyRate=null!=e?e:100}get mouseWheelDollyRate(){return this._configs.mouseWheelDollyRate}set dollyInertia(e){this._configs.dollyInertia=null!=e?e:0}get dollyInertia(){return this._configs.dollyInertia}set dollyProximityThreshold(e){this._configs.dollyProximityThreshold=null!=e?e:35}get dollyProximityThreshold(){return this._configs.dollyProximityThreshold}set dollyMinSpeed(e){this._configs.dollyMinSpeed=null!=e?e:.04}get dollyMinSpeed(){return this._configs.dollyMinSpeed}set panInertia(e){this._configs.panInertia=null!=e?e:.5}get panInertia(){return this._configs.panInertia}set keyboardLayout(e){"qwerty"!==(e=e||"qwerty")&&"azerty"!==e&&(this.error("Unsupported value for keyboardLayout - defaulting to 'qwerty'"),e="qwerty"),this._configs.keyboardLayout=e,this.keyMap=this._configs.keyboardLayout}get keyboardLayout(){return this._configs.keyboardLayout}set smartPivot(e){this._configs.smartPivot=!1!==e}get smartPivot(){return this._configs.smartPivot}set doubleClickTimeFrame(e){this._configs.doubleClickTimeFrame=null!=e?e:250}get doubleClickTimeFrame(){return this._configs.doubleClickTimeFrame}destroy(){this._destroyHandlers(),this._destroyControllers(),this._cameraUpdater.destroy(),super.destroy()}_destroyHandlers(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.destroy&&t.destroy()}}_destroyControllers(){for(let e=0,t=this._controllers.length;e<t;e++){const t=this._controllers[e];t.destroy&&t.destroy()}}}class hp{constructor(e,t,s,n,i){this.name=e,this.type=s,this.value=t,this.valueType=n,this.description=i}}class pp{constructor(e){if(this.id=e.id,this.originalSystemId=e.originalSystemId,this.metaModels=[],this.name=e.name,this.type=e.type,this.properties=[],e.properties){const t=e.properties;for(let e=0,s=t.length;e<s;e++){const s=t[e];this.properties.push(new hp(s.name,s.value,s.type,s.valueType,s.description))}}}}class Ap{constructor(e){this.metaModel=null,this.metaModels=[],this.id=e.id,this.parentId=e.parentId,this.parent=null,this.originalSystemId=e.originalSystemId,this.name=e.name,this.type=e.type,this.propertySetIds=e.propertySetIds,this.propertySets=[],this.attributes=e.attributes||{}}getObjectIDsInSubtree(){const e=[];return function t(s){if(!s)return;e.push(s.id);const n=s.children;if(n)for(var i=0,a=n.length;i<a;i++)t(n[i])}(this),e}withMetaObjectsInSubtree(e){!function t(s){if(!s)return;e(s);const n=s.children;if(n)for(var i=0,a=n.length;i<a;i++)t(n[i])}(this)}getObjectIDsInSubtreeByType(e){const t={};for(var s=0,n=e.length;s<n;s++)t[e[s]]=e[s];const i=[];return function e(s){if(!s)return;t[s.type]&&i.push(s.id);const n=s.children;if(n)for(var a=0,r=n.length;a<r;a++)e(n[a])}(this),i}getJSON(){var e={id:this.id,type:this.type,name:this.name};return this.parent&&(e.parent=this.parent.id),e}}class dp{constructor(e){this.id=e.id,this.projectId=e.projectId,this.revisionId=e.revisionId,this.author=e.author,this.createdAt=e.createdAt,this.creatingApplication=e.creatingApplication,this.schema=e.schema,this.metaScene=e.metaScene,this.propertySets=[],this.rootMetaObject=null,this.rootMetaObjects=[],this.metaObjects=[],this.graph=e.graph||{},this.metaScene.metaModels[this.id]=this,this.finalized=!1}loadData(e,t={}){if(this.finalized)throw"MetaScene already finalized - can't add more data";this._globalizeIDs(e,t);const s=this.metaScene;if(e.propertySets)for(let t=0,n=e.propertySets.length;t<n;t++){const n=e.propertySets[t];let i=s.propertySets[n.id];i||(i=new pp({id:n.id,originalSystemId:n.originalSystemId||n.id,type:n.type,name:n.name,properties:n.properties}),s.propertySets[i.id]=i),i.metaModels.push(this),this.propertySets.push(i)}if(e.metaObjects)for(let t=0,n=e.metaObjects.length;t<n;t++){const n=e.metaObjects[t],i=n.id;let a=s.metaObjects[i];if(!a){const e=n.type,t=n.originalSystemId,s=n.propertySets||n.propertySetIds;a=new Ap({id:i,originalSystemId:t,parentId:n.parent,type:e,name:n.name,attributes:n.attributes,propertySetIds:s}),this.metaScene.metaObjects[i]=a}a.metaModels.push(this),n.parent||(this.rootMetaObjects.push(a),s.rootMetaObjects[i]=a),this.metaObjects.push(a)}}finalize(){if(this.finalized)throw"MetaScene already finalized - can't re-finalize";const e=this.metaScene;for(let t in e.metaObjects){const s=e.metaObjects[t];if(s.children&&(s.children=[]),s.propertySets&&(s.propertySets=[]),s.propertySetIds)for(let t=0,n=s.propertySetIds.length;t<n;t++){const n=s.propertySetIds[t],i=e.propertySets[n];s.propertySets.push(i)}}for(let t in e.metaObjects){const s=e.metaObjects[t];if(s.parentId){const t=e.metaObjects[s.parentId];t&&(s.parent=t,(t.children||(t.children=[])).push(s))}}e.metaObjectsByType={};for(let t in e.metaObjects){const s=e.metaObjects[t],n=s.type;(e.metaObjectsByType[n]||(e.metaObjectsByType[n]={}))[t]=s}this.finalized=!0,this.metaScene.fire("metaModelCreated",this.id)}getJSON(){const e=[];!function t(s){const n={id:s.id,extId:s.extId,type:s.type,name:s.name};s.parent&&(n.parent=s.parent.id),e.push(n);const i=s.children;if(i)for(let e=0,s=i.length;e<s;e++)t(i[e])}(this.rootMetaObject);return{id:this.id,projectId:this.projectId,revisionId:this.revisionId,metaObjects:e}}_globalizeIDs(e,t){const s=!!t.globalizeObjectIds;if(e.metaObjects)for(let t=0,n=e.metaObjects.length;t<n;t++){const n=e.metaObjects[t];if(n.originalSystemId=n.id,n.originalParentSystemId=n.parent,s&&(n.id=p.globalizeObjectId(this.id,n.id),n.parent=p.globalizeObjectId(this.id,n.parent)),s){const e=n.propertySetIds;if(e){const t=[];for(let s=0,n=e.length;s<n;s++)t.push(p.globalizeObjectId(this.id,e[s]));n.propertySetIds=t,n.originalSystemPropertySetIds=e}}else n.originalSystemPropertySetIds=n.propertySetIds}if(e.propertySets)for(let t=0,n=e.propertySets.length;t<n;t++){const n=e.propertySets[t];n.originalSystemId=n.id,s&&(n.id=p.globalizeObjectId(mothis.id,n.id))}}}class fp{constructor(e,t){this.viewer=e,this.scene=t,this.metaModels={},this.propertySets={},this.metaObjects={},this.metaObjectsByType={},this.rootMetaObjects={},this._eventSubs={}}on(e,t){let s=this._eventSubs[e];s||(s=[],this._eventSubs[e]=s),s.push(t)}fire(e,t){const s=this._eventSubs[e];if(s)for(let e=0,n=s.length;e<n;e++)s[e](t)}off(e){}createMetaModel(e,t,s={}){const n=new dp({metaScene:this,id:e,projectId:t.projectId||"none",revisionId:t.revisionId||"none",author:t.author||"none",createdAt:t.createdAt||"none",creatingApplication:t.creatingApplication||"none",schema:t.schema||"none",propertySets:[]});return n.loadData(t),n.finalize(),n}destroyMetaModel(e){const t=this.metaModels[e];if(t){if(t.propertySets)for(let s=0,n=t.propertySets.length;s<n;s++){const n=t.propertySets[s];if(1===n.metaModels.length)delete this.propertySets[n.id];else{const t=[];for(let s=0,i=n.metaModels.length;s<i;s++)n.metaModels[s].id!==e&&t.push(n.metaModels[s]);n.metaModels=t}}if(t.metaObjects)for(let e=0,s=t.metaObjects.length;e<s;e++){const s=t.metaObjects[e];s.type;const n=s.id;if(1===s.metaModels.length)delete this.metaObjects[n],s.parent||delete this.rootMetaObjects[n];else{const e=[],n=t.id;for(let t=0,i=s.metaModels.length;t<i;t++)s.metaModels[t].id!==n&&e.push(s.metaModels[t]);s.metaModels=e}}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.children&&(t.children=[]),t.propertySets&&(t.propertySets=[]),t.propertySetIds)for(let e=0,s=t.propertySetIds.length;e<s;e++){const s=t.propertySetIds[e],n=this.propertySets[s];t.propertySets.push(n)}}this.metaObjectsByType={};for(let e in this.metaObjects){const t=this.metaObjects[e],s=t.type;t.children&&(t.children=null),(this.metaObjectsByType[s]||(this.metaObjectsByType[s]={}))[e]=t}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.parentId){const e=this.metaObjects[t.parentId];e&&(t.parent=e,(e.children||(e.children=[])).push(t))}}delete this.metaModels[e],this.fire("metaModelDestroyed",e)}}getObjectIDsByType(e){const t=this.metaObjectsByType[e];return t?Object.keys(t):[]}getObjectIDsInSubtree(e,t,s){const n=[],i=this.metaObjects[e],a=t&&t.length>0?Ip(t):null,r=s&&s.length>0?Ip(s):null,l=e=>{if(!e)return;var t=!0;(r&&r[e.type]||a&&!a[e.type])&&(t=!1),t&&n.push(e.id);const s=e.children;if(s)for(var i=0,o=s.length;i<o;i++)l(s[i])};return l(i),n}withMetaObjectsInSubtree(e,t){const s=this.metaObjects[e];s&&s.withMetaObjectsInSubtree(t)}}function Ip(e){const t={};for(var s=0,n=e.length;s<n;s++)t[e[s]]=!0;return t}
 /*!
  * html2canvas 1.4.1 <https://html2canvas.hertzen.com>
  * Copyright (c) 2022 Niklas von Hertzen <https://hertzen.com>
diff --git a/dist/xeokit-sdk.min.es5.js b/dist/xeokit-sdk.min.es5.js
index ede33cfe3..9a58d5471 100644
--- a/dist/xeokit-sdk.min.es5.js
+++ b/dist/xeokit-sdk.min.es5.js
@@ -23,7 +23,7 @@ function Kn(e,t){t.length;for(var n=e.length,r=[],i=[],a=function(n){var a=e[n];
 /**
  * @author https://github.com/tmarti, with support from https://tribia.com/
  * @license MIT
- **/var Cc=null;function _c(e,t){var n,r,i,a,s,o,l=3*e,u=3*t,c=Math.min(n=Cc[l],r=Cc[l+1],i=Cc[l+2]),f=Math.min(a=Cc[u],s=Cc[u+1],o=Cc[u+2]);if(c!==f)return c-f;var p=Math.max(n,r,i),A=Math.max(a,s,o);return p!==A?p-A:0}function Bc(e,t){for(var n=new Int32Array(e.length/3),r=0,i=n.length;r<i;r++)n[r]=r;Cc=new Int32Array(e.length);for(var a=0,s=e.length;a<s;a++)Cc[a]=e[a]>>t;n.sort(_c);for(var o=new Int32Array(e.length),l=0,u=n.length;l<u;l++)o[3*l+0]=e[3*n[l]+0],o[3*l+1]=e[3*n[l]+1],o[3*l+2]=e[3*n[l]+2];return o}var Oc=null;function Sc(e,t){var n=Oc[2*e]-Oc[2*t];return 0!==n?n:Oc[2*e+1]-Oc[2*t+1]}function Nc(e){if(0===(e||[]).length)return[];for(var t=new Int32Array(e.length/2),n=0,r=t.length;n<r;n++)t[n]=n;for(var i=0,a=e.length;i<a;i+=2)if(e[i]>e[i+1]){var s=e[i];e[i]=e[i+1],e[i+1]=s}Oc=new Int32Array(e),t.sort(Sc);for(var o=new Int32Array(e.length),l=0,u=t.length;l<u;l++)o[2*l+0]=e[2*t[l]+0],o[2*l+1]=e[2*t[l]+1];return o}function Lc(e,t){var n={},r={};e.forEach((function(e){for(var t=e.indices,i=e.edgeIndices,a=e.positionsCompressed,s=0,o=t.length;s<o;s+=3){var l=a[3*t[s]]+"_"+a[3*t[s]+1]+"_"+a[3*t[s]+2]+"/"+a[3*t[s+1]]+"_"+a[3*t[s+1]+1]+"_"+a[3*t[s+1]+2]+"/"+a[3*t[s+2]]+"_"+a[3*t[s+2]+1]+"_"+a[3*t[s+2]+2];n[l]=!0}e.edgeIndices.length/2;for(var u=0,c=i.length;u<c;u+=2){var f=a[3*i[u]]+"_"+a[3*i[u]+1]+"_"+a[3*i[u]+2]+"/"+a[3*i[u+1]]+"_"+a[3*i[u+1]+1]+"_"+a[3*i[u+1]+2]+"/";r[f]=!0}}));var i=t.indices;t.edgeIndices;for(var a=t.positionsCompressed,s=0,o=i.length;s<o;s+=3){var l=a[3*i[s]]+"_"+a[3*i[s]+1]+"_"+a[3*i[s]+2]+"/"+a[3*i[s+1]]+"_"+a[3*i[s+1]+1]+"_"+a[3*i[s+1]+2]+"/"+a[3*i[s+2]]+"_"+a[3*i[s+2]+1]+"_"+a[3*i[s+2]+2];if(!(l in n))throw console.log("Not found "+l),"Ohhhh!"}}var xc=Z.vec3(),Mc=Z.vec3(),Fc=Z.vec3(),Hc=Z.vec3(),Uc=Z.vec4(),Gc=Z.mat4(),kc=function(){function e(t,n){b(this,e),this._scene=t,this._withSAO=n,this._hash=this._getHash(),this._allocate()}return P(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){var e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,n){var r=this._scene,i=r.camera,a=t.model,s=r.canvas.gl,o=t._state,l=o.textureState,u=t._state.origin,c=a.position,f=a.rotationMatrix,p=a.rotationMatrixConjugate;if(this._program||(this._allocate(),!this.errors)){var A,d;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,o)),l.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);var v=0!==u[0]||0!==u[1]||0!==u[2],h=0!==c[0]||0!==c[1]||0!==c[2];if(v||h){var I=xc;if(v){var y=Z.transformPoint3(f,u,Mc);I[0]=y[0],I[1]=y[1],I[2]=y[2]}else I[0]=0,I[1]=0,I[2]=0;I[0]+=c[0],I[1]+=c[1],I[2]+=c[2],A=Ie(i.viewMatrix,I,Gc),(d=Fc)[0]=i.eye[0]-I[0],d[1]=i.eye[1]-I[1],d[2]=i.eye[2]-I[2]}else A=i.viewMatrix,d=i.eye;if(s.uniformMatrix4fv(this._uSceneModelWorldMatrix,!1,p),s.uniformMatrix4fv(this._uViewMatrix,!1,A),s.uniformMatrix4fv(this._uProjMatrix,!1,i.projMatrix),s.uniform3fv(this._uCameraEyeRtc,d),s.uniform1i(this._uRenderPass,n),r.logarithmicDepthBufferEnabled){var m=2/(Math.log(e.pickZFar+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,m)}var w=r._sectionPlanesState.sectionPlanes.length;if(w>0)for(var g=r._sectionPlanesState.sectionPlanes,T=t.layerIndex*w,E=a.renderFlags,b=0;b<w;b++){var D=this._uSectionPlanes[b];if(D){var P=E.sectionPlanesActivePerLayer[T+b];if(s.uniform1i(D.active,P?1:0),P){var R=g[b];if(u){var C=ge(R.dist,R.dir,u,Hc);s.uniform3fv(D.pos,C)}else s.uniform3fv(D.pos,R.pos);s.uniform3fv(D.dir,R.dir)}}}o.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),s.drawArrays(s.TRIANGLES,0,o.numIndices8Bits)),o.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),s.drawArrays(s.TRIANGLES,0,o.numIndices16Bits)),o.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),s.drawArrays(s.TRIANGLES,0,o.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl,n=e._lightsState;if(this._program=new pt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var r=this._program;this._uRenderPass=r.getLocation("renderPass"),this._uLightAmbient=r.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];for(var i=n.lights,a=0,s=i.length;a<s;a++)switch(i[a].type){case"dir":this._uLightColor[a]=r.getLocation("lightColor"+a),this._uLightPos[a]=null,this._uLightDir[a]=r.getLocation("lightDir"+a);break;case"point":this._uLightColor[a]=r.getLocation("lightColor"+a),this._uLightPos[a]=r.getLocation("lightPos"+a),this._uLightDir[a]=null,this._uLightAttenuation[a]=r.getLocation("lightAttenuation"+a);break;case"spot":this._uLightColor[a]=r.getLocation("lightColor"+a),this._uLightPos[a]=r.getLocation("lightPos"+a),this._uLightDir[a]=r.getLocation("lightDir"+a),this._uLightAttenuation[a]=r.getLocation("lightAttenuation"+a)}this._uSceneModelWorldMatrix=r.getLocation("sceneModelWorldMatrix"),this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(var o=0,l=e._sectionPlanesState.sectionPlanes.length;o<l;o++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+o),pos:r.getLocation("sectionPlanePos"+o),dir:r.getLocation("sectionPlaneDir"+o)});this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=r.getLocation("uSAOParams")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=r.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(e){var t=this._scene,n=t.canvas.gl,r=this._program,i=t._lightsState.lights,a=t.camera.project;r.bind(),this._uLightAmbient&&n.uniform4fv(this._uLightAmbient,t._lightsState.getAmbientColorAndIntensity());for(var s=0,o=i.length;s<o;s++){var l=i[s];this._uLightColor[s]&&n.uniform4f(this._uLightColor[s],l.color[0],l.color[1],l.color[2],l.intensity),this._uLightPos[s]&&(n.uniform3fv(this._uLightPos[s],l.pos),this._uLightAttenuation[s]&&n.uniform1f(this._uLightAttenuation[s],l.attenuation)),this._uLightDir[s]&&n.uniform3fv(this._uLightDir[s],l.dir)}if(this._withSAO){var u=t.sao;if(u.possible){var c=n.drawingBufferWidth,f=n.drawingBufferHeight;Uc[0]=c,Uc[1]=f,Uc[2]=u.blendCutoff,Uc[3]=u.blendFactor,n.uniform4fv(this._uSAOParams,Uc),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,10)}}if(t.logarithmicDepthBufferEnabled){var p=2/(Math.log(a.far+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,p)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e,t=this._scene,n=t._sectionPlanesState,r=t._lightsState,i=n.sectionPlanes.length>0,a=[];a.push("#version 300 es"),a.push("// TrianglesDataTextureColorRenderer vertex shader"),a.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),a.push("precision highp float;"),a.push("precision highp int;"),a.push("precision highp usampler2D;"),a.push("precision highp isampler2D;"),a.push("precision highp sampler2D;"),a.push("#else"),a.push("precision mediump float;"),a.push("precision mediump int;"),a.push("precision mediump usampler2D;"),a.push("precision mediump isampler2D;"),a.push("precision mediump sampler2D;"),a.push("#endif"),a.push("uniform int renderPass;"),t.entityOffsetsEnabled&&a.push("in vec3 offset;"),a.push("uniform mat4 sceneModelWorldMatrix;"),a.push("uniform mat4 viewMatrix;"),a.push("uniform mat4 projMatrix;"),a.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),a.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),a.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),a.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),a.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),a.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),a.push("uniform highp sampler2D uTextureModelMatrices;"),a.push("uniform vec3 uCameraEyeRtc;"),a.push("vec3 positions[3];"),t.logarithmicDepthBufferEnabled&&(a.push("uniform float logDepthBufFC;"),a.push("out float vFragDepth;"),a.push("out float isPerspective;")),a.push("bool isPerspectiveMatrix(mat4 m) {"),a.push("    return (m[2][3] == - 1.0);"),a.push("}"),a.push("uniform vec4 lightAmbient;");for(var s=0,o=r.lights.length;s<o;s++)"ambient"!==(e=r.lights[s]).type&&(a.push("uniform vec4 lightColor"+s+";"),"dir"===e.type&&a.push("uniform vec3 lightDir"+s+";"),"point"===e.type&&a.push("uniform vec3 lightPos"+s+";"),"spot"===e.type&&(a.push("uniform vec3 lightPos"+s+";"),a.push("uniform vec3 lightDir"+s+";")));i&&(a.push("out vec4 vWorldPosition;"),a.push("flat out uint vFlags2;")),a.push("out vec4 vColor;"),a.push("void main(void) {"),a.push("int polygonIndex = gl_VertexID / 3;"),a.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),a.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),a.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),a.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),a.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),a.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),a.push("if (int(flags.x) != renderPass) {"),a.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),a.push("   return;"),a.push("} else {"),a.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),a.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),a.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),a.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),a.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),a.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),a.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),a.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),a.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),a.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),a.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),a.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),a.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),a.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),a.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),a.push("uvec4 color = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),a.push("if (color.a == 0u) {"),a.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),a.push("   return;"),a.push("};"),a.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),a.push("vec3 position;"),a.push("position = positions[gl_VertexID % 3];"),a.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),a.push("if (solid != 1u) {"),a.push("if (isPerspectiveMatrix(projMatrix)) {"),a.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),a.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),a.push("position = positions[2 - (gl_VertexID % 3)];"),a.push("viewNormal = -viewNormal;"),a.push("}"),a.push("} else {"),a.push("if (viewNormal.z < 0.0) {"),a.push("position = positions[2 - (gl_VertexID % 3)];"),a.push("viewNormal = -viewNormal;"),a.push("}"),a.push("}"),a.push("}"),a.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),a.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),a.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),a.push("vec4 viewPosition = viewMatrix * worldPosition; "),a.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),a.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),a.push("float lambertian = 1.0;");for(var l=0,u=r.lights.length;l<u;l++)if("ambient"!==(e=r.lights[l]).type){if("dir"===e.type)"view"===e.space?a.push("viewLightDir = normalize(lightDir"+l+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+l+", 0.0)).xyz);");else if("point"===e.type)"view"===e.space?a.push("viewLightDir = -normalize(lightPos"+l+" - viewPosition.xyz);"):a.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+l+", 0.0)).xyz);");else{if("spot"!==e.type)continue;"view"===e.space?a.push("viewLightDir = normalize(lightDir"+l+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+l+", 0.0)).xyz);")}a.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),a.push("reflectedColor += lambertian * (lightColor"+l+".rgb * lightColor"+l+".a);")}return a.push("vec3 rgb = vec3(color.rgb) / 255.0;"),a.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),a.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(a.push("vFragDepth = 1.0 + clipPos.w;"),a.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i&&(a.push("vWorldPosition = worldPosition;"),a.push("vFlags2 = flags2.r;")),a.push("gl_Position = clipPos;"),a.push("}"),a.push("}"),a}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,n=t.sectionPlanes.length>0,r=[];if(r.push("#version 300 es"),r.push("// TrianglesDataTextureColorRenderer fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),this._withSAO&&(r.push("uniform sampler2D uOcclusionTexture;"),r.push("uniform vec4      uSAOParams;"),r.push("const float       packUpscale = 256. / 255.;"),r.push("const float       unpackDownScale = 255. / 256.;"),r.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),r.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),r.push("float unpackRGBToFloat( const in vec4 v ) {"),r.push("    return dot( v, unPackFactors );"),r.push("}")),n){r.push("in vec4 vWorldPosition;"),r.push("flat in uint vFlags2;");for(var i=0,a=t.sectionPlanes.length;i<a;i++)r.push("uniform bool sectionPlaneActive"+i+";"),r.push("uniform vec3 sectionPlanePos"+i+";"),r.push("uniform vec3 sectionPlaneDir"+i+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),n){r.push("  bool clippable = vFlags2 > 0u;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var s=0,o=t.sectionPlanes.length;s<o;s++)r.push("if (sectionPlaneActive"+s+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { "),r.push("      discard;"),r.push("  }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(r.push("   float viewportWidth     = uSAOParams[0];"),r.push("   float viewportHeight    = uSAOParams[1];"),r.push("   float blendCutoff       = uSAOParams[2];"),r.push("   float blendFactor       = uSAOParams[3];"),r.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),r.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),r.push("   outColor            = vec4(vColor.rgb * ambient, 1.0);")):r.push("   outColor            = vColor;"),r.push("}"),r}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),jc=new Float32Array([1,1,1]),Vc=Z.vec3(),Qc=Z.vec3(),Wc=Z.vec3(),zc=Z.vec3(),Kc=Z.mat4(),Yc=function(){function e(t,n){b(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return P(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,n){var r=this._scene,i=r.camera,a=t.model,s=r.canvas.gl,o=t._state,l=o.textureState,u=t._state.origin,c=a.position,f=a.rotationMatrix,p=a.rotationMatrixConjugate,A=i.viewMatrix;if(this._program||(this._allocate(),!this.errors)){var d,v;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,o)),l.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets),u||0!==c[0]||0!==c[1]||0!==c[2]){var h=Vc;if(u){var I=Qc;Z.transformPoint3(f,u,I),h[0]=I[0],h[1]=I[1],h[2]=I[2]}else h[0]=0,h[1]=0,h[2]=0;h[0]+=c[0],h[1]+=c[1],h[2]+=c[2],d=Ie(A,h,Kc),(v=Wc)[0]=i.eye[0]-h[0],v[1]=i.eye[1]-h[1],v[2]=i.eye[2]-h[2]}else d=A,v=i.eye;if(s.uniform3fv(this._uCameraEyeRtc,v),s.uniform1i(this._uRenderPass,n),s.uniformMatrix4fv(this._uWorldMatrix,!1,p),s.uniformMatrix4fv(this._uViewMatrix,!1,d),s.uniformMatrix4fv(this._uProjMatrix,!1,i.projMatrix),n===to.SILHOUETTE_XRAYED){var y=r.xrayMaterial._state,m=y.fillColor,w=y.fillAlpha;s.uniform4f(this._uColor,m[0],m[1],m[2],w)}else if(n===to.SILHOUETTE_HIGHLIGHTED){var g=r.highlightMaterial._state,T=g.fillColor,E=g.fillAlpha;s.uniform4f(this._uColor,T[0],T[1],T[2],E)}else if(n===to.SILHOUETTE_SELECTED){var b=r.selectedMaterial._state,D=b.fillColor,P=b.fillAlpha;s.uniform4f(this._uColor,D[0],D[1],D[2],P)}else s.uniform4fv(this._uColor,jc);if(r.logarithmicDepthBufferEnabled){var R=2/(Math.log(e.pickZFar+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,R)}var C=r._sectionPlanesState.sectionPlanes.length;if(C>0)for(var _=r._sectionPlanesState.sectionPlanes,B=t.layerIndex*C,O=a.renderFlags,S=0;S<C;S++){var N=this._uSectionPlanes[S];if(N){var L=O.sectionPlanesActivePerLayer[B+S];if(s.uniform1i(N.active,L?1:0),L){var x=_[S];if(u){var M=ge(x.dist,x.dir,u,zc);s.uniform3fv(N.pos,M)}else s.uniform3fv(N.pos,x.pos);s.uniform3fv(N.dir,x.dir)}}}o.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),s.drawArrays(s.TRIANGLES,0,o.numIndices8Bits)),o.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),s.drawArrays(s.TRIANGLES,0,o.numIndices16Bits)),o.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),s.drawArrays(s.TRIANGLES,0,o.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new pt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var n=this._program;this._uRenderPass=n.getLocation("renderPass"),this._uColor=n.getLocation("color"),this._uWorldMatrix=n.getLocation("worldMatrix"),this._uViewMatrix=n.getLocation("viewMatrix"),this._uProjMatrix=n.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,i=e._sectionPlanesState.sectionPlanes.length;r<i;r++)this._uSectionPlanes.push({active:n.getLocation("sectionPlaneActive"+r),pos:n.getLocation("sectionPlanePos"+r),dir:n.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=n.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=n.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(e){var t=this._scene,n=t.canvas.gl,r=t.camera.project;if(this._program.bind(),t.logarithmicDepthBufferEnabled){var i=2/(Math.log(r.far+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,i)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,n=[];return n.push("#version 300 es"),n.push("// Triangles dataTexture silhouette vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("precision highp usampler2D;"),n.push("precision highp isampler2D;"),n.push("precision highp sampler2D;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("precision mediump usampler2D;"),n.push("precision mediump isampler2D;"),n.push("precision mediump sampler2D;"),n.push("#endif"),n.push("uniform int renderPass;"),e.entityOffsetsEnabled&&n.push("in vec3 offset;"),n.push("uniform mat4 worldMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),n.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),n.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),n.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),n.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),n.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),n.push("uniform highp sampler2D uTextureModelMatrices;"),n.push("uniform vec3 uCameraEyeRtc;"),n.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("out float isPerspective;")),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),t&&(n.push("out vec4 vWorldPosition;"),n.push("flat out uint vFlags2;")),n.push("void main(void) {"),n.push("int polygonIndex = gl_VertexID / 3;"),n.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),n.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),n.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),n.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),n.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),n.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),n.push("if (int(flags.y) != renderPass) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("} else {"),n.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),n.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),n.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),n.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),n.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),n.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),n.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),n.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),n.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),n.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),n.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),n.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),n.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),n.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),n.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),n.push("vec3 position;"),n.push("position = positions[gl_VertexID % 3];"),n.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),n.push("if (solid != 1u) {"),n.push("if (isPerspectiveMatrix(projMatrix)) {"),n.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),n.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),n.push("position = positions[2 - (gl_VertexID % 3)];"),n.push("viewNormal = -viewNormal;"),n.push("}"),n.push("} else {"),n.push("if (viewNormal.z < 0.0) {"),n.push("position = positions[2 - (gl_VertexID % 3)];"),n.push("viewNormal = -viewNormal;"),n.push("}"),n.push("}"),n.push("}"),n.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),n.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),n.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),n.push("vec4 viewPosition = viewMatrix * worldPosition; "),n.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(n.push("vWorldPosition = worldPosition;"),n.push("vFlags2 = flags2.r;")),n.push("gl_Position = clipPos;"),n.push("}"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,n=t.sectionPlanes.length>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles dataTexture draw fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),n){r.push("in vec4 vWorldPosition;"),r.push("flat in uint vFlags2;");for(var i=0,a=t.sectionPlanes.length;i<a;i++)r.push("uniform bool sectionPlaneActive"+i+";"),r.push("uniform vec3 sectionPlanePos"+i+";"),r.push("uniform vec3 sectionPlaneDir"+i+";")}if(r.push("uniform vec4 color;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),n){r.push("  bool clippable = vFlags2 > 0u;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var s=0,o=t.sectionPlanes.length;s<o;s++)r.push("if (sectionPlaneActive"+s+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { "),r.push("      discard;"),r.push("  }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outColor = color;"),r.push("}"),r}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),Xc=new Float32Array([0,0,0,1]),qc=Z.vec3(),Jc=Z.vec3();Z.vec3();var Zc=Z.vec3(),$c=Z.mat4(),ef=function(){function e(t){b(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return P(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,n){var r=t.model,i=r.scene,a=i.camera,s=i.canvas.gl,o=t._state,l=o.textureState,u=t._state.origin,c=r.position,f=r.rotationMatrix,p=r.rotationMatrixConjugate,A=a.viewMatrix;if(this._program||(this._allocate(t),!this.errors)){var d;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);var v=0!==u[0]||0!==u[1]||0!==u[2],h=0!==c[0]||0!==c[1]||0!==c[2];if(v||h){var I=qc;if(v){var y=Jc;Z.transformPoint3(f,u,y),I[0]=y[0],I[1]=y[1],I[2]=y[2]}else I[0]=0,I[1]=0,I[2]=0;I[0]+=c[0],I[1]+=c[1],I[2]+=c[2],d=Ie(A,I,$c)}else d=A;if(s.uniform1i(this._uRenderPass,n),s.uniformMatrix4fv(this._uSceneModelWorldMatrix,!1,p),s.uniformMatrix4fv(this._uViewMatrix,!1,d),s.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix),n===to.EDGES_XRAYED){var m=i.xrayMaterial._state,w=m.edgeColor,g=m.edgeAlpha;s.uniform4f(this._uColor,w[0],w[1],w[2],g)}else if(n===to.EDGES_HIGHLIGHTED){var T=i.highlightMaterial._state,E=T.edgeColor,b=T.edgeAlpha;s.uniform4f(this._uColor,E[0],E[1],E[2],b)}else if(n===to.EDGES_SELECTED){var D=i.selectedMaterial._state,P=D.edgeColor,R=D.edgeAlpha;s.uniform4f(this._uColor,P[0],P[1],P[2],R)}else s.uniform4fv(this._uColor,Xc);var C=i._sectionPlanesState.sectionPlanes.length;if(C>0)for(var _=i._sectionPlanesState.sectionPlanes,B=t.layerIndex*C,O=r.renderFlags,S=0;S<C;S++){var N=this._uSectionPlanes[S];if(N){var L=O.sectionPlanesActivePerLayer[B+S];if(s.uniform1i(N.active,L?1:0),L){var x=_[S];if(u){var M=ge(x.dist,x.dir,u,Zc);s.uniform3fv(N.pos,M)}else s.uniform3fv(N.pos,x.pos);s.uniform3fv(N.dir,x.dir)}}}o.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),s.drawArrays(s.LINES,0,o.numEdgeIndices8Bits)),o.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),s.drawArrays(s.LINES,0,o.numEdgeIndices16Bits)),o.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),s.drawArrays(s.LINES,0,o.numEdgeIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new pt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var n=this._program;this._uRenderPass=n.getLocation("renderPass"),this._uColor=n.getLocation("color"),this._uSceneModelWorldMatrix=n.getLocation("sceneModelWorldMatrix"),this._uWorldMatrix=n.getLocation("worldMatrix"),this._uViewMatrix=n.getLocation("viewMatrix"),this._uProjMatrix=n.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,i=e._sectionPlanesState.sectionPlanes.length;r<i;r++)this._uSectionPlanes.push({active:n.getLocation("sectionPlaneActive"+r),pos:n.getLocation("sectionPlanePos"+r),dir:n.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=n.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets"}}},{key:"_bindProgram",value:function(){var e=this._scene,t=e.canvas.gl,n=this._program,r=e.camera.project;if(n.bind(),e.logarithmicDepthBufferEnabled){var i=2/(Math.log(r.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,i)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,n=[];return n.push("#version 300 es"),n.push("// Batched geometry edges drawing vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("precision highp usampler2D;"),n.push("precision highp isampler2D;"),n.push("precision highp sampler2D;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("precision mediump usampler2D;"),n.push("precision mediump isampler2D;"),n.push("precision mediump sampler2D;"),n.push("#endif"),n.push("uniform int renderPass;"),e.entityOffsetsEnabled&&n.push("in vec3 offset;"),n.push("uniform mat4 sceneModelWorldMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),n.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),n.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),n.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),n.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),n.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),n.push("uniform highp sampler2D uTextureModelMatrices;"),n.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;")),t&&(n.push("out vec4 vWorldPosition;"),n.push("flat out uint vFlags2;")),n.push("out vec4 vColor;"),n.push("void main(void) {"),n.push("int edgeIndex = gl_VertexID / 2;"),n.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),n.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),n.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),n.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),n.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),n.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),n.push("if (int(flags.z) != renderPass) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("} else {"),n.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),n.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),n.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),n.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),n.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),n.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),n.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),n.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),n.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),n.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),n.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),n.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),n.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),n.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),n.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),n.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),n.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),n.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(n.push("  vWorldPosition = worldPosition;"),n.push("  vFlags2 = flags2.r;")),n.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),n.push("gl_Position = clipPos;"),n.push("vColor = vec4(color.r, color.g, color.b, color.a);"),n.push("}"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,n=t.sectionPlanes.length>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry edges drawing fragment shader"),e.logarithmicDepthBufferEnabled&&r.push("#extension GL_EXT_frag_depth : enable"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),n){r.push("in vec4 vWorldPosition;"),r.push("flat in uint vFlags2;");for(var i=0,a=t.sectionPlanes.length;i<a;i++)r.push("uniform bool sectionPlaneActive"+i+";"),r.push("uniform vec3 sectionPlanePos"+i+";"),r.push("uniform vec3 sectionPlaneDir"+i+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),n){r.push("  bool clippable = vFlags2 > 0u;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var s=0,o=t.sectionPlanes.length;s<o;s++)r.push("if (sectionPlaneActive"+s+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("   outColor            = vColor;"),r.push("}"),r}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),tf=Z.vec3(),nf=Z.vec3(),rf=Z.vec3(),af=Z.mat4(),sf=function(){function e(t){b(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return P(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,n){var r=t.model,i=r.scene,a=i.camera,s=i.canvas.gl,o=t._state,l=o.textureState,u=t._state.origin,c=r.position,f=r.rotationMatrix,p=r.rotationMatrixConjugate,A=a.viewMatrix;if(this._program||(this._allocate(t),!this.errors)){var d;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);var v=0!==u[0]||0!==u[1]||0!==u[2],h=0!==c[0]||0!==c[1]||0!==c[2];if(v||h){var I=tf;if(v){var y=nf;Z.transformPoint3(f,u,y),I[0]=y[0],I[1]=y[1],I[2]=y[2]}else I[0]=0,I[1]=0,I[2]=0;I[0]+=c[0],I[1]+=c[1],I[2]+=c[2],d=Ie(A,I,af)}else d=A;s.uniform1i(this._uRenderPass,n),s.uniformMatrix4fv(this._uSceneModelWorldMatrix,!1,p),s.uniformMatrix4fv(this._uViewMatrix,!1,d),s.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix);var m=i._sectionPlanesState.sectionPlanes.length;if(m>0)for(var w=i._sectionPlanesState.sectionPlanes,g=t.layerIndex*m,T=r.renderFlags,E=0;E<m;E++){var b=this._uSectionPlanes[E];if(b){var D=T.sectionPlanesActivePerLayer[g+E];if(s.uniform1i(b.active,D?1:0),D){var P=w[E];if(u){var R=ge(P.dist,P.dir,u,rf);s.uniform3fv(b.pos,R)}else s.uniform3fv(b.pos,P.pos);s.uniform3fv(b.dir,P.dir)}}}o.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),s.drawArrays(s.LINES,0,o.numEdgeIndices8Bits)),o.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),s.drawArrays(s.LINES,0,o.numEdgeIndices16Bits)),o.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),s.drawArrays(s.LINES,0,o.numEdgeIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new pt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var n=this._program;this._uRenderPass=n.getLocation("renderPass"),this._uSceneModelWorldMatrix=n.getLocation("sceneModelWorldMatrix"),this._uWorldMatrix=n.getLocation("worldMatrix"),this._uViewMatrix=n.getLocation("viewMatrix"),this._uProjMatrix=n.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,i=e._sectionPlanesState.sectionPlanes.length;r<i;r++)this._uSectionPlanes.push({active:n.getLocation("sectionPlaneActive"+r),pos:n.getLocation("sectionPlanePos"+r),dir:n.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=n.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets"}}},{key:"_bindProgram",value:function(){var e=this._scene,t=e.canvas.gl,n=this._program,r=e.camera.project;if(n.bind(),e.logarithmicDepthBufferEnabled){var i=2/(Math.log(r.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,i)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,n=[];return n.push("#version 300 es"),n.push("// Batched geometry edges drawing vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("precision highp usampler2D;"),n.push("precision highp isampler2D;"),n.push("precision highp sampler2D;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("precision mediump usampler2D;"),n.push("precision mediump isampler2D;"),n.push("precision mediump sampler2D;"),n.push("#endif"),n.push("uniform int renderPass;"),e.entityOffsetsEnabled&&n.push("in vec3 offset;"),n.push("uniform mat4 sceneModelWorldMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),n.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),n.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),n.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),n.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),n.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),n.push("uniform highp sampler2D uTextureModelMatrices;"),e.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;")),t&&(n.push("out vec4 vWorldPosition;"),n.push("flat out uint vFlags2;")),n.push("out vec4 vColor;"),n.push("void main(void) {"),n.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),n.push("int edgeIndex = gl_VertexID / 2;"),n.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),n.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),n.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),n.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),n.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),n.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),n.push("if (int(flags.z) != renderPass) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("} else {"),n.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),n.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),n.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),n.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),n.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),n.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),n.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),n.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),n.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),n.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),n.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),n.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),n.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),n.push("uvec4 color = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),n.push("if (color.a == 0u) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("};"),n.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),n.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),n.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),n.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(n.push("  vWorldPosition = worldPosition;"),n.push("  vFlags2 = flags2.r;")),n.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),n.push("gl_Position = clipPos;"),n.push("vec4 rgb = vec4(color.rgba);"),n.push("vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),n.push("}"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,n=t.sectionPlanes.length>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry edges drawing fragment shader"),e.logarithmicDepthBufferEnabled&&r.push("#extension GL_EXT_frag_depth : enable"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),n){r.push("in vec4 vWorldPosition;"),r.push("flat in uint vFlags2;");for(var i=0,a=t.sectionPlanes.length;i<a;i++)r.push("uniform bool sectionPlaneActive"+i+";"),r.push("uniform vec3 sectionPlanePos"+i+";"),r.push("uniform vec3 sectionPlaneDir"+i+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),n){r.push("  bool clippable = vFlags2 > 0u;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var s=0,o=t.sectionPlanes.length;s<o;s++)r.push("if (sectionPlaneActive"+s+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("   outColor            = vColor;"),r.push("}"),r}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),of=Z.vec3(),lf=Z.vec3(),uf=Z.vec3(),cf=Z.mat4(),ff=function(){function e(t){b(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return P(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,n){if(this._program||(this._allocate(t),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e));var r,i,a=t.model,s=a.scene,o=s.camera,l=s.canvas.gl,u=t._state,c=u.textureState,f=t._state.origin,p=a.position,A=a.rotationMatrix,d=a.rotationMatrixConjugate;c.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);var v=0!==f[0]||0!==f[1]||0!==f[2],h=0!==p[0]||0!==p[1]||0!==p[2];if(v||h){var I=of;if(v){var y=Z.transformPoint3(A,f,lf);I[0]=y[0],I[1]=y[1],I[2]=y[2]}else I[0]=0,I[1]=0,I[2]=0;I[0]+=p[0],I[1]+=p[1],I[2]+=p[2],r=Ie(o.viewMatrix,I,cf),(i=uf)[0]=o.eye[0]-I[0],i[1]=o.eye[1]-I[1],i[2]=o.eye[2]-I[2]}else r=o.viewMatrix,i=o.eye;if(l.uniformMatrix4fv(this._uSceneModelWorldMatrix,!1,d),l.uniformMatrix4fv(this._uViewMatrix,!1,r),l.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),l.uniform3fv(this._uCameraEyeRtc,i),l.uniform1i(this._uRenderPass,n),s.logarithmicDepthBufferEnabled){var m=2/(Math.log(o.project.far+1)/Math.LN2);l.uniform1f(this._uLogDepthBufFC,m)}var w=s._sectionPlanesState.sectionPlanes.length;if(w>0)for(var g=s._sectionPlanesState.sectionPlanes,T=t.layerIndex*w,E=a.renderFlags,b=0;b<w;b++){var D=this._uSectionPlanes[b];if(D){var P=E.sectionPlanesActivePerLayer[T+b];if(l.uniform1i(D.active,P?1:0),P){var R=g[b];if(f){var C=ge(R.dist,R.dir,f,of);l.uniform3fv(D.pos,C)}else l.uniform3fv(D.pos,R.pos);l.uniform3fv(D.dir,R.dir)}}}u.numIndices8Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),l.drawArrays(l.TRIANGLES,0,u.numIndices8Bits)),u.numIndices16Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),l.drawArrays(l.TRIANGLES,0,u.numIndices16Bits)),u.numIndices32Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),l.drawArrays(l.TRIANGLES,0,u.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new pt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var n=this._program;this._uRenderPass=n.getLocation("renderPass"),this._uPickInvisible=n.getLocation("pickInvisible"),this._uSceneModelWorldMatrix=n.getLocation("sceneModelWorldMatrix"),this._uViewMatrix=n.getLocation("viewMatrix"),this._uProjMatrix=n.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,i=e._sectionPlanesState.sectionPlanes.length;r<i;r++)this._uSectionPlanes.push({active:n.getLocation("sectionPlaneActive"+r),pos:n.getLocation("sectionPlanePos"+r),dir:n.getLocation("sectionPlaneDir"+r)});this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=n.getLocation("uSAOParams")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=n.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=n.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(e){var t=this._scene.canvas.gl;this._program.bind(),t.uniform1i(this._uPickInvisible,e.pickInvisible)}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,n=[];return n.push("#version 300 es"),n.push("// Batched geometry picking vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("precision highp usampler2D;"),n.push("precision highp isampler2D;"),n.push("precision highp sampler2D;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("precision mediump usampler2D;"),n.push("precision mediump isampler2D;"),n.push("precision mediump sampler2D;"),n.push("#endif"),n.push("uniform int renderPass;"),e.entityOffsetsEnabled&&n.push("in vec3 offset;"),n.push("uniform mat4 sceneModelWorldMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform bool pickInvisible;"),n.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),n.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),n.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),n.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),n.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),n.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),n.push("uniform highp sampler2D uTextureModelMatrices;"),n.push("uniform vec3 uCameraEyeRtc;"),n.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("out float isPerspective;")),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),t&&(n.push("smooth out vec4 vWorldPosition;"),n.push("flat out uvec4 vFlags2;")),n.push("out vec4 vPickColor;"),n.push("void main(void) {"),n.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),n.push("int polygonIndex = gl_VertexID / 3;"),n.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),n.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),n.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),n.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),n.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),n.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),n.push("if (int(flags.w) != renderPass) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("} else {"),n.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),n.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),n.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),n.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),n.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),n.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),n.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),n.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),n.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),n.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),n.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),n.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),n.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),n.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),n.push("uvec4 color = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),n.push("if (color.a == 0u) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("};"),n.push("vPickColor = vec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0)) / 255.0;"),n.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),n.push("vec3 position;"),n.push("position = positions[gl_VertexID % 3];"),n.push("if (solid != 1u) {"),n.push("if (isPerspectiveMatrix(projMatrix)) {"),n.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),n.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),n.push("position = positions[2 - (gl_VertexID % 3)];"),n.push("}"),n.push("} else {"),n.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),n.push("if (viewNormal.z < 0.0) {"),n.push("position = positions[2 - (gl_VertexID % 3)];"),n.push("}"),n.push("}"),n.push("}"),n.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),n.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),n.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),n.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(n.push("      vWorldPosition = worldPosition;"),n.push("      vFlags2 = flags2;")),n.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),n.push("gl_Position = clipPos;"),n.push("  }"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,n=t.sectionPlanes.length>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry picking fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),n){r.push("in vec4 vWorldPosition;"),r.push("flat in uvec4 vFlags2;");for(var i=0;i<t.sectionPlanes.length;i++)r.push("uniform bool sectionPlaneActive"+i+";"),r.push("uniform vec3 sectionPlanePos"+i+";"),r.push("uniform vec3 sectionPlaneDir"+i+";")}if(r.push("in vec4 vPickColor;"),r.push("out vec4 outPickColor;"),r.push("void main(void) {"),n){r.push("  bool clippable = (float(vFlags2.x) > 0.0);"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(i=0;i<t.sectionPlanes.length;i++)r.push("      if (sectionPlaneActive"+i+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("   outPickColor = vPickColor; "),r.push("}"),r}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),pf=Z.vec3(),Af=Z.vec3(),df=Z.vec3(),vf=Z.vec3(),hf=Z.mat4(),If=function(){function e(t){b(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return P(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,n){var r,i,a=t.model,s=a.scene,o=s.camera,l=s.canvas.gl,u=t._state,c=u.textureState,f=t._state.origin,p=a.position,A=a.rotationMatrix,d=a.rotationMatrixConjugate,v=e.pickViewMatrix||o.viewMatrix;if(this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),c.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets),o.eye,f||0!==p[0]||0!==p[1]||0!==p[2]){var h=pf;if(f){var I=Af;Z.transformPoint3(A,f,I),h[0]=I[0],h[1]=I[1],h[2]=I[2]}else h[0]=0,h[1]=0,h[2]=0;h[0]+=p[0],h[1]+=p[1],h[2]+=p[2],r=Ie(v,h,hf),(i=df)[0]=o.eye[0]-h[0],i[1]=o.eye[1]-h[1],i[2]=o.eye[2]-h[2],e.snapPickOrigin[0]=h[0],e.snapPickOrigin[1]=h[1],e.snapPickOrigin[2]=h[2]}else r=v,i=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;if(l.uniform3fv(this._uCameraEyeRtc,i),l.uniform1i(this._uRenderPass,n),l.uniform1i(this._uPickInvisible,e.pickInvisible),l.uniform1f(this._uPickZNear,e.pickZNear),l.uniform1f(this._uPickZFar,e.pickZFar),l.uniformMatrix4fv(this._uWorldMatrix,!1,d),l.uniformMatrix4fv(this._uViewMatrix,!1,r),l.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),s.logarithmicDepthBufferEnabled){var y=2/(Math.log(e.pickZFar+1)/Math.LN2);l.uniform1f(this._uLogDepthBufFC,y)}var m=s._sectionPlanesState.sectionPlanes.length;if(m>0)for(var w=s._sectionPlanesState.sectionPlanes,g=t.layerIndex*m,T=a.renderFlags,E=0;E<m;E++){var b=this._uSectionPlanes[E];if(b){var D=T.sectionPlanesActivePerLayer[g+E];if(l.uniform1i(b.active,D?1:0),D){var P=w[E];if(f){var R=ge(P.dist,P.dir,f,vf);l.uniform3fv(b.pos,R)}else l.uniform3fv(b.pos,P.pos);l.uniform3fv(b.dir,P.dir)}}}u.numIndices8Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),l.drawArrays(l.TRIANGLES,0,u.numIndices8Bits)),u.numIndices16Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),l.drawArrays(l.TRIANGLES,0,u.numIndices16Bits)),u.numIndices32Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),l.drawArrays(l.TRIANGLES,0,u.numIndices32Bits)),e.drawElements++}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new pt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var n=this._program;this._uRenderPass=n.getLocation("renderPass"),this._uPickInvisible=n.getLocation("pickInvisible"),this._uWorldMatrix=n.getLocation("worldMatrix"),this._uViewMatrix=n.getLocation("viewMatrix"),this._uProjMatrix=n.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,i=e._sectionPlanesState.sectionPlanes.length;r<i;r++)this._uSectionPlanes.push({active:n.getLocation("sectionPlaneActive"+r),pos:n.getLocation("sectionPlanePos"+r),dir:n.getLocation("sectionPlaneDir"+r)});this._uPickZNear=n.getLocation("pickZNear"),this._uPickZFar=n.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=n.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureCameraMatrices="uTextureCameraMatrices",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=n.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,n=[];return n.push("#version 300 es"),n.push("// Triangles dataTexture pick depth vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("precision highp usampler2D;"),n.push("precision highp isampler2D;"),n.push("precision highp sampler2D;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("precision mediump usampler2D;"),n.push("precision mediump isampler2D;"),n.push("precision mediump sampler2D;"),n.push("#endif"),n.push("uniform int renderPass;"),e.entityOffsetsEnabled&&n.push("in vec3 offset;"),n.push("uniform mat4 worldMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform bool pickInvisible;"),n.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),n.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),n.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),n.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),n.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),n.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),n.push("uniform highp sampler2D uTextureModelMatrices;"),n.push("uniform vec3 uCameraEyeRtc;"),n.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("out float isPerspective;")),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),t&&(n.push("out vec4 vWorldPosition;"),n.push("flat out uint vFlags2;")),n.push("out vec4 vViewPosition;"),n.push("void main(void) {"),n.push("int polygonIndex = gl_VertexID / 3;"),n.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),n.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),n.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),n.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),n.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),n.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),n.push("if (int(flags.w) != renderPass) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("} else {"),n.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),n.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),n.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),n.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),n.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),n.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),n.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),n.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),n.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),n.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),n.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),n.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),n.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),n.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),n.push("uvec4 color = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),n.push("if (color.a == 0u) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("};"),n.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),n.push("vec3 position;"),n.push("position = positions[gl_VertexID % 3];"),n.push("if (solid != 1u) {"),n.push("if (isPerspectiveMatrix(projMatrix)) {"),n.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),n.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),n.push("position = positions[2 - (gl_VertexID % 3)];"),n.push("}"),n.push("} else {"),n.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),n.push("if (viewNormal.z < 0.0) {"),n.push("position = positions[2 - (gl_VertexID % 3)];"),n.push("}"),n.push("}"),n.push("}"),n.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),n.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),n.