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materialsystem/stdshaders/bik_vs20.fxc

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+//	DYNAMIC: "DOWATERFOG"			"0..1"
+#include "common_vs_fxc.h"
+ 
+static const int  g_FogType			= DOWATERFOG;
+
+struct VS_INPUT
+{
+	float4 vPos				: POSITION;
+	float4 vTexCoord0		: TEXCOORD0;
+};
+
+struct VS_OUTPUT
+{
+    float4 projPos					: POSITION;			// Projection-space position	
+#if !defined( _X360 )
+	float  fog						: FOG;
+#endif
+	HALF2 baseTexCoord				: TEXCOORD0;		// Base texture coordinate
+	float4 worldPos_projPosZ		: TEXCOORD1;		// Necessary for water fog dest alpha
+	float4 fogFactorW				: COLOR1;
+};
+
+VS_OUTPUT main( const VS_INPUT v )
+{
+	VS_OUTPUT o = ( VS_OUTPUT )0;
+
+	float4 projPos;
+	float3 worldPos;
+
+	projPos = mul( float4( v.vPos.xyz, 1 ), cModelViewProj );
+	o.projPos = projPos;
+
+	worldPos = mul( float4( v.vPos.xyz, 1 ), cModel[0] );
+
+	o.fogFactorW.w = CalcFog( worldPos, projPos, g_FogType );
+#if !defined( _X360 )	
+	o.fog = o.fogFactorW.w;
+#endif
+
+	o.worldPos_projPosZ = float4( worldPos, projPos.z );
+	o.baseTexCoord.xy = v.vTexCoord0;
+	return o;
+}
+
+