1 files changed, 84 insertions, 0 deletions
diff --git a/materialsystem/stdshaders/WaterCheap_vs20.fxc b/materialsystem/stdshaders/WaterCheap_vs20.fxc
new file mode 100644
index 0000000..bae0238
--- /dev/null
+++ b/materialsystem/stdshaders/WaterCheap_vs20.fxc
@@ -0,0 +1,84 @@
+// STATIC: "BLEND"		"0..1"
+#include "common_vs_fxc.h"
+
+struct VS_INPUT
+{
+	float4 vPos							: POSITION;
+	float4 vNormal						: NORMAL;
+	float2 vNormalMapCoord				: TEXCOORD0;
+	float3 vTangentS					: TANGENT;
+	float3 vTangentT					: BINORMAL;
+};
+
+struct VS_OUTPUT
+{
+    float4 projPos					: POSITION;	
+#if !defined( _X360 )
+	float  fog						: FOG;
+#endif
+	float2 normalMapTexCoord		: TEXCOORD0;
+	float3 worldVertToEyeVector		: TEXCOORD1;
+	float3x3 tangentSpaceTranspose	: TEXCOORD2;
+	float4 vRefract_W_ProjZ			: TEXCOORD5;
+	float4 vExtraBumpTexCoord       : TEXCOORD6;
+	float4 fogFactorW				: COLOR1;
+};
+
+const float4 cNormalMapTransform[2]	:  register( SHADER_SPECIFIC_CONST_0 );
+const float4 TexOffsets	:  register( SHADER_SPECIFIC_CONST_3 );
+
+VS_OUTPUT main( const VS_INPUT v )
+{
+	VS_OUTPUT o = ( VS_OUTPUT )0;
+
+	float3 vObjNormal;
+	DecompressVertex_Normal( v.vNormal, vObjNormal );
+
+	float4 projPos;
+	float3 worldPos;
+
+	projPos = mul( v.vPos, cModelViewProj );
+	o.projPos = projPos;
+
+#if BLEND
+	// Map projected position to the reflection texture
+	o.vRefract_W_ProjZ.x = projPos.x;
+	o.vRefract_W_ProjZ.y = -projPos.y; // invert Y
+	o.vRefract_W_ProjZ.xy = (o.vRefract_W_ProjZ + projPos.w) * 0.5f;
+	o.vRefract_W_ProjZ.z = projPos.w;
+#endif
+	
+	o.vRefract_W_ProjZ.w = projPos.z;
+	
+	worldPos = mul( v.vPos, cModel[0] );
+
+	float3 worldTangentS = mul( v.vTangentS, ( const float3x3 )cModel[0] );
+	float3 worldTangentT = mul( v.vTangentT, ( const float3x3 )cModel[0] );
+	float3 worldNormal = mul( vObjNormal, ( float3x3 )cModel[0] );
+	o.tangentSpaceTranspose[0] = worldTangentS;
+	o.tangentSpaceTranspose[1] = worldTangentT;
+	o.tangentSpaceTranspose[2] = worldNormal;
+
+	float3 worldVertToEyeVector = VSHADER_VECT_SCALE * (cEyePos - worldPos);
+	o.worldVertToEyeVector = worldVertToEyeVector;
+
+	// FIXME: need to add a normalMapTransform to all of the water shaders.
+	//o.normalMapTexCoord.x = dot( v.vNormalMapCoord, cNormalMapTransform[0] ) + cNormalMapTransform[0].w;
+	//o.normalMapTexCoord.y = dot( v.vNormalMapCoord, cNormalMapTransform[1] ) + cNormalMapTransform[1].w;
+	o.normalMapTexCoord = v.vNormalMapCoord;
+
+	float f45x=v.vNormalMapCoord.x+v.vNormalMapCoord.y;
+	float f45y=v.vNormalMapCoord.y-v.vNormalMapCoord.x;
+	o.vExtraBumpTexCoord.x=f45x*0.1+TexOffsets.x;
+	o.vExtraBumpTexCoord.y=f45y*0.1+TexOffsets.y;
+	o.vExtraBumpTexCoord.z=v.vNormalMapCoord.y*0.45+TexOffsets.z;
+	o.vExtraBumpTexCoord.w=v.vNormalMapCoord.x*0.45+TexOffsets.w;
+
+	o.fogFactorW = CalcFog( worldPos, projPos, FOGTYPE_RANGE );
+#if !defined( _X360 )
+	o.fog = o.fogFactorW;
+#endif
+	return o;
+}
+
+