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/**
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* @file path.h
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*
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* Interface of the path finding algorithms.
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*/
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#ifndef __PATH_H__
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#define __PATH_H__
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int FindPath(BOOL (*PosOk)(int, int, int), int PosOkArg, int sx, int sy, int dx, int dy, char *path);
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int path_get_h_cost(int sx, int sy, int dx, int dy);
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PATHNODE *GetNextPath();
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BOOL path_get_path(BOOL (*PosOk)(int, int, int), int PosOkArg, PATHNODE *pPath, int x, int y);
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BOOL path_parent_path(PATHNODE *pPath, int dx, int dy, int sx, int sy);
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PATHNODE *path_get_node1(int dx, int dy);
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PATHNODE *path_get_node2(int dx, int dy);
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void path_next_node(PATHNODE *pPath);
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void path_set_coords(PATHNODE *pPath);
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void path_push_active_step(PATHNODE *pPath);
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PATHNODE *path_pop_active_step();
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PATHNODE *path_new_step();
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#endif /* __PATH_H__ */
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