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/*
* ksokoban - a Sokoban game for TDE
* Copyright (C) 1998 Anders Widell <[email protected]>
*
* 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.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef PATHFINDER_H
#define PATHFINDER_H
#include "Map.h"
class Move;
#define PATH_WALL 32767
class PathFinder {
public:
Move *search (Map *_map, int _x, int _y);
Move* drag(int x1, int y1, int x2, int y2);
bool canDrag(int x, int y) const;
bool canWalkTo(int x, int y) const;
bool canDragTo(int x, int y) const;
void updatePossibleMoves();
void updatePossibleDestinations(int x, int y);
protected:
//static const int PATH_WALL=32767;
int dist[MAX_Y+1][MAX_X+1];
void BFS (int _x, int _y);
};
#endif /* PATHFINDER_H */
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