glc_lod.h

Go to the documentation of this file.

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

 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_LOD_H_
#define GLC_LOD_H_

#include <QVector>
#include "../glc_ext.h"

#include "../glc_config.h"



class GLC_LIB_EXPORT GLC_Lod
{
        friend GLC_LIB_EXPORT QDataStream &operator<<(QDataStream &, const GLC_Lod &);
        friend GLC_LIB_EXPORT QDataStream &operator>>(QDataStream &, GLC_Lod &);

public:


public:
        GLC_Lod();

        GLC_Lod(double accuracy);

        GLC_Lod(const GLC_Lod&);

        GLC_Lod& operator=(const GLC_Lod&);

        virtual ~GLC_Lod();



public:
        static quint32 chunckID();

        inline double accuracy() const
        {return m_Accuracy;}


        QVector<GLuint> indexVector() const;


        inline QVector<GLuint>* indexVectorHandle()
        { return &m_IndexVector;}

        inline int indexVectorSize() const
        {return m_IndexVector.size();}

        inline unsigned int trianglesCount() const
        {return m_TrianglesCount;}




public:
        void copyIboToClientSide();

        void releaseIboClientSide(bool update= false);

        inline void finishVbo()
        {
                m_IndexSize= m_IndexVector.size();
                m_IndexVector.clear();
        }
        inline void setAccuracy(const double& accuracy)
        {m_Accuracy= accuracy;}

        inline void trianglesAdded(unsigned int count)
        {
                m_TrianglesCount+= count;
        }





public:
        inline void createIBO()
        {
                if (0 == m_IboId && !m_IndexVector.isEmpty())
                {
                        glGenBuffers(1, &m_IboId);
                }
        }

        inline void useIBO() const
        {glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_IboId);}


// Private members
private:

        double m_Accuracy;

        GLuint m_IboId;

        QVector<GLuint> m_IndexVector;

        int m_IndexSize;

        unsigned int m_TrianglesCount;

        static quint32 m_ChunkId;

};

GLC_LIB_EXPORT QDataStream &operator<<(QDataStream &, const GLC_Lod &);
GLC_LIB_EXPORT QDataStream &operator>>(QDataStream &, GLC_Lod &);

#endif /* GLC_LOD_H_ */