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),n.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(n.push("      vWorldPosition = worldPosition;"),n.push("      vFlags2 = flags2.r;")),n.push("vViewPosition = viewPosition;"),n.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),n.push("gl_Position = clipPos;"),n.push("  }"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,n=t.sectionPlanes.length>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles dataTexture pick depth fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("uniform float pickZNear;"),r.push("uniform float pickZFar;"),n){r.push("in vec4 vWorldPosition;"),r.push("flat in uint vFlags2;");for(var i=0;i<t.sectionPlanes.length;i++)r.push("uniform bool sectionPlaneActive"+i+";"),r.push("uniform vec3 sectionPlanePos"+i+";"),r.push("uniform vec3 sectionPlaneDir"+i+";")}if(r.push("in vec4 vViewPosition;"),r.push("vec4 packDepth(const in float depth) {"),r.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),r.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),r.push("  vec4 res = fract(depth * bitShift);"),r.push("  res -= res.xxyz * bitMask;"),r.push("  return res;"),r.push("}"),r.push("out vec4 outPackedDepth;"),r.push("void main(void) {"),n){r.push("  bool clippable = vFlags2 > 0u;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(i=0;i<t.sectionPlanes.length;i++)r.push("      if (sectionPlaneActive"+i+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),r.push("    outPackedDepth = packDepth(zNormalizedDepth); "),r.push("}"),r}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),yf=Z.vec3(),mf=Z.vec3(),wf=Z.vec3(),gf=Z.vec3(),Tf=Z.vec3(),Ef=Z.mat4(),bf=function(){function e(t){b(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return P(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,n){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r,i,a=t.model,s=a.scene,o=s.camera,l=s.canvas.gl,u=t._state,c=u.textureState,f=t._state.origin,p=a.position,A=a.rotationMatrix,d=a.rotationMatrixConjugate,v=t.aabb,h=e.pickViewMatrix||o.viewMatrix,I=yf;I[0]=Z.safeInv(v[3]-v[0])*Z.MAX_INT,I[1]=Z.safeInv(v[4]-v[1])*Z.MAX_INT,I[2]=Z.safeInv(v[5]-v[2])*Z.MAX_INT,e.snapPickCoordinateScale[0]=Z.safeInv(I[0]),e.snapPickCoordinateScale[1]=Z.safeInv(I[1]),e.snapPickCoordinateScale[2]=Z.safeInv(I[2]),c.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);var y=0!==f[0]||0!==f[1]||0!==f[2],m=0!==p[0]||0!==p[1]||0!==p[2];if(y||m){var w=mf;if(y){var g=Z.transformPoint3(A,f,wf);w[0]=g[0],w[1]=g[1],w[2]=g[2]}else w[0]=0,w[1]=0,w[2]=0;w[0]+=p[0],w[1]+=p[1],w[2]+=p[2],r=Ie(h,w,Ef),(i=gf)[0]=o.eye[0]-w[0],i[1]=o.eye[1]-w[1],i[2]=o.eye[2]-w[2],e.snapPickOrigin[0]=w[0],e.snapPickOrigin[1]=w[1],e.snapPickOrigin[2]=w[2]}else r=h,i=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;if(l.uniform3fv(this._uCameraEyeRtc,i),l.uniform2fv(this.uVectorA,e.snapVectorA),l.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),l.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),l.uniform3fv(this._uCoordinateScaler,I),l.uniform1i(this._uRenderPass,n),l.uniform1i(this._uPickInvisible,e.pickInvisible),l.uniformMatrix4fv(this._uSceneModelWorldMatrix,!1,d),l.uniformMatrix4fv(this._uViewMatrix,!1,r),l.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),s.logarithmicDepthBufferEnabled){var T=2/(Math.log(e.pickZFar+1)/Math.LN2);l.uniform1f(this._uLogDepthBufFC,T)}var E=s._sectionPlanesState.sectionPlanes.length;if(E>0)for(var b=s._sectionPlanesState.sectionPlanes,D=t.layerIndex*E,P=a.renderFlags,R=0;R<E;R++){var C=this._uSectionPlanes[R];if(C){var _=P.sectionPlanesActivePerLayer[D+R];if(l.uniform1i(C.active,_?1:0),_){var B=b[R];if(f){var O=ge(B.dist,B.dir,f,Tf);l.uniform3fv(C.pos,O)}else l.uniform3fv(C.pos,B.pos);l.uniform3fv(C.dir,B.dir)}}}var S="edge"===e.snapMode?l.LINES:l.POINTS;u.numEdgeIndices8Bits>0&&(c.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),l.drawArrays(S,0,u.numEdgeIndices8Bits)),u.numEdgeIndices16Bits>0&&(c.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),l.drawArrays(S,0,u.numEdgeIndices16Bits)),u.numEdgeIndices32Bits>0&&(c.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),l.drawArrays(S,0,u.numEdgeIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new pt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var n=this._program;this._uRenderPass=n.getLocation("renderPass"),this._uPickInvisible=n.getLocation("pickInvisible"),this._uSceneModelWorldMatrix=n.getLocation("sceneModelWorldMatrix"),this._uViewMatrix=n.getLocation("viewMatrix"),this._uProjMatrix=n.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,i=e._sectionPlanesState.sectionPlanes.length;r<i;r++)this._uSectionPlanes.push({active:n.getLocation("sectionPlaneActive"+r),pos:n.getLocation("sectionPlanePos"+r),dir:n.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=n.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=n.getLocation("uCameraEyeRtc"),this.uVectorA=n.getLocation("uSnapVectorA"),this.uInverseVectorAB=n.getLocation("uSnapInvVectorAB"),this._uLayerNumber=n.getLocation("uLayerNumber"),this._uCoordinateScaler=n.getLocation("uCoordinateScaler")}}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,n=[];return n.push("#version 300 es"),n.push("// Batched geometry edges drawing vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("precision highp usampler2D;"),n.push("precision highp isampler2D;"),n.push("precision highp sampler2D;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("precision mediump usampler2D;"),n.push("precision mediump isampler2D;"),n.push("precision mediump sampler2D;"),n.push("#endif"),n.push("uniform int renderPass;"),e.entityOffsetsEnabled&&n.push("in vec3 offset;"),n.push("uniform mat4 sceneModelWorldMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),n.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),n.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),n.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),n.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),n.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),n.push("uniform highp sampler2D uTextureModelMatrices;"),n.push("uniform vec3 uCameraEyeRtc;"),n.push("uniform vec2 uSnapVectorA;"),n.push("uniform vec2 uSnapInvVectorAB;"),n.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;")),n.push("vec2 remapClipPos(vec2 clipPos) {"),n.push("    float x = (clipPos.x - uSnapVectorA.x) * uSnapInvVectorAB.x;"),n.push("    float y = (clipPos.y - uSnapVectorA.y) * uSnapInvVectorAB.y;"),n.push("    return vec2(x, y);"),n.push("}"),t&&(n.push("out vec4 vWorldPosition;"),n.push("flat out uint vFlags2;")),n.push("out vec4 vViewPosition;"),n.push("out highp vec3 relativeToOriginPosition;"),n.push("void main(void) {"),n.push("int edgeIndex = gl_VertexID / 2;"),n.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),n.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),n.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),n.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),n.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),n.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),n.push("{"),n.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),n.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),n.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),n.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),n.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),n.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),n.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),n.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),n.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),n.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),n.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),n.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),n.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),n.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),n.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),n.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),n.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),n.push("relativeToOriginPosition = worldPosition.xyz;"),n.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(n.push("  vWorldPosition = worldPosition;"),n.push("  vFlags2 = flags2.r;")),n.push("vViewPosition = viewPosition;"),n.push("vec4 clipPos = projMatrix * viewPosition;"),n.push("float tmp = clipPos.w;"),n.push("clipPos.xyzw /= tmp;"),n.push("clipPos.xy = remapClipPos(clipPos.xy);"),n.push("clipPos.xyzw *= tmp;"),n.push("vViewPosition = clipPos;"),e.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),n.push("gl_Position = clipPos;"),n.push("gl_PointSize = 1.0;"),n.push("  }"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,n=t.sectionPlanes.length>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles dataTexture pick depth fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("uniform int uLayerNumber;"),r.push("uniform vec3 uCoordinateScaler;"),n){r.push("in vec4 vWorldPosition;"),r.push("flat in uint vFlags2;");for(var i=0,a=t.sectionPlanes.length;i<a;i++)r.push("uniform bool sectionPlaneActive"+i+";"),r.push("uniform vec3 sectionPlanePos"+i+";"),r.push("uniform vec3 sectionPlaneDir"+i+";")}if(r.push("in highp vec3 relativeToOriginPosition;"),r.push("out highp ivec4 outCoords;"),r.push("void main(void) {"),n){r.push("  bool clippable = vFlags2 > 0u;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var s=0;s<t.sectionPlanes.length;s++)r.push("      if (sectionPlaneActive"+s+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, uLayerNumber);"),r.push("}"),r}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),Df=Z.vec3(),Pf=Z.vec3(),Rf=Z.vec3(),Cf=Z.vec3(),_f=Z.vec3(),Bf=Z.mat4(),Of=function(){function e(t){b(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return P(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,n){this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r,i,a=t.model,s=a.scene,o=s.camera,l=s.canvas.gl,u=t._state,c=u.textureState,f=t._state.origin,p=a.position,A=a.rotationMatrix,d=a.rotationMatrixConjugate,v=t.aabb,h=e.pickViewMatrix||o.viewMatrix,I=Df;I[0]=Z.safeInv(v[3]-v[0])*Z.MAX_INT,I[1]=Z.safeInv(v[4]-v[1])*Z.MAX_INT,I[2]=Z.safeInv(v[5]-v[2])*Z.MAX_INT,e.snapPickCoordinateScale[0]=Z.safeInv(I[0]),e.snapPickCoordinateScale[1]=Z.safeInv(I[1]),e.snapPickCoordinateScale[2]=Z.safeInv(I[2]),c.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);var y=0!==f[0]||0!==f[1]||0!==f[2],m=0!==p[0]||0!==p[1]||0!==p[2];if(y||m){var w=Pf;if(y){var g=Rf;Z.transformPoint3(A,f,g),w[0]=g[0],w[1]=g[1],w[2]=g[2]}else w[0]=0,w[1]=0,w[2]=0;w[0]+=p[0],w[1]+=p[1],w[2]+=p[2],r=Ie(h,w,Bf),(i=Cf)[0]=o.eye[0]-w[0],i[1]=o.eye[1]-w[1],i[2]=o.eye[2]-w[2],e.snapPickOrigin[0]=w[0],e.snapPickOrigin[1]=w[1],e.snapPickOrigin[2]=w[2]}else r=h,i=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;if(l.uniform3fv(this._uCameraEyeRtc,i),l.uniform2fv(this._uVectorA,e.snapVectorA),l.uniform2fv(this._uInverseVectorAB,e.snapInvVectorAB),l.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),l.uniform3fv(this._uCoordinateScaler,I),l.uniform1i(this._uRenderPass,n),l.uniform1i(this._uPickInvisible,e.pickInvisible),l.uniformMatrix4fv(this._uSceneWorldModelMatrix,!1,d),l.uniformMatrix4fv(this._uViewMatrix,!1,r),l.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),s.logarithmicDepthBufferEnabled){var T=2/(Math.log(e.pickZFar+1)/Math.LN2);l.uniform1f(this._uLogDepthBufFC,T)}var E=s._sectionPlanesState.sectionPlanes.length;if(E>0)for(var b=s._sectionPlanesState.sectionPlanes,D=t.layerIndex*E,P=a.renderFlags,R=0;R<E;R++){var C=this._uSectionPlanes[R];if(C){var _=P.sectionPlanesActivePerLayer[D+R];if(l.uniform1i(C.active,_?1:0),_){var B=b[R];if(f){var O=ge(B.dist,B.dir,f,_f);l.uniform3fv(C.pos,O)}else l.uniform3fv(C.pos,B.pos);l.uniform3fv(C.dir,B.dir)}}}u.numIndices8Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),l.drawArrays(l.TRIANGLES,0,u.numIndices8Bits)),u.numIndices16Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),l.drawArrays(l.TRIANGLES,0,u.numIndices16Bits)),u.numIndices32Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),l.drawArrays(l.TRIANGLES,0,u.numIndices32Bits)),e.drawElements++}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new pt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var n=this._program;this._uRenderPass=n.getLocation("renderPass"),this._uPickInvisible=n.getLocation("pickInvisible"),this._uSceneWorldModelMatrix=n.getLocation("sceneModelWorldMatrix"),this._uViewMatrix=n.getLocation("viewMatrix"),this._uProjMatrix=n.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,i=e._sectionPlanesState.sectionPlanes.length;r<i;r++)this._uSectionPlanes.push({active:n.getLocation("sectionPlaneActive"+r),pos:n.getLocation("sectionPlanePos"+r),dir:n.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=n.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=n.getLocation("uCameraEyeRtc"),this._uVectorA=n.getLocation("uVectorAB"),this._uInverseVectorAB=n.getLocation("uInverseVectorAB"),this._uLayerNumber=n.getLocation("uLayerNumber"),this._uCoordinateScaler=n.getLocation("uCoordinateScaler")}}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,n=[];return n.push("#version 300 es"),n.push("// TrianglesDataTextureSnapDepthBufInitRenderer vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("precision highp usampler2D;"),n.push("precision highp isampler2D;"),n.push("precision highp sampler2D;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("precision mediump usampler2D;"),n.push("precision mediump isampler2D;"),n.push("precision mediump sampler2D;"),n.push("#endif"),n.push("uniform int renderPass;"),e.entityOffsetsEnabled&&n.push("in vec3 offset;"),n.push("uniform mat4 sceneModelWorldMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),n.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),n.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),n.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),n.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),n.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),n.push("uniform highp sampler2D uTextureModelMatrices;"),n.push("uniform vec3 uCameraEyeRtc;"),n.push("uniform vec2 uVectorAB;"),n.push("uniform vec2 uInverseVectorAB;"),n.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("out float isPerspective;")),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("vec2 remapClipPos(vec2 clipPos) {"),n.push("    float x = (clipPos.x - uVectorAB.x) * uInverseVectorAB.x;"),n.push("    float y = (clipPos.y - uVectorAB.y) * uInverseVectorAB.y;"),n.push("    return vec2(x, y);"),n.push("}"),t&&(n.push("out vec4 vWorldPosition;"),n.push("flat out uint vFlags2;")),n.push("out highp vec3 relativeToOriginPosition;"),n.push("void main(void) {"),n.push("int polygonIndex = gl_VertexID / 3;"),n.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),n.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),n.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),n.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),n.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),n.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),n.push("{"),n.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),n.push("uvec4 color = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),n.push("if (color.a == 0u) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("};"),n.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),n.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),n.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),n.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),n.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),n.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),n.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),n.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),n.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),n.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),n.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),n.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),n.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),n.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),n.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),n.push("vec3 position;"),n.push("position = positions[gl_VertexID % 3];"),n.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),n.push("if (solid != 1u) {"),n.push("  if (isPerspectiveMatrix(projMatrix)) {"),n.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),n.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),n.push("          position = positions[2 - (gl_VertexID % 3)];"),n.push("          viewNormal = -viewNormal;"),n.push("      }"),n.push("  } else {"),n.push("      if (viewNormal.z < 0.0) {"),n.push("          position = positions[2 - (gl_VertexID % 3)];"),n.push("          viewNormal = -viewNormal;"),n.push("      }"),n.push("  }"),n.push("}"),n.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),n.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),n.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),n.push("relativeToOriginPosition = worldPosition.xyz;"),n.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(n.push("vWorldPosition = worldPosition;"),n.push("vFlags2 = flags2.r;")),n.push("vec4 clipPos = projMatrix * viewPosition;"),n.push("float tmp = clipPos.w;"),n.push("clipPos.xyzw /= tmp;"),n.push("clipPos.xy = remapClipPos(clipPos.xy);"),n.push("clipPos.z += 0.0001;"),n.push("clipPos.xyzw *= tmp;"),e.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),n.push("gl_Position = clipPos;"),n.push("  }"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,n=t.sectionPlanes.length>0,r=[];if(r.push("#version 300 es"),r.push("// TrianglesDataTextureSnapDepthBufInitRenderer fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("uniform int uLayerNumber;"),r.push("uniform vec3 uCoordinateScaler;"),n){r.push("in vec4 vWorldPosition;"),r.push("flat in uint vFlags2;");for(var i=0,a=t.sectionPlanes.length;i<a;i++)r.push("uniform bool sectionPlaneActive"+i+";"),r.push("uniform vec3 sectionPlanePos"+i+";"),r.push("uniform vec3 sectionPlaneDir"+i+";")}if(r.push("in highp vec3 relativeToOriginPosition;"),r.push("out highp ivec4 outCoords;"),r.push("void main(void) {"),n){r.push("  bool clippable = vFlags2 > 0u;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var s=0;s<t.sectionPlanes.length;s++)r.push("      if (sectionPlaneActive"+s+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, - uLayerNumber);"),r.push("}"),r}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),Sf=Z.vec3(),Nf=function(){function e(t){b(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return P(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,n){var r=t.model,i=r.scene,a=i.camera,s=i.canvas.gl,o=t._state,l=o.textureState,u=t._state.origin;this._program||this._allocate(t),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureCameraMatrices,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);var c=a.eye;e.pickViewMatrix&&(l.bindPickCameraTexture(this._program,this._uTextureCameraMatrices),c=e.pickOrigin||c);var f=[c[0]-u[0],c[1]-u[1],c[2]-u[2]];if(s.uniform3fv(this._uCameraEyeRtc,f),s.uniform1i(this._uRenderPass,n),s.uniform3fv(this._uCameraEyeRtc,f),s.uniform1i(this._uPickInvisible,e.pickInvisible),i.logarithmicDepthBufferEnabled){var p=2/(Math.log(a.project.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,p)}var A=i._sectionPlanesState.sectionPlanes.length;if(A>0)for(var d=i._sectionPlanesState.sectionPlanes,v=t.layerIndex*A,h=r.renderFlags,I=0;I<A;I++){var y=this._uSectionPlanes[I];if(y){var m=h.sectionPlanesActivePerLayer[v+I];if(s.uniform1i(y.active,m?1:0),m){var w=d[I];if(u){var g=ge(w.dist,w.dir,u,Sf);s.uniform3fv(y.pos,g)}else s.uniform3fv(y.pos,w.pos);s.uniform3fv(y.dir,w.dir)}}}o.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),s.drawArrays(s.TRIANGLES,0,o.numIndices8Bits)),o.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),s.drawArrays(s.TRIANGLES,0,o.numIndices16Bits)),o.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),s.drawArrays(s.TRIANGLES,0,o.numIndices32Bits)),e.drawElements++}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new pt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var n=this._program;this._uRenderPass=n.getLocation("renderPass"),this._uPickInvisible=n.getLocation("pickInvisible"),this._uSectionPlanes=[];for(var r=0,i=e._sectionPlanesState.sectionPlanes.length;r<i;r++)this._uSectionPlanes.push({active:n.getLocation("sectionPlaneActive"+r),pos:n.getLocation("sectionPlanePos"+r),dir:n.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=n.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureCameraMatrices="uTextureCameraMatrices",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=n.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,n=[];return n.push("#version 300 es"),n.push("// Triangles dataTexture pick normals vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("precision highp usampler2D;"),n.push("precision highp isampler2D;"),n.push("precision highp sampler2D;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("precision mediump usampler2D;"),n.push("precision mediump isampler2D;"),n.push("precision mediump sampler2D;"),n.push("#endif"),n.push("uniform int renderPass;"),e.entityOffsetsEnabled&&n.push("in vec3 offset;"),n.push("uniform bool pickInvisible;"),n.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),n.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),n.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),n.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),n.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),n.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),n.push("uniform highp sampler2D uTextureCameraMatrices;"),n.push("uniform highp sampler2D uTextureModelMatrices;"),n.push("uniform vec3 uCameraEyeRtc;"),n.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("out float isPerspective;")),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),t&&(n.push("out vec4 vWorldPosition;"),n.push("flat out uint vFlags2;")),n.push("out vec3 vWorldNormal;"),n.push("void main(void) {"),n.push("mat4 viewMatrix = mat4 (texelFetch (uTextureCameraMatrices, ivec2(0, 0), 0), texelFetch (uTextureCameraMatrices, ivec2(1, 0), 0), texelFetch (uTextureCameraMatrices, ivec2(2, 0), 0), texelFetch (uTextureCameraMatrices, ivec2(3, 0), 0));"),n.push("mat4 projMatrix = mat4 (texelFetch (uTextureCameraMatrices, ivec2(0, 2), 0), texelFetch (uTextureCameraMatrices, ivec2(1, 2), 0), texelFetch (uTextureCameraMatrices, ivec2(2, 2), 0), texelFetch (uTextureCameraMatrices, ivec2(3, 2), 0));"),n.push("mat4 worldMatrix = mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),n.push("int polygonIndex = gl_VertexID / 3;"),n.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),n.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),n.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),n.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),n.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),n.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),n.push("if (int(flags.w) != renderPass) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("} else {"),n.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),n.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),n.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),n.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),n.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),n.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),n.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),n.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),n.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),n.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),n.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),n.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),n.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),n.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),n.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),n.push("vec3 position;"),n.push("position = positions[gl_VertexID % 3];"),n.push("if (solid != 1u) {"),n.push("if (isPerspectiveMatrix(projMatrix)) {"),n.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),n.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),n.push("position = positions[2 - (gl_VertexID % 3)];"),n.push("normal = -normal;"),n.push("}"),n.push("} else {"),n.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),n.push("if (viewNormal.z < 0.0) {"),n.push("position = positions[2 - (gl_VertexID % 3)];"),n.push("normal = -normal;"),n.push("}"),n.push("}"),n.push("}"),n.push("normal = -normal;"),n.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),n.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),n.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),n.push("vec4 viewPosition = viewMatrix * worldPosition; "),n.push("vWorldNormal = normal.xyz;"),n.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(n.push("      vWorldPosition = worldPosition;"),n.push("      vFlags2 = flags2.w;")),n.push("gl_Position = clipPos;"),n.push("}"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,n=t.sectionPlanes.length>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles dataTexture pick normals fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),n){r.push("in vec4 vWorldPosition;"),r.push("flat in uint vFlags2;");for(var i=0;i<t.sectionPlanes.length;i++)r.push("uniform bool sectionPlaneActive"+i+";"),r.push("uniform vec3 sectionPlanePos"+i+";"),r.push("uniform vec3 sectionPlaneDir"+i+";")}if(r.push("in vec3 vWorldNormal;"),r.push("out vec4 outNormal;"),r.push("void main(void) {"),n){r.push("  bool clippable = vFlags2 > 0u;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(i=0;i<t.sectionPlanes.length;i++)r.push("      if (sectionPlaneActive"+i+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outNormal = vec4((vWorldNormal * 0.5) + 0.5, 1.0);"),r.push("}"),r}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}();Z.vec3(),Z.vec3(),Z.vec3(),Z.vec3(),Z.mat4();var Lf=function(){function e(t){b(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return P(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,n){}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new pt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var n=this._program;this._uRenderPass=n.getLocation("renderPass"),this._uPositionsDecodeMatrix=n.getLocation("positionsDecodeMatrix"),this._uWorldMatrix=n.getLocation("worldMatrix"),this._uViewMatrix=n.getLocation("viewMatrix"),this._uProjMatrix=n.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,i=e._sectionPlanesState.sectionPlanes.length;r<i;r++)this._uSectionPlanes.push({active:n.getLocation("sectionPlaneActive"+r),pos:n.getLocation("sectionPlanePos"+r),dir:n.getLocation("sectionPlaneDir"+r)});this._aPosition=n.getAttribute("position"),this._aOffset=n.getAttribute("offset"),this._aColor=n.getAttribute("color"),this._aFlags=n.getAttribute("flags"),this._aFlags2=n.getAttribute("flags2"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=n.getLocation("logDepthBufFC"))}}},{key:"_bindProgram",value:function(){var e=this._scene,t=e.canvas.gl,n=e.camera.project;if(this._program.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,n.matrix),e.logarithmicDepthBufferEnabled){var r=2/(Math.log(n.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,r)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,n=[];return n.push("// TrianglesDataTextureColorRenderer vertex shader"),e.logarithmicDepthBufferEnabled&&$e.SUPPORTED_EXTENSIONS.EXT_frag_depth&&n.push("#extension GL_EXT_frag_depth : enable"),n.push("uniform int renderPass;"),n.push("attribute vec3 position;"),e.entityOffsetsEnabled&&n.push("attribute vec3 offset;"),n.push("attribute vec4 color;"),n.push("attribute vec4 flags;"),n.push("attribute vec4 flags2;"),n.push("uniform mat4 worldMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform mat4 positionsDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),$e.SUPPORTED_EXTENSIONS.EXT_frag_depth&&n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;")),t&&(n.push("out vec4 vWorldPosition;"),n.push("out vec4 vFlags2;")),n.push("void main(void) {"),n.push("if (int(flags.x) != renderPass) {"),n.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),n.push("  } else {"),n.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&n.push("      worldPosition.xyz = worldPosition.xyz + offset;"),n.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(n.push("      vWorldPosition = worldPosition;"),n.push("      vFlags2 = flags2;")),n.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&($e.SUPPORTED_EXTENSIONS.EXT_frag_depth?n.push("vFragDepth = 1.0 + clipPos.w;"):(n.push("clipPos.z = log2( max( 1e-6, clipPos.w + 1.0 ) ) * logDepthBufFC - 1.0;"),n.push("clipPos.z *= clipPos.w;")),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),n.push("gl_Position = clipPos;"),n.push("  }"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,n=t.sectionPlanes.length>0,r=[];if(r.push("// TrianglesDataTextureColorRenderer fragment shader"),e.logarithmicDepthBufferEnabled&&$e.SUPPORTED_EXTENSIONS.EXT_frag_depth&&r.push("#extension GL_EXT_frag_depth : enable"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&$e.SUPPORTED_EXTENSIONS.EXT_frag_depth&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),n){r.push("in vec4 vWorldPosition;"),r.push("in vec4 vFlags2;");for(var i=0;i<t.sectionPlanes.length;i++)r.push("uniform bool sectionPlaneActive"+i+";"),r.push("uniform vec3 sectionPlanePos"+i+";"),r.push("uniform vec3 sectionPlaneDir"+i+";")}if(r.push("void main(void) {"),n){r.push("  bool clippable = (float(vFlags2.x) > 0.0);"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var a=0;a<t.sectionPlanes.length;a++)r.push("      if (sectionPlaneActive"+a+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+a+".xyz, vWorldPosition.xyz - sectionPlanePos"+a+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&$e.SUPPORTED_EXTENSIONS.EXT_frag_depth&&r.push("    gl_FragDepthEXT = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("   gl_FragColor = vec4(0.0, 0.0, 1.0, 1.0); "),r.push("}"),r}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),xf=Z.vec3(),Mf=Z.vec3(),Ff=Z.vec3(),Hf=Z.vec3(),Uf=Z.mat4(),Gf=function(){function e(t){b(this,e),this._scene=t,this._allocate(),this._hash=this._getHash()}return P(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,n){var r=this._scene,i=r.camera,a=t.model,s=r.canvas.gl,o=t._state,l=o.textureState,u=t._state.origin,c=a.position,f=a.rotationMatrix,p=a.rotationMatrixConjugate;if(this._program||(this._allocate(),!this.errors)){var A,d;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,o)),l.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);var v=0!==u[0]||0!==u[1]||0!==u[2],h=0!==c[0]||0!==c[1]||0!==c[2];if(v||h){var I=xf;if(v){var y=Z.transformPoint3(f,u,Mf);I[0]=y[0],I[1]=y[1],I[2]=y[2]}else I[0]=0,I[1]=0,I[2]=0;I[0]+=c[0],I[1]+=c[1],I[2]+=c[2],A=Ie(i.viewMatrix,I,Uf),(d=Ff)[0]=i.eye[0]-I[0],d[1]=i.eye[1]-I[1],d[2]=i.eye[2]-I[2]}else A=i.viewMatrix,d=i.eye;if(s.uniformMatrix4fv(this._uSceneModelWorldMatrix,!1,p),s.uniformMatrix4fv(this._uViewMatrix,!1,A),s.uniformMatrix4fv(this._uProjMatrix,!1,i.projMatrix),s.uniform3fv(this._uCameraEyeRtc,d),s.uniform1i(this._uRenderPass,n),r.logarithmicDepthBufferEnabled){var m=2/(Math.log(e.pickZFar+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,m)}var w=r._sectionPlanesState.sectionPlanes.length;if(w>0)for(var g=r._sectionPlanesState.sectionPlanes,T=t.layerIndex*w,E=a.renderFlags,b=0;b<w;b++){var D=this._uSectionPlanes[b];if(D){var P=E.sectionPlanesActivePerLayer[T+b];if(s.uniform1i(D.active,P?1:0),P){var R=g[b];if(u){var C=ge(R.dist,R.dir,u,Hf);s.uniform3fv(D.pos,C)}else s.uniform3fv(D.pos,R.pos);s.uniform3fv(D.dir,R.dir)}}}o.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),s.drawArrays(s.TRIANGLES,0,o.numIndices8Bits)),o.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),s.drawArrays(s.TRIANGLES,0,o.numIndices16Bits)),o.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),s.drawArrays(s.TRIANGLES,0,o.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new pt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var n=this._program;this._uRenderPass=n.getLocation("renderPass"),this._uPositionsDecodeMatrix=n.getLocation("positionsDecodeMatrix"),this._uSceneModelWorldMatrix=n.getLocation("sceneModelWorldMatrix"),this._uWorldMatrix=n.getLocation("worldMatrix"),this._uViewMatrix=n.getLocation("viewMatrix"),this._uProjMatrix=n.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,i=e._sectionPlanesState.sectionPlanes.length;r<i;r++)this._uSectionPlanes.push({active:n.getLocation("sectionPlaneActive"+r),pos:n.getLocation("sectionPlanePos"+r),dir:n.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=n.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=n.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(e){var t=this._scene,n=t.canvas.gl,r=this._program,i=t.camera.project;if(r.bind(),n.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),t.logarithmicDepthBufferEnabled){var a=2/(Math.log(i.far+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,a)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState;e._lightsState;var n=t.sectionPlanes.length>0,r=[];return r.push("#version 300 es"),r.push("// Triangles dataTexture draw vertex shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("precision highp usampler2D;"),r.push("precision highp isampler2D;"),r.push("precision highp sampler2D;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("precision mediump usampler2D;"),r.push("precision mediump isampler2D;"),r.push("precision mediump sampler2D;"),r.push("#endif"),r.push("uniform int renderPass;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("uniform mat4 sceneModelWorldMatrix;"),r.push("uniform mat4 viewMatrix;"),r.push("uniform mat4 projMatrix;"),r.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),r.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),r.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),r.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),r.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),r.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),r.push("uniform highp sampler2D uTextureModelMatrices;"),r.push("uniform vec3 uCameraEyeRtc;"),r.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;"),r.push("out float isPerspective;")),r.push("bool isPerspectiveMatrix(mat4 m) {"),r.push("    return (m[2][3] == - 1.0);"),r.push("}"),r.push("out highp vec2 vHighPrecisionZW;"),n&&(r.push("out vec4 vWorldPosition;"),r.push("flat out uint vFlags2;")),r.push("void main(void) {"),r.push("int polygonIndex = gl_VertexID / 3;"),r.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),r.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),r.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),r.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),r.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),r.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),r.push("if (int(flags.x) != renderPass) {"),r.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),r.push("   return;"),r.push("} else {"),r.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),r.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),r.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),r.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),r.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),r.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),r.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),r.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),r.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),r.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),r.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),r.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),r.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),r.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),r.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),r.push("uvec4 color = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),r.push("if (color.a == 0u) {"),r.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),r.push("   return;"),r.push("};"),r.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),r.push("vec3 position;"),r.push("position = positions[gl_VertexID % 3];"),r.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),r.push("if (solid != 1u) {"),r.push("if (isPerspectiveMatrix(projMatrix)) {"),r.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),r.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),r.push("position = positions[2 - (gl_VertexID % 3)];"),r.push("viewNormal = -viewNormal;"),r.push("}"),r.push("} else {"),r.push("if (viewNormal.z < 0.0) {"),r.push("position = positions[2 - (gl_VertexID % 3)];"),r.push("viewNormal = -viewNormal;"),r.push("}"),r.push("}"),r.push("}"),r.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),r.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),r.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),r.push("vec4 viewPosition = viewMatrix * worldPosition; "),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),n&&(r.push("vWorldPosition = worldPosition;"),r.push("vFlags2 = flags2.r;")),r.push("gl_Position = clipPos;"),r.push("vHighPrecisionZW = gl_Position.zw;"),r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,n=t.sectionPlanes.length>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles dataTexture draw fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),r.push("in highp vec2 vHighPrecisionZW;"),r.push("out vec4 outColor;"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),n){r.push("in vec4 vWorldPosition;"),r.push("flat in uint vFlags2;");for(var i=0,a=t.sectionPlanes.length;i<a;i++)r.push("uniform bool sectionPlaneActive"+i+";"),r.push("uniform vec3 sectionPlanePos"+i+";"),r.push("uniform vec3 sectionPlaneDir"+i+";")}if(r.push("void main(void) {"),n){r.push("  bool clippable = vFlags2 > 0u;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var s=0,o=t.sectionPlanes.length;s<o;s++)r.push("if (sectionPlaneActive"+s+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { "),r.push("      discard;"),r.push("  }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),r.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),r.push("}"),r}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),kf=Z.vec3(),jf=Z.vec3(),Vf=Z.vec3(),Qf=Z.vec3(),Wf=Z.mat4(),zf=function(){function e(t){b(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return P(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,n){var r=t.model,i=r.scene,a=i.camera,s=i.canvas.gl,o=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,f=r.rotationMatrixConjugate,p=a.viewMatrix;if(this._program||(this._allocate(t),!this.errors)){var A,d;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(t));var v=0!==l[0]||0!==l[1]||0!==l[2],h=0!==u[0]||0!==u[1]||0!==u[2];if(v||h){var I=kf;if(v){var y=jf;Z.transformPoint3(c,l,y),I[0]=y[0],I[1]=y[1],I[2]=y[2]}else I[0]=0,I[1]=0,I[2]=0;I[0]+=u[0],I[1]+=u[1],I[2]+=u[2],A=Ie(p,I,Wf),(d=Vf)[0]=a.eye[0]-I[0],d[1]=a.eye[1]-I[1],d[2]=a.eye[2]-I[2]}else A=p,d=a.eye;s.uniform1i(this._uRenderPass,n),s.uniformMatrix4fv(this._uWorldMatrix,!1,f),s.uniformMatrix4fv(this._uViewMatrix,!1,A),s.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix),s.uniformMatrix4fv(this._uViewNormalMatrix,!1,a.viewNormalMatrix),s.uniformMatrix4fv(this._uWorldNormalMatrix,!1,r.worldNormalMatrix);var m=i._sectionPlanesState.sectionPlanes.length;if(m>0)for(var w=i._sectionPlanesState.sectionPlanes,g=t.layerIndex*m,T=r.renderFlags,E=0;E<m;E++){var b=this._uSectionPlanes[E];if(b){var D=T.sectionPlanesActivePerLayer[g+E];if(s.uniform1i(b.active,D?1:0),D){var P=w[E];if(l){var R=ge(P.dist,P.dir,l,Qf);s.uniform3fv(b.pos,R)}else s.uniform3fv(b.pos,P.pos);s.uniform3fv(b.dir,P.dir)}}}s.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,t._state.positionsDecodeMatrix),this._aPosition.bindArrayBuffer(o.positionsBuf),this._aOffset.bindArrayBuffer(o.offsetsBuf),this._aNormal.bindArrayBuffer(o.normalsBuf),this._aColor.bindArrayBuffer(o.colorsBuf),this._aFlags.bindArrayBuffer(o.flagsBuf),this._aFlags2&&this._aFlags2.bindArrayBuffer(o.flags2Buf),o.indicesBuf.bind(),s.drawElements(s.TRIANGLES,o.indicesBuf.numItems,o.indicesBuf.itemType,0)}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new pt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var n=this._program;this._uRenderPass=n.getLocation("renderPass"),this._uPositionsDecodeMatrix=n.getLocation("positionsDecodeMatrix"),this._uWorldMatrix=n.getLocation("worldMatrix"),this._uWorldNormalMatrix=n.getLocation("worldNormalMatrix"),this._uViewMatrix=n.getLocation("viewMatrix"),this._uViewNormalMatrix=n.getLocation("viewNormalMatrix"),this._uProjMatrix=n.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,i=e._sectionPlanesState.sectionPlanes.length;r<i;r++)this._uSectionPlanes.push({active:n.getLocation("sectionPlaneActive"+r),pos:n.getLocation("sectionPlanePos"+r),dir:n.getLocation("sectionPlaneDir"+r)});this._aPosition=n.getAttribute("position"),this._aOffset=n.getAttribute("offset"),this._aNormal=n.getAttribute("normal"),this._aColor=n.getAttribute("color"),this._aFlags=n.getAttribute("flags"),this._aFlags2&&(this._aFlags2=n.getAttribute("flags2")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=n.getLocation("logDepthBufFC"))}}},{key:"_bindProgram",value:function(){var e=this._scene,t=e.canvas.gl,n=e.camera.project;if(this._program.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,n.matrix),e.logarithmicDepthBufferEnabled){var r=2/(Math.log(n.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,r)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,n=[];return n.push("// Batched geometry normals vertex shader"),e.logarithmicDepthBufferEnabled&&$e.SUPPORTED_EXTENSIONS.EXT_frag_depth&&n.push("#extension GL_EXT_frag_depth : enable"),n.push("uniform int renderPass;"),n.push("attribute vec3 position;"),e.entityOffsetsEnabled&&n.push("attribute vec3 offset;"),n.push("attribute vec3 normal;"),n.push("attribute vec4 color;"),n.push("attribute vec4 flags;"),n.push("attribute vec4 flags2;"),n.push("uniform mat4 worldMatrix;"),n.push("uniform mat4 worldNormalMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform mat4 viewNormalMatrix;"),n.push("uniform mat4 positionsDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),$e.SUPPORTED_EXTENSIONS.EXT_frag_depth&&n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("varying float isPerspective;")),n.push("vec3 octDecode(vec2 oct) {"),n.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),n.push("    if (v.z < 0.0) {"),n.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),n.push("    }"),n.push("    return normalize(v);"),n.push("}"),t&&(n.push("out vec4 vWorldPosition;"),n.push("out vec4 vFlags2;")),n.push("out vec3 vViewNormal;"),n.push("void main(void) {"),n.push("if (int(flags.x) != renderPass) {"),n.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),n.push("  } else {"),n.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&n.push("      worldPosition.xyz = worldPosition.xyz + offset;"),n.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),n.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),n.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(n.push("      vWorldPosition  = worldPosition;"),n.push("      vFlags2         = flags2;")),n.push("      vViewNormal = viewNormal;"),n.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&($e.SUPPORTED_EXTENSIONS.EXT_frag_depth?n.push("vFragDepth = 1.0 + clipPos.w;"):(n.push("clipPos.z = log2( max( 1e-6, clipPos.w + 1.0 ) ) * logDepthBufFC - 1.0;"),n.push("clipPos.z *= clipPos.w;")),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),n.push("gl_Position = clipPos;"),n.push("  }"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,n=t.sectionPlanes.length>0,r=[];if(r.push("// Batched geometry normals fragment shader"),e.logarithmicDepthBufferEnabled&&$e.SUPPORTED_EXTENSIONS.EXT_frag_depth&&r.push("#extension GL_EXT_frag_depth : enable"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&$e.SUPPORTED_EXTENSIONS.EXT_frag_depth&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),n){r.push("in vec4 vWorldPosition;"),r.push("in vec4 vFlags2;");for(var i=0;i<t.sectionPlanes.length;i++)r.push("uniform bool sectionPlaneActive"+i+";"),r.push("uniform vec3 sectionPlanePos"+i+";"),r.push("uniform vec3 sectionPlaneDir"+i+";")}if(r.push("in vec3 vViewNormal;"),r.push("vec3 packNormalToRGB( const in vec3 normal ) {"),r.push("    return normalize( normal ) * 0.5 + 0.5;"),r.push("}"),r.push("void main(void) {"),n){r.push("  bool clippable = (float(vFlags2.x) > 0.0);"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var a=0;a<t.sectionPlanes.length;a++)r.push("      if (sectionPlaneActive"+a+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+a+".xyz, vWorldPosition.xyz - sectionPlanePos"+a+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&$e.SUPPORTED_EXTENSIONS.EXT_frag_depth&&r.push("    gl_FragDepthEXT = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    gl_FragColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),r.push("}"),r}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),Kf=Z.vec3(),Yf=function(){function e(t){b(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return P(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,n){var r=t.model,i=r.scene,a=i.camera,s=i.canvas.gl,o=t._state,l=t._state.origin;this._program||this._allocate(t),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),this._program.bindTexture(this._uTexturePerObjectIdPositionsDecodeMatrix,{bind:function(e){return s.activeTexture(s["TEXTURE"+e]),s.bindTexture(s.TEXTURE_2D,o.texturePerObjectIdPositionsDecodeMatrix),!0},unbind:function(e){s.activeTexture(s["TEXTURE"+e]),s.bindTexture(s.TEXTURE_2D,null)}},1),this._program.bindTexture(this._uTexturePerVertexIdCoordinates,{bind:function(e){return s.activeTexture(s["TEXTURE"+e]),s.bindTexture(s.TEXTURE_2D,o.texturePerVertexIdCoordinates),!0},unbind:function(e){s.activeTexture(s["TEXTURE"+e]),s.bindTexture(s.TEXTURE_2D,null)}},2),this._program.bindTexture(this._uTexturePerObjectIdColorsAndFlags,{bind:function(e){return s.activeTexture(s["TEXTURE"+e]),s.bindTexture(s.TEXTURE_2D,o.texturePerObjectIdColorsAndFlags),!0},unbind:function(e){s.activeTexture(s["TEXTURE"+e]),s.bindTexture(s.TEXTURE_2D,null)}},3),s.uniform1i(this._uRenderPass,n),s.uniform1i(this._uPickInvisible,e.pickInvisible),s.uniformMatrix4fv(this._uWorldMatrix,!1,r.worldMatrix);var u=e.pickViewMatrix||a.viewMatrix,c=l?Ie(u,l):u;if(s.uniformMatrix4fv(this._uViewMatrix,!1,c),s.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),i.logarithmicDepthBufferEnabled){var f=2/(Math.log(a.project.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,f)}var p=i._sectionPlanesState.sectionPlanes.length;if(p>0)for(var A=i._sectionPlanesState.sectionPlanes,d=t.layerIndex*p,v=r.renderFlags,h=0;h<p;h++){var I=this._uSectionPlanes[h],y=v.sectionPlanesActivePerLayer[d+h];if(s.uniform1i(I.active,y?1:0),y){var m=A[h];if(l){var w=ge(m.dist,m.dir,l,Kf);s.uniform3fv(I.pos,w)}else s.uniform3fv(I.pos,m.pos);s.uniform3fv(I.dir,m.dir)}}o.numIndices8Bits>0&&(this._program.bindTexture(this._uTexturePerPolygonIdPortionIds,{bind:function(e){return s.activeTexture(s["TEXTURE"+e]),s.bindTexture(s.TEXTURE_2D,o.texturePerPolygonIdPortionIds8Bits),!0},unbind:function(e){s.activeTexture(s["TEXTURE"+e]),s.bindTexture(s.TEXTURE_2D,null)}},4),this._program.bindTexture(this._uTexturePerPolygonIdIndices,{bind:function(e){return s.activeTexture(s["TEXTURE"+e]),s.bindTexture(s.TEXTURE_2D,o.texturePerPolygonIdIndices8Bits),!0},unbind:function(e){s.activeTexture(s["TEXTURE"+e]),s.bindTexture(s.TEXTURE_2D,null)}},5),s.drawArrays(s.TRIANGLES,0,o.numIndices8Bits)),o.numIndices16Bits>0&&(this._program.bindTexture(this._uTexturePerPolygonIdPortionIds,{bind:function(e){return s.activeTexture(s["TEXTURE"+e]),s.bindTexture(s.TEXTURE_2D,o.texturePerPolygonIdPortionIds16Bits),!0},unbind:function(e){s.activeTexture(s["TEXTURE"+e]),s.bindTexture(s.TEXTURE_2D,null)}},4),this._program.bindTexture(this._uTexturePerPolygonIdIndices,{bind:function(e){return s.activeTexture(s["TEXTURE"+e]),s.bindTexture(s.TEXTURE_2D,o.texturePerPolygonIdIndices16Bits),!0},unbind:function(e){s.activeTexture(s["TEXTURE"+e]),s.bindTexture(s.TEXTURE_2D,null)}},5),s.drawArrays(s.TRIANGLES,0,o.numIndices16Bits)),o.numIndices32Bits>0&&(this._program.bindTexture(this._uTexturePerPolygonIdPortionIds,{bind:function(e){return s.activeTexture(s["TEXTURE"+e]),s.bindTexture(s.TEXTURE_2D,o.texturePerPolygonIdPortionIds32Bits),!0},unbind:function(e){s.activeTexture(s["TEXTURE"+e]),s.bindTexture(s.TEXTURE_2D,null)}},4),this._program.bindTexture(this._uTexturePerPolygonIdIndices,{bind:function(e){return s.activeTexture(s["TEXTURE"+e]),s.bindTexture(s.TEXTURE_2D,o.texturePerPolygonIdIndices32Bits),!0},unbind:function(e){s.activeTexture(s["TEXTURE"+e]),s.bindTexture(s.TEXTURE_2D,null)}},5),s.drawArrays(s.TRIANGLES,0,o.numIndices32Bits)),e.drawElements++}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new pt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var n=this._program;this._uRenderPass=n.getLocation("renderPass"),this._uPickInvisible=n.getLocation("pickInvisible"),this._uPositionsDecodeMatrix=n.getLocation("positionsDecodeMatrix"),this._uWorldMatrix=n.getLocation("worldMatrix"),this._uViewMatrix=n.getLocation("viewMatrix"),this._uProjMatrix=n.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,i=e._sectionPlanesState.sectionPlanes.length;r<i;r++)this._uSectionPlanes.push({active:n.getLocation("sectionPlaneActive"+r),pos:n.getLocation("sectionPlanePos"+r),dir:n.getLocation("sectionPlaneDir"+r)});this._aPackedVertexId=n.getAttribute("packedVertexId"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=n.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds"}}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,n=[];return n.push("#version 300 es"),n.push("// Triangles dataTexture pick flat normals vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("precision highp usampler2D;"),n.push("precision highp isampler2D;"),n.push("precision highp sampler2D;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("precision mediump usampler2D;"),n.push("precision mediump isampler2D;"),n.push("precision mediump sampler2D;"),n.push("#endif"),n.push("uniform int renderPass;"),n.push("in uvec3 packedVertexId;"),e.entityOffsetsEnabled&&n.push("in vec3 offset;"),n.push("uniform bool pickInvisible;"),n.push("uniform mat4 worldMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),n.push("uniform usampler2D uTexturePerObjectIdColorsAndFlags;"),n.push("uniform usampler2D uTexturePerVertexIdCoordinates;"),n.push("uniform usampler2D uTexturePerPolygonIdIndices;"),n.push("uniform isampler2D uTexturePerPolygonIdNormals;"),n.push("uniform usampler2D uTexturePerPolygonIdPortionIds;"),e.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;")),n.push("out vec4 vWorldPosition;"),t&&n.push("out int vFlags2;"),n.push("void main(void) {"),n.push("int polygonIndex = gl_VertexID / 3;"),n.push("int h_normal_index = polygonIndex & 4095;"),n.push("int v_normal_index = polygonIndex >> 12;"),n.push("int h_packed_object_id_index = ((polygonIndex >> 3) / 2) & 4095;"),n.push("int v_packed_object_id_index = ((polygonIndex >> 3) / 2) >> 12;"),n.push("ivec3 packedObjectId = ivec3(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).rgb);"),n.push("int objectIndex;"),n.push("if (((polygonIndex >> 3) % 2) == 0) {"),n.push("  objectIndex = (packedObjectId.r << 4) + (packedObjectId.g >> 4);"),n.push("} else {"),n.push("  objectIndex = ((packedObjectId.g & 15) << 8) + packedObjectId.b;"),n.push("}"),n.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),n.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),n.push("int h_index = polygonIndex & 4095;"),n.push("int v_index = polygonIndex >> 12;"),n.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),n.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),n.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),n.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),n.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),n.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),n.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),n.push("vec3 position1 = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),n.push("vec3 position2 = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),n.push("vec3 position3 = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),n.push("vec3 normal = normalize(cross(position3 - position1, position2 - position1));"),n.push("int vertexNumber = gl_VertexID % 3;"),n.push("vec3 position;"),n.push("if (vertexNumber == 0) position = position1;"),n.push("else if (vertexNumber == 1) position = position2;"),n.push("else position = position3;"),n.push("if (int(flags.w) != renderPass) {"),n.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),n.push("  } else {"),n.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&n.push("      worldPosition.xyz = worldPosition.xyz + offset;"),n.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),n.push("      vWorldPosition = worldPosition;"),t&&n.push("      vFlags2 = flags2.r;"),n.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),n.push("gl_Position = clipPos;"),n.push("  }"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,n=t.sectionPlanes.length>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles dataTexture pick flat normals fragment shader"),r.push("#extension GL_OES_standard_derivatives : enable"),e.logarithmicDepthBufferEnabled&&r.push("#extension GL_EXT_frag_depth : enable"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("in vec4 vWorldPosition;"),n){r.push("in int vFlags2;");for(var i=0;i<t.sectionPlanes.length;i++)r.push("uniform bool sectionPlaneActive"+i+";"),r.push("uniform vec3 sectionPlanePos"+i+";"),r.push("uniform vec3 sectionPlaneDir"+i+";")}if(r.push("out vec4 outNormal;"),r.push("void main(void) {"),n){r.push("  bool clippable = vFlags2 > 0;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(i=0;i<t.sectionPlanes.length;i++)r.push("      if (sectionPlaneActive"+i+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),r.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),r.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),r.push("  outNormal = vec4((worldNormal * 0.5) + 0.5, 1.0);"),r.push("}"),r}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),Xf=function(){function e(t){b(this,e),this._scene=t}return P(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorQualityRendererWithSAO&&!this._colorQualityRendererWithSAO.getValid()&&(this._colorQualityRendererWithSAO.destroy(),this._colorQualityRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._vertexDepthRenderer&&!this._vertexDepthRenderer.getValid()&&(this._vertexDepthRenderer.destroy(),this._vertexDepthRenderer=null),this._snapDepthBufInitRenderer&&!this._snapDepthBufInitRenderer.getValid()&&(this._snapDepthBufInitRenderer.destroy(),this._snapDepthBufInitRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null)}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new kc(this._scene,!1)),this._colorRenderer}},{key:"colorRendererWithSAO",get:function(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new kc(this._scene,!0)),this._colorRendererWithSAO}},{key:"colorQualityRendererWithSAO",get:function(){return this._colorQualityRendererWithSAO||(this._colorQualityRendererWithSAO=new TrianglesDataTextureColorQualityRenderer(this._scene,!0)),this._colorQualityRendererWithSAO}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Yc(this._scene)),this._silhouetteRenderer}},{key:"depthRenderer",get:function(){return this._depthRenderer||(this._depthRenderer=new Gf(this._scene)),this._depthRenderer}},{key:"normalsRenderer",get:function(){return this._normalsRenderer||(this._normalsRenderer=new zf(this._scene)),this._normalsRenderer}},{key:"edgesRenderer",get:function(){return this._edgesRenderer||(this._edgesRenderer=new ef(this._scene)),this._edgesRenderer}},{key:"edgesColorRenderer",get:function(){return this._edgesColorRenderer||(this._edgesColorRenderer=new sf(this._scene)),this._edgesColorRenderer}},{key:"pickMeshRenderer",get:function(){return this._pickMeshRenderer||(this._pickMeshRenderer=new ff(this._scene)),this._pickMeshRenderer}},{key:"pickNormalsRenderer",get:function(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new Nf(this._scene)),this._pickNormalsRenderer}},{key:"pickNormalsFlatRenderer",get:function(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new Yf(this._scene)),this._pickNormalsFlatRenderer}},{key:"pickDepthRenderer",get:function(){return this._pickDepthRenderer||(this._pickDepthRenderer=new If(this._scene)),this._pickDepthRenderer}},{key:"vertexDepthRenderer",get:function(){return this._vertexDepthRenderer||(this._vertexDepthRenderer=new bf(this._scene)),this._vertexDepthRenderer}},{key:"snapDepthBufInitRenderer",get:function(){return this._snapDepthBufInitRenderer||(this._snapDepthBufInitRenderer=new Of(this._scene)),this._snapDepthBufInitRenderer}},{key:"occlusionRenderer",get:function(){return this._occlusionRenderer||(this._occlusionRenderer=new Lf(this._scene)),this._occlusionRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorQualityRendererWithSAO&&this._colorQualityRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._vertexDepthRenderer&&this._vertexDepthRenderer.destroy(),this._snapDepthBufInitRenderer&&this._snapDepthBufInitRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy()}}]),e}(),qf={};var Jf=P((function e(){b(this,e),this.positionsCompressed=[],this.metallicRoughness=[],this.indices8Bits=[],this.indices16Bits=[],this.indices32Bits=[],this.edgeIndices8Bits=[],this.edgeIndices16Bits=[],this.edgeIndices32Bits=[],this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perObjectEdgeIndexBaseOffsets=[],this.perTriangleNumberPortionId8Bits=[],this.perTriangleNumberPortionId16Bits=[],this.perTriangleNumberPortionId32Bits=[],this.perEdgeNumberPortionId8Bits=[],this.perEdgeNumberPortionId16Bits=[],this.perEdgeNumberPortionId32Bits=[]})),Zf=function(){function e(){b(this,e),this.texturePerObjectIdColorsAndFlags=null,this.texturePerObjectIdOffsets=null,this.texturePerObjectIdPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerPolygonIdPortionIds8Bits=null,this.texturePerPolygonIdPortionIds16Bits=null,this.texturePerPolygonIdPortionIds32Bits=null,this.texturePerEdgeIdPortionIds8Bits=null,this.texturePerEdgeIdPortionIds16Bits=null,this.texturePerEdgeIdPortionIds32Bits=null,this.texturePerPolygonIdIndices8Bits=null,this.texturePerPolygonIdIndices16Bits=null,this.texturePerPolygonIdIndices32Bits=null,this.texturePerPolygonIdEdgeIndices8Bits=null,this.texturePerPolygonIdEdgeIndices16Bits=null,this.texturePerPolygonIdEdgeIndices32Bits=null,this.textureModelMatrices=null}return P(e,[{key:"finalize",value:function(){this.indicesPerBitnessTextures={8:this.texturePerPolygonIdIndices8Bits,16:this.texturePerPolygonIdIndices16Bits,32:this.texturePerPolygonIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerPolygonIdPortionIds8Bits,16:this.texturePerPolygonIdPortionIds16Bits,32:this.texturePerPolygonIdPortionIds32Bits},this.edgeIndicesPerBitnessTextures={8:this.texturePerPolygonIdEdgeIndices8Bits,16:this.texturePerPolygonIdEdgeIndices16Bits,32:this.texturePerPolygonIdEdgeIndices32Bits},this.edgeIndicesPortionIdsPerBitnessTextures={8:this.texturePerEdgeIdPortionIds8Bits,16:this.texturePerEdgeIdPortionIds16Bits,32:this.texturePerEdgeIdPortionIds32Bits}}},{key:"bindCommonTextures",value:function(e,t,n,r,i,a){this.texturePerObjectIdPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,n,2),this.texturePerObjectIdColorsAndFlags.bindTexture(e,r,3),this.textureModelMatrices.bindTexture(e,i,4),this.texturePerObjectIdOffsets.bindTexture(e,a,5)}},{key:"bindPickCameraTexture",value:function(e,t){}},{key:"bindTriangleIndicesTextures",value:function(e,t,n,r){this.indicesPortionIdsPerBitnessTextures[r].bindTexture(e,t,6),this.indicesPerBitnessTextures[r].bindTexture(e,n,7)}},{key:"bindEdgeIndicesTextures",value:function(e,t,n,r){this.edgeIndicesPortionIdsPerBitnessTextures[r].bindTexture(e,t,6),this.edgeIndicesPerBitnessTextures[r].bindTexture(e,n,7)}}]),e}(),$f=function(){function e(t,n,r,i){var a=arguments.length>4&&void 0!