diff options
Diffstat (limited to 'src/pbs.h')
| -rw-r--r-- | src/pbs.h | 15 |
1 files changed, 15 insertions, 0 deletions
@@ -8,6 +8,7 @@ #include "tile_type.h" #include "direction_type.h" #include "track_type.h" +#include "vehicle_type.h" TrackBits GetReservedTrackbits(TileIndex t); @@ -16,6 +17,20 @@ void SetRailwayStationPlatformReservation(TileIndex start, DiagDirection dir, bo bool TryReserveRailTrack(TileIndex tile, Track t); void UnreserveRailTrack(TileIndex tile, Track t); +/** This struct contains information about the end of a reserved path. */ +struct PBSTileInfo { + TileIndex tile; ///< Tile the path ends, INVALID_TILE if no valid path was found. + Trackdir trackdir; ///< The reserved trackdir on the tile. + bool okay; ///< True if tile is a safe wairing position, false otherwise. + + PBSTileInfo() : