移除水
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// Crest Water System
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// Copyright © 2024 Wave Harmonic. All rights reserved.
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// Adds clipping from a provided texture. Used by Painted and Texture input modes.
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#pragma kernel CrestExecute
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#include "HLSLSupport.cginc"
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#include "Packages/com.waveharmonic.crest/Runtime/Shaders/Library/Macros.hlsl"
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#include "Packages/com.waveharmonic.crest/Runtime/Shaders/Library/Constants.hlsl"
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#include "Packages/com.waveharmonic.crest/Runtime/Shaders/Library/Globals.hlsl"
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#include "Packages/com.waveharmonic.crest/Runtime/Shaders/Library/Helpers.hlsl"
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#include "Packages/com.waveharmonic.crest/Runtime/Shaders/Library/InputsDriven.hlsl"
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#include "Packages/com.waveharmonic.crest/Runtime/Shaders/Library/Cascade.hlsl"
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Texture2D _Crest_Texture;
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RWTexture2DArray<float> _Crest_Target;
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CBUFFER_START(CrestPerMaterial)
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float2 _Crest_TextureSize;
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float2 _Crest_TexturePosition;
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float2 _Crest_TextureRotation;
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CBUFFER_END
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m_CrestNameSpace
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void Execute(uint3 id)
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{
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const Cascade cascade = Cascade::MakeClip(id.z);
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const float2 uv = DataIDToInputUV(id.xy, cascade, _Crest_TexturePosition, _Crest_TextureRotation, _Crest_TextureSize);
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// Check we are within bounds.
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if (!WithinUV(uv))
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{
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return;
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}
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const float result = _Crest_Texture.SampleLevel(LODData_linear_clamp_sampler, uv, 0).x;
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// Painted clip defines a minimum value of the clip.
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_Crest_Target[id] = max(_Crest_Target[id], result);
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}
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m_CrestNameSpaceEnd
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m_CrestInputKernelDefault(Execute)
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