==arguments[4]?arguments[4]:null;b(this,e),this._gl=t,this._texture=n,this._textureWidth=r,this._textureHeight=i,this._textureData=a}return P(e,[{key:"bindTexture",value:function(e,t,n){return e.bindTexture(t,this,n)}},{key:"bind",value:function(e){return this._gl.activeTexture(this._gl["TEXTURE"+e]),this._gl.bindTexture(this._gl.TEXTURE_2D,this._texture),!0}},{key:"unbind",value:function(e){}}]),e}(),ep={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTextureEdgeIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalPolygons:0,totalPolygons8Bits:0,totalPolygons16Bits:0,totalPolygons32Bits:0,totalEdges:0,totalEdges8Bits:0,totalEdges16Bits:0,totalEdges32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(ep,null,4));var e=0;Object.keys(ep).forEach((function(t){t.startsWith("size")&&(e+=ep[t])})),console.log("Total size ".concat(e," bytes (").concat((e/1e3/1e3).toFixed(2)," MB)")),console.log("Avg bytes / triangle: ".concat((e/ep.totalPolygons).toFixed(2)));var t={};Object.keys(ep).forEach((function(n){n.startsWith("size")&&(t[n]="".concat((ep[n]/e*100).toFixed(2)," % of total"))})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};var tp=function(){function e(){b(this,e)}return P(e,[{key:"disableBindedTextureFiltering",value:function(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}},{key:"generateCameraDataTexture",value:function(e,t,n,r){var i=e.createTexture();e.bindTexture(e.TEXTURE_2D,i),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,4,3),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null);var a=new $f(e,i,4,3),s=!0;a.updateViewMatrix=function(n,i){e.bindTexture(e.TEXTURE_2D,a._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,4,1,e.RGBA,e.FLOAT,new Float32Array(r?Ie(n,r):n)),e.texSubImage2D(e.TEXTURE_2D,0,0,1,4,1,e.RGBA,e.FLOAT,new Float32Array(t.viewNormalMatrix)),e.texSubImage2D(e.TEXTURE_2D,0,0,2,4,1,e.RGBA,e.FLOAT,new Float32Array(i))};var o=function(){s&&(s=!1,a.updateViewMatrix(t.viewMatrix,t.project.matrix))};return t.on("matrix",(function(){return s=!0})),n.on("rendering",o),o(),a}},{key:"generatePickCameraDataTexture",value:function(e,t,n){var r=e.createTexture();e.bindTexture(e.TEXTURE_2D,r),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,4,3),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null);var i=new $f(e,r,4,3);return i.updateViewMatrix=function(r,a){e.bindTexture(e.TEXTURE_2D,i._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,4,1,e.RGBA,e.FLOAT,new Float32Array(n?Ie(r,n):r)),e.texSubImage2D(e.TEXTURE_2D,0,0,1,4,1,e.RGBA,e.FLOAT,new Float32Array(t.viewNormalMatrix)),e.texSubImage2D(e.TEXTURE_2D,0,0,2,4,1,e.RGBA,e.FLOAT,new Float32Array(a))},i}},{key:"generateModelTexture",value:function(e,t){var n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,4,2),e.texSubImage2D(e.TEXTURE_2D,0,0,0,4,1,e.RGBA,e.FLOAT,new Float32Array(t.worldMatrix)),e.texSubImage2D(e.TEXTURE_2D,0,0,1,4,1,e.RGBA,e.FLOAT,new Float32Array(t.worldNormalMatrix)),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new $f(e,n,4,2)}},{key:"generateTextureForColorsAndFlags",value:function(e,t,n,r,i,a,s){var o=t.length;this.numPortions=o;var l=4096,u=Math.ceil(o/512);if(0===u)throw"texture height===0";var c=new Uint8Array(16384*u);ep.sizeDataColorsAndFlags+=c.byteLength,ep.numberOfTextures++;for(var f=0;f<o;f++)c.set(t[f],32*f+0),c.set(n[f],32*f+4),c.set([0,0,0,0],32*f+8),c.set([0,0,0,0],32*f+12),c.set([r[f]>>24&255,r[f]>>16&255,r[f]>>8&255,255&r[f]],32*f+16),c.set([i[f]>>24&255,i[f]>>16&255,i[f]>>8&255,255&i[f]],32*f+20),c.set([a[f]>>24&255,a[f]>>16&255,a[f]>>8&255,255&a[f]],32*f+24),c.set([s[f]?1:0,0,0,0],32*f+28);var p=e.createTexture();return e.bindTexture(e.TEXTURE_2D,p),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,l,u),e.texSubImage2D(e.TEXTURE_2D,0,0,0,l,u,e.RGBA_INTEGER,e.UNSIGNED_BYTE,c,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new $f(e,p,l,u,c)}},{key:"generateTextureForObjectOffsets",value:function(e,t){var n=512,r=Math.ceil(t/n);if(0===r)throw"texture height===0";var i=new Float32Array(1536*r).fill(0);ep.sizeDataTextureOffsets+=i.byteLength,ep.numberOfTextures++;var a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,n,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,n,r,e.RGB,e.FLOAT,i,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new $f(e,a,n,r,i)}},{key:"generateTextureForPositionsDecodeMatrices",value:function(e,t,n){var r=t.length;if(0===r)throw"num decode+entity matrices===0";var i=2048,a=Math.ceil(r/512),s=new Float32Array(8192*a);ep.sizeDataPositionDecodeMatrices+=s.byteLength,ep.numberOfTextures++;for(var o=Z.mat4(),l=0;l<t.length;l++)s.set(Z.mulMat4(n[l],t[l],o),16*l);var u=e.createTexture();return e.bindTexture(e.TEXTURE_2D,u),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,i,a),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,a,e.RGBA,e.FLOAT,s,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new $f(e,u,i,a)}},{key:"generateTextureFor8BitIndices",value:function(e,t){if(0===t.length)return{texture:null,textureHeight:0};var n=4096,r=Math.ceil(t.length/3/n);if(0===r)throw"texture height===0";var i=new Uint8Array(n*r*3);ep.sizeDataTextureIndices+=i.byteLength,ep.numberOfTextures++,i.fill(0),i.set(t,0);var a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,n,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,n,r,e.RGB_INTEGER,e.UNSIGNED_BYTE,i,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new $f(e,a,n,r)}},{key:"generateTextureFor16BitIndices",value:function(e,t){if(0===t.length)return{texture:null,textureHeight:0};var n=4096,r=Math.ceil(t.length/3/n);if(0===r)throw"texture height===0";var i=new Uint16Array(n*r*3);ep.sizeDataTextureIndices+=i.byteLength,ep.numberOfTextures++,i.fill(0),i.set(t,0);var a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,n,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,n,r,e.RGB_INTEGER,e.UNSIGNED_SHORT,i,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new $f(e,a,n,r)}},{key:"generateTextureFor32BitIndices",value:function(e,t){if(0===t.length)return{texture:null,textureHeight:0};var n=4096,r=Math.ceil(t.length/3/n);if(0===r)throw"texture height===0";var i=new Uint32Array(n*r*3);ep.sizeDataTextureIndices+=i.byteLength,ep.numberOfTextures++,i.fill(0),i.set(t,0);var a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,n,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,n,r,e.RGB_INTEGER,e.UNSIGNED_INT,i,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new $f(e,a,n,r)}},{key:"generateTextureFor8BitsEdgeIndices",value:function(e,t){if(0===t.length)return{texture:null,textureHeight:0};var n=4096,r=Math.ceil(t.length/2/n);if(0===r)throw"texture height===0";var i=new Uint8Array(n*r*2);ep.sizeDataTextureEdgeIndices+=i.byteLength,ep.numberOfTextures++,i.fill(0),i.set(t,0);var a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RG8UI,n,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,n,r,e.RG_INTEGER,e.UNSIGNED_BYTE,i,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new $f(e,a,n,r)}},{key:"generateTextureFor16BitsEdgeIndices",value:function(e,t){if(0===t.length)return{texture:null,textureHeight:0};var n=4096,r=Math.ceil(t.length/2/n);if(0===r)throw"texture height===0";var i=new Uint16Array(n*r*2);ep.sizeDataTextureEdgeIndices+=i.byteLength,ep.numberOfTextures++,i.fill(0),i.set(t,0);var a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RG16UI,n,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,n,r,e.RG_INTEGER,e.UNSIGNED_SHORT,i,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new $f(e,a,n,r)}},{key:"generateTextureFor32BitsEdgeIndices",value:function(e,t){if(0===t.length)return{texture:null,textureHeight:0};var n=4096,r=Math.ceil(t.length/2/n);if(0===r)throw"texture height===0";var i=new Uint32Array(n*r*2);ep.sizeDataTextureEdgeIndices+=i.byteLength,ep.numberOfTextures++,i.fill(0),i.set(t,0);var a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RG32UI,n,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,n,r,e.RG_INTEGER,e.UNSIGNED_INT,i,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new $f(e,a,n,r)}},{key:"generateTextureForPositions",value:function(e,t){var n=t.length/3,r=4096,i=Math.ceil(n/r);if(0===i)throw"texture height===0";var a=new Uint16Array(r*i*3);ep.sizeDataTexturePositions+=a.byteLength,ep.numberOfTextures++,a.fill(0),a.set(t,0);var s=e.createTexture();return e.bindTexture(e.TEXTURE_2D,s),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,r,i),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,i,e.RGB_INTEGER,e.UNSIGNED_SHORT,a,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new $f(e,s,r,i)}},{key:"generateTextureForPackedPortionIds",value:function(e,t){if(0===t.length)return{texture:null,textureHeight:0};var n=t.length,r=4096,i=Math.ceil(n/r);if(0===i)throw"texture height===0";var a=new Uint16Array(r*i);a.set(t,0),ep.sizeDataTexturePortionIds+=a.byteLength,ep.numberOfTextures++;var s=e.createTexture();return e.bindTexture(e.TEXTURE_2D,s),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,r,i),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,i,e.RED_INTEGER,e.UNSIGNED_SHORT,a,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new $f(e,s,r,i)}}]),e}(),np=Z.vec4([0,0,0,1]),rp=Z.vec4([0,0,0,1]),ip=Z.vec4([0,0,0,1]),ap=new Uint8Array(4),sp=new Float32Array(3),op=Z.AABB3(),lp=0,up=Z.identityMat4(),cp=function(){function e(t,n){var r,i,a;b(this,e),ep.numberOfLayers++,this._layerNumber=lp++,this.sortId="TriDTX-".concat(this._layerNumber),this.layerIndex=n.layerIndex,this._dataTextureRenderers=(r=t.scene,i=r.id,(a=qf[i])||(a=new Xf(r),qf[i]=a,a._compile(),r.on("compile",(function(){a._compile()})),r.on("destroyed",(function(){delete qf[i],a._destroy()}))),a),this.model=t,this._buffer=new Jf,this._dataTextureState=new Zf,this._dataTextureGenerator=new tp,this._state=new Nt({origin:Z.vec3(n.origin),metallicRoughnessBuf:null,positionsDecodeMatrix:Z.mat4(),textureState:this._dataTextureState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numEdgeIndices8Bits:0,numEdgeIndices16Bits:0,numEdgeIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this._portionToSubPortionsMap=[],this._bucketGeometries={},this.aabb=Z.collapseAABB3(),this._numUpdatesInFrame=0,this._finalized=!1}return P(e,[{key:"canCreatePortion",value:function(e){if(this._finalized)throw"Already finalized";var t=e.buckets.length;this._numPortions+t>65536&&ep.cannotCreatePortion.because10BitsObjectId++;var n=this._numPortions+t<=65536,r=void 0!==e.geometryId&&null!==e.geometryId?"".concat(e.geometryId,"#").concat(0):"".concat(e.id,"#").concat(0);if(!this._bucketGeometries[r]){var i=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits),a=0,s=0;e.buckets.forEach((function(e){a+=e.positionsCompressed.length/3,s+=e.indices.length/3})),(this._state.numVertices+a>16777216||i+s>16777216)&&ep.cannotCreatePortion.becauseTextureSize++,n&&(n=this._state.numVertices+a<=16777216&&i+s<=16777216)}return n}},{key:"createPortion",value:function(e){var t=this;if(this._finalized)throw"Already finalized";var n=[],r=e.worldAABB;e.buckets.forEach((function(i,a){var s=void 0!==e.geometryId&&null!==e.geometryId?"".concat(e.geometryId,"#").concat(a):"".concat(e.id,"#").concat(a),o=t._bucketGeometries[s];o||(o=t._createBucketGeometry(e,i),t._bucketGeometries[s]=o);var l=Z.collapseAABB3(op),u=t._createSubPortion(e,o,i,l);Z.expandAABB3(r,l),n.push(u)}));var i=this._state.origin;0===i[0]&&0===i[1]&&0===i[2]||(r[0]+=i[0],r[1]+=i[1],r[2]+=i[2],r[3]+=i[0],r[4]+=i[1],r[5]+=i[2]),Z.expandAABB3(this.aabb,r);var a=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(n),this.model.numPortions++,a}},{key:"_createBucketGeometry",value:function(e,t){if(t.indices){var n=8*Math.ceil(t.indices.length/3/8)*3;ep.overheadSizeAlignementIndices+=2*(n-t.indices.length);var r=new Uint32Array(n);r.fill(0),r.set(t.indices),t.indices=r}if(t.edgeIndices){var i=8*Math.ceil(t.edgeIndices.length/2/8)*2;ep.overheadSizeAlignementEdgeIndices+=2*(i-t.edgeIndices.length);var a=new Uint32Array(i);a.fill(0),a.set(t.edgeIndices),t.edgeIndices=a}for(var s,o=t.positionsCompressed,l=t.indices,u=t.edgeIndices,c=this._buffer,f=c.positionsCompressed.length/3,p=o.length/3,A=0,d=o.length;A<d;A++)c.positionsCompressed.push(o[A]);var v,h=0;if(l){var I;h=l.length/3,s=(I=p<=256?c.indices8Bits:p<=65536?c.indices16Bits:c.indices32Bits).length/3;for(var y=0,m=l.length;y<m;y++)I.push(l[y])}var w=0;if(u){var g;w=u.length/2,v=(g=p<=256?c.edgeIndices8Bits:p<=65536?c.edgeIndices16Bits:c.edgeIndices32Bits).length/2;for(var T=0,E=u.length;T<E;T++)g.push(u[T])}this._state.numVertices+=p,ep.numberOfGeometries++;var b=Z.collapseAABB3();return Z.expandAABB3Points3(b,t.positionsCompressed),An.decompressAABB(b,e.positionsDecodeMatrix),{vertexBase:f,numVertices:p,numTriangles:h,numEdges:w,indicesBase:s,edgeIndicesBase:v,aabb:b,obb:null}}},{key:"_createSubPortion",value:function(e,t,n,r){var i=e.color;e.metallic,e.roughness;var a,s,o=e.colors,l=e.opacity,u=e.meshMatrix,c=e.sceneModelMatrix,f=e.pickColor,p=this._buffer,A=this._state;if(p.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),p.perObjectInstancePositioningMatrices.push(u||up),u||c){t.obb||(t.obb=Z.AABB3ToOBB3(t.aabb));for(var d=t.obb,v=0,h=d.length;v<h;v+=4)np[0]=d[v+0],np[1]=d[v+1],np[2]=d[v+2],np[3]=1,u&&Z.transformPoint4(u,np,rp),c?(Z.transformPoint4(c,rp,ip),Z.expandAABB3Point3(r,ip)):Z.expandAABB3Point3(r,rp)}else Z.expandAABB3(r,t.aabb);p.perObjectSolid.push(!!e.solid),o?p.perObjectColors.push([255*o[0],255*o[1],255*o[2],255]):i&&p.perObjectColors.push([i[0],i[1],i[2],l]),p.perObjectPickColors.push(f),p.perObjectVertexBases.push(t.vertexBase),a=t.numVertices<=256?A.numIndices8Bits:t.numVertices<=65536?A.numIndices16Bits:A.numIndices32Bits,p.perObjectIndexBaseOffsets.push(a/3-t.indicesBase),s=t.numVertices<=256?A.numEdgeIndices8Bits:t.numVertices<=65536?A.numEdgeIndices16Bits:A.numEdgeIndices32Bits,p.perObjectEdgeIndexBaseOffsets.push(s/2-t.edgeIndicesBase);var I=this._subPortions.length;if(t.numTriangles>0){var y,m=3*t.numTriangles;t.numVertices<=256?(y=p.perTriangleNumberPortionId8Bits,A.numIndices8Bits+=m,ep.totalPolygons8Bits+=t.numTriangles):t.numVertices<=65536?(y=p.perTriangleNumberPortionId16Bits,A.numIndices16Bits+=m,ep.totalPolygons16Bits+=t.numTriangles):(y=p.perTriangleNumberPortionId32Bits,A.numIndices32Bits+=m,ep.totalPolygons32Bits+=t.numTriangles),ep.totalPolygons+=t.numTriangles;for(var w=0;w<t.numTriangles;w+=8)y.push(I)}if(t.numEdges>0){var g,T=2*t.numEdges;t.numVertices<=256?(g=p.perEdgeNumberPortionId8Bits,A.numEdgeIndices8Bits+=T,ep.totalEdges8Bits+=t.numEdges):t.numVertices<=65536?(g=p.perEdgeNumberPortionId16Bits,A.numEdgeIndices16Bits+=T,ep.totalEdges16Bits+=t.numEdges):(g=p.perEdgeNumberPortionId32Bits,A.numEdgeIndices32Bits+=T,ep.totalEdges32Bits+=t.numEdges),ep.totalEdges+=t.numEdges;for(var E=0;E<t.numEdges;E+=8)g.push(I)}return this._subPortions.push({numVertices:t.numTriangles}),this._numPortions++,ep.numberOfPortions++,I}},{key:"finalize",value:function(){var e=this;if(!this._finalized){var t=this._state,n=this._dataTextureState,r=this.model.scene.canvas.gl,i=this._buffer;t.gl=r,n.texturePerObjectIdColorsAndFlags=this._dataTextureGenerator.generateTextureForColorsAndFlags(r,i.perObjectColors,i.perObjectPickColors,i.perObjectVertexBases,i.perObjectIndexBaseOffsets,i.perObjectEdgeIndexBaseOffsets,i.perObjectSolid),n.texturePerObjectIdOffsets=this._dataTextureGenerator.generateTextureForObjectOffsets(r,this._numPortions),n.texturePerObjectIdPositionsDecodeMatrix=this._dataTextureGenerator.generateTextureForPositionsDecodeMatrices(r,i.perObjectPositionsDecodeMatrices,i.perObjectInstancePositioningMatrices),n.texturePerVertexIdCoordinates=this._dataTextureGenerator.generateTextureForPositions(r,i.positionsCompressed),n.texturePerPolygonIdPortionIds8Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(r,i.perTriangleNumberPortionId8Bits),n.texturePerPolygonIdPortionIds16Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(r,i.perTriangleNumberPortionId16Bits),n.texturePerPolygonIdPortionIds32Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(r,i.perTriangleNumberPortionId32Bits),i.perEdgeNumberPortionId8Bits.length>0&&(n.texturePerEdgeIdPortionIds8Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(r,i.perEdgeNumberPortionId8Bits)),i.perEdgeNumberPortionId16Bits.length>0&&(n.texturePerEdgeIdPortionIds16Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(r,i.perEdgeNumberPortionId16Bits)),i.perEdgeNumberPortionId32Bits.length>0&&(n.texturePerEdgeIdPortionIds32Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(r,i.perEdgeNumberPortionId32Bits)),i.indices8Bits.length>0&&(n.texturePerPolygonIdIndices8Bits=this._dataTextureGenerator.generateTextureFor8BitIndices(r,i.indices8Bits)),i.indices16Bits.length>0&&(n.texturePerPolygonIdIndices16Bits=this._dataTextureGenerator.generateTextureFor16BitIndices(r,i.indices16Bits)),i.indices32Bits.length>0&&(n.texturePerPolygonIdIndices32Bits=this._dataTextureGenerator.generateTextureFor32BitIndices(r,i.indices32Bits)),i.edgeIndices8Bits.length>0&&(n.texturePerPolygonIdEdgeIndices8Bits=this._dataTextureGenerator.generateTextureFor8BitsEdgeIndices(r,i.edgeIndices8Bits)),i.edgeIndices16Bits.length>0&&(n.texturePerPolygonIdEdgeIndices16Bits=this._dataTextureGenerator.generateTextureFor16BitsEdgeIndices(r,i.edgeIndices16Bits)),i.edgeIndices32Bits.length>0&&(n.texturePerPolygonIdEdgeIndices32Bits=this._dataTextureGenerator.generateTextureFor32BitsEdgeIndices(r,i.edgeIndices32Bits)),this.model._modelMatricesTexture||(this.model._modelMatricesTexture=this._dataTextureGenerator.generateModelTexture(r,this.model)),n.textureModelMatrices=this.model._modelMatricesTexture,n.cameraTexture=this._dataTextureGenerator.generateCameraDataTexture(this.model.scene.canvas.gl,this.model.scene.camera,this.model.scene,this._state.origin.slice()),n.textureCameraMatrices=n.cameraTexture,n.texturePickCameraMatrices=this._dataTextureGenerator.generatePickCameraDataTexture(this.model.scene.canvas.gl,this.model.scene.camera,this._state.origin.slice()),n.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(function(){e._deferredSetFlagsDirty&&e._uploadDeferredFlags(),e._numUpdatesInFrame=0}))}}},{key:"isEmpty",value:function(){return 0===this._numPortions}},{key:"initFlags",value:function(e,t,n){t&Te&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&Ce&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&Re&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&_e&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&De&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&Be&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&be&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Ee&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),n&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,n,true),this._setFlags2(e,t,true)}},{key:"flushInitFlags",value:function(){this._setDeferredFlags(),this._setDeferredFlags2()}},{key:"setVisible",value:function(e,t,n){if(!this._finalized)throw"Not finalized";t&Te?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,n)}},{key:"setHighlighted",value:function(e,t,n){if(!this._finalized)throw"Not finalized";t&Ce?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,n)}},{key:"setXRayed",value:function(e,t,n){if(!this._finalized)throw"Not finalized";t&Re?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,n)}},{key:"setSelected",value:function(e,t,n){if(!this._finalized)throw"Not finalized";t&_e?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,n)}},{key:"setEdges",value:function(e,t,n){if(!this._finalized)throw"Not finalized";t&Be?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,n)}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&De?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}},{key:"_beginDeferredFlags",value:function(){this._deferredSetFlagsActive=!0}},{key:"_uploadDeferredFlags",value:function(){if(this._deferredSetFlagsActive=!1,this._deferredSetFlagsDirty){this._deferredSetFlagsDirty=!1;var e=this.model.scene.canvas.gl,t=this._dataTextureState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectIdColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectIdColorsAndFlags._textureWidth,t.texturePerObjectIdColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectIdColorsAndFlags._textureData),e.bindTexture(e.TEXTURE_2D,t.texturePerObjectIdOffsets._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectIdOffsets._textureWidth,t.texturePerObjectIdOffsets._textureHeight,e.RGB,e.FLOAT,t.texturePerObjectIdOffsets._textureData)}}},{key:"setCulled",value:function(e,t,n){if(!this._finalized)throw"Not finalized";t&Ee?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,n)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,n){if(!this._finalized)throw"Not finalized";t&be?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,n)}},{key:"setColor",value:function(e,t){for(var n=this._portionToSubPortionsMap[e],r=0,i=n.length;r<i;r++)this._subPortionSetColor(n[r],t)}},{key:"_subPortionSetColor",value:function(e,t){if(!this._finalized)throw"Not finalized";var n=this._dataTextureState,r=this.model.scene.canvas.gl;ap[0]=t[0],ap[1]=t[1],ap[2]=t[2],ap[3]=t[3],n.texturePerObjectIdColorsAndFlags._textureData.set(ap,32*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),r.bindTexture(r.TEXTURE_2D,n.texturePerObjectIdColorsAndFlags._texture),r.texSubImage2D(r.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,r.RGBA_INTEGER,r.UNSIGNED_BYTE,ap))}},{key:"setTransparent",value:function(e,t,n){n?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,n)}},{key:"_setFlags",value:function(e,t,n){for(var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3],i=this._portionToSubPortionsMap[e],a=0,s=i.length;a<s;a++)this._subPortionSetFlags(i[a],t,n,r)}},{key:"_subPortionSetFlags",value:function(e,t,n){var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3];if(!this._finalized)throw"Not finalized";var i,a,s=!!(t&Te),o=!!(t&Re),l=!!(t&Ce),u=!!(t&_e),c=!!(t&Be),f=!!(t&be),p=!!(t&Ee);i=!s||p||o?to.NOT_RENDERED:n?to.COLOR_TRANSPARENT:to.COLOR_OPAQUE,a=!s||p?to.NOT_RENDERED:u?to.SILHOUETTE_SELECTED:l?to.SILHOUETTE_HIGHLIGHTED:o?to.SILHOUETTE_XRAYED:to.NOT_RENDERED;var A=0;A=!s||p?to.NOT_RENDERED:u?to.EDGES_SELECTED:l?to.EDGES_HIGHLIGHTED:o?to.EDGES_XRAYED:c?n?to.EDGES_COLOR_TRANSPARENT:to.EDGES_COLOR_OPAQUE:to.NOT_RENDERED;var d=s&&f?to.PICK:to.NOT_RENDERED,v=this._dataTextureState,h=this.model.scene.canvas.gl;ap[0]=i,ap[1]=a,ap[2]=A,ap[3]=d,v.texturePerObjectIdColorsAndFlags._textureData.set(ap,32*e+8),this._deferredSetFlagsActive||r?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),h.bindTexture(h.TEXTURE_2D,v.texturePerObjectIdColorsAndFlags._texture),h.texSubImage2D(h.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,h.RGBA_INTEGER,h.UNSIGNED_BYTE,ap))}},{key:"_setDeferredFlags",value:function(){}},{key:"_setFlags2",value:function(e,t){for(var n=arguments.length>2&&void 0!==arguments[2]&&arguments[2],r=this._portionToSubPortionsMap[e],i=0,a=r.length;i<a;i++)this._subPortionSetFlags2(r[i],t,n)}},{key:"_subPortionSetFlags2",value:function(e,t){var n=arguments.length>2&&void 0!==arguments[2]&&arguments[2];if(!this._finalized)throw"Not finalized";var r=t&De?255:0,i=this._dataTextureState,a=this.model.scene.canvas.gl;ap[0]=r,ap[1]=0,ap[2]=1,ap[3]=2,i.texturePerObjectIdColorsAndFlags._textureData.set(ap,32*e+12),this._deferredSetFlagsActive||n?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),a.bindTexture(a.TEXTURE_2D,i.texturePerObjectIdColorsAndFlags._texture),a.texSubImage2D(a.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,a.RGBA_INTEGER,a.UNSIGNED_BYTE,ap))}},{key:"_setDeferredFlags2",value:function(){}},{key:"setOffset",value:function(e,t){for(var n=this._portionToSubPortionsMap[e],r=0,i=n.length;r<i;r++)this._subPortionSetOffset(n[r],t)}},{key:"_subPortionSetOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";var n=this._dataTextureState,r=this.model.scene.canvas.gl;sp[0]=t[0],sp[1]=t[1],sp[2]=t[2],n.texturePerObjectIdOffsets._textureData.set(sp,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),r.bindTexture(r.TEXTURE_2D,n.texturePerObjectIdOffsets._texture),r.texSubImage2D(r.TEXTURE_2D,0,0,e,1,1,r.RGB,r.FLOAT,sp))}},{key:"drawColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.withSAO&&this.model.saoEnabled?this._dataTextureRenderers.colorRendererWithSAO&&this._dataTextureRenderers.colorRendererWithSAO.drawLayer(t,this,to.COLOR_OPAQUE):this._dataTextureRenderers.colorRenderer&&this._dataTextureRenderers.colorRenderer.drawLayer(t,this,to.COLOR_OPAQUE))}},{key:"_updateBackfaceCull",value:function(e,t){var n=this.model.backfaces||e.sectioned;if(t.backfaces!==n){var r=t.gl;n?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),t.backfaces=n}}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.colorRenderer&&this._dataTextureRenderers.colorRenderer.drawLayer(t,this,to.COLOR_TRANSPARENT))}},{key:"drawDepth",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.depthRenderer&&this._dataTextureRenderers.depthRenderer.drawLayer(t,this,to.COLOR_OPAQUE))}},{key:"drawNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.normalsRenderer&&this._dataTextureRenderers.normalsRenderer.drawLayer(t,this,to.COLOR_OPAQUE))}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.silhouetteRenderer&&this._dataTextureRenderers.silhouetteRenderer.drawLayer(t,this,to.SILHOUETTE_XRAYED))}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.silhouetteRenderer&&this._dataTextureRenderers.silhouetteRenderer.drawLayer(t,this,to.SILHOUETTE_HIGHLIGHTED))}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.silhouetteRenderer&&this._dataTextureRenderers.silhouetteRenderer.drawLayer(t,this,to.SILHOUETTE_SELECTED))}},{key:"drawEdgesColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._dataTextureRenderers.edgesColorRenderer&&this._dataTextureRenderers.edgesColorRenderer.drawLayer(t,this,to.EDGES_COLOR_OPAQUE)}},{key:"drawEdgesColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._dataTextureRenderers.edgesColorRenderer&&this._dataTextureRenderers.edgesColorRenderer.drawLayer(t,this,to.EDGES_COLOR_TRANSPARENT)}},{key:"drawEdgesHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._dataTextureRenderers.edgesRenderer&&this._dataTextureRenderers.edgesRenderer.drawLayer(t,this,to.EDGES_HIGHLIGHTED)}},{key:"drawEdgesSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._dataTextureRenderers.edgesRenderer&&this._dataTextureRenderers.edgesRenderer.drawLayer(t,this,to.EDGES_SELECTED)}},{key:"drawEdgesXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._dataTextureRenderers.edgesRenderer&&this._dataTextureRenderers.edgesRenderer.drawLayer(t,this,to.EDGES_XRAYED)}},{key:"drawOcclusion",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.occlusionRenderer&&this._dataTextureRenderers.occlusionRenderer.drawLayer(t,this,to.COLOR_OPAQUE))}},{key:"drawShadow",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.shadowRenderer&&this._dataTextureRenderers.shadowRenderer.drawLayer(t,this,to.COLOR_OPAQUE))}},{key:"setPickMatrices",value:function(e,t){0!==this._numVisibleLayerPortions&&this._dataTextureState.texturePickCameraMatrices.updateViewMatrix(e,t)}},{key:"drawPickMesh",value:function(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.pickMeshRenderer&&this._dataTextureRenderers.pickMeshRenderer.drawLayer(t,this,to.PICK))}},{key:"drawPickDepths",value:function(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.pickDepthRenderer&&this._dataTextureRenderers.pickDepthRenderer.drawLayer(t,this,to.PICK))}},{key:"drawSnapInitDepthBuf",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.snapDepthBufInitRenderer&&this._dataTextureRenderers.snapDepthBufInitRenderer.drawLayer(t,this,to.PICK))}},{key:"drawSnapDepths",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.vertexDepthRenderer&&this._dataTextureRenderers.vertexDepthRenderer.drawLayer(t,this,to.PICK))}},{key:"drawPickNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.pickNormalsRenderer&&this._dataTextureRenderers.pickNormalsRenderer.drawLayer(t,this,to.PICK))}},{key:"destroy",value:function(){if(!this._destroyed){var e=this._state;e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}}]),e}(),fp=Z.vec3();Z.mat4();var pp=Z.vec3([1,1,1]),Ap=Z.vec3([0,0,0]),dp=Z.vec3([0,0,0]),vp=Z.identityQuaternion(),hp=Z.identityMat4(),Ip=new Uint8Array([255,255,255]),yp=function(e){I(n,ve);var t=m(n);function n(e){var r,i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return b(this,n),(r=t.call(this,e,i))._dtxEnabled=r.scene.dtxEnabled&&!1!==i.dtxEnabled,r._enableVertexWelding=!1,r._enableIndexBucketing=!0,r._vboBatchingLayerScratchMemory=eo(),r._textureTranscoder=i.textureTranscoder||Ec(r.scene.viewer),r._maxGeometryBatchSize=i.maxGeometryBatchSize,r._aabb=Z.collapseAABB3(),r._aabbDirty=!0,r._quantizationRanges={},r._vboInstancingLayers={},r._vboBatchingLayers={},r._dtxLayers={},r._meshList=[],r.layerList=[],r._entityList=[],r._geometries={},r._dtxBuckets={},r._textures={},r._textureSets={},r._meshes={},r._entities={},r._scheduledMeshes={},r.renderFlags=new ea,r.numGeometries=0,r.numPortions=0,r.numVisibleLayerPortions=0,r.numTransparentLayerPortions=0,r.numXRayedLayerPortions=0,r.numHighlightedLayerPortions=0,r.numSelectedLayerPortions=0,r.numEdgesLayerPortions=0,r.numPickableLayerPortions=0,r.numClippableLayerPortions=0,r.numCulledLayerPortions=0,r.numEntities=0,r._numTriangles=0,r._numLines=0,r._numPoints=0,r._edgeThreshold=i.edgeThreshold||10,r._origin=Z.vec3(i.origin||[0,0,0]),r._position=Z.vec3(i.position||[0,0,0]),r._rotation=Z.vec3(i.rotation||[0,0,0]),r._quaternion=Z.vec4(i.quaternion||[0,0,0,1]),r._conjugateQuaternion=Z.vec4(i.quaternion||[0,0,0,1]),i.rotation&&Z.eulerToQuaternion(r._rotation,"XYZ",r._quaternion),r._scale=Z.vec3(i.scale||[1,1,1]),r._worldRotationMatrix=Z.mat4(),r._worldRotationMatrixConjugate=Z.mat4(),r._matrix=Z.mat4(),r._matrixDirty=!0,r._rebuildMatrices(),r._worldNormalMatrix=Z.mat4(),Z.inverseMat4(r._matrix,r._worldNormalMatrix),Z.transposeMat4(r._worldNormalMatrix),(i.matrix||i.position||i.rotation||i.scale||i.quaternion)&&(r._viewMatrix=Z.mat4(),r._viewNormalMatrix=Z.mat4(),r._viewMatrixDirty=!0,r._matrixNonIdentity=!0),r._opacity=1,r._colorize=[1,1,1],r._saoEnabled=!1!==i.saoEnabled,r._pbrEnabled=!1!==i.pbrEnabled,r._colorTextureEnabled=!1!==i.colorTextureEnabled,r._isModel=i.isModel,r._isModel&&r.scene._registerModel(g(r)),r._onCameraViewMatrix=r.scene.camera.on("matrix",(function(){r._viewMatrixDirty=!0})),r.scene.vfc.enabled&&(r._vfcManager=r.scene.vfc.getVFCManager(g(r))),r._createDefaultTextureSet(),r.visible=i.visible,r.culled=i.culled,r.pickable=i.pickable,r.clippable=i.clippable,r.collidable=i.collidable,r.castsShadow=i.castsShadow,r.receivesShadow=i.receivesShadow,r.xrayed=i.xrayed,r.highlighted=i.highlighted,r.selected=i.selected,r.edges=i.edges,r.colorize=i.colorize,r.opacity=i.opacity,r.backfaces=i.backfaces,r}return P(n,[{key:"_createDefaultTextureSet",value:function(){var e=new pc({id:"defaultColorTexture",texture:new Ha({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})}),t=new pc({id:"defaultMetalRoughTexture",texture:new Ha({gl:this.scene.canvas.gl,preloadColor:[0,1,1,1]})}),n=new pc({id:"defaultNormalsTexture",texture:new Ha({gl:this.scene.canvas.gl,preloadColor:[0,0,0,0]})}),r=new pc({id:"defaultEmissiveTexture",texture:new Ha({gl:this.scene.canvas.gl,preloadColor:[0,0,0,1]})}),i=new pc({id:"defaultOcclusionTexture",texture:new Ha({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})});this._textures.defaultColorTexture=e,this._textures.defaultMetalRoughTexture=t,this._textures.defaultNormalsTexture=n,this._textures.defaultEmissiveTexture=r,this._textures.defaultOcclusionTexture=i,this._textureSets.defaultTextureSet=new fc({id:"defaultTextureSet",model:this,colorTexture:e,metallicRoughnessTexture:t,normalsTexture:n,emissiveTexture:r,occlusionTexture:i})}},{key:"isPerformanceModel",get:function(){return!0}},{key:"objects",get:function(){return this._entities}},{key:"origin",get:function(){return this._origin}},{key:"position",get:function(){return this._position},set:function(e){this._position.set(e||[0,0,0]),this._setWorldMatrixDirty(),this._setWorldAABBDirty(),this.glRedraw()}},{key:"rotation",get:function(){return this._rotation},set:function(e){this._rotation.set(e||[0,0,0]),Z.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setWorldMatrixDirty(),this._setWorldAABBDirty(),this.glRedraw()}},{key:"quaternion",get:function(){return this._quaternion},set:function(e){this._quaternion.set(e||[0,0,0,1]),Z.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setWorldMatrixDirty(),this._setWorldAABBDirty(),this.glRedraw()}},{key:"scale",get:function(){return this._scale},set:function(e){}},{key:"matrix",get:function(){return this._matrixDirty&&this._rebuildMatrices(),this._matrix},set:function(e){this._matrix.set(e||hp),Z.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),Z.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),Z.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),Z.translateMat4v(this._position,this._matrix),this._matrixDirty=!1,this._setWorldMatrixDirty(),this._setWorldAABBDirty(),this.glRedraw()}},{key:"rotationMatrix",get:function(){return this._matrixDirty&&this._rebuildMatrices(),this._worldRotationMatrix}},{key:"_rebuildMatrices",value:function(){this._matrixDirty&&(Z.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),Z.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),Z.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),Z.translateMat4v(this._position,this._matrix),this._matrixDirty=!1)}},{key:"rotationMatrixConjugate",get:function(){return this._matrixDirty&&this._rebuildMatrices(),this._worldRotationMatrixConjugate}},{key:"_setWorldMatrixDirty",value:function(){this._matrixDirty=!0}},{key:"_setLocalAABBDirty",value:function(){for(var e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._setLocalAABBDirty()}},{key:"_setWorldAABBDirty",value:function(){this._aabbDirty=!0,this.scene._aabbDirty=!0,this._matrixDirty=!0;for(var e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._setWorldAABBDirty()}},{key:"worldMatrix",get:function(){return this.matrix}},{key:"worldNormalMatrix",get:function(){return this._worldNormalMatrix}},{key:"viewMatrix",get:function(){return this._viewMatrix?(this._matrixDirty&&(this._rebuildMatrices(),this._viewMatrixDirty=!0),this._viewMatrixDirty&&(Z.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),Z.inverseMat4(this._viewMatrix,this._viewNormalMatrix),Z.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1),this._viewMatrix):this.scene.camera.viewMatrix}},{key:"viewNormalMatrix",get:function(){return this._viewNormalMatrix?(this._matrixDirty&&(this._rebuildMatrices(),this._viewMatrixDirty=!0),this._viewMatrixDirty&&(Z.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),Z.inverseMat4(this._viewMatrix,this._viewNormalMatrix),Z.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1),Z.inverseMat4(this._viewMatrix,this._viewNormalMatrix),Z.transposeMat4(this._viewNormalMatrix),this._viewNormalMatrix):this.scene.camera.viewNormalMatrix}},{key:"backfaces",get:function(){return this._backfaces},set:function(e){e=!!e,this._backfaces=e,this.glRedraw()}},{key:"entityList",get:function(){return this._entityList}},{key:"isEntity",get:function(){return!0}},{key:"isModel",get:function(){return this._isModel}},{key:"isObject",get:function(){return!1}},{key:"aabb",get:function(){if(this._aabbDirty){Z.collapseAABB3(this._aabb);for(var e=0,t=this._entityList.length;e<t;e++)Z.expandAABB3(this._aabb,this._entityList[e].aabb);this._aabbDirty=!1}return this._aabb}},{key:"numTriangles",get:function(){return this._numTriangles}},{key:"numLines",get:function(){return this._numLines}},{key:"numPoints",get:function(){return this._numPoints}},{key:"visible",get:function(){return this.numVisibleLayerPortions>0},set:function(e){e=!1!==e,this._visible=e;for(var t=0,n=this._entityList.length;t<n;t++)this._entityList[t].visible=e;this.glRedraw()}},{key:"xrayed",get:function(){return this.numXRayedLayerPortions>0},set:function(e){e=!!e,this._xrayed=e;for(var t=0,n=this._entityList.length;t<n;t++)this._entityList[t].xrayed=e;this.glRedraw()}},{key:"highlighted",get:function(){return this.numHighlightedLayerPortions>0},set:function(e){e=!!e,this._highlighted=e;for(var t=0,n=this._entityList.length;t<n;t++)this._entityList[t].highlighted=e;this.glRedraw()}},{key:"selected",get:function(){return this.numSelectedLayerPortions>0},set:function(e){e=!!e,this._selected=e;for(var t=0,n=this._entityList.length;t<n;t++)this._entityList[t].selected=e;this.glRedraw()}},{key:"edges",get:function(){return this.numEdgesLayerPortions>0},set:function(e){e=!!e,this._edges=e;for(var t=0,n=this._entityList.length;t<n;t++)this._entityList[t].edges=e;this.glRedraw()}},{key:"culled",get:function(){return this._culled},set:function(e){e=!!e,this._culled=e;for(var t=0,n=this._entityList.length;t<n;t++)this._entityList[t].culled=e;this.glRedraw()}},{key:"clippable",get:function(){return this._clippable},set:function(e){e=!1!==e,this._clippable=e;for(var t=0,n=this._entityList.length;t<n;t++)this._entityList[t].clippable=e;this.glRedraw()}},{key:"collidable",get:function(){return this._collidable},set:function(e){e=!1!==e,this._collidable=e;for(var t=0,n=this._entityList.length;t<n;t++)this._entityList[t].collidable=e}},{key:"pickable",get:function(){return this.numPickableLayerPortions>0},set:function(e){e=!1!==e,this._pickable=e;for(var t=0,n=this._entityList.length;t<n;t++)this._entityList[t].pickable=e}},{key:"colorize",get:function(){return this._colorize},set:function(e){this._colorize=e;for(var t=0,n=this._entityList.length;t<n;t++)this._entityList[t].colorize=e}},{key:"opacity",get:function(){return this._opacity},set:function(e){this._opacity=e;for(var t=0,n=this._entityList.length;t<n;t++)this._entityList[t].opacity=e}},{key:"castsShadow",get:function(){return this._castsShadow},set:function(e){(e=!1!==e)!==this._castsShadow&&(this._castsShadow=e,this.glRedraw())}},{key:"receivesShadow",get:function(){return this._receivesShadow},set:function(e){(e=!1!==e)!==this._receivesShadow&&(this._receivesShadow=e,this.glRedraw())}},{key:"saoEnabled",get:function(){return this._saoEnabled}},{key:"pbrEnabled",get:function(){return this._pbrEnabled}},{key:"colorTextureEnabled",get:function(){return this._colorTextureEnabled}},{key:"isDrawable",get:function(){return!0}},{key:"isStateSortable",get:function(){return!1}},{key:"xrayMaterial",get:function(){return this.scene.xrayMaterial}},{key:"highlightMaterial",get:function(){return this.scene.highlightMaterial}},{key:"selectedMaterial",get:function(){return this.scene.selectedMaterial}},{key:"edgeMaterial",get:function(){return this.scene.edgeMaterial}},{key:"getPickViewMatrix",value:function(e){return this._viewMatrix?this._viewMatrix:e}},{key:"createQuantizationRange",value:function(e){void 0!==e.id&&null!==e.id?e.aabb?this.error("[createQuantizationRange] Config missing: aabb"):this._quantizationRanges[e.id]?this.error("[createQuantizationRange] QuantizationRange already created: "+e.id):this._quantizationRanges[e.id]={id:e.id,aabb:e.aabb,matrix:Go(e.aabb,Z.mat4())}:this.error("[createQuantizationRange] Config missing: id")}},{key:"createGeometry",value:function(e){if(void 0!==e.id&&null!==e.id)if(this._geometries[e.id])this.error("[createGeometry] Geometry already created: "+e.id);else if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"===e.primitive||"lines"===e.primitive||"triangles"===e.primitive||"solid"===e.primitive||"surface"===e.primitive){if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("[createGeometry] Param expected: `positions`,  `positionsCompressed' or 'buckets"),null;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("[createGeometry] Param expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.positionsDecodeMatrix&&e.positionsDecodeBoundary)return this.error("[createGeometry] Only one of these params expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("[createGeometry] Param expected: `uvDecodeMatrix` (required for `uvCompressed')"),null;if(!e.buckets&&!e.indices&&"points"!==e.primitive)return this.error("[createGeometry] Param expected: indices (required for '".concat(e.primitive,"' primitive type)")),null;if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=Go(e.positionsDecodeBoundary,Z.mat4())),e.positions){var t=Z.collapseAABB3();e.positionsDecodeMatrix=Z.mat4(),Z.expandAABB3Points3(t,e.positions),e.positionsCompressed=Uo(e.positions,t,e.positionsDecodeMatrix)}else e.positionsDecodeMatrix=new Float64Array(e.positionsDecodeMatrix),e.positionsCompressed=new Uint16Array(e.positionsCompressed);if(e.colorsCompressed&&e.colorsCompressed.length>0)e.colorsCompressed=new Uint8Array(e.colorsCompressed);else if(e.colors&&e.colors.length>0){for(var n=e.colors,r=new Uint8Array(n.length),i=0,a=n.length;i<a;i++)r[i]=255*n[i];e.colorsCompressed=r}if(e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=sn(e.positions,e.indices,null,5):e.edgeIndices=sn(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.buckets&&(this._dtxBuckets[e.id]=e.buckets),e.uv){var s=An.getUVBounds(e.uv),o=An.compressUVs(e.uv,s.min,s.max);e.uvCompressed=o.quantized,e.uvDecodeMatrix=o.decodeMatrix}else e.uvCompressed&&(e.uvCompressed=new Uint16Array(e.uvCompressed),e.uvDecodeMatrix=new Float64Array(e.uvDecodeMatrix));e.normals&&(e.normals=null),this._geometries[e.id]=e,this._numTriangles+=e.indices?Math.round(e.indices.length/3):0,this.numGeometries++}else this.error("[createGeometry] Unsupported value for 'primitive': '".concat(primitive,"' - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'. Defaulting to 'triangles'."));else this.error("[createGeometry] Config missing: id")}},{key:"createTexture",value:function(e){var t=this,n=e.id;if(null!=n)if(this._textures[n])this.error("[createTexture] Texture already created: "+n);else{if(!e.src&&!e.image&&!e.buffers)return this.error("[createTexture] Param expected: `src`, `image' or 'buffers'"),null;var r=e.minFilter||1008;1006!==r&&1007!==r&&1008!==r&&1005!==r&&1004!==r&&(this.error("[createTexture] Unsupported value for 'minFilter' - \n            supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, \n            NearestMipMapLinearFilter and LinearMipmapLinearFilter. Defaulting to LinearMipmapLinearFilter."),r=1008);var i=e.magFilter||1006;1006!==i&&1003!==i&&(this.error("[createTexture] Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),i=1006);var a=e.wrapS||1e3;1001!==a&&1002!==a&&1e3!==a&&(this.error("[createTexture] Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),a=1e3);var s=e.wrapT||1e3;1001!==s&&1002!==s&&1e3!==s&&(this.error("[createTexture] Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),s=1e3);var o=e.wrapR||1e3;1001!==o&&1002!==o&&1e3!==o&&(this.error("[createTexture] Unsupported value for 'wrapR' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),o=1e3);var l=e.encoding||3e3;3e3!==l&&3001!==l&&(this.error("[createTexture] Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),l=3e3);var u=new Ha({gl:this.scene.canvas.gl,minFilter:r,magFilter:i,wrapS:a,wrapT:s,wrapR:o,encoding:l});if(e.preloadColor&&u.setPreloadColor(e.preloadColor),e.image){var c=e.image;c.crossOrigin="Anonymous",u.setImage(c,{minFilter:r,magFilter:i,wrapS:a,wrapT:s,wrapR:o,flipY:e.flipY,encoding:l})}else if(e.src){var f=e.src.split(".").pop();switch(f){case"jpeg":case"jpg":case"png":case"gif":var p=new Image;p.onload=function(){u.setImage(p,{minFilter:r,magFilter:i,wrapS:a,wrapT:s,wrapR:o,flipY:e.flipY,encoding:l}),t.glRedraw()},p.src=e.src;break;default:this._textureTranscoder?ae.loadArraybuffer(e.src,(function(e){e.byteLength?t._textureTranscoder.transcode([e],u).then((function(){t.glRedraw()})):t.error("[createTexture] Can't create texture from 'src': file data is zero length")}),(function(e){this.error("[createTexture] Can't create texture from 'src': ".concat(e))})):this.error("[createTexture] Can't create texture from 'src' - SceneModel needs to be configured with a TextureTranscoder for this file type ('".concat(f,"')"))}}else e.buffers&&(this._textureTranscoder?this._textureTranscoder.transcode(e.buffers,u).then((function(){t.glRedraw()})):this.error("[createTexture] Can't create texture from 'buffers' - SceneModel needs to be configured with a TextureTranscoder for this option"));this._textures[n]=new pc({id:n,texture:u})}else this.error("[createTexture] Config missing: id")}},{key:"createTextureSet",value:function(e){var t=e.id;if(null!=t)if(this._textureSets[t])this.error("[createTextureSet] Texture set already created: ".concat(t));else{var n,r,i,a,s;if(void 0!==e.colorTextureId&&null!==e.colorTextureId){if(!(n=this._textures[e.colorTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.colorTextureId," - ensure that you create it first with createTexture()"))}else n=this._textures.defaultColorTexture;if(void 0!==e.metallicRoughnessTextureId&&null!==e.metallicRoughnessTextureId){if(!(r=this._textures[e.metallicRoughnessTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.metallicRoughnessTextureId," - ensure that you create it first with createTexture()"))}else r=this._textures.defaultMetalRoughTexture;if(void 0!==e.normalsTextureId&&null!==e.normalsTextureId){if(!(i=this._textures[e.normalsTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.normalsTextureId," - ensure that you create it first with createTexture()"))}else i=this._textures.defaultNormalsTexture;if(void 0!==e.emissiveTextureId&&null!==e.emissiveTextureId){if(!(a=this._textures[e.emissiveTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.emissiveTextureId," - ensure that you create it first with createTexture()"))}else a=this._textures.defaultEmissiveTexture;if(void 0!==e.occlusionTextureId&&null!==e.occlusionTextureId){if(!(s=this._textures[e.occlusionTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.occlusionTextureId," - ensure that you create it first with createTexture()"))}else s=this._textures.defaultOcclusionTexture;var o=new fc({id:t,model:this,colorTexture:n,metallicRoughnessTexture:r,normalsTexture:i,emissiveTexture:a,occlusionTexture:s});this._textureSets[t]=o}else this.error("[createTextureSet] Config missing: id")}},{key:"createMesh",value:function(e){if(void 0!==e.id&&null!==e.id)if(this._scheduledMeshes[e.id])this.error("[createMesh] SceneModel already has a mesh with this ID: ".concat(e.id));else{var t=!(void 0!==e.geometryId);if(e.sceneModelMatrix=this._matrixNonIdentity?this._matrix:null,t){var n=!!this._dtxEnabled;if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"!==e.primitive&&"lines"!==e.primitive&&"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)return void this.error("Unsupported value for 'primitive': '".concat(primitive,"'  ('geometryId' is absent) - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'."));if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("Param expected: 'positions',  'positionsCompressed' or `buckets`  ('geometryId' is absent)"),null;if(e.positions&&(e.positionsDecodeMatrix||e.positionsDecodeBoundary))return this.error("Illegal params: 'positions' not expected with 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),null;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("Param expected: 'positionsCompressed' should be accompanied by 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),null;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("Param expected: 'uvCompressed' should be accompanied by `uvDecodeMatrix` ('geometryId' is absent)"),null;if(!e.buckets&&!e.indices&&"points"!==e.primitive)return this.error("Param expected: indices (required for '".concat(e.primitive,"' primitive type)")),null;if((e.matrix||e.position||e.rotation||e.scale)&&(e.positionsCompressed||e.positionsDecodeBoundary))return this.error("Unexpected params: 'matrix', 'rotation', 'scale', 'position' not allowed with 'positionsCompressed'"),null;if(e.origin=e.origin?Z.addVec3(this._origin,e.origin,Z.vec3()):this._origin,e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position){var r=e.scale||pp,i=e.position||Ap,a=e.rotation||dp;Z.eulerToQuaternion(a,"XYZ",vp),e.meshMatrix=Z.composeMat4(i,vp,r,Z.mat4())}if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=Go(e.positionsDecodeBoundary,Z.mat4())),n){if(e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Ip,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.positions){var s=Z.vec3(),o=[];me(e.positions,o,s)&&(e.positions=o,e.origin=Z.addVec3(e.origin,s,s))}if(e.positions){var l=Z.collapseAABB3();e.positionsDecodeMatrix=Z.mat4(),Z.expandAABB3Points3(l,e.positions),e.positionsCompressed=Uo(e.positions,l,e.positionsDecodeMatrix)}e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=sn(e.positions,e.indices,null,2):e.edgeIndices=sn(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.buckets||(e.buckets=mp(e,this._enableVertexWelding&&this._enableIndexBucketing))}else{if(e.type=1,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):[255,255,255],e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.positions){var u=[];me(e.positions,u,fp)&&(e.positions=u,e.origin=Z.addVec3(e.origin,fp,Z.vec3()))}if(e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=sn(e.positions,e.indices,null,2):e.edgeIndices=sn(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId],!e.textureSet))return void this.error("[createMesh] Texture set not found: ".concat(e.textureSetId," - ensure that you create it first with createTextureSet()"))}}else{if(e.positions||e.positionsCompressed||e.indices||e.edgeIndices||e.normals||e.normalsCompressed||e.uv||e.uvCompressed||e.positionsDecodeMatrix)return void this.error("Mesh geometry parameters not expected when instancing a geometry (not expected: positions, positionsCompressed, indices, edgeIndices, normals, normalsCompressed, uv, uvCompressed, positionsDecodeMatrix)");if(e.geometry=this._geometries[e.geometryId],!e.geometry)return void this.error("[createMesh] Geometry not found: ".concat(e.geometryId," - ensure that you create it first with createGeometry()"));if(e.origin=e.origin?Z.addVec3(this._origin,e.origin,Z.vec3()):this._origin,e.positionsDecodeMatrix=e.geometry.positionsDecodeMatrix,e.matrix)e.meshMatrix=e.matrix.slice();else{var c=e.scale||pp,f=e.position||Ap,p=e.rotation||dp;Z.eulerToQuaternion(p,"XYZ",vp),e.meshMatrix=Z.composeMat4(f,vp,c,Z.mat4())}if(!!this._dtxEnabled){e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Ip,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255;var A=this._dtxBuckets[e.geometryId];A||(A=mp(e.geometry,this._enableVertexWelding,this._enableIndexBucketing),this._dtxBuckets[e.geometryId]=A),e.buckets=A}else e.type=0,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Ip,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId]),function(e){if(e.obb=Z.OBB3(),e.positionsCompressed&&e.positionsCompressed.length>0){var t=Z.collapseAABB3();Z.expandAABB3Points3(t,e.positionsCompressed),An.decompressAABB(t,e.positionsDecodeMatrix),Z.AABB3ToOBB3(t,e.obb)}else if(e.positions&&e.positions.length>0){var n=Z.collapseAABB3();Z.expandAABB3Points3(n,e.positions),Z.AABB3ToOBB3(n,e.obb)}}(e.geometry)}e.numPrimitives=this._getNumPrimitives(e),this._vfcManager&&!this._vfcManager.finalized?this._vfcManager.addMesh(e):this._createMesh(e)}else this.error("[createMesh] SceneModel.createMesh() config missing: id")}},{key:"_createMesh",value:function(e){var t=new Js(this,e.id,e.color,e.opacity);t.pickId=this.scene._renderer.getPickID(t);var n=t.pickId,r=n>>24&255,i=n>>16&255,a=n>>8&255,s=255&n;switch(e.pickColor=new Uint8Array([s,a,i,r]),e.worldAABB=Z.collapseAABB3(),e.aabb=e.worldAABB,e.solid="solid"===e.primitive,t.origin=Z.vec3(e.origin),e.type){case 2:t.layer=this._getDTXLayer(e);break;case 1:t.layer=this._getVBOBatchingLayer(e);break;case 0:t.layer=this._getVBOInstancingLayer(e)}t.portionId=t.layer.createPortion(e),t.aabb=e.worldAABB,t.numPrimitives=e.numPrimitives,Z.expandAABB3(this._aabb,t.aabb),this._meshes[e.id]=t,this._meshList.push(t)}},{key:"_getNumPrimitives",value:function(e){var t=0;switch(e.geometry?e.geometry.primitive:e.primitive){case"triangles":case"solid":case"surface":switch(e.type){case 2:for(var n=0,r=e.buckets.length;n<r;n++)t+=e.buckets[n].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/3);case"points":switch(e.type){case 2:for(var i=0,a=e.buckets.length;i<a;i++)t+=e.buckets[i].positionsCompressed.length;break;case 1:case 0:t+=e.positions?e.positions.length:e.positionsCompressed.length}return Math.round(t);case"lines":case"line-strip":switch(e.type){case 2:for(var s=0,o=e.buckets.length;s<o;s++)t+=e.buckets[s].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/2)}return 0}},{key:"_getDTXLayer",value:function(e){var t=e.origin,n="".concat(Math.round(t[0]),".").concat(Math.round(t[1]),".").concat(Math.round(t[2])),r=this._dtxLayers[n];if(r){if(r.canCreatePortion(e))return r;r.finalize(),delete this._dtxLayers[n],r=null}return console.log("[SceneModel ".concat(this.id,"]: creating TrianglesDataTextureLayer")),r=new cp(this,{layerIndex:0,origin:t}),this._dtxLayers[n]=r,this.layerList.push(r),r}},{key:"_getVBOBatchingLayer",value:function(e){var t=this,n=e.origin,r=e.positionsDecodeMatrix||e.positionsDecodeBoundary?this._createHashStringFromMatrix(e.positionsDecodeMatrix||e.positionsDecodeBoundary):"-",i=e.textureSetId||"-",a="".concat(Math.round(n[0]),".").concat(Math.round(n[1]),".").concat(Math.round(n[2]),".").concat(e.primitive,".").concat(r,".").concat(i),s=this._vboBatchingLayers[a];if(s)return s;for(var o=e.textureSet;!s;){switch(e.primitive){case"triangles":case"solid":case"surface":console.log("[SceneModel ".concat(this.id,"]: creating TrianglesBatchingLayer")),s=new yl({model:t,textureSet:o,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:n,maxGeometryBatchSize:this._maxGeometryBatchSize,solid:"solid"===e.primitive,autoNormals:!0});break;case"lines":console.log("[SceneModel ".concat(this.id,"]: creating LinesBatchingLayer")),s=new Tu({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:n,maxGeometryBatchSize:this._maxGeometryBatchSize});break;case"points":console.log("[SceneModel ".concat(this.id,"]: creating PointsBatchingLayer")),s=new Yu({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:n,maxGeometryBatchSize:this._maxGeometryBatchSize})}var l=e.positionsCompressed?e.positionsCompressed.length:e.positions.length;("points"===e.primitive?s.canCreatePortion(l):s.canCreatePortion(l,e.indices.length))||(s.finalize(),delete this._vboBatchingLayers[a],s=null)}return this._vboBatchingLayers[a]=s,this.layerList.push(s),s}},{key:"_createHashStringFromMatrix",value:function(e){for(var t=e.join(""),n=0,r=0;r<t.length;r++){n=(n<<5)-n+t.charCodeAt(r),n|=0}return(n>>>0).toString(16)}},{key:"_getVBOInstancingLayer",value:function(e){var t=this,n=e.origin,r=e.textureSetId||"-",i=e.geometryId,a="".concat(Math.round(n[0]),".").concat(Math.round(n[1]),".").concat(Math.round(n[2]),".").concat(r,".").concat(i),s=this._vboInstancingLayers[a];if(s)return s;for(var o=e.textureSet,l=e.geometry;!s;)switch(l.primitive){case"triangles":case"surface":console.log("[SceneModel ".concat(this.id,"]: creating TrianglesInstancingLayer")),s=new pu({model:t,textureSet:o,geometry:l,origin:n,layerIndex:0,solid:!1});break;case"solid":console.log("[SceneModel ".concat(this.id,"]: creating TrianglesInstancingLayer")),s=new pu({model:t,textureSet:o,geometry:l,origin:n,layerIndex:0,solid:!0});break;case"lines":console.log("[SceneModel ".concat(this.id,"]: creating LinesInstancingLayer")),s=new Nu({model:t,textureSet:o,geometry:l,origin:n,layerIndex:0});break;case"points":console.log("[SceneModel ".concat(this.id,"]: creating PointsInstancingLayer")),s=new cc({model:t,textureSet:o,geometry:l,origin:n,layerIndex:0})}return this._vboInstancingLayers[a]=s,this.layerList.push(s),s}},{key:"createEntity",value:function(e){if(void 0===e.id?e.id=Z.createUUID():this.scene.components[e.id]&&(this.error("Scene already has a Component with this ID: ".concat(e.id," - will assign random ID")),e.id=Z.createUUID()),void 0!