备份CatanBuilding瘦身独立工程

LocalPackages/zzwater/shaders/libs/Common.hlsl

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+
+#ifndef WATER_COMMON_INCLUDED
+#define WATER_COMMON_INCLUDED
+
+//As per the "Shader" section of the documentation, this is primarily used for synchronizing animations in networked applications.
+//#define TIME_FRAG_INPUT  input.uv.z
+//#define TIME_VERTEX_OUTPUT  output.uv.z
+
+//#define TIME ((TIME_FRAG_INPUT * _Speed) * -_Direction.xy)
+//#define TIME_VERTEX ((TIME_VERTEX_OUTPUT * _Speed) * -_Direction.xy)
+#define TIME_VERTEX ((_TimeParameters.x * _Speed) * -_Direction.xy)
+
+#define HORIZONTAL_DISPLACEMENT_SCALAR 0.01
+#define UP_VECTOR float3(0,1,0)
+#define RAD2DEGREE 57.29578
+
+struct WaterSurface
+{
+	float3 positionWS;
+	float3 viewDelta; //Un-normalized view direction, 
+	float3 viewDir;
+
+	//Normal from the base geometry, in world-space
+	float3 vertexNormal;
+	float3 tangentNormal;
+	float3 tangentWorldNormal;
+
+	float3 albedo;
+	float3 offset;
+	float alpha;
+    float fog;
+	float edgeFade;
+    float intersection;
+
+    float3 reflections;
+    float reflectionMask;
+};
+
+struct SceneDepth
+{
+	float raw;
+	float linear01;
+	float eye;
+};
+
+#define FAR_CLIP _ProjectionParams.z
+#define NEAR_CLIP _ProjectionParams.y
+//Scale linear values to the clipping planes for orthographic projection (unity_OrthoParams.w = 1 = orthographic)
+#define DEPTH_SCALAR (FAR_CLIP - NEAR_CLIP)
+
+//Return depth based on the used technique (buffer, vertex color, baked texture)
+SceneDepth SampleDepth(float2 uv)
+{
+	SceneDepth depth = (SceneDepth)0;
+	
+	float raw = SampleSceneDepth(uv);
+    depth.raw = raw;
+	depth.eye = LinearEyeDepth(raw, _ZBufferParams);
+	depth.linear01 = Linear01Depth(raw, _ZBufferParams) * DEPTH_SCALAR;
+
+	return depth;
+}
+
+#endif