104 lines
3.5 KiB
HLSL
104 lines
3.5 KiB
HLSL
#ifndef SHADOW_FRAG
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#define SHADOW_FRAG
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float2 _MainDistanceFade;
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float _ForceOpaque;
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float _MainShadowClipMod;
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float2 _ClippingMaskPan;
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float _ClippingMaskUV;
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sampler3D _DitherMaskLOD;
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float2 _MainTexPan;
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float _MainTextureUV;
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float _Inverse_Clipping;
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float _MainDistanceFadeMin;
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float _MainDistanceFadeMax;
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half _MainMinAlpha;
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half _MainMaxAlpha;
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#if defined(PROP_MAINFADETEXTURE) || !defined(OPTIMIZER_ENABLED)
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POI_TEXTURE_NOSAMPLER(_MainFadeTexture);
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#endif
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float distanceFade()
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{
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#if defined(PROP_MAINFADETEXTURE) || !defined(OPTIMIZER_ENABLED)
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half fadeMap = POI2D_SAMPLER_PAN(_MainFadeTexture, _MainTex, poiMesh.uv[(0.0 /*_MainFadeTextureUV*/)], float4(0,0,0,0)).r;
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#else
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half fadeMap = 1;
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#endif
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return lerp((0.0 /*_MainMinAlpha*/), (1.0 /*_MainMaxAlpha*/), smoothstep((0.0 /*_MainDistanceFadeMin*/), (0.0 /*_MainDistanceFadeMax*/), distance(poiMesh.worldPos, poiCam.worldPos)));
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}
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half4 fragShadowCaster(
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#if !defined(V2F_SHADOW_CASTER_NOPOS_IS_EMPTY) || defined(UNITY_STANDARD_USE_SHADOW_UVS)
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V2FShadow i, uint facing: SV_IsFrontFace
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#endif
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): SV_Target
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{
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poiMesh.uv[0] = i.uv;
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poiMesh.uv[1] = i.uv1;
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poiMesh.uv[2] = i.uv2;
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poiMesh.uv[3] = i.uv3;
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float4 mainTexture = UNITY_SAMPLE_TEX2D(_MainTex, TRANSFORM_TEX(poiMesh.uv[(0.0 /*_MainTextureUV*/)], _MainTex) + _Time.x * float4(0,0,0,0));
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float clipValue = clamp((0.0 /*_Cutoff*/) + (0.0 /*_MainShadowClipMod*/), - .001, 1.001);
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poiMesh.vertexColor = saturate(i.vertexColor);
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poiMesh.worldPos = i.worldPos;
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poiMesh.localPos = i.localPos;
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poiCam.worldPos = _WorldSpaceCameraPos;
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#ifdef POI_MIRROR
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applyMirrorRenderFrag();
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#endif
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#if defined(UNITY_STANDARD_USE_SHADOW_UVS)
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half4 alpha = mainTexture;
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#if defined(PROP_MIRRORTEXTURE) || !defined(OPTIMIZER_ENABLED)
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if ((0.0 /*_EnableMirrorTexture*/))
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{
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if (IsInMirror())
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{
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alpha.a = UNITY_SAMPLE_TEX2D_SAMPLER(_MirrorTexture, _MainTex, TRANSFORM_TEX(i.uv, _MirrorTexture)).a;
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}
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}
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#endif
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alpha.a *= distanceFade();
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half alphaMask = POI2D_PAN(_ClippingMask, poiMesh.uv[(0.0 /*_ClippingMaskUV*/)], float4(0,0,0,0));
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if ((0.0 /*_Inverse_Clipping*/))
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{
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alphaMask = 1 - alphaMask;
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}
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alpha.a *= alphaMask;
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alpha.a *= float4(1,1,1,1).a + .0001;
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alpha.a += (0.0 /*_AlphaMod*/);
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alpha.a = saturate(alpha.a);
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if ((9.0 /*_Mode*/) == 0)
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{
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alpha.a = 1;
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}
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if ((9.0 /*_Mode*/) == 1)
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{
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applyShadowDithering(alpha.a, calcScreenUVs(i.grabPos).xy);
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}
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#ifdef POI_DISSOLVE
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float3 fakeEmission = 1;
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calculateDissolve(alpha, fakeEmission);
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#endif
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if ((9.0 /*_Mode*/) == 1)
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{
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clip(alpha.a - 0.001);
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}
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if ((9.0 /*_Mode*/) == 1)
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{
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clip(alpha.a - clipValue);
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}
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if ((9.0 /*_Mode*/) > 1)
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{
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float dither = tex3D(_DitherMaskLOD, float3(i.pos.xy * .25, alpha.a * 0.9375)).a;
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clip(dither - 0.01);
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}
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#endif
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SHADOW_CASTER_FRAGMENT(i)
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}
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#endif
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