==e.meshIds){var t=0;if(this._visible&&!1!==e.visible&&(t|=Te),this._pickable&&!1!==e.pickable&&(t|=be),this._culled&&!1!==e.culled&&(t|=Ee),this._clippable&&!1!==e.clippable&&(t|=De),this._collidable&&!1!==e.collidable&&(t|=Pe),this._edges&&!1!==e.edges&&(t|=Be),this._xrayed&&!1!==e.xrayed&&(t|=Re),this._highlighted&&!1!==e.highlighted&&(t|=Ce),this._selected&&!1!==e.selected&&(t|=_e),e.flags=t,this._vfcManager&&!this._vfcManager.finalized){for(var n=0,r=e.meshIds.length;n<r;n++){var i=e.meshIds[n];if(this._scheduledMeshes[i])return void this.error("[createEntity] Mesh not found: ".concat(i))}this._vfcManager.addEntity(e)}else this._createEntity(e)}else this.error("Config missing: meshIds")}},{key:"_createEntity",value:function(e){for(var t=[],n=Z.collapseAABB3(),r=0,i=e.meshIds.length;r<i;r++){var a=e.meshIds[r],s=this._meshes[a];s?s.parent?this.error('Mesh with ID "'.concat(a,'" already belongs to object with ID "').concat(s.parent.id,'" - ignoring this mesh')):(Z.expandAABB3(n,s.aabb),t.push(s)):this.error('Mesh with this ID not found: "'.concat(a,'" - ignoring this mesh'))}var o=new Le(this,e.isObject,e.id,t,e.flags,n,!0);this._entityList.push(o),this._entities[e.id]=o,this.numEntities++}},{key:"finalize",value:function(){if(!this.destroyed){this._vfcManager&&this._vfcManager.finalize((function(){}));for(var e=0,t=this.layerList.length;e<t;e++){this.layerList[e].finalize()}this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._dtxLayers={},this._vboInstancingLayers={},this._vboBatchingLayers={};for(var n=0,r=this._entityList.length;n<r;n++){this._entityList[n]._finalize()}for(var i=0,a=this._entityList.length;i<a;i++){this._entityList[i]._finalize2()}this.layerList.sort((function(e,t){return e.sortId<t.sortId?-1:e.sortId>t.sortId?1:0}));for(var s=0,o=this.layerList.length;s<o;s++){this.layerList[s].layerIndex=s}this.glRedraw(),this.scene._aabbDirty=!0,this.scene.lod.enabled&&(this._lodManager=this.scene.lod.getLODManager(this))}}},{key:"stateSortCompare",value:function(e,t){}},{key:"rebuildRenderFlags",value:function(){this.renderFlags.reset(),this._updateRenderFlagsVisibleLayers(),this.renderFlags.numLayers>0&&0===this.renderFlags.numVisibleLayers?this.renderFlags.culled=!0:this._updateRenderFlags()}},{key:"_updateRenderFlagsVisibleLayers",value:function(){var e=this.renderFlags;e.numLayers=this.layerList.length,e.numVisibleLayers=0;for(var t=0,n=this.layerList.length;t<n;t++){var r=this.layerList[t];this._getActiveSectionPlanesForLayer(r)&&(e.visibleLayers[e.numVisibleLayers++]=t)}}},{key:"_getActiveSectionPlanesForLayer",value:function(e){var t=this.renderFlags,n=this.scene._sectionPlanesState.sectionPlanes,r=n.length,i=e.layerIndex*r;if(r>0)for(var a=0;a<r;a++){n[a].active?(t.sectionPlanesActivePerLayer[i+a]=!0,t.sectioned=!0):t.sectionPlanesActivePerLayer[i+a]=!1}return!0}},{key:"_updateRenderFlags",value:function(){if(0!==this.numVisibleLayerPortions&&this.numCulledLayerPortions!==this.numPortions){var e=this.renderFlags;if(e.colorOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.colorTransparent=!0),this.numXRayedLayerPortions>0){var t=this.scene.xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}if(this.numEdgesLayerPortions>0)this.scene.edgeMaterial._state.edges&&(e.edgesOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.edgesTransparent=!0));if(this.numSelectedLayerPortions>0){var n=this.scene.selectedMaterial._state;n.fill&&(n.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),n.edges&&(n.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}if(this.numHighlightedLayerPortions>0){var r=this.scene.highlightMaterial._state;r.fill&&(r.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),r.edges&&(r.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}}},{key:"drawColorOpaque",value:function(e){for(var t=this.renderFlags,n=0,r=t.visibleLayers.length;n<r;n++){var i=t.visibleLayers[n];this.layerList[i].drawColorOpaque(t,e)}}},{key:"drawColorTransparent",value:function(e){for(var t=this.renderFlags,n=0,r=t.visibleLayers.length;n<r;n++){var i=t.visibleLayers[n];this.layerList[i].drawColorTransparent(t,e)}}},{key:"drawDepth",value:function(e){for(var t=this.renderFlags,n=0,r=t.visibleLayers.length;n<r;n++){var i=t.visibleLayers[n];this.layerList[i].drawDepth(t,e)}}},{key:"drawNormals",value:function(e){for(var t=this.renderFlags,n=0,r=t.visibleLayers.length;n<r;n++){var i=t.visibleLayers[n];this.layerList[i].drawNormals(t,e)}}},{key:"drawSilhouetteXRayed",value:function(e){for(var t=this.renderFlags,n=0,r=t.visibleLayers.length;n<r;n++){var i=t.visibleLayers[n];this.layerList[i].drawSilhouetteXRayed(t,e)}}},{key:"drawSilhouetteHighlighted",value:function(e){for(var t=this.renderFlags,n=0,r=t.visibleLayers.length;n<r;n++){var i=t.visibleLayers[n];this.layerList[i].drawSilhouetteHighlighted(t,e)}}},{key:"drawSilhouetteSelected",value:function(e){for(var t=this.renderFlags,n=0,r=t.visibleLayers.length;n<r;n++){var i=t.visibleLayers[n];this.layerList[i].drawSilhouetteSelected(t,e)}}},{key:"drawEdgesColorOpaque",value:function(e){for(var t=this.renderFlags,n=0,r=t.visibleLayers.length;n<r;n++){var i=t.visibleLayers[n];this.layerList[i].drawEdgesColorOpaque(t,e)}}},{key:"drawEdgesColorTransparent",value:function(e){for(var t=this.renderFlags,n=0,r=t.visibleLayers.length;n<r;n++){var i=t.visibleLayers[n];this.layerList[i].drawEdgesColorTransparent(t,e)}}},{key:"drawEdgesXRayed",value:function(e){for(var t=this.renderFlags,n=0,r=t.visibleLayers.length;n<r;n++){var i=t.visibleLayers[n];this.layerList[i].drawEdgesXRayed(t,e)}}},{key:"drawEdgesHighlighted",value:function(e){for(var t=this.renderFlags,n=0,r=t.visibleLayers.length;n<r;n++){var i=t.visibleLayers[n];this.layerList[i].drawEdgesHighlighted(t,e)}}},{key:"drawEdgesSelected",value:function(e){for(var t=this.renderFlags,n=0,r=t.visibleLayers.length;n<r;n++){var i=t.visibleLayers[n];this.layerList[i].drawEdgesSelected(t,e)}}},{key:"drawOcclusion",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,n=0,r=t.visibleLayers.length;n<r;n++){var i=t.visibleLayers[n];this.layerList[i].drawOcclusion(t,e)}}},{key:"drawShadow",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,n=0,r=t.visibleLayers.length;n<r;n++){var i=t.visibleLayers[n];this.layerList[i].drawShadow(t,e)}}},{key:"setPickMatrices",value:function(e,t){if(0!==this._numVisibleLayerPortions)for(var n=this.renderFlags,r=0,i=n.visibleLayers.length;r<i;r++){var a=n.visibleLayers[r],s=this.layerList[a];s.setPickMatrices&&s.setPickMatrices(e,t)}}},{key:"drawPickMesh",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,n=0,r=t.visibleLayers.length;n<r;n++){var i=t.visibleLayers[n];this.layerList[i].drawPickMesh(t,e)}}},{key:"drawPickDepths",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,n=0,r=t.visibleLayers.length;n<r;n++){var i=t.visibleLayers[n];this.layerList[i].drawPickDepths(t,e)}}},{key:"drawPickNormals",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,n=0,r=t.visibleLayers.length;n<r;n++){var i=t.visibleLayers[n];this.layerList[i].drawPickNormals(t,e)}}},{key:"drawSnapInitDepthBuf",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,n=0,r=t.visibleLayers.length;n<r;n++){var i=t.visibleLayers[n],a=this.layerList[i];a.drawSnapInitDepthBuf&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,a.drawSnapInitDepthBuf(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}},{key:"drawSnapDepths",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,n=0,r=t.visibleLayers.length;n<r;n++){var i=t.visibleLayers[n],a=this.layerList[i];a.drawSnapDepths&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,a.drawSnapDepths(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}},{key:"destroy",value:function(){for(var e in this._vboBatchingLayers)this._vboBatchingLayers.hasOwnProperty(e)&&this._vboBatchingLayers[e].destroy();for(var t in this._vboBatchingLayers={},this._vboInstancingLayers)this._vboInstancingLayers.hasOwnProperty(t)&&this._vboInstancingLayers[t].destroy();this._vboInstancingLayers={},this.scene.camera.off(this._onCameraViewMatrix);for(var r=0,i=this.layerList.length;r<i;r++)this.layerList[r].destroy();this.layerList=[];for(var a=0,s=this._entityList.length;a<s;a++)this._entityList[a]._destroy();this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._meshes={},this._entities={},this.scene._aabbDirty=!0,this._isModel&&this.scene._deregisterModel(this),0!==$s&&0==--$s&&Zs._clear(),this._vfcManager&&this.scene.vfc.putVFCManager(this._vfcManager),this._lodManager&&this.scene.lod.putLODManager(this._lodManager),v(T(n.prototype),"destroy",this).call(this)}}]),n}();function mp(e,t,n){var r,i,a,s;if(t){var o=p(Rc({positionsCompressed:e.positionsCompressed,indices:e.indices,edgeIndices:e.edgeIndices}),3);r=o[0],i=o[1],a=o[2]}else r=e.positionsCompressed,i=e.indices,a=e.edgeIndices;n?s=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]&&arguments[2],r=e.positionsCompressed||[],i=Bc(e.indices||[],t),a=Nc(e.edgeIndices||[]);function s(e,t){if(e>t){var n=e;e=t,t=n}function r(n,r){return n!==e?e-n:r!==t?t-r:0}for(var i=0,s=(a.length>>1)-1;i<=s;){var o=s+i>>1,l=r(a[2*o],a[2*o+1]);if(l>0)i=o+1;else{if(!(l<0))return o;s=o-1}}return-i-1}var o=new Int32Array(a.length/2);o.fill(0);var l=r.length/3;if(l>8*(1<<t))return[e];var u=new Int32Array(l);u.fill(-1);var c=[];function f(){u.fill(-1);var e={positionsCompressed:[],indices:[],edgeIndices:[],maxNumPositions:(1<<t)-t,numPositions:0,bucketNumber:c.length};return c.push(e),e}for(var p=f(),A=0,d=i.length;A<d;A+=3){var v=0,h=i[A],I=i[A+1],y=i[A+2];if(-1===u[h]&&v++,-1===u[I]&&v++,-1===u[y]&&v++,v+p.numPositions>p.maxNumPositions&&(p=f()),p.bucketNumber>8)return[e];-1===u[h]&&(u[h]=p.numPositions++,p.positionsCompressed.push(r[3*h]),p.positionsCompressed.push(r[3*h+1]),p.positionsCompressed.push(r[3*h+2])),-1===u[I]&&(u[I]=p.numPositions++,p.positionsCompressed.push(r[3*I]),p.positionsCompressed.push(r[3*I+1]),p.positionsCompressed.push(r[3*I+2])),-1===u[y]&&(u[y]=p.numPositions++,p.positionsCompressed.push(r[3*y]),p.positionsCompressed.push(r[3*y+1]),p.positionsCompressed.push(r[3*y+2])),p.indices.push(u[h]),p.indices.push(u[I]),p.indices.push(u[y]);var m=void 0;(m=s(h,I))>=0&&0===o[m]&&(o[m]=1,p.edgeIndices.push(u[a[2*m]]),p.edgeIndices.push(u[a[2*m+1]])),(m=s(h,y))>=0&&0===o[m]&&(o[m]=1,p.edgeIndices.push(u[a[2*m]]),p.edgeIndices.push(u[a[2*m+1]])),(m=s(I,y))>=0&&0===o[m]&&(o[m]=1,p.edgeIndices.push(u[a[2*m]]),p.edgeIndices.push(u[a[2*m+1]]))}var w=t/8*2,g=t/8,T=2*r.length+(i.length+a.length)*w,E=0;return r.length,c.forEach((function(e){E+=2*e.positionsCompressed.length+(e.indices.length+e.edgeIndices.length)*g,e.positionsCompressed.length})),E>T?[e]:(n&&Lc(c,e),c)}({positionsCompressed:r,indices:i,edgeIndices:a},r.length/3>65536?16:8):s=[{positionsCompressed:r,indices:i,edgeIndices:a}];return s}var wp=function(e){I(n,yp);var t=m(n);function n(e){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return b(this,n),t.call(this,e,r)}return P(n)}(),gp=function(e){I(n,ve);var t=m(n);function n(e){var r,i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return b(this,n),(r=t.call(this,e,i))._skyboxMesh=new fa(g(r),{geometry:new hn(g(r),{primitive:"triangles",positions:[1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,-1,1,-1,-1,1,1,-1,1,1,-1,1,-1,-1,-1,-1,-1,-1,1,-1,-1,-1,1,-1,-1,1,-1,1,-1,-1,1,1,-1,-1,-1,-1,-1,-1,1,-1,1,1,-1],uv:[.5,.6666,.25,.6666,.25,.3333,.5,.3333,.5,.6666,.5,.3333,.75,.3333,.75,.6666,.5,.6666,.5,1,.25,1,.25,.6666,.25,.6666,0,.6666,0,.3333,.25,.3333,.25,0,.5,0,.5,.3333,.25,.3333,.75,.3333,1,.3333,1,.6666,.75,.6666],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]}),background:!0,scale:[2e3,2e3,2e3],rotation:[0,-90,0],material:new gn(g(r),{ambient:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],emissive:[1,1,1],emissiveMap:new Qa(g(r),{src:i.src,flipY:!0,wrapS:"clampToEdge",wrapT:"clampToEdge",encoding:i.encoding||"sRGB"}),backfaces:!0}),visible:!1,pickable:!1,clippable:!1,collidable:!1}),r.size=i.size,r.active=i.active,r}return P(n,[{key:"size",get:function(){return this._size},set:function(e){this._size=e||1e3,this._skyboxMesh.scale=[this._size,this._size,this._size]}},{key:"active",get:function(){return this._skyboxMesh.visible},set:function(e){this._skyboxMesh.visible=e}}]),n}(),Tp=function(){function e(){b(this,e)}return P(e,[{key:"transcode",value:function(e,t){}},{key:"destroy",value:function(){}}]),e}(),Ep=Z.vec4(),bp=Z.vec4(),Dp=Z.vec3(),Pp=Z.vec3(),Rp=Z.vec3(),Cp=Z.vec4(),_p=Z.vec4(),Bp=Z.vec4(),Op=function(){function e(t){b(this,e),this._scene=t}return P(e,[{key:"dollyToCanvasPos",value:function(e,t,n){var r=!1,i=this._scene.camera;if(e){var a=Z.subVec3(e,i.eye,Dp);r=Z.lenVec3(a)<n}if("perspective"===i.projection){i.ortho.scale=i.ortho.scale-n;var s=this._unproject(t,Cp),o=Z.subVec3(s,i.eye,Bp),l=Z.mulVec3Scalar(Z.normalizeVec3(o),-n,[]);if(i.eye=[i.eye[0]-l[0],i.eye[1]-l[1],i.eye[2]-l[2]],i.look=[i.look[0]-l[0],i.look[1]-l[1],i.look[2]-l[2]],e){var u=Z.subVec3(e,i.eye,Dp),c=Z.lenVec3(u),f=Z.mulVec3Scalar(Z.normalizeVec3(Z.subVec3(i.look,i.eye,Pp)),c);i.look=[i.eye[0]+f[0],i.eye[1]+f[1],i.eye[2]+f[2]]}}else if("ortho"===i.projection){var p=this._unproject(t,Cp);i.ortho.scale=i.ortho.scale-n,i.ortho._update();var A=this._unproject(t,_p),d=Z.subVec3(A,p,Bp),v=Z.mulVec3Scalar(Z.normalizeVec3(Z.subVec3(i.look,i.eye,Dp)),-n,Pp),h=Z.addVec3(d,v,Rp);i.eye=[i.eye[0]-h[0],i.eye[1]-h[1],i.eye[2]-h[2]],i.look=[i.look[0]-h[0],i.look[1]-h[1],i.look[2]-h[2]]}return r}},{key:"_unproject",value:function(e,t){var n=this._scene.camera,r=n.project.transposedMatrix,i=r.subarray(8,12),a=r.subarray(12),s=[0,0,-1,1],o=Z.dotVec4(s,i)/Z.dotVec4(s,a);return n.project.unproject(e,o,Ep,bp,t),t}},{key:"destroy",value:function(){}}]),e}(),Sp=Z.vec3(),Np=Z.vec3(),Lp=Z.vec3(),xp=Z.vec4(),Mp=Z.vec4(),Fp=Z.vec4(),Hp=function(){function e(t,n){var r=this;b(this,e),this._scene=t,this._configs=n,this._pivotWorldPos=Z.vec3(),this._cameraOffset=Z.vec3(),this._azimuth=0,this._polar=0,this._radius=0,this._pivotPosSet=!1,this._pivoting=!1,this._shown=!1,this._pivotViewPos=Z.vec4(),this._pivotProjPos=Z.vec4(),this._pivotCanvasPos=Z.vec2(),this._cameraDirty=!0,this._onViewMatrix=this._scene.camera.on("viewMatrix",(function(){r._cameraDirty=!0})),this._onProjMatrix=this._scene.camera.on("projMatrix",(function(){r._cameraDirty=!0})),this._onTick=this._scene.on("tick",(function(){r.updatePivotElement()}))}return P(e,[{key:"updatePivotElement",value:function(){var e=this._scene.camera,t=this._scene.canvas;if(this._pivoting&&this._cameraDirty){Z.transformPoint3(e.viewMatrix,this.getPivotPos(),this._pivotViewPos),this._pivotViewPos[3]=1,Z.transformPoint4(e.projMatrix,this._pivotViewPos,this._pivotProjPos);var n=t.boundary,r=n[2],i=n[3];this._pivotCanvasPos[0]=Math.floor((1+this._pivotProjPos[0]/this._pivotProjPos[3])*r/2),this._pivotCanvasPos[1]=Math.floor((1-this._pivotProjPos[1]/this._pivotProjPos[3])*i/2);var a=t._lastBoundingClientRect;if(!a||t._canvasSizeChanged){var s=t.canvas;a=t._lastBoundingClientRect=s.getBoundingClientRect()}this._pivotElement&&(this._pivotElement.style.left=Math.floor(a.left+this._pivotCanvasPos[0])-this._pivotElement.clientWidth/2+window.scrollX+"px",this._pivotElement.style.top=Math.floor(a.top+this._pivotCanvasPos[1])-this._pivotElement.clientHeight/2+window.scrollY+"px"),this._cameraDirty=!1}}},{key:"setPivotElement",value:function(e){this._pivotElement=e}},{key:"startPivot",value:function(){if(this._cameraLookingDownwards())return this._pivoting=!1,!1;var e=this._scene.camera,t=Z.lookAtMat4v(e.eye,e.look,e.worldUp);Z.transformPoint3(t,this.getPivotPos(),this._cameraOffset);var n=this.getPivotPos();this._cameraOffset[2]+=Z.distVec3(e.eye,n),t=Z.inverseMat4(t);var r=Z.transformVec3(t,this._cameraOffset),i=Z.vec3();if(Z.subVec3(e.eye,n,i),Z.addVec3(i,r),e.zUp){var a=i[1];i[1]=i[2],i[2]=a}this._radius=Z.lenVec3(i),this._polar=Math.acos(i[1]/this._radius),this._azimuth=Math.atan2(i[0],i[2]),this._pivoting=!0}},{key:"_cameraLookingDownwards",value:function(){var e=this._scene.camera,t=Z.normalizeVec3(Z.subVec3(e.look,e.eye,Sp)),n=Z.cross3Vec3(t,e.worldUp,Np);return Z.sqLenVec3(n)<=1e-4}},{key:"getPivoting",value:function(){return this._pivoting}},{key:"setPivotPos",value:function(e){this._pivotWorldPos.set(e),this._pivotPosSet=!0}},{key:"setCanvasPivotPos",value:function(e){var t=this._scene.camera,n=Math.abs(Z.distVec3(this._scene.center,t.eye)),r=t.project.transposedMatrix,i=r.subarray(8,12),a=r.subarray(12),s=[0,0,-1,1],o=Z.dotVec4(s,i)/Z.dotVec4(s,a),l=xp;t.project.unproject(e,o,Mp,Fp,l);var u=Z.normalizeVec3(Z.subVec3(l,t.eye,Sp)),c=Z.addVec3(t.eye,Z.mulVec3Scalar(u,n,Np),Lp);this.setPivotPos(c)}},{key:"getPivotPos",value:function(){return this._pivotPosSet?this._pivotWorldPos:this._scene.camera.look}},{key:"continuePivot",value:function(e,t){if(this._pivoting&&(0!==e||0!==t)){var n=this._scene.camera,r=-e,i=-t;1===n.worldUp[2]&&(r=-r),this._azimuth+=.01*-r,this._polar+=.01*i,this._polar=Z.clamp(this._polar,.001,Math.PI-.001);var a=[this._radius*Math.sin(this._polar)*Math.sin(this._azimuth),this._radius*Math.cos(this._polar),this._radius*Math.sin(this._polar)*Math.cos(this._azimuth)];if(1===n.worldUp[2]){var s=a[1];a[1]=a[2],a[2]=s}var o=Z.lenVec3(Z.subVec3(n.look,n.eye,Z.vec3())),l=this.getPivotPos();Z.addVec3(a,l);var u=Z.lookAtMat4v(a,l,n.worldUp);u=Z.inverseMat4(u);var c=Z.transformVec3(u,this._cameraOffset);u[12]-=c[0],u[13]-=c[1],u[14]-=c[2];var f=[u[8],u[9],u[10]];n.eye=[u[12],u[13],u[14]],Z.subVec3(n.eye,Z.mulVec3Scalar(f,o),n.look),n.up=[u[4],u[5],u[6]],this.showPivot()}}},{key:"showPivot",value:function(){var e=this;this._shown||(null!==this._hideTimeout&&(window.clearTimeout(this._hideTimeout),this._hideTimeout=null),this._pivotElement&&(this.updatePivotElement(),this._pivotElement.style.visibility="visible",this._shown=!0,this._hideTimeout=window.setTimeout((function(){e.hidePivot()}),1e3)))}},{key:"hidePivot",value:function(){this._shown&&(null!==this._hideTimeout&&(window.clearTimeout(this._hideTimeout),this._hideTimeout=null),this._pivotElement&&(this._pivotElement.style.visibility="hidden"),this._shown=!1)}},{key:"endPivot",value:function(){this._pivoting=!1}},{key:"destroy",value:function(){this._scene.camera.off(this._onViewMatrix),this._scene.camera.off(this._onProjMatrix),this._scene.off(this._onTick)}}]),e}(),Up=function(){function e(t,n){b(this,e),this._scene=t.scene,this._cameraControl=t,this._scene.canvas.canvas.oncontextmenu=function(e){e.preventDefault()},this._configs=n,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick=!1,this.pickCursorPos=Z.vec2(),this.picked=!1,this.pickedSurface=!1,this.pickResult=null,this._lastPickedEntityId=null,this._needFireEvents=!1}return P(e,[{key:"update",value:function(){if(this._configs.pointerEnabled&&(this.schedulePickEntity||this.schedulePickSurface)){this.picked=!1,this.pickedSurface=!1,this.snappedOrPicked=!1,this.hoveredSnappedOrSurfaceOff=!1,this._needFireEvents=!1;var e=this._cameraControl.hasSubs("hoverSurface");if(this.scheduleSnapOrPick){var t=this._scene.snapPick({canvasPos:this.pickCursorPos,snapRadius:this._configs.snapRadius,snapMode:this._configs.snapMode});t&&t.snappedWorldPos?(this.snapPickResult=t,this.snappedOrPicked=!0,this._needFireEvents=!0):(this.schedulePickSurface=!0,this.snapPickResult=null)}if(this.schedulePickSurface&&this.pickResult&&this.pickResult.worldPos){var n=this.pickResult.canvasPos;if(n[0]===this.pickCursorPos[0]&&n[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!0,this._needFireEvents=e,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.hoveredSnappedOrSurfaceOff=!0,void(this.scheduleSnapOrPick=!1)}if(this.schedulePickEntity&&this.pickResult&&(this.pickResult.canvasPos||this.pickResult.snappedCanvasPos)){var r=this.pickResult.canvasPos||this.pickResult.snappedCanvasPos;if(r[0]===this.pickCursorPos[0]&&r[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!1,this._needFireEvents=!1,this.schedulePickEntity=!1,void(this.schedulePickSurface=!1)}this.schedulePickSurface||this.scheduleSnapOrPick&&!this.snapPickResult?(this.pickResult=this._scene.pick({pickSurface:!0,pickSurfaceNormal:!1,canvasPos:this.pickCursorPos}),this.pickResult?(this.picked=!0,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.pickedSurface=!0,this._needFireEvents=!0):this.scheduleSnapOrPick&&(this.hoveredSnappedOrSurfaceOff=!0,this._needFireEvents=!0)):(this.pickResult=this._scene.pick({canvasPos:this.pickCursorPos}),this.pickResult&&(this.picked=!0,this.pickedSurface=!1,this._needFireEvents=!0)),this.scheduleSnapOrPick=!1,this.schedulePickEntity=!1,this.schedulePickSurface=!1}}},{key:"fireEvents",value:function(){if(this._needFireEvents){if(this.hoveredSnappedOrSurfaceOff&&this._cameraControl.fire("hoverSnapOrSurfaceOff",{canvasPos:this.pickCursorPos},!0),this.snappedOrPicked)if(this.snapPickResult){var e=new at;e.worldPos=this.snapPickResult.snappedWorldPos,e.canvasPos=this.snapPickResult.snappedCanvasPos,this._cameraControl.fire("hoverSnapOrSurface",e,!0),this.snapPickResult=null}else this._cameraControl.fire("hoverSnapOrSurface",this.pickResult,!0);if(this.picked&&this.pickResult&&(this.pickResult.entity||this.pickResult.worldPos)){if(this.pickResult.entity){var t=this.pickResult.entity.id;this._lastPickedEntityId!==t&&(void 0!==this._lastPickedEntityId&&this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._cameraControl.fire("hoverEnter",this.pickResult,!0),this._lastPickedEntityId=t)}this._cameraControl.fire("hover",this.pickResult,!0),this.pickResult.worldPos&&(this.pickedSurface=!0,this._cameraControl.fire("hoverSurface",this.pickResult,!0))}else void 0!==this._lastPickedEntityId&&(this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),this._cameraControl.fire("hoverOff",{canvasPos:this.pickCursorPos},!0);this.pickResult=null,this._needFireEvents=!1}}},{key:"destroy",value:function(){}}]),e}(),Gp=Z.vec2(),kp=function(){function e(t,n,r,i,a){b(this,e),this._scene=t;var s,o,l,u=n.pickController,c=0,f=0,p=0,A=0,d=!1,v=Z.vec3(),h=!0,I=this._scene.canvas.canvas,y=[];function m(){var e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];I.style.cursor="move",w(),e&&g()}function w(){c=i.pointerCanvasPos[0],f=i.pointerCanvasPos[1],p=i.pointerCanvasPos[0],A=i.pointerCanvasPos[1]}function g(){u.pickCursorPos=i.pointerCanvasPos,u.schedulePickSurface=!0,u.update(),u.picked&&u.pickedSurface&&u.pickResult&&u.pickResult.worldPos?(d=!0,v.set(u.pickResult.worldPos)):d=!1}document.addEventListener("keydown",this._documentKeyDownHandler=function(e){if(r.active&&r.pointerEnabled&&t.input.keyboardEnabled){var n=e.keyCode;y[n]=!0}}),document.addEventListener("keyup",this._documentKeyUpHandler=function(e){if(r.active&&r.pointerEnabled&&t.input.keyboardEnabled){var n=e.keyCode;y[n]=!1}}),I.addEventListener("mousedown",this._mouseDownHandler=function(e){if(r.active&&r.pointerEnabled)switch(e.which){case 1:y[t.input.KEY_SHIFT]||r.planView?(s=!0,m()):(s=!0,m(!1));break;case 2:o=!0,m();break;case 3:l=!0,r.panRightClick&&m()}}),document.addEventListener("mousemove",this._documentMouseMoveHandler=function(){if(r.active&&r.pointerEnabled&&(s||o||l)){var e=t.canvas.boundary,n=e[2],u=e[3],p=i.pointerCanvasPos[0],A=i.pointerCanvasPos[1];if(y[t.input.KEY_SHIFT]||r.planView||!r.panRightClick&&o||r.panRightClick&&l){var h=p-c,I=A-f,m=t.camera;if("perspective"===m.projection){var w=Math.abs(d?Z.lenVec3(Z.subVec3(v,t.camera.eye,[])):t.camera.eyeLookDist)*Math.tan(m.perspective.fov/2*Math.PI/180);a.panDeltaX+=1.5*h*w/u,a.panDeltaY+=1.5*I*w/u}else a.panDeltaX+=.5*m.ortho.scale*(h/u),a.panDeltaY+=.5*m.ortho.scale*(I/u)}else!s||o||l||r.planView||(r.firstPerson?(a.rotateDeltaY-=(p-c)/n*r.dragRotationRate/2,a.rotateDeltaX+=(A-f)/u*(r.dragRotationRate/4)):(a.rotateDeltaY-=(p-c)/n*(1.5*r.dragRotationRate),a.rotateDeltaX+=(A-f)/u*(1.5*r.dragRotationRate)));c=p,f=A}}),I.addEventListener("mousemove",this._canvasMouseMoveHandler=function(e){r.active&&r.pointerEnabled&&i.mouseover&&(h=!0)}),document.addEventListener("mouseup",this._documentMouseUpHandler=function(e){if(r.active&&r.pointerEnabled)switch(e.which){case 1:case 2:case 3:s=!1,o=!1,l=!1}}),I.addEventListener("mouseup",this._mouseUpHandler=function(e){if(r.active&&r.pointerEnabled){if(3===e.which){!function(e,t){if(e){for(var n=e.target,r=0,i=0,a=0,s=0;n.offsetParent;)r+=n.offsetLeft,i+=n.offsetTop,a+=n.scrollLeft,s+=n.scrollTop,n=n.offsetParent;t[0]=e.pageX+a-r,t[1]=e.pageY+s-i}else e=window.event,t[0]=e.x,t[1]=e.y}(e,Gp);var t=Gp[0],i=Gp[1];Math.abs(t-p)<3&&Math.abs(i-A)<3&&n.cameraControl.fire("rightClick",{pagePos:[Math.round(e.pageX),Math.round(e.pageY)],canvasPos:Gp,event:e},!0)}I.style.removeProperty("cursor")}}),I.addEventListener("mouseenter",this._mouseEnterHandler=function(){r.active&&r.pointerEnabled});var T=1/60,E=null;I.addEventListener("wheel",this._mouseWheelHandler=function(e){if(r.active&&r.pointerEnabled){var t=performance.now()/1e3,n=null!==E?t-E:0;E=t,n>.05&&(n=.05),n<T&&(n=T);var s=Math.max(-1,Math.min(1,40*-e.deltaY));if(0!==s){var o=s/Math.abs(s);a.dollyDelta+=-o*n*r.mouseWheelDollyRate,h&&(i.followPointerDirty=!0,h=!1)}}},{passive:!0})}return P(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;document.removeEventListener("keydown",this._documentKeyDownHandler),document.removeEventListener("keyup",this._documentKeyUpHandler),e.removeEventListener("mousedown",this._mouseDownHandler),document.removeEventListener("mousemove",this._documentMouseMoveHandler),e.removeEventListener("mousemove",this._canvasMouseMoveHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._mouseUpHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("wheel",this._mouseWheelHandler)}}]),e}(),jp=Z.vec3(),Vp=Z.vec3(),Qp=Z.vec3(),Wp=Z.vec3(),zp=Z.vec3(),Kp={eye:Z.vec3(),look:Z.vec3(),up:Z.vec3()},Yp=function(){function e(t,n,r,i){b(this,e),this._scene=t;var a=n.cameraControl,s=t.camera;this._onSceneKeyDown=t.input.on("keydown",(function(){if(r.active&&r.pointerEnabled&&t.input.keyboardEnabled&&i.mouseover){var e=a._isKeyDownForAction(a.AXIS_VIEW_RIGHT),o=a._isKeyDownForAction(a.AXIS_VIEW_BACK),l=a._isKeyDownForAction(a.AXIS_VIEW_LEFT),u=a._isKeyDownForAction(a.AXIS_VIEW_FRONT),c=a._isKeyDownForAction(a.AXIS_VIEW_TOP),f=a._isKeyDownForAction(a.AXIS_VIEW_BOTTOM);if(e||o||l||u||c||f){var p=t.aabb,A=Z.getAABB3Diag(p);Z.getAABB3Center(p,jp);var d=Math.abs(A/Math.tan(n.cameraFlight.fitFOV*Z.DEGTORAD)),v=1.1*A;Kp.orthoScale=v,e?(Kp.eye.set(Z.addVec3(jp,Z.mulVec3Scalar(s.worldRight,d,Vp),zp)),Kp.look.set(jp),Kp.up.set(s.worldUp)):o?(Kp.eye.set(Z.addVec3(jp,Z.mulVec3Scalar(s.worldForward,d,Vp),zp)),Kp.look.set(jp),Kp.up.set(s.worldUp)):l?(Kp.eye.set(Z.addVec3(jp,Z.mulVec3Scalar(s.worldRight,-d,Vp),zp)),Kp.look.set(jp),Kp.up.set(s.worldUp)):u?(Kp.eye.set(Z.addVec3(jp,Z.mulVec3Scalar(s.worldForward,-d,Vp),zp)),Kp.look.set(jp),Kp.up.set(s.worldUp)):c?(Kp.eye.set(Z.addVec3(jp,Z.mulVec3Scalar(s.worldUp,d,Vp),zp)),Kp.look.set(jp),Kp.up.set(Z.normalizeVec3(Z.mulVec3Scalar(s.worldForward,1,Qp),Wp))):f&&(Kp.eye.set(Z.addVec3(jp,Z.mulVec3Scalar(s.worldUp,-d,Vp),zp)),Kp.look.set(jp),Kp.up.set(Z.normalizeVec3(Z.mulVec3Scalar(s.worldForward,-1,Qp)))),!r.firstPerson&&r.followPointer&&n.pivotController.setPivotPos(jp),n.cameraFlight.duration>0?n.cameraFlight.flyTo(Kp,(function(){n.pivotController.getPivoting()&&r.followPointer&&n.pivotController.showPivot()})):(n.cameraFlight.jumpTo(Kp),n.pivotController.getPivoting()&&r.followPointer&&n.pivotController.showPivot())}}}))}return P(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){this._scene.input.off(this._onSceneKeyDown)}}]),e}(),Xp=function(){function e(t,n,r,i,a){var s=this;b(this,e),this._scene=t;var o=n.pickController,l=n.pivotController,u=n.cameraControl;this._clicks=0,this._timeout=null,this._lastPickedEntityId=null;var c=!1,f=!1,p=this._scene.canvas.canvas,A=function(e){var r;e&&e.worldPos&&(r=e.worldPos);var i=e&&e.entity?e.entity.aabb:t.aabb;if(r){var a=t.camera;Z.subVec3(a.eye,a.look,[]),n.cameraFlight.flyTo({aabb:i})}else n.cameraFlight.flyTo({aabb:i})};p.addEventListener("mousemove",this._canvasMouseMoveHandler=function(e){if(r.active&&r.pointerEnabled&&!c&&!f){var n=u.hasSubs("hover"),a=u.hasSubs("hoverOut"),l=u.hasSubs("hoverOff"),p=u.hasSubs("hoverSurface"),A=u.hasSubs("hoverSnapOrSurface");if(n||a||l||p||A)if(o.pickCursorPos=i.pointerCanvasPos,o.schedulePickEntity=!0,o.schedulePickSurface=p,o.scheduleSnapOrPick=A,o.update(),o.pickResult){if(o.pickResult.entity){var d=o.pickResult.entity.id;s._lastPickedEntityId!==d&&(void 0!==s._lastPickedEntityId&&u.fire("hoverOut",{entity:t.objects[s._lastPickedEntityId]},!0),u.fire("hoverEnter",o.pickResult,!0),s._lastPickedEntityId=d)}u.fire("hover",o.pickResult,!0),(o.pickResult.worldPos||o.pickResult.snappedWorldPos)&&u.fire("hoverSurface",o.pickResult,!0)}else void 0!==s._lastPickedEntityId&&(u.fire("hoverOut",{entity:t.objects[s._lastPickedEntityId]},!0),s._lastPickedEntityId=void 0),u.fire("hoverOff",{canvasPos:o.pickCursorPos},!0)}}),p.addEventListener("mousedown",this._canvasMouseDownHandler=function(e){if(1===e.which&&(c=!0),3===e.which&&(f=!0),1===e.which&&r.active&&r.pointerEnabled&&(i.mouseDownClientX=e.clientX,i.mouseDownClientY=e.clientY,i.mouseDownCursorX=i.pointerCanvasPos[0],i.mouseDownCursorY=i.pointerCanvasPos[1],!r.firstPerson&&r.followPointer&&(o.pickCursorPos=i.pointerCanvasPos,o.schedulePickSurface=!0,o.update(),1===e.which))){var n=o.pickResult;n&&n.worldPos?(l.setPivotPos(n.worldPos),l.startPivot()):(r.smartPivot?l.setCanvasPivotPos(i.pointerCanvasPos):l.setPivotPos(t.camera.look),l.startPivot())}}),document.addEventListener("mouseup",this._documentMouseUpHandler=function(e){1===e.which&&(c=!1),3===e.which&&(f=!1)}),p.addEventListener("mouseup",this._canvasMouseUpHandler=function(e){if(r.active&&r.pointerEnabled&&(1===e.which&&(l.hidePivot(),!(Math.abs(e.clientX-i.mouseDownClientX)>3||Math.abs(e.clientY-i.mouseDownClientY)>3)))){var a=u.hasSubs("picked"),c=u.hasSubs("pickedNothing"),f=u.hasSubs("pickedSurface"),p=u.hasSubs("doublePicked"),d=u.hasSubs("doublePickedSurface"),v=u.hasSubs("doublePickedNothing");if(!(r.doublePickFlyTo||p||d||v))return(a||c||f)&&(o.pickCursorPos=i.pointerCanvasPos,o.schedulePickEntity=!0,o.schedulePickSurface=f,o.update(),o.pickResult?(u.fire("picked",o.pickResult,!0),o.pickedSurface&&u.fire("pickedSurface",o.pickResult,!0)):u.fire("pickedNothing",{canvasPos:i.pointerCanvasPos},!0)),void(s._clicks=0);if(s._clicks++,1===s._clicks){o.pickCursorPos=i.pointerCanvasPos,o.schedulePickEntity=r.doublePickFlyTo,o.schedulePickSurface=f,o.update();var h=o.pickResult,I=o.pickedSurface;s._timeout=setTimeout((function(){h?(u.fire("picked",h,!0),I&&(u.fire("pickedSurface",h,!0),!r.firstPerson&&r.followPointer&&(n.pivotController.setPivotPos(h.worldPos),n.pivotController.startPivot()&&n.pivotController.showPivot()))):u.fire("pickedNothing",{canvasPos:i.pointerCanvasPos},!0),s._clicks=0}),r.doubleClickTimeFrame)}else{if(null!==s._timeout&&(window.clearTimeout(s._timeout),s._timeout=null),o.pickCursorPos=i.pointerCanvasPos,o.schedulePickEntity=r.doublePickFlyTo||p||d,o.schedulePickSurface=o.schedulePickEntity&&d,o.update(),o.pickResult){if(u.fire("doublePicked",o.pickResult,!0),o.pickedSurface&&u.fire("doublePickedSurface",o.pickResult,!0),r.doublePickFlyTo&&(A(o.pickResult),!r.firstPerson&&r.followPointer)){var y=o.pickResult.entity.aabb,m=Z.getAABB3Center(y);n.pivotController.setPivotPos(m),n.pivotController.startPivot()&&n.pivotController.showPivot()}}else if(u.fire("doublePickedNothing",{canvasPos:i.pointerCanvasPos},!0),r.doublePickFlyTo&&(A(),!r.firstPerson&&r.followPointer)){var w=t.aabb,g=Z.getAABB3Center(w);n.pivotController.setPivotPos(g),n.pivotController.startPivot()&&n.pivotController.showPivot()}s._clicks=0}}},!1)}return P(e,[{key:"reset",value:function(){this._clicks=0,this._lastPickedEntityId=null,this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;e.removeEventListener("mousemove",this._canvasMouseMoveHandler),e.removeEventListener("mousedown",this._canvasMouseDownHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._canvasMouseUpHandler),this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}}]),e}(),qp=function(){function e(t,n,r,i,a){b(this,e),this._scene=t;var s=t.input,o=[],l=t.canvas.canvas,u=!0;this._onSceneMouseMove=s.on("mousemove",(function(){u=!0})),this._onSceneKeyDown=s.on("keydown",(function(e){r.active&&r.pointerEnabled&&t.input.keyboardEnabled&&i.mouseover&&(o[e]=!0,e===s.KEY_SHIFT&&(l.style.cursor="move"))})),this._onSceneKeyUp=s.on("keyup",(function(e){r.active&&r.pointerEnabled&&t.input.keyboardEnabled&&(o[e]=!1,e===s.KEY_SHIFT&&(l.style.cursor=null))})),this._onTick=t.on("tick",(function(e){if(r.active&&r.pointerEnabled&&t.input.keyboardEnabled&&i.mouseover){var l=n.cameraControl,c=e.deltaTime/1e3;if(!r.planView){var f=l._isKeyDownForAction(l.ROTATE_Y_POS,o),p=l._isKeyDownForAction(l.ROTATE_Y_NEG,o),A=l._isKeyDownForAction(l.ROTATE_X_POS,o),d=l._isKeyDownForAction(l.ROTATE_X_NEG,o),v=c*r.keyboardRotationRate;(f||p||A||d)&&(!r.firstPerson&&r.followPointer&&n.pivotController.startPivot(),f?a.rotateDeltaY+=v:p&&(a.rotateDeltaY-=v),A?a.rotateDeltaX+=v:d&&(a.rotateDeltaX-=v),!r.firstPerson&&r.followPointer&&n.pivotController.startPivot())}if(!o[s.KEY_CTRL]&&!o[s.KEY_ALT]){var h=l._isKeyDownForAction(l.DOLLY_BACKWARDS,o),I=l._isKeyDownForAction(l.DOLLY_FORWARDS,o);if(h||I){var y=c*r.keyboardDollyRate;!r.firstPerson&&r.followPointer&&n.pivotController.startPivot(),I?a.dollyDelta-=y:h&&(a.dollyDelta+=y),u&&(i.followPointerDirty=!0,u=!1)}}var m=l._isKeyDownForAction(l.PAN_FORWARDS,o),w=l._isKeyDownForAction(l.PAN_BACKWARDS,o),g=l._isKeyDownForAction(l.PAN_LEFT,o),T=l._isKeyDownForAction(l.PAN_RIGHT,o),E=l._isKeyDownForAction(l.PAN_UP,o),b=l._isKeyDownForAction(l.PAN_DOWN,o),D=(o[s.KEY_ALT]?.3:1)*c*r.keyboardPanRate;(m||w||g||T||E||b)&&(!r.firstPerson&&r.followPointer&&n.pivotController.startPivot(),b?a.panDeltaY+=D:E&&(a.panDeltaY+=-D),T?a.panDeltaX+=-D:g&&(a.panDeltaX+=D),w?a.panDeltaZ+=D:m&&(a.panDeltaZ+=-D))}}))}return P(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){this._scene.off(this._onTick),this._scene.input.off(this._onSceneMouseMove),this._scene.input.off(this._onSceneKeyDown),this._scene.input.off(this._onSceneKeyUp)}}]),e}(),Jp=Z.vec3(),Zp=function(){function e(t,n,r,i,a){b(this,e),this._scene=t;var s=t.camera,o=n.pickController,l=n.pivotController,u=n.panController,c=1,f=1,p=null;this._onTick=t.on("tick",(function(){if(r.active&&r.pointerEnabled){var e="default";if(Math.abs(a.dollyDelta)<.001&&(a.dollyDelta=0),Math.abs(a.rotateDeltaX)<.001&&(a.rotateDeltaX=0),Math.abs(a.rotateDeltaY)<.001&&(a.rotateDeltaY=0),0===a.rotateDeltaX&&0===a.rotateDeltaY||(a.dollyDelta=0),r.followPointer&&--c<=0&&(c=1,0!==a.dollyDelta)){if(0===a.rotateDeltaY&&0===a.rotateDeltaX&&r.followPointer&&i.followPointerDirty&&(o.pickCursorPos=i.pointerCanvasPos,o.schedulePickSurface=!0,o.update(),o.pickResult&&o.pickResult.worldPos?p=o.pickResult.worldPos:(f=1,p=null),i.followPointerDirty=!1),p){var n=Math.abs(Z.lenVec3(Z.subVec3(p,t.camera.eye,Jp)));f=n/r.dollyProximityThreshold}f<r.dollyMinSpeed&&(f=r.dollyMinSpeed)}var A=a.dollyDelta*f;if(0===a.rotateDeltaY&&0===a.rotateDeltaX||(!r.firstPerson&&r.followPointer&&l.getPivoting()?(l.continuePivot(a.rotateDeltaY,a.rotateDeltaX),l.showPivot()):(0!==a.rotateDeltaX&&(r.firstPerson?s.pitch(-a.rotateDeltaX):s.orbitPitch(a.rotateDeltaX)),0!==a.rotateDeltaY&&(r.firstPerson?s.yaw(a.rotateDeltaY):s.orbitYaw(a.rotateDeltaY))),a.rotateDeltaX*=r.rotationInertia,a.rotateDeltaY*=r.rotationInertia,e="grabbing"),Math.abs(a.panDeltaX)<.001&&(a.panDeltaX=0),Math.abs(a.panDeltaY)<.001&&(a.panDeltaY=0),Math.abs(a.panDeltaZ)<.001&&(a.panDeltaZ=0),0!==a.panDeltaX||0!==a.panDeltaY||0!==a.panDeltaZ){var d,v,h=Z.vec3();if(h[0]=a.panDeltaX,h[1]=a.panDeltaY,h[2]=a.panDeltaZ,r.constrainVertical){s.xUp?(d=s.eye[0],v=s.look[0]):s.yUp?(d=s.eye[1],v=s.look[1]):s.zUp&&(d=s.eye[2],v=s.look[2]),s.pan(h);var I=s.eye,y=s.look;s.xUp?(I[0]=d,y[0]=v):s.yUp?(I[1]=d,y[1]=v):s.zUp&&(I[2]=d,y[2]=v),s.eye=I,s.look=y}else s.pan(h);e="grabbing"}if(a.panDeltaX*=r.panInertia,a.panDeltaY*=r.panInertia,a.panDeltaZ*=r.panInertia,0!==A){if(e=A<0?"zoom-in":"zoom-out",r.firstPerson){var m,w;if(r.constrainVertical&&(s.xUp?(m=s.eye[0],w=s.look[0]):s.yUp?(m=s.eye[1],w=s.look[1]):s.zUp&&(m=s.eye[2],w=s.look[2])),r.followPointer)u.dollyToCanvasPos(p,i.pointerCanvasPos,-A)&&(i.followPointerDirty=!0);else s.pan([0,0,A]),s.ortho.scale=s.ortho.scale-A;if(r.constrainVertical){var g=s.eye,T=s.look;s.xUp?(g[0]=m,T[0]=w):s.yUp?(g[1]=m,T[1]=w):s.zUp&&(g[2]=m,T[2]=w),s.eye=g,s.look=T}}else if(r.planView){if(r.followPointer)u.dollyToCanvasPos(p,i.pointerCanvasPos,-A)&&(i.followPointerDirty=!0);else s.ortho.scale=s.ortho.scale+A,s.zoom(A)}else{if(r.followPointer)u.dollyToCanvasPos(p,i.pointerCanvasPos,-A)&&(i.followPointerDirty=!0);else s.ortho.scale=s.ortho.scale+A,s.zoom(A)}a.dollyDelta*=r.dollyInertia}o.fireEvents(),document.body.style.cursor=e}}))}return P(e,[{key:"destroy",value:function(){this._scene.off(this._onTick)}}]),e}(),$p=function(){function e(t,n,r,i,a){b(this,e),this._scene=t;var s=this._scene.canvas.canvas;s.addEventListener("mouseenter",this._mouseEnterHandler=function(){i.mouseover=!0}),s.addEventListener("mouseleave",this._mouseLeaveHandler=function(){i.mouseover=!1,s.style.cursor=null}),document.addEventListener("mousemove",this._mouseMoveHandler=function(e){eA(e,s,i.pointerCanvasPos)}),s.addEventListener("mousedown",this._mouseDownHandler=function(e){r.active&&r.pointerEnabled&&(eA(e,s,i.pointerCanvasPos),i.mouseover=!0)}),s.addEventListener("mouseup",this._mouseUpHandler=function(e){r.active&&r.pointerEnabled})}return P(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;document.removeEventListener("mousemove",this._mouseMoveHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("mouseleave",this._mouseLeaveHandler),e.removeEventListener("mousedown",this._mouseDownHandler),e.removeEventListener("mouseup",this._mouseUpHandler)}}]),e}();function eA(e,t,n){if(e){var r=t.getBoundingClientRect(),i=r.x,a=r.y;n[0]=e.clientX-i,n[1]=e.clientY-a}else e=window.event,n[0]=e.x,n[1]=e.y;return n}var tA=function(e,t){if(e){for(var n=e.target,r=0,i=0;n.offsetParent;)r+=n.offsetLeft,i+=n.offsetTop,n=n.offsetParent;t[0]=e.pageX-r,t[1]=e.pageY-i}else e=window.event,t[0]=e.x,t[1]=e.y;return t},nA=function(){function e(t,n,r,i,a){b(this,e),this._scene=t;var s=n.pickController,o=n.pivotController,l=Z.vec2(),u=Z.vec2(),c=Z.vec2(),f=Z.vec2(),p=[],A=this._scene.canvas.canvas,d=0,v=!1;this._onTick=t.on("tick",(function(){v=!1})),A.addEventListener("touchstart",this._canvasTouchStartHandler=function(e){if(r.active&&r.pointerEnabled){e.preventDefault();var n=e.touches,a=e.changedTouches;for(i.touchStartTime=Date.now(),1===n.length&&1===a.length&&(tA(n[0],l),r.followPointer&&(s.pickCursorPos=l,s.schedulePickSurface=!0,s.update(),r.planView||(s.picked&&s.pickedSurface&&s.pickResult&&s.pickResult.worldPos?(o.setPivotPos(s.pickResult.worldPos),!r.firstPerson&&o.startPivot()&&o.showPivot()):(r.smartPivot?o.setCanvasPivotPos(i.pointerCanvasPos):o.setPivotPos(t.camera.look),!r.firstPerson&&o.startPivot()&&o.showPivot()))));p.length<n.length;)p.push(Z.vec2());for(var u=0,c=n.length;u<c;++u)tA(n[u],p[u]);d=n.length}}),A.addEventListener("touchmove",this._canvasTouchMoveHandler=function(e){if(r.active&&r.pointerEnabled&&(e.stopPropagation(),e.preventDefault(),!v)){v=!0;var n=t.canvas.boundary,o=n[2],l=n[3],A=e.touches;if(e.touches.length===d){if(1===d){tA(A[0],u),Z.subVec2(u,p[0],f);var h=f[0],I=f[1];if(null!==i.longTouchTimeout&&(Math.abs(h)>r.longTapRadius||Math.abs(I)>r.longTapRadius)&&(clearTimeout(i.longTouchTimeout),i.longTouchTimeout=null),r.planView){var y=t.camera;if("perspective"===y.projection){var m=Math.abs(t.camera.eyeLookDist)*Math.tan(y.perspective.fov/2*Math.PI/180);a.panDeltaX+=h*m/l*r.touchPanRate,a.panDeltaY+=I*m/l*r.touchPanRate}else a.panDeltaX+=.5*y.ortho.scale*(h/l)*r.touchPanRate,a.panDeltaY+=.5*y.ortho.scale*(I/l)*r.touchPanRate}else a.rotateDeltaY-=h/o*(1*r.dragRotationRate),a.rotateDeltaX+=I/l*(1.5*r.dragRotationRate)}else if(2===d){var w=A[0],g=A[1];tA(w,u),tA(g,c);var T=Z.geometricMeanVec2(p[0],p[1]),E=Z.geometricMeanVec2(u,c),b=Z.vec2();Z.subVec2(T,E,b);var D=b[0],P=b[1],R=t.camera,C=Z.distVec2([w.pageX,w.pageY],[g.pageX,g.pageY]),_=(Z.distVec2(p[0],p[1])-C)*r.touchDollyRate;if(a.dollyDelta=_,Math.abs(_)<1)if("perspective"===R.projection){var B=s.pickResult?s.pickResult.worldPos:t.center,O=Math.abs(Z.lenVec3(Z.subVec3(B,t.camera.eye,[])))*Math.tan(R.perspective.fov/2*Math.PI/180);a.panDeltaX-=D*O/l*r.touchPanRate,a.panDeltaY-=P*O/l*r.touchPanRate}else a.panDeltaX-=.5*R.ortho.scale*(D/l)*r.touchPanRate,a.panDeltaY-=.5*R.ortho.scale*(P/l)*r.touchPanRate;i.pointerCanvasPos=E}for(var S=0;S<d;++S)tA(A[S],p[S])}}})}return P(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchmove",this._canvasTouchMoveHandler),this._scene.off(this._onTick)}}]),e}(),rA=function(e,t){if(e){for(var n=e.target,r=0,i=0;n.offsetParent;)r+=n.offsetLeft,i+=n.offsetTop,n=n.offsetParent;t[0]=e.pageX-r,t[1]=e.pageY-i}else e=window.event,t[0]=e.x,t[1]=e.y;return t},iA=function(){function e(t,n,r,i,a){b(this,e),this._scene=t;var s,o=n.pickController,l=n.cameraControl,u=[],c=new Float32Array(2),f=-1,p=-1,A=this._scene.canvas.canvas,d=function(e){var r;e&&e.worldPos&&(r=e.worldPos);var i=e?e.entity.aabb:t.aabb;if(r){var a=t.camera;Z.subVec3(a.eye,a.look,[]),n.cameraFlight.flyTo({aabb:i})}else n.cameraFlight.flyTo({aabb:i})};A.addEventListener("touchstart",this._canvasTouchStartHandler=function(e){if(r.active&&r.pointerEnabled){null!==i.longTouchTimeout&&(clearTimeout(i.longTouchTimeout),i.longTouchTimeout=null);var t=e.touches,a=e.changedTouches;if(s=Date.now(),1===t.length&&1===a.length){f=s,rA(t[0],c);var o=c[0],l=c[1],p=t[0].pageX,A=t[0].pageY;i.longTouchTimeout=setTimeout((function(){n.cameraControl.fire("rightClick",{pagePos:[Math.round(p),Math.round(A)],canvasPos:[Math.round(o),Math.round(l)],event:e},!0),i.longTouchTimeout=null}),r.longTapTimeout)}else f=-1;for(;u.length<t.length;)u.push(new Float32Array(2));for(var d=0,v=t.length;d<v;++d)rA(t[d],u[d]);u.length=t.length}},{passive:!0}),A.addEventListener("touchend",this._canvasTouchEndHandler=function(e){if(r.active&&r.pointerEnabled){var t=Date.now(),n=e.touches,a=e.changedTouches,s=l.hasSubs("pickedSurface");null!==i.longTouchTimeout&&(clearTimeout(i.longTouchTimeout),i.longTouchTimeout=null),0===n.length&&1===a.length&&f>-1&&t-f<150&&(p>-1&&f-p<325?(rA(a[0],o.pickCursorPos),o.schedulePickEntity=!0,o.schedulePickSurface=s,o.update(),o.pickResult?(o.pickResult.touchInput=!0,l.fire("doublePicked",o.pickResult),o.pickedSurface&&l.fire("doublePickedSurface",o.pickResult),r.doublePickFlyTo&&d(o.pickResult)):(l.fire("doublePickedNothing"),r.doublePickFlyTo&&d()),p=-1):Z.distVec2(u[0],c)<4&&(rA(a[0],o.pickCursorPos),o.schedulePickEntity=!0,o.schedulePickSurface=s,o.update(),o.pickResult?(o.pickResult.touchInput=!0,l.fire("picked",o.pickResult),o.pickedSurface&&l.fire("pickedSurface",o.pickResult)):l.fire("pickedNothing"),p=t),f=-1),u.length=n.length;for(var A=0,v=n.length;A<v;++A)u[A][0]=n[A].pageX,u[A][1]=n[A].pageY}},{passive:!0})}return P(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler)}}]),e}(),aA=function(e){I(n,ve);var t=m(n);function n(e){var r,i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};b(this,n),(r=t.call(this,e,i)).PAN_LEFT=0,r.PAN_RIGHT=1,r.PAN_UP=2,r.PAN_DOWN=3,r.PAN_FORWARDS=4,r.PAN_BACKWARDS=5,r.ROTATE_X_POS=6,r.ROTATE_X_NEG=7,r.ROTATE_Y_POS=8,r.ROTATE_Y_NEG=9,r.DOLLY_FORWARDS=10,r.DOLLY_BACKWARDS=11,r.AXIS_VIEW_RIGHT=12,r.AXIS_VIEW_BACK=13,r.AXIS_VIEW_LEFT=14,r.AXIS_VIEW_FRONT=15,r.AXIS_VIEW_TOP=16,r.AXIS_VIEW_BOTTOM=17,r._keyMap={},r.scene.canvas.canvas.oncontextmenu=function(e){e.preventDefault()},r._configs={longTapTimeout:600,longTapRadius:5,active:!0,keyboardLayout:"qwerty",navMode:"orbit",planView:!1,firstPerson:!1,followPointer:!0,doublePickFlyTo:!0,panRightClick:!0,showPivot:!1,pointerEnabled:!0,constrainVertical:!1,smartPivot:!1,doubleClickTimeFrame:250,snapMode:"vertex",snapRadius:30,dragRotationRate:360,keyboardRotationRate:90,rotationInertia:0,keyboardPanRate:1,touchPanRate:1,panInertia:.5,keyboardDollyRate:10,mouseWheelDollyRate:100,touchDollyRate:.2,dollyInertia:0,dollyProximityThreshold:30,dollyMinSpeed:.04},r._states={pointerCanvasPos:Z.vec2(),mouseover:!1,followPointerDirty:!0,mouseDownClientX:0,mouseDownClientY:0,mouseDownCursorX:0,mouseDownCursorY:0,touchStartTime:null,activeTouches:[],tapStartPos:Z.vec2(),tapStartTime:-1,lastTapTime:-1,longTouchTimeout:null},r._updates={rotateDeltaX:0,rotateDeltaY:0,panDeltaX:0,panDeltaY:0,panDeltaZ:0,dollyDelta:0};var a=r.scene;return r._controllers={cameraControl:g(r),pickController:new Up(g(r),r._configs),pivotController:new Hp(a,r._configs),panController:new Op(a),cameraFlight:new _s(g(r),{duration:.5})},r._handlers=[new $p(r.scene,r._controllers,r._configs,r._states,r._updates),new nA(r.scene,r._controllers,r._configs,r._states,r._updates),new kp(r.scene,r._controllers,r._configs,r._states,r._updates),new Yp(r.scene,r._controllers,r._configs,r._states,r._updates),new Xp(r.scene,r._controllers,r._configs,r._states,r._updates),new iA(r.scene,r._controllers,r._configs,r._states,r._updates),new qp(r.scene,r._controllers,r._configs,r._states,r._updates)],r._cameraUpdater=new Zp(r.scene,r._controllers,r._configs,r._states,r._updates),r.navMode=i.navMode,i.planView&&(r.planView=i.planView),r.constrainVertical=i.constrainVertical,i.keyboardLayout?r.keyboardLayout=i.keyboardLayout:r.keyMap=i.keyMap,r.doublePickFlyTo=i.doublePickFlyTo,r.panRightClick=i.panRightClick,r.active=i.active,r.followPointer=i.followPointer,r.rotationInertia=i.rotationInertia,r.keyboardPanRate=i.keyboardPanRate,r.touchPanRate=i.touchPanRate,r.keyboardRotationRate=i.keyboardRotationRate,r.dragRotationRate=i.dragRotationRate,r.touchDollyRate=i.touchDollyRate,r.dollyInertia=i.dollyInertia,r.dollyProximityThreshold=i.dollyProximityThreshold,r.dollyMinSpeed=i.dollyMinSpeed,r.panInertia=i.panInertia,r.pointerEnabled=!0,r.keyboardDollyRate=i.keyboardDollyRate,r.mouseWheelDollyRate=i.mouseWheelDollyRate,r}return P(n,[{key:"keyMap",get:function(){return this._keyMap},set:function(e){if(e=e||"qwerty",ae.isString(e)){var t=this.scene.input,n={};switch(e){default:this.error("Unsupported value for 'keyMap': "+e+" defaulting to 'qwerty'");case"qwerty":n[this.PAN_LEFT]=[t.KEY_A],n[this.PAN_RIGHT]=[t.KEY_D],n[this.PAN_UP]=[t.KEY_Z],n[this.PAN_DOWN]=[t.KEY_X],n[this.PAN_BACKWARDS]=[],n[this.PAN_FORWARDS]=[],n[this.DOLLY_FORWARDS]=[t.KEY_W,t.KEY_ADD],n[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],n[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],n[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],n[this.ROTATE_Y_POS]=[t.KEY_Q,t.KEY_LEFT_ARROW],n[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],n[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],n[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],n[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],n[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],n[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],n[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6];break;case"azerty":n[this.PAN_LEFT]=[t.KEY_Q],n[this.PAN_RIGHT]=[t.KEY_D],n[this.PAN_UP]=[t.KEY_W],n[this.PAN_DOWN]=[t.KEY_X],n[this.PAN_BACKWARDS]=[],n[this.PAN_FORWARDS]=[],n[this.DOLLY_FORWARDS]=[t.KEY_Z,t.KEY_ADD],n[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],n[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],n[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],n[this.ROTATE_Y_POS]=[t.KEY_A,t.KEY_LEFT_ARROW],n[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],n[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],n[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],n[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],n[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],n[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],n[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6]}this._keyMap=n}else{var r=e;this._keyMap=r}}},{key:"_isKeyDownForAction",value:function(e,t){var n=this._keyMap[e];if(!n)return!1;t||(t=this.scene.input.keyDown);for(var r=0,i=n.length;r<i;r++){if(t[n[r]])return!0}return!1}},{key:"pivotElement",set:function(e){this._controllers.pivotController.setPivotElement(e)}},{key:"active",get:function(){return this._configs.active},set:function(e){this._configs.active=!1!==e}},{key:"snapMode",get:function(){return this._configs.snapMode},set:function(e){"vertex"!==(e=e||"vertex")&&"edge"!==e&&(this.error("Unsupported value for snapMode: "+e+" - supported values are 'vertex' and 'edge' - defaulting to 'vertex'"),e="vertex"),this._configs.snapMode=e}},{key:"snapRadius",get:function(){return this._configs.snapRadius},set:function(e){e=e||30,this._configs.snapRadius=e}},{key:"navMode",get:function(){return this._configs.navMode},set:function(e){"firstPerson"!==(e=e||"orbit")&&"orbit"!==e&&"planView"!==e&&(this.error("Unsupported value for navMode: "+e+" - supported values are 'orbit', 'firstPerson' and 'planView' - defaulting to 'orbit'"),e="orbit"),this._configs.firstPerson="firstPerson"===e,this._configs.planView="planView"===e,(this._configs.firstPerson||this._configs.planView)&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this._configs.navMode=e}},{key:"pointerEnabled",get:function(){return this._configs.pointerEnabled},set:function(e){this._reset(),this._configs.pointerEnabled=!!e}},{key:"_reset",value:function(){for(var e=0,t=this._handlers.length;e<t;e++){var n=this._handlers[e];n.reset&&n.reset()}this._updates.panDeltaX=0,this._updates.panDeltaY=0,this._updates.rotateDeltaX=0,this._updates.rotateDeltaY=0,this._updates.dolyDelta=0}},{key:"followPointer",get:function(){return this._configs.followPointer},set:function(e){this._configs.followPointer=!1!==e}},{key:"pivotPos",get:function(){return this._controllers.pivotController.getPivotPos()},set:function(e){this._controllers.pivotController.setPivotPos(e)}},{key:"dollyToPointer",get:function(){return this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer},set:function(e){this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer=e}},{key:"panToPointer",get:function(){return this.warn("panToPointer property is deprecated - replaced with followPointer"),!1},set:function(e){this.warn("panToPointer property is deprecated - replaced with followPointer")}},{key:"planView",get:function(){return this.warn("planView property is deprecated - replaced with navMode"),this._configs.planView},set:function(e){this._configs.planView=!!e,this._configs.firstPerson=!1,this._configs.planView&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this.warn("planView property is deprecated - replaced with navMode")}},{key:"firstPerson",get:function(){return this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson},set:function(e){this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson=!!e,this._configs.planView=!1,this._configs.firstPerson&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot())}},{key:"constrainVertical",get:function(){return this._configs.constrainVertical},set:function(e){this._configs.constrainVertical=!!e}},{key:"doublePickFlyTo",get:function(){return this._configs.doublePickFlyTo},set:function(e){this._configs.doublePickFlyTo=!1!==e}},{key:"panRightClick",get:function(){return this._configs.panRightClick},set:function(e){this._configs.panRightClick=!1!==e}},{key:"rotationInertia",get:function(){return this._configs.rotationInertia},set:function(e){this._configs.rotationInertia=null!=e?e:0}},{key:"keyboardPanRate",get:function(){return this._configs.keyboardPanRate},set:function(e){this._configs.keyboardPanRate=null!=e?e:5}},{key:"touchPanRate",get:function(){return this._configs.touchPanRate},set:function(e){this._configs.touchPanRate=null!=e?e:1}},{key:"keyboardRotationRate",get:function(){return this._configs.keyboardRotationRate},set:function(e){this._configs.keyboardRotationRate=null!=e?e:90}},{key:"dragRotationRate",get:function(){return this._configs.dragRotationRate},set:function(e){this._configs.dragRotationRate=null!=e?e:360}},{key:"keyboardDollyRate",get:function(){return this._configs.keyboardDollyRate},set:function(e){this._configs.keyboardDollyRate=null!=e?e:15}},{key:"touchDollyRate",get:function(){return this._configs.touchDollyRate},set:function(e){this._configs.touchDollyRate=null!=e?e:.2}},{key:"mouseWheelDollyRate",get:function(){return this._configs.mouseWheelDollyRate},set:function(e){this._configs.mouseWheelDollyRate=null!=e?e:100}},{key:"dollyInertia",get:function(){return this._configs.dollyInertia},set:function(e){this._configs.dollyInertia=null!=e?e:0}},{key:"dollyProximityThreshold",get:function(){return this._configs.dollyProximityThreshold},set:function(e){this._configs.dollyProximityThreshold=null!=e?e:35}},{key:"dollyMinSpeed",get:function(){return this._configs.dollyMinSpeed},set:function(e){this._configs.dollyMinSpeed=null!=e?e:.04}},{key:"panInertia",get:function(){return this._configs.panInertia},set:function(e){this._configs.panInertia=null!=e?e:.5}},{key:"keyboardLayout",get:function(){return this._configs.keyboardLayout},set:function(e){"qwerty"!==(e=e||"qwerty")&&"azerty"!==e&&(this.error("Unsupported value for keyboardLayout - defaulting to 'qwerty'"),e="qwerty"),this._configs.keyboardLayout=e,this.keyMap=this._configs.keyboardLayout}},{key:"smartPivot",get:function(){return this._configs.smartPivot},set:function(e){this._configs.smartPivot=!1!==e}},{key:"doubleClickTimeFrame",get:function(){return this._configs.doubleClickTimeFrame},set:function(e){this._configs.doubleClickTimeFrame=null!=e?e:250}},{key:"destroy",value:function(){this._destroyHandlers(),this._destroyControllers(),this._cameraUpdater.destroy(),v(T(n.prototype),"destroy",this).call(this)}},{key:"_destroyHandlers",value:function(){for(var e=0,t=this._handlers.length;e<t;e++){var n=this._handlers[e];n.destroy&&n.destroy()}}},{key:"_destroyControllers",value:function(){for(var e=0,t=this._controllers.length;e<t;e++){var n=this._controllers[e];n.destroy&&n.destroy()}}}]),n}(),sA=P((function e(t,n,r,i,a){b(this,e),this.name=t,this.type=r,this.value=n,this.valueType=i,this.description=a})),oA=P((function e(t){if(b(this,e),this.id=t.id,this.originalSystemId=t.originalSystemId,this.metaModels=[],this.name=t.name,this.type=t.type,this.properties=[],t.properties)for(var n=t.properties,r=0,i=n.length;r<i;r++){var a=n[r];this.properties.push(new sA(a.name,a.value,a.type,a.valueType,a.description))}})),lA=function(){function e(t){b(this,e),this.metaModel=null,this.metaModels=[],this.id=t.id,this.parentId=t.parentId,this.parent=null,this.originalSystemId=t.originalSystemId,this.name=t.name,this.type=t.type,this.propertySetIds=t.propertySetIds,this.propertySets=[],this.attributes=t.attributes||{}}return P(e,[{key:"getObjectIDsInSubtree",value:function(){var e=[];return function t(n){if(n){e.push(n.id);var r=n.children;if(r)for(var i=0,a=r.length;i<a;i++)t(r[i])}}(this),e}},{key:"withMetaObjectsInSubtree",value:function(e){!function t(n){if(n){e(n);var r=n.children;if(r)for(var i=0,a=r.length;i<a;i++)t(r[i])}}(this)}},{key:"getObjectIDsInSubtreeByType",value:function(e){for(var t={},n=0,r=e.length;n<r;n++)t[e[n]]=e[n];var i=[];return function e(n){if(n){t[n.type]&&i.push(n.id);var r=n.children;if(r)for(var a=0,s=r.length;a<s;a++)e(r[a])}}(this),i}},{key:"getJSON",value:function(){var e={id:this.id,type:this.type,name:this.name};return this.parent&&(e.parent=this.parent.id),e}}]),e}(),uA=function(){function e(t){b(this,e),this.id=t.id,this.projectId=t.projectId,this.revisionId=t.revisionId,this.author=t.author,this.createdAt=t.createdAt,this.creatingApplication=t.creatingApplication,this.schema=t.schema,this.metaScene=t.metaScene,this.propertySets=[],this.rootMetaObject=null,this.rootMetaObjects=[],this.metaObjects=[],this.graph=t.graph||{},this.metaScene.metaModels[this.id]=this,this.finalized=!1}return P(e,[{key:"loadData",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(this.finalized)throw"MetaScene already finalized - can't add more data";this._globalizeIDs(e,t);var n=this.metaScene;if(e.propertySets)for(var r=0,i=e.propertySets.length;r<i;r++){var a=e.propertySets[r],s=n.propertySets[a.id];s||(s=new oA({id:a.id,originalSystemId:a.originalSystemId||a.id,type:a.type,name:a.name,properties:a.properties}),n.propertySets[s.id]=s),s.metaModels.push(this),this.propertySets.push(s)}if(e.metaObjects)for(var o=0,l=e.metaObjects.length;o<l;o++){var u=e.metaObjects[o],c=u.id,f=n.metaObjects[c];if(!f){var p=u.type,A=u.originalSystemId,d=u.propertySets||u.propertySetIds;f=new lA({id:c,originalSystemId:A,parentId:u.parent,type:p,name:u.name,attributes:u.attributes,propertySetIds:d}),this.metaScene.metaObjects[c]=f}f.metaModels.push(this),u.parent||(this.rootMetaObjects.push(f),n.rootMetaObjects[c]=f),this.metaObjects.push(f)}}},{key:"finalize",value:function(){if(this.finalized)throw"MetaScene already finalized - can't re-finalize";var e=this.metaScene;for(var t in e.metaObjects){var n=e.metaObjects[t];if(n.children&&(n.children=[]),n.propertySets&&(n.propertySets=[]),n.propertySetIds)for(var r=0,i=n.propertySetIds.length;r<i;r++){var a=n.propertySetIds[r],s=e.propertySets[a];n.propertySets.push(s)}}for(var o in e.metaObjects){var l=e.metaObjects[o];if(l.parentId){var u=e.metaObjects[l.parentId];u&&(l.parent=u,(u.children||(u.children=[])).push(l))}}for(var c in e.metaObjectsByType={},e.metaObjects){var f=e.metaObjects[c],p=f.type;(e.metaObjectsByType[p]||(e.metaObjectsByType[p]={}))[c]=f}this.finalized=!0,this.metaScene.fire("metaModelCreated",this.id)}},{key:"getJSON",value:function(){var e=[];return function t(n){var r={id:n.id,extId:n.extId,type:n.type,name:n.name};n.parent&&(r.parent=n.parent.id),e.push(r);var i=n.children;if(i)for(var a=0,s=i.length;a<s;a++)t(i[a])}(this.rootMetaObject),{id:this.id,projectId:this.projectId,revisionId:this.revisionId,metaObjects:e}}},{key:"_globalizeIDs",value:function(e,t){var n=!!t.globalizeObjectIds;if(e.metaObjects)for(var r=0,i=e.metaObjects.length;r<i;r++){var a=e.metaObjects[r];if(a.originalSystemId=a.id,a.originalParentSystemId=a.parent,n&&(a.id=Z.globalizeObjectId(this.id,a.id),a.parent=Z.globalizeObjectId(this.id,a.parent)),n){var s=a.propertySetIds;if(s){for(var o=[],l=0,u=s.length;l<u;l++)o.push(Z.globalizeObjectId(this.id,s[l]));a.propertySetIds=o,a.originalSystemPropertySetIds=s}}else a.originalSystemPropertySetIds=a.propertySetIds}if(e.propertySets)for(var c=0,f=e.propertySets.length;c<f;c++){var p=e.propertySets[c];p.originalSystemId=p.id,n&&(p.id=Z.globalizeObjectId(mothis.id,p.id))}}}]),e}(),cA=function(){function e(t,n){b(this,e),this.viewer=t,this.scene=n,this.metaModels={},this.propertySets={},this.metaObjects={},this.metaObjectsByType={},this.rootMetaObjects={},this._eventSubs={}}return P(e,[{key:"on",value:function(e,t){var n=this._eventSubs[e];n||(n=[],this._eventSubs[e]=n),n.push(t)}},{key:"fire",value:function(e,t){var n=this._eventSubs[e];if(n)for(var r=0,i=n.length;r<i;r++)n[r](t)}},{key:"off",value:function(e){}},{key:"createMetaModel",value:function(e,t){var n=new uA({metaScene:this,id:e,projectId:t.projectId||"none",revisionId:t.revisionId||"none",author:t.author||"none",createdAt:t.createdAt||"none",creatingApplication:t.creatingApplication||"none",schema:t.schema||"none",propertySets:[]});return n.loadData(t),n.finalize(),n}},{key:"destroyMetaModel",value:function(e){var t=this.metaModels[e];if(t){if(t.propertySets)for(var n=0,r=t.propertySets.length;n<r;n++){var i=t.propertySets[n];if(1===i.metaModels.length)delete this.propertySets[i.id];else{for(var a=[],s=0,o=i.metaModels.length;s<o;s++)i.metaModels[s].id!==e&&a.push(i.metaModels[s]);i.metaModels=a}}if(t.metaObjects)for(var l=0,u=t.metaObjects.length;l<u;l++){var c=t.metaObjects[l];c.type;var f=c.id;if(1===c.metaModels.length)delete this.metaObjects[f],c.parent||delete this.rootMetaObjects[f];else{for(var p=[],A=t.id,d=0,v=c.metaModels.length;d<v;d++)c.metaModels[d].id!==A&&p.push(c.metaModels[d]);c.metaModels=p}}for(var h in this.metaObjects){var I=this.metaObjects[h];if(I.children&&(I.children=[]),I.propertySets&&(I.propertySets=[]),I.propertySetIds)for(var y=0,m=I.propertySetIds.length;y<m;y++){var w=I.propertySetIds[y],g=this.propertySets[w];I.propertySets.push(g)}}for(var T in this.metaObjectsByType={},this.metaObjects){var E=this.metaObjects[T],b=E.type;E.children&&(E.children=null),(this.metaObjectsByType[b]||(this.metaObjectsByType[b]={}))[T]=E}for(var D in this.metaObjects){var P=this.metaObjects[D];if(P.parentId){var R=this.metaObjects[P.parentId];R&&(P.parent=R,(R.children||(R.children=[])).push(P))}}delete this.metaModels[e],this.fire("metaModelDestroyed",e)}}},{key:"getObjectIDsByType",value:function(e){var t=this.metaObjectsByType[e];return t?Object.keys(t):[]}},{key:"getObjectIDsInSubtree",value:function(e,t,n){var r=[],i=this.metaObjects[e],a=t&&t.length>0?fA(t):null,s=n&&n.length>0?fA(n):null;return function e(t){if(t){var n=!0;(s&&s[t.type]||a&&!a[t.type])&&(n=!1),n&&r.push(t.id);var i=t.children;if(i)for(var o=0,l=i.length;o<l;o++)e(i[o])}}(i),r}},{key:"withMetaObjectsInSubtree",value:function(e,t){var n=this.metaObjects[e];n&&n.withMetaObjectsInSubtree(t)}}]),e}();function fA(e){for(var t={},n=0,r=e.length;n<r;n++)t[e[n]]=!0;return t}
