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Location: cpp/openttd-patchpack/source/pathfind.h - annotation
r3314:95a9020945e1
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(svn r4077) Add GetIndustry{Index,ByTile}() to get the industry index resp. the industry from a tile
r2186:5ee653b1b5e1 r2186:5ee653b1b5e1 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r3153:0f967897ff0f r3153:0f967897ff0f r1247:d01094dbcdcc r1247:d01094dbcdcc r1247:d01094dbcdcc r0:d63b455452f6 r1977:1f8b99c96041 r0:d63b455452f6 r0:d63b455452f6 r2125:87ebf6378cb6 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r926:fcf36609eb94 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r201:9dbb80b71da5 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r0:d63b455452f6 r3153:0f967897ff0f r0:d63b455452f6 r0:d63b455452f6 r1977:1f8b99c96041 r0:d63b455452f6 r0:d63b455452f6 r2493:a844eec5cb6b r0:d63b455452f6 r3153:0f967897ff0f r0:d63b455452f6 r0:d63b455452f6 | /* $Id$ */
#ifndef PATHFIND_H
#define PATHFIND_H
#include "direction.h"
//#define PF_BENCH // perform simple benchmarks on the train pathfinder (not
//supported on all archs)
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))
/* y7 y6 y5 y4 y3 y2 y1 y0 x7 x6 x5 x4 x3 x2 x1 x0
* y7 y6 y5 y4 y3 y2 y1 y0 x4 x3 x2 x1 x0 0 0 0
* 0 0 y7 y6 y5 y4 y3 y2 y1 y0 x4 x3 x2 x1 x0 0
* 0 0 0 0 y5 y4 y3 y2 y1 y0 x4 x3 x2 x1 x0 0
*/
#define PATHFIND_HASH_TILE(tile) (TileX(tile) & 0x1F) + ((TileY(tile) & 0x1F) << 5)
typedef struct TrackPathFinderLink {
TileIndex tile;
uint16 flags;
uint16 next;
} TrackPathFinderLink;
typedef struct RememberData {
uint16 cur_length;
byte depth;
byte pft_var6;
} RememberData;
struct TrackPathFinder {
int num_links_left;
TrackPathFinderLink *new_link;
TPFEnumProc *enum_proc;
void *userdata;
RememberData rd;
int the_dir;
byte tracktype;
byte var2;
bool disable_tile_hash;
bool hasbit_13;
uint16 hash_head[0x400];
TileIndex hash_tile[0x400]; /* stores the link index when multi link. */
TrackPathFinderLink links[0x400]; /* hopefully, this is enough. */
};
void FollowTrack(TileIndex tile, uint16 flags, DiagDirection direction, TPFEnumProc* enum_proc, TPFAfterProc* after_proc, void* data);
typedef struct {
TileIndex tile;
int length;
} FindLengthOfTunnelResult;
FindLengthOfTunnelResult FindLengthOfTunnel(TileIndex tile, uint direction);
void NewTrainPathfind(TileIndex tile, TileIndex dest, DiagDirection direction, NTPEnumProc* enum_proc, void* data);
#endif /* PATHFIND_H */
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