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(svn r2635) Fix: [ntp/misc] Improve the old pathfinder. Changed it to A* instead of Dijkstra.

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- Benchmark shows that NTP is now around 10x faster than NPF.
  - Made IsTunnelTile macro to determine if a tile is a tunnel.
  - Added some useful debugging functions for making tiles red / getting accurate timestamps.
  - Remove old depot finding algorithm.
  - Disable warning for signed/unsigned comparisons.
This commit is contained in:
ludde
2005-07-19 11:42:40 +00:00
parent 29f6ada06a
commit 3e97dda275
13 changed files with 340 additions and 286 deletions
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3
pathfind.h
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@@ -8,6 +8,7 @@ typedef struct TrackPathFinder TrackPathFinder;
typedef bool TPFEnumProc(TileIndex tile, void *data, int track, uint length, byte *state);
typedef void TPFAfterProc(TrackPathFinder *tpf);
typedef bool NTPEnumProc(TileIndex tile, void *data, int track, uint length);
#define PATHFIND_GET_LINK_OFFS(tpf, link) ((byte*)(link) - (byte*)tpf->links)
#define PATHFIND_GET_LINK_PTR(tpf, link_offs) (TrackPathFinderLink*)((byte*)tpf->links + (link_offs))
@@ -63,6 +64,6 @@ typedef struct {
} FindLengthOfTunnelResult;
FindLengthOfTunnelResult FindLengthOfTunnel(TileIndex tile, int direction);
void NewTrainPathfind(TileIndex tile, byte direction, TPFEnumProc *enum_proc, void *data, byte *cache);
void NewTrainPathfind(TileIndex tile, TileIndex dest, byte direction, NTPEnumProc *enum_proc, void *data);
#endif /* PATHFIND_H */