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41 lines
1.2 KiB
HLSL
41 lines
1.2 KiB
HLSL
float4 _DecalColor;
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float _Weight;
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float4 _OutlineColor;
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float _OutlineWidth;
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void surf(DecalSurfaceInput IN, inout SurfaceOutput o) {
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float4 color = _DecalColor;
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float bias = _Cutoff - (_Weight / 4);
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#ifdef DECAL_OUTLINE
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bias -= _OutlineWidth * 0.25;
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#endif
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float dist = bias - tex2D(_Decal, IN.uv_decal).r;
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float ddist = SDFdDist(dist);
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#ifdef DECAL_OUTLINE
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float outlineDist = (_OutlineWidth * 0.5) + dist;
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float outline = SDFAA(outlineDist, -ddist);
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color = lerp(color, _OutlineColor, outline);
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#endif
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o.Albedo = UnderwaterFog(IN.worldPosition, color).rgb;
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o.Alpha = _DecalOpacity * SDFAA(dist, ddist);
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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_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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} |