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/* $Id$ */
#ifndef YAPF_H
#define YAPF_H
#include "../debug.h"
Trackdir YapfChooseShipTrack(Vehicle *v, TileIndex tile, DiagDirection enterdir, TrackBits tracks);
Trackdir YapfChooseRoadTrack(Vehicle *v, TileIndex tile, DiagDirection enterdir);
Trackdir YapfChooseRailTrack(Vehicle *v, TileIndex tile, DiagDirection enterdir, TrackdirBits trackdirs);
uint YapfRoadVehDistanceToTile(const Vehicle* v, TileIndex tile);
Depot* YapfFindNearestRoadDepot(const Vehicle *v);
bool YapfFindNearestRailDepotTwoWay(Vehicle *v, int max_distance, int reverse_penalty, TileIndex* depot_tile, bool* reversed);
bool YapfCheckReverseTrain(Vehicle* v);
void YapfNotifyTrackLayoutChange(TileIndex tile, Track track);
void* NpfBeginInterval(void);
int NpfEndInterval(void* perf);
extern int _aystar_stats_open_size;
extern int _aystar_stats_closed_size;
/** Base struct for track followers. */
typedef struct FollowTrack_t
{
const Vehicle* m_veh;
TileIndex m_old_tile;
Trackdir m_old_td;
TileIndex m_new_tile;
TrackdirBits m_new_td_bits;
DiagDirection m_exitdir;
bool m_is_tunnel;
bool m_is_bridge;
bool m_is_station;
int m_tiles_skipped;
} FollowTrack_t;
/** track followers */
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);
enum {
YAPF_TILE_LENGTH = 100,
YAPF_TILE_CORNER_LENGTH = 71
};
#endif /* YAPF_H */
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