author | belugas |
Wed, 18 Apr 2007 00:41:09 +0000 | |
changeset 6484 | 79156627e1ba |
parent 6248 | e4a2ed7e5613 |
child 7211 | ebabbe55f70e |
permissions | -rw-r--r-- |
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/* $Id$ */ |
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/** @file yapf.h */ |
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#ifndef YAPF_H |
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#define YAPF_H |
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#include "../debug.h" |
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/** Finds the best path for given ship. |
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* @param v the ship that needs to find a path |
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* @param tile the tile to find the path from (should be next tile the ship is about to enter) |
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* @param enterdir diagonal direction which the ship will enter this new tile from |
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* @param tracks available tracks on the new tile (to choose from) |
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* @return the best trackdir for next turn or INVALID_TRACKDIR if the path could not be found |
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*/ |
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Trackdir YapfChooseShipTrack(Vehicle *v, TileIndex tile, DiagDirection enterdir, TrackBits tracks); |
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/** Finds the best path for given road vehicle. |
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* @param v the RV that needs to find a path |
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* @param tile the tile to find the path from (should be next tile the RV is about to enter) |
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* @param enterdir diagonal direction which the RV will enter this new tile from |
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* @return the best trackdir for next turn or INVALID_TRACKDIR if the path could not be found |
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*/ |
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Trackdir YapfChooseRoadTrack(Vehicle *v, TileIndex tile, DiagDirection enterdir); |
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/** Finds the best path for given train. |
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* @param v the train that needs to find a path |
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* @param tile the tile to find the path from (should be next tile the train is about to enter) |
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* @param enterdir diagonal direction which the RV will enter this new tile from |
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* @param tracks available trackdirs on the new tile (to choose from) |
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* @param path_not_found [out] true is returned if no path can be found (returned Trackdir is only a 'guess') |
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* @return the best trackdir for next turn or INVALID_TRACKDIR if the path could not be found |
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*/ |
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Trackdir YapfChooseRailTrack(Vehicle *v, TileIndex tile, DiagDirection enterdir, TrackBits tracks, bool *path_not_found); |
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/** Used by RV multistop feature to find the nearest road stop that has a free slot. |
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* @param v RV (its current tile will be the origin) |
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* @param tile destination tile |
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* @return distance from origin tile to the destination (number of road tiles) or UINT_MAX if path not found |
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*/ |
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uint YapfRoadVehDistanceToTile(const Vehicle* v, TileIndex tile); |
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/** Used when user sends RV to the nearest depot or if RV needs servicing. |
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* Returns the nearest depot (or NULL if depot was not found). |
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*/ |
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Depot* YapfFindNearestRoadDepot(const Vehicle *v); |
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/** Used when user sends train to the nearest depot or if train needs servicing. |
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* @param v train that needs to go to some depot |
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* @param max_distance max distance (number of track tiles) from the current train position |
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* (used also as optimization - the pathfinder can stop path finding if max_distance |
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* was reached and no depot was seen) |
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* @param reverse_penalty penalty that should be added for the path that requires reversing the train first |
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* @param depot_tile receives the depot tile if depot was found |
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* @param reversed receives true if train needs to reversed first |
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* @return the true if depot was found. |
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*/ |
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bool YapfFindNearestRailDepotTwoWay(Vehicle *v, int max_distance, int reverse_penalty, TileIndex* depot_tile, bool* reversed); |
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/** Returns true if it is better to reverse the train before leaving station */ |
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bool YapfCheckReverseTrain(Vehicle* v); |
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/** Use this function to notify YAPF that track layout (or signal configuration) has change */ |
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void YapfNotifyTrackLayoutChange(TileIndex tile, Track track); |
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/** performance measurement helpers */ |
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void* NpfBeginInterval(); |
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int NpfEndInterval(void* perf); |
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extern int _aystar_stats_open_size; |
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extern int _aystar_stats_closed_size; |
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/** Track followers. They should help whenever any new code will need to walk through |
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* tracks, road or water tiles (pathfinders, signal controllers, vehicle controllers). |
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* It is an attempt to introduce API that should simplify tasks listed above. |
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* If you will need to use it: |
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* 1. allocate/declare FollowTrack_t structure; |
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* 2. call FollowTrackInit() and provide vehicle (if relevant) |
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* 3. call one of 6 FollowTrackXxxx() APIs below |
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* 4. check return value (if true then continue else stop) |
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* 5. look at FollowTrack_t structure for the result |
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* 6. optionally repeat steps 3..5 |
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* 7. in case of troubles contact KUDr |
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*/ |
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/** Base struct for track followers. */ |
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struct FollowTrack_t |
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{ |
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const Vehicle* m_veh; ///< moving vehicle |
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TileIndex m_old_tile; ///< the origin (vehicle moved from) before move |
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Trackdir m_old_td; ///< the trackdir (the vehicle was on) before move |
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TileIndex m_new_tile; ///< the new tile (the vehicle has entered) |
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TrackdirBits m_new_td_bits; ///< the new set of available trackdirs |
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DiagDirection m_exitdir; ///< exit direction (leaving the old tile) |
d67a579a5452
(svn r6245) -Add: added comments for all YAPF C interface functions (yapf.h) used by other modules, added FollowTrackInit() into YAPF track followers.
