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move.h

/*
 *   EasySok --- A(nother) sokoban game for KDE.
 *
 *   Copyright (C) 2001 by Ralf Schmelter (ralfs@pc2a.chemie.uni-dortmund.de).
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License version 2 as
 *   published by the Free Software Foundation.
 *
 *   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., 675 Mass Ave, Cambridge, MA 02139, USA.
 */


#ifndef EASYSOK_MOVE_INC_GUARD_H
#define EASYSOK_MOVE_INC_GUARD_H


#include <qpoint.h>
#include <qstring.h>

#include "atomic_move.h"


class QDataStream;




class Move
{

public:

    Move();


    Move(QPoint from, AtomicMove atomic_move, bool stone_pushed);


    Move(QPoint from, QPoint to, bool stone_pushed);


    Move(QDataStream & stream);


    bool isEmpty() const;


    QPoint from() const;


    QPoint to() const;


    bool stonePushed() const;


    bool isAtomicMove() const;


    AtomicMove atomicMove() const;


    bool operator == (Move const & other_move) const;


    bool operator != (Move const & other_move) const;


    QPoint diff() const;


    QPoint diffSign() const;


    void reverse();


    QString toText() const;


    void writeToStream(QDataStream & stream) const;


private:

    int sign(int number) const;


    QPoint m_from;


    QPoint m_to;


    bool m_stone_pushed;
};


#endif

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