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materialsystem/stdshaders/DecalBaseTimesLightmapAlphaBlendSelfIllum_dx6.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $Header: $
+// $NoKeywords: $
+//===========================================================================//
+
+#include "shaderlib/cshader.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+DEFINE_FALLBACK_SHADER( DecalBaseTimesLightmapAlphaBlendSelfIllum, DecalBaseTimesLightmapAlphaBlendSelfIllum_DX6 )
+
+BEGIN_SHADER( DecalBaseTimesLightmapAlphaBlendSelfIllum_DX6, 
+			  "Help for DecalBaseTimesLightmapAlphaBlendSelfIllum_DX6" )
+			  
+	BEGIN_SHADER_PARAMS
+		SHADER_PARAM_OVERRIDE( BASETEXTURE, SHADER_PARAM_TYPE_TEXTURE, "decals/decalporthole001b", "decal base texture", 0 )
+		SHADER_PARAM( SELFILLUMTEXTURE, SHADER_PARAM_TYPE_TEXTURE, "decals/decalporthole001b_mask", "self-illum texture" )
+		SHADER_PARAM( SELFILLUMTEXTUREFRAME, SHADER_PARAM_TYPE_INTEGER, "0", "self-illum texture frame" )
+	END_SHADER_PARAMS
+
+	SHADER_INIT_PARAMS()
+	{
+		SET_FLAGS( MATERIAL_VAR_NO_DEBUG_OVERRIDE );
+		SET_FLAGS2( MATERIAL_VAR2_LIGHTING_LIGHTMAP );
+	}
+
+	SHADER_INIT
+	{
+		LoadTexture( BASETEXTURE );
+		LoadTexture( SELFILLUMTEXTURE );
+	}
+
+	SHADER_DRAW
+	{
+		if( g_pHardwareConfig->GetSamplerCount() < 2 )
+		{
+			ShaderWarning( "DecalBaseTimesLightmapAlphaBlendSelfIllum: not implemented for single-texturing hardware\n" );
+			return;
+		}
+
+
+		SHADOW_STATE
+		{
+			pShaderShadow->EnableDepthWrites( false );
+			pShaderShadow->EnablePolyOffset( SHADER_POLYOFFSET_DECAL );
+			pShaderShadow->EnableBlending( true );
+			pShaderShadow->BlendFunc( SHADER_BLEND_SRC_ALPHA, SHADER_BLEND_ONE_MINUS_SRC_ALPHA );
+			pShaderShadow->EnableTexture( SHADER_SAMPLER0, true );
+			pShaderShadow->EnableTexture( SHADER_SAMPLER1, true );
+			pShaderShadow->OverbrightValue( SHADER_TEXTURE_STAGE1, OVERBRIGHT );
+			pShaderShadow->DrawFlags( SHADER_DRAW_POSITION | 
+						SHADER_DRAW_TEXCOORD1 | SHADER_DRAW_LIGHTMAP_TEXCOORD0 );
+			FogToFogColor();
+		}
+		DYNAMIC_STATE
+		{
+			pShaderAPI->BindStandardTexture( SHADER_SAMPLER0, TEXTURE_LIGHTMAP );
+			BindTexture( SHADER_SAMPLER1, BASETEXTURE, FRAME );
+		}
+		Draw();
+
+		SHADOW_STATE
+		{
+			SetInitialShadowState( );
+			pShaderShadow->EnableDepthWrites( false );
+			pShaderShadow->EnablePolyOffset( SHADER_POLYOFFSET_DECAL );
+			pShaderShadow->EnableBlending( true );
+			pShaderShadow->BlendFunc( SHADER_BLEND_SRC_ALPHA, SHADER_BLEND_ONE_MINUS_SRC_ALPHA );
+			pShaderShadow->EnableTexture( SHADER_SAMPLER0, true );
+			pShaderShadow->DrawFlags( SHADER_DRAW_POSITION | SHADER_DRAW_TEXCOORD0 );
+			FogToBlack();
+		}
+		DYNAMIC_STATE
+		{
+			BindTexture( SHADER_SAMPLER0, SELFILLUMTEXTURE, SELFILLUMTEXTUREFRAME );
+		}
+		Draw();
+	}
+END_SHADER