Cp/lavanode

bin/resources/realisticWater/shaders/Water_ps.glsl

@@ -0,0 +1,96 @@
+/*
+ * Copyright (c) 2013, elvman
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY elvman ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL elvman BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+const float LOG2 = 1.442695;
+
+uniform vec3		CameraPosition;  // Position of main position
+uniform float		WaveHeight;
+
+uniform vec4		WaterColor;
+uniform float		ColorBlendFactor;
+
+uniform sampler2D	WaterBump; //coverage
+uniform sampler2D	RefractionMap; //coverage
+uniform sampler2D	ReflectionMap; //coverage
+
+uniform bool		FogEnabled;
+uniform int			FogMode;
+
+varying vec2 bumpMapTexCoord;
+varying vec3 refractionMapTexCoord;
+varying vec3 reflectionMapTexCoord;
+varying vec3 position3D;
+
+void main()
+{
+	//bump color
+	vec4 bumpColor = texture2D(WaterBump, bumpMapTexCoord);
+	vec2 perturbation = WaveHeight * (bumpColor.rg - 0.5);
+
+	//refraction
+	vec2 ProjectedRefractionTexCoords = clamp(refractionMapTexCoord.xy / refractionMapTexCoord.z + perturbation, 0.0, 1.0);
+	//calculate final refraction color
+	vec4 refractiveColor = texture2D(RefractionMap, ProjectedRefractionTexCoords );
+
+	//reflection
+	vec2 ProjectedReflectionTexCoords = clamp(reflectionMapTexCoord.xy / reflectionMapTexCoord.z + perturbation, 0.0, 0.1);
+	//calculate final reflection color
+	vec4 reflectiveColor = texture2D(ReflectionMap, ProjectedReflectionTexCoords );
+
+	//fresnel
+	vec3 eyeVector = normalize(CameraPosition - position3D);
+	vec3 upVector = vec3(0.0, 1.0, 0.0);
+
+	//fresnel can not be lower than 0
+	float fresnelTerm = max( dot(eyeVector, upVector), 0.0 );
+
+	float fogFactor = 1.0;
+
+	if (FogEnabled)
+	{
+		float z = gl_FragCoord.z / gl_FragCoord.w;
+
+		if (FogMode == 1) //exp
+		{
+			float fogFactor = exp2(-gl_Fog.density * z * LOG2);
+			fogFactor = clamp(fogFactor, 0.0, 1.0);
+		}
+		else if (FogMode == 0) //linear
+		{
+			fogFactor = (gl_Fog.end - z) / (gl_Fog.end - gl_Fog.start);
+		}
+		else if (FogMode == 2) //exp2
+		{
+			float fogFactor = exp2(-gl_Fog.density * gl_Fog.density * z * z * LOG2);
+			fogFactor = clamp(fogFactor, 0.0, 1.0);
+		}
+	}
+
+	vec4 combinedColor = refractiveColor * fresnelTerm + reflectiveColor * (1.0 - fresnelTerm);
+
+	vec4 finalColor = ColorBlendFactor * WaterColor + (1.0 - ColorBlendFactor) * combinedColor;
+
+	gl_FragColor = mix(gl_Fog.color, finalColor, fogFactor );
+}
+

bin/resources/realisticWater/shaders/Water_ps.hlsl

@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2013, elvman
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY elvman ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL elvman BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+float3		CameraPosition;  // Position of main position
+float		WaveHeight;
+
+float4		WaterColor;
+float		ColorBlendFactor;
+
+sampler2D	WaterBump; //coverage
+sampler2D	RefractionMap; //coverage
+sampler2D	ReflectionMap; //coverage
+
+// Pixel shader output structure
+struct PS_OUTPUT
+{
+    float4 color : COLOR0;  // Pixel color    
+};
+
+struct PS_INPUT
+{
+	float4 position					: POSITION;   // vertex position
+
+	float2 bumpMapTexCoord			: TEXCOORD0;
+	float3 refractionMapTexCoord	: TEXCOORD1;
+	float3 reflectionMapTexCoord	: TEXCOORD2;
+
+	float3 position3D				: TEXCOORD3;
+};
+
+PS_OUTPUT main( PS_INPUT input )
+{ 
+	PS_OUTPUT output;
+
+	//bump color
+	float4 bumpColor = tex2D(WaterBump, input.bumpMapTexCoord);
+	float2 perturbation = WaveHeight * (bumpColor.rg - 0.5);
+
+	//refraction
+	float2 ProjectedRefractionTexCoords = saturate(input.refractionMapTexCoord.xy / input.refractionMapTexCoord.z + perturbation);
+	//calculate final refraction color
+	float4 refractiveColor = tex2D(RefractionMap, ProjectedRefractionTexCoords );
+
+	//reflection
+	float2 ProjectedReflectionTexCoords = saturate(input.reflectionMapTexCoord.xy / input.reflectionMapTexCoord.z + perturbation);
+	//calculate final reflection color
+	float4 reflectiveColor = tex2D(ReflectionMap, ProjectedReflectionTexCoords );
+
+	//fresnel
+	float3 eyeVector = normalize(CameraPosition - input.position3D);
+	float3 upVector = float3(0.0, 1.0, 0.0);
+
+	//fresnel can not be lower than 0
+	float fresnelTerm = max( dot(eyeVector, upVector), 0.0 );
+
+	float4 combinedColor = refractiveColor * fresnelTerm + reflectiveColor * (1.0 - fresnelTerm);
+
+	output.color = ColorBlendFactor * WaterColor + (1.0 - ColorBlendFactor) * combinedColor;
+
+	return output;
+}
+

