Added HQ world

andino_isaac/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.8)
+project(andino_isaac)
+
+find_package(ament_cmake REQUIRED)
+
+install(
+  DIRECTORY
+    config
+    launch
+    tools
+    isaac_worlds
+    andino_isaac_description
+  DESTINATION
+    share/${PROJECT_NAME}/
+)
+
+ament_package()

andino_isaac/isaac_worlds/Collected_Ekumen_HQ/localhost/NVIDIA/Assets/Isaac/2022.1/Isaac/Environments/Hospital/Materials/M_Checkered.mdl

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+mdl 1.3;
+
+import ::math::*;
+import ::state::*;
+import ::tex::*;
+import ::anno::*;
+using OmniUe4Function import *;
+using OmniUe4Base import *;
+
+export annotation sampler_color();
+export annotation sampler_normal();
+export annotation sampler_grayscale();
+export annotation sampler_alpha();
+export annotation sampler_masks();
+export annotation sampler_distancefield();
+export annotation dither_masked_off();
+export annotation world_space_normal();
+
+export material M_Checkered(
+	float HueShiftPercentage_S_ = 1.0,
+	float B = 0.5,
+	float Fraction = 2.0,
+	float B_1 = 0.8)
+ = 
+	let {
+	float3 WorldPositionOffset_mdl = float3(0.0,0.0,0.0);
+	float2 CustomizedUV0_mdl = float2(state::texture_coordinate(0).x,1.0-state::texture_coordinate(0).y);
+
+	float2 Local0 = (CustomizedUV0_mdl * 4.0);
+	float4 Local1 = ::unpack_normal_map(tex::lookup_float4(texture_2d("./Textures/Tex_Checkered_normal.png",::tex::gamma_linear),float2(Local0.x,1.0-Local0.y),tex::wrap_repeat,tex::wrap_repeat));
+
+	float3 Normal_mdl = float3(Local1.x,Local1.y,Local1.z);
+
+	float Local2 = (HueShiftPercentage_S_ * 6.283185);
+	float Local3 = math::dot(float3(1.0,1.0,1.0), float3(1.0,1.0,1.0));
+	float Local4 = math::sqrt(Local3);
+	float3 Local5 = (float3(1.0,1.0,1.0) / Local4);
+	float4 Local6 = tex::lookup_float4(texture_2d("./Textures/Tex_Checkered_basecolor.png",::tex::gamma_linear),float2(Local0.x,1.0-Local0.y),tex::wrap_repeat,tex::wrap_repeat);
+	float3 Local7 = (float3(Local6.x,Local6.y,Local6.z) * B);
+	float Local8 = math::dot(Local7, float3(0.3,0.59,0.11));
+	float3 Local9 = math::lerp(Local7,float3(Local8,Local8,Local8),Fraction);
+	float3 Local10 = ::rotate_about_axis(float4(Local5.x,Local5.y,Local5.z,Local2),float3(0.0,0.0,0.0),Local9);
+	float3 Local11 = (Local10 + Local9);
+	float4 Local12 = tex::lookup_float4(texture_2d("./Textures/Tex_Checkered_RAM.png",::tex::gamma_linear),float2(Local0.x,1.0-Local0.y),tex::wrap_repeat,tex::wrap_repeat);
+	float Local13 = (Local12.x * B_1);
+
+	float3 EmissiveColor_mdl = float3(0.0,0.0,0.0);
+	float OpacityMask_mdl = 1.0;
+	float3 BaseColor_mdl = Local11;
+	float Metallic_mdl = Local12.z;
+	float Specular_mdl = 0.1;
+	float Roughness_mdl = Local13;
+
+	} in
+		::OmniUe4Base(
+			base_color: BaseColor_mdl,
+			metallic: Metallic_mdl,
+			roughness: Roughness_mdl,
+			specular: Specular_mdl,
+			normal: Normal_mdl,
+			opacity: OpacityMask_mdl,
+			emissive_color: EmissiveColor_mdl,
+			displacement: WorldPositionOffset_mdl,
+			two_sided: false);

andino_isaac/isaac_worlds/Collected_Ekumen_HQ/localhost/NVIDIA/Assets/Isaac/2022.1/Isaac/Environments/Hospital/Materials/OmniUe4Base.mdl

