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diff --git a/utils/common/utilmatlib.h b/utils/common/utilmatlib.h
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+++ b/utils/common/utilmatlib.h
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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $Workfile:     $
+// $Date:         $
+// $NoKeywords: $
+//=============================================================================//
+
+#ifndef UTILMATLIB_H
+#define UTILMATLIB_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+#define MATERIAL_NOT_FOUND NULL
+	
+class IMaterialSystem;
+extern IMaterialSystem *g_pMaterialSystem;
+
+typedef void *MaterialSystemMaterial_t;
+
+#define UTILMATLIB_NEEDS_BUMPED_LIGHTMAPS 0
+#define UTILMATLIB_NEEDS_LIGHTMAP 1
+#define UTILMATLIB_OPACITY 2
+
+enum { UTILMATLIB_ALPHATEST = 0, UTILMATLIB_OPAQUE, UTILMATLIB_TRANSLUCENT };
+
+void InitMaterialSystem( const char *materialBaseDirPath, CreateInterfaceFn fileSystemFactory );
+void ShutdownMaterialSystem( );
+MaterialSystemMaterial_t FindMaterial( const char *materialName, bool *pFound, bool bComplain = true );
+void GetMaterialDimensions( MaterialSystemMaterial_t materialHandle, int *width, int *height );
+int GetMaterialShaderPropertyBool( MaterialSystemMaterial_t materialHandle, int propID );
+int GetMaterialShaderPropertyInt( MaterialSystemMaterial_t materialHandle, int propID );
+const char *GetMaterialVar( MaterialSystemMaterial_t materialHandle, const char *propertyName );
+void GetMaterialReflectivity( MaterialSystemMaterial_t materialHandle, float *reflectivityVect );
+const char *GetMaterialShaderName( MaterialSystemMaterial_t materialHandle );
+
+
+#endif // UTILMATLIB_H