/**
 * $Id: RAS_BucketManager.h 29494 2010-06-16 19:07:20Z moguri $
 *
 * ***** BEGIN GPL 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.
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 LICENSE BLOCK *****
 */
// this will be put in a class later on

#ifndef __RAS_BUCKETMANAGER
#define __RAS_BUCKETMANAGER

#include "MT_Transform.h"
#include "RAS_MaterialBucket.h"
#include "GEN_Map.h"

#include <vector>

class RAS_BucketManager
{
	typedef std::vector<class RAS_MaterialBucket*> BucketList;
	BucketList m_SolidBuckets;
	BucketList m_AlphaBuckets;
	
	struct sortedmeshslot;
	struct backtofront;
	struct fronttoback;

public:
	RAS_BucketManager();
	virtual ~RAS_BucketManager();

	void Renderbuckets(const MT_Transform & cameratrans,
		RAS_IRasterizer* rasty, RAS_IRenderTools* rendertools);

	RAS_MaterialBucket* FindBucket(RAS_IPolyMaterial * material, bool &bucketCreated);
	void OptimizeBuckets(MT_Scalar distance);
	
	void ReleaseDisplayLists(RAS_IPolyMaterial * material = NULL);
	void ReleaseMaterials(RAS_IPolyMaterial * material = NULL);

	void RemoveMaterial(RAS_IPolyMaterial * mat); // freeing scenes only

	/* for merging */
	void MergeBucketManager(RAS_BucketManager *other, SCA_IScene *scene);
	BucketList & GetSolidBuckets() {return m_SolidBuckets;};
	BucketList & GetAlphaBuckets() {return m_AlphaBuckets;};

	/*void PrintStats(int verbose_level) {
		printf("\nMappings...\n");
		printf("\t m_SolidBuckets: %d\n", m_SolidBuckets.size());
		printf("\t\t m_SolidBuckets: %d\n", m_SolidBuckets.size());
		printf("\t m_AlphaBuckets: %d\n", m_AlphaBuckets.size());
	}*/


private:
	void OrderBuckets(const MT_Transform& cameratrans, BucketList& buckets, vector<sortedmeshslot>& slots, bool alpha);

	void RenderSolidBuckets(const MT_Transform& cameratrans, 
		RAS_IRasterizer* rasty, RAS_IRenderTools* rendertools);
	void RenderAlphaBuckets(const MT_Transform& cameratrans, 
		RAS_IRasterizer* rasty, RAS_IRenderTools* rendertools);

#ifdef WITH_CXX_GUARDEDALLOC
public:
	void *operator new(size_t num_bytes) { return MEM_mallocN(num_bytes, "GE:RAS_BucketManager"); }
	void operator delete( void *mem ) { MEM_freeN(mem); }
#endif
};

#endif //__RAS_BUCKETMANAGER