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45 lines
1.1 KiB
45 lines
1.1 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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#pragma once |
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#include <SDL.h> |
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#include "engine.h" |
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namespace devilution { |
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#define MAX_PATH_LENGTH 25 |
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struct PATHNODE { |
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uint8_t f; |
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uint8_t h; |
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uint8_t g; |
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Point position; |
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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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}; |
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int FindPath(bool (*PosOk)(int, Point), int PosOkArg, int sx, int sy, int dx, int dy, int8_t 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, Point), 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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} // namespace devilution
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