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38 lines
1.2 KiB
HLSL
38 lines
1.2 KiB
HLSL
void surf(DecalSurfaceInput IN, inout SurfaceOutput o) {
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float4 color = tex2D(_Decal, IN.uv_decal);
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o.Albedo = UnderwaterFog(IN.worldPosition, color).rgb;
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o.Alpha = _DecalOpacity;
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#ifdef DECAL_BASE_NORMAL
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float3 normal = IN.normal;
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float wearFactor = 1 - normal.z;
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float wearFactorAlpha = saturate(_EdgeWearStrength * wearFactor);
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o.Alpha *= saturate(1 + _EdgeWearOffset - saturate(_EdgeWearStrength * wearFactor));
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#endif
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#ifdef DECAL_BUMPMAP
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o.Normal = tex2D(_BumpMap, IN.uv_bumpmap);
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#endif
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#ifdef DECAL_SPECMAP
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float4 specular = tex2D(_SpecMap, IN.uv_specmap);
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o.Gloss = specular.r;
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o.Specular = _Shininess;
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#endif
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half rim = 1.0 - saturate(dot(normalize(IN.viewDir), o.Normal));
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o.Emission = (_RimColor.rgb * pow(rim, _RimFalloff)) * _RimColor.a;
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#ifdef DECAL_EMISSIVE
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o.Emission += tex2D(_Emissive, IN.uv_emissive).rgb * _Emissive_Color.rgb * _Emissive_Color.a;
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#endif
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float dist = BoundsDist(IN.uv, IN.vertex_normal, _DecalNormal);
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#ifdef DECAL_SDF_ALPHA
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float decalDist = _Cutoff - color.a;
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o.Alpha *= SDFAA(max(decalDist, dist));
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#else
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o.Alpha *= SDFAA(dist);
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o.Alpha *= color.a;
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#endif
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} |