builder.h

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/***************************************************************************
 *   Copyright (C) 2005 by Reality Rift Studios                            *
 *   http://www.realityrift.com  -  mattias@realityrift.com                *
 *                                                                         *
 *   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.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

#ifndef neo_scene_abt_builder_h
#define neo_scene_abt_builder_h

#include "../../core/platform.h"

#if NEO_ENABLE_SCENE_ABT

#include "../../core/singleton.h"
#include "../geometry.h"
#include "scene.h"

namespace neo {
namespace scene {
namespace abt {


class Builder : public core::Singleton< Builder >
{
    public:
                                                           

    Scene*                                                  partition( const std::string& name, unsigned int rid, core::Array< Geometry* >& geometries );

    protected:
    
                                                            Builder();
    virtual                                                ~Builder();

    bool                                                    terminate( core::Array< Geometry* >& geometries );
    void                                                    partitionToNode( Node* p_node, core::Array< Geometry* >& geometries, int depth );
    unsigned int                                            rebuildBoxes( Node* p_node, unsigned int depth, unsigned int* p_numNodes );

    unsigned int                                            _maxPrimitives;
    
    unsigned int                                            _maxPrimitivesAddPerBatch;

    unsigned int                                            _maxTreeDepth;
    
    bool                                                    _stripify;
    
    // Final vertex buffers
    core::Array< render::VertexBufferPtr >                  _vertexBuffers;
    
    core::Array< Geometry* >                                _geometries;
    
    friend class core::Singleton< Builder >;
};

}
}
}

#endif

#endif

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