libprocter/cmesh.h

/***************************************************************************
                          cmesh.h  -  The libPlanet mesh class
                             -------------------
    begin                : zo nov 4 2007
    copyright            : (C) 2007 by CJP
    email                : cornware-cjp@users.sourceforge.net
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/
#ifndef LIBPLANETCMESH_H
#define LIBPLANETCMESH_H

#include <vector>
#include <list>

#include <libprocter/cvector.h>
#include <libprocter/cgridposition.h>
#include <libprocter/ctexture.h>
#include <libprocter/ctilesurface.h>

namespace libProcTer {

class CTileManager;
class CTile;
class CMesh;

struct SVertex
{
        CVector pos;
        CVector nor;
        CVector tex;

        CGridPosition gridpos;
};

struct STriangle
{

        unsigned int v1, v2, v3;

        CVector nor;
};

struct SSphere
{
        CVector mid;
        double R;
};

typedef std::list<CMesh> CMeshList;

class CMesh {
public:
        CMesh(CTile *tile);
        ~CMesh();

        inline void setTile(CTile *tile)
                {m_Tile = tile;}

        std::vector<SVertex> m_Vertices;
        std::vector<STriangle> m_Triangles;

        SSphere m_BoundingSphere;

        void recalcNormals();

        void updateSurface();

        bool checkIntegrity();

        inline CTexture *getTexture(CTileSurface::eTextureType type) const
        {
                if(m_Surface == NULL) return NULL;
                return m_Surface->getTexture(type);
        }

private:
        //The tile (used to get textures):
        CTile *m_Tile;

        //The cached surface (from m_Tile):
        CTileSurface *m_Surface;
};

}

#endif

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