Revert world-space normal change and write paint shader
• Revert previous change to compute world normal in the surf function, was unnecessary for edge wear effect • Rewrite paint shader with new library • Allow for texture scaling and tiling in decalsfeature-multiSDF
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289988cf11
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f630fb2215
@ -1,80 +1,169 @@
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Shader "ConformalDecals/Paint/Diffuse"
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{
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Properties
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{
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_Decal ("Cookie", 2D) = "gray" {}
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_BumpMap("_BumpMap", 2D) = "bump" {}
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Properties
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{
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[Header(Texture Maps)]
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_Decal("Decal Texture", 2D) = "gray" {}
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_BumpMap("Bump Map", 2D) = "bump" {}
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_EdgeWearStrength("Edge Wear Strength", Range(0,100)) = 0
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_EdgeWearOffset("Edge Wear Offset", Range(0,1)) = 0
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_Cutoff ("Alpha cutoff", Range(0,1)) = 0.5
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_Opacity("_Opacity", Range(0,1) ) = 1
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_NormalWear("_NormalWear", Range(0,100)) = 50
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}
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SubShader
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{
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Tags { "Queue" = "Geometry" }
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[Header(Effects)]
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[PerRendererData]_Opacity("_Opacity", Range(0,1) ) = 1
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[PerRendererData]_RimFalloff("_RimFalloff", Range(0.01,5) ) = 0.1
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[PerRendererData]_RimColor("_RimColor", Color) = (0,0,0,0)
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[PerRendererData]_UnderwaterFogFactor ("Underwater Fog Factor", Range(0,1)) = 0
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}
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SubShader
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{
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Tags { "Queue" = "Geometry+400" }
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ZWrite Off
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ZTest LEqual
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Offset -1, -1
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Pass
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{
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Name "FORWARD"
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Tags { "LightMode" = "ForwardBase" }
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Blend SrcAlpha OneMinusSrcAlpha
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ZWrite On
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ZTest LEqual
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Blend SrcAlpha OneMinusSrcAlpha
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CGPROGRAM
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#pragma vertex vert_forward
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#pragma fragment frag_forward
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CGPROGRAM
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#pragma multi_compile_fwdbase nolightmap nodirlightmap nodynlightmap
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sampler2D _Decal;
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sampler2D _BumpMap;
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float4 _Decal_ST;
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float4 _BumpMap_ST;
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float _EdgeWearStrength;
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float _EdgeWearOffset;
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float _Cutoff;
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float _Opacity;
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float _RimFalloff;
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float4 _RimColor;
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#define DECAL_BASE_NORMAL
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#include "UnityCG.cginc"
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#include "Lighting.cginc"
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#include "AutoLight.cginc"
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#include "LightingKSP.cginc"
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#include "DecalsCommon.cginc"
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#pragma surface surf Lambert alpha vertex:vert
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#pragma target 4.0
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void surf (DecalSurfaceInput IN, inout SurfaceOutput o)
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{
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fixed4 uv_projected = UNITY_PROJ_COORD(IN.uv_decal);
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float4x4 _ProjectionMatrix;
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float3 _DecalNormal;
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float3 _DecalBiNormal;
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sampler2D _Decal;
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sampler2D _DecalBumpMap;
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sampler2D _BumpMap;
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float _Cutoff;
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float _Opacity;
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float _NormalWear;
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// since I cant easily affect the clamping mode in KSP, do it here
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clip(uv_projected.xyz);
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clip(1-uv_projected.xyz);
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// clip backsides
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clip(dot(_DecalNormal, IN.normal));
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float2 uv_decal = TRANSFORM_TEX(uv_projected, _Decal);
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float4 color = tex2D(_Decal, uv_decal);
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// clip alpha
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clip(color.a - _Cutoff);
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float3 normal = UnpackNormal(tex2D(_BumpMap, IN.uv_base));
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half rim = 1.0 - saturate(dot (normalize(IN.viewDir), normal));
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float3 emission = (_RimColor.rgb * pow(rim, _RimFalloff)) * _RimColor.a;
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float wearFactor = 1 - normal.z;
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float wearFactorAlpha = saturate(_EdgeWearStrength * wearFactor);
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color.a *= saturate(1 + _EdgeWearOffset - saturate(_EdgeWearStrength * wearFactor));
