58 lines
1.2 KiB
Plaintext
58 lines
1.2 KiB
Plaintext
Shader "Hidden/Gaia/PackUnityTerrain" {
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Properties {
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//The input texture
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_MainTex ("Input Texture", any) = "" {}
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}
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SubShader {
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ZTest Always Cull Off ZWrite Off
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CGINCLUDE
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#include "UnityCG.cginc"
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#include "TerrainTool.cginc"
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sampler2D _MainTex;
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float4 _MainTex_TexelSize; // 1/width, 1/height, width, height
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struct appdata_t {
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float4 vertex : POSITION;
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float2 pcUV : TEXCOORD0;
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};
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struct v2f {
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float4 vertex : SV_POSITION;
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float2 pcUV : TEXCOORD0;
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};
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v2f vert(appdata_t v)
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{
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v2f o;
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o.vertex = UnityObjectToClipPos(v.vertex);
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o.pcUV = v.pcUV;
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return o;
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}
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ENDCG
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Pass
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{
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Name "PackUnityTerrain"
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CGPROGRAM
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#pragma vertex vert
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#pragma fragment frag
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float4 frag(v2f i) : SV_Target
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{
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float4 source = tex2D(_MainTex, float2(i.pcUV));
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return PackHeightmap(source.r);
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}
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ENDCG
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}
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}
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Fallback Off
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}
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