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+/***************************************************************************************************
+ * Copyright 2020 NVIDIA Corporation. 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.
+ *  * Neither the name of NVIDIA CORPORATION nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``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 THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS 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.
+ **************************************************************************************************/
+
+//* 1.0.0 - first version
+//* 1.0.1 - merge unlit template
+//* 1.0.2 - Fix EDF in the back side: the EDF contained in surface is only used for the front side and not for the back side
+//* 1.0.3 - UE4 normal mapping: Geometry normal shouldn't be changed
+//* 1.0.4 - using absolute import paths when importing standard modules
+
+mdl 1.3;
+
+import ::df::*;
+import ::state::*;
+import ::math::*;
+import ::tex::*;
+import ::anno::*;
+
+float emissive_multiplier()
+[[
+    anno::description("the multiplier to convert UE4 emissive to raw data"),
+    anno::noinline()
+]]
+{
+    return 20.0f * 128.0f;
+}
+
+float3 tangent_space_normal(
+    float3 normal = float3(0.0,0.0,1.0),
+    float3 tangent_u = state::texture_tangent_u(0),
+    float3 tangent_v = state::texture_tangent_v(0)
+)
+[[
+    anno::description("Interprets the vector in tangent space"),
+    anno::noinline()
+]]
+{
+    return math::normalize(
+        tangent_u * normal.x - /* flip_tangent_v */
+        tangent_v * normal.y +
+        state::normal() * (normal.z));
+}
+
+export material OmniUe4Base(
+   float3 base_color = float3(0.0, 0.0, 0.0),
+   float metallic = 0.0,
+   float roughness = 0.5,
+   float specular = 0.5,
+   float3 normal = float3(0.0,0.0,1.0),
+   float clearcoat_weight = 0.0,
+   float clearcoat_roughness = 0.0,
+   float3 clearcoat_normal = float3(0.0,0.0,1.0),
+   uniform bool enable_opacity = true,
+   float opacity = 1.0,
+   float3 emissive_color = float3(0.0, 0.0, 0.0),
+   float3 displacement = float3(0.0),
+   uniform bool is_tangent_space_normal = true,
+   uniform bool two_sided = false,
+   uniform bool is_unlit = false
+)
+[[
+	anno::display_name("Omni UE4 Base"),
+	anno::description("Omni UE4 Base, supports UE4 default lit and clearcoat shading model"),
+	anno::version( 1, 0, 0),
+	anno::author("NVIDIA CORPORATION"), 
+	anno::key_words(string[]("omni", "UE4", "omniverse", "lit", "clearcoat", "generic"))
+]]
+ = let {     
+   color final_base_color = math::saturate(base_color);
+   float final_metallic = math::saturate(metallic);
+   float final_roughness = math::saturate(roughness);
+   float final_specular = math::saturate(specular);
+   color final_emissive_color = math::max(emissive_color, 0.0f) * emissive_multiplier(); /*factor for converting ue4 emissive to raw value*/
+   float final_clearcoat_weight = math::saturate(clearcoat_weight);
+   float final_clearcoat_roughness = math::saturate(clearcoat_roughness);
+   float3 final_normal = math::normalize(normal);
+   float3 final_clearcoat_normal = math::normalize(clearcoat_normal);
+
+   // - compute final roughness by squaring the "roughness" parameter
+   float alpha = final_roughness * final_roughness;
+   // reduce the reflectivity at grazing angles to avoid "dark edges" for high roughness due to the layering
+   float grazing_refl = math::max((1.0 - final_roughness), 0.0);
+
+	float3 the_normal =  is_unlit ? state::normal() : 
+							(is_tangent_space_normal ? tangent_space_normal(
+                                            normal:         final_normal,
+                                            tangent_u:      state::texture_tangent_u(0),
+                                            tangent_v:      state::texture_tangent_v(0)
+                            ) : final_normal);
+
+   // for the dielectric component we layer the glossy component on top of the diffuse one,
+   // the glossy layer has no color tint
+
+   bsdf dielectric_component = df::custom_curve_layer(
+       weight: final_specular,
+       normal_reflectivity: 0.08,
+       grazing_reflectivity: grazing_refl,
+       layer: df::microfacet_ggx_smith_bsdf(roughness_u: alpha),
+       base: df::diffuse_reflection_bsdf(tint: final_base_color),
+       normal: the_normal);
+
+   // the metallic component doesn't have a diffuse component, it's only glossy
+   // base_color is applied to tint it
+   bsdf metallic_component = df::microfacet_ggx_smith_bsdf(tint: final_base_color, roughness_u: alpha);
+
+   // final BSDF is a linear blend between dielectric and metallic component
+   bsdf dielectric_metal_mix =
+       df::normalized_mix(
+           components:
+               df::bsdf_component[](
+                   df::bsdf_component(
+                       component: metallic_component,
+                       weight: final_metallic),
+                   df::bsdf_component(
+                       component: dielectric_component,
+                       weight: 1.0-final_metallic)
+               )
+       );
+
+   // clearcoat layer
+   float clearcoat_grazing_refl = math::max((1.0 - final_clearcoat_roughness), 0.0);
+   float clearcoat_alpha = final_clearcoat_roughness * final_clearcoat_roughness;
+
+   float3 the_clearcoat_normal = is_tangent_space_normal ? tangent_space_normal(
+                                            normal:         final_clearcoat_normal,
+                                            tangent_u:      state::texture_tangent_u(0),
+                                            tangent_v:      state::texture_tangent_v(0)
+                            ) : final_clearcoat_normal;
+
+
+   bsdf clearcoat =
+       df::custom_curve_layer(
+           base: df::weighted_layer(
+               layer: dielectric_metal_mix,
+               weight: 1.0,
+               normal: final_clearcoat_weight == 0.0 ? state::normal() : the_normal
+           ),
+           layer: df::microfacet_ggx_smith_bsdf(
+               roughness_u: clearcoat_alpha,
+               tint: color(1.0)
+           ),
+           normal_reflectivity: 0.04,
+           grazing_reflectivity: clearcoat_grazing_refl,
+           normal: the_clearcoat_normal,
+           weight: final_clearcoat_weight
+       );
+   bsdf surface = is_unlit ? bsdf() : clearcoat;
+} 
+in material(
+   thin_walled: two_sided, // Graphene?
+   surface: material_surface(
+       scattering: surface,
+       emission:
+            material_emission (
+                emission:  df::diffuse_edf (),
+                intensity: final_emissive_color
+                )
+       ),
+   backface: material_surface(
+       emission:
+            material_emission (
+                emission:  df::diffuse_edf (),
+                intensity: final_emissive_color
+                )
+       ),
+   geometry: material_geometry(
+       displacement: displacement,
+       normal: final_clearcoat_weight == 0.0 ? the_normal : state::normal(),
+       cutout_opacity: enable_opacity ? opacity : 1.0
+   )
+);