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game.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_GAME_INC_GUARD_H
#define EASYSOK_GAME_INC_GUARD_H


#include <deque>
#include <vector>

#include <qobject.h>
#include <qpoint.h>

#include "map.h"
#include "map_widget.h"
#include "move.h"
#include "movements.h"

class AtomicMove;
class QTimer;




class Game : public QObject
{
    Q_OBJECT

public:

    Game(Map * map, Movements const & moves);


    void setMapAndMoves(Map * map, Movements const & moves);


    bool retroMode() const;


    bool setRetroMode(bool retro_mode);


    bool tryMove(AtomicMove const & move);


    bool tryMove(Move const & move);


    bool tryPullMove(AtomicMove const & move);


    bool tryFarMove(AtomicMove const & move);


    void moveVirtualKeeper(AtomicMove const & move);


    bool canUndo() const;


    bool canRedo() const;


    int numberOfPushes() const;


    int numberOfMoves() const;


    int numberOfEmptyGoals() const;


    Movements const & moves() const;


    void setMoves(Movements const & moves);


    bool isSolved() const;


    bool showArrows() const;


    bool honorDeadlocks() const;


    int animation() const;


    AtomicMove::AtomicMoveType keeperDirection() const;


    void configChanged();


    void setShowArrows(bool show);


    void setHonorDeadlock(bool honor_deadlocks);


    void setAnimation(int animation);


    void emptyMoveQueue();


    bool tryMoveKeeper(QPoint const & from, QPoint const & to);


    bool tryMoveGem(QPoint const & from, QPoint const & to);


    void jumpToStart();


    void jumpToEnd();


    bool tryUndo();


    bool tryRedo();


    void playMoves(bool from_start);


    void forceUpdate();


    void preventUpdate(bool prevent_update);


signals:

    void wasSolved();


    void wasUnsolved();


    void wasSolvedByHand();


    void mapChanged();


    void arrowsChanged(std::vector<Move> const &arrows);


    void keeperDirectionChanged(AtomicMove::AtomicMoveType direction);


    void virtualKeeperChanged(const QPoint & position);


private slots:

    void processMoveQueue();


private:

    void removeVirtualKeeper();


    void undo();


    void redo();


    void doMove(Move const & move);


    void doAtomicMoves(Movements const & moves);


    void doMoves(Movements const & moves);


    void doUndoMove(Move const & move);


    void addToMoveQueue(Move const & move);


    void processMove();


    void calcArrows();


    Movements simplifyMove(Move const & move, Map const * map) const;


    Movements simplifyUndoMove(Move const & move, Map const * map) const;


    bool isDeadlockField(QPoint const & position) const;


    bool isDeadlockField(int index) const;


    void makeEndMap();


    Map * m_map;


    int m_width;


    int m_height;


    int m_size;


    int m_xy_offsets[4];


    Movements m_moves;


    std::deque<Move> m_move_queue;


    bool m_undo_moves;


    bool m_handmade_moves;


    bool m_no_update;


    bool m_is_solved;


    int m_number_of_moves;


    int m_number_of_pushes;


    bool m_show_arrows;


    bool m_honor_deadlocks;


    AtomicMove::AtomicMoveType m_keeper_direction;


    QPoint m_virtual_keeper;


    bool m_wrap_virtual_keeper;


    QTimer * m_timer;


    int m_animation;


    bool m_retro_mode;


    Map m_backup_map;


    Movements m_backup_moves;


    bool m_prevent_update;


    bool m_in_play;


    static int s_fast_time;


    static int s_normal_time;


    static int s_slow_time;
};


#endif

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