mirror of
https://github.com/muskit/H3VR-TNH-Quality-of-Life-Improvements.git
synced 2026-06-03 04:34:26 -07:00
msk
114 lines
3.6 KiB
HLSL
Vendored
114 lines
3.6 KiB
HLSL
Vendored
// Alloy Physical Shader Framework
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// Copyright 2013-2017 RUST LLC.
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// http://www.alloy.rustltd.com/
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/////////////////////////////////////////////////////////////////////////////////
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/// @file VertexBlend.cginc
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/// @brief 3-4 splat blending with vertex color weights.
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/////////////////////////////////////////////////////////////////////////////////
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#ifndef ALLOY_SHADERS_FEATURE_VERTEX_BLEND_CGINC
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#define ALLOY_SHADERS_FEATURE_VERTEX_BLEND_CGINC
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#if !defined(A_ALPHA_SPLAT_ON) && defined(_SPECGLOSSMAP)
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#define A_ALPHA_SPLAT_ON
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#endif
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#ifdef A_VERTEX_BLEND_ON
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#ifndef A_VERTEX_COLOR_IS_DATA
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#define A_VERTEX_COLOR_IS_DATA
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#endif
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#ifndef A_METALLIC_ON
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#define A_METALLIC_ON
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#endif
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#ifndef A_SPECULAR_TINT_ON
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#define A_SPECULAR_TINT_ON
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#endif
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#if !defined(A_AMBIENT_OCCLUSION_ON) && !defined(A_ROUGHNESS_SOURCE_BASE_COLOR_ALPHA)
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#define A_AMBIENT_OCCLUSION_ON
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#endif
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#endif
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#include "Assets/Alloy/Shaders/Framework/Feature.cginc"
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#ifdef A_VERTEX_BLEND_ON
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half _TriplanarBlendSharpness;
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half4 _Splat0Tint;
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A_SAMPLER_2D(_Splat0);
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sampler2D _MaterialMap0;
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sampler2D _Normal0;
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half _Metallic0;
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half _SplatSpecularity0;
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half _SplatSpecularTint0;
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half _SplatRoughness0;
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half _SplatOcclusion0;
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half _SplatBumpScale0;
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half4 _Splat1Tint;
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A_SAMPLER_2D(_Splat1);
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sampler2D _MaterialMap1;
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sampler2D _Normal1;
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half _Metallic1;
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half _SplatSpecularity1;
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half _SplatSpecularTint1;
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half _SplatRoughness1;
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half _SplatOcclusion1;
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half _SplatBumpScale1;
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half4 _Splat2Tint;
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A_SAMPLER_2D(_Splat2);
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sampler2D _MaterialMap2;
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sampler2D _Normal2;
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half _Metallic2;
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half _SplatSpecularity2;
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half _SplatSpecularTint2;
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half _SplatRoughness2;
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half _SplatOcclusion2;
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half _SplatBumpScale2;
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#ifdef A_ALPHA_SPLAT_ON
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half4 _Splat3Tint;
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A_SAMPLER_2D(_Splat3);
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sampler2D _MaterialMap3;
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sampler2D _Normal3;
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half _Metallic3;
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half _SplatSpecularity3;
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half _SplatSpecularTint3;
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half _SplatRoughness3;
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half _SplatOcclusion3;
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half _SplatBumpScale3;
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#endif
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#endif
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void aVertexBlend(
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inout ASurface s)
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{
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#ifdef A_VERTEX_BLEND_ON
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ASplatContext sc = aNewSplatContext(s, _TriplanarBlendSharpness, 1.0f);
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ASplat sp0 = aNewSplat(sc, A_SAMPLER_2D_INPUT(_Splat0), _MaterialMap0, _Normal0, _Splat0Tint, 0.0h, _Metallic0, _SplatSpecularity0, _SplatSpecularTint0, _SplatRoughness0, _SplatOcclusion0, _SplatBumpScale0);
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ASplat sp1 = aNewSplat(sc, A_SAMPLER_2D_INPUT(_Splat1), _MaterialMap1, _Normal1, _Splat1Tint, 0.0h, _Metallic1, _SplatSpecularity1, _SplatSpecularTint1, _SplatRoughness1, _SplatOcclusion1, _SplatBumpScale1);
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ASplat sp2 = aNewSplat(sc, A_SAMPLER_2D_INPUT(_Splat2), _MaterialMap2, _Normal2, _Splat2Tint, 0.0h, _Metallic2, _SplatSpecularity2, _SplatSpecularTint2, _SplatRoughness2, _SplatOcclusion2, _SplatBumpScale2);
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#ifdef A_ALPHA_SPLAT_ON
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half4 splatControl = s.vertexColor;
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ASplat sp3 = aNewSplat(sc, A_SAMPLER_2D_INPUT(_Splat3), _MaterialMap3, _Normal3, _Splat3Tint, 0.0h, _Metallic3, _SplatSpecularity3, _SplatSpecularTint3, _SplatRoughness3, _SplatOcclusion3, _SplatBumpScale3);
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splatControl /= (dot(splatControl, A_ONE4) + A_EPSILON);
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aApplyTerrainSplats(s, splatControl, sp0, sp1, sp2, sp3);
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#else
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half3 splatControl = s.vertexColor.xyz;
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splatControl /= (dot(splatControl, A_ONE) + A_EPSILON);
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aApplyTerrainSplats(s, splatControl, sp0, sp1, sp2);
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#endif
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aCutout(s);
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#endif
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}
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#endif // ALLOY_SHADERS_FEATURE_VERTEX_BLEND_CGINC
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