glc_octree.h

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

 This file is part of the GLC-lib library.
 Copyright (C) 2005-2008 Laurent Ribon (laumaya@users.sourceforge.net)
 http://glc-lib.sourceforge.net

 GLC-lib is free software; you can redistribute it and/or modify
 it under the terms of the GNU Lesser General Public License as published by
 the Free Software Foundation; either version 3 of the License, or
 (at your option) any later version.

 GLC-lib 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 Lesser General Public License for more details.

 You should have received a copy of the GNU Lesser General Public License
 along with GLC-lib; if not, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

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

#ifndef GLC_OCTREE_H_
#define GLC_OCTREE_H_

#include "glc_spacepartitioning.h"
#include "../glc_config.h"

class GLC_OctreeNode;
class GLC_Material;
class GLC_3DViewInstance;



class GLC_LIB_EXPORT GLC_Octree : public GLC_SpacePartitioning
{


public:
        GLC_Octree(GLC_3DViewCollection*);

        GLC_Octree(const GLC_Octree&);

        virtual ~GLC_Octree();




public:
        static int defaultDepth();

        virtual QList<GLC_3DViewInstance*> listOfIntersectedInstances(const GLC_BoundingBox& bBox);




public:

        virtual void updateViewableInstances(const GLC_Frustum&);

        virtual void updateSpacePartitioning();

        virtual void clear();


        void setDepth(int);

        void createBox(GLC_Material*, GLC_3DViewCollection* pCol= NULL);

        static void setDefaultDepth(int depth);


// Private services function
private:


        void createBoxWithMaterial(GLC_3DViewCollection*, GLC_OctreeNode*, GLC_Material*);

// Private members
private:
        GLC_OctreeNode* m_pRootNode;

        int m_OctreeDepth;

        static int m_DefaultOctreeDepth;
};

#endif /* GLC_OCTREE_H_ */