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Assets/Alloy/Legacy/Shaders/Definition/EyeOcclusion.cginc

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+// Alloy Physical Shader Framework
+// Copyright 2013-2017 RUST LLC.
+// http://www.alloy.rustltd.com/
+
+/////////////////////////////////////////////////////////////////////////////////
+/// @file EyeOcclusion.cginc
+/// @brief Eye Occlusion surface shader definition.
+/////////////////////////////////////////////////////////////////////////////////
+
+#ifndef ALLOY_LEGACY_SHADERS_DEFINITION_EYE_OCCLUSION_CGINC
+#define ALLOY_LEGACY_SHADERS_DEFINITION_EYE_OCCLUSION_CGINC
+
+#define A_AMBIENT_OCCLUSION_ON
+#define A_EXPANDED_MATERIAL_MAPS
+
+#include "Assets/Alloy/Shaders/Framework/Lighting.cginc"
+#include "Assets/Alloy/Shaders/Type/Standard.cginc"
+
+void aPreLighting(
+    inout ASurface s)
+{
+    aStandardPreLighting(s);
+    s.opacity *= 1.0h - s.specularOcclusion;
+}
+
+half3 aDirectLighting(
+    ADirect d,
+    ASurface s)
+{
+    return d.color * (d.shadow * d.NdotL * s.ambientOcclusion) * s.albedo;
+}
+
+half3 aIndirectLighting(
+    AIndirect i,
+    ASurface s)
+{
+    return i.diffuse * s.ambientOcclusion * s.albedo;
+}
+
+void aSurfaceShader(
+    inout ASurface s)
+{
+    aDissolve(s);
+
+    half4 base = aBase(s);
+
+    s.baseColor = base.rgb;
+    s.opacity = base.a;
+
+    s.ambientOcclusion = aLerpOneTo(tex2D(_AoMap, s.baseUv).g, _Occlusion);
+}
+
+#endif // ALLOY_LEGACY_SHADERS_DEFINITION_EYE_OCCLUSION_CGINC