mirror of
https://github.com/muskit/H3VR-TNH-Quality-of-Life-Improvements.git
synced 2026-06-03 04:34:26 -07:00
msk
75 lines
2.2 KiB
HLSL
75 lines
2.2 KiB
HLSL
// 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 Dissolve.cginc
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/// @brief Surface dissolve effects.
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/////////////////////////////////////////////////////////////////////////////////
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#ifndef ALLOY_SHADERS_FEATURE_DISSOLVE_CGINC
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#define ALLOY_SHADERS_FEATURE_DISSOLVE_CGINC
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#if !defined(A_DISSOLVE_ON) && defined(_DISSOLVE_ON)
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#define A_DISSOLVE_ON
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#endif
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#ifdef A_DISSOLVE_ON
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#ifndef A_OPACITY_MASK_ON
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#define A_OPACITY_MASK_ON
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#endif
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#ifndef A_EMISSIVE_COLOR_ON
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#define A_EMISSIVE_COLOR_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_DISSOLVE_ON
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/// Dissolve glow tint color.
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/// Expects a linear HDR color with alpha.
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half4 _DissolveGlowColor;
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/// Dissolve glow color with effect ramp in the alpha.
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/// Expects an RGBA map with sRGB sampling.
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A_SAMPLER_2D(_DissolveTex);
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/// The cutoff value for the dissolve effect in the ramp map.
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/// Expects values in the range [0,1].
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half _DissolveCutoff;
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#ifndef A_DISSOLVE_GLOW_OFF
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/// The weight of the dissolve glow effect.
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/// Expects linear space value in the range [0,1].
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half _DissolveGlowWeight;
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/// The width of the dissolve glow effect.
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/// Expects values in the range [0,1].
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half _DissolveEdgeWidth;
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#endif
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#endif
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void aDissolve(
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inout ASurface s)
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{
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#ifdef A_DISSOLVE_ON
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float2 dissolveUv = A_TEX_TRANSFORM_UV(s, _DissolveTex);
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half4 dissolveBase = _DissolveGlowColor * tex2D(_DissolveTex, dissolveUv);
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half dissolveCutoff = s.mask * _DissolveCutoff;
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half clipval = dissolveBase.a * 0.99h - dissolveCutoff;
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clip(clipval); // NOTE: Eliminates need for blend edge.
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#ifndef A_DISSOLVE_GLOW_OFF
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// Dissolve glow
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half3 glow = s.emissiveColor + dissolveBase.rgb * _DissolveGlowWeight;
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glow = clipval >= _DissolveEdgeWidth ? s.emissiveColor : glow; // Outer edge.
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s.emissiveColor = dissolveCutoff < A_EPSILON ? s.emissiveColor : glow; // Kill when cutoff is zero.
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#endif
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#endif
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}
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#endif // ALLOY_SHADERS_FEATURE_DISSOLVE_CGINC
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