96 lines
2 KiB
HLSL
96 lines
2 KiB
HLSL
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#include "UnityCG.cginc"
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uniform fixed4 _AmbientFactor;
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uniform fixed4 _EmissionColor;
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uniform fixed4 _LightFactor;
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uniform half _Cutoff;
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#ifdef EMISSION_MAP_ON
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uniform sampler2D _EmissionMap;
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uniform float4 _EmissionMap_ST;
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uniform half _EmissionUV;
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#endif
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#ifdef LIGHTMAP_ON
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uniform sampler2D _LightMap;
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uniform float4 _LightMap_ST;
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uniform half _LightUV;
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#endif
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struct vertexInput {
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float4 vertex : POSITION;
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#ifdef VERTEX_COLOR_ON
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fixed4 color : COLOR;
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#endif
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#if defined(EMISSION_MAP_ON) || defined(LIGHTMAP_ON)
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float2 uv0 : TEXCOORD0;
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float2 uv1 : TEXCOORD1;
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#endif
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};
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struct vertexOutput {
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float4 pos : SV_POSITION;
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#ifdef VERTEX_COLOR_ON
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fixed4 color : COLOR;
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#endif
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#ifdef EMISSION_MAP_ON
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float2 emissionCoord : TEXCOORD0;
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#endif
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#ifdef LIGHTMAP_ON
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float2 lightmapCoord : TEXCOORD1;
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#endif
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};
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vertexOutput vert(vertexInput input)
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{
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vertexOutput output;
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#ifdef EMISSION_MAP_ON
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float2 emissionCoord =
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(_EmissionUV == 0) * input.uv0 +
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(_EmissionUV == 1) * input.uv1;
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output.emissionCoord = TRANSFORM_TEX(emissionCoord, _EmissionMap);
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#endif
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#ifdef LIGHTMAP_ON
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float2 lightmapCoord =
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(_LightUV == 0) * input.uv0 +
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(_LightUV == 1) * input.uv1;
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output.lightmapCoord = TRANSFORM_TEX(lightmapCoord, _LightMap);
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#endif
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output.pos = UnityObjectToClipPos(input.vertex);
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#ifdef VERTEX_COLOR_ON
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output.color = (fixed4) input.color;
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#endif
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return output;
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}
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fixed4 frag(vertexOutput input) : COLOR
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{
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fixed4 finalColor = _EmissionColor;
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#ifdef EMISSION_MAP_ON
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finalColor *= tex2D(_EmissionMap, input.emissionCoord);
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#endif
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#ifdef _ALPHATEST_ON
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if (finalColor.a < _Cutoff) {
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discard;
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}
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#endif
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#ifdef VERTEX_COLOR_ON
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finalColor *= fixed4(input.color.rgb, 1);
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#endif
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#ifdef LIGHTMAP_ON
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fixed4 lightmapColor = tex2D(_LightMap, input.lightmapCoord);
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finalColor = lerp(finalColor, finalColor*lightmapColor, fixed4(_LightFactor.rgb, 0));
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#endif
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fixed4 ambient = unity_AmbientSky * _AmbientFactor;
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finalColor = ambient + finalColor;
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return finalColor;
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}
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