+ **/var Cc=null;function _c(e,t){var n,r,i,a,s,o,l=3*e,u=3*t,c=Math.min(n=Cc[l],r=Cc[l+1],i=Cc[l+2]),f=Math.min(a=Cc[u],s=Cc[u+1],o=Cc[u+2]);if(c!==f)return c-f;var p=Math.max(n,r,i),A=Math.max(a,s,o);return p!==A?p-A:0}function Bc(e,t){for(var n=new Int32Array(e.length/3),r=0,i=n.length;r<i;r++)n[r]=r;Cc=new Int32Array(e.length);for(var a=0,s=e.length;a<s;a++)Cc[a]=e[a]>>t;n.sort(_c);for(var o=new Int32Array(e.length),l=0,u=n.length;l<u;l++)o[3*l+0]=e[3*n[l]+0],o[3*l+1]=e[3*n[l]+1],o[3*l+2]=e[3*n[l]+2];return o}var Oc=null;function Sc(e,t){var n=Oc[2*e]-Oc[2*t];return 0!==n?n:Oc[2*e+1]-Oc[2*t+1]}function Nc(e){if(0===(e||[]).length)return[];for(var t=new Int32Array(e.length/2),n=0,r=t.length;n<r;n++)t[n]=n;for(var i=0,a=e.length;i<a;i+=2)if(e[i]>e[i+1]){var s=e[i];e[i]=e[i+1],e[i+1]=s}Oc=new Int32Array(e),t.sort(Sc);for(var o=new Int32Array(e.length),l=0,u=t.length;l<u;l++)o[2*l+0]=e[2*t[l]+0],o[2*l+1]=e[2*t[l]+1];return o}function Lc(e,t){var n={},r={};e.forEach((function(e){for(var t=e.indices,i=e.edgeIndices,a=e.positionsCompressed,s=0,o=t.length;s<o;s+=3){var l=a[3*t[s]]+"_"+a[3*t[s]+1]+"_"+a[3*t[s]+2]+"/"+a[3*t[s+1]]+"_"+a[3*t[s+1]+1]+"_"+a[3*t[s+1]+2]+"/"+a[3*t[s+2]]+"_"+a[3*t[s+2]+1]+"_"+a[3*t[s+2]+2];n[l]=!0}e.edgeIndices.length/2;for(var u=0,c=i.length;u<c;u+=2){var f=a[3*i[u]]+"_"+a[3*i[u]+1]+"_"+a[3*i[u]+2]+"/"+a[3*i[u+1]]+"_"+a[3*i[u+1]+1]+"_"+a[3*i[u+1]+2]+"/";r[f]=!0}}));var i=t.indices;t.edgeIndices;for(var a=t.positionsCompressed,s=0,o=i.length;s<o;s+=3){var l=a[3*i[s]]+"_"+a[3*i[s]+1]+"_"+a[3*i[s]+2]+"/"+a[3*i[s+1]]+"_"+a[3*i[s+1]+1]+"_"+a[3*i[s+1]+2]+"/"+a[3*i[s+2]]+"_"+a[3*i[s+2]+1]+"_"+a[3*i[s+2]+2];if(!(l in n))throw console.log("Not found "+l),"Ohhhh!"}}var xc=Z.vec3(),Mc=Z.vec3(),Fc=Z.vec3(),Hc=Z.vec3(),Uc=Z.vec4(),Gc=Z.mat4(),kc=function(){function e(t,n){b(this,e),this._scene=t,this._withSAO=n,this._hash=this._getHash(),this._allocate()}return P(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){var e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,n){var r=this._scene,i=r.camera,a=t.model,s=r.canvas.gl,o=t._state,l=o.textureState,u=t._state.origin,c=a.position,f=a.rotationMatrix,p=a.rotationMatrixConjugate;if(this._program||(this._allocate(),!this.errors)){var A,d;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,o)),l.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);var v=0!==u[0]||0!==u[1]||0!==u[2],h=0!==c[0]||0!==c[1]||0!==c[2];if(v||h){var I=xc;if(v){var y=Z.transformPoint3(f,u,Mc);I[0]=y[0],I[1]=y[1],I[2]=y[2]}else I[0]=0,I[1]=0,I[2]=0;I[0]+=c[0],I[1]+=c[1],I[2]+=c[2],A=Ie(i.viewMatrix,I,Gc),(d=Fc)[0]=i.eye[0]-I[0],d[1]=i.eye[1]-I[1],d[2]=i.eye[2]-I[2]}else A=i.viewMatrix,d=i.eye;if(s.uniformMatrix4fv(this._uSceneModelWorldMatrix,!1,p),s.uniformMatrix4fv(this._uViewMatrix,!1,A),s.uniformMatrix4fv(this._uProjMatrix,!1,i.projMatrix),s.uniform3fv(this._uCameraEyeRtc,d),s.uniform1i(this._uRenderPass,n),r.logarithmicDepthBufferEnabled){var m=2/(Math.log(e.pickZFar+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,m)}var w=r._sectionPlanesState.sectionPlanes.length;if(w>0)for(var g=r._sectionPlanesState.sectionPlanes,T=t.layerIndex*w,E=a.renderFlags,b=0;b<w;b++){var D=this._uSectionPlanes[b];if(D){var P=E.sectionPlanesActivePerLayer[T+b];if(s.uniform1i(D.active,P?1:0),P){var R=g[b];if(u){var C=ge(R.dist,R.dir,u,Hc);s.uniform3fv(D.pos,C)}else s.uniform3fv(D.pos,R.pos);s.uniform3fv(D.dir,R.dir)}}}o.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),s.drawArrays(s.TRIANGLES,0,o.numIndices8Bits)),o.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),s.drawArrays(s.TRIANGLES,0,o.numIndices16Bits)),o.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),s.drawArrays(s.TRIANGLES,0,o.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl,n=e._lightsState;if(this._program=new pt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var r=this._program;this._uRenderPass=r.getLocation("renderPass"),this._uLightAmbient=r.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];for(var i=n.lights,a=0,s=i.length;a<s;a++)switch(i[a].type){case"dir":this._uLightColor[a]=r.getLocation("lightColor"+a),this._uLightPos[a]=null,this._uLightDir[a]=r.getLocation("lightDir"+a);break;case"point":this._uLightColor[a]=r.getLocation("lightColor"+a),this._uLightPos[a]=r.getLocation("lightPos"+a),this._uLightDir[a]=null,this._uLightAttenuation[a]=r.getLocation("lightAttenuation"+a);break;case"spot":this._uLightColor[a]=r.getLocation("lightColor"+a),this._uLightPos[a]=r.getLocation("lightPos"+a),this._uLightDir[a]=r.getLocation("lightDir"+a),this._uLightAttenuation[a]=r.getLocation("lightAttenuation"+a)}this._uSceneModelWorldMatrix=r.getLocation("sceneModelWorldMatrix"),this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(var o=0,l=e._sectionPlanesState.sectionPlanes.length;o<l;o++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+o),pos:r.getLocation("sectionPlanePos"+o),dir:r.getLocation("sectionPlaneDir"+o)});this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=r.getLocation("uSAOParams")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=r.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(e){var t=this._scene,n=t.canvas.gl,r=this._program,i=t._lightsState.lights,a=t.camera.project;r.bind(),this._uLightAmbient&&n.uniform4fv(this._uLightAmbient,t._lightsState.getAmbientColorAndIntensity());for(var s=0,o=i.length;s<o;s++){var l=i[s];this._uLightColor[s]&&n.uniform4f(this._uLightColor[s],l.color[0],l.color[1],l.color[2],l.intensity),this._uLightPos[s]&&(n.uniform3fv(this._uLightPos[s],l.pos),this._uLightAttenuation[s]&&n.uniform1f(this._uLightAttenuation[s],l.attenuation)),this._uLightDir[s]&&n.uniform3fv(this._uLightDir[s],l.dir)}if(this._withSAO){var u=t.sao;if(u.possible){var c=n.drawingBufferWidth,f=n.drawingBufferHeight;Uc[0]=c,Uc[1]=f,Uc[2]=u.blendCutoff,Uc[3]=u.blendFactor,n.uniform4fv(this._uSAOParams,Uc),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,10)}}if(t.logarithmicDepthBufferEnabled){var p=2/(Math.log(a.far+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,p)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e,t=this._scene,n=t._sectionPlanesState,r=t._lightsState,i=n.sectionPlanes.length>0,a=[];a.push("#version 300 es"),a.push("// TrianglesDataTextureColorRenderer vertex shader"),a.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),a.push("precision highp float;"),a.push("precision highp int;"),a.push("precision highp usampler2D;"),a.push("precision highp isampler2D;"),a.push("precision highp sampler2D;"),a.push("#else"),a.push("precision mediump float;"),a.push("precision mediump int;"),a.push("precision mediump usampler2D;"),a.push("precision mediump isampler2D;"),a.push("precision mediump sampler2D;"),a.push("#endif"),a.push("uniform int renderPass;"),t.entityOffsetsEnabled&&a.push("in vec3 offset;"),a.push("uniform mat4 sceneModelWorldMatrix;"),a.push("uniform mat4 viewMatrix;"),a.push("uniform mat4 projMatrix;"),a.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),a.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),a.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),a.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),a.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),a.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),a.push("uniform highp sampler2D uTextureModelMatrices;"),a.push("uniform vec3 uCameraEyeRtc;"),a.push("vec3 positions[3];"),t.logarithmicDepthBufferEnabled&&(a.push("uniform float logDepthBufFC;"),a.push("out float vFragDepth;"),a.push("out float isPerspective;")),a.push("bool isPerspectiveMatrix(mat4 m) {"),a.push("    return (m[2][3] == - 1.0);"),a.push("}"),a.push("uniform vec4 lightAmbient;");for(var s=0,o=r.lights.length;s<o;s++)"ambient"!==(e=r.lights[s]).type&&(a.push("uniform vec4 lightColor"+s+";"),"dir"===e.type&&a.push("uniform vec3 lightDir"+s+";"),"point"===e.type&&a.push("uniform vec3 lightPos"+s+";"),"spot"===e.type&&(a.push("uniform vec3 lightPos"+s+";"),a.push("uniform vec3 lightDir"+s+";")));i&&(a.push("out vec4 vWorldPosition;"),a.push("flat out uint vFlags2;")),a.push("out vec4 vColor;"),a.push("void main(void) {"),a.push("int polygonIndex = gl_VertexID / 3;"),a.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),a.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),a.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),a.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),a.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),a.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),a.push("if (int(flags.x) != renderPass) {"),a.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),a.push("   return;"),a.push("} else {"),a.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),a.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),a.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),a.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),a.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),a.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),a.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),a.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),a.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),a.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),a.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),a.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),a.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),a.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),a.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),a.push("uvec4 color = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),a.push("if (color.a == 0u) {"),a.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),a.push("   return;"),a.push("};"),a.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),a.push("vec3 position;"),a.push("position = positions[gl_VertexID % 3];"),a.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),a.push("if (solid != 1u) {"),a.push("if (isPerspectiveMatrix(projMatrix)) {"),a.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),a.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),a.push("position = positions[2 - (gl_VertexID % 3)];"),a.push("viewNormal = -viewNormal;"),a.push("}"),a.push("} else {"),a.push("if (viewNormal.z < 0.0) {"),a.push("position = positions[2 - (gl_VertexID % 3)];"),a.push("viewNormal = -viewNormal;"),a.push("}"),a.push("}"),a.push("}"),a.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),a.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),a.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),a.push("vec4 viewPosition = viewMatrix * worldPosition; "),a.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),a.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),a.push("float lambertian = 1.0;");for(var l=0,u=r.lights.length;l<u;l++)if("ambient"!==(e=r.lights[l]).type){if("dir"===e.type)"view"===e.space?a.push("viewLightDir = normalize(lightDir"+l+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+l+", 0.0)).xyz);");else if("point"===e.type)"view"===e.space?a.push("viewLightDir = -normalize(lightPos"+l+" - viewPosition.xyz);"):a.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+l+", 0.0)).xyz);");else{if("spot"!==e.type)continue;"view"===e.space?a.push("viewLightDir = normalize(lightDir"+l+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+l+", 0.0)).xyz);")}a.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),a.push("reflectedColor += lambertian * (lightColor"+l+".rgb * lightColor"+l+".a);")}return a.push("vec3 rgb = vec3(color.rgb) / 255.0;"),a.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),a.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(a.push("vFragDepth = 1.0 + clipPos.w;"),a.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i&&(a.push("vWorldPosition = worldPosition;"),a.push("vFlags2 = flags2.r;")),a.push("gl_Position = clipPos;"),a.push("}"),a.push("}"),a}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,n=t.sectionPlanes.length>0,r=[];if(r.push("#version 300 es"),r.push("// TrianglesDataTextureColorRenderer fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),this._withSAO&&(r.push("uniform sampler2D uOcclusionTexture;"),r.push("uniform vec4      uSAOParams;"),r.push("const float       packUpscale = 256. / 255.;"),r.push("const float       unpackDownScale = 255. / 256.;"),r.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),r.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),r.push("float unpackRGBToFloat( const in vec4 v ) {"),r.push("    return dot( v, unPackFactors );"),r.push("}")),n){r.push("in vec4 vWorldPosition;"),r.push("flat in uint vFlags2;");for(var i=0,a=t.sectionPlanes.length;i<a;i++)r.push("uniform bool sectionPlaneActive"+i+";"),r.push("uniform vec3 sectionPlanePos"+i+";"),r.push("uniform vec3 sectionPlaneDir"+i+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),n){r.push("  bool clippable = vFlags2 > 0u;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var s=0,o=t.sectionPlanes.length;s<o;s++)r.push("if (sectionPlaneActive"+s+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { "),r.push("      discard;"),r.push("  }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(r.push("   float viewportWidth     = uSAOParams[0];"),r.push("   float viewportHeight    = uSAOParams[1];"),r.push("   float blendCutoff       = uSAOParams[2];"),r.push("   float blendFactor       = uSAOParams[3];"),r.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),r.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),r.push("   outColor            = vec4(vColor.rgb * ambient, 1.0);")):r.push("   outColor            = vColor;"),r.push("}"),r}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),jc=new Float32Array([1,1,1]),Vc=Z.vec3(),Qc=Z.vec3(),Wc=Z.vec3(),zc=Z.vec3(),Kc=Z.mat4(),Yc=function(){function e(t,n){b(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return P(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,n){var r=this._scene,i=r.camera,a=t.model,s=r.canvas.gl,o=t._state,l=o.textureState,u=t._state.origin,c=a.position,f=a.rotationMatrix,p=a.rotationMatrixConjugate,A=i.viewMatrix;if(this._program||(this._allocate(),!this.errors)){var d,v;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,o)),l.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets),u||0!==c[0]||0!==c[1]||0!==c[2]){var h=Vc;if(u){var I=Qc;Z.transformPoint3(f,u,I),h[0]=I[0],h[1]=I[1],h[2]=I[2]}else h[0]=0,h[1]=0,h[2]=0;h[0]+=c[0],h[1]+=c[1],h[2]+=c[2],d=Ie(A,h,Kc),(v=Wc)[0]=i.eye[0]-h[0],v[1]=i.eye[1]-h[1],v[2]=i.eye[2]-h[2]}else d=A,v=i.eye;if(s.uniform3fv(this._uCameraEyeRtc,v),s.uniform1i(this._uRenderPass,n),s.uniformMatrix4fv(this._uWorldMatrix,!1,p),s.uniformMatrix4fv(this._uViewMatrix,!1,d),s.uniformMatrix4fv(this._uProjMatrix,!1,i.projMatrix),n===to.SILHOUETTE_XRAYED){var y=r.xrayMaterial._state,m=y.fillColor,w=y.fillAlpha;s.uniform4f(this._uColor,m[0],m[1],m[2],w)}else if(n===to.SILHOUETTE_HIGHLIGHTED){var g=r.highlightMaterial._state,T=g.fillColor,E=g.fillAlpha;s.uniform4f(this._uColor,T[0],T[1],T[2],E)}else if(n===to.SILHOUETTE_SELECTED){var b=r.selectedMaterial._state,D=b.fillColor,P=b.fillAlpha;s.uniform4f(this._uColor,D[0],D[1],D[2],P)}else s.uniform4fv(this._uColor,jc);if(r.logarithmicDepthBufferEnabled){var R=2/(Math.log(e.pickZFar+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,R)}var C=r._sectionPlanesState.sectionPlanes.length;if(C>0)for(var _=r._sectionPlanesState.sectionPlanes,B=t.layerIndex*C,O=a.renderFlags,S=0;S<C;S++){var N=this._uSectionPlanes[S];if(N){var L=O.sectionPlanesActivePerLayer[B+S];if(s.uniform1i(N.active,L?1:0),L){var x=_[S];if(u){var M=ge(x.dist,x.dir,u,zc);s.uniform3fv(N.pos,M)}else s.uniform3fv(N.pos,x.pos);s.uniform3fv(N.dir,x.dir)}}}o.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),s.drawArrays(s.TRIANGLES,0,o.numIndices8Bits)),o.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),s.drawArrays(s.TRIANGLES,0,o.numIndices16Bits)),o.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),s.drawArrays(s.TRIANGLES,0,o.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new pt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var n=this._program;this._uRenderPass=n.getLocation("renderPass"),this._uColor=n.getLocation("color"),this._uWorldMatrix=n.getLocation("worldMatrix"),this._uViewMatrix=n.getLocation("viewMatrix"),this._uProjMatrix=n.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,i=e._sectionPlanesState.sectionPlanes.length;r<i;r++)this._uSectionPlanes.push({active:n.getLocation("sectionPlaneActive"+r),pos:n.getLocation("sectionPlanePos"+r),dir:n.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=n.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=n.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(e){var t=this._scene,n=t.canvas.gl,r=t.camera.project;if(this._program.bind(),t.logarithmicDepthBufferEnabled){var i=2/(Math.log(r.far+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,i)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,n=[];return n.push("#version 300 es"),n.push("// Triangles dataTexture silhouette vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("precision highp usampler2D;"),n.push("precision highp isampler2D;"),n.push("precision highp sampler2D;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("precision mediump usampler2D;"),n.push("precision mediump isampler2D;"),n.push("precision mediump sampler2D;"),n.push("#endif"),n.push("uniform int renderPass;"),e.entityOffsetsEnabled&&n.push("in vec3 offset;"),n.push("uniform mat4 worldMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),n.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),n.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),n.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),n.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),n.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),n.push("uniform highp sampler2D uTextureModelMatrices;"),n.push("uniform vec3 uCameraEyeRtc;"),n.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("out float isPerspective;")),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),t&&(n.push("out vec4 vWorldPosition;"),n.push("flat out uint vFlags2;")),n.push("void main(void) {"),n.push("int polygonIndex = gl_VertexID / 3;"),n.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),n.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),n.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),n.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),n.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),n.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),n.push("if (int(flags.y) != renderPass) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("} else {"),n.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),n.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),n.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),n.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),n.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),n.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),n.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),n.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),n.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),n.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),n.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),n.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),n.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),n.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),n.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),n.push("vec3 position;"),n.push("position = positions[gl_VertexID % 3];"),n.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),n.push("if (solid != 1u) {"),n.push("if (isPerspectiveMatrix(projMatrix)) {"),n.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),n.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),n.push("position = positions[2 - (gl_VertexID % 3)];"),n.push("viewNormal = -viewNormal;"),n.push("}"),n.push("} else {"),n.push("if (viewNormal.z < 0.0) {"),n.push("position = positions[2 - (gl_VertexID % 3)];"),n.push("viewNormal = -viewNormal;"),n.push("}"),n.push("}"),n.push("}"),n.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),n.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),n.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),n.push("vec4 viewPosition = viewMatrix * worldPosition; "),n.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(n.push("vWorldPosition = worldPosition;"),n.push("vFlags2 = flags2.r;")),n.push("gl_Position = clipPos;"),n.push("}"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,n=t.sectionPlanes.length>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles dataTexture draw fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),n){r.push("in vec4 vWorldPosition;"),r.push("flat in uint vFlags2;");for(var i=0,a=t.sectionPlanes.length;i<a;i++)r.push("uniform bool sectionPlaneActive"+i+";"),r.push("uniform vec3 sectionPlanePos"+i+";"),r.push("uniform vec3 sectionPlaneDir"+i+";")}if(r.push("uniform vec4 color;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),n){r.push("  bool clippable = vFlags2 > 0u;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var s=0,o=t.sectionPlanes.length;s<o;s++)r.push("if (sectionPlaneActive"+s+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { "),r.push("      discard;"),r.push("  }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outColor = color;"),r.push("}"),r}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),Xc=new Float32Array([0,0,0,1]),qc=Z.vec3(),Jc=Z.vec3();Z.vec3();var Zc=Z.vec3(),$c=Z.mat4(),ef=function(){function e(t){b(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return P(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,n){var r=t.model,i=r.scene,a=i.camera,s=i.canvas.gl,o=t._state,l=o.textureState,u=t._state.origin,c=r.position,f=r.rotationMatrix,p=r.rotationMatrixConjugate,A=a.viewMatrix;if(this._program||(this._allocate(t),!this.errors)){var d;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);var v=0!==u[0]||0!==u[1]||0!==u[2],h=0!==c[0]||0!==c[1]||0!==c[2];if(v||h){var I=qc;if(v){var y=Jc;Z.transformPoint3(f,u,y),I[0]=y[0],I[1]=y[1],I[2]=y[2]}else I[0]=0,I[1]=0,I[2]=0;I[0]+=c[0],I[1]+=c[1],I[2]+=c[2],d=Ie(A,I,$c)}else d=A;if(s.uniform1i(this._uRenderPass,n),s.uniformMatrix4fv(this._uSceneModelWorldMatrix,!1,p),s.uniformMatrix4fv(this._uViewMatrix,!1,d),s.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix),n===to.EDGES_XRAYED){var m=i.xrayMaterial._state,w=m.edgeColor,g=m.edgeAlpha;s.uniform4f(this._uColor,w[0],w[1],w[2],g)}else if(n===to.EDGES_HIGHLIGHTED){var T=i.highlightMaterial._state,E=T.edgeColor,b=T.edgeAlpha;s.uniform4f(this._uColor,E[0],E[1],E[2],b)}else if(n===to.EDGES_SELECTED){var D=i.selectedMaterial._state,P=D.edgeColor,R=D.edgeAlpha;s.uniform4f(this._uColor,P[0],P[1],P[2],R)}else s.uniform4fv(this._uColor,Xc);var C=i._sectionPlanesState.sectionPlanes.length;if(C>0)for(var _=i._sectionPlanesState.sectionPlanes,B=t.layerIndex*C,O=r.renderFlags,S=0;S<C;S++){var N=this._uSectionPlanes[S];if(N){var L=O.sectionPlanesActivePerLayer[B+S];if(s.uniform1i(N.active,L?1:0),L){var x=_[S];if(u){var M=ge(x.dist,x.dir,u,Zc);s.uniform3fv(N.pos,M)}else s.uniform3fv(N.pos,x.pos);s.uniform3fv(N.dir,x.dir)}}}o.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),s.drawArrays(s.LINES,0,o.numEdgeIndices8Bits)),o.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),s.drawArrays(s.LINES,0,o.numEdgeIndices16Bits)),o.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),s.drawArrays(s.LINES,0,o.numEdgeIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new pt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var n=this._program;this._uRenderPass=n.getLocation("renderPass"),this._uColor=n.getLocation("color"),this._uSceneModelWorldMatrix=n.getLocation("sceneModelWorldMatrix"),this._uWorldMatrix=n.getLocation("worldMatrix"),this._uViewMatrix=n.getLocation("viewMatrix"),this._uProjMatrix=n.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,i=e._sectionPlanesState.sectionPlanes.length;r<i;r++)this._uSectionPlanes.push({active:n.getLocation("sectionPlaneActive"+r),pos:n.getLocation("sectionPlanePos"+r),dir:n.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=n.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets"}}},{key:"_bindProgram",value:function(){var e=this._scene,t=e.canvas.gl,n=this._program,r=e.camera.project;if(n.bind(),e.logarithmicDepthBufferEnabled){var i=2/(Math.log(r.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,i)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,n=[];return n.push("#version 300 es"),n.push("// Batched geometry edges drawing vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("precision highp usampler2D;"),n.push("precision highp isampler2D;"),n.push("precision highp sampler2D;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("precision mediump usampler2D;"),n.push("precision mediump isampler2D;"),n.push("precision mediump sampler2D;"),n.push("#endif"),n.push("uniform int renderPass;"),e.entityOffsetsEnabled&&n.push("in vec3 offset;"),n.push("uniform mat4 sceneModelWorldMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),n.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),n.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),n.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),n.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),n.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),n.push("uniform highp sampler2D uTextureModelMatrices;"),n.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;")),t&&(n.push("out vec4 vWorldPosition;"),n.push("flat out uint vFlags2;")),n.push("out vec4 vColor;"),n.push("void main(void) {"),n.push("int edgeIndex = gl_VertexID / 2;"),n.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),n.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),n.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),n.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),n.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),n.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),n.push("if (int(flags.z) != renderPass) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("} else {"),n.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),n.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),n.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),n.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),n.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),n.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),n.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),n.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),n.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),n.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),n.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),n.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),n.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),n.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),n.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),n.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),n.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),n.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(n.push("  vWorldPosition = worldPosition;"),n.push("  vFlags2 = flags2.r;")),n.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),n.push("gl_Position = clipPos;"),n.push("vColor = vec4(color.r, color.g, color.b, color.a);"),n.push("}"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,n=t.sectionPlanes.length>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry edges drawing fragment shader"),e.logarithmicDepthBufferEnabled&&r.push("#extension GL_EXT_frag_depth : enable"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),n){r.push("in vec4 vWorldPosition;"),r.push("flat in uint vFlags2;");for(var i=0,a=t.sectionPlanes.length;i<a;i++)r.push("uniform bool sectionPlaneActive"+i+";"),r.push("uniform vec3 sectionPlanePos"+i+";"),r.push("uniform vec3 sectionPlaneDir"+i+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),n){r.push("  bool clippable = vFlags2 > 0u;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var s=0,o=t.sectionPlanes.length;s<o;s++)r.push("if (sectionPlaneActive"+s+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("   outColor            = vColor;"),r.push("}"),r}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),tf=Z.vec3(),nf=Z.vec3(),rf=Z.vec3(),af=Z.mat4(),sf=function(){function e(t){b(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return P(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,n){var r=t.model,i=r.scene,a=i.camera,s=i.canvas.gl,o=t._state,l=o.textureState,u=t._state.origin,c=r.position,f=r.rotationMatrix,p=r.rotationMatrixConjugate,A=a.viewMatrix;if(this._program||(this._allocate(t),!this.errors)){var d;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);var v=0!==u[0]||0!==u[1]||0!==u[2],h=0!==c[0]||0!==c[1]||0!==c[2];if(v||h){var I=tf;if(v){var y=nf;Z.transformPoint3(f,u,y),I[0]=y[0],I[1]=y[1],I[2]=y[2]}else I[0]=0,I[1]=0,I[2]=0;I[0]+=c[0],I[1]+=c[1],I[2]+=c[2],d=Ie(A,I,af)}else d=A;s.uniform1i(this._uRenderPass,n),s.uniformMatrix4fv(this._uSceneModelWorldMatrix,!1,p),s.uniformMatrix4fv(this._uViewMatrix,!1,d),s.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix);var m=i._sectionPlanesState.sectionPlanes.length;if(m>0)for(var w=i._sectionPlanesState.sectionPlanes,g=t.layerIndex*m,T=r.renderFlags,E=0;E<m;E++){var b=this._uSectionPlanes[E];if(b){var D=T.sectionPlanesActivePerLayer[g+E];if(s.uniform1i(b.active,D?1:0),D){var P=w[E];if(u){var R=ge(P.dist,P.dir,u,rf);s.uniform3fv(b.pos,R)}else s.uniform3fv(b.pos,P.pos);s.uniform3fv(b.dir,P.dir)}}}o.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),s.drawArrays(s.LINES,0,o.numEdgeIndices8Bits)),o.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),s.drawArrays(s.LINES,0,o.numEdgeIndices16Bits)),o.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),s.drawArrays(s.LINES,0,o.numEdgeIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new pt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var n=this._program;this._uRenderPass=n.getLocation("renderPass"),this._uSceneModelWorldMatrix=n.getLocation("sceneModelWorldMatrix"),this._uWorldMatrix=n.getLocation("worldMatrix"),this._uViewMatrix=n.getLocation("viewMatrix"),this._uProjMatrix=n.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,i=e._sectionPlanesState.sectionPlanes.length;r<i;r++)this._uSectionPlanes.push({active:n.getLocation("sectionPlaneActive"+r),pos:n.getLocation("sectionPlanePos"+r),dir:n.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=n.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets"}}},{key:"_bindProgram",value:function(){var e=this._scene,t=e.canvas.gl,n=this._program,r=e.camera.project;if(n.bind(),e.logarithmicDepthBufferEnabled){var i=2/(Math.log(r.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,i)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,n=[];return n.push("#version 300 es"),n.push("// Batched geometry edges drawing vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("precision highp usampler2D;"),n.push("precision highp isampler2D;"),n.push("precision highp sampler2D;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("precision mediump usampler2D;"),n.push("precision mediump isampler2D;"),n.push("precision mediump sampler2D;"),n.push("#endif"),n.push("uniform int renderPass;"),e.entityOffsetsEnabled&&n.push("in vec3 offset;"),n.push("uniform mat4 sceneModelWorldMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),n.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),n.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),n.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),n.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),n.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),n.push("uniform highp sampler2D uTextureModelMatrices;"),e.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;")),t&&(n.push("out vec4 vWorldPosition;"),n.push("flat out uint vFlags2;")),n.push("out vec4 vColor;"),n.push("void main(void) {"),n.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),n.push("int edgeIndex = gl_VertexID / 2;"),n.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),n.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),n.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),n.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),n.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),n.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),n.push("if (int(flags.z) != renderPass) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("} else {"),n.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),n.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),n.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),n.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),n.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),n.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),n.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),n.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),n.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),n.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),n.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),n.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),n.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),n.push("uvec4 color = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),n.push("if (color.a == 0u) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("};"),n.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),n.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),n.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),n.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(n.push("  vWorldPosition = worldPosition;"),n.push("  vFlags2 = flags2.r;")),n.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),n.push("gl_Position = clipPos;"),n.push("vec4 rgb = vec4(color.rgba);"),n.push("vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),n.push("}"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,n=t.sectionPlanes.length>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry edges drawing fragment shader"),e.logarithmicDepthBufferEnabled&&r.push("#extension GL_EXT_frag_depth : enable"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),n){r.push("in vec4 vWorldPosition;"),r.push("flat in uint vFlags2;");for(var i=0,a=t.sectionPlanes.length;i<a;i++)r.push("uniform bool sectionPlaneActive"+i+";"),r.push("uniform vec3 sectionPlanePos"+i+";"),r.push("uniform vec3 sectionPlaneDir"+i+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),n){r.push("  bool clippable = vFlags2 > 0u;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var s=0,o=t.sectionPlanes.length;s<o;s++)r.push("if (sectionPlaneActive"+s+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("   outColor            = vColor;"),r.push("}"),r}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),of=Z.vec3(),lf=Z.vec3(),uf=Z.vec3(),cf=Z.mat4(),ff=function(){function e(t){b(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return P(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,n){if(this._program||(this._allocate(t),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e));var r,i,a=t.model,s=a.scene,o=s.camera,l=s.canvas.gl,u=t._state,c=u.textureState,f=t._state.origin,p=a.position,A=a.rotationMatrix,d=a.rotationMatrixConjugate;c.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);var v=0!==f[0]||0!==f[1]||0!==f[2],h=0!==p[0]||0!==p[1]||0!==p[2];if(v||h){var I=of;if(v){var y=Z.transformPoint3(A,f,lf);I[0]=y[0],I[1]=y[1],I[2]=y[2]}else I[0]=0,I[1]=0,I[2]=0;I[0]+=p[0],I[1]+=p[1],I[2]+=p[2],r=Ie(o.viewMatrix,I,cf),(i=uf)[0]=o.eye[0]-I[0],i[1]=o.eye[1]-I[1],i[2]=o.eye[2]-I[2]}else r=o.viewMatrix,i=o.eye;if(l.uniformMatrix4fv(this._uSceneModelWorldMatrix,!1,d),l.uniformMatrix4fv(this._uViewMatrix,!1,r),l.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),l.uniform3fv(this._uCameraEyeRtc,i),l.uniform1i(this._uRenderPass,n),s.logarithmicDepthBufferEnabled){var m=2/(Math.log(o.project.far+1)/Math.LN2);l.uniform1f(this._uLogDepthBufFC,m)}var w=s._sectionPlanesState.sectionPlanes.length;if(w>0)for(var g=s._sectionPlanesState.sectionPlanes,T=t.layerIndex*w,E=a.renderFlags,b=0;b<w;b++){var D=this._uSectionPlanes[b];if(D){var P=E.sectionPlanesActivePerLayer[T+b];if(l.uniform1i(D.active,P?1:0),P){var R=g[b];if(f){var C=ge(R.dist,R.dir,f,of);l.uniform3fv(D.pos,C)}else l.uniform3fv(D.pos,R.pos);l.uniform3fv(D.dir,R.dir)}}}u.numIndices8Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),l.drawArrays(l.TRIANGLES,0,u.numIndices8Bits)),u.numIndices16Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),l.drawArrays(l.TRIANGLES,0,u.numIndices16Bits)),u.numIndices32Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),l.drawArrays(l.TRIANGLES,0,u.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new pt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var n=this._program;this._uRenderPass=n.getLocation("renderPass"),this._uPickInvisible=n.getLocation("pickInvisible"),this._uSceneModelWorldMatrix=n.getLocation("sceneModelWorldMatrix"),this._uViewMatrix=n.getLocation("viewMatrix"),this._uProjMatrix=n.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,i=e._sectionPlanesState.sectionPlanes.length;r<i;r++)this._uSectionPlanes.push({active:n.getLocation("sectionPlaneActive"+r),pos:n.getLocation("sectionPlanePos"+r),dir:n.getLocation("sectionPlaneDir"+r)});this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=n.getLocation("uSAOParams")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=n.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=n.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(e){var t=this._scene.canvas.gl;this._program.bind(),t.uniform1i(this._uPickInvisible,e.pickInvisible)}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,n=[];return n.push("#version 300 es"),n.push("// Batched geometry picking vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("precision highp usampler2D;"),n.push("precision highp isampler2D;"),n.push("precision highp sampler2D;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("precision mediump usampler2D;"),n.push("precision mediump isampler2D;"),n.push("precision mediump sampler2D;"),n.push("#endif"),n.push("uniform int renderPass;"),e.entityOffsetsEnabled&&n.push("in vec3 offset;"),n.push("uniform mat4 sceneModelWorldMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform bool pickInvisible;"),n.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),n.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),n.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),n.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),n.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),n.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),n.push("uniform highp sampler2D uTextureModelMatrices;"),n.push("uniform vec3 uCameraEyeRtc;"),n.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("out float isPerspective;")),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),t&&(n.push("smooth out vec4 vWorldPosition;"),n.push("flat out uvec4 vFlags2;")),n.push("out vec4 vPickColor;"),n.push("void main(void) {"),n.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),n.push("int polygonIndex = gl_VertexID / 3;"),n.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),n.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),n.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),n.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),n.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),n.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),n.push("if (int(flags.w) != renderPass) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("} else {"),n.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),n.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),n.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),n.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),n.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),n.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),n.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),n.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),n.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),n.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),n.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),n.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),n.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),n.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),n.push("uvec4 color = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),n.push("if (color.a == 0u) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("};"),n.push("vPickColor = vec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0)) / 255.0;"),n.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),n.push("vec3 position;"),n.push("position = positions[gl_VertexID % 3];"),n.push("if (solid != 1u) {"),n.push("if (isPerspectiveMatrix(projMatrix)) {"),n.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),n.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),n.push("position = positions[2 - (gl_VertexID % 3)];"),n.push("}"),n.push("} else {"),n.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),n.push("if (viewNormal.z < 0.0) {"),n.push("position = positions[2 - (gl_VertexID % 3)];"),n.push("}"),n.push("}"),n.push("}"),n.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),n.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),n.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),n.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(n.push("      vWorldPosition = worldPosition;"),n.push("      vFlags2 = flags2;")),n.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),n.push("gl_Position = clipPos;"),n.push("  }"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,n=t.sectionPlanes.length>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry picking fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),n){r.push("in vec4 vWorldPosition;"),r.push("flat in uvec4 vFlags2;");for(var i=0;i<t.sectionPlanes.length;i++)r.push("uniform bool sectionPlaneActive"+i+";"),r.push("uniform vec3 sectionPlanePos"+i+";"),r.push("uniform vec3 sectionPlaneDir"+i+";")}if(r.push("in vec4 vPickColor;"),r.push("out vec4 outPickColor;"),r.push("void main(void) {"),n){r.push("  bool clippable = (float(vFlags2.x) > 0.0);"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(i=0;i<t.sectionPlanes.length;i++)r.push("      if (sectionPlaneActive"+i+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("   outPickColor = vPickColor; "),r.push("}"),r}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),pf=Z.vec3(),Af=Z.vec3(),df=Z.vec3(),vf=Z.vec3(),hf=Z.mat4(),If=function(){function e(t){b(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return P(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,n){var r,i,a=t.model,s=a.scene,o=s.camera,l=s.canvas.gl,u=t._state,c=u.textureState,f=t._state.origin,p=a.position,A=a.rotationMatrix,d=a.rotationMatrixConjugate,v=e.pickViewMatrix||o.viewMatrix;if(this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),c.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets),o.eye,f||0!==p[0]||0!==p[1]||0!==p[2]){var h=pf;if(f){var I=Af;Z.transformPoint3(A,f,I),h[0]=I[0],h[1]=I[1],h[2]=I[2]}else h[0]=0,h[1]=0,h[2]=0;h[0]+=p[0],h[1]+=p[1],h[2]+=p[2],r=Ie(v,h,hf),(i=df)[0]=o.eye[0]-h[0],i[1]=o.eye[1]-h[1],i[2]=o.eye[2]-h[2],e.snapPickOrigin[0]=h[0],e.snapPickOrigin[1]=h[1],e.snapPickOrigin[2]=h[2]}else r=v,i=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;if(l.uniform3fv(this._uCameraEyeRtc,i),l.uniform1i(this._uRenderPass,n),l.uniform1i(this._uPickInvisible,e.pickInvisible),l.uniform1f(this._uPickZNear,e.pickZNear),l.uniform1f(this._uPickZFar,e.pickZFar),l.uniformMatrix4fv(this._uWorldMatrix,!1,d),l.uniformMatrix4fv(this._uViewMatrix,!1,r),l.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),s.logarithmicDepthBufferEnabled){var y=2/(Math.log(e.pickZFar+1)/Math.LN2);l.uniform1f(this._uLogDepthBufFC,y)}var m=s._sectionPlanesState.sectionPlanes.length;if(m>0)for(var w=s._sectionPlanesState.sectionPlanes,g=t.layerIndex*m,T=a.renderFlags,E=0;E<m;E++){var b=this._uSectionPlanes[E];if(b){var D=T.sectionPlanesActivePerLayer[g+E];if(l.uniform1i(b.active,D?1:0),D){var P=w[E];if(f){var R=ge(P.dist,P.dir,f,vf);l.uniform3fv(b.pos,R)}else l.uniform3fv(b.pos,P.pos);l.uniform3fv(b.dir,P.dir)}}}u.numIndices8Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),l.drawArrays(l.TRIANGLES,0,u.numIndices8Bits)),u.numIndices16Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),l.drawArrays(l.TRIANGLES,0,u.numIndices16Bits)),u.numIndices32Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),l.drawArrays(l.TRIANGLES,0,u.numIndices32Bits)),e.drawElements++}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new pt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var n=this._program;this._uRenderPass=n.getLocation("renderPass"),this._uPickInvisible=n.getLocation("pickInvisible"),this._uWorldMatrix=n.getLocation("worldMatrix"),this._uViewMatrix=n.getLocation("viewMatrix"),this._uProjMatrix=n.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,i=e._sectionPlanesState.sectionPlanes.length;r<i;r++)this._uSectionPlanes.push({active:n.getLocation("sectionPlaneActive"+r),pos:n.getLocation("sectionPlanePos"+r),dir:n.getLocation("sectionPlaneDir"+r)});this._uPickZNear=n.getLocation("pickZNear"),this._uPickZFar=n.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=n.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureCameraMatrices="uTextureCameraMatrices",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=n.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,n=[];return n.push("#version 300 es"),n.push("// Triangles dataTexture pick depth vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("precision highp usampler2D;"),n.push("precision highp isampler2D;"),n.push("precision highp sampler2D;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("precision mediump usampler2D;"),n.push("precision mediump isampler2D;"),n.push("precision mediump sampler2D;"),n.push("#endif"),n.push("uniform int renderPass;"),e.entityOffsetsEnabled&&n.push("in vec3 offset;"),n.push("uniform mat4 worldMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform bool pickInvisible;"),n.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),n.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),n.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),n.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),n.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),n.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),n.push("uniform highp sampler2D uTextureModelMatrices;"),n.push("uniform vec3 uCameraEyeRtc;"),n.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("out float isPerspective;")),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),t&&(n.push("out vec4 vWorldPosition;"),n.push("flat out uint vFlags2;")),n.push("out vec4 vViewPosition;"),n.push("void main(void) {"),n.push("int polygonIndex = gl_VertexID / 3;"),n.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),n.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),n.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),n.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),n.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),n.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),n.push("if (int(flags.w) != renderPass) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("} else {"),n.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),n.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),n.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),n.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),n.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),n.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),n.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),n.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),n.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),n.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),n.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),n.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),n.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),n.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),n.push("uvec4 color = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),n.push("if (color.a == 0u) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("};"),n.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),n.push("vec3 position;"),n.push("position = positions[gl_VertexID % 3];"),n.push("if (solid != 1u) {"),n.push("if (isPerspectiveMatrix(projMatrix)) {"),n.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),n.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),n.push("position = positions[2 - (gl_VertexID % 3)];"),n.push("}"),n.push("} else {"),n.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),n.push("if (viewNormal.z < 0.0) {"),n.push("position = positions[2 - (gl_VertexID % 3)];"),n.push("}"),n.push("}"),n.push("}"),n.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),n.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),n.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),n.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(n.push("      vWorldPosition = worldPosition;"),n.push("      vFlags2 = flags2.r;")),n.push("vViewPosition = viewPosition;"),n.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),n.push("gl_Position = clipPos;"),n.push("  }"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,n=t.sectionPlanes.length>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles dataTexture pick depth fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("uniform float pickZNear;"),r.push("uniform float pickZFar;"),n){r.push("in vec4 vWorldPosition;"),r.push("flat in uint vFlags2;");for(var i=0;i<t.sectionPlanes.length;i++)r.push("uniform bool sectionPlaneActive"+i+";"),r.push("uniform vec3 sectionPlanePos"+i+";"),r.push("uniform vec3 sectionPlaneDir"+i+";")}if(r.push("in vec4 vViewPosition;"),r.push("vec4 packDepth(const in float depth) {"),r.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),r.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),r.push("  vec4 res = fract(depth * bitShift);"),r.push("  res -= res.xxyz * bitMask;"),r.push("  return res;"),r.push("}"),r.push("out vec4 outPackedDepth;"),r.push("void main(void) {"),n){r.push("  bool clippable = vFlags2 > 0u;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(i=0;i<t.sectionPlanes.length;i++)r.push("      if (sectionPlaneActive"+i+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),r.push("    outPackedDepth = packDepth(zNormalizedDepth); "),r.push("}"),r}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),yf=Z.vec3(),mf=Z.vec3(),wf=Z.vec3(),gf=Z.vec3(),Tf=Z.vec3(),Ef=Z.mat4(),bf=function(){function e(t){b(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return P(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,n){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r,i,a=t.model,s=a.scene,o=s.camera,l=s.canvas.gl,u=t._state,c=u.textureState,f=t._state.origin,p=a.position,A=a.rotationMatrix,d=a.rotationMatrixConjugate,v=t.aabb,h=e.pickViewMatrix||o.viewMatrix,I=yf;I[0]=Z.safeInv(v[3]-v[0])*Z.MAX_INT,I[1]=Z.safeInv(v[4]-v[1])*Z.MAX_INT,I[2]=Z.safeInv(v[5]-v[2])*Z.MAX_INT,e.snapPickCoordinateScale[0]=Z.safeInv(I[0]),e.snapPickCoordinateScale[1]=Z.safeInv(I[1]),e.snapPickCoordinateScale[2]=Z.safeInv(I[2]),c.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);var y=0!==f[0]||0!==f[1]||0!==f[2],m=0!==p[0]||0!==p[1]||0!==p[2];if(y||m){var w=mf;if(y){var g=Z.transformPoint3(A,f,wf);w[0]=g[0],w[1]=g[1],w[2]=g[2]}else w[0]=0,w[1]=0,w[2]=0;w[0]+=p[0],w[1]+=p[1],w[2]+=p[2],r=Ie(h,w,Ef),(i=gf)[0]=o.eye[0]-w[0],i[1]=o.eye[1]-w[1],i[2]=o.eye[2]-w[2],e.snapPickOrigin[0]=w[0],e.snapPickOrigin[1]=w[1],e.snapPickOrigin[2]=w[2]}else r=h,i=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;if(l.uniform3fv(this._uCameraEyeRtc,i),l.uniform2fv(this.uVectorA,e.snapVectorA),l.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),l.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),l.uniform3fv(this._uCoordinateScaler,I),l.uniform1i(this._uRenderPass,n),l.uniform1i(this._uPickInvisible,e.pickInvisible),l.uniformMatrix4fv(this._uSceneModelWorldMatrix,!1,d),l.uniformMatrix4fv(this._uViewMatrix,!1,r),l.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),s.logarithmicDepthBufferEnabled){var T=2/(Math.log(e.pickZFar+1)/Math.LN2);l.uniform1f(this._uLogDepthBufFC,T)}var E=s._sectionPlanesState.sectionPlanes.length;if(E>0)for(var b=s._sectionPlanesState.sectionPlanes,D=t.layerIndex*E,P=a.renderFlags,R=0;R<E;R++){var C=this._uSectionPlanes[R];if(C){var _=P.sectionPlanesActivePerLayer[D+R];if(l.uniform1i(C.active,_?1:0),_){var B=b[R];if(f){var O=ge(B.dist,B.dir,f,Tf);l.uniform3fv(C.pos,O)}else l.uniform3fv(C.pos,B.pos);l.uniform3fv(C.dir,B.dir)}}}var S="edge"===e.snapMode?l.LINES:l.POINTS;u.numEdgeIndices8Bits>0&&(c.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),l.drawArrays(S,0,u.numEdgeIndices8Bits)),u.numEdgeIndices16Bits>0&&(c.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),l.drawArrays(S,0,u.numEdgeIndices16Bits)),u.numEdgeIndices32Bits>0&&(c.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),l.drawArrays(S,0,u.numEdgeIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new pt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var n=this._program;this._uRenderPass=n.getLocation("renderPass"),this._uPickInvisible=n.getLocation("pickInvisible"),this._uSceneModelWorldMatrix=n.getLocation("sceneModelWorldMatrix"),this._uViewMatrix=n.getLocation("viewMatrix"),this._uProjMatrix=n.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,i=e._sectionPlanesState.sectionPlanes.length;r<i;r++)this._uSectionPlanes.push({active:n.getLocation("sectionPlaneActive"+r),pos:n.getLocation("sectionPlanePos"+r),dir:n.