mirror of
https://github.com/JGRennison/OpenTTD-patches.git
synced 2024-11-02 09:40:35 +00:00
120 lines
5.7 KiB
C
120 lines
5.7 KiB
C
/* $Id$ */
|
|
|
|
#ifndef YAPF_H
|
|
#define YAPF_H
|
|
|
|
#include "../debug.h"
|
|
|
|
/** Finds the best path for given ship.
|
|
* @param v the ship that needs to find a path
|
|
* @param tile the tile to find the path from (should be next tile the ship is about to enter)
|
|
* @param enterdir diagonal direction which the ship will enter this new tile from
|
|
* @param tracks available tracks on the new tile (to choose from)
|
|
* @return the best trackdir for next turn or INVALID_TRACKDIR if the path could not be found
|
|
*/
|
|
Trackdir YapfChooseShipTrack(Vehicle *v, TileIndex tile, DiagDirection enterdir, TrackBits tracks);
|
|
|
|
/** Finds the best path for given road vehicle.
|
|
* @param v the RV that needs to find a path
|
|
* @param tile the tile to find the path from (should be next tile the RV is about to enter)
|
|
* @param enterdir diagonal direction which the RV will enter this new tile from
|
|
* @param tracks available tracks on the new tile (to choose from)
|
|
* @return the best trackdir for next turn or INVALID_TRACKDIR if the path could not be found
|
|
*/
|
|
Trackdir YapfChooseRoadTrack(Vehicle *v, TileIndex tile, DiagDirection enterdir);
|
|
|
|
/** Finds the best path for given train.
|
|
* @param v the train that needs to find a path
|
|
* @param tile the tile to find the path from (should be next tile the train is about to enter)
|
|
* @param enterdir diagonal direction which the RV will enter this new tile from
|
|
* @param trackdirs available trackdirs on the new tile (to choose from)
|
|
* @param no_path_found [out] true is returned if no path can be found (returned Trackdir is only a 'guess')
|
|
* @return the best trackdir for next turn or INVALID_TRACKDIR if the path could not be found
|
|
*/
|
|
Trackdir YapfChooseRailTrack(Vehicle *v, TileIndex tile, DiagDirection enterdir, TrackdirBits trackdirs, bool *path_not_found);
|
|
|
|
/** Used by RV multistop feature to find the nearest road stop that has a free slot.
|
|
* @param v RV (its current tile will be the origin)
|
|
* @param tile destination tile
|
|
* @return distance from origin tile to the destination (number of road tiles) or UINT_MAX if path not found
|
|
*/
|
|
uint YapfRoadVehDistanceToTile(const Vehicle* v, TileIndex tile);
|
|
|
|
/** Used when user sends RV to the nearest depot or if RV needs servicing.
|
|
* Returns the nearest depot (or NULL if depot was not found).
|
|
*/
|
|
Depot* YapfFindNearestRoadDepot(const Vehicle *v);
|
|
|
|
/** Used when user sends train to the nearest depot or if train needs servicing.
|
|
* @v train that needs to go to some depot
|
|
* @max_distance max distance (number of track tiles) from the current train position
|
|
* (used also as optimization - the pathfinder can stop path finding if max_distance
|
|
* was reached and no depot was seen)
|
|
* @reverse_penalty penalty that should be added for the path that requires reversing the train first
|
|
* @depot_tile receives the depot tile if depot was found
|
|
* @reversed receives true if train needs to reversed first
|
|
* @return the true if depot was found.
|
|
*/
|
|
bool YapfFindNearestRailDepotTwoWay(Vehicle *v, int max_distance, int reverse_penalty, TileIndex* depot_tile, bool* reversed);
|
|
|
|
/** Returns true if it is better to reverse the train before leaving station */
|
|
bool YapfCheckReverseTrain(Vehicle* v);
|
|
|
|
/** Use this function to notify YAPF that track layout (or signal configuration) has change */
|
|
void YapfNotifyTrackLayoutChange(TileIndex tile, Track track);
|
|
|
|
/** performance measurement helpers */
|
|
void* NpfBeginInterval(void);
|
|
int NpfEndInterval(void* perf);
|
|
|
|
|
|
extern int _aystar_stats_open_size;
|
|
extern int _aystar_stats_closed_size;
|
|
|
|
|
|
/** Track followers. They should help whenever any new code will need to walk through
|
|
* tracks, road or water tiles (pathfinders, signal controllers, vehicle controllers).
|
|
* It is an attempt to introduce API that should simplify tasks listed above.
|
|
* If you will need to use it:
|
|
* 1. allocate/declare FollowTrack_t structure;
|
|
* 2. call FollowTrackInit() and provide vehicle (if relevant)
|
|
* 3. call one of 6 FollowTrackXxxx() APIs below
|
|
* 4. check return value (if true then continue else stop)
|
|
* 5. look at FollowTrack_t structure for the result
|
|
* 6. optionally repeat steps 3..5
|
|
* 7. in case of troubles contact KUDr
|
|
*/
|
|
|
|
/** Base struct for track followers. */
|
|
typedef struct FollowTrack_t
|
|
{
|
|
const Vehicle* m_veh; ///< moving vehicle
|
|
TileIndex m_old_tile; ///< the origin (vehicle moved from) before move
|
|
Trackdir m_old_td; ///< the trackdir (the vehicle was on) before move
|
|
TileIndex m_new_tile; ///< the new tile (the vehicle has entered)
|
|
TrackdirBits m_new_td_bits; ///< the new set of available trackdirs
|
|
DiagDirection m_exitdir; ///< exit direction (leaving the old tile)
|
|
bool m_is_tunnel; ///< last turn passed tunnel
|
|
bool m_is_station; ///< last turn passed station
|
|
int m_tiles_skipped; ///< number of skipped tunnel or station tiles
|
|
} FollowTrack_t;
|
|
|
|
/** Initializes FollowTrack_t structure */
|
|
void FollowTrackInit(FollowTrack_t *This, const Vehicle* v);
|
|
|
|
/** Main track follower routines */
|
|
bool FollowTrackWater (FollowTrack_t *This, TileIndex old_tile, Trackdir old_td);
|
|
bool FollowTrackRoad (FollowTrack_t *This, TileIndex old_tile, Trackdir old_td);
|
|
bool FollowTrackRail (FollowTrack_t *This, TileIndex old_tile, Trackdir old_td);
|
|
bool FollowTrackWaterNo90(FollowTrack_t *This, TileIndex old_tile, Trackdir old_td);
|
|
bool FollowTrackRoadNo90 (FollowTrack_t *This, TileIndex old_tile, Trackdir old_td);
|
|
bool FollowTrackRailNo90 (FollowTrack_t *This, TileIndex old_tile, Trackdir old_td);
|
|
|
|
/** Base tile length units */
|
|
enum {
|
|
YAPF_TILE_LENGTH = 100,
|
|
YAPF_TILE_CORNER_LENGTH = 71
|
|
};
|
|
|
|
#endif /* YAPF_H */
|