1HEADmaster

1 files changed, 175 insertions, 0 deletions

diff --git a/materialsystem/stdshaders/worldtwotextureblend_dx8.cpp b/materialsystem/stdshaders/worldtwotextureblend_dx8.cpp
new file mode 100644
index 0000000..a58d9df
--- /dev/null
+++ b/materialsystem/stdshaders/worldtwotextureblend_dx8.cpp
@@ -0,0 +1,175 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $Header: $
+// $NoKeywords: $
+//=============================================================================//
+
+#include "BaseVSShader.h"
+				   
+#include "lightmappedgeneric_vs11.inc"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+
+DEFINE_FALLBACK_SHADER( WorldTwoTextureBlend, WorldTwoTextureBlend_DX8 )
+
+BEGIN_VS_SHADER( WorldTwoTextureBlend_DX8, 
+			  "Help for WorldTwoTextureBlend_DX8" )
+			  
+	BEGIN_SHADER_PARAMS
+		SHADER_PARAM_OVERRIDE( BASETEXTURE, SHADER_PARAM_TYPE_TEXTURE, "shadertest/WorldTwoTextureBlend", "iris texture", 0 )
+		SHADER_PARAM( SELFILLUMTINT, SHADER_PARAM_TYPE_COLOR, "[1 1 1]", "Self-illumination tint" )
+		SHADER_PARAM( DETAIL, SHADER_PARAM_TYPE_TEXTURE, "shadertest/WorldTwoTextureBlend_detail", "detail texture" )
+		SHADER_PARAM( DETAILSCALE, SHADER_PARAM_TYPE_FLOAT, "1.0", "scale of the detail texture" )
+		SHADER_PARAM( DETAIL_ALPHA_MASK_BASE_TEXTURE, SHADER_PARAM_TYPE_BOOL, "0", 
+			"If this is 1, then when detail alpha=0, no base texture is blended and when "
+			"detail alpha=1, you get detail*base*lightmap" )
+	END_SHADER_PARAMS
+
+	SHADER_FALLBACK
+	{
+		if ( IsPC() && g_pHardwareConfig->GetDXSupportLevel() < 80 )
+			return "WorldTwoTextureBlend_DX6";
+
+		return 0;
+	}
+	SHADER_INIT
+	{
+		LoadTexture( FLASHLIGHTTEXTURE );
+		if (params[BASETEXTURE]->IsDefined())
+		{
+			LoadTexture( BASETEXTURE );
+		}
+
+		if (params[DETAIL]->IsDefined())
+		{
+			LoadTexture( DETAIL );
+		}
+	}
+
+	SHADER_INIT_PARAMS()
+	{
+		// FLASHLIGHTFIXME
+		params[FLASHLIGHTTEXTURE]->SetStringValue( "effects/flashlight001" );
+
+		if( !params[SELFILLUMTINT]->IsDefined() )
+		{
+			params[SELFILLUMTINT]->SetVecValue( 1.0f, 1.0f, 1.0f );
+		}
+
+		if( !params[DETAIL_ALPHA_MASK_BASE_TEXTURE]->IsDefined() )
+		{
+			params[DETAIL_ALPHA_MASK_BASE_TEXTURE]->SetIntValue( 0 );
+		}
+	
+		SET_FLAGS2( MATERIAL_VAR2_LIGHTING_LIGHTMAP );
+	}
+
+	const char *GetPixelShaderName( IMaterialVar** params, bool bHasBaseTexture, bool bHasDetailTexture )
+	{
+		bool bSelfIllum = IS_FLAG_SET(MATERIAL_VAR_SELFILLUM);
+		if ( !bHasBaseTexture )
+		{
+			if ( !bHasDetailTexture )
+				return "LightmappedGeneric_NoTexture";
+
+			return "LightmappedGeneric_DetailNoTexture";
+		}
+		
+		if ( !bHasDetailTexture )
+		{
+			if ( bSelfIllum )