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=n.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=n.getLocation("uCameraEyeRtc"),this.uVectorA=n.getLocation("uSnapVectorA"),this.uInverseVectorAB=n.getLocation("uSnapInvVectorAB"),this._uLayerNumber=n.getLocation("uLayerNumber"),this._uCoordinateScaler=n.getLocation("uCoordinateScaler")}}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,n=[];return n.push("#version 300 es"),n.push("// Batched geometry edges drawing vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("precision highp usampler2D;"),n.push("precision highp isampler2D;"),n.push("precision highp sampler2D;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("precision mediump usampler2D;"),n.push("precision mediump isampler2D;"),n.push("precision mediump sampler2D;"),n.push("#endif"),n.push("uniform int renderPass;"),e.entityOffsetsEnabled&&n.push("in vec3 offset;"),n.push("uniform mat4 sceneModelWorldMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),n.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),n.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),n.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),n.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),n.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),n.push("uniform highp sampler2D uTextureModelMatrices;"),n.push("uniform vec3 uCameraEyeRtc;"),n.push("uniform vec2 uSnapVectorA;"),n.push("uniform vec2 uSnapInvVectorAB;"),n.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;")),n.push("vec2 remapClipPos(vec2 clipPos) {"),n.push("    float x = (clipPos.x - uSnapVectorA.x) * uSnapInvVectorAB.x;"),n.push("    float y = (clipPos.y - uSnapVectorA.y) * uSnapInvVectorAB.y;"),n.push("    return vec2(x, y);"),n.push("}"),t&&(n.push("out vec4 vWorldPosition;"),n.push("flat out uint vFlags2;")),n.push("out vec4 vViewPosition;"),n.push("out highp vec3 relativeToOriginPosition;"),n.push("void main(void) {"),n.push("int edgeIndex = gl_VertexID / 2;"),n.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),n.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),n.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),n.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),n.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),n.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),n.push("{"),n.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),n.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),n.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),n.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),n.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),n.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),n.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),n.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),n.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),n.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),n.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),n.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),n.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),n.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),n.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),n.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),n.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),n.push("relativeToOriginPosition = worldPosition.xyz;"),n.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(n.push("  vWorldPosition = worldPosition;"),n.push("  vFlags2 = flags2.r;")),n.push("vViewPosition = viewPosition;"),n.push("vec4 clipPos = projMatrix * viewPosition;"),n.push("float tmp = clipPos.w;"),n.push("clipPos.xyzw /= tmp;"),n.push("clipPos.xy = remapClipPos(clipPos.xy);"),n.push("clipPos.xyzw *= tmp;"),n.push("vViewPosition = clipPos;"),e.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),n.push("gl_Position = clipPos;"),n.push("gl_PointSize = 1.0;"),n.push("  }"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,n=t.sectionPlanes.length>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles dataTexture pick depth fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("uniform int uLayerNumber;"),r.push("uniform vec3 uCoordinateScaler;"),n){r.push("in vec4 vWorldPosition;"),r.push("flat in uint vFlags2;");for(var i=0,a=t.sectionPlanes.length;i<a;i++)r.push("uniform bool sectionPlaneActive"+i+";"),r.push("uniform vec3 sectionPlanePos"+i+";"),r.push("uniform vec3 sectionPlaneDir"+i+";")}if(r.push("in highp vec3 relativeToOriginPosition;"),r.push("out highp ivec4 outCoords;"),r.push("void main(void) {"),n){r.push("  bool clippable = vFlags2 > 0u;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var s=0;s<t.sectionPlanes.length;s++)r.push("      if (sectionPlaneActive"+s+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, uLayerNumber);"),r.push("}"),r}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),Df=Z.vec3(),Pf=Z.vec3(),Rf=Z.vec3(),Cf=Z.vec3(),_f=Z.vec3(),Bf=Z.mat4(),Of=function(){function e(t){b(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return P(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,n){this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r,i,a=t.model,s=a.scene,o=s.camera,l=s.canvas.gl,u=t._state,c=u.textureState,f=t._state.origin,p=a.position,A=a.rotationMatrix,d=a.rotationMatrixConjugate,v=t.aabb,h=e.pickViewMatrix||o.viewMatrix,I=Df;I[0]=Z.safeInv(v[3]-v[0])*Z.MAX_INT,I[1]=Z.safeInv(v[4]-v[1])*Z.MAX_INT,I[2]=Z.safeInv(v[5]-v[2])*Z.MAX_INT,e.snapPickCoordinateScale[0]=Z.safeInv(I[0]),e.snapPickCoordinateScale[1]=Z.safeInv(I[1]),e.snapPickCoordinateScale[2]=Z.safeInv(I[2]),c.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);var y=0!==f[0]||0!==f[1]||0!==f[2],m=0!==p[0]||0!==p[1]||0!==p[2];if(y||m){var w=Pf;if(y){var g=Rf;Z.transformPoint3(A,f,g),w[0]=g[0],w[1]=g[1],w[2]=g[2]}else w[0]=0,w[1]=0,w[2]=0;w[0]+=p[0],w[1]+=p[1],w[2]+=p[2],r=Ie(h,w,Bf),(i=Cf)[0]=o.eye[0]-w[0],i[1]=o.eye[1]-w[1],i[2]=o.eye[2]-w[2],e.snapPickOrigin[0]=w[0],e.snapPickOrigin[1]=w[1],e.snapPickOrigin[2]=w[2]}else r=h,i=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;if(l.uniform3fv(this._uCameraEyeRtc,i),l.uniform2fv(this._uVectorA,e.snapVectorA),l.uniform2fv(this._uInverseVectorAB,e.snapInvVectorAB),l.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),l.uniform3fv(this._uCoordinateScaler,I),l.uniform1i(this._uRenderPass,n),l.uniform1i(this._uPickInvisible,e.pickInvisible),l.uniformMatrix4fv(this._uSceneWorldModelMatrix,!1,d),l.uniformMatrix4fv(this._uViewMatrix,!1,r),l.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),s.logarithmicDepthBufferEnabled){var T=2/(Math.log(e.pickZFar+1)/Math.LN2);l.uniform1f(this._uLogDepthBufFC,T)}var E=s._sectionPlanesState.sectionPlanes.length;if(E>0)for(var b=s._sectionPlanesState.sectionPlanes,D=t.layerIndex*E,P=a.renderFlags,R=0;R<E;R++){var C=this._uSectionPlanes[R];if(C){var _=P.sectionPlanesActivePerLayer[D+R];if(l.uniform1i(C.active,_?1:0),_){var B=b[R];if(f){var O=ge(B.dist,B.dir,f,_f);l.uniform3fv(C.pos,O)}else l.uniform3fv(C.pos,B.pos);l.uniform3fv(C.dir,B.dir)}}}u.numIndices8Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),l.drawArrays(l.TRIANGLES,0,u.numIndices8Bits)),u.numIndices16Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),l.drawArrays(l.TRIANGLES,0,u.numIndices16Bits)),u.numIndices32Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),l.drawArrays(l.TRIANGLES,0,u.numIndices32Bits)),e.drawElements++}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new pt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var n=this._program;this._uRenderPass=n.getLocation("renderPass"),this._uPickInvisible=n.getLocation("pickInvisible"),this._uSceneWorldModelMatrix=n.getLocation("sceneModelWorldMatrix"),this._uViewMatrix=n.getLocation("viewMatrix"),this._uProjMatrix=n.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,i=e._sectionPlanesState.sectionPlanes.length;r<i;r++)this._uSectionPlanes.push({active:n.getLocation("sectionPlaneActive"+r),pos:n.getLocation("sectionPlanePos"+r),dir:n.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=n.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=n.getLocation("uCameraEyeRtc"),this._uVectorA=n.getLocation("uVectorAB"),this._uInverseVectorAB=n.getLocation("uInverseVectorAB"),this._uLayerNumber=n.getLocation("uLayerNumber"),this._uCoordinateScaler=n.getLocation("uCoordinateScaler")}}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,n=[];return n.push("#version 300 es"),n.push("// TrianglesDataTextureSnapDepthBufInitRenderer vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("precision highp usampler2D;"),n.push("precision highp isampler2D;"),n.push("precision highp sampler2D;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("precision mediump usampler2D;"),n.push("precision mediump isampler2D;"),n.push("precision mediump sampler2D;"),n.push("#endif"),n.push("uniform int renderPass;"),e.entityOffsetsEnabled&&n.push("in vec3 offset;"),n.push("uniform mat4 sceneModelWorldMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),n.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),n.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),n.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),n.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),n.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),n.push("uniform highp sampler2D uTextureModelMatrices;"),n.push("uniform vec3 uCameraEyeRtc;"),n.push("uniform vec2 uVectorAB;"),n.push("uniform vec2 uInverseVectorAB;"),n.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("out float isPerspective;")),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("vec2 remapClipPos(vec2 clipPos) {"),n.push("    float x = (clipPos.x - uVectorAB.x) * uInverseVectorAB.x;"),n.push("    float y = (clipPos.y - uVectorAB.y) * uInverseVectorAB.y;"),n.push("    return vec2(x, y);"),n.push("}"),t&&(n.push("out vec4 vWorldPosition;"),n.push("flat out uint vFlags2;")),n.push("out highp vec3 relativeToOriginPosition;"),n.push("void main(void) {"),n.push("int polygonIndex = gl_VertexID / 3;"),n.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),n.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),n.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),n.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),n.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),n.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),n.push("{"),n.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),n.push("uvec4 color = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),n.push("if (color.a == 0u) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("};"),n.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),n.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),n.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),n.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),n.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),n.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),n.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),n.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),n.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),n.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),n.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),n.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),n.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),n.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),n.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),n.push("vec3 position;"),n.push("position = positions[gl_VertexID % 3];"),n.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),n.push("if (solid != 1u) {"),n.push("  if (isPerspectiveMatrix(projMatrix)) {"),n.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),n.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),n.push("          position = positions[2 - (gl_VertexID % 3)];"),n.push("          viewNormal = -viewNormal;"),n.push("      }"),n.push("  } else {"),n.push("      if (viewNormal.z < 0.0) {"),n.push("          position = positions[2 - (gl_VertexID % 3)];"),n.push("          viewNormal = -viewNormal;"),n.push("      }"),n.push("  }"),n.push("}"),n.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),n.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),n.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),n.push("relativeToOriginPosition = worldPosition.xyz;"),n.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(n.push("vWorldPosition = worldPosition;"),n.push("vFlags2 = flags2.r;")),n.push("vec4 clipPos = projMatrix * viewPosition;"),n.push("float tmp = clipPos.w;"),n.push("clipPos.xyzw /= tmp;"),n.push("clipPos.xy = remapClipPos(clipPos.xy);"),n.push("clipPos.z += 0.0001;"),n.push("clipPos.xyzw *= tmp;"),e.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),n.push("gl_Position = clipPos;"),n.push("  }"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,n=t.sectionPlanes.length>0,r=[];if(r.push("#version 300 es"),r.push("// TrianglesDataTextureSnapDepthBufInitRenderer fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("uniform int uLayerNumber;"),r.push("uniform vec3 uCoordinateScaler;"),n){r.push("in vec4 vWorldPosition;"),r.push("flat in uint vFlags2;");for(var i=0,a=t.sectionPlanes.length;i<a;i++)r.push("uniform bool sectionPlaneActive"+i+";"),r.push("uniform vec3 sectionPlanePos"+i+";"),r.push("uniform vec3 sectionPlaneDir"+i+";")}if(r.push("in highp vec3 relativeToOriginPosition;"),r.push("out highp ivec4 outCoords;"),r.push("void main(void) {"),n){r.push("  bool clippable = vFlags2 > 0u;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var s=0;s<t.sectionPlanes.length;s++)r.push("      if (sectionPlaneActive"+s+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, - uLayerNumber);"),r.push("}"),r}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),Sf=Z.vec3(),Nf=function(){function e(t){b(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return P(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,n){var r=t.model,i=r.scene,a=i.camera,s=i.canvas.gl,o=t._state,l=o.textureState,u=t._state.origin;this._program||this._allocate(t),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureCameraMatrices,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);var c=a.eye;e.pickViewMatrix&&(l.bindPickCameraTexture(this._program,this._uTextureCameraMatrices),c=e.pickOrigin||c);var f=[c[0]-u[0],c[1]-u[1],c[2]-u[2]];if(s.uniform3fv(this._uCameraEyeRtc,f),s.uniform1i(this._uRenderPass,n),s.uniform3fv(this._uCameraEyeRtc,f),s.uniform1i(this._uPickInvisible,e.pickInvisible),i.logarithmicDepthBufferEnabled){var p=2/(Math.log(a.project.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,p)}var A=i._sectionPlanesState.sectionPlanes.length;if(A>0)for(var d=i._sectionPlanesState.sectionPlanes,v=t.layerIndex*A,h=r.renderFlags,I=0;I<A;I++){var y=this._uSectionPlanes[I];if(y){var m=h.sectionPlanesActivePerLayer[v+I];if(s.uniform1i(y.active,m?1:0),m){var w=d[I];if(u){var g=ge(w.dist,w.dir,u,Sf);s.uniform3fv(y.pos,g)}else s.uniform3fv(y.pos,w.pos);s.uniform3fv(y.dir,w.dir)}}}o.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),s.drawArrays(s.TRIANGLES,0,o.numIndices8Bits)),o.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),s.drawArrays(s.TRIANGLES,0,o.numIndices16Bits)),o.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),s.drawArrays(s.TRIANGLES,0,o.numIndices32Bits)),e.drawElements++}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new pt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var n=this._program;this._uRenderPass=n.getLocation("renderPass"),this._uPickInvisible=n.getLocation("pickInvisible"),this._uSectionPlanes=[];for(var r=0,i=e._sectionPlanesState.sectionPlanes.length;r<i;r++)this._uSectionPlanes.push({active:n.getLocation("sectionPlaneActive"+r),pos:n.getLocation("sectionPlanePos"+r),dir:n.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=n.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureCameraMatrices="uTextureCameraMatrices",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=n.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,n=[];return n.push("#version 300 es"),n.push("// Triangles dataTexture pick normals vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("precision highp usampler2D;"),n.push("precision highp isampler2D;"),n.push("precision highp sampler2D;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("precision mediump usampler2D;"),n.push("precision mediump isampler2D;"),n.push("precision mediump sampler2D;"),n.push("#endif"),n.push("uniform int renderPass;"),e.entityOffsetsEnabled&&n.push("in vec3 offset;"),n.push("uniform bool pickInvisible;"),n.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),n.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),n.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),n.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),n.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),n.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),n.push("uniform highp sampler2D uTextureCameraMatrices;"),n.push("uniform highp sampler2D uTextureModelMatrices;"),n.push("uniform vec3 uCameraEyeRtc;"),n.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("out float isPerspective;")),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),t&&(n.push("out vec4 vWorldPosition;"),n.push("flat out uint vFlags2;")),n.push("out vec3 vWorldNormal;"),n.push("void main(void) {"),n.push("mat4 viewMatrix = mat4 (texelFetch (uTextureCameraMatrices, ivec2(0, 0), 0), texelFetch (uTextureCameraMatrices, ivec2(1, 0), 0), texelFetch (uTextureCameraMatrices, ivec2(2, 0), 0), texelFetch (uTextureCameraMatrices, ivec2(3, 0), 0));"),n.push("mat4 projMatrix = mat4 (texelFetch (uTextureCameraMatrices, ivec2(0, 2), 0), texelFetch (uTextureCameraMatrices, ivec2(1, 2), 0), texelFetch (uTextureCameraMatrices, ivec2(2, 2), 0), texelFetch (uTextureCameraMatrices, ivec2(3, 2), 0));"),n.push("mat4 worldMatrix = mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),n.push("int polygonIndex = gl_VertexID / 3;"),n.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),n.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),n.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),n.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),n.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),n.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),n.push("if (int(flags.w) != renderPass) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("} else {"),n.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),n.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),n.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),n.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),n.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),n.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),n.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),n.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),n.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),n.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),n.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),n.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),n.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),n.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),n.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),n.push("vec3 position;"),n.push("position = positions[gl_VertexID % 3];"),n.push("if (solid != 1u) {"),n.push("if (isPerspectiveMatrix(projMatrix)) {"),n.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),n.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),n.push("position = positions[2 - (gl_VertexID % 3)];"),n.push("normal = -normal;"),n.push("}"),n.push("} else {"),n.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),n.push("if (viewNormal.z < 0.0) {"),n.push("position = positions[2 - (gl_VertexID % 3)];"),n.push("normal = -normal;"),n.push("}"),n.push("}"),n.push("}"),n.push("normal = -normal;"),n.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),n.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),n.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),n.push("vec4 viewPosition = viewMatrix * worldPosition; "),n.push("vWorldNormal = normal.xyz;"),n.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(n.push("      vWorldPosition = worldPosition;"),n.push("      vFlags2 = flags2.w;")),n.push("gl_Position = clipPos;"),n.push("}"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,n=t.sectionPlanes.length>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles dataTexture pick normals fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),n){r.push("in vec4 vWorldPosition;"),r.push("flat in uint vFlags2;");for(var i=0;i<t.sectionPlanes.length;i++)r.push("uniform bool sectionPlaneActive"+i+";"),r.push("uniform vec3 sectionPlanePos"+i+";"),r.push("uniform vec3 sectionPlaneDir"+i+";")}if(r.push("in vec3 vWorldNormal;"),r.push("out vec4 outNormal;"),r.push("void main(void) {"),n){r.push("  bool clippable = vFlags2 > 0u;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(i=0;i<t.sectionPlanes.length;i++)r.push("      if (sectionPlaneActive"+i+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outNormal = vec4((vWorldNormal * 0.5) + 0.5, 1.0);"),r.push("}"),r}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}();Z.vec3(),Z.vec3(),Z.vec3(),Z.vec3(),Z.mat4();var Lf=function(){function e(t){b(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return P(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,n){}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new pt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var n=this._program;this._uRenderPass=n.getLocation("renderPass"),this._uPositionsDecodeMatrix=n.getLocation("positionsDecodeMatrix"),this._uWorldMatrix=n.getLocation("worldMatrix"),this._uViewMatrix=n.getLocation("viewMatrix"),this._uProjMatrix=n.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,i=e._sectionPlanesState.sectionPlanes.length;r<i;r++)this._uSectionPlanes.push({active:n.getLocation("sectionPlaneActive"+r),pos:n.getLocation("sectionPlanePos"+r),dir:n.getLocation("sectionPlaneDir"+r)});this._aPosition=n.getAttribute("position"),this._aOffset=n.getAttribute("offset"),this._aColor=n.getAttribute("color"),this._aFlags=n.getAttribute("flags"),this._aFlags2=n.getAttribute("flags2"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=n.getLocation("logDepthBufFC"))}}},{key:"_bindProgram",value:function(){var e=this._scene,t=e.canvas.gl,n=e.camera.project;if(this._program.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,n.matrix),e.logarithmicDepthBufferEnabled){var r=2/(Math.log(n.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,r)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,n=[];return n.push("#version 300 es"),n.push("// TrianglesDataTextureColorRenderer vertex shader"),n.push("uniform int renderPass;"),n.push("attribute vec3 position;"),e.entityOffsetsEnabled&&n.push("attribute vec3 offset;"),n.push("attribute vec4 color;"),n.push("attribute vec4 flags;"),n.push("attribute vec4 flags2;"),n.push("uniform mat4 worldMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform mat4 positionsDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),$e.SUPPORTED_EXTENSIONS.EXT_frag_depth&&n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;")),t&&(n.push("out vec4 vWorldPosition;"),n.push("out vec4 vFlags2;")),n.push("void main(void) {"),n.push("if (int(flags.x) != renderPass) {"),n.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),n.push("  } else {"),n.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&n.push("      worldPosition.xyz = worldPosition.xyz + offset;"),n.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(n.push("      vWorldPosition = worldPosition;"),n.push("      vFlags2 = flags2;")),n.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),n.push("gl_Position = clipPos;"),n.push("  }"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,n=t.sectionPlanes.length>0,r=[];if(r.push("#version 300 es"),r.push("// TrianglesDataTextureColorRenderer fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),n){r.push("in vec4 vWorldPosition;"),r.push("in vec4 vFlags2;");for(var i=0;i<t.sectionPlanes.length;i++)r.push("uniform bool sectionPlaneActive"+i+";"),r.push("uniform vec3 sectionPlanePos"+i+";"),r.push("uniform vec3 sectionPlaneDir"+i+";")}if(r.push("void main(void) {"),n){r.push("  bool clippable = (float(vFlags2.x) > 0.0);"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var a=0;a<t.sectionPlanes.length;a++)r.push("      if (sectionPlaneActive"+a+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+a+".xyz, vWorldPosition.xyz - sectionPlanePos"+a+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepthEXT = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("   gl_FragColor = vec4(0.0, 0.0, 1.0, 1.0); "),r.push("}"),r}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),xf=Z.vec3(),Mf=Z.vec3(),Ff=Z.vec3(),Hf=Z.vec3(),Uf=Z.mat4(),Gf=function(){function e(t){b(this,e),this._scene=t,this._allocate(),this._hash=this._getHash()}return P(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,n){var r=this._scene,i=r.camera,a=t.model,s=r.canvas.gl,o=t._state,l=o.textureState,u=t._state.origin,c=a.position,f=a.rotationMatrix,p=a.rotationMatrixConjugate;if(this._program||(this._allocate(),!this.errors)){var A,d;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,o)),l.bindCommonTextures(this._program,this._uTexturePerObjectIdPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this._uTexturePerObjectIdColorsAndFlags,this._uTextureModelMatrices,this._uTexturePerObjectIdOffsets);var v=0!==u[0]||0!==u[1]||0!==u[2],h=0!==c[0]||0!==c[1]||0!==c[2];if(v||h){var I=xf;if(v){var y=Z.transformPoint3(f,u,Mf);I[0]=y[0],I[1]=y[1],I[2]=y[2]}else I[0]=0,I[1]=0,I[2]=0;I[0]+=c[0],I[1]+=c[1],I[2]+=c[2],A=Ie(i.viewMatrix,I,Uf),(d=Ff)[0]=i.eye[0]-I[0],d[1]=i.eye[1]-I[1],d[2]=i.eye[2]-I[2]}else A=i.viewMatrix,d=i.eye;if(s.uniformMatrix4fv(this._uSceneModelWorldMatrix,!1,p),s.uniformMatrix4fv(this._uViewMatrix,!1,A),s.uniformMatrix4fv(this._uProjMatrix,!1,i.projMatrix),s.uniform3fv(this._uCameraEyeRtc,d),s.uniform1i(this._uRenderPass,n),r.logarithmicDepthBufferEnabled){var m=2/(Math.log(e.pickZFar+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,m)}var w=r._sectionPlanesState.sectionPlanes.length;if(w>0)for(var g=r._sectionPlanesState.sectionPlanes,T=t.layerIndex*w,E=a.renderFlags,b=0;b<w;b++){var D=this._uSectionPlanes[b];if(D){var P=E.sectionPlanesActivePerLayer[T+b];if(s.uniform1i(D.active,P?1:0),P){var R=g[b];if(u){var C=ge(R.dist,R.dir,u,Hf);s.uniform3fv(D.pos,C)}else s.uniform3fv(D.pos,R.pos);s.uniform3fv(D.dir,R.dir)}}}o.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),s.drawArrays(s.TRIANGLES,0,o.numIndices8Bits)),o.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),s.drawArrays(s.TRIANGLES,0,o.numIndices16Bits)),o.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),s.drawArrays(s.TRIANGLES,0,o.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new pt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var n=this._program;this._uRenderPass=n.getLocation("renderPass"),this._uPositionsDecodeMatrix=n.getLocation("positionsDecodeMatrix"),this._uSceneModelWorldMatrix=n.getLocation("sceneModelWorldMatrix"),this._uWorldMatrix=n.getLocation("worldMatrix"),this._uViewMatrix=n.getLocation("viewMatrix"),this._uProjMatrix=n.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,i=e._sectionPlanesState.sectionPlanes.length;r<i;r++)this._uSectionPlanes.push({active:n.getLocation("sectionPlaneActive"+r),pos:n.getLocation("sectionPlanePos"+r),dir:n.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=n.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectIdOffsets="uTexturePerObjectIdOffsets",this._uCameraEyeRtc=n.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(e){var t=this._scene,n=t.canvas.gl,r=this._program,i=t.camera.project;if(r.bind(),n.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),t.logarithmicDepthBufferEnabled){var a=2/(Math.log(i.far+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,a)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState;e._lightsState;var n=t.sectionPlanes.length>0,r=[];return r.push("#version 300 es"),r.push("// Triangles dataTexture draw vertex shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("precision highp usampler2D;"),r.push("precision highp isampler2D;"),r.push("precision highp sampler2D;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("precision mediump usampler2D;"),r.push("precision mediump isampler2D;"),r.push("precision mediump sampler2D;"),r.push("#endif"),r.push("uniform int renderPass;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("uniform mat4 sceneModelWorldMatrix;"),r.push("uniform mat4 viewMatrix;"),r.push("uniform mat4 projMatrix;"),r.push("uniform highp sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),r.push("uniform lowp usampler2D uTexturePerObjectIdColorsAndFlags;"),r.push("uniform highp sampler2D uTexturePerObjectIdOffsets;"),r.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),r.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),r.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),r.push("uniform highp sampler2D uTextureModelMatrices;"),r.push("uniform vec3 uCameraEyeRtc;"),r.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;"),r.push("out float isPerspective;")),r.push("bool isPerspectiveMatrix(mat4 m) {"),r.push("    return (m[2][3] == - 1.0);"),r.push("}"),r.push("out highp vec2 vHighPrecisionZW;"),n&&(r.push("out vec4 vWorldPosition;"),r.push("flat out uint vFlags2;")),r.push("void main(void) {"),r.push("int polygonIndex = gl_VertexID / 3;"),r.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),r.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),r.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),r.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),r.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),r.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),r.push("if (int(flags.x) != renderPass) {"),r.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),r.push("   return;"),r.push("} else {"),r.push("mat4 worldMatrix = sceneModelWorldMatrix * mat4 (texelFetch (uTextureModelMatrices, ivec2(0, 0), 0), texelFetch (uTextureModelMatrices, ivec2(1, 0), 0), texelFetch (uTextureModelMatrices, ivec2(2, 0), 0), texelFetch (uTextureModelMatrices, ivec2(3, 0), 0));"),r.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),r.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),r.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),r.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),r.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),r.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),r.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),r.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),r.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),r.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),r.push("uint solid = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),r.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),r.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),r.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),r.push("uvec4 color = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),r.push("if (color.a == 0u) {"),r.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),r.push("   return;"),r.push("};"),r.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),r.push("vec3 position;"),r.push("position = positions[gl_VertexID % 3];"),r.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*positionsDecodeMatrix)) * vec4(normal,1)).xyz);"),r.push("if (solid != 1u) {"),r.push("if (isPerspectiveMatrix(projMatrix)) {"),r.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(worldMatrix * positionsDecodeMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),r.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),r.push("position = positions[2 - (gl_VertexID % 3)];"),r.push("viewNormal = -viewNormal;"),r.push("}"),r.push("} else {"),r.push("if (viewNormal.z < 0.0) {"),r.push("position = positions[2 - (gl_VertexID % 3)];"),r.push("viewNormal = -viewNormal;"),r.push("}"),r.push("}"),r.push("}"),r.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),r.push("vec4 offset = vec4(texelFetch (uTexturePerObjectIdOffsets, objectIndexCoords, 0).rgb, 0.0);"),r.push("worldPosition.xyz = worldPosition.xyz + offset.xyz;"),r.push("vec4 viewPosition = viewMatrix * worldPosition; "),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),n&&(r.push("vWorldPosition = worldPosition;"),r.push("vFlags2 = flags2.r;")),r.push("gl_Position = clipPos;"),r.push("vHighPrecisionZW = gl_Position.zw;"),r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,n=t.sectionPlanes.length>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles dataTexture draw fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),r.push("in highp vec2 vHighPrecisionZW;"),r.push("out vec4 outColor;"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),n){r.push("in vec4 vWorldPosition;"),r.push("flat in uint vFlags2;");for(var i=0,a=t.sectionPlanes.length;i<a;i++)r.push("uniform bool sectionPlaneActive"+i+";"),r.push("uniform vec3 sectionPlanePos"+i+";"),r.push("uniform vec3 sectionPlaneDir"+i+";")}if(r.push("void main(void) {"),n){r.push("  bool clippable = vFlags2 > 0u;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var s=0,o=t.sectionPlanes.length;s<o;s++)r.push("if (sectionPlaneActive"+s+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { "),r.push("      discard;"),r.push("  }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),r.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),r.push("}"),r}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),kf=Z.vec3(),jf=Z.vec3(),Vf=Z.vec3(),Qf=Z.vec3(),Wf=Z.mat4(),zf=function(){function e(t){b(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return P(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,n){var r=t.model,i=r.scene,a=i.camera,s=i.canvas.gl,o=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,f=r.rotationMatrixConjugate,p=a.viewMatrix;if(this._program||(this._allocate(t),!this.errors)){var A,d;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(t));var v=0!==l[0]||0!==l[1]||0!==l[2],h=0!==u[0]||0!==u[1]||0!==u[2];if(v||h){var I=kf;if(v){var y=jf;Z.transformPoint3(c,l,y),I[0]=y[0],I[1]=y[1],I[2]=y[2]}else I[0]=0,I[1]=0,I[2]=0;I[0]+=u[0],I[1]+=u[1],I[2]+=u[2],A=Ie(p,I,Wf),(d=Vf)[0]=a.eye[0]-I[0],d[1]=a.eye[1]-I[1],d[2]=a.eye[2]-I[2]}else A=p,d=a.eye;s.uniform1i(this._uRenderPass,n),s.uniformMatrix4fv(this._uWorldMatrix,!1,f),s.uniformMatrix4fv(this._uViewMatrix,!1,A),s.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix),s.uniformMatrix4fv(this._uViewNormalMatrix,!1,a.viewNormalMatrix),s.uniformMatrix4fv(this._uWorldNormalMatrix,!1,r.worldNormalMatrix);var m=i._sectionPlanesState.sectionPlanes.length;if(m>0)for(var w=i._sectionPlanesState.sectionPlanes,g=t.layerIndex*m,T=r.renderFlags,E=0;E<m;E++){var b=this._uSectionPlanes[E];if(b){var D=T.sectionPlanesActivePerLayer[g+E];if(s.uniform1i(b.active,D?1:0),D){var P=w[E];if(l){var R=ge(P.dist,P.dir,l,Qf);s.uniform3fv(b.pos,R)}else s.uniform3fv(b.pos,P.pos);s.uniform3fv(b.dir,P.dir)}}}s.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,t._state.positionsDecodeMatrix),this._aPosition.bindArrayBuffer(o.positionsBuf),this._aOffset.bindArrayBuffer(o.offsetsBuf),this._aNormal.bindArrayBuffer(o.normalsBuf),this._aColor.bindArrayBuffer(o.colorsBuf),this._aFlags.bindArrayBuffer(o.flagsBuf),this._aFlags2&&this._aFlags2.bindArrayBuffer(o.flags2Buf),o.indicesBuf.bind(),s.drawElements(s.TRIANGLES,o.indicesBuf.numItems,o.indicesBuf.itemType,0)}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new pt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var n=this._program;this._uRenderPass=n.getLocation("renderPass"),this._uPositionsDecodeMatrix=n.getLocation("positionsDecodeMatrix"),this._uWorldMatrix=n.getLocation("worldMatrix"),this._uWorldNormalMatrix=n.getLocation("worldNormalMatrix"),this._uViewMatrix=n.getLocation("viewMatrix"),this._uViewNormalMatrix=n.getLocation("viewNormalMatrix"),this._uProjMatrix=n.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,i=e._sectionPlanesState.sectionPlanes.length;r<i;r++)this._uSectionPlanes.push({active:n.getLocation("sectionPlaneActive"+r),pos:n.getLocation("sectionPlanePos"+r),dir:n.getLocation("sectionPlaneDir"+r)});this._aPosition=n.getAttribute("position"),this._aOffset=n.getAttribute("offset"),this._aNormal=n.getAttribute("normal"),this._aColor=n.getAttribute("color"),this._aFlags=n.getAttribute("flags"),this._aFlags2&&(this._aFlags2=n.getAttribute("flags2")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=n.getLocation("logDepthBufFC"))}}},{key:"_bindProgram",value:function(){var e=this._scene,t=e.canvas.gl,n=e.camera.project;if(this._program.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,n.matrix),e.logarithmicDepthBufferEnabled){var r=2/(Math.log(n.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,r)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,n=[];return n.push("// Batched geometry normals vertex shader"),e.logarithmicDepthBufferEnabled&&$e.SUPPORTED_EXTENSIONS.EXT_frag_depth&&n.push("#extension GL_EXT_frag_depth : enable"),n.push("uniform int renderPass;"),n.push("attribute vec3 position;"),e.entityOffsetsEnabled&&n.push("attribute vec3 offset;"),n.push("attribute vec3 normal;"),n.push("attribute vec4 color;"),n.push("attribute vec4 flags;"),n.push("attribute vec4 flags2;"),n.push("uniform mat4 worldMatrix;"),n.push("uniform mat4 worldNormalMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform mat4 viewNormalMatrix;"),n.push("uniform mat4 positionsDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),$e.SUPPORTED_EXTENSIONS.EXT_frag_depth&&n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("varying float isPerspective;")),n.push("vec3 octDecode(vec2 oct) {"),n.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),n.push("    if (v.z < 0.0) {"),n.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),n.push("    }"),n.push("    return normalize(v);"),n.push("}"),t&&(n.push("out vec4 vWorldPosition;"),n.push("out vec4 vFlags2;")),n.push("out vec3 vViewNormal;"),n.push("void main(void) {"),n.push("if (int(flags.x) != renderPass) {"),n.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),n.push("  } else {"),n.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&n.push("      worldPosition.xyz = worldPosition.xyz + offset;"),n.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),n.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),n.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(n.push("      vWorldPosition  = worldPosition;"),n.push("      vFlags2         = flags2;")),n.push("      vViewNormal = viewNormal;"),n.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&($e.SUPPORTED_EXTENSIONS.EXT_frag_depth?n.push("vFragDepth = 1.0 + clipPos.w;"):(n.push("clipPos.z = log2( max( 1e-6, clipPos.w + 1.0 ) ) * logDepthBufFC - 1.0;"),n.push("clipPos.z *= clipPos.w;")),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),n.push("gl_Position = clipPos;"),n.push("  }"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,n=t.sectionPlanes.length>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry normals fragment shader"),e.logarithmicDepthBufferEnabled&&$e.SUPPORTED_EXTENSIONS.EXT_frag_depth&&r.push("#extension GL_EXT_frag_depth : enable"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&$e.SUPPORTED_EXTENSIONS.EXT_frag_depth&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),n){r.push("in vec4 vWorldPosition;"),r.push("in vec4 vFlags2;");for(var i=0;i<t.sectionPlanes.length;i++)r.push("uniform bool sectionPlaneActive"+i+";"),r.push("uniform vec3 sectionPlanePos"+i+";"),r.push("uniform vec3 sectionPlaneDir"+i+";")}if(r.push("in vec3 vViewNormal;"),r.push("vec3 packNormalToRGB( const in vec3 normal ) {"),r.push("    return normalize( normal ) * 0.5 + 0.5;"),r.push("}"),r.push("void main(void) {"),n){r.push("  bool clippable = (float(vFlags2.x) > 0.0);"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var a=0;a<t.sectionPlanes.length;a++)r.push("      if (sectionPlaneActive"+a+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+a+".xyz, vWorldPosition.xyz - sectionPlanePos"+a+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&$e.SUPPORTED_EXTENSIONS.EXT_frag_depth&&r.push("    gl_FragDepthEXT = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    gl_FragColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),r.push("}"),r}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),Kf=Z.vec3(),Yf=function(){function e(t){b(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return P(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,n){var r=t.model,i=r.scene,a=i.camera,s=i.canvas.gl,o=t._state,l=t._state.origin;this._program||this._allocate(t),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),this._program.bindTexture(this._uTexturePerObjectIdPositionsDecodeMatrix,{bind:function(e){return s.activeTexture(s["TEXTURE"+e]),s.bindTexture(s.TEXTURE_2D,o.texturePerObjectIdPositionsDecodeMatrix),!0},unbind:function(e){s.activeTexture(s["TEXTURE"+e]),s.bindTexture(s.TEXTURE_2D,null)}},1),this._program.bindTexture(this._uTexturePerVertexIdCoordinates,{bind:function(e){return s.activeTexture(s["TEXTURE"+e]),s.bindTexture(s.TEXTURE_2D,o.texturePerVertexIdCoordinates),!0},unbind:function(e){s.activeTexture(s["TEXTURE"+e]),s.bindTexture(s.TEXTURE_2D,null)}},2),this._program.bindTexture(this._uTexturePerObjectIdColorsAndFlags,{bind:function(e){return s.activeTexture(s["TEXTURE"+e]),s.bindTexture(s.TEXTURE_2D,o.texturePerObjectIdColorsAndFlags),!0},unbind:function(e){s.activeTexture(s["TEXTURE"+e]),s.bindTexture(s.TEXTURE_2D,null)}},3),s.uniform1i(this._uRenderPass,n),s.uniform1i(this._uPickInvisible,e.pickInvisible),s.uniformMatrix4fv(this._uWorldMatrix,!1,r.worldMatrix);var u=e.pickViewMatrix||a.viewMatrix,c=l?Ie(u,l):u;if(s.uniformMatrix4fv(this._uViewMatrix,!1,c),s.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),i.logarithmicDepthBufferEnabled){var f=2/(Math.log(a.project.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,f)}var p=i._sectionPlanesState.sectionPlanes.length;if(p>0)for(var A=i._sectionPlanesState.sectionPlanes,d=t.layerIndex*p,v=r.renderFlags,h=0;h<p;h++){var I=this._uSectionPlanes[h],y=v.sectionPlanesActivePerLayer[d+h];if(s.uniform1i(I.active,y?1:0),y){var m=A[h];if(l){var w=ge(m.dist,m.dir,l,Kf);s.uniform3fv(I.pos,w)}else s.uniform3fv(I.pos,m.pos);s.uniform3fv(I.dir,m.dir)}}o.numIndices8Bits>0&&(this._program.bindTexture(this._uTexturePerPolygonIdPortionIds,{bind:function(e){return s.activeTexture(s["TEXTURE"+e]),s.bindTexture(s.TEXTURE_2D,o.texturePerPolygonIdPortionIds8Bits),!0},unbind:function(e){s.activeTexture(s["TEXTURE"+e]),s.bindTexture(s.TEXTURE_2D,null)}},4),this._program.bindTexture(this._uTexturePerPolygonIdIndices,{bind:function(e){return s.activeTexture(s["TEXTURE"+e]),s.bindTexture(s.TEXTURE_2D,o.texturePerPolygonIdIndices8Bits),!0},unbind:function(e){s.activeTexture(s["TEXTURE"+e]),s.bindTexture(s.TEXTURE_2D,null)}},5),s.drawArrays(s.TRIANGLES,0,o.numIndices8Bits)),o.numIndices16Bits>0&&(this._program.bindTexture(this._uTexturePerPolygonIdPortionIds,{bind:function(e){return s.activeTexture(s["TEXTURE"+e]),s.bindTexture(s.TEXTURE_2D,o.texturePerPolygonIdPortionIds16Bits),!0},unbind:function(e){s.activeTexture(s["TEXTURE"+e]),s.bindTexture(s.TEXTURE_2D,null)}},4),this._program.bindTexture(this._uTexturePerPolygonIdIndices,{bind:function(e){return s.activeTexture(s["TEXTURE"+e]),s.bindTexture(s.TEXTURE_2D,o.texturePerPolygonIdIndices16Bits),!0},unbind:function(e){s.activeTexture(s["TEXTURE"+e]),s.bindTexture(s.TEXTURE_2D,null)}},5),s.drawArrays(s.TRIANGLES,0,o.numIndices16Bits)),o.numIndices32Bits>0&&(this._program.bindTexture(this._uTexturePerPolygonIdPortionIds,{bind:function(e){return s.activeTexture(s["TEXTURE"+e]),s.bindTexture(s.TEXTURE_2D,o.texturePerPolygonIdPortionIds32Bits),!0},unbind:function(e){s.activeTexture(s["TEXTURE"+e]),s.bindTexture(s.TEXTURE_2D,null)}},4),this._program.bindTexture(this._uTexturePerPolygonIdIndices,{bind:function(e){return s.activeTexture(s["TEXTURE"+e]),s.bindTexture(s.TEXTURE_2D,o.texturePerPolygonIdIndices32Bits),!0},unbind:function(e){s.activeTexture(s["TEXTURE"+e]),s.bindTexture(s.TEXTURE_2D,null)}},5),s.drawArrays(s.TRIANGLES,0,o.numIndices32Bits)),e.drawElements++}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new pt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var n=this._program;this._uRenderPass=n.getLocation("renderPass"),this._uPickInvisible=n.getLocation("pickInvisible"),this._uPositionsDecodeMatrix=n.getLocation("positionsDecodeMatrix"),this._uWorldMatrix=n.getLocation("worldMatrix"),this._uViewMatrix=n.getLocation("viewMatrix"),this._uProjMatrix=n.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,i=e._sectionPlanesState.sectionPlanes.length;r<i;r++)this._uSectionPlanes.push({active:n.getLocation("sectionPlaneActive"+r),pos:n.getLocation("sectionPlanePos"+r),dir:n.getLocation("sectionPlaneDir"+r)});this._aPackedVertexId=n.getAttribute("packedVertexId"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=n.getLocation("logDepthBufFC")),this._uTexturePerObjectIdPositionsDecodeMatrix="uTexturePerObjectIdPositionsDecodeMatrix",this._uTexturePerObjectIdColorsAndFlags="uTexturePerObjectIdColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds"}}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,n=[];return n.push("#version 300 es"),n.push("// Triangles dataTexture pick flat normals vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("precision highp usampler2D;"),n.push("precision highp isampler2D;"),n.push("precision highp sampler2D;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("precision mediump usampler2D;"),n.push("precision mediump isampler2D;"),n.push("precision mediump sampler2D;"),n.push("#endif"),n.push("uniform int renderPass;"),n.push("in uvec3 packedVertexId;"),e.entityOffsetsEnabled&&n.push("in vec3 offset;"),n.push("uniform bool pickInvisible;"),n.push("uniform mat4 worldMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform sampler2D uTexturePerObjectIdPositionsDecodeMatrix;"),n.push("uniform usampler2D uTexturePerObjectIdColorsAndFlags;"),n.push("uniform usampler2D uTexturePerVertexIdCoordinates;"),n.push("uniform usampler2D uTexturePerPolygonIdIndices;"),n.push("uniform isampler2D uTexturePerPolygonIdNormals;"),n.push("uniform usampler2D uTexturePerPolygonIdPortionIds;"),e.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;")),n.push("out vec4 vWorldPosition;"),t&&n.push("out int vFlags2;"),n.push("void main(void) {"),n.push("int polygonIndex = gl_VertexID / 3;"),n.push("int h_normal_index = polygonIndex & 4095;"),n.push("int v_normal_index = polygonIndex >> 12;"),n.push("int h_packed_object_id_index = ((polygonIndex >> 3) / 2) & 4095;"),n.push("int v_packed_object_id_index = ((polygonIndex >> 3) / 2) >> 12;"),n.push("ivec3 packedObjectId = ivec3(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).rgb);"),n.push("int objectIndex;"),n.push("if (((polygonIndex >> 3) % 2) == 0) {"),n.push("  objectIndex = (packedObjectId.r << 4) + (packedObjectId.g >> 4);"),n.push("} else {"),n.push("  objectIndex = ((packedObjectId.g & 15) << 8) + packedObjectId.b;"),n.push("}"),n.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),n.push("ivec4 packedVertexBase = ivec4(texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),n.push("int h_index = polygonIndex & 4095;"),n.push("int v_index = polygonIndex >> 12;"),n.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),n.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),n.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),n.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),n.push("mat4 positionsDecodeMatrix = mat4 (texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectIdPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),n.push("uvec4 flags = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),n.push("uvec4 flags2 = texelFetch (uTexturePerObjectIdColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),n.push("vec3 position1 = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),n.push("vec3 position2 = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),n.push("vec3 position3 = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),n.push("vec3 normal = normalize(cross(position3 - position1, position2 - position1));"),n.push("int vertexNumber = gl_VertexID % 3;"),n.push("vec3 position;"),n.push("if (vertexNumber == 0) position = position1;"),n.push("else if (vertexNumber == 1) position = position2;"),n.push("else position = position3;"),n.push("if (int(flags.w) != renderPass) {"),n.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),n.push("  } else {"),n.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&n.push("      worldPosition.xyz = worldPosition.xyz + offset;"),n.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),n.push("      vWorldPosition = worldPosition;"),t&&n.push("      vFlags2 = flags2.r;"),n.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),n.push("gl_Position = clipPos;"),n.push("  }"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,n=t.sectionPlanes.length>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles dataTexture pick flat normals fragment shader"),r.push("#extension GL_OES_standard_derivatives : enable"),e.logarithmicDepthBufferEnabled&&r.push("#extension GL_EXT_frag_depth : enable"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("in vec4 vWorldPosition;"),n){r.push("in int vFlags2;");for(var i=0;i<t.sectionPlanes.length;i++)r.push("uniform bool sectionPlaneActive"+i+";"),r.push("uniform vec3 sectionPlanePos"+i+";"),r.push("uniform vec3 sectionPlaneDir"+i+";")}if(r.push("out vec4 outNormal;"),r.push("void main(void) {"),n){r.push("  bool clippable = vFlags2 > 0;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(i=0;i<t.sectionPlanes.length;i++)r.push("      if (sectionPlaneActive"+i+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),r.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),r.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),r.push("  outNormal = vec4((worldNormal * 0.5) + 0.5, 1.0);"),r.push("}"),r}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),Xf=function(){function e(t){b(this,e),this._scene=t}return P(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorQualityRendererWithSAO&&!this._colorQualityRendererWithSAO.getValid()&&(this._colorQualityRendererWithSAO.destroy(),this._colorQualityRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._vertexDepthRenderer&&!this._vertexDepthRenderer.getValid()&&(this._vertexDepthRenderer.destroy(),this._vertexDepthRenderer=null),this._snapDepthBufInitRenderer&&!this._snapDepthBufInitRenderer.getValid()&&(this._snapDepthBufInitRenderer.destroy(),this._snapDepthBufInitRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null)}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new kc(this._scene,!1)),this._colorRenderer}},{key:"colorRendererWithSAO",get:function(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new kc(this._scene,!0)),this._colorRendererWithSAO}},{key:"colorQualityRendererWithSAO",get:function(){return this._colorQualityRendererWithSAO||(this._colorQualityRendererWithSAO=new TrianglesDataTextureColorQualityRenderer(this._scene,!0)),this._colorQualityRendererWithSAO}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Yc(this._scene)),this._silhouetteRenderer}},{key:"depthRenderer",get:function(){return this._depthRenderer||(this._depthRenderer=new Gf(this._scene)),this._depthRenderer}},{key:"normalsRenderer",get:function(){return this._normalsRenderer||(this._normalsRenderer=new zf(this._scene)),this._normalsRenderer}},{key:"edgesRenderer",get:function(){return this._edgesRenderer||(this._edgesRenderer=new ef(this._scene)),this._edgesRenderer}},{key:"edgesColorRenderer",get:function(){return this._edgesColorRenderer||(this._edgesColorRenderer=new sf(this._scene)),this._edgesColorRenderer}},{key:"pickMeshRenderer",get:function(){return this._pickMeshRenderer||(this._pickMeshRenderer=new ff(this._scene)),this._pickMeshRenderer}},{key:"pickNormalsRenderer",get:function(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new Nf(this._scene)),this._pickNormalsRenderer}},{key:"pickNormalsFlatRenderer",get:function(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new Yf(this._scene)),this._pickNormalsFlatRenderer}},{key:"pickDepthRenderer",get:function(){return this._pickDepthRenderer||(this._pickDepthRenderer=new If(this._scene)),this._pickDepthRenderer}},{key:"vertexDepthRenderer",get:function(){return this._vertexDepthRenderer||(this._vertexDepthRenderer=new bf(this._scene)),this._vertexDepthRenderer}},{key:"snapDepthBufInitRenderer",get:function(){return this._snapDepthBufInitRenderer||(this._snapDepthBufInitRenderer=new Of(this._scene)),this._snapDepthBufInitRenderer}},{key:"occlusionRenderer",get:function(){return this._occlusionRenderer||(this._occlusionRenderer=new Lf(this._scene)),this._occlusionRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorQualityRendererWithSAO&&this._colorQualityRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._vertexDepthRenderer&&this._vertexDepthRenderer.destroy(),this._snapDepthBufInitRenderer&&this._snapDepthBufInitRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy()}}]),e}(),qf={};var Jf=P((function e(){b(this,e),this.positionsCompressed=[],this.metallicRoughness=[],this.indices8Bits=[],this.indices16Bits=[],this.indices32Bits=[],this.edgeIndices8Bits=[],this.edgeIndices16Bits=[],this.edgeIndices32Bits=[],this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perObjectEdgeIndexBaseOffsets=[],this.perTriangleNumberPortionId8Bits=[],this.perTriangleNumberPortionId16Bits=[],this.perTriangleNumberPortionId32Bits=[],this.perEdgeNumberPortionId8Bits=[],this.perEdgeNumberPortionId16Bits=[],this.perEdgeNumberPortionId32Bits=[]})),Zf=function(){function e(){b(this,e),this.texturePerObjectIdColorsAndFlags=null,this.texturePerObjectIdOffsets=null,this.texturePerObjectIdPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerPolygonIdPortionIds8Bits=null,this.texturePerPolygonIdPortionIds16Bits=null,this.texturePerPolygonIdPortionIds32Bits=null,this.texturePerEdgeIdPortionIds8Bits=null,this.texturePerEdgeIdPortionIds16Bits=null,this.texturePerEdgeIdPortionIds32Bits=null,this.texturePerPolygonIdIndices8Bits=null,this.texturePerPolygonIdIndices16Bits=null,this.texturePerPolygonIdIndices32Bits=null,this.texturePerPolygonIdEdgeIndices8Bits=null,this.texturePerPolygonIdEdgeIndices16Bits=null,this.texturePerPolygonIdEdgeIndices32Bits=null,this.textureModelMatrices=null}return P(e,[{key:"finalize",value:function(){this.indicesPerBitnessTextures={8:this.texturePerPolygonIdIndices8Bits,16:this.texturePerPolygonIdIndices16Bits,32:this.texturePerPolygonIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerPolygonIdPortionIds8Bits,16:this.texturePerPolygonIdPortionIds16Bits,32:this.texturePerPolygonIdPortionIds32Bits},this.edgeIndicesPerBitnessTextures={8:this.texturePerPolygonIdEdgeIndices8Bits,16:this.texturePerPolygonIdEdgeIndices16Bits,32:this.texturePerPolygonIdEdgeIndices32Bits},this.edgeIndicesPortionIdsPerBitnessTextures={8:this.texturePerEdgeIdPortionIds8Bits,16:this.texturePerEdgeIdPortionIds16Bits,32:this.texturePerEdgeIdPortionIds32Bits}}},{key:"bindCommonTextures",value:function(e,t,n,r,i,a){this.texturePerObjectIdPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,n,2),this.texturePerObjectIdColorsAndFlags.bindTexture(e,r,3),this.textureModelMatrices.bindTexture(e,i,4),this.texturePerObjectIdOffsets.bindTexture(e,a,5)}},{key:"bindPickCameraTexture",value:function(e,t){}},{key:"bindTriangleIndicesTextures",value:function(e,t,n,r){this.indicesPortionIdsPerBitnessTextures[r].bindTexture(e,t,6),this.indicesPerBitnessTextures[r].bindTexture(e,n,7)}},{key:"bindEdgeIndicesTextures",value:function(e,t,n,r){this.edgeIndicesPortionIdsPerBitnessTextures[r].bindTexture(e,t,6),this.edgeIndicesPerBitnessTextures[r].bindTexture(e,n,7)}}]),e}(),$f=function(){function e(t,n,r,i){var a=arguments.length>4&&void 0!