Initial commit

2026-06-03 04:34:26 -07:00 · 2022-01-22 20:13:49 -08:00
parent f9d23e5bcf
commit 687473573d
878 changed files with 70957 additions and 0 deletions
@@ -0,0 +1,111 @@
+// Alloy Physical Shader Framework
+// Copyright 2013-2017 RUST LLC.
+// http://www.alloy.rustltd.com/
+
+/////////////////////////////////////////////////////////////////////////////////
+/// @file OrientedTextures.cginc
+/// @brief Secondary set of textures using world/object position XZ as their UVs.
+/////////////////////////////////////////////////////////////////////////////////
+
+#ifndef ALLOY_SHADERS_FEATURE_ORIENTED_TEXTURES_CGINC
+#define ALLOY_SHADERS_FEATURE_ORIENTED_TEXTURES_CGINC
+
+#ifdef A_ORIENTED_TEXTURES_ON
+    #ifndef A_TRIPLANAR_MAPPING_ON
+        #define A_TRIPLANAR_MAPPING_ON
+    #endif
+
+    #ifndef _TRIPLANARMODE_WORLD
+        #define _TRIPLANARMODE_WORLD
+    #endif
+
+    #ifndef A_NORMAL_WORLD_ON
+        #define A_NORMAL_WORLD_ON
+    #endif
+
+    #ifndef A_POSITION_WORLD_ON
+        #define A_POSITION_WORLD_ON
+    #endif
+
+    #ifndef A_METALLIC_ON
+        #define A_METALLIC_ON
+    #endif
+
+    #ifndef A_SPECULAR_TINT_ON
+        #define A_SPECULAR_TINT_ON
+    #endif
+
+    #if !defined(A_AMBIENT_OCCLUSION_ON) && !defined(A_ROUGHNESS_SOURCE_BASE_COLOR_ALPHA)
+        #define A_AMBIENT_OCCLUSION_ON
+    #endif
+#endif
+
+#include "Assets/Alloy/Shaders/Framework/Feature.cginc"
+
+#ifdef A_ORIENTED_TEXTURES_ON
+    /// The world-oriented tint color.
+    /// Expects a linear LDR color with alpha.
+    half4 _OrientedColor;
+    
+    /// The world-oriented color map.
+    /// Expects an RGB(A) map with sRGB sampling.
+    A_SAMPLER_2D(_OrientedMainTex);
+
+    /// The world-oriented packed material map.
+    /// Expects an RGBA data map.
+    sampler2D _OrientedMaterialMap;
+
+    /// The world-oriented normal map.
+    /// Expects a compressed normal map.
+    sampler2D _OrientedBumpMap;
+    
+    /// Toggles tinting the world-oriented color by the vertex color.
+    /// Expects values in the range [0,1].
+    half _OrientedColorVertexTint;
+
+    /// The world-oriented metallic scale.
+    /// Expects values in the range [0,1].
+    half _OrientedMetallic;
+
+    /// The world-oriented specularity scale.
+    /// Expects values in the range [0,1].
+    half _OrientedSpecularity;
+    
+    // Amount that f0 is tinted by the base color.
+    /// Expects values in the range [0,1].
+    half _OrientedSpecularTint;
+
+    /// The world-oriented roughness scale.
+    /// Expects values in the range [0,1].
+    half _OrientedRoughness;
+
+    /// Ambient Occlusion strength.
+    /// Expects values in the range [0,1].
+    half _OrientedOcclusion;
+    
+    /// Normal map XY scale.
+    half _OrientedNormalMapScale;
+#endif
+
+void aOrientedTextures(
+    inout ASurface s)
+{
+#ifdef A_ORIENTED_TEXTURES_ON
+    ASplatContext sc = aNewSplatContext(s, 1.0h, 1.0f);
+    ASplat sp = aNewSplat();
+
+    sc.blend = A_ONE;
+    aTriPlanarY(sp, sc, A_SAMPLER_2D_INPUT(_OrientedMainTex), _OrientedMaterialMap, _OrientedBumpMap, _OrientedOcclusion, _OrientedNormalMapScale);
+    aSplatMaterial(sp, sc, _OrientedColor, _OrientedColorVertexTint, _OrientedMetallic, _OrientedSpecularity, _OrientedSpecularTint, _OrientedRoughness);
+
+    #ifdef A_ORIENTED_TEXTURES_BLEND_OFF
+        aApplySplat(s, sp);
+    #elif defined(A_ORIENTED_TEXTURES_ALPHA_BLEND_OFF)
+        aBlendSplat(s, sp);
+    #else
+        aBlendSplatWithOpacity(s, sp);
+    #endif
+#endif
+}
+
+#endif // ALLOY_SHADERS_FEATURE_ORIENTED_TEXTURES_CGINC