+				return "LightmappedGeneric_SelfIlluminated";
+			
+			return "LightmappedGeneric";
+		}
+		
+		if ( !params[DETAIL_ALPHA_MASK_BASE_TEXTURE]->GetIntValue() )
+		{
+			if ( bSelfIllum )
+				return "WorldTwoTextureBlend_SelfIlluminated";
+
+			return "WorldTwoTextureBlend";
+		}
+
+		return "WorldTwoTextureBlend_DetailAlpha";
+	}
+
+
+	SHADER_DRAW
+	{
+		bool hasFlashlight = UsingFlashlight( params );
+		if( hasFlashlight )
+		{
+			DrawFlashlight_dx80( params, pShaderAPI, pShaderShadow, false, -1, -1, -1, 
+				FLASHLIGHTTEXTURE, FLASHLIGHTTEXTUREFRAME, true, false, 0, -1, -1 );
+			return;
+		}
+
+		bool bHasBaseTexture = params[BASETEXTURE]->IsTexture();
+		bool bHasDetailTexture = params[DETAIL]->IsTexture();
+		bool bHasVertexColor = IS_FLAG_SET( MATERIAL_VAR_VERTEXCOLOR );
+
+		SHADOW_STATE
+		{
+			if ( bHasBaseTexture )
+			{
+				pShaderShadow->EnableTexture( SHADER_SAMPLER0, true );
+			}
+			pShaderShadow->EnableTexture( SHADER_SAMPLER1, true );
+			if ( bHasDetailTexture )
+			{
+				pShaderShadow->EnableTexture( SHADER_SAMPLER2, true );
+			}
+			pShaderShadow->EnableBlending( false );
+
+			pShaderShadow->VertexShaderVertexFormat( VERTEX_POSITION, 2, 0, 0 );
+
+			// Let the shaders do the fun stuff.
+			lightmappedgeneric_vs11_Static_Index vshIndex;
+			vshIndex.SetDETAIL( bHasDetailTexture );
+			vshIndex.SetENVMAP( false );
+			vshIndex.SetENVMAPCAMERASPACE( false );
+			vshIndex.SetENVMAPSPHERE( false );
+			vshIndex.SetVERTEXCOLOR( bHasVertexColor );
+			pShaderShadow->SetVertexShader( "LightmappedGeneric_vs11", vshIndex.GetIndex() );
+
+			const char *pPixelShaderName = GetPixelShaderName( params, bHasBaseTexture, bHasDetailTexture );
+			pShaderShadow->SetPixelShader( pPixelShaderName );
+			
+			FogToFogColor();
+		}
+		DYNAMIC_STATE
+		{
+			if ( bHasBaseTexture )
+			{
+				BindTexture( SHADER_SAMPLER0, BASETEXTURE, FRAME );
+				SetVertexShaderTextureTransform( VERTEX_SHADER_SHADER_SPECIFIC_CONST_0, BASETEXTURETRANSFORM );
+			}
+
+			pShaderAPI->BindStandardTexture( SHADER_SAMPLER1, TEXTURE_LIGHTMAP );
+
+			if ( bHasDetailTexture )
+			{
+				BindTexture( SHADER_SAMPLER2, DETAIL );
+				SetVertexShaderTextureScaledTransform( VERTEX_SHADER_SHADER_SPECIFIC_CONST_4, BASETEXTURETRANSFORM, DETAILSCALE );
+			}
+
+			SetModulationVertexShaderDynamicState();
+
+			// Dynamic vertex shader index.
+			lightmappedgeneric_vs11_Dynamic_Index vshIndex;
+			vshIndex.SetDOWATERFOG( pShaderAPI->GetSceneFogMode() == MATERIAL_FOG_LINEAR_BELOW_FOG_Z );
+			pShaderAPI->SetVertexShaderIndex( vshIndex.GetIndex() );
+
+			EnablePixelShaderOverbright( 0, true, true );
+			SetPixelShaderConstant( 1, SELFILLUMTINT );
+		}
+		Draw();
+	}
+
+END_SHADER
+