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o.Albedo = UnderwaterFog(IN.worldPosition, color).rgb;
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o.Alpha = color.a * _Opacity;
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o.Emission = emission;
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o.Normal = normal;
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}
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struct Input
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{
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float4 decal : TEXCOORD0;
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float2 uv_BumpMap : TEXCOORD1;
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float4 position : SV_POSITION;
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float3 normal : NORMAL;
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};
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ENDCG
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}
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Pass
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{
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Name "FORWARD"
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Tags { "LightMode" = "ForwardAdd" }
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Blend One One
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void vert (inout appdata_full v, out Input o) {
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o.decal = mul (_ProjectionMatrix, v.vertex);
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o.uv_BumpMap = v.texcoord.xy;
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o.position = UnityObjectToClipPos(v.vertex);
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o.normal = v.normal;
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}
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CGPROGRAM
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#pragma vertex vert_forward
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#pragma fragment frag_forward
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void surf (Input IN, inout SurfaceOutput o)
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{
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fixed4 projUV = UNITY_PROJ_COORD(IN.decal);
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#pragma multi_compile_fwdadd nolightmap nodirlightmap nodynlightmap
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sampler2D _Decal;
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sampler2D _BumpMap;
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float4 _Decal_ST;
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float4 _BumpMap_ST;
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float _EdgeWearStrength;
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float _EdgeWearOffset;
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float _Cutoff;
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float _Opacity;
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float _RimFalloff;
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float4 _RimColor;
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#define DECAL_BASE_NORMAL
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#include "UnityCG.cginc"
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#include "Lighting.cginc"
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#include "AutoLight.cginc"
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#include "LightingKSP.cginc"
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#include "DecalsCommon.cginc"
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void surf (DecalSurfaceInput IN, inout SurfaceOutput o)
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{
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fixed4 uv_projected = UNITY_PROJ_COORD(IN.uv_decal);
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// since I cant easily affect the clamping mode in KSP, do it here
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clip(projUV.xyz);
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clip(1-projUV.xyz);
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// clip backsides
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clip(dot(_DecalNormal, IN.normal));
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// since I cant easily affect the clamping mode in KSP, do it here
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clip(uv_projected.xyz);
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clip(1-uv_projected.xyz);
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// clip backsides
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clip(dot(_DecalNormal, IN.normal));
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float2 uv_decal = TRANSFORM_TEX(uv_projected, _Decal);
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float4 color = tex2D(_Decal, uv_decal);
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// clip alpha
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clip(color.a - _Cutoff);
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float4 color = tex2D(_Decal, projUV);
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float3 normal = UnpackNormal(tex2D(_BumpMap, IN.uv_BumpMap));
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color.a *= (1 - (_NormalWear * (1 - dot(normal, fixed3(0,0,1)))));
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clip (color.a - _Cutoff);
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fixed2 normalGradient = fixed2(ddx(normal.z), ddy(normal.z));
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float3 normal = UnpackNormal(tex2D(_BumpMap, IN.uv_base));
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half rim = 1.0 - saturate(dot (normalize(IN.viewDir), normal));
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float3 emission = (_RimColor.rgb * pow(rim, _RimFalloff)) * _RimColor.a;
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float wearFactor = 1 - normal.z;
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float wearFactorAlpha = saturate(_EdgeWearStrength * wearFactor);
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o.Albedo = color.rgb;
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//o.Albedo = projUV;
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o.Normal = normal;
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o.Alpha = color.a * _Opacity;
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}
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color.a *= saturate(1 + _EdgeWearOffset - saturate(_EdgeWearStrength * wearFactor));
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o.Albedo = UnderwaterFog(IN.worldPosition, color).rgb;
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o.Alpha = color.a * _Opacity;
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o.Emission = emission;
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o.Normal = normal;
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}
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ENDCG
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}
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}
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ENDCG
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}
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// shadow casting support
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UsePass "Legacy Shaders/VertexLit/SHADOWCASTER"
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}
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}
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