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materialsystem/stdshaders/cloud_vs20.fxc

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+#include "common_vs_fxc.h"
+
+const float4 g_matBaseTexCoordTransform[2] : register( SHADER_SPECIFIC_CONST_0 );
+const float4 g_matCloudTexCoordTransform[2] : register( SHADER_SPECIFIC_CONST_2 );
+
+struct VS_INPUT
+{
+	float4 vPos			: POSITION;
+	float4 vTexCoord0	: TEXCOORD0;
+	float4 vTexCoord1	: TEXCOORD1;
+};
+
+struct VS_OUTPUT
+{
+    float4 projPos			: POSITION;
+	float2 baseCoords		: TEXCOORD0;
+	float2 cloudAlphaCoords	: TEXCOORD1;
+	float  fogFactor		: TEXCOORD2;
+};
+
+VS_OUTPUT main( const VS_INPUT v )
+{
+	VS_OUTPUT o;
+	o.projPos = mul( v.vPos, cModelViewProj );
+
+	// Compute fog based on the position
+	float3 vWorldPos = mul( v.vPos, cModel[0] );
+	o.fogFactor = CalcFog( vWorldPos, o.projPos, FOGTYPE_RANGE );
+
+	// Texture coordinate transforms
+	o.baseCoords.x = dot( v.vTexCoord0.xyzw, g_matBaseTexCoordTransform[0] );
+	o.baseCoords.y = dot( v.vTexCoord0.xyzw, g_matBaseTexCoordTransform[1] );
+	o.cloudAlphaCoords.x = dot( v.vTexCoord1.xyzw, g_matCloudTexCoordTransform[0] );
+	o.cloudAlphaCoords.y = dot( v.vTexCoord1.xyzw, g_matCloudTexCoordTransform[1] );
+
+	return o;
+}