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diff --git a/source/gameengine/Rasterizer/RAS_IPolygonMaterial.h b/source/gameengine/Rasterizer/RAS_IPolygonMaterial.h
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+++ b/source/gameengine/Rasterizer/RAS_IPolygonMaterial.h
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+/**
+ * $Id$
+ *
+ * ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version. The Blender
+ * Foundation also sells licenses for use in proprietary software under
+ * the Blender License.  See http://www.blender.org/BL/ for information
+ * about this.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): none yet.
+ *
+ * ***** END GPL/BL DUAL LICENSE BLOCK *****
+ */
+#ifndef __RAS_IPOLYGONMATERIAL
+#define __RAS_IPOLYGONMATERIAL
+
+#include "STR_HashedString.h"
+
+
+/**
+ * Polygon Material on which the material buckets are sorted
+ *
+ */
+#include "MT_Vector3.h"
+#include "STR_HashedString.h"
+
+class RAS_IRasterizer;
+
+class RAS_IPolyMaterial
+{
+	//todo: remove these variables from this interface/protocol class
+protected:
+	STR_HashedString    m_texturename;
+	STR_String          m_materialname; //also needed for touchsensor  
+	int					m_tile;
+	int					m_tilexrep,m_tileyrep;
+	int					m_drawingmode;	// tface->mode
+	int					m_transparant;
+	int					m_lightlayer;
+	bool				m_bIsTriangle;
+	
+public:
+
+	MT_Vector3			m_diffuse;
+	float				m_shininess;
+	MT_Vector3			m_specular;
+	float				m_specularity;
+	
+	/** Used to store caching information for materials. */
+	typedef void* TCachingInfo;
+
+	// care! these are taken from blender polygonflags, see file DNA_mesh_types.h for #define TF_BILLBOARD etc.
+	enum MaterialFlags
+	{
+		BILLBOARD_SCREENALIGNED = 256,
+		BILLBOARD_AXISALIGNED = 4096,
+		SHADOW				  =8192
+	};
+
+	RAS_IPolyMaterial(const STR_String& texname,
+					  bool ba,
+					  const STR_String& matname,
+					  int tile,
+					  int tilexrep,
+					  int tileyrep,
+					  int mode,
+					  int transparant,
+					  int lightlayer,
+					  bool bIsTriangle,
+					  void* clientobject);
+	virtual ~RAS_IPolyMaterial() {};
+ 
+	/**
+	 * Returns the caching information for this material,
+	 * This can be used to speed up the rasterizing process.
+	 * @return The caching information.
+	 */
+	virtual TCachingInfo GetCachingInfo(void) const { return 0; }
+
+	/**
+	 * Activates the material in the rasterizer.
+	 * On entry, the cachingInfo contains info about the last activated material.
+	 * On exit, the cachingInfo should contain updated info about this material.
+	 * @param rasty			The rasterizer in which the material should be active.
+	 * @param cachingInfo	The information about the material used to speed up rasterizing.
+	 */
+	virtual void Activate(RAS_IRasterizer* rasty, TCachingInfo& cachingInfo) const {}
+
+	bool				Equals(const RAS_IPolyMaterial& lhs) const;
+	int					GetLightLayer();
+	bool				IsTransparant();
+	bool				UsesTriangles();
+	unsigned int		hash() const;
+	int					GetDrawingMode();
+	const STR_String&	GetMaterialName() const;
+	const STR_String&	GetTextureName() const;
+};
+
+inline  bool operator ==( const RAS_IPolyMaterial & rhs,const RAS_IPolyMaterial & lhs)
+{
+	return ( rhs.Equals(lhs));
+}
+
+
+#endif //__RAS_IPOLYGONMATERIAL