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50 lines
1.2 KiB
50 lines
1.2 KiB
/** |
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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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DEVILUTION_BEGIN_NAMESPACE |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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typedef struct PATHNODE { |
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Uint8 f; |
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Uint8 h; |
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Uint8 g; |
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int x; |
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int y; |
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struct PATHNODE *Parent; |
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struct PATHNODE *Child[8]; |
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struct PATHNODE *NextNode; |
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} PATHNODE; |
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int FindPath(BOOL (*PosOk)(int, int, int), int PosOkArg, int sx, int sy, int dx, int dy, Sint8 path[MAX_PATH_LENGTH]); |
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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_solid_pieces(PATHNODE *pPath, int dx, int dy); |
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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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/* rdata */ |
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extern const char pathxdir[8]; |
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extern const char pathydir[8]; |
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#ifdef __cplusplus |
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} |
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#endif |
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DEVILUTION_END_NAMESPACE |
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#endif /* __PATH_H__ */
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