修改水

2026-01-01 22:00:33 +08:00
parent 040a222bd6
commit 9ceffccd39
1800 changed files with 103929 additions and 139495 deletions
--- a/Packages/com.waveharmonic.crest/Editor/Shaders/WaterLevel.hlsl
+++ b/Packages/com.waveharmonic.crest/Editor/Shaders/WaterLevel.hlsl
@@ -0,0 +1,85 @@
+// Crest Water System
+// Copyright © 2024 Wave Harmonic. All rights reserved.
+
+#ifndef d_WaterLevelDepth
+#define d_WaterLevelDepth
+
+#include "Packages/com.waveharmonic.crest/Runtime/Shaders/Library/Macros.hlsl"
+#include "Packages/com.waveharmonic.crest/Runtime/Shaders/Library/InputsDriven.hlsl"
+#include "Packages/com.waveharmonic.crest/Runtime/Shaders/Library/Cascade.hlsl"
+#include "Packages/com.waveharmonic.crest/Runtime/Shaders/Surface/Geometry.hlsl"
+
+m_CrestNameSpace
+
+struct Attributes
+{
+    float3 positionOS : POSITION;
+};
+
+struct Varyings
+{
+    float4 positionCS : SV_POSITION;
+};
+
+Varyings Vertex(Attributes attributes)
+{
+    // This will work for all pipelines.
+    Varyings varyings = (Varyings)0;
+
+    const Cascade cascade0 = Cascade::Make(_Crest_LodIndex);
+    const Cascade cascade1 = Cascade::Make(_Crest_LodIndex + 1);
+
+    float3 positionWS = mul(UNITY_MATRIX_M, float4(attributes.positionOS.xyz, 1.0)).xyz;
+
+#if (SHADEROPTIONS_CAMERA_RELATIVE_RENDERING != 0)
+    positionWS.xz += _WorldSpaceCameraPos.xz;
+#endif
+
+    float alpha;
+    SnapAndTransitionVertLayout(_Crest_ChunkMeshScaleAlpha, cascade0, _Crest_ChunkGeometryGridWidth, positionWS, alpha);
+
+    {
+        // :WaterGridPrecisionErrors
+        float2 center = UNITY_MATRIX_M._m03_m23;
+#if (SHADEROPTIONS_CAMERA_RELATIVE_RENDERING != 0)
+        center += _WorldSpaceCameraPos.xz;
+#endif
+        const float2 camera = abs(_WorldSpaceCameraPos.xz);
+        positionWS.xz = lerp(center, positionWS.xz, lerp(1.0, 1.01, max(camera.x, camera.y) * 0.00001));
+    }
+
+    const float weight0 = (1.0 - alpha) * cascade0._Weight;
+    const float weight1 = (1.0 - weight0) * cascade1._Weight;
+
+    half offset = 0.0;
+    if (weight0 > m_CrestSampleLodThreshold)
+    {
+        Cascade::MakeLevel(_Crest_LodIndex).SampleLevel(positionWS.xz, weight0, offset);
+    }
+    if (weight1 > m_CrestSampleLodThreshold)
+    {
+        Cascade::MakeLevel(_Crest_LodIndex + 1).SampleLevel(positionWS.xz, weight1, offset);
+    }
+
+    positionWS.y += offset;
+
+#if (SHADEROPTIONS_CAMERA_RELATIVE_RENDERING != 0)
+    positionWS.xz -= _WorldSpaceCameraPos.xz;
+#endif
+
+    varyings.positionCS = mul(UNITY_MATRIX_VP, float4(positionWS, 1.0));
+
+    return varyings;
+}
+
+half4 Fragment(Varyings varyings)
+{
+    return half4(0.0, 0.0, 0.0, 1.0);
+}
+
+m_CrestNameSpaceEnd
+
+m_CrestVertex
+m_CrestFragment(half4)
+
+#endif // d_WaterLevelDepth