1 files changed, 102 insertions, 0 deletions
diff --git a/materialsystem/stdshaders/TreeLeaf.cpp b/materialsystem/stdshaders/TreeLeaf.cpp
new file mode 100644
index 0000000..5f87f1b
--- /dev/null
+++ b/materialsystem/stdshaders/TreeLeaf.cpp
@@ -0,0 +1,102 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $Header: $
+// $NoKeywords: $
+//=============================================================================//
+
+#include "BaseVSShader.h"
+
+#include "treeleaf_ps20.inc"
+#include "treeleaf_ps20b.inc"
+#include "treeleaf_vs20.inc"
+
+BEGIN_VS_SHADER_FLAGS( TreeLeaf, "Help for TreeLeaf", SHADER_NOT_EDITABLE )
+
+	BEGIN_SHADER_PARAMS
+		SHADER_PARAM( LEAFCENTER, SHADER_PARAM_TYPE_VEC3, "[0 0 0]", "Center of leaf cluster for lighting" )
+	END_SHADER_PARAMS
+
+	SHADER_INIT_PARAMS()
+	{
+	}
+
+	SHADER_FALLBACK
+	{
+		if ( g_pHardwareConfig->GetDXSupportLevel() < 90 )
+		{
+			return "Wireframe";
+		}
+		return 0;
+	}
+
+	SHADER_INIT
+	{
+		SET_FLAGS2( MATERIAL_VAR2_LIGHTING_VERTEX_LIT );
+
+		if ( params[BASETEXTURE]->IsDefined() )
+		{
+			LoadTexture( BASETEXTURE );
+		}
+	}
+
+	SHADER_DRAW
+	{
+		SHADOW_STATE
+		{
+			pShaderShadow->EnableTexture( SHADER_SAMPLER0, true );
+
+			pShaderShadow->EnableAlphaTest( true );
+			pShaderShadow->AlphaFunc( SHADER_ALPHAFUNC_GREATER, 0.5f );
+
+			unsigned int flags = VERTEX_POSITION | VERTEX_NORMAL;
+			int numTexCoords = 1;
+			pShaderShadow->VertexShaderVertexFormat( flags, numTexCoords, 0, 0 );
+
+			bool bUseStaticControlFlow = g_pHardwareConfig->SupportsStaticControlFlow();
+
+			DECLARE_STATIC_VERTEX_SHADER( treeleaf_vs20 );
+			SET_STATIC_VERTEX_SHADER_COMBO( HALFLAMBERT, true );
+			SET_STATIC_VERTEX_SHADER_COMBO( USE_STATIC_CONTROL_FLOW, bUseStaticControlFlow );
+			SET_STATIC_VERTEX_SHADER( treeleaf_vs20 );
+
+			if( g_pHardwareConfig->SupportsPixelShaders_2_b() )
+			{
+				DECLARE_STATIC_PIXEL_SHADER( treeleaf_ps20b );
+				SET_STATIC_PIXEL_SHADER( treeleaf_ps20b );
+			}
+			else
+			{
+				DECLARE_STATIC_PIXEL_SHADER( treeleaf_ps20 );
+				SET_STATIC_PIXEL_SHADER( treeleaf_ps20 );
+			}
+
+			// we are writing linear values from this shader.
+			// This is kinda wrong.  We are writing linear or gamma depending on "IsHDREnabled" below.
+			// The COLOR really decides if we are gamma or linear.  
+			pShaderShadow->EnableSRGBWrite( false );
+		}
+		DYNAMIC_STATE
+		{
+			BindTexture( SHADER_SAMPLER0, BASETEXTURE, FRAME );
+
+			// We need the view matrix
+			LoadViewMatrixIntoVertexShaderConstant( VERTEX_SHADER_VIEWMODEL );
+
+			pShaderAPI->SetVertexShaderConstant( VERTEX_SHADER_SHADER_SPECIFIC_CONST_0, params[ LEAFCENTER ]->GetVecValue() );
+
+			LightState_t lightState;
+			pShaderAPI->GetDX9LightState( &lightState );
+
+			bool bUseStaticControlFlow = g_pHardwareConfig->SupportsStaticControlFlow();
+
+			DECLARE_DYNAMIC_VERTEX_SHADER( treeleaf_vs20 );
+			SET_DYNAMIC_VERTEX_SHADER_COMBO( DYNAMIC_LIGHT, lightState.HasDynamicLight() );
+			SET_DYNAMIC_VERTEX_SHADER_COMBO( STATIC_LIGHT, lightState.m_bStaticLightVertex ? 1 : 0 );
+			SET_DYNAMIC_VERTEX_SHADER_COMBO( NUM_LIGHTS, bUseStaticControlFlow ? 0 : lightState.m_nNumLights );
+			SET_DYNAMIC_VERTEX_SHADER( treeleaf_vs20 );
+		}
+		Draw( );
+	}
+END_SHADER