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98 |
bool m_is_tunnel; ///< last turn passed tunnel |
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(svn r7573) -Merged the bridge branch. Allows to build bridges of arbitrary rail/road combinations (including signals)
celestar
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99 |
bool m_is_bridge; ///< last turn passed bridge ramp |
4462
d67a579a5452
(svn r6245) -Add: added comments for all YAPF C interface functions (yapf.h) used by other modules, added FollowTrackInit() into YAPF track followers.
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100 |
bool m_is_station; ///< last turn passed station |
d67a579a5452
(svn r6245) -Add: added comments for all YAPF C interface functions (yapf.h) used by other modules, added FollowTrackInit() into YAPF track followers.
KUDr
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101 |
int m_tiles_skipped; ///< number of skipped tunnel or station tiles |
6248
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(svn r9051) -Codechange: typedef [enum|struct] Y {} X; -> [enum|struct] X {};
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102 |
}; |
3900
2c84ed52709d
(svn r4987) Feature: Merged YAPF into trunk. Thanks to devs for continuous support and users for testing.
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changeset
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103 |
|
4462
d67a579a5452
(svn r6245) -Add: added comments for all YAPF C interface functions (yapf.h) used by other modules, added FollowTrackInit() into YAPF track followers.
KUDr
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104 |
/** Initializes FollowTrack_t structure */ |
d67a579a5452
(svn r6245) -Add: added comments for all YAPF C interface functions (yapf.h) used by other modules, added FollowTrackInit() into YAPF track followers.
KUDr
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105 |
void FollowTrackInit(FollowTrack_t *This, const Vehicle* v); |
d67a579a5452
(svn r6245) -Add: added comments for all YAPF C interface functions (yapf.h) used by other modules, added FollowTrackInit() into YAPF track followers.
KUDr
parents:
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changeset
|
106 |
|
d67a579a5452
(svn r6245) -Add: added comments for all YAPF C interface functions (yapf.h) used by other modules, added FollowTrackInit() into YAPF track followers.
KUDr
parents:
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changeset
|
107 |
/** Main track follower routines */ |
3900
2c84ed52709d
(svn r4987) Feature: Merged YAPF into trunk. Thanks to devs for continuous support and users for testing.
KUDr
parents:
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changeset
|
108 |
bool FollowTrackWater (FollowTrack_t *This, TileIndex old_tile, Trackdir old_td); |
2c84ed52709d
(svn r4987) Feature: Merged YAPF into trunk. Thanks to devs for continuous support and users for testing.
KUDr
parents:
diff
changeset
|
109 |
bool FollowTrackRoad (FollowTrack_t *This, TileIndex old_tile, Trackdir old_td); |
2c84ed52709d
(svn r4987) Feature: Merged YAPF into trunk. Thanks to devs for continuous support and users for testing.
KUDr
parents:
diff
changeset
|
110 |
bool FollowTrackRail (FollowTrack_t *This, TileIndex old_tile, Trackdir old_td); |
2c84ed52709d
(svn r4987) Feature: Merged YAPF into trunk. Thanks to devs for continuous support and users for testing.
KUDr
parents:
diff
changeset
|
111 |
bool FollowTrackWaterNo90(FollowTrack_t *This, TileIndex old_tile, Trackdir old_td); |
2c84ed52709d
(svn r4987) Feature: Merged YAPF into trunk. Thanks to devs for continuous support and users for testing.
KUDr
parents:
diff
changeset
|
112 |
bool FollowTrackRoadNo90 (FollowTrack_t *This, TileIndex old_tile, Trackdir old_td); |
2c84ed52709d
(svn r4987) Feature: Merged YAPF into trunk. Thanks to devs for continuous support and users for testing.
KUDr
parents:
diff
changeset
|
113 |
bool FollowTrackRailNo90 (FollowTrack_t *This, TileIndex old_tile, Trackdir old_td); |
2c84ed52709d
(svn r4987) Feature: Merged YAPF into trunk. Thanks to devs for continuous support and users for testing.
KUDr
parents:
diff
changeset
|
114 |
|
4462
d67a579a5452
(svn r6245) -Add: added comments for all YAPF C interface functions (yapf.h) used by other modules, added FollowTrackInit() into YAPF track followers.
KUDr
parents:
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changeset
|
115 |
/** Base tile length units */ |
3900
2c84ed52709d
(svn r4987) Feature: Merged YAPF into trunk. Thanks to devs for continuous support and users for testing.
KUDr
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changeset
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116 |
enum { |
2c84ed52709d
(svn r4987) Feature: Merged YAPF into trunk. Thanks to devs for continuous support and users for testing.
KUDr
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|
117 |
YAPF_TILE_LENGTH = 100, |
2c84ed52709d
(svn r4987) Feature: Merged YAPF into trunk. Thanks to devs for continuous support and users for testing.
KUDr
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|
118 |
YAPF_TILE_CORNER_LENGTH = 71 |
2c84ed52709d
(svn r4987) Feature: Merged YAPF into trunk. Thanks to devs for continuous support and users for testing.
KUDr
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|
119 |
}; |
2c84ed52709d
(svn r4987) Feature: Merged YAPF into trunk. Thanks to devs for continuous support and users for testing.
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|
120 |
|
2c84ed52709d
(svn r4987) Feature: Merged YAPF into trunk. Thanks to devs for continuous support and users for testing.
KUDr
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|
121 |
#endif /* YAPF_H */ |