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path: root/sp/src/materialsystem/stdshaders/teeth_dx6.cpp
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose: 
//
//=============================================================================//

#include "BaseVSShader.h"

// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"

DEFINE_FALLBACK_SHADER( Teeth, Teeth_DX6 )

BEGIN_VS_SHADER( Teeth_DX6, 
			  "Help for Teeth_DX6" )
			  
	BEGIN_SHADER_PARAMS
		SHADER_PARAM( ILLUMFACTOR, SHADER_PARAM_TYPE_FLOAT, "1", "Amount to darken or brighten the teeth" )
		SHADER_PARAM( FORWARD, SHADER_PARAM_TYPE_VEC3, "[1 0 0]", "Forward direction vector for teeth lighting" )
	END_SHADER_PARAMS

	SHADER_INIT_PARAMS()
	{
		// FLASHLIGHTFIXME
		params[FLASHLIGHTTEXTURE]->SetStringValue( "effects/flashlight001" );

		SET_FLAGS2( MATERIAL_VAR2_SUPPORTS_HW_SKINNING );
	}

	SHADER_INIT
	{
		LoadTexture( FLASHLIGHTTEXTURE );
		LoadTexture( BASETEXTURE );
	}

	void DrawUsingSoftwareLighting( IMaterialVar** params, IShaderDynamicAPI *pShaderAPI, IShaderShadow* pShaderShadow )
	{
		SHADOW_STATE
		{
			pShaderShadow->EnableTexture( SHADER_SAMPLER0, true );
			pShaderShadow->OverbrightValue( SHADER_TEXTURE_STAGE0, OVERBRIGHT );
			pShaderShadow->DrawFlags( SHADER_DRAW_POSITION | SHADER_DRAW_COLOR | SHADER_DRAW_TEXCOORD0 );
			FogToFogColor();
		}
		DYNAMIC_STATE
		{
			BindTexture( SHADER_SAMPLER0, BASETEXTURE, FRAME );
		}
		Draw();
	}

	SHADER_DRAW
	{
		SHADOW_STATE
		{
			SET_FLAGS2( MATERIAL_VAR2_LIGHTING_VERTEX_LIT );
		}
		bool hasFlashlight = UsingFlashlight( params );

		if( hasFlashlight )
		{
			DrawFlashlight_dx70( params, pShaderAPI, pShaderShadow, FLASHLIGHTTEXTURE, FLASHLIGHTTEXTUREFRAME );
		}
		else
		{
			DrawUsingSoftwareLighting( params, pShaderAPI, pShaderShadow );
		}
	}
END_SHADER