==arguments[4]?arguments[4]:null;b(this,e),this._gl=t,this._texture=n,this._textureWidth=r,this._textureHeight=i,this._textureData=a}return P(e,[{key:"bindTexture",value:function(e,t,n){return e.bindTexture(t,this,n)}},{key:"bind",value:function(e){return this._gl.activeTexture(this._gl["TEXTURE"+e]),this._gl.bindTexture(this._gl.TEXTURE_2D,this._texture),!0}},{key:"unbind",value:function(e){}}]),e}(),ep={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTextureEdgeIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalPolygons:0,totalPolygons8Bits:0,totalPolygons16Bits:0,totalPolygons32Bits:0,totalEdges:0,totalEdges8Bits:0,totalEdges16Bits:0,totalEdges32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(ep,null,4));var e=0;Object.keys(ep).forEach((function(t){t.startsWith("size")&&(e+=ep[t])})),console.log("Total size ".concat(e," bytes (").concat((e/1e3/1e3).toFixed(2)," MB)")),console.log("Avg bytes / triangle: ".concat((e/ep.totalPolygons).toFixed(2)));var t={};Object.keys(ep).forEach((function(n){n.startsWith("size")&&(t[n]="".concat((ep[n]/e*100).toFixed(2)," % of total"))})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};var tp=function(){function e(){b(this,e)}return P(e,[{key:"disableBindedTextureFiltering",value:function(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}},{key:"generateCameraDataTexture",value:function(e,t,n,r){var i=e.createTexture();e.bindTexture(e.TEXTURE_2D,i),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,4,3),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null);var a=new $f(e,i,4,3),s=!0;a.updateViewMatrix=function(n,i){e.bindTexture(e.TEXTURE_2D,a._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,4,1,e.RGBA,e.FLOAT,new Float32Array(r?Ie(n,r):n)),e.texSubImage2D(e.TEXTURE_2D,0,0,1,4,1,e.RGBA,e.FLOAT,new Float32Array(t.viewNormalMatrix)),e.texSubImage2D(e.TEXTURE_2D,0,0,2,4,1,e.RGBA,e.FLOAT,new Float32Array(i))};var o=function(){s&&(s=!1,a.updateViewMatrix(t.viewMatrix,t.project.matrix))};return t.on("matrix",(function(){return s=!0})),n.on("rendering",o),o(),a}},{key:"generatePickCameraDataTexture",value:function(e,t,n){var r=e.createTexture();e.bindTexture(e.TEXTURE_2D,r),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,4,3),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null);var i=new $f(e,r,4,3);return i.updateViewMatrix=function(r,a){e.bindTexture(e.TEXTURE_2D,i._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,4,1,e.RGBA,e.FLOAT,new Float32Array(n?Ie(r,n):r)),e.texSubImage2D(e.TEXTURE_2D,0,0,1,4,1,e.RGBA,e.FLOAT,new Float32Array(t.viewNormalMatrix)),e.texSubImage2D(e.TEXTURE_2D,0,0,2,4,1,e.RGBA,e.FLOAT,new Float32Array(a))},i}},{key:"generateModelTexture",value:function(e,t){var n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,4,2),e.texSubImage2D(e.TEXTURE_2D,0,0,0,4,1,e.RGBA,e.FLOAT,new Float32Array(t.worldMatrix)),e.texSubImage2D(e.TEXTURE_2D,0,0,1,4,1,e.RGBA,e.FLOAT,new Float32Array(t.worldNormalMatrix)),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new $f(e,n,4,2)}},{key:"generateTextureForColorsAndFlags",value:function(e,t,n,r,i,a,s){var o=t.length;this.numPortions=o;var l=4096,u=Math.ceil(o/512);if(0===u)throw"texture height===0";var c=new Uint8Array(16384*u);ep.sizeDataColorsAndFlags+=c.byteLength,ep.numberOfTextures++;for(var f=0;f<o;f++)c.set(t[f],32*f+0),c.set(n[f],32*f+4),c.set([0,0,0,0],32*f+8),c.set([0,0,0,0],32*f+12),c.set([r[f]>>24&255,r[f]>>16&255,r[f]>>8&255,255&r[f]],32*f+16),c.set([i[f]>>24&255,i[f]>>16&255,i[f]>>8&255,255&i[f]],32*f+20),c.set([a[f]>>24&255,a[f]>>16&255,a[f]>>8&255,255&a[f]],32*f+24),c.set([s[f]?1:0,0,0,0],32*f+28);var p=e.createTexture();return e.bindTexture(e.TEXTURE_2D,p),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,l,u),e.texSubImage2D(e.TEXTURE_2D,0,0,0,l,u,e.RGBA_INTEGER,e.UNSIGNED_BYTE,c,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new $f(e,p,l,u,c)}},{key:"generateTextureForObjectOffsets",value:function(e,t){var n=512,r=Math.ceil(t/n);if(0===r)throw"texture height===0";var i=new Float32Array(1536*r).fill(0);ep.sizeDataTextureOffsets+=i.byteLength,ep.numberOfTextures++;var a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,n,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,n,r,e.RGB,e.FLOAT,i,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new $f(e,a,n,r,i)}},{key:"generateTextureForPositionsDecodeMatrices",value:function(e,t,n){var r=t.length;if(0===r)throw"num decode+entity matrices===0";var i=2048,a=Math.ceil(r/512),s=new Float32Array(8192*a);ep.sizeDataPositionDecodeMatrices+=s.byteLength,ep.numberOfTextures++;for(var o=Z.mat4(),l=0;l<t.length;l++)s.set(Z.mulMat4(n[l],t[l],o),16*l);var u=e.createTexture();return e.bindTexture(e.TEXTURE_2D,u),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,i,a),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,a,e.RGBA,e.FLOAT,s,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new $f(e,u,i,a)}},{key:"generateTextureFor8BitIndices",value:function(e,t){if(0===t.length)return{texture:null,textureHeight:0};var n=4096,r=Math.ceil(t.length/3/n);if(0===r)throw"texture height===0";var i=new Uint8Array(n*r*3);ep.sizeDataTextureIndices+=i.byteLength,ep.numberOfTextures++,i.fill(0),i.set(t,0);var a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,n,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,n,r,e.RGB_INTEGER,e.UNSIGNED_BYTE,i,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new $f(e,a,n,r)}},{key:"generateTextureFor16BitIndices",value:function(e,t){if(0===t.length)return{texture:null,textureHeight:0};var n=4096,r=Math.ceil(t.length/3/n);if(0===r)throw"texture height===0";var i=new Uint16Array(n*r*3);ep.sizeDataTextureIndices+=i.byteLength,ep.numberOfTextures++,i.fill(0),i.set(t,0);var a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,n,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,n,r,e.RGB_INTEGER,e.UNSIGNED_SHORT,i,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new $f(e,a,n,r)}},{key:"generateTextureFor32BitIndices",value:function(e,t){if(0===t.length)return{texture:null,textureHeight:0};var n=4096,r=Math.ceil(t.length/3/n);if(0===r)throw"texture height===0";var i=new Uint32Array(n*r*3);ep.sizeDataTextureIndices+=i.byteLength,ep.numberOfTextures++,i.fill(0),i.set(t,0);var a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,n,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,n,r,e.RGB_INTEGER,e.UNSIGNED_INT,i,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new $f(e,a,n,r)}},{key:"generateTextureFor8BitsEdgeIndices",value:function(e,t){if(0===t.length)return{texture:null,textureHeight:0};var n=4096,r=Math.ceil(t.length/2/n);if(0===r)throw"texture height===0";var i=new Uint8Array(n*r*2);ep.sizeDataTextureEdgeIndices+=i.byteLength,ep.numberOfTextures++,i.fill(0),i.set(t,0);var a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RG8UI,n,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,n,r,e.RG_INTEGER,e.UNSIGNED_BYTE,i,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new $f(e,a,n,r)}},{key:"generateTextureFor16BitsEdgeIndices",value:function(e,t){if(0===t.length)return{texture:null,textureHeight:0};var n=4096,r=Math.ceil(t.length/2/n);if(0===r)throw"texture height===0";var i=new Uint16Array(n*r*2);ep.sizeDataTextureEdgeIndices+=i.byteLength,ep.numberOfTextures++,i.fill(0),i.set(t,0);var a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RG16UI,n,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,n,r,e.RG_INTEGER,e.UNSIGNED_SHORT,i,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new $f(e,a,n,r)}},{key:"generateTextureFor32BitsEdgeIndices",value:function(e,t){if(0===t.length)return{texture:null,textureHeight:0};var n=4096,r=Math.ceil(t.length/2/n);if(0===r)throw"texture height===0";var i=new Uint32Array(n*r*2);ep.sizeDataTextureEdgeIndices+=i.byteLength,ep.numberOfTextures++,i.fill(0),i.set(t,0);var a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RG32UI,n,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,n,r,e.RG_INTEGER,e.UNSIGNED_INT,i,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new $f(e,a,n,r)}},{key:"generateTextureForPositions",value:function(e,t){var n=t.length/3,r=4096,i=Math.ceil(n/r);if(0===i)throw"texture height===0";var a=new Uint16Array(r*i*3);ep.sizeDataTexturePositions+=a.byteLength,ep.numberOfTextures++,a.fill(0),a.set(t,0);var s=e.createTexture();return e.bindTexture(e.TEXTURE_2D,s),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,r,i),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,i,e.RGB_INTEGER,e.UNSIGNED_SHORT,a,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new $f(e,s,r,i)}},{key:"generateTextureForPackedPortionIds",value:function(e,t){if(0===t.length)return{texture:null,textureHeight:0};var n=t.length,r=4096,i=Math.ceil(n/r);if(0===i)throw"texture height===0";var a=new Uint16Array(r*i);a.set(t,0),ep.sizeDataTexturePortionIds+=a.byteLength,ep.numberOfTextures++;var s=e.createTexture();return e.bindTexture(e.TEXTURE_2D,s),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,r,i),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,i,e.RED_INTEGER,e.UNSIGNED_SHORT,a,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new $f(e,s,r,i)}}]),e}(),np=Z.vec4([0,0,0,1]),rp=Z.vec4([0,0,0,1]),ip=Z.vec4([0,0,0,1]),ap=new Uint8Array(4),sp=new Float32Array(3),op=Z.AABB3(),lp=0,up=Z.identityMat4(),cp=function(){function e(t,n){var r,i,a;b(this,e),ep.numberOfLayers++,this._layerNumber=lp++,this.sortId="TriDTX-".concat(this._layerNumber),this.layerIndex=n.layerIndex,this._dataTextureRenderers=(r=t.scene,i=r.id,(a=qf[i])||(a=new Xf(r),qf[i]=a,a._compile(),r.on("compile",(function(){a._compile()})),r.on("destroyed",(function(){delete qf[i],a._destroy()}))),a),this.model=t,this._buffer=new Jf,this._dataTextureState=new Zf,this._dataTextureGenerator=new tp,this._state=new Nt({origin:Z.vec3(n.origin),metallicRoughnessBuf:null,positionsDecodeMatrix:Z.mat4(),textureState:this._dataTextureState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numEdgeIndices8Bits:0,numEdgeIndices16Bits:0,numEdgeIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this._portionToSubPortionsMap=[],this._bucketGeometries={},this.aabb=Z.collapseAABB3(),this._numUpdatesInFrame=0,this._finalized=!1}return P(e,[{key:"canCreatePortion",value:function(e){if(this._finalized)throw"Already finalized";var t=e.buckets.length;this._numPortions+t>65536&&ep.cannotCreatePortion.because10BitsObjectId++;var n=this._numPortions+t<=65536,r=void 0!==e.geometryId&&null!==e.geometryId?"".concat(e.geometryId,"#").concat(0):"".concat(e.id,"#").concat(0);if(!this._bucketGeometries[r]){var i=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits),a=0,s=0;e.buckets.forEach((function(e){a+=e.positionsCompressed.length/3,s+=e.indices.length/3})),(this._state.numVertices+a>16777216||i+s>16777216)&&ep.cannotCreatePortion.becauseTextureSize++,n&&(n=this._state.numVertices+a<=16777216&&i+s<=16777216)}return n}},{key:"createPortion",value:function(e){var t=this;if(this._finalized)throw"Already finalized";var n=[],r=e.worldAABB;e.buckets.forEach((function(i,a){var s=void 0!==e.geometryId&&null!==e.geometryId?"".concat(e.geometryId,"#").concat(a):"".concat(e.id,"#").concat(a),o=t._bucketGeometries[s];o||(o=t._createBucketGeometry(e,i),t._bucketGeometries[s]=o);var l=Z.collapseAABB3(op),u=t._createSubPortion(e,o,i,l);Z.expandAABB3(r,l),n.push(u)}));var i=this._state.origin;0===i[0]&&0===i[1]&&0===i[2]||(r[0]+=i[0],r[1]+=i[1],r[2]+=i[2],r[3]+=i[0],r[4]+=i[1],r[5]+=i[2]),Z.expandAABB3(this.aabb,r);var a=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(n),this.model.numPortions++,a}},{key:"_createBucketGeometry",value:function(e,t){if(t.indices){var n=8*Math.ceil(t.indices.length/3/8)*3;ep.overheadSizeAlignementIndices+=2*(n-t.indices.length);var r=new Uint32Array(n);r.fill(0),r.set(t.indices),t.indices=r}if(t.edgeIndices){var i=8*Math.ceil(t.edgeIndices.length/2/8)*2;ep.overheadSizeAlignementEdgeIndices+=2*(i-t.edgeIndices.length);var a=new Uint32Array(i);a.fill(0),a.set(t.edgeIndices),t.edgeIndices=a}for(var s,o=t.positionsCompressed,l=t.indices,u=t.edgeIndices,c=this._buffer,f=c.positionsCompressed.length/3,p=o.length/3,A=0,d=o.length;A<d;A++)c.positionsCompressed.push(o[A]);var v,h=0;if(l){var I;h=l.length/3,s=(I=p<=256?c.indices8Bits:p<=65536?c.indices16Bits:c.indices32Bits).length/3;for(var y=0,m=l.length;y<m;y++)I.push(l[y])}var w=0;if(u){var g;w=u.length/2,v=(g=p<=256?c.edgeIndices8Bits:p<=65536?c.edgeIndices16Bits:c.edgeIndices32Bits).length/2;for(var T=0,E=u.length;T<E;T++)g.push(u[T])}this._state.numVertices+=p,ep.numberOfGeometries++;var b=Z.collapseAABB3();return Z.expandAABB3Points3(b,t.positionsCompressed),An.decompressAABB(b,e.positionsDecodeMatrix),{vertexBase:f,numVertices:p,numTriangles:h,numEdges:w,indicesBase:s,edgeIndicesBase:v,aabb:b,obb:null}}},{key:"_createSubPortion",value:function(e,t,n,r){var i=e.color;e.metallic,e.roughness;var a,s,o=e.colors,l=e.opacity,u=e.meshMatrix,c=e.sceneModelMatrix,f=e.pickColor,p=this._buffer,A=this._state;if(p.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),p.perObjectInstancePositioningMatrices.push(u||up),u||c){t.obb||(t.obb=Z.AABB3ToOBB3(t.aabb));for(var d=t.obb,v=0,h=d.length;v<h;v+=4)np[0]=d[v+0],np[1]=d[v+1],np[2]=d[v+2],np[3]=1,u&&Z.transformPoint4(u,np,rp),c?(Z.transformPoint4(c,rp,ip),Z.expandAABB3Point3(r,ip)):Z.expandAABB3Point3(r,rp)}else Z.expandAABB3(r,t.aabb);p.perObjectSolid.push(!!e.solid),o?p.perObjectColors.push([255*o[0],255*o[1],255*o[2],255]):i&&p.perObjectColors.push([i[0],i[1],i[2],l]),p.perObjectPickColors.push(f),p.perObjectVertexBases.push(t.vertexBase),a=t.numVertices<=256?A.numIndices8Bits:t.numVertices<=65536?A.numIndices16Bits:A.numIndices32Bits,p.perObjectIndexBaseOffsets.push(a/3-t.indicesBase),s=t.numVertices<=256?A.numEdgeIndices8Bits:t.numVertices<=65536?A.numEdgeIndices16Bits:A.numEdgeIndices32Bits,p.perObjectEdgeIndexBaseOffsets.push(s/2-t.edgeIndicesBase);var I=this._subPortions.length;if(t.numTriangles>0){var y,m=3*t.numTriangles;t.numVertices<=256?(y=p.perTriangleNumberPortionId8Bits,A.numIndices8Bits+=m,ep.totalPolygons8Bits+=t.numTriangles):t.numVertices<=65536?(y=p.perTriangleNumberPortionId16Bits,A.numIndices16Bits+=m,ep.totalPolygons16Bits+=t.numTriangles):(y=p.perTriangleNumberPortionId32Bits,A.numIndices32Bits+=m,ep.totalPolygons32Bits+=t.numTriangles),ep.totalPolygons+=t.numTriangles;for(var w=0;w<t.numTriangles;w+=8)y.push(I)}if(t.numEdges>0){var g,T=2*t.numEdges;t.numVertices<=256?(g=p.perEdgeNumberPortionId8Bits,A.numEdgeIndices8Bits+=T,ep.totalEdges8Bits+=t.numEdges):t.numVertices<=65536?(g=p.perEdgeNumberPortionId16Bits,A.numEdgeIndices16Bits+=T,ep.totalEdges16Bits+=t.numEdges):(g=p.perEdgeNumberPortionId32Bits,A.numEdgeIndices32Bits+=T,ep.totalEdges32Bits+=t.numEdges),ep.totalEdges+=t.numEdges;for(var E=0;E<t.numEdges;E+=8)g.push(I)}return this._subPortions.push({numVertices:t.numTriangles}),this._numPortions++,ep.numberOfPortions++,I}},{key:"finalize",value:function(){var e=this;if(!this._finalized){var t=this._state,n=this._dataTextureState,r=this.model.scene.canvas.gl,i=this._buffer;t.gl=r,n.texturePerObjectIdColorsAndFlags=this._dataTextureGenerator.generateTextureForColorsAndFlags(r,i.perObjectColors,i.perObjectPickColors,i.perObjectVertexBases,i.perObjectIndexBaseOffsets,i.perObjectEdgeIndexBaseOffsets,i.perObjectSolid),n.texturePerObjectIdOffsets=this._dataTextureGenerator.generateTextureForObjectOffsets(r,this._numPortions),n.texturePerObjectIdPositionsDecodeMatrix=this._dataTextureGenerator.generateTextureForPositionsDecodeMatrices(r,i.perObjectPositionsDecodeMatrices,i.perObjectInstancePositioningMatrices),n.texturePerVertexIdCoordinates=this._dataTextureGenerator.generateTextureForPositions(r,i.positionsCompressed),n.texturePerPolygonIdPortionIds8Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(r,i.perTriangleNumberPortionId8Bits),n.texturePerPolygonIdPortionIds16Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(r,i.perTriangleNumberPortionId16Bits),n.texturePerPolygonIdPortionIds32Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(r,i.perTriangleNumberPortionId32Bits),i.perEdgeNumberPortionId8Bits.length>0&&(n.texturePerEdgeIdPortionIds8Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(r,i.perEdgeNumberPortionId8Bits)),i.perEdgeNumberPortionId16Bits.length>0&&(n.texturePerEdgeIdPortionIds16Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(r,i.perEdgeNumberPortionId16Bits)),i.perEdgeNumberPortionId32Bits.length>0&&(n.texturePerEdgeIdPortionIds32Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(r,i.perEdgeNumberPortionId32Bits)),i.indices8Bits.length>0&&(n.texturePerPolygonIdIndices8Bits=this._dataTextureGenerator.generateTextureFor8BitIndices(r,i.indices8Bits)),i.indices16Bits.length>0&&(n.texturePerPolygonIdIndices16Bits=this._dataTextureGenerator.generateTextureFor16BitIndices(r,i.indices16Bits)),i.indices32Bits.length>0&&(n.texturePerPolygonIdIndices32Bits=this._dataTextureGenerator.generateTextureFor32BitIndices(r,i.indices32Bits)),i.edgeIndices8Bits.length>0&&(n.texturePerPolygonIdEdgeIndices8Bits=this._dataTextureGenerator.generateTextureFor8BitsEdgeIndices(r,i.edgeIndices8Bits)),i.edgeIndices16Bits.length>0&&(n.texturePerPolygonIdEdgeIndices16Bits=this._dataTextureGenerator.generateTextureFor16BitsEdgeIndices(r,i.edgeIndices16Bits)),i.edgeIndices32Bits.length>0&&(n.texturePerPolygonIdEdgeIndices32Bits=this._dataTextureGenerator.generateTextureFor32BitsEdgeIndices(r,i.edgeIndices32Bits)),this.model._modelMatricesTexture||(this.model._modelMatricesTexture=this._dataTextureGenerator.generateModelTexture(r,this.model)),n.textureModelMatrices=this.model._modelMatricesTexture,n.cameraTexture=this._dataTextureGenerator.generateCameraDataTexture(this.model.scene.canvas.gl,this.model.scene.camera,this.model.scene,this._state.origin.slice()),n.textureCameraMatrices=n.cameraTexture,n.texturePickCameraMatrices=this._dataTextureGenerator.generatePickCameraDataTexture(this.model.scene.canvas.gl,this.model.scene.camera,this._state.origin.slice()),n.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(function(){e._deferredSetFlagsDirty&&e._uploadDeferredFlags(),e._numUpdatesInFrame=0}))}}},{key:"isEmpty",value:function(){return 0===this._numPortions}},{key:"initFlags",value:function(e,t,n){t&Te&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&Ce&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&Re&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&_e&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&De&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&Be&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&be&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Ee&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),n&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,n,true),this._setFlags2(e,t,true)}},{key:"flushInitFlags",value:function(){this._setDeferredFlags(),this._setDeferredFlags2()}},{key:"setVisible",value:function(e,t,n){if(!this._finalized)throw"Not finalized";t&Te?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,n)}},{key:"setHighlighted",value:function(e,t,n){if(!this._finalized)throw"Not finalized";t&Ce?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,n)}},{key:"setXRayed",value:function(e,t,n){if(!this._finalized)throw"Not finalized";t&Re?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,n)}},{key:"setSelected",value:function(e,t,n){if(!this._finalized)throw"Not finalized";t&_e?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,n)}},{key:"setEdges",value:function(e,t,n){if(!this._finalized)throw"Not finalized";t&Be?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,n)}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&De?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}},{key:"_beginDeferredFlags",value:function(){this._deferredSetFlagsActive=!0}},{key:"_uploadDeferredFlags",value:function(){if(this._deferredSetFlagsActive=!1,this._deferredSetFlagsDirty){this._deferredSetFlagsDirty=!1;var e=this.model.scene.canvas.gl,t=this._dataTextureState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectIdColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectIdColorsAndFlags._textureWidth,t.texturePerObjectIdColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectIdColorsAndFlags._textureData),e.bindTexture(e.TEXTURE_2D,t.texturePerObjectIdOffsets._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectIdOffsets._textureWidth,t.texturePerObjectIdOffsets._textureHeight,e.RGB,e.FLOAT,t.texturePerObjectIdOffsets._textureData)}}},{key:"setCulled",value:function(e,t,n){if(!this._finalized)throw"Not finalized";t&Ee?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,n)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,n){if(!this._finalized)throw"Not finalized";t&be?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,n)}},{key:"setColor",value:function(e,t){for(var n=this._portionToSubPortionsMap[e],r=0,i=n.length;r<i;r++)this._subPortionSetColor(n[r],t)}},{key:"_subPortionSetColor",value:function(e,t){if(!this._finalized)throw"Not finalized";var n=this._dataTextureState,r=this.model.scene.canvas.gl;ap[0]=t[0],ap[1]=t[1],ap[2]=t[2],ap[3]=t[3],n.texturePerObjectIdColorsAndFlags._textureData.set(ap,32*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),r.bindTexture(r.TEXTURE_2D,n.texturePerObjectIdColorsAndFlags._texture),r.texSubImage2D(r.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,r.RGBA_INTEGER,r.UNSIGNED_BYTE,ap))}},{key:"setTransparent",value:function(e,t,n){n?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,n)}},{key:"_setFlags",value:function(e,t,n){for(var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3],i=this._portionToSubPortionsMap[e],a=0,s=i.length;a<s;a++)this._subPortionSetFlags(i[a],t,n,r)}},{key:"_subPortionSetFlags",value:function(e,t,n){var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3];if(!this._finalized)throw"Not finalized";var i,a,s=!!(t&Te),o=!!(t&Re),l=!!(t&Ce),u=!!(t&_e),c=!!(t&Be),f=!!(t&be),p=!!(t&Ee);i=!s||p||o?to.NOT_RENDERED:n?to.COLOR_TRANSPARENT:to.COLOR_OPAQUE,a=!s||p?to.NOT_RENDERED:u?to.SILHOUETTE_SELECTED:l?to.SILHOUETTE_HIGHLIGHTED:o?to.SILHOUETTE_XRAYED:to.NOT_RENDERED;var A=0;A=!s||p?to.NOT_RENDERED:u?to.EDGES_SELECTED:l?to.EDGES_HIGHLIGHTED:o?to.EDGES_XRAYED:c?n?to.EDGES_COLOR_TRANSPARENT:to.EDGES_COLOR_OPAQUE:to.NOT_RENDERED;var d=s&&f?to.PICK:to.NOT_RENDERED,v=this._dataTextureState,h=this.model.scene.canvas.gl;ap[0]=i,ap[1]=a,ap[2]=A,ap[3]=d,v.texturePerObjectIdColorsAndFlags._textureData.set(ap,32*e+8),this._deferredSetFlagsActive||r?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),h.bindTexture(h.TEXTURE_2D,v.texturePerObjectIdColorsAndFlags._texture),h.texSubImage2D(h.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,h.RGBA_INTEGER,h.UNSIGNED_BYTE,ap))}},{key:"_setDeferredFlags",value:function(){}},{key:"_setFlags2",value:function(e,t){for(var n=arguments.length>2&&void 0!==arguments[2]&&arguments[2],r=this._portionToSubPortionsMap[e],i=0,a=r.length;i<a;i++)this._subPortionSetFlags2(r[i],t,n)}},{key:"_subPortionSetFlags2",value:function(e,t){var n=arguments.length>2&&void 0!==arguments[2]&&arguments[2];if(!this._finalized)throw"Not finalized";var r=t&De?255:0,i=this._dataTextureState,a=this.model.scene.canvas.gl;ap[0]=r,ap[1]=0,ap[2]=1,ap[3]=2,i.texturePerObjectIdColorsAndFlags._textureData.set(ap,32*e+12),this._deferredSetFlagsActive||n?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),a.bindTexture(a.TEXTURE_2D,i.texturePerObjectIdColorsAndFlags._texture),a.texSubImage2D(a.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,a.RGBA_INTEGER,a.UNSIGNED_BYTE,ap))}},{key:"_setDeferredFlags2",value:function(){}},{key:"setOffset",value:function(e,t){for(var n=this._portionToSubPortionsMap[e],r=0,i=n.length;r<i;r++)this._subPortionSetOffset(n[r],t)}},{key:"_subPortionSetOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";var n=this._dataTextureState,r=this.model.scene.canvas.gl;sp[0]=t[0],sp[1]=t[1],sp[2]=t[2],n.texturePerObjectIdOffsets._textureData.set(sp,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),r.bindTexture(r.TEXTURE_2D,n.texturePerObjectIdOffsets._texture),r.texSubImage2D(r.TEXTURE_2D,0,0,e,1,1,r.RGB,r.FLOAT,sp))}},{key:"drawColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.withSAO&&this.model.saoEnabled?this._dataTextureRenderers.colorRendererWithSAO&&this._dataTextureRenderers.colorRendererWithSAO.drawLayer(t,this,to.COLOR_OPAQUE):this._dataTextureRenderers.colorRenderer&&this._dataTextureRenderers.colorRenderer.drawLayer(t,this,to.COLOR_OPAQUE))}},{key:"_updateBackfaceCull",value:function(e,t){var n=this.model.backfaces||e.sectioned;if(t.backfaces!==n){var r=t.gl;n?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),t.backfaces=n}}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.colorRenderer&&this._dataTextureRenderers.colorRenderer.drawLayer(t,this,to.COLOR_TRANSPARENT))}},{key:"drawDepth",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.depthRenderer&&this._dataTextureRenderers.depthRenderer.drawLayer(t,this,to.COLOR_OPAQUE))}},{key:"drawNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.normalsRenderer&&this._dataTextureRenderers.normalsRenderer.drawLayer(t,this,to.COLOR_OPAQUE))}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.silhouetteRenderer&&this._dataTextureRenderers.silhouetteRenderer.drawLayer(t,this,to.SILHOUETTE_XRAYED))}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.silhouetteRenderer&&this._dataTextureRenderers.silhouetteRenderer.drawLayer(t,this,to.SILHOUETTE_HIGHLIGHTED))}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.silhouetteRenderer&&this._dataTextureRenderers.silhouetteRenderer.drawLayer(t,this,to.SILHOUETTE_SELECTED))}},{key:"drawEdgesColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._dataTextureRenderers.edgesColorRenderer&&this._dataTextureRenderers.edgesColorRenderer.drawLayer(t,this,to.EDGES_COLOR_OPAQUE)}},{key:"drawEdgesColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._dataTextureRenderers.edgesColorRenderer&&this._dataTextureRenderers.edgesColorRenderer.drawLayer(t,this,to.EDGES_COLOR_TRANSPARENT)}},{key:"drawEdgesHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._dataTextureRenderers.edgesRenderer&&this._dataTextureRenderers.edgesRenderer.drawLayer(t,this,to.EDGES_HIGHLIGHTED)}},{key:"drawEdgesSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._dataTextureRenderers.edgesRenderer&&this._dataTextureRenderers.edgesRenderer.drawLayer(t,this,to.EDGES_SELECTED)}},{key:"drawEdgesXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._dataTextureRenderers.edgesRenderer&&this._dataTextureRenderers.edgesRenderer.drawLayer(t,this,to.EDGES_XRAYED)}},{key:"drawOcclusion",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.occlusionRenderer&&this._dataTextureRenderers.occlusionRenderer.drawLayer(t,this,to.COLOR_OPAQUE))}},{key:"drawShadow",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.shadowRenderer&&this._dataTextureRenderers.shadowRenderer.drawLayer(t,this,to.COLOR_OPAQUE))}},{key:"setPickMatrices",value:function(e,t){0!==this._numVisibleLayerPortions&&this._dataTextureState.texturePickCameraMatrices.updateViewMatrix(e,t)}},{key:"drawPickMesh",value:function(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.pickMeshRenderer&&this._dataTextureRenderers.pickMeshRenderer.drawLayer(t,this,to.PICK))}},{key:"drawPickDepths",value:function(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.pickDepthRenderer&&this._dataTextureRenderers.pickDepthRenderer.drawLayer(t,this,to.PICK))}},{key:"drawSnapInitDepthBuf",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.snapDepthBufInitRenderer&&this._dataTextureRenderers.snapDepthBufInitRenderer.drawLayer(t,this,to.PICK))}},{key:"drawSnapDepths",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.vertexDepthRenderer&&this._dataTextureRenderers.vertexDepthRenderer.drawLayer(t,this,to.PICK))}},{key:"drawPickNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._dataTextureRenderers.pickNormalsRenderer&&this._dataTextureRenderers.pickNormalsRenderer.drawLayer(t,this,to.PICK))}},{key:"destroy",value:function(){if(!this._destroyed){var e=this._state;e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}}]),e}(),fp=Z.vec3();Z.mat4();var pp=Z.vec3([1,1,1]),Ap=Z.vec3([0,0,0]),dp=Z.vec3([0,0,0]),vp=Z.identityQuaternion(),hp=Z.identityMat4(),Ip=new Uint8Array([255,255,255]),yp=function(e){I(n,ve);var t=m(n);function n(e){var r,i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return b(this,n),(r=t.call(this,e,i))._dtxEnabled=r.scene.dtxEnabled&&!1!==i.dtxEnabled,r._enableVertexWelding=!1,r._enableIndexBucketing=!0,r._vboBatchingLayerScratchMemory=eo(),r._textureTranscoder=i.textureTranscoder||Ec(r.scene.viewer),r._maxGeometryBatchSize=i.maxGeometryBatchSize,r._aabb=Z.collapseAABB3(),r._aabbDirty=!0,r._quantizationRanges={},r._vboInstancingLayers={},r._vboBatchingLayers={},r._dtxLayers={},r._meshList=[],r.layerList=[],r._entityList=[],r._geometries={},r._dtxBuckets={},r._textures={},r._textureSets={},r._meshes={},r._entities={},r._scheduledMeshes={},r.renderFlags=new ea,r.numGeometries=0,r.numPortions=0,r.numVisibleLayerPortions=0,r.numTransparentLayerPortions=0,r.numXRayedLayerPortions=0,r.numHighlightedLayerPortions=0,r.numSelectedLayerPortions=0,r.numEdgesLayerPortions=0,r.numPickableLayerPortions=0,r.numClippableLayerPortions=0,r.numCulledLayerPortions=0,r.numEntities=0,r._numTriangles=0,r._numLines=0,r._numPoints=0,r._edgeThreshold=i.edgeThreshold||10,r._origin=Z.vec3(i.origin||[0,0,0]),r._position=Z.vec3(i.position||[0,0,0]),r._rotation=Z.vec3(i.rotation||[0,0,0]),r._quaternion=Z.vec4(i.quaternion||[0,0,0,1]),r._conjugateQuaternion=Z.vec4(i.quaternion||[0,0,0,1]),i.rotation&&Z.eulerToQuaternion(r._rotation,"XYZ",r._quaternion),r._scale=Z.vec3(i.scale||[1,1,1]),r._worldRotationMatrix=Z.mat4(),r._worldRotationMatrixConjugate=Z.mat4(),r._matrix=Z.mat4(),r._matrixDirty=!0,r._rebuildMatrices(),r._worldNormalMatrix=Z.mat4(),Z.inverseMat4(r._matrix,r._worldNormalMatrix),Z.transposeMat4(r._worldNormalMatrix),(i.matrix||i.position||i.rotation||i.scale||i.quaternion)&&(r._viewMatrix=Z.mat4(),r._viewNormalMatrix=Z.mat4(),r._viewMatrixDirty=!0,r._matrixNonIdentity=!0),r._opacity=1,r._colorize=[1,1,1],r._saoEnabled=!1!==i.saoEnabled,r._pbrEnabled=!1!==i.pbrEnabled,r._colorTextureEnabled=!1!==i.colorTextureEnabled,r._isModel=i.isModel,r._isModel&&r.scene._registerModel(g(r)),r._onCameraViewMatrix=r.scene.camera.on("matrix",(function(){r._viewMatrixDirty=!0})),r.scene.vfc.enabled&&(r._vfcManager=r.scene.vfc.getVFCManager(g(r))),r._createDefaultTextureSet(),r.visible=i.visible,r.culled=i.culled,r.pickable=i.pickable,r.clippable=i.clippable,r.collidable=i.collidable,r.castsShadow=i.castsShadow,r.receivesShadow=i.receivesShadow,r.xrayed=i.xrayed,r.highlighted=i.highlighted,r.selected=i.selected,r.edges=i.edges,r.colorize=i.colorize,r.opacity=i.opacity,r.backfaces=i.backfaces,r}return P(n,[{key:"_createDefaultTextureSet",value:function(){var e=new pc({id:"defaultColorTexture",texture:new Ha({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})}),t=new pc({id:"defaultMetalRoughTexture",texture:new Ha({gl:this.scene.canvas.gl,preloadColor:[0,1,1,1]})}),n=new pc({id:"defaultNormalsTexture",texture:new Ha({gl:this.scene.canvas.gl,preloadColor:[0,0,0,0]})}),r=new pc({id:"defaultEmissiveTexture",texture:new Ha({gl:this.scene.canvas.gl,preloadColor:[0,0,0,1]})}),i=new pc({id:"defaultOcclusionTexture",texture:new Ha({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})});this._textures.defaultColorTexture=e,this._textures.defaultMetalRoughTexture=t,this._textures.defaultNormalsTexture=n,this._textures.defaultEmissiveTexture=r,this._textures.defaultOcclusionTexture=i,this._textureSets.defaultTextureSet=new fc({id:"defaultTextureSet",model:this,colorTexture:e,metallicRoughnessTexture:t,normalsTexture:n,emissiveTexture:r,occlusionTexture:i})}},{key:"isPerformanceModel",get:function(){return!0}},{key:"objects",get:function(){return this._entities}},{key:"origin",get:function(){return this._origin}},{key:"position",get:function(){return this._position},set:function(e){this._position.set(e||[0,0,0]),this._setWorldMatrixDirty(),this._setWorldAABBDirty(),this.glRedraw()}},{key:"rotation",get:function(){return this._rotation},set:function(e){this._rotation.set(e||[0,0,0]),Z.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setWorldMatrixDirty(),this._setWorldAABBDirty(),this.glRedraw()}},{key:"quaternion",get:function(){return this._quaternion},set:function(e){this._quaternion.set(e||[0,0,0,1]),Z.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setWorldMatrixDirty(),this._setWorldAABBDirty(),this.glRedraw()}},{key:"scale",get:function(){return this._scale},set:function(e){}},{key:"matrix",get:function(){return this._matrixDirty&&this._rebuildMatrices(),this._matrix},set:function(e){this._matrix.set(e||hp),Z.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),Z.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),Z.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),Z.translateMat4v(this._position,this._matrix),this._matrixDirty=!1,this._setWorldMatrixDirty(),this._setWorldAABBDirty(),this.glRedraw()}},{key:"rotationMatrix",get:function(){return this._matrixDirty&&this._rebuildMatrices(),this._worldRotationMatrix}},{key:"_rebuildMatrices",value:function(){this._matrixDirty&&(Z.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),Z.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),Z.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),Z.translateMat4v(this._position,this._matrix),this._matrixDirty=!1)}},{key:"rotationMatrixConjugate",get:function(){return this._matrixDirty&&this._rebuildMatrices(),this._worldRotationMatrixConjugate}},{key:"_setWorldMatrixDirty",value:function(){this._matrixDirty=!0}},{key:"_setLocalAABBDirty",value:function(){for(var e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._setLocalAABBDirty()}},{key:"_setWorldAABBDirty",value:function(){this._aabbDirty=!0,this.scene._aabbDirty=!0,this._matrixDirty=!0;for(var e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._setWorldAABBDirty()}},{key:"worldMatrix",get:function(){return this.matrix}},{key:"worldNormalMatrix",get:function(){return this._worldNormalMatrix}},{key:"viewMatrix",get:function(){return this._viewMatrix?(this._matrixDirty&&(this._rebuildMatrices(),this._viewMatrixDirty=!0),this._viewMatrixDirty&&(Z.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),Z.inverseMat4(this._viewMatrix,this._viewNormalMatrix),Z.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1),this._viewMatrix):this.scene.camera.viewMatrix}},{key:"viewNormalMatrix",get:function(){return this._viewNormalMatrix?(this._matrixDirty&&(this._rebuildMatrices(),this._viewMatrixDirty=!0),this._viewMatrixDirty&&(Z.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),Z.inverseMat4(this._viewMatrix,this._viewNormalMatrix),Z.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1),Z.inverseMat4(this._viewMatrix,this._viewNormalMatrix),Z.transposeMat4(this._viewNormalMatrix),this._viewNormalMatrix):this.scene.camera.viewNormalMatrix}},{key:"backfaces",get:function(){return this._backfaces},set:function(e){e=!!e,this._backfaces=e,this.glRedraw()}},{key:"entityList",get:function(){return this._entityList}},{key:"isEntity",get:function(){return!0}},{key:"isModel",get:function(){return this._isModel}},{key:"isObject",get:function(){return!1}},{key:"aabb",get:function(){if(this._aabbDirty){Z.collapseAABB3(this._aabb);for(var e=0,t=this._entityList.length;e<t;e++)Z.expandAABB3(this._aabb,this._entityList[e].aabb);this._aabbDirty=!1}return this._aabb}},{key:"numTriangles",get:function(){return this._numTriangles}},{key:"numLines",get:function(){return this._numLines}},{key:"numPoints",get:function(){return this._numPoints}},{key:"visible",get:function(){return this.numVisibleLayerPortions>0},set:function(e){e=!1!==e,this._visible=e;for(var t=0,n=this._entityList.length;t<n;t++)this._entityList[t].visible=e;this.glRedraw()}},{key:"xrayed",get:function(){return this.numXRayedLayerPortions>0},set:function(e){e=!!e,this._xrayed=e;for(var t=0,n=this._entityList.length;t<n;t++)this._entityList[t].xrayed=e;this.glRedraw()}},{key:"highlighted",get:function(){return this.numHighlightedLayerPortions>0},set:function(e){e=!!e,this._highlighted=e;for(var t=0,n=this._entityList.length;t<n;t++)this._entityList[t].highlighted=e;this.glRedraw()}},{key:"selected",get:function(){return this.numSelectedLayerPortions>0},set:function(e){e=!!e,this._selected=e;for(var t=0,n=this._entityList.length;t<n;t++)this._entityList[t].selected=e;this.glRedraw()}},{key:"edges",get:function(){return this.numEdgesLayerPortions>0},set:function(e){e=!!e,this._edges=e;for(var t=0,n=this._entityList.length;t<n;t++)this._entityList[t].edges=e;this.glRedraw()}},{key:"culled",get:function(){return this._culled},set:function(e){e=!!e,this._culled=e;for(var t=0,n=this._entityList.length;t<n;t++)this._entityList[t].culled=e;this.glRedraw()}},{key:"clippable",get:function(){return this._clippable},set:function(e){e=!1!==e,this._clippable=e;for(var t=0,n=this._entityList.length;t<n;t++)this._entityList[t].clippable=e;this.glRedraw()}},{key:"collidable",get:function(){return this._collidable},set:function(e){e=!1!==e,this._collidable=e;for(var t=0,n=this._entityList.length;t<n;t++)this._entityList[t].collidable=e}},{key:"pickable",get:function(){return this.numPickableLayerPortions>0},set:function(e){e=!1!==e,this._pickable=e;for(var t=0,n=this._entityList.length;t<n;t++)this._entityList[t].pickable=e}},{key:"colorize",get:function(){return this._colorize},set:function(e){this._colorize=e;for(var t=0,n=this._entityList.length;t<n;t++)this._entityList[t].colorize=e}},{key:"opacity",get:function(){return this._opacity},set:function(e){this._opacity=e;for(var t=0,n=this._entityList.length;t<n;t++)this._entityList[t].opacity=e}},{key:"castsShadow",get:function(){return this._castsShadow},set:function(e){(e=!1!==e)!==this._castsShadow&&(this._castsShadow=e,this.glRedraw())}},{key:"receivesShadow",get:function(){return this._receivesShadow},set:function(e){(e=!1!==e)!==this._receivesShadow&&(this._receivesShadow=e,this.glRedraw())}},{key:"saoEnabled",get:function(){return this._saoEnabled}},{key:"pbrEnabled",get:function(){return this._pbrEnabled}},{key:"colorTextureEnabled",get:function(){return this._colorTextureEnabled}},{key:"isDrawable",get:function(){return!0}},{key:"isStateSortable",get:function(){return!1}},{key:"xrayMaterial",get:function(){return this.scene.xrayMaterial}},{key:"highlightMaterial",get:function(){return this.scene.highlightMaterial}},{key:"selectedMaterial",get:function(){return this.scene.selectedMaterial}},{key:"edgeMaterial",get:function(){return this.scene.edgeMaterial}},{key:"getPickViewMatrix",value:function(e){return this._viewMatrix?this._viewMatrix:e}},{key:"createQuantizationRange",value:function(e){void 0!==e.id&&null!==e.id?e.aabb?this.error("[createQuantizationRange] Config missing: aabb"):this._quantizationRanges[e.id]?this.error("[createQuantizationRange] QuantizationRange already created: "+e.id):this._quantizationRanges[e.id]={id:e.id,aabb:e.aabb,matrix:Go(e.aabb,Z.mat4())}:this.error("[createQuantizationRange] Config missing: id")}},{key:"createGeometry",value:function(e){if(void 0!==e.id&&null!==e.id)if(this._geometries[e.id])this.error("[createGeometry] Geometry already created: "+e.id);else if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"===e.primitive||"lines"===e.primitive||"triangles"===e.primitive||"solid"===e.primitive||"surface"===e.primitive){if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("[createGeometry] Param expected: `positions`,  `positionsCompressed' or 'buckets"),null;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("[createGeometry] Param expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.positionsDecodeMatrix&&e.positionsDecodeBoundary)return this.error("[createGeometry] Only one of these params expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("[createGeometry] Param expected: `uvDecodeMatrix` (required for `uvCompressed')"),null;if(!e.buckets&&!e.indices&&"points"!==e.primitive)return this.error("[createGeometry] Param expected: indices (required for '".concat(e.primitive,"' primitive type)")),null;if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=Go(e.positionsDecodeBoundary,Z.mat4())),e.positions){var t=Z.collapseAABB3();e.positionsDecodeMatrix=Z.mat4(),Z.expandAABB3Points3(t,e.positions),e.positionsCompressed=Uo(e.positions,t,e.positionsDecodeMatrix)}else e.positionsDecodeMatrix=new Float64Array(e.positionsDecodeMatrix),e.positionsCompressed=new Uint16Array(e.positionsCompressed);if(e.colorsCompressed&&e.colorsCompressed.length>0)e.colorsCompressed=new Uint8Array(e.colorsCompressed);else if(e.colors&&e.colors.length>0){for(var n=e.colors,r=new Uint8Array(n.length),i=0,a=n.length;i<a;i++)r[i]=255*n[i];e.colorsCompressed=r}if(e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=sn(e.positions,e.indices,null,5):e.edgeIndices=sn(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.buckets&&(this._dtxBuckets[e.id]=e.buckets),e.uv){var s=An.getUVBounds(e.uv),o=An.compressUVs(e.uv,s.min,s.max);e.uvCompressed=o.quantized,e.uvDecodeMatrix=o.decodeMatrix}else e.uvCompressed&&(e.uvCompressed=new Uint16Array(e.uvCompressed),e.uvDecodeMatrix=new Float64Array(e.uvDecodeMatrix));e.normals&&(e.normals=null),this._geometries[e.id]=e,this._numTriangles+=e.indices?Math.round(e.indices.length/3):0,this.numGeometries++}else this.error("[createGeometry] Unsupported value for 'primitive': '".concat(primitive,"' - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'. Defaulting to 'triangles'."));else this.error("[createGeometry] Config missing: id")}},{key:"createTexture",value:function(e){var t=this,n=e.id;if(null!=n)if(this._textures[n])this.error("[createTexture] Texture already created: "+n);else{if(!e.src&&!e.image&&!e.buffers)return this.error("[createTexture] Param expected: `src`, `image' or 'buffers'"),null;var r=e.minFilter||1008;1006!==r&&1007!==r&&1008!==r&&1005!==r&&1004!==r&&(this.error("[createTexture] Unsupported value for 'minFilter' - \n            supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, \n            NearestMipMapLinearFilter and LinearMipmapLinearFilter. Defaulting to LinearMipmapLinearFilter."),r=1008);var i=e.magFilter||1006;1006!==i&&1003!==i&&(this.error("[createTexture] Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),i=1006);var a=e.wrapS||1e3;1001!==a&&1002!==a&&1e3!==a&&(this.error("[createTexture] Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),a=1e3);var s=e.wrapT||1e3;1001!==s&&1002!==s&&1e3!==s&&(this.error("[createTexture] Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),s=1e3);var o=e.wrapR||1e3;1001!==o&&1002!==o&&1e3!==o&&(this.error("[createTexture] Unsupported value for 'wrapR' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),o=1e3);var l=e.encoding||3e3;3e3!==l&&3001!==l&&(this.error("[createTexture] Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),l=3e3);var u=new Ha({gl:this.scene.canvas.gl,minFilter:r,magFilter:i,wrapS:a,wrapT:s,wrapR:o,encoding:l});if(e.preloadColor&&u.setPreloadColor(e.preloadColor),e.image){var c=e.image;c.crossOrigin="Anonymous",u.setImage(c,{minFilter:r,magFilter:i,wrapS:a,wrapT:s,wrapR:o,flipY:e.flipY,encoding:l})}else if(e.src){var f=e.src.split(".").pop();switch(f){case"jpeg":case"jpg":case"png":case"gif":var p=new Image;p.onload=function(){u.setImage(p,{minFilter:r,magFilter:i,wrapS:a,wrapT:s,wrapR:o,flipY:e.flipY,encoding:l}),t.glRedraw()},p.src=e.src;break;default:this._textureTranscoder?ae.loadArraybuffer(e.src,(function(e){e.byteLength?t._textureTranscoder.transcode([e],u).then((function(){t.glRedraw()})):t.error("[createTexture] Can't create texture from 'src': file data is zero length")}),(function(e){this.error("[createTexture] Can't create texture from 'src': ".concat(e))})):this.error("[createTexture] Can't create texture from 'src' - SceneModel needs to be configured with a TextureTranscoder for this file type ('".concat(f,"')"))}}else e.buffers&&(this._textureTranscoder?this._textureTranscoder.transcode(e.buffers,u).then((function(){t.glRedraw()})):this.error("[createTexture] Can't create texture from 'buffers' - SceneModel needs to be configured with a TextureTranscoder for this option"));this._textures[n]=new pc({id:n,texture:u})}else this.error("[createTexture] Config missing: id")}},{key:"createTextureSet",value:function(e){var t=e.id;if(null!=t)if(this._textureSets[t])this.error("[createTextureSet] Texture set already created: ".concat(t));else{var n,r,i,a,s;if(void 0!==e.colorTextureId&&null!==e.colorTextureId){if(!(n=this._textures[e.colorTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.colorTextureId," - ensure that you create it first with createTexture()"))}else n=this._textures.defaultColorTexture;if(void 0!==e.metallicRoughnessTextureId&&null!==e.metallicRoughnessTextureId){if(!(r=this._textures[e.metallicRoughnessTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.metallicRoughnessTextureId," - ensure that you create it first with createTexture()"))}else r=this._textures.defaultMetalRoughTexture;if(void 0!==e.normalsTextureId&&null!==e.normalsTextureId){if(!(i=this._textures[e.normalsTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.normalsTextureId," - ensure that you create it first with createTexture()"))}else i=this._textures.defaultNormalsTexture;if(void 0!==e.emissiveTextureId&&null!==e.emissiveTextureId){if(!(a=this._textures[e.emissiveTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.emissiveTextureId," - ensure that you create it first with createTexture()"))}else a=this._textures.defaultEmissiveTexture;if(void 0!==e.occlusionTextureId&&null!==e.occlusionTextureId){if(!(s=this._textures[e.occlusionTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.occlusionTextureId," - ensure that you create it first with createTexture()"))}else s=this._textures.defaultOcclusionTexture;var o=new fc({id:t,model:this,colorTexture:n,metallicRoughnessTexture:r,normalsTexture:i,emissiveTexture:a,occlusionTexture:s});this._textureSets[t]=o}else this.error("[createTextureSet] Config missing: id")}},{key:"createMesh",value:function(e){if(void 0!==e.id&&null!==e.id)if(this._scheduledMeshes[e.id])this.error("[createMesh] SceneModel already has a mesh with this ID: ".concat(e.id));else{var t=!(void 0!==e.geometryId);if(e.sceneModelMatrix=this._matrixNonIdentity?this._matrix:null,t){var n=!!this._dtxEnabled;if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"!==e.primitive&&"lines"!==e.primitive&&"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)return void this.error("Unsupported value for 'primitive': '".concat(primitive,"'  ('geometryId' is absent) - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'."));if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("Param expected: 'positions',  'positionsCompressed' or `buckets`  ('geometryId' is absent)"),null;if(e.positions&&(e.positionsDecodeMatrix||e.positionsDecodeBoundary))return this.error("Illegal params: 'positions' not expected with 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),null;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("Param expected: 'positionsCompressed' should be accompanied by 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),null;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("Param expected: 'uvCompressed' should be accompanied by `uvDecodeMatrix` ('geometryId' is absent)"),null;if(!e.buckets&&!e.indices&&"points"!==e.primitive)return this.error("Param expected: indices (required for '".concat(e.primitive,"' primitive type)")),null;if((e.matrix||e.position||e.rotation||e.scale)&&(e.positionsCompressed||e.positionsDecodeBoundary))return this.error("Unexpected params: 'matrix', 'rotation', 'scale', 'position' not allowed with 'positionsCompressed'"),null;if(e.origin=e.origin?Z.addVec3(this._origin,e.origin,Z.vec3()):this._origin,e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position){var r=e.scale||pp,i=e.position||Ap,a=e.rotation||dp;Z.eulerToQuaternion(a,"XYZ",vp),e.meshMatrix=Z.composeMat4(i,vp,r,Z.mat4())}if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=Go(e.positionsDecodeBoundary,Z.mat4())),n){if(e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Ip,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.positions){var s=Z.vec3(),o=[];me(e.positions,o,s)&&(e.positions=o,e.origin=Z.addVec3(e.origin,s,s))}if(e.positions){var l=Z.collapseAABB3();e.positionsDecodeMatrix=Z.mat4(),Z.expandAABB3Points3(l,e.positions),e.positionsCompressed=Uo(e.positions,l,e.positionsDecodeMatrix)}e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=sn(e.positions,e.indices,null,2):e.edgeIndices=sn(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.buckets||(e.buckets=mp(e,this._enableVertexWelding&&this._enableIndexBucketing))}else{if(e.type=1,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):[255,255,255],e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.positions){var u=[];me(e.positions,u,fp)&&(e.positions=u,e.origin=Z.addVec3(e.origin,fp,Z.vec3()))}if(e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=sn(e.positions,e.indices,null,2):e.edgeIndices=sn(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId],!e.textureSet))return void this.error("[createMesh] Texture set not found: ".concat(e.textureSetId," - ensure that you create it first with createTextureSet()"))}}else{if(e.positions||e.positionsCompressed||e.indices||e.edgeIndices||e.normals||e.normalsCompressed||e.uv||e.uvCompressed||e.positionsDecodeMatrix)return void this.error("Mesh geometry parameters not expected when instancing a geometry (not expected: positions, positionsCompressed, indices, edgeIndices, normals, normalsCompressed, uv, uvCompressed, positionsDecodeMatrix)");if(e.geometry=this._geometries[e.geometryId],!e.geometry)return void this.error("[createMesh] Geometry not found: ".concat(e.geometryId," - ensure that you create it first with createGeometry()"));if(e.origin=e.origin?Z.addVec3(this._origin,e.origin,Z.vec3()):this._origin,e.positionsDecodeMatrix=e.geometry.positionsDecodeMatrix,e.matrix)e.meshMatrix=e.matrix.slice();else{var c=e.scale||pp,f=e.position||Ap,p=e.rotation||dp;Z.eulerToQuaternion(p,"XYZ",vp),e.meshMatrix=Z.composeMat4(f,vp,c,Z.mat4())}if(!!this._dtxEnabled){e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Ip,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255;var A=this._dtxBuckets[e.geometryId];A||(A=mp(e.geometry,this._enableVertexWelding,this._enableIndexBucketing),this._dtxBuckets[e.geometryId]=A),e.buckets=A}else e.type=0,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Ip,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId]),function(e){if(e.obb=Z.OBB3(),e.positionsCompressed&&e.positionsCompressed.length>0){var t=Z.collapseAABB3();Z.expandAABB3Points3(t,e.positionsCompressed),An.decompressAABB(t,e.positionsDecodeMatrix),Z.AABB3ToOBB3(t,e.obb)}else if(e.positions&&e.positions.length>0){var n=Z.collapseAABB3();Z.expandAABB3Points3(n,e.positions),Z.AABB3ToOBB3(n,e.obb)}}(e.geometry)}e.numPrimitives=this._getNumPrimitives(e),this._vfcManager&&!this._vfcManager.finalized?this._vfcManager.addMesh(e):this._createMesh(e)}else this.error("[createMesh] SceneModel.createMesh() config missing: id")}},{key:"_createMesh",value:function(e){var t=new Js(this,e.id,e.color,e.opacity);t.pickId=this.scene._renderer.getPickID(t);var n=t.pickId,r=n>>24&255,i=n>>16&255,a=n>>8&255,s=255&n;switch(e.pickColor=new Uint8Array([s,a,i,r]),e.worldAABB=Z.collapseAABB3(),e.aabb=e.worldAABB,e.solid="solid"===e.primitive,t.origin=Z.vec3(e.origin),e.type){case 2:t.layer=this._getDTXLayer(e);break;case 1:t.layer=this._getVBOBatchingLayer(e);break;case 0:t.layer=this._getVBOInstancingLayer(e)}t.portionId=t.layer.createPortion(e),t.aabb=e.worldAABB,t.numPrimitives=e.numPrimitives,Z.expandAABB3(this._aabb,t.aabb),this._meshes[e.id]=t,this._meshList.push(t)}},{key:"_getNumPrimitives",value:function(e){var t=0;switch(e.geometry?e.geometry.primitive:e.primitive){case"triangles":case"solid":case"surface":switch(e.type){case 2:for(var n=0,r=e.buckets.length;n<r;n++)t+=e.buckets[n].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/3);case"points":switch(e.type){case 2:for(var i=0,a=e.buckets.length;i<a;i++)t+=e.buckets[i].positionsCompressed.length;break;case 1:case 0:t+=e.positions?e.positions.length:e.positionsCompressed.length}return Math.round(t);case"lines":case"line-strip":switch(e.type){case 2:for(var s=0,o=e.buckets.length;s<o;s++)t+=e.buckets[s].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/2)}return 0}},{key:"_getDTXLayer",value:function(e){var t=e.origin,n="".concat(Math.round(t[0]),".").concat(Math.round(t[1]),".").concat(Math.round(t[2])),r=this._dtxLayers[n];if(r){if(r.canCreatePortion(e))return r;r.finalize(),delete this._dtxLayers[n],r=null}return console.log("[SceneModel ".concat(this.id,"]: creating TrianglesDataTextureLayer")),r=new cp(this,{layerIndex:0,origin:t}),this._dtxLayers[n]=r,this.layerList.push(r),r}},{key:"_getVBOBatchingLayer",value:function(e){var t=this,n=e.origin,r=e.positionsDecodeMatrix||e.positionsDecodeBoundary?this._createHashStringFromMatrix(e.positionsDecodeMatrix||e.positionsDecodeBoundary):"-",i=e.textureSetId||"-",a="".concat(Math.round(n[0]),".").concat(Math.round(n[1]),".").concat(Math.round(n[2]),".").concat(e.primitive,".").concat(r,".").concat(i),s=this._vboBatchingLayers[a];if(s)return s;for(var o=e.textureSet;!s;){switch(e.primitive){case"triangles":case"solid":case"surface":console.log("[SceneModel ".concat(this.id,"]: creating TrianglesBatchingLayer")),s=new yl({model:t,textureSet:o,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:n,maxGeometryBatchSize:this._maxGeometryBatchSize,solid:"solid"===e.primitive,autoNormals:!0});break;case"lines":console.log("[SceneModel ".concat(this.id,"]: creating LinesBatchingLayer")),s=new Tu({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:n,maxGeometryBatchSize:this._maxGeometryBatchSize});break;case"points":console.log("[SceneModel ".concat(this.id,"]: creating PointsBatchingLayer")),s=new Yu({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:n,maxGeometryBatchSize:this._maxGeometryBatchSize})}var l=e.positionsCompressed?e.positionsCompressed.length:e.positions.length;("points"===e.primitive?s.canCreatePortion(l):s.canCreatePortion(l,e.indices.length))||(s.finalize(),delete this._vboBatchingLayers[a],s=null)}return this._vboBatchingLayers[a]=s,this.layerList.push(s),s}},{key:"_createHashStringFromMatrix",value:function(e){for(var t=e.join(""),n=0,r=0;r<t.length;r++){n=(n<<5)-n+t.charCodeAt(r),n|=0}return(n>>>0).toString(16)}},{key:"_getVBOInstancingLayer",value:function(e){var t=this,n=e.origin,r=e.textureSetId||"-",i=e.geometryId,a="".concat(Math.round(n[0]),".").concat(Math.round(n[1]),".").concat(Math.round(n[2]),".").concat(r,".").concat(i),s=this._vboInstancingLayers[a];if(s)return s;for(var o=e.textureSet,l=e.geometry;!s;)switch(l.primitive){case"triangles":case"surface":console.log("[SceneModel ".concat(this.id,"]: creating TrianglesInstancingLayer")),s=new pu({model:t,textureSet:o,geometry:l,origin:n,layerIndex:0,solid:!1});break;case"solid":console.log("[SceneModel ".concat(this.id,"]: creating TrianglesInstancingLayer")),s=new pu({model:t,textureSet:o,geometry:l,origin:n,layerIndex:0,solid:!0});break;case"lines":console.log("[SceneModel ".concat(this.id,"]: creating LinesInstancingLayer")),s=new Nu({model:t,textureSet:o,geometry:l,origin:n,layerIndex:0});break;case"points":console.log("[SceneModel ".concat(this.id,"]: creating PointsInstancingLayer")),s=new cc({model:t,textureSet:o,geometry:l,origin:n,layerIndex:0})}return this._vboInstancingLayers[a]=s,this.layerList.push(s),s}},{key:"createEntity",value:function(e){if(void 0===e.id?e.id=Z.createUUID():this.scene.components[e.id]&&(this.error("Scene already has a Component with this ID: ".concat(e.id," - will assign random ID")),e.id=Z.createUUID()),void 0!==e.meshIds){var t=0;if(this._visible&&!1!==e.visible&&(t|=Te),this._pickable&&!1!==e.pickable&&(t|=be),this._culled&&!1!==e.culled&&(t|=Ee),this._clippable&&!1!==e.clippable&&(t|=De),this._collidable&&!1!==e.collidable&&(t|=Pe),this._edges&&!1!==e.edges&&(t|=Be),this._xrayed&&!1!==e.xrayed&&(t|=Re),this._highlighted&&!1!==e.highlighted&&(t|=Ce),this._selected&&!1!==e.selected&&(t|=_e),e.flags=t,this._vfcManager&&!this._vfcManager.finalized){for(var n=0,r=e.meshIds.length;n<r;n++){var i=e.meshIds[n];if(this._scheduledMeshes[i])return void this.error("[createEntity] Mesh not found: ".concat(i))}this._vfcManager.addEntity(e)}else this._createEntity(e)}else this.error("Config missing: meshIds")}},{key:"_createEntity",value:function(e){for(var t=[],n=Z.collapseAABB3(),r=0,i=e.meshIds.length;r<i;r++){var a=e.meshIds[r],s=this._meshes[a];s?s.parent?this.error('Mesh with ID "'.concat(a,'" already belongs to object with ID "').concat(s.parent.id,'" - ignoring this mesh')):(Z.expandAABB3(n,s.aabb),t.push(s)):this.error('Mesh with this ID not found: "'.concat(a,'" - ignoring this mesh'))}var o=new Le(this,e.isObject,e.id,t,e.flags,n,!0);this._entityList.push(o),this._entities[e.id]=o,this.numEntities++}},{key:"finalize",value:function(){if(!this.destroyed){this._vfcManager&&this._vfcManager.finalize((function(){}));for(var e=0,t=this.layerList.length;e<t;e++){this.layerList[e].finalize()}this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._dtxLayers={},this._vboInstancingLayers={},this._vboBatchingLayers={};for(var n=0,r=this._entityList.length;n<r;n++){this._entityList[n]._finalize()}for(var i=0,a=this._entityList.length;i<a;i++){this._entityList[i]._finalize2()}this.layerList.sort((function(e,t){return e.sortId<t.sortId?-1:e.sortId>t.sortId?1:0}));for(var s=0,o=this.layerList.length;s<o;s++){this.layerList[s].layerIndex=s}this.glRedraw(),this.scene._aabbDirty=!0,this.scene.lod.enabled&&(this._lodManager=this.scene.lod.getLODManager(this))}}},{key:"stateSortCompare",value:function(e,t){}},{key:"rebuildRenderFlags",value:function(){this.renderFlags.reset(),this._updateRenderFlagsVisibleLayers(),this.renderFlags.numLayers>0&&0===this.renderFlags.numVisibleLayers?this.renderFlags.culled=!0:this._updateRenderFlags()}},{key:"_updateRenderFlagsVisibleLayers",value:function(){var e=this.renderFlags;e.numLayers=this.layerList.length,e.numVisibleLayers=0;for(var t=0,n=this.layerList.length;t<n;t++){var r=this.layerList[t];this._getActiveSectionPlanesForLayer(r)&&(e.visibleLayers[e.numVisibleLayers++]=t)}}},{key:"_getActiveSectionPlanesForLayer",value:function(e){var t=this.renderFlags,n=this.scene._sectionPlanesState.sectionPlanes,r=n.length,i=e.layerIndex*r;if(r>0)for(var a=0;a<r;a++){n[a].active?(t.sectionPlanesActivePerLayer[i+a]=!0,t.sectioned=!0):t.sectionPlanesActivePerLayer[i+a]=!1}return!0}},{key:"_updateRenderFlags",value:function(){if(0!==this.numVisibleLayerPortions&&this.numCulledLayerPortions!==this.numPortions){var e=this.renderFlags;if(e.colorOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.colorTransparent=!0),this.numXRayedLayerPortions>0){var t=this.scene.xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}if(this.numEdgesLayerPortions>0)this.scene.edgeMaterial._state.edges&&(e.edgesOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.edgesTransparent=!0));if(this.numSelectedLayerPortions>0){var n=this.scene.selectedMaterial._state;n.fill&&(n.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),n.edges&&(n.