bin/resources/realisticWater/shaders/Water_vs.glsl

@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2013, elvman
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY elvman ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL elvman BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+//uniform mat4	View;
+uniform mat4	WorldViewProj;  // World * View * Projection transformation
+uniform mat4	WorldReflectionViewProj;  // World * Reflection View * Projection transformation
+
+uniform float	WaveLength;
+
+uniform float	Time;
+uniform float	WindForce;
+uniform vec2	WindDirection;
+
+// Vertex shader output structure
+varying vec2 bumpMapTexCoord;
+varying vec3 refractionMapTexCoord;
+varying vec3 reflectionMapTexCoord;
+varying vec3 position3D;
+
+void main()
+{
+	//color = gl_Color;
+
+	// transform position to clip space
+	vec4 pos = WorldViewProj * gl_Vertex;
+	gl_Position = pos;
+
+	// calculate vawe coords
+	bumpMapTexCoord = gl_MultiTexCoord0.xy / WaveLength + Time * WindForce * WindDirection;
+
+	// refraction texcoords
+	refractionMapTexCoord.x = 0.5 * (pos.w + pos.x);
+	refractionMapTexCoord.y = 0.5 * (pos.w + pos.y);
+	refractionMapTexCoord.z = pos.w;
+
+	// reflection texcoords
+	pos = WorldReflectionViewProj * gl_Vertex;
+	reflectionMapTexCoord.x = 0.5 * (pos.w + pos.x);
+	reflectionMapTexCoord.y = 0.5 * (pos.w + pos.y);
+	reflectionMapTexCoord.z = pos.w;
+
+	// position of the vertex
+	position3D = gl_Vertex.xyz;
+}

bin/resources/realisticWater/shaders/Water_vs.hlsl

@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2013, elvman
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY elvman ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL elvman BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+//float4x4	View;
+float4x4	WorldViewProj;  // World * View * Projection transformation
+float4x4	WorldReflectionViewProj;  // World * Reflection View * Projection transformation
+
+float		WaveLength;
+
+float		Time;
+float		WindForce;
+float2		WindDirection;
+
+// Vertex shader output structure
+struct VS_OUTPUT
+{
+	float4 position					: POSITION;   // vertex position
+
+	float2 bumpMapTexCoord			: TEXCOORD0;
+	float3 refractionMapTexCoord	: TEXCOORD1;
+	float3 reflectionMapTexCoord	: TEXCOORD2;
+
+	float3 position3D				: TEXCOORD3;
+};
+
+struct VS_INPUT
+{
+	float4 position		: POSITION;
+	float4 color		: COLOR0;
+	float2 texCoord0	: TEXCOORD0;
+};
+
+VS_OUTPUT main(VS_INPUT input)
+{
+	VS_OUTPUT output;
+
+	// transform position to clip space
+	float4 pos = mul(input.position, WorldViewProj);
+	output.position = pos;
+
+	// calculate vawe coords
+	output.bumpMapTexCoord = input.texCoord0 / WaveLength + Time * WindForce * WindDirection;
+
+	// refraction texcoords
+	output.refractionMapTexCoord.x = 0.5 * (pos.w + pos.x);
+	output.refractionMapTexCoord.y = 0.5 * (pos.w - pos.y);
+	output.refractionMapTexCoord.z = pos.w;
+
+	// reflection texcoords
+	pos = mul(input.position, WorldReflectionViewProj);	
+	output.reflectionMapTexCoord.x = 0.5 * (pos.w + pos.x);
+	output.reflectionMapTexCoord.y = 0.5 * (pos.w - pos.y);
+	output.reflectionMapTexCoord.z = pos.w;
+
+	// position of the vertex
+	output.position3D = input.position;
+
+	return output;
+}

src/client/CMakeLists.txt

@@ -40,9 +40,11 @@ add_executable(client
 	${CMAKE_CURRENT_LIST_DIR}/src/system/SystemUpdateKeyInput.cpp
 
 	${CMAKE_CURRENT_LIST_DIR}/include/client/misc/CBatchingMesh.hpp
+	${CMAKE_CURRENT_LIST_DIR}/include/client/misc/RealisticWater.hpp
 	${CMAKE_CURRENT_LIST_DIR}/include/client/misc/RGBtoHSV.hpp
 	${CMAKE_CURRENT_LIST_DIR}/include/client/misc/YAlignedBillboardSceneNode.hpp
 	${CMAKE_CURRENT_LIST_DIR}/src/misc/CBatchingMesh.cpp
+	${CMAKE_CURRENT_LIST_DIR}/src/misc/RealisticWater.cpp
 	${CMAKE_CURRENT_LIST_DIR}/src/misc/RGBtoHSV.cpp
 	${CMAKE_CURRENT_LIST_DIR}/src/misc/YAlignedBillboardSceneNode.cpp