move_cell.h

Go to the documentation of this file.

/* Copyright, 2001 Nevrax Ltd.
 *
 * This file is part of NEVRAX NEL.
 * NEVRAX NEL 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, or (at your option)
 * any later version.

 * NEVRAX NEL 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 NEVRAX NEL; see the file COPYING. If not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
 * MA 02111-1307, USA.
 */

#ifndef NL_MOVE_CELL_H
#define NL_MOVE_CELL_H

#include "nel/misc/types_nl.h"


namespace NLPACS
{

class CMoveElement;

class CMoveCell
{
public:

    CMoveCell();

    void linkFirstX (CMoveElement *element)
    {
        linkX (NULL, element, _FirstX);
    }

    void linkLastX (CMoveElement *element)
    {
        linkX (_LastX, element, NULL);
    }

    /*/// Update sorted lists for an element
    void linkFirstY (CMoveElement *element)
    {
        linkY (NULL, element, _FirstY);
    }

    void linkLastY (CMoveElement *element)
    {
        linkY (_LastY, element, NULL);
    }*/

    void updateSortedLists (CMoveElement *element, uint8 worldImage);

    // Link / unlink method
    void unlinkX (CMoveElement *element);

    // Link / unlink method
    //void unlinkY (CMoveElement *element);

    // Get first X
    CMoveElement    *getFirstX () const
    {
        return _FirstX;
    }

    // Get last X
    CMoveElement    *getLastX () const
    {
        return _LastX;
    }

    // Get root X
    CMoveElement        *getRootX ()
    {
        return _FirstX;
    }

private:

    // Link / unlink method
    void linkX (CMoveElement *previous, CMoveElement *element, CMoveElement *next);

    // Link / unlink method
    //void linkY (CMoveElement *previous, CMoveElement *element, CMoveElement *next);

    CMoveElement        *_FirstX;
    CMoveElement        *_LastX;
    /*CMoveElement      *_FirstY;
    CMoveElement        *_LastY;*/
};


} // NLPACS


#endif // NL_MOVE_CELL_H

/* End of move_cell.h */