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}if(this.numHighlightedLayerPortions>0){var r=this.scene.highlightMaterial._state;r.fill&&(r.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),r.edges&&(r.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}}},{key:"drawColorOpaque",value:function(e){for(var t=this.renderFlags,n=0,r=t.visibleLayers.length;n<r;n++){var i=t.visibleLayers[n];this.layerList[i].drawColorOpaque(t,e)}}},{key:"drawColorTransparent",value:function(e){for(var t=this.renderFlags,n=0,r=t.visibleLayers.length;n<r;n++){var i=t.visibleLayers[n];this.layerList[i].drawColorTransparent(t,e)}}},{key:"drawDepth",value:function(e){for(var t=this.renderFlags,n=0,r=t.visibleLayers.length;n<r;n++){var i=t.visibleLayers[n];this.layerList[i].drawDepth(t,e)}}},{key:"drawNormals",value:function(e){for(var t=this.renderFlags,n=0,r=t.visibleLayers.length;n<r;n++){var i=t.visibleLayers[n];this.layerList[i].drawNormals(t,e)}}},{key:"drawSilhouetteXRayed",value:function(e){for(var t=this.renderFlags,n=0,r=t.visibleLayers.length;n<r;n++){var i=t.visibleLayers[n];this.layerList[i].drawSilhouetteXRayed(t,e)}}},{key:"drawSilhouetteHighlighted",value:function(e){for(var t=this.renderFlags,n=0,r=t.visibleLayers.length;n<r;n++){var i=t.visibleLayers[n];this.layerList[i].drawSilhouetteHighlighted(t,e)}}},{key:"drawSilhouetteSelected",value:function(e){for(var t=this.renderFlags,n=0,r=t.visibleLayers.length;n<r;n++){var i=t.visibleLayers[n];this.layerList[i].drawSilhouetteSelected(t,e)}}},{key:"drawEdgesColorOpaque",value:function(e){for(var t=this.renderFlags,n=0,r=t.visibleLayers.length;n<r;n++){var i=t.visibleLayers[n];this.layerList[i].drawEdgesColorOpaque(t,e)}}},{key:"drawEdgesColorTransparent",value:function(e){for(var t=this.renderFlags,n=0,r=t.visibleLayers.length;n<r;n++){var i=t.visibleLayers[n];this.layerList[i].drawEdgesColorTransparent(t,e)}}},{key:"drawEdgesXRayed",value:function(e){for(var t=this.renderFlags,n=0,r=t.visibleLayers.length;n<r;n++){var i=t.visibleLayers[n];this.layerList[i].drawEdgesXRayed(t,e)}}},{key:"drawEdgesHighlighted",value:function(e){for(var t=this.renderFlags,n=0,r=t.visibleLayers.length;n<r;n++){var i=t.visibleLayers[n];this.layerList[i].drawEdgesHighlighted(t,e)}}},{key:"drawEdgesSelected",value:function(e){for(var t=this.renderFlags,n=0,r=t.visibleLayers.length;n<r;n++){var i=t.visibleLayers[n];this.layerList[i].drawEdgesSelected(t,e)}}},{key:"drawOcclusion",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,n=0,r=t.visibleLayers.length;n<r;n++){var i=t.visibleLayers[n];this.layerList[i].drawOcclusion(t,e)}}},{key:"drawShadow",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,n=0,r=t.visibleLayers.length;n<r;n++){var i=t.visibleLayers[n];this.layerList[i].drawShadow(t,e)}}},{key:"setPickMatrices",value:function(e,t){if(0!==this._numVisibleLayerPortions)for(var n=this.renderFlags,r=0,i=n.visibleLayers.length;r<i;r++){var a=n.visibleLayers[r],s=this.layerList[a];s.setPickMatrices&&s.setPickMatrices(e,t)}}},{key:"drawPickMesh",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,n=0,r=t.visibleLayers.length;n<r;n++){var i=t.visibleLayers[n];this.layerList[i].drawPickMesh(t,e)}}},{key:"drawPickDepths",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,n=0,r=t.visibleLayers.length;n<r;n++){var i=t.visibleLayers[n];this.layerList[i].drawPickDepths(t,e)}}},{key:"drawPickNormals",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,n=0,r=t.visibleLayers.length;n<r;n++){var i=t.visibleLayers[n];this.layerList[i].drawPickNormals(t,e)}}},{key:"drawSnapInitDepthBuf",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,n=0,r=t.visibleLayers.length;n<r;n++){var i=t.visibleLayers[n],a=this.layerList[i];a.drawSnapInitDepthBuf&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,a.drawSnapInitDepthBuf(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}},{key:"drawSnapDepths",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,n=0,r=t.visibleLayers.length;n<r;n++){var i=t.visibleLayers[n],a=this.layerList[i];a.drawSnapDepths&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,a.drawSnapDepths(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}},{key:"destroy",value:function(){for(var e in this._vboBatchingLayers)this._vboBatchingLayers.hasOwnProperty(e)&&this._vboBatchingLayers[e].destroy();for(var t in this._vboBatchingLayers={},this._vboInstancingLayers)this._vboInstancingLayers.hasOwnProperty(t)&&this._vboInstancingLayers[t].destroy();this._vboInstancingLayers={},this.scene.camera.off(this._onCameraViewMatrix);for(var r=0,i=this.layerList.length;r<i;r++)this.layerList[r].destroy();this.layerList=[];for(var a=0,s=this._entityList.length;a<s;a++)this._entityList[a]._destroy();this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._meshes={},this._entities={},this.scene._aabbDirty=!0,this._isModel&&this.scene._deregisterModel(this),0!==$s&&0==--$s&&Zs._clear(),this._vfcManager&&this.scene.vfc.putVFCManager(this._vfcManager),this._lodManager&&this.scene.lod.putLODManager(this._lodManager),v(T(n.prototype),"destroy",this).call(this)}}]),n}();function mp(e,t,n){var r,i,a,s;if(t){var o=p(Rc({positionsCompressed:e.positionsCompressed,indices:e.indices,edgeIndices:e.edgeIndices}),3);r=o[0],i=o[1],a=o[2]}else r=e.positionsCompressed,i=e.indices,a=e.edgeIndices;n?s=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]&&arguments[2],r=e.positionsCompressed||[],i=Bc(e.indices||[],t),a=Nc(e.edgeIndices||[]);function s(e,t){if(e>t){var n=e;e=t,t=n}function r(n,r){return n!==e?e-n:r!==t?t-r:0}for(var i=0,s=(a.length>>1)-1;i<=s;){var o=s+i>>1,l=r(a[2*o],a[2*o+1]);if(l>0)i=o+1;else{if(!(l<0))return o;s=o-1}}return-i-1}var o=new Int32Array(a.length/2);o.fill(0);var l=r.length/3;if(l>8*(1<<t))return[e];var u=new Int32Array(l);u.fill(-1);var c=[];function f(){u.fill(-1);var e={positionsCompressed:[],indices:[],edgeIndices:[],maxNumPositions:(1<<t)-t,numPositions:0,bucketNumber:c.length};return c.push(e),e}for(var p=f(),A=0,d=i.length;A<d;A+=3){var v=0,h=i[A],I=i[A+1],y=i[A+2];if(-1===u[h]&&v++,-1===u[I]&&v++,-1===u[y]&&v++,v+p.numPositions>p.maxNumPositions&&(p=f()),p.bucketNumber>8)return[e];-1===u[h]&&(u[h]=p.numPositions++,p.positionsCompressed.push(r[3*h]),p.positionsCompressed.push(r[3*h+1]),p.positionsCompressed.push(r[3*h+2])),-1===u[I]&&(u[I]=p.numPositions++,p.positionsCompressed.push(r[3*I]),p.positionsCompressed.push(r[3*I+1]),p.positionsCompressed.push(r[3*I+2])),-1===u[y]&&(u[y]=p.numPositions++,p.positionsCompressed.push(r[3*y]),p.positionsCompressed.push(r[3*y+1]),p.positionsCompressed.push(r[3*y+2])),p.indices.push(u[h]),p.indices.push(u[I]),p.indices.push(u[y]);var m=void 0;(m=s(h,I))>=0&&0===o[m]&&(o[m]=1,p.edgeIndices.push(u[a[2*m]]),p.edgeIndices.push(u[a[2*m+1]])),(m=s(h,y))>=0&&0===o[m]&&(o[m]=1,p.edgeIndices.push(u[a[2*m]]),p.edgeIndices.push(u[a[2*m+1]])),(m=s(I,y))>=0&&0===o[m]&&(o[m]=1,p.edgeIndices.push(u[a[2*m]]),p.edgeIndices.push(u[a[2*m+1]]))}var w=t/8*2,g=t/8,T=2*r.length+(i.length+a.length)*w,E=0;return r.length,c.forEach((function(e){E+=2*e.positionsCompressed.length+(e.indices.length+e.edgeIndices.length)*g,e.positionsCompressed.length})),E>T?[e]:(n&&Lc(c,e),c)}({positionsCompressed:r,indices:i,edgeIndices:a},r.length/3>65536?16:8):s=[{positionsCompressed:r,indices:i,edgeIndices:a}];return s}var wp=function(e){I(n,yp);var t=m(n);function n(e){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return b(this,n),t.call(this,e,r)}return P(n)}(),gp=function(e){I(n,ve);var t=m(n);function n(e){var r,i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return b(this,n),(r=t.call(this,e,i))._skyboxMesh=new fa(g(r),{geometry:new hn(g(r),{primitive:"triangles",positions:[1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,-1,1,-1,-1,1,1,-1,1,1,-1,1,-1,-1,-1,-1,-1,-1,1,-1,-1,-1,1,-1,-1,1,-1,1,-1,-1,1,1,-1,-1,-1,-1,-1,-1,1,-1,1,1,-1],uv:[.5,.6666,.25,.6666,.25,.3333,.5,.3333,.5,.6666,.5,.3333,.75,.3333,.75,.6666,.5,.6666,.5,1,.25,1,.25,.6666,.25,.6666,0,.6666,0,.3333,.25,.3333,.25,0,.5,0,.5,.3333,.25,.3333,.75,.3333,1,.3333,1,.6666,.75,.6666],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]}),background:!0,scale:[2e3,2e3,2e3],rotation:[0,-90,0],material:new gn(g(r),{ambient:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],emissive:[1,1,1],emissiveMap:new Qa(g(r),{src:i.src,flipY:!0,wrapS:"clampToEdge",wrapT:"clampToEdge",encoding:i.encoding||"sRGB"}),backfaces:!0}),visible:!1,pickable:!1,clippable:!1,collidable:!1}),r.size=i.size,r.active=i.active,r}return P(n,[{key:"size",get:function(){return this._size},set:function(e){this._size=e||1e3,this._skyboxMesh.scale=[this._size,this._size,this._size]}},{key:"active",get:function(){return this._skyboxMesh.visible},set:function(e){this._skyboxMesh.visible=e}}]),n}(),Tp=function(){function e(){b(this,e)}return P(e,[{key:"transcode",value:function(e,t){}},{key:"destroy",value:function(){}}]),e}(),Ep=Z.vec4(),bp=Z.vec4(),Dp=Z.vec3(),Pp=Z.vec3(),Rp=Z.vec3(),Cp=Z.vec4(),_p=Z.vec4(),Bp=Z.vec4(),Op=function(){function e(t){b(this,e),this._scene=t}return P(e,[{key:"dollyToCanvasPos",value:function(e,t,n){var r=!1,i=this._scene.camera;if(e){var a=Z.subVec3(e,i.eye,Dp);r=Z.lenVec3(a)<n}if("perspective"===i.projection){i.ortho.scale=i.ortho.scale-n;var s=this._unproject(t,Cp),o=Z.subVec3(s,i.eye,Bp),l=Z.mulVec3Scalar(Z.normalizeVec3(o),-n,[]);if(i.eye=[i.eye[0]-l[0],i.eye[1]-l[1],i.eye[2]-l[2]],i.look=[i.look[0]-l[0],i.look[1]-l[1],i.look[2]-l[2]],e){var u=Z.subVec3(e,i.eye,Dp),c=Z.lenVec3(u),f=Z.mulVec3Scalar(Z.normalizeVec3(Z.subVec3(i.look,i.eye,Pp)),c);i.look=[i.eye[0]+f[0],i.eye[1]+f[1],i.eye[2]+f[2]]}}else if("ortho"===i.projection){var p=this._unproject(t,Cp);i.ortho.scale=i.ortho.scale-n,i.ortho._update();var A=this._unproject(t,_p),d=Z.subVec3(A,p,Bp),v=Z.mulVec3Scalar(Z.normalizeVec3(Z.subVec3(i.look,i.eye,Dp)),-n,Pp),h=Z.addVec3(d,v,Rp);i.eye=[i.eye[0]-h[0],i.eye[1]-h[1],i.eye[2]-h[2]],i.look=[i.look[0]-h[0],i.look[1]-h[1],i.look[2]-h[2]]}return r}},{key:"_unproject",value:function(e,t){var n=this._scene.camera,r=n.project.transposedMatrix,i=r.subarray(8,12),a=r.subarray(12),s=[0,0,-1,1],o=Z.dotVec4(s,i)/Z.dotVec4(s,a);return n.project.unproject(e,o,Ep,bp,t),t}},{key:"destroy",value:function(){}}]),e}(),Sp=Z.vec3(),Np=Z.vec3(),Lp=Z.vec3(),xp=Z.vec4(),Mp=Z.vec4(),Fp=Z.vec4(),Hp=function(){function e(t,n){var r=this;b(this,e),this._scene=t,this._configs=n,this._pivotWorldPos=Z.vec3(),this._cameraOffset=Z.vec3(),this._azimuth=0,this._polar=0,this._radius=0,this._pivotPosSet=!1,this._pivoting=!1,this._shown=!1,this._pivotViewPos=Z.vec4(),this._pivotProjPos=Z.vec4(),this._pivotCanvasPos=Z.vec2(),this._cameraDirty=!0,this._onViewMatrix=this._scene.camera.on("viewMatrix",(function(){r._cameraDirty=!0})),this._onProjMatrix=this._scene.camera.on("projMatrix",(function(){r._cameraDirty=!0})),this._onTick=this._scene.on("tick",(function(){r.updatePivotElement()}))}return P(e,[{key:"updatePivotElement",value:function(){var e=this._scene.camera,t=this._scene.canvas;if(this._pivoting&&this._cameraDirty){Z.transformPoint3(e.viewMatrix,this.getPivotPos(),this._pivotViewPos),this._pivotViewPos[3]=1,Z.transformPoint4(e.projMatrix,this._pivotViewPos,this._pivotProjPos);var n=t.boundary,r=n[2],i=n[3];this._pivotCanvasPos[0]=Math.floor((1+this._pivotProjPos[0]/this._pivotProjPos[3])*r/2),this._pivotCanvasPos[1]=Math.floor((1-this._pivotProjPos[1]/this._pivotProjPos[3])*i/2);var a=t._lastBoundingClientRect;if(!a||t._canvasSizeChanged){var s=t.canvas;a=t._lastBoundingClientRect=s.getBoundingClientRect()}this._pivotElement&&(this._pivotElement.style.left=Math.floor(a.left+this._pivotCanvasPos[0])-this._pivotElement.clientWidth/2+window.scrollX+"px",this._pivotElement.style.top=Math.floor(a.top+this._pivotCanvasPos[1])-this._pivotElement.clientHeight/2+window.scrollY+"px"),this._cameraDirty=!1}}},{key:"setPivotElement",value:function(e){this._pivotElement=e}},{key:"startPivot",value:function(){if(this._cameraLookingDownwards())return this._pivoting=!1,!1;var e=this._scene.camera,t=Z.lookAtMat4v(e.eye,e.look,e.worldUp);Z.transformPoint3(t,this.getPivotPos(),this._cameraOffset);var n=this.getPivotPos();this._cameraOffset[2]+=Z.distVec3(e.eye,n),t=Z.inverseMat4(t);var r=Z.transformVec3(t,this._cameraOffset),i=Z.vec3();if(Z.subVec3(e.eye,n,i),Z.addVec3(i,r),e.zUp){var a=i[1];i[1]=i[2],i[2]=a}this._radius=Z.lenVec3(i),this._polar=Math.acos(i[1]/this._radius),this._azimuth=Math.atan2(i[0],i[2]),this._pivoting=!0}},{key:"_cameraLookingDownwards",value:function(){var e=this._scene.camera,t=Z.normalizeVec3(Z.subVec3(e.look,e.eye,Sp)),n=Z.cross3Vec3(t,e.worldUp,Np);return Z.sqLenVec3(n)<=1e-4}},{key:"getPivoting",value:function(){return this._pivoting}},{key:"setPivotPos",value:function(e){this._pivotWorldPos.set(e),this._pivotPosSet=!0}},{key:"setCanvasPivotPos",value:function(e){var t=this._scene.camera,n=Math.abs(Z.distVec3(this._scene.center,t.eye)),r=t.project.transposedMatrix,i=r.subarray(8,12),a=r.subarray(12),s=[0,0,-1,1],o=Z.dotVec4(s,i)/Z.dotVec4(s,a),l=xp;t.project.unproject(e,o,Mp,Fp,l);var u=Z.normalizeVec3(Z.subVec3(l,t.eye,Sp)),c=Z.addVec3(t.eye,Z.mulVec3Scalar(u,n,Np),Lp);this.setPivotPos(c)}},{key:"getPivotPos",value:function(){return this._pivotPosSet?this._pivotWorldPos:this._scene.camera.look}},{key:"continuePivot",value:function(e,t){if(this._pivoting&&(0!==e||0!==t)){var n=this._scene.camera,r=-e,i=-t;1===n.worldUp[2]&&(r=-r),this._azimuth+=.01*-r,this._polar+=.01*i,this._polar=Z.clamp(this._polar,.001,Math.PI-.001);var a=[this._radius*Math.sin(this._polar)*Math.sin(this._azimuth),this._radius*Math.cos(this._polar),this._radius*Math.sin(this._polar)*Math.cos(this._azimuth)];if(1===n.worldUp[2]){var s=a[1];a[1]=a[2],a[2]=s}var o=Z.lenVec3(Z.subVec3(n.look,n.eye,Z.vec3())),l=this.getPivotPos();Z.addVec3(a,l);var u=Z.lookAtMat4v(a,l,n.worldUp);u=Z.inverseMat4(u);var c=Z.transformVec3(u,this._cameraOffset);u[12]-=c[0],u[13]-=c[1],u[14]-=c[2];var f=[u[8],u[9],u[10]];n.eye=[u[12],u[13],u[14]],Z.subVec3(n.eye,Z.mulVec3Scalar(f,o),n.look),n.up=[u[4],u[5],u[6]],this.showPivot()}}},{key:"showPivot",value:function(){var e=this;this._shown||(null!==this._hideTimeout&&(window.clearTimeout(this._hideTimeout),this._hideTimeout=null),this._pivotElement&&(this.updatePivotElement(),this._pivotElement.style.visibility="visible",this._shown=!0,this._hideTimeout=window.setTimeout((function(){e.hidePivot()}),1e3)))}},{key:"hidePivot",value:function(){this._shown&&(null!==this._hideTimeout&&(window.clearTimeout(this._hideTimeout),this._hideTimeout=null),this._pivotElement&&(this._pivotElement.style.visibility="hidden"),this._shown=!1)}},{key:"endPivot",value:function(){this._pivoting=!1}},{key:"destroy",value:function(){this._scene.camera.off(this._onViewMatrix),this._scene.camera.off(this._onProjMatrix),this._scene.off(this._onTick)}}]),e}(),Up=function(){function e(t,n){b(this,e),this._scene=t.scene,this._cameraControl=t,this._scene.canvas.canvas.oncontextmenu=function(e){e.preventDefault()},this._configs=n,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick=!1,this.pickCursorPos=Z.vec2(),this.picked=!1,this.pickedSurface=!1,this.pickResult=null,this._lastPickedEntityId=null,this._needFireEvents=!1}return P(e,[{key:"update",value:function(){if(this._configs.pointerEnabled&&(this.schedulePickEntity||this.schedulePickSurface)){this.picked=!1,this.pickedSurface=!1,this.snappedOrPicked=!1,this.hoveredSnappedOrSurfaceOff=!1,this._needFireEvents=!1;var e=this._cameraControl.hasSubs("hoverSurface");if(this.scheduleSnapOrPick){var t=this._scene.snapPick({canvasPos:this.pickCursorPos,snapRadius:this._configs.snapRadius,snapMode:this._configs.snapMode});t&&t.snappedWorldPos?(this.snapPickResult=t,this.snappedOrPicked=!0,this._needFireEvents=!0):(this.schedulePickSurface=!0,this.snapPickResult=null)}if(this.schedulePickSurface&&this.pickResult&&this.pickResult.worldPos){var n=this.pickResult.canvasPos;if(n[0]===this.pickCursorPos[0]&&n[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!0,this._needFireEvents=e,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.hoveredSnappedOrSurfaceOff=!0,void(this.scheduleSnapOrPick=!1)}if(this.schedulePickEntity&&this.pickResult&&(this.pickResult.canvasPos||this.pickResult.snappedCanvasPos)){var r=this.pickResult.canvasPos||this.pickResult.snappedCanvasPos;if(r[0]===this.pickCursorPos[0]&&r[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!1,this._needFireEvents=!1,this.schedulePickEntity=!1,void(this.schedulePickSurface=!1)}this.schedulePickSurface||this.scheduleSnapOrPick&&!this.snapPickResult?(this.pickResult=this._scene.pick({pickSurface:!0,pickSurfaceNormal:!1,canvasPos:this.pickCursorPos}),this.pickResult?(this.picked=!0,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.pickedSurface=!0,this._needFireEvents=!0):this.scheduleSnapOrPick&&(this.hoveredSnappedOrSurfaceOff=!0,this._needFireEvents=!0)):(this.pickResult=this._scene.pick({canvasPos:this.pickCursorPos}),this.pickResult&&(this.picked=!0,this.pickedSurface=!1,this._needFireEvents=!0)),this.scheduleSnapOrPick=!1,this.schedulePickEntity=!1,this.schedulePickSurface=!1}}},{key:"fireEvents",value:function(){if(this._needFireEvents){if(this.hoveredSnappedOrSurfaceOff&&this._cameraControl.fire("hoverSnapOrSurfaceOff",{canvasPos:this.pickCursorPos},!0),this.snappedOrPicked)if(this.snapPickResult){var e=new at;e.worldPos=this.snapPickResult.snappedWorldPos,e.canvasPos=this.snapPickResult.snappedCanvasPos,this._cameraControl.fire("hoverSnapOrSurface",e,!0),this.snapPickResult=null}else this._cameraControl.fire("hoverSnapOrSurface",this.pickResult,!0);if(this.picked&&this.pickResult&&(this.pickResult.entity||this.pickResult.worldPos)){if(this.pickResult.entity){var t=this.pickResult.entity.id;this._lastPickedEntityId!==t&&(void 0!==this._lastPickedEntityId&&this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._cameraControl.fire("hoverEnter",this.pickResult,!0),this._lastPickedEntityId=t)}this._cameraControl.fire("hover",this.pickResult,!0),this.pickResult.worldPos&&(this.pickedSurface=!0,this._cameraControl.fire("hoverSurface",this.pickResult,!0))}else void 0!==this._lastPickedEntityId&&(this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),this._cameraControl.fire("hoverOff",{canvasPos:this.pickCursorPos},!0);this.pickResult=null,this._needFireEvents=!1}}},{key:"destroy",value:function(){}}]),e}(),Gp=Z.vec2(),kp=function(){function e(t,n,r,i,a){b(this,e),this._scene=t;var s,o,l,u=n.pickController,c=0,f=0,p=0,A=0,d=!1,v=Z.vec3(),h=!0,I=this._scene.canvas.canvas,y=[];function m(){var e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];I.style.cursor="move",w(),e&&g()}function w(){c=i.pointerCanvasPos[0],f=i.pointerCanvasPos[1],p=i.pointerCanvasPos[0],A=i.pointerCanvasPos[1]}function g(){u.pickCursorPos=i.pointerCanvasPos,u.schedulePickSurface=!0,u.update(),u.picked&&u.pickedSurface&&u.pickResult&&u.pickResult.worldPos?(d=!0,v.set(u.pickResult.worldPos)):d=!1}document.addEventListener("keydown",this._documentKeyDownHandler=function(e){if(r.active&&r.pointerEnabled&&t.input.keyboardEnabled){var n=e.keyCode;y[n]=!0}}),document.addEventListener("keyup",this._documentKeyUpHandler=function(e){if(r.active&&r.pointerEnabled&&t.input.keyboardEnabled){var n=e.keyCode;y[n]=!1}}),I.addEventListener("mousedown",this._mouseDownHandler=function(e){if(r.active&&r.pointerEnabled)switch(e.which){case 1:y[t.input.KEY_SHIFT]||r.planView?(s=!0,m()):(s=!0,m(!1));break;case 2:o=!0,m();break;case 3:l=!0,r.panRightClick&&m()}}),document.addEventListener("mousemove",this._documentMouseMoveHandler=function(){if(r.active&&r.pointerEnabled&&(s||o||l)){var e=t.canvas.boundary,n=e[2],u=e[3],p=i.pointerCanvasPos[0],A=i.pointerCanvasPos[1];if(y[t.input.KEY_SHIFT]||r.planView||!r.panRightClick&&o||r.panRightClick&&l){var h=p-c,I=A-f,m=t.camera;if("perspective"===m.projection){var w=Math.abs(d?Z.lenVec3(Z.subVec3(v,t.camera.eye,[])):t.camera.eyeLookDist)*Math.tan(m.perspective.fov/2*Math.PI/180);a.panDeltaX+=1.5*h*w/u,a.panDeltaY+=1.5*I*w/u}else a.panDeltaX+=.5*m.ortho.scale*(h/u),a.panDeltaY+=.5*m.ortho.scale*(I/u)}else!s||o||l||r.planView||(r.firstPerson?(a.rotateDeltaY-=(p-c)/n*r.dragRotationRate/2,a.rotateDeltaX+=(A-f)/u*(r.dragRotationRate/4)):(a.rotateDeltaY-=(p-c)/n*(1.5*r.dragRotationRate),a.rotateDeltaX+=(A-f)/u*(1.5*r.dragRotationRate)));c=p,f=A}}),I.addEventListener("mousemove",this._canvasMouseMoveHandler=function(e){r.active&&r.pointerEnabled&&i.mouseover&&(h=!0)}),document.addEventListener("mouseup",this._documentMouseUpHandler=function(e){if(r.active&&r.pointerEnabled)switch(e.which){case 1:case 2:case 3:s=!1,o=!1,l=!1}}),I.addEventListener("mouseup",this._mouseUpHandler=function(e){if(r.active&&r.pointerEnabled){if(3===e.which){!function(e,t){if(e){for(var n=e.target,r=0,i=0,a=0,s=0;n.offsetParent;)r+=n.offsetLeft,i+=n.offsetTop,a+=n.scrollLeft,s+=n.scrollTop,n=n.offsetParent;t[0]=e.pageX+a-r,t[1]=e.pageY+s-i}else e=window.event,t[0]=e.x,t[1]=e.y}(e,Gp);var t=Gp[0],i=Gp[1];Math.abs(t-p)<3&&Math.abs(i-A)<3&&n.cameraControl.fire("rightClick",{pagePos:[Math.round(e.pageX),Math.round(e.pageY)],canvasPos:Gp,event:e},!0)}I.style.removeProperty("cursor")}}),I.addEventListener("mouseenter",this._mouseEnterHandler=function(){r.active&&r.pointerEnabled});var T=1/60,E=null;I.addEventListener("wheel",this._mouseWheelHandler=function(e){if(r.active&&r.pointerEnabled){var t=performance.now()/1e3,n=null!==E?t-E:0;E=t,n>.05&&(n=.05),n<T&&(n=T);var s=Math.max(-1,Math.min(1,40*-e.deltaY));if(0!==s){var o=s/Math.abs(s);a.dollyDelta+=-o*n*r.mouseWheelDollyRate,h&&(i.followPointerDirty=!0,h=!1)}}},{passive:!0})}return P(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;document.removeEventListener("keydown",this._documentKeyDownHandler),document.removeEventListener("keyup",this._documentKeyUpHandler),e.removeEventListener("mousedown",this._mouseDownHandler),document.removeEventListener("mousemove",this._documentMouseMoveHandler),e.removeEventListener("mousemove",this._canvasMouseMoveHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._mouseUpHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("wheel",this._mouseWheelHandler)}}]),e}(),jp=Z.vec3(),Vp=Z.vec3(),Qp=Z.vec3(),Wp=Z.vec3(),zp=Z.vec3(),Kp={eye:Z.vec3(),look:Z.vec3(),up:Z.vec3()},Yp=function(){function e(t,n,r,i){b(this,e),this._scene=t;var a=n.cameraControl,s=t.camera;this._onSceneKeyDown=t.input.on("keydown",(function(){if(r.active&&r.pointerEnabled&&t.input.keyboardEnabled&&i.mouseover){var e=a._isKeyDownForAction(a.AXIS_VIEW_RIGHT),o=a._isKeyDownForAction(a.AXIS_VIEW_BACK),l=a._isKeyDownForAction(a.AXIS_VIEW_LEFT),u=a._isKeyDownForAction(a.AXIS_VIEW_FRONT),c=a._isKeyDownForAction(a.AXIS_VIEW_TOP),f=a._isKeyDownForAction(a.AXIS_VIEW_BOTTOM);if(e||o||l||u||c||f){var p=t.aabb,A=Z.getAABB3Diag(p);Z.getAABB3Center(p,jp);var d=Math.abs(A/Math.tan(n.cameraFlight.fitFOV*Z.DEGTORAD)),v=1.1*A;Kp.orthoScale=v,e?(Kp.eye.set(Z.addVec3(jp,Z.mulVec3Scalar(s.worldRight,d,Vp),zp)),Kp.look.set(jp),Kp.up.set(s.worldUp)):o?(Kp.eye.set(Z.addVec3(jp,Z.mulVec3Scalar(s.worldForward,d,Vp),zp)),Kp.look.set(jp),Kp.up.set(s.worldUp)):l?(Kp.eye.set(Z.addVec3(jp,Z.mulVec3Scalar(s.worldRight,-d,Vp),zp)),Kp.look.set(jp),Kp.up.set(s.worldUp)):u?(Kp.eye.set(Z.addVec3(jp,Z.mulVec3Scalar(s.worldForward,-d,Vp),zp)),Kp.look.set(jp),Kp.up.set(s.worldUp)):c?(Kp.eye.set(Z.addVec3(jp,Z.mulVec3Scalar(s.worldUp,d,Vp),zp)),Kp.look.set(jp),Kp.up.set(Z.normalizeVec3(Z.mulVec3Scalar(s.worldForward,1,Qp),Wp))):f&&(Kp.eye.set(Z.addVec3(jp,Z.mulVec3Scalar(s.worldUp,-d,Vp),zp)),Kp.look.set(jp),Kp.up.set(Z.normalizeVec3(Z.mulVec3Scalar(s.worldForward,-1,Qp)))),!r.firstPerson&&r.followPointer&&n.pivotController.setPivotPos(jp),n.cameraFlight.duration>0?n.cameraFlight.flyTo(Kp,(function(){n.pivotController.getPivoting()&&r.followPointer&&n.pivotController.showPivot()})):(n.cameraFlight.jumpTo(Kp),n.pivotController.getPivoting()&&r.followPointer&&n.pivotController.showPivot())}}}))}return P(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){this._scene.input.off(this._onSceneKeyDown)}}]),e}(),Xp=function(){function e(t,n,r,i,a){var s=this;b(this,e),this._scene=t;var o=n.pickController,l=n.pivotController,u=n.cameraControl;this._clicks=0,this._timeout=null,this._lastPickedEntityId=null;var c=!1,f=!1,p=this._scene.canvas.canvas,A=function(e){var r;e&&e.worldPos&&(r=e.worldPos);var i=e&&e.entity?e.entity.aabb:t.aabb;if(r){var a=t.camera;Z.subVec3(a.eye,a.look,[]),n.cameraFlight.flyTo({aabb:i})}else n.cameraFlight.flyTo({aabb:i})};p.addEventListener("mousemove",this._canvasMouseMoveHandler=function(e){if(r.active&&r.pointerEnabled&&!c&&!f){var n=u.hasSubs("hover"),a=u.hasSubs("hoverOut"),l=u.hasSubs("hoverOff"),p=u.hasSubs("hoverSurface"),A=u.hasSubs("hoverSnapOrSurface");if(n||a||l||p||A)if(o.pickCursorPos=i.pointerCanvasPos,o.schedulePickEntity=!0,o.schedulePickSurface=p,o.scheduleSnapOrPick=A,o.update(),o.pickResult){if(o.pickResult.entity){var d=o.pickResult.entity.id;s._lastPickedEntityId!==d&&(void 0!==s._lastPickedEntityId&&u.fire("hoverOut",{entity:t.objects[s._lastPickedEntityId]},!0),u.fire("hoverEnter",o.pickResult,!0),s._lastPickedEntityId=d)}u.fire("hover",o.pickResult,!0),(o.pickResult.worldPos||o.pickResult.snappedWorldPos)&&u.fire("hoverSurface",o.pickResult,!0)}else void 0!==s._lastPickedEntityId&&(u.fire("hoverOut",{entity:t.objects[s._lastPickedEntityId]},!0),s._lastPickedEntityId=void 0),u.fire("hoverOff",{canvasPos:o.pickCursorPos},!0)}}),p.addEventListener("mousedown",this._canvasMouseDownHandler=function(e){if(1===e.which&&(c=!0),3===e.which&&(f=!0),1===e.which&&r.active&&r.pointerEnabled&&(i.mouseDownClientX=e.clientX,i.mouseDownClientY=e.clientY,i.mouseDownCursorX=i.pointerCanvasPos[0],i.mouseDownCursorY=i.pointerCanvasPos[1],!r.firstPerson&&r.followPointer&&(o.pickCursorPos=i.pointerCanvasPos,o.schedulePickSurface=!0,o.update(),1===e.which))){var n=o.pickResult;n&&n.worldPos?(l.setPivotPos(n.worldPos),l.startPivot()):(r.smartPivot?l.setCanvasPivotPos(i.pointerCanvasPos):l.setPivotPos(t.camera.look),l.startPivot())}}),document.addEventListener("mouseup",this._documentMouseUpHandler=function(e){1===e.which&&(c=!1),3===e.which&&(f=!1)}),p.addEventListener("mouseup",this._canvasMouseUpHandler=function(e){if(r.active&&r.pointerEnabled&&(1===e.which&&(l.hidePivot(),!(Math.abs(e.clientX-i.mouseDownClientX)>3||Math.abs(e.clientY-i.mouseDownClientY)>3)))){var a=u.hasSubs("picked"),c=u.hasSubs("pickedNothing"),f=u.hasSubs("pickedSurface"),p=u.hasSubs("doublePicked"),d=u.hasSubs("doublePickedSurface"),v=u.hasSubs("doublePickedNothing");if(!(r.doublePickFlyTo||p||d||v))return(a||c||f)&&(o.pickCursorPos=i.pointerCanvasPos,o.schedulePickEntity=!0,o.schedulePickSurface=f,o.update(),o.pickResult?(u.fire("picked",o.pickResult,!0),o.pickedSurface&&u.fire("pickedSurface",o.pickResult,!0)):u.fire("pickedNothing",{canvasPos:i.pointerCanvasPos},!0)),void(s._clicks=0);if(s._clicks++,1===s._clicks){o.pickCursorPos=i.pointerCanvasPos,o.schedulePickEntity=r.doublePickFlyTo,o.schedulePickSurface=f,o.update();var h=o.pickResult,I=o.pickedSurface;s._timeout=setTimeout((function(){h?(u.fire("picked",h,!0),I&&(u.fire("pickedSurface",h,!0),!r.firstPerson&&r.followPointer&&(n.pivotController.setPivotPos(h.worldPos),n.pivotController.startPivot()&&n.pivotController.showPivot()))):u.fire("pickedNothing",{canvasPos:i.pointerCanvasPos},!0),s._clicks=0}),r.doubleClickTimeFrame)}else{if(null!==s._timeout&&(window.clearTimeout(s._timeout),s._timeout=null),o.pickCursorPos=i.pointerCanvasPos,o.schedulePickEntity=r.doublePickFlyTo||p||d,o.schedulePickSurface=o.schedulePickEntity&&d,o.update(),o.pickResult){if(u.fire("doublePicked",o.pickResult,!0),o.pickedSurface&&u.fire("doublePickedSurface",o.pickResult,!0),r.doublePickFlyTo&&(A(o.pickResult),!r.firstPerson&&r.followPointer)){var y=o.pickResult.entity.aabb,m=Z.getAABB3Center(y);n.pivotController.setPivotPos(m),n.pivotController.startPivot()&&n.pivotController.showPivot()}}else if(u.fire("doublePickedNothing",{canvasPos:i.pointerCanvasPos},!0),r.doublePickFlyTo&&(A(),!r.firstPerson&&r.followPointer)){var w=t.aabb,g=Z.getAABB3Center(w);n.pivotController.setPivotPos(g),n.pivotController.startPivot()&&n.pivotController.showPivot()}s._clicks=0}}},!1)}return P(e,[{key:"reset",value:function(){this._clicks=0,this._lastPickedEntityId=null,this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;e.removeEventListener("mousemove",this._canvasMouseMoveHandler),e.removeEventListener("mousedown",this._canvasMouseDownHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._canvasMouseUpHandler),this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}}]),e}(),qp=function(){function e(t,n,r,i,a){b(this,e),this._scene=t;var s=t.input,o=[],l=t.canvas.canvas,u=!0;this._onSceneMouseMove=s.on("mousemove",(function(){u=!0})),this._onSceneKeyDown=s.on("keydown",(function(e){r.active&&r.pointerEnabled&&t.input.keyboardEnabled&&i.mouseover&&(o[e]=!0,e===s.KEY_SHIFT&&(l.style.cursor="move"))})),this._onSceneKeyUp=s.on("keyup",(function(e){r.active&&r.pointerEnabled&&t.input.keyboardEnabled&&(o[e]=!1,e===s.KEY_SHIFT&&(l.style.cursor=null))})),this._onTick=t.on("tick",(function(e){if(r.active&&r.pointerEnabled&&t.input.keyboardEnabled&&i.mouseover){var l=n.cameraControl,c=e.deltaTime/1e3;if(!r.planView){var f=l._isKeyDownForAction(l.ROTATE_Y_POS,o),p=l._isKeyDownForAction(l.ROTATE_Y_NEG,o),A=l._isKeyDownForAction(l.ROTATE_X_POS,o),d=l._isKeyDownForAction(l.ROTATE_X_NEG,o),v=c*r.keyboardRotationRate;(f||p||A||d)&&(!r.firstPerson&&r.followPointer&&n.pivotController.startPivot(),f?a.rotateDeltaY+=v:p&&(a.rotateDeltaY-=v),A?a.rotateDeltaX+=v:d&&(a.rotateDeltaX-=v),!r.firstPerson&&r.followPointer&&n.pivotController.startPivot())}if(!o[s.KEY_CTRL]&&!o[s.KEY_ALT]){var h=l._isKeyDownForAction(l.DOLLY_BACKWARDS,o),I=l._isKeyDownForAction(l.DOLLY_FORWARDS,o);if(h||I){var y=c*r.keyboardDollyRate;!r.firstPerson&&r.followPointer&&n.pivotController.startPivot(),I?a.dollyDelta-=y:h&&(a.dollyDelta+=y),u&&(i.followPointerDirty=!0,u=!1)}}var m=l._isKeyDownForAction(l.PAN_FORWARDS,o),w=l._isKeyDownForAction(l.PAN_BACKWARDS,o),g=l._isKeyDownForAction(l.PAN_LEFT,o),T=l._isKeyDownForAction(l.PAN_RIGHT,o),E=l._isKeyDownForAction(l.PAN_UP,o),b=l._isKeyDownForAction(l.PAN_DOWN,o),D=(o[s.KEY_ALT]?.3:1)*c*r.keyboardPanRate;(m||w||g||T||E||b)&&(!r.firstPerson&&r.followPointer&&n.pivotController.startPivot(),b?a.panDeltaY+=D:E&&(a.panDeltaY+=-D),T?a.panDeltaX+=-D:g&&(a.panDeltaX+=D),w?a.panDeltaZ+=D:m&&(a.panDeltaZ+=-D))}}))}return P(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){this._scene.off(this._onTick),this._scene.input.off(this._onSceneMouseMove),this._scene.input.off(this._onSceneKeyDown),this._scene.input.off(this._onSceneKeyUp)}}]),e}(),Jp=Z.vec3(),Zp=function(){function e(t,n,r,i,a){b(this,e),this._scene=t;var s=t.camera,o=n.pickController,l=n.pivotController,u=n.panController,c=1,f=1,p=null;this._onTick=t.on("tick",(function(){if(r.active&&r.pointerEnabled){var e="default";if(Math.abs(a.dollyDelta)<.001&&(a.dollyDelta=0),Math.abs(a.rotateDeltaX)<.001&&(a.rotateDeltaX=0),Math.abs(a.rotateDeltaY)<.001&&(a.rotateDeltaY=0),0===a.rotateDeltaX&&0===a.rotateDeltaY||(a.dollyDelta=0),r.followPointer&&--c<=0&&(c=1,0!==a.dollyDelta)){if(0===a.rotateDeltaY&&0===a.rotateDeltaX&&r.followPointer&&i.followPointerDirty&&(o.pickCursorPos=i.pointerCanvasPos,o.schedulePickSurface=!0,o.update(),o.pickResult&&o.pickResult.worldPos?p=o.pickResult.worldPos:(f=1,p=null),i.followPointerDirty=!1),p){var n=Math.abs(Z.lenVec3(Z.subVec3(p,t.camera.eye,Jp)));f=n/r.dollyProximityThreshold}f<r.dollyMinSpeed&&(f=r.dollyMinSpeed)}var A=a.dollyDelta*f;if(0===a.rotateDeltaY&&0===a.rotateDeltaX||(!r.firstPerson&&r.followPointer&&l.getPivoting()?(l.continuePivot(a.rotateDeltaY,a.rotateDeltaX),l.showPivot()):(0!==a.rotateDeltaX&&(r.firstPerson?s.pitch(-a.rotateDeltaX):s.orbitPitch(a.rotateDeltaX)),0!==a.rotateDeltaY&&(r.firstPerson?s.yaw(a.rotateDeltaY):s.orbitYaw(a.rotateDeltaY))),a.rotateDeltaX*=r.rotationInertia,a.rotateDeltaY*=r.rotationInertia,e="grabbing"),Math.abs(a.panDeltaX)<.001&&(a.panDeltaX=0),Math.abs(a.panDeltaY)<.001&&(a.panDeltaY=0),Math.abs(a.panDeltaZ)<.001&&(a.panDeltaZ=0),0!==a.panDeltaX||0!==a.panDeltaY||0!==a.panDeltaZ){var d,v,h=Z.vec3();if(h[0]=a.panDeltaX,h[1]=a.panDeltaY,h[2]=a.panDeltaZ,r.constrainVertical){s.xUp?(d=s.eye[0],v=s.look[0]):s.yUp?(d=s.eye[1],v=s.look[1]):s.zUp&&(d=s.eye[2],v=s.look[2]),s.pan(h);var I=s.eye,y=s.look;s.xUp?(I[0]=d,y[0]=v):s.yUp?(I[1]=d,y[1]=v):s.zUp&&(I[2]=d,y[2]=v),s.eye=I,s.look=y}else s.pan(h);e="grabbing"}if(a.panDeltaX*=r.panInertia,a.panDeltaY*=r.panInertia,a.panDeltaZ*=r.panInertia,0!==A){if(e=A<0?"zoom-in":"zoom-out",r.firstPerson){var m,w;if(r.constrainVertical&&(s.xUp?(m=s.eye[0],w=s.look[0]):s.yUp?(m=s.eye[1],w=s.look[1]):s.zUp&&(m=s.eye[2],w=s.look[2])),r.followPointer)u.dollyToCanvasPos(p,i.pointerCanvasPos,-A)&&(i.followPointerDirty=!0);else s.pan([0,0,A]),s.ortho.scale=s.ortho.scale-A;if(r.constrainVertical){var g=s.eye,T=s.look;s.xUp?(g[0]=m,T[0]=w):s.yUp?(g[1]=m,T[1]=w):s.zUp&&(g[2]=m,T[2]=w),s.eye=g,s.look=T}}else if(r.planView){if(r.followPointer)u.dollyToCanvasPos(p,i.pointerCanvasPos,-A)&&(i.followPointerDirty=!0);else s.ortho.scale=s.ortho.scale+A,s.zoom(A)}else{if(r.followPointer)u.dollyToCanvasPos(p,i.pointerCanvasPos,-A)&&(i.followPointerDirty=!0);else s.ortho.scale=s.ortho.scale+A,s.zoom(A)}a.dollyDelta*=r.dollyInertia}o.fireEvents(),document.body.style.cursor=e}}))}return P(e,[{key:"destroy",value:function(){this._scene.off(this._onTick)}}]),e}(),$p=function(){function e(t,n,r,i,a){b(this,e),this._scene=t;var s=this._scene.canvas.canvas;s.addEventListener("mouseenter",this._mouseEnterHandler=function(){i.mouseover=!0}),s.addEventListener("mouseleave",this._mouseLeaveHandler=function(){i.mouseover=!1,s.style.cursor=null}),document.addEventListener("mousemove",this._mouseMoveHandler=function(e){eA(e,s,i.pointerCanvasPos)}),s.addEventListener("mousedown",this._mouseDownHandler=function(e){r.active&&r.pointerEnabled&&(eA(e,s,i.pointerCanvasPos),i.mouseover=!0)}),s.addEventListener("mouseup",this._mouseUpHandler=function(e){r.active&&r.pointerEnabled})}return P(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;document.removeEventListener("mousemove",this._mouseMoveHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("mouseleave",this._mouseLeaveHandler),e.removeEventListener("mousedown",this._mouseDownHandler),e.removeEventListener("mouseup",this._mouseUpHandler)}}]),e}();function eA(e,t,n){if(e){var r=t.getBoundingClientRect(),i=r.x,a=r.y;n[0]=e.clientX-i,n[1]=e.clientY-a}else e=window.event,n[0]=e.x,n[1]=e.y;return n}var tA=function(e,t){if(e){for(var n=e.target,r=0,i=0;n.offsetParent;)r+=n.offsetLeft,i+=n.offsetTop,n=n.offsetParent;t[0]=e.pageX-r,t[1]=e.pageY-i}else e=window.event,t[0]=e.x,t[1]=e.y;return t},nA=function(){function e(t,n,r,i,a){b(this,e),this._scene=t;var s=n.pickController,o=n.pivotController,l=Z.vec2(),u=Z.vec2(),c=Z.vec2(),f=Z.vec2(),p=[],A=this._scene.canvas.canvas,d=0,v=!1;this._onTick=t.on("tick",(function(){v=!1})),A.addEventListener("touchstart",this._canvasTouchStartHandler=function(e){if(r.active&&r.pointerEnabled){e.preventDefault();var n=e.touches,a=e.changedTouches;for(i.touchStartTime=Date.now(),1===n.length&&1===a.length&&(tA(n[0],l),r.followPointer&&(s.pickCursorPos=l,s.schedulePickSurface=!0,s.update(),r.planView||(s.picked&&s.pickedSurface&&s.pickResult&&s.pickResult.worldPos?(o.setPivotPos(s.pickResult.worldPos),!r.firstPerson&&o.startPivot()&&o.showPivot()):(r.smartPivot?o.setCanvasPivotPos(i.pointerCanvasPos):o.setPivotPos(t.camera.look),!r.firstPerson&&o.startPivot()&&o.showPivot()))));p.length<n.length;)p.push(Z.vec2());for(var u=0,c=n.length;u<c;++u)tA(n[u],p[u]);d=n.length}}),A.addEventListener("touchmove",this._canvasTouchMoveHandler=function(e){if(r.active&&r.pointerEnabled&&(e.stopPropagation(),e.preventDefault(),!v)){v=!0;var n=t.canvas.boundary,o=n[2],l=n[3],A=e.touches;if(e.touches.length===d){if(1===d){tA(A[0],u),Z.subVec2(u,p[0],f);var h=f[0],I=f[1];if(null!==i.longTouchTimeout&&(Math.abs(h)>r.longTapRadius||Math.abs(I)>r.longTapRadius)&&(clearTimeout(i.longTouchTimeout),i.longTouchTimeout=null),r.planView){var y=t.camera;if("perspective"===y.projection){var m=Math.abs(t.camera.eyeLookDist)*Math.tan(y.perspective.fov/2*Math.PI/180);a.panDeltaX+=h*m/l*r.touchPanRate,a.panDeltaY+=I*m/l*r.touchPanRate}else a.panDeltaX+=.5*y.ortho.scale*(h/l)*r.touchPanRate,a.panDeltaY+=.5*y.ortho.scale*(I/l)*r.touchPanRate}else a.rotateDeltaY-=h/o*(1*r.dragRotationRate),a.rotateDeltaX+=I/l*(1.5*r.dragRotationRate)}else if(2===d){var w=A[0],g=A[1];tA(w,u),tA(g,c);var T=Z.geometricMeanVec2(p[0],p[1]),E=Z.geometricMeanVec2(u,c),b=Z.vec2();Z.subVec2(T,E,b);var D=b[0],P=b[1],R=t.camera,C=Z.distVec2([w.pageX,w.pageY],[g.pageX,g.pageY]),_=(Z.distVec2(p[0],p[1])-C)*r.touchDollyRate;if(a.dollyDelta=_,Math.abs(_)<1)if("perspective"===R.projection){var B=s.pickResult?s.pickResult.worldPos:t.center,O=Math.abs(Z.lenVec3(Z.subVec3(B,t.camera.eye,[])))*Math.tan(R.perspective.fov/2*Math.PI/180);a.panDeltaX-=D*O/l*r.touchPanRate,a.panDeltaY-=P*O/l*r.touchPanRate}else a.panDeltaX-=.5*R.ortho.scale*(D/l)*r.touchPanRate,a.panDeltaY-=.5*R.ortho.scale*(P/l)*r.touchPanRate;i.pointerCanvasPos=E}for(var S=0;S<d;++S)tA(A[S],p[S])}}})}return P(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchmove",this._canvasTouchMoveHandler),this._scene.off(this._onTick)}}]),e}(),rA=function(e,t){if(e){for(var n=e.target,r=0,i=0;n.offsetParent;)r+=n.offsetLeft,i+=n.offsetTop,n=n.offsetParent;t[0]=e.pageX-r,t[1]=e.pageY-i}else e=window.event,t[0]=e.x,t[1]=e.y;return t},iA=function(){function e(t,n,r,i,a){b(this,e),this._scene=t;var s,o=n.pickController,l=n.cameraControl,u=[],c=new Float32Array(2),f=-1,p=-1,A=this._scene.canvas.canvas,d=function(e){var r;e&&e.worldPos&&(r=e.worldPos);var i=e?e.entity.aabb:t.aabb;if(r){var a=t.camera;Z.subVec3(a.eye,a.look,[]),n.cameraFlight.flyTo({aabb:i})}else n.cameraFlight.flyTo({aabb:i})};A.addEventListener("touchstart",this._canvasTouchStartHandler=function(e){if(r.active&&r.pointerEnabled){null!==i.longTouchTimeout&&(clearTimeout(i.longTouchTimeout),i.longTouchTimeout=null);var t=e.touches,a=e.changedTouches;if(s=Date.now(),1===t.length&&1===a.length){f=s,rA(t[0],c);var o=c[0],l=c[1],p=t[0].pageX,A=t[0].pageY;i.longTouchTimeout=setTimeout((function(){n.cameraControl.fire("rightClick",{pagePos:[Math.round(p),Math.round(A)],canvasPos:[Math.round(o),Math.round(l)],event:e},!0),i.longTouchTimeout=null}),r.longTapTimeout)}else f=-1;for(;u.length<t.length;)u.push(new Float32Array(2));for(var d=0,v=t.length;d<v;++d)rA(t[d],u[d]);u.length=t.length}},{passive:!0}),A.addEventListener("touchend",this._canvasTouchEndHandler=function(e){if(r.active&&r.pointerEnabled){var t=Date.now(),n=e.touches,a=e.changedTouches,s=l.hasSubs("pickedSurface");null!==i.longTouchTimeout&&(clearTimeout(i.longTouchTimeout),i.longTouchTimeout=null),0===n.length&&1===a.length&&f>-1&&t-f<150&&(p>-1&&f-p<325?(rA(a[0],o.pickCursorPos),o.schedulePickEntity=!0,o.schedulePickSurface=s,o.update(),o.pickResult?(o.pickResult.touchInput=!0,l.fire("doublePicked",o.pickResult),o.pickedSurface&&l.fire("doublePickedSurface",o.pickResult),r.doublePickFlyTo&&d(o.pickResult)):(l.fire("doublePickedNothing"),r.doublePickFlyTo&&d()),p=-1):Z.distVec2(u[0],c)<4&&(rA(a[0],o.pickCursorPos),o.schedulePickEntity=!0,o.schedulePickSurface=s,o.update(),o.pickResult?(o.pickResult.touchInput=!0,l.fire("picked",o.pickResult),o.pickedSurface&&l.fire("pickedSurface",o.pickResult)):l.fire("pickedNothing"),p=t),f=-1),u.length=n.length;for(var A=0,v=n.length;A<v;++A)u[A][0]=n[A].pageX,u[A][1]=n[A].pageY}},{passive:!0})}return P(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler)}}]),e}(),aA=function(e){I(n,ve);var t=m(n);function n(e){var r,i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};b(this,n),(r=t.call(this,e,i)).PAN_LEFT=0,r.PAN_RIGHT=1,r.PAN_UP=2,r.PAN_DOWN=3,r.PAN_FORWARDS=4,r.PAN_BACKWARDS=5,r.ROTATE_X_POS=6,r.ROTATE_X_NEG=7,r.ROTATE_Y_POS=8,r.ROTATE_Y_NEG=9,r.DOLLY_FORWARDS=10,r.DOLLY_BACKWARDS=11,r.AXIS_VIEW_RIGHT=12,r.AXIS_VIEW_BACK=13,r.AXIS_VIEW_LEFT=14,r.AXIS_VIEW_FRONT=15,r.AXIS_VIEW_TOP=16,r.AXIS_VIEW_BOTTOM=17,r._keyMap={},r.scene.canvas.canvas.oncontextmenu=function(e){e.preventDefault()},r._configs={longTapTimeout:600,longTapRadius:5,active:!0,keyboardLayout:"qwerty",navMode:"orbit",planView:!1,firstPerson:!1,followPointer:!0,doublePickFlyTo:!0,panRightClick:!0,showPivot:!1,pointerEnabled:!0,constrainVertical:!1,smartPivot:!1,doubleClickTimeFrame:250,snapMode:"vertex",snapRadius:30,dragRotationRate:360,keyboardRotationRate:90,rotationInertia:0,keyboardPanRate:1,touchPanRate:1,panInertia:.5,keyboardDollyRate:10,mouseWheelDollyRate:100,touchDollyRate:.2,dollyInertia:0,dollyProximityThreshold:30,dollyMinSpeed:.04},r._states={pointerCanvasPos:Z.vec2(),mouseover:!1,followPointerDirty:!0,mouseDownClientX:0,mouseDownClientY:0,mouseDownCursorX:0,mouseDownCursorY:0,touchStartTime:null,activeTouches:[],tapStartPos:Z.vec2(),tapStartTime:-1,lastTapTime:-1,longTouchTimeout:null},r._updates={rotateDeltaX:0,rotateDeltaY:0,panDeltaX:0,panDeltaY:0,panDeltaZ:0,dollyDelta:0};var a=r.scene;return r._controllers={cameraControl:g(r),pickController:new Up(g(r),r._configs),pivotController:new Hp(a,r._configs),panController:new Op(a),cameraFlight:new _s(g(r),{duration:.5})},r._handlers=[new $p(r.scene,r._controllers,r._configs,r._states,r._updates),new nA(r.scene,r._controllers,r._configs,r._states,r._updates),new kp(r.scene,r._controllers,r._configs,r._states,r._updates),new Yp(r.scene,r._controllers,r._configs,r._states,r._updates),new Xp(r.scene,r._controllers,r._configs,r._states,r._updates),new iA(r.scene,r._controllers,r._configs,r._states,r._updates),new qp(r.scene,r._controllers,r._configs,r._states,r._updates)],r._cameraUpdater=new Zp(r.scene,r._controllers,r._configs,r._states,r._updates),r.navMode=i.navMode,i.planView&&(r.planView=i.planView),r.constrainVertical=i.constrainVertical,i.keyboardLayout?r.keyboardLayout=i.keyboardLayout:r.keyMap=i.keyMap,r.doublePickFlyTo=i.doublePickFlyTo,r.panRightClick=i.panRightClick,r.active=i.active,r.followPointer=i.followPointer,r.rotationInertia=i.rotationInertia,r.keyboardPanRate=i.keyboardPanRate,r.touchPanRate=i.touchPanRate,r.keyboardRotationRate=i.keyboardRotationRate,r.dragRotationRate=i.dragRotationRate,r.touchDollyRate=i.touchDollyRate,r.dollyInertia=i.dollyInertia,r.dollyProximityThreshold=i.dollyProximityThreshold,r.dollyMinSpeed=i.dollyMinSpeed,r.panInertia=i.panInertia,r.pointerEnabled=!0,r.keyboardDollyRate=i.keyboardDollyRate,r.mouseWheelDollyRate=i.mouseWheelDollyRate,r}return P(n,[{key:"keyMap",get:function(){return this._keyMap},set:function(e){if(e=e||"qwerty",ae.isString(e)){var t=this.scene.input,n={};switch(e){default:this.error("Unsupported value for 'keyMap': "+e+" defaulting to 'qwerty'");case"qwerty":n[this.PAN_LEFT]=[t.KEY_A],n[this.PAN_RIGHT]=[t.KEY_D],n[this.PAN_UP]=[t.KEY_Z],n[this.PAN_DOWN]=[t.KEY_X],n[this.PAN_BACKWARDS]=[],n[this.PAN_FORWARDS]=[],n[this.DOLLY_FORWARDS]=[t.KEY_W,t.KEY_ADD],n[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],n[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],n[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],n[this.ROTATE_Y_POS]=[t.KEY_Q,t.KEY_LEFT_ARROW],n[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],n[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],n[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],n[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],n[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],n[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],n[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6];break;case"azerty":n[this.PAN_LEFT]=[t.KEY_Q],n[this.PAN_RIGHT]=[t.KEY_D],n[this.PAN_UP]=[t.KEY_W],n[this.PAN_DOWN]=[t.KEY_X],n[this.PAN_BACKWARDS]=[],n[this.PAN_FORWARDS]=[],n[this.DOLLY_FORWARDS]=[t.KEY_Z,t.KEY_ADD],n[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],n[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],n[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],n[this.ROTATE_Y_POS]=[t.KEY_A,t.KEY_LEFT_ARROW],n[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],n[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],n[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],n[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],n[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],n[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],n[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6]}this._keyMap=n}else{var r=e;this._keyMap=r}}},{key:"_isKeyDownForAction",value:function(e,t){var n=this._keyMap[e];if(!n)return!1;t||(t=this.scene.input.keyDown);for(var r=0,i=n.length;r<i;r++){if(t[n[r]])return!0}return!1}},{key:"pivotElement",set:function(e){this._controllers.pivotController.setPivotElement(e)}},{key:"active",get:function(){return this._configs.active},set:function(e){this._configs.active=!1!==e}},{key:"snapMode",get:function(){return this._configs.snapMode},set:function(e){"vertex"!==(e=e||"vertex")&&"edge"!==e&&(this.error("Unsupported value for snapMode: "+e+" - supported values are 'vertex' and 'edge' - defaulting to 'vertex'"),e="vertex"),this._configs.snapMode=e}},{key:"snapRadius",get:function(){return this._configs.snapRadius},set:function(e){e=e||30,this._configs.snapRadius=e}},{key:"navMode",get:function(){return this._configs.navMode},set:function(e){"firstPerson"!==(e=e||"orbit")&&"orbit"!==e&&"planView"!==e&&(this.error("Unsupported value for navMode: "+e+" - supported values are 'orbit', 'firstPerson' and 'planView' - defaulting to 'orbit'"),e="orbit"),this._configs.firstPerson="firstPerson"===e,this._configs.planView="planView"===e,(this._configs.firstPerson||this._configs.planView)&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this._configs.navMode=e}},{key:"pointerEnabled",get:function(){return this._configs.pointerEnabled},set:function(e){this._reset(),this._configs.pointerEnabled=!!e}},{key:"_reset",value:function(){for(var e=0,t=this._handlers.length;e<t;e++){var n=this._handlers[e];n.reset&&n.reset()}this._updates.panDeltaX=0,this._updates.panDeltaY=0,this._updates.rotateDeltaX=0,this._updates.rotateDeltaY=0,this._updates.dolyDelta=0}},{key:"followPointer",get:function(){return this._configs.followPointer},set:function(e){this._configs.followPointer=!1!==e}},{key:"pivotPos",get:function(){return this._controllers.pivotController.getPivotPos()},set:function(e){this._controllers.pivotController.setPivotPos(e)}},{key:"dollyToPointer",get:function(){return this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer},set:function(e){this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer=e}},{key:"panToPointer",get:function(){return this.warn("panToPointer property is deprecated - replaced with followPointer"),!1},set:function(e){this.warn("panToPointer property is deprecated - replaced with followPointer")}},{key:"planView",get:function(){return this.warn("planView property is deprecated - replaced with navMode"),this._configs.planView},set:function(e){this._configs.planView=!!e,this._configs.firstPerson=!1,this._configs.planView&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this.warn("planView property is deprecated - replaced with navMode")}},{key:"firstPerson",get:function(){return this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson},set:function(e){this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson=!!e,this._configs.planView=!1,this._configs.firstPerson&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot())}},{key:"constrainVertical",get:function(){return this._configs.constrainVertical},set:function(e){this._configs.constrainVertical=!!e}},{key:"doublePickFlyTo",get:function(){return this._configs.doublePickFlyTo},set:function(e){this._configs.doublePickFlyTo=!1!==e}},{key:"panRightClick",get:function(){return this._configs.panRightClick},set:function(e){this._configs.panRightClick=!1!==e}},{key:"rotationInertia",get:function(){return this._configs.rotationInertia},set:function(e){this._configs.rotationInertia=null!=e?e:0}},{key:"keyboardPanRate",get:function(){return this._configs.keyboardPanRate},set:function(e){this._configs.keyboardPanRate=null!=e?e:5}},{key:"touchPanRate",get:function(){return this._configs.touchPanRate},set:function(e){this._configs.touchPanRate=null!=e?e:1}},{key:"keyboardRotationRate",get:function(){return this._configs.keyboardRotationRate},set:function(e){this._configs.keyboardRotationRate=null!=e?e:90}},{key:"dragRotationRate",get:function(){return this._configs.dragRotationRate},set:function(e){this._configs.dragRotationRate=null!=e?e:360}},{key:"keyboardDollyRate",get:function(){return this._configs.keyboardDollyRate},set:function(e){this._configs.keyboardDollyRate=null!=e?e:15}},{key:"touchDollyRate",get:function(){return this._configs.touchDollyRate},set:function(e){this._configs.touchDollyRate=null!=e?e:.2}},{key:"mouseWheelDollyRate",get:function(){return this._configs.mouseWheelDollyRate},set:function(e){this._configs.mouseWheelDollyRate=null!=e?e:100}},{key:"dollyInertia",get:function(){return this._configs.dollyInertia},set:function(e){this._configs.dollyInertia=null!=e?e:0}},{key:"dollyProximityThreshold",get:function(){return this._configs.dollyProximityThreshold},set:function(e){this._configs.dollyProximityThreshold=null!=e?e:35}},{key:"dollyMinSpeed",get:function(){return this._configs.dollyMinSpeed},set:function(e){this._configs.dollyMinSpeed=null!=e?e:.04}},{key:"panInertia",get:function(){return this._configs.panInertia},set:function(e){this._configs.panInertia=null!=e?e:.5}},{key:"keyboardLayout",get:function(){return this._configs.keyboardLayout},set:function(e){"qwerty"!==(e=e||"qwerty")&&"azerty"!==e&&(this.error("Unsupported value for keyboardLayout - defaulting to 'qwerty'"),e="qwerty"),this._configs.keyboardLayout=e,this.keyMap=this._configs.keyboardLayout}},{key:"smartPivot",get:function(){return this._configs.smartPivot},set:function(e){this._configs.smartPivot=!1!==e}},{key:"doubleClickTimeFrame",get:function(){return this._configs.doubleClickTimeFrame},set:function(e){this._configs.doubleClickTimeFrame=null!=e?e:250}},{key:"destroy",value:function(){this._destroyHandlers(),this._destroyControllers(),this._cameraUpdater.destroy(),v(T(n.prototype),"destroy",this).call(this)}},{key:"_destroyHandlers",value:function(){for(var e=0,t=this._handlers.length;e<t;e++){var n=this._handlers[e];n.destroy&&n.destroy()}}},{key:"_destroyControllers",value:function(){for(var e=0,t=this._controllers.length;e<t;e++){var n=this._controllers[e];n.destroy&&n.destroy()}}}]),n}(),sA=P((function e(t,n,r,i,a){b(this,e),this.name=t,this.type=r,this.value=n,this.valueType=i,this.description=a})),oA=P((function e(t){if(b(this,e),this.id=t.id,this.originalSystemId=t.originalSystemId,this.metaModels=[],this.name=t.name,this.type=t.type,this.properties=[],t.properties)for(var n=t.properties,r=0,i=n.length;r<i;r++){var a=n[r];this.properties.push(new sA(a.name,a.value,a.type,a.valueType,a.description))}})),lA=function(){function e(t){b(this,e),this.metaModel=null,this.metaModels=[],this.id=t.id,this.parentId=t.parentId,this.parent=null,this.originalSystemId=t.originalSystemId,this.name=t.name,this.type=t.type,this.propertySetIds=t.propertySetIds,this.propertySets=[],this.attributes=t.attributes||{}}return P(e,[{key:"getObjectIDsInSubtree",value:function(){var e=[];return function t(n){if(n){e.push(n.id);var r=n.children;if(r)for(var i=0,a=r.length;i<a;i++)t(r[i])}}(this),e}},{key:"withMetaObjectsInSubtree",value:function(e){!function t(n){if(n){e(n);var r=n.children;if(r)for(var i=0,a=r.length;i<a;i++)t(r[i])}}(this)}},{key:"getObjectIDsInSubtreeByType",value:function(e){for(var t={},n=0,r=e.length;n<r;n++)t[e[n]]=e[n];var i=[];return function e(n){if(n){t[n.type]&&i.push(n.id);var r=n.children;if(r)for(var a=0,s=r.length;a<s;a++)e(r[a])}}(this),i}},{key:"getJSON",value:function(){var e={id:this.id,type:this.type,name:this.name};return this.parent&&(e.parent=this.parent.id),e}}]),e}(),uA=function(){function e(t){b(this,e),this.id=t.id,this.projectId=t.projectId,this.revisionId=t.revisionId,this.author=t.author,this.createdAt=t.createdAt,this.creatingApplication=t.creatingApplication,this.schema=t.schema,this.metaScene=t.metaScene,this.propertySets=[],this.rootMetaObject=null,this.rootMetaObjects=[],this.metaObjects=[],this.graph=t.graph||{},this.metaScene.metaModels[this.id]=this,this.finalized=!1}return P(e,[{key:"loadData",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(this.finalized)throw"MetaScene already finalized - can't add more data";this._globalizeIDs(e,t);var n=this.metaScene;if(e.propertySets)for(var r=0,i=e.propertySets.length;r<i;r++){var a=e.propertySets[r],s=n.propertySets[a.id];s||(s=new oA({id:a.id,originalSystemId:a.originalSystemId||a.id,type:a.type,name:a.name,properties:a.properties}),n.propertySets[s.id]=s),s.metaModels.push(this),this.propertySets.push(s)}if(e.metaObjects)for(var o=0,l=e.metaObjects.length;o<l;o++){var u=e.metaObjects[o],c=u.id,f=n.metaObjects[c];if(!f){var p=u.type,A=u.originalSystemId,d=u.propertySets||u.propertySetIds;f=new lA({id:c,originalSystemId:A,parentId:u.parent,type:p,name:u.name,attributes:u.attributes,propertySetIds:d}),this.metaScene.metaObjects[c]=f}f.metaModels.push(this),u.parent||(this.rootMetaObjects.push(f),n.rootMetaObjects[c]=f),this.metaObjects.push(f)}}},{key:"finalize",value:function(){if(this.finalized)throw"MetaScene already finalized - can't re-finalize";var e=this.metaScene;for(var t in e.metaObjects){var n=e.metaObjects[t];if(n.children&&(n.children=[]),n.propertySets&&(n.propertySets=[]),n.propertySetIds)for(var r=0,i=n.propertySetIds.length;r<i;r++){var a=n.propertySetIds[r],s=e.propertySets[a];n.propertySets.push(s)}}for(var o in e.metaObjects){var l=e.metaObjects[o];if(l.parentId){var u=e.metaObjects[l.parentId];u&&(l.parent=u,(u.children||(u.children=[])).push(l))}}for(var c in e.metaObjectsByType={},e.metaObjects){var f=e.metaObjects[c],p=f.type;(e.metaObjectsByType[p]||(e.metaObjectsByType[p]={}))[c]=f}this.finalized=!0,this.metaScene.fire("metaModelCreated",this.id)}},{key:"getJSON",value:function(){var e=[];return function t(n){var r={id:n.id,extId:n.extId,type:n.type,name:n.name};n.parent&&(r.parent=n.parent.id),e.push(r);var i=n.children;if(i)for(var a=0,s=i.length;a<s;a++)t(i[a])}(this.rootMetaObject),{id:this.id,projectId:this.projectId,revisionId:this.revisionId,metaObjects:e}}},{key:"_globalizeIDs",value:function(e,t){var n=!!t.globalizeObjectIds;if(e.metaObjects)for(var r=0,i=e.metaObjects.length;r<i;r++){var a=e.metaObjects[r];if(a.originalSystemId=a.id,a.originalParentSystemId=a.parent,n&&(a.id=Z.globalizeObjectId(this.id,a.id),a.parent=Z.globalizeObjectId(this.id,a.parent)),n){var s=a.propertySetIds;if(s){for(var o=[],l=0,u=s.length;l<u;l++)o.push(Z.globalizeObjectId(this.id,s[l]));a.propertySetIds=o,a.originalSystemPropertySetIds=s}}else a.originalSystemPropertySetIds=a.propertySetIds}if(e.propertySets)for(var c=0,f=e.propertySets.length;c<f;c++){var p=e.propertySets[c];p.originalSystemId=p.id,n&&(p.id=Z.globalizeObjectId(mothis.id,p.id))}}}]),e}(),cA=function(){function e(t,n){b(this,e),this.viewer=t,this.scene=n,this.metaModels={},this.propertySets={},this.metaObjects={},this.metaObjectsByType={},this.rootMetaObjects={},this._eventSubs={}}return P(e,[{key:"on",value:function(e,t){var n=this._eventSubs[e];n||(n=[],this._eventSubs[e]=n),n.push(t)}},{key:"fire",value:function(e,t){var n=this._eventSubs[e];if(n)for(var r=0,i=n.length;r<i;r++)n[r](t)}},{key:"off",value:function(e){}},{key:"createMetaModel",value:function(e,t){var n=new uA({metaScene:this,id:e,projectId:t.projectId||"none",revisionId:t.revisionId||"none",author:t.author||"none",createdAt:t.createdAt||"none",creatingApplication:t.creatingApplication||"none",schema:t.schema||"none",propertySets:[]});return n.loadData(t),n.finalize(),n}},{key:"destroyMetaModel",value:function(e){var t=this.metaModels[e];if(t){if(t.propertySets)for(var n=0,r=t.propertySets.length;n<r;n++){var i=t.propertySets[n];if(1===i.metaModels.length)delete this.propertySets[i.id];else{for(var a=[],s=0,o=i.metaModels.length;s<o;s++)i.metaModels[s].id!==e&&a.push(i.metaModels[s]);i.metaModels=a}}if(t.metaObjects)for(var l=0,u=t.metaObjects.length;l<u;l++){var c=t.metaObjects[l];c.type;var f=c.id;if(1===c.metaModels.length)delete this.metaObjects[f],c.parent||delete this.rootMetaObjects[f];else{for(var p=[],A=t.id,d=0,v=c.metaModels.length;d<v;d++)c.metaModels[d].id!==A&&p.push(c.metaModels[d]);c.metaModels=p}}for(var h in this.metaObjects){var I=this.metaObjects[h];if(I.children&&(I.children=[]),I.propertySets&&(I.propertySets=[]),I.propertySetIds)for(var y=0,m=I.propertySetIds.length;y<m;y++){var w=I.propertySetIds[y],g=this.propertySets[w];I.propertySets.push(g)}}for(var T in this.metaObjectsByType={},this.metaObjects){var E=this.metaObjects[T],b=E.type;E.children&&(E.children=null),(this.metaObjectsByType[b]||(this.metaObjectsByType[b]={}))[T]=E}for(var D in this.metaObjects){var P=this.metaObjects[D];if(P.parentId){var R=this.metaObjects[P.parentId];R&&(P.parent=R,(R.children||(R.children=[])).push(P))}}delete this.metaModels[e],this.fire("metaModelDestroyed",e)}}},{key:"getObjectIDsByType",value:function(e){var t=this.metaObjectsByType[e];return t?Object.keys(t):[]}},{key:"getObjectIDsInSubtree",value:function(e,t,n){var r=[],i=this.metaObjects[e],a=t&&t.length>0?fA(t):null,s=n&&n.length>0?fA(n):null;return function e(t){if(t){var n=!0;(s&&s[t.type]||a&&!a[t.type])&&(n=!1),n&&r.push(t.id);var i=t.children;if(i)for(var o=0,l=i.length;o<l;o++)e(i[o])}}(i),r}},{key:"withMetaObjectsInSubtree",value:function(e,t){var n=this.metaObjects[e];n&&n.withMetaObjectsInSubtree(t)}}]),e}();function fA(e){for(var t={},n=0,r=e.length;n<r;n++)t[e[n]]=!0;return t}
 /*!
  * html2canvas 1.4.1 <https://html2canvas.hertzen.com>
  * Copyright (c) 2022 Niklas von Hertzen <https://hertzen.com>