RAS_BucketManager.h

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/*
 * ***** 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 *****
 */

#ifndef __RAS_BUCKETMANAGER
#define __RAS_BUCKETMANAGER

#include "MT_Transform.h"
#include "RAS_MaterialBucket.h"
#include "CTR_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