1 files changed, 95 insertions, 0 deletions
diff --git a/materialsystem/stdshaders/water_dudv.cpp b/materialsystem/stdshaders/water_dudv.cpp
new file mode 100644
index 0000000..cf29c18
--- /dev/null
+++ b/materialsystem/stdshaders/water_dudv.cpp
@@ -0,0 +1,95 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//===========================================================================//
+
+
+#include "BaseVSShader.h"
+
+#include "waterdudv_vs11.inc"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+BEGIN_VS_SHADER( Water_DuDv, "Help for Water_DuDv" )
+
+	BEGIN_SHADER_PARAMS
+		SHADER_PARAM( BUMPMAP, SHADER_PARAM_TYPE_TEXTURE, "", "dudv bump map" )
+		SHADER_PARAM( BUMPFRAME, SHADER_PARAM_TYPE_INTEGER, "0", "frame number for $bumpmap" )
+		SHADER_PARAM( BUMPTRANSFORM, SHADER_PARAM_TYPE_MATRIX, "center .5 .5 scale 1 1 rotate 0 translate 0 0", "$bumpmap texcoord transform" )
+		SHADER_PARAM( REFRACTAMOUNT, SHADER_PARAM_TYPE_FLOAT, "0", "" )
+		SHADER_PARAM( REFRACTTINT, SHADER_PARAM_TYPE_COLOR, "[1 1 1]", "refraction tint" )
+	END_SHADER_PARAMS
+
+	SHADER_INIT_PARAMS()
+	{
+	}
+
+	SHADER_FALLBACK
+	{
+		return 0;
+	}
+
+	SHADER_INIT
+	{
+		if ( params[BUMPMAP]->IsDefined() )
+		{
+			LoadTexture( BUMPMAP );
+		}
+		if( !params[REFRACTTINT]->IsDefined() )
+		{
+			params[REFRACTTINT]->SetVecValue( 1.0f, 1.0f, 1.0f );
+		}
+	}
+
+	SHADER_DRAW
+	{
+		SHADOW_STATE
+		{
+			pShaderShadow->EnableAlphaWrites( true );
+			pShaderShadow->EnableColorWrites( true );
+			pShaderShadow->EnableTexture( SHADER_TEXTURE_STAGE0, true );
+			int fmt = VERTEX_POSITION | VERTEX_NORMAL;
+			pShaderShadow->VertexShaderVertexFormat( fmt, 1, 0, 0, 0 );
+
+			pShaderShadow->SetVertexShader( "WaterDuDv_vs11", 0 );
+			pShaderShadow->SetPixelShader( "WaterDuDv_ps11", 0 );
+			DisableFog();
+		}
+		DYNAMIC_STATE
+		{
+			waterdudv_vs11_Dynamic_Index vshIndex;
+			vshIndex.SetDOWATERFOG( pShaderAPI->GetSceneFogMode() == MATERIAL_FOG_LINEAR_BELOW_FOG_Z );
+			vshIndex.SetDOFOG( pShaderAPI->GetSceneFogMode() != MATERIAL_FOG_NONE );
+			pShaderAPI->SetVertexShaderIndex( vshIndex.GetIndex() );
+
+			SetVertexShaderTextureTransform( VERTEX_SHADER_SHADER_SPECIFIC_CONST_1, BUMPTRANSFORM );
+
+			Vector4D vec;
+			const float *pTint = params[REFRACTTINT]->GetVecValue();
+			float flAverage = ( pTint[0] + pTint[1] + pTint[2] ) / 3.0f;
+			vec.Init( flAverage, flAverage, flAverage, 1.0f );
+			pShaderAPI->SetVertexShaderConstant( VERTEX_SHADER_SHADER_SPECIFIC_CONST_3, vec.Base() );
+	
+			// Amount to refract
+			SetPixelShaderConstant( 0, REFRACTAMOUNT );
+
+			// Used to renormalize
+			vec.Init( 1.0f, 1.0f, 1.0f, 1.0f );
+			pShaderAPI->SetPixelShaderConstant( 1, vec.Base() );	
+
+			// Used to deal with the red channel
+			vec.Init( 0.0f, 1.0f, 1.0f, 1.0f );
+			pShaderAPI->SetPixelShaderConstant( 2, vec.Base() );	
+
+			vec.Init( 1.0f, 0.0f, 0.0f, 0.0f );
+			pShaderAPI->SetPixelShaderConstant( 3, vec.Base() );	
+
+			BindTexture( SHADER_TEXTURE_STAGE0, BUMPMAP, BUMPFRAME );
+		}
+		Draw();
+	}
+END_SHADER
+