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65 lines
1.7 KiB
65 lines
1.7 KiB
/*
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* ksokoban - a Sokoban game for TDE
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* Copyright (C) 1998 Anders Widell <awl@hem.passagen.se>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef HISTORY_H
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#define HISTORY_H
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#include <tqptrlist.h>
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#include <tqstring.h>
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#include "Move.h"
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class MoveSequence;
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/**
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* Maintains movement history
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*
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* @short Maintains game movement history
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* @author Anders Widell <d95-awi@nada.kth.se>
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* @version 0.1
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* @see PlayField
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*/
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class History {
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private:
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TQPtrList<Move> past_;
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TQPtrList<Move> future_;
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protected:
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public:
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History();
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/**
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* Add a move to the history. Deletes all currently undone moves.
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*/
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void add(Move *_m);
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/**
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* Clear the history and delete all Move objects stored in it.
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*/
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void clear();
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void save(TQString &_str);
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const char *load(LevelMap *map, const char *_str);
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bool redo(LevelMap *map);
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MoveSequence *deferRedo(LevelMap *map);
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bool undo(LevelMap *map);
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MoveSequence *deferUndo(LevelMap *map);
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};
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#endif /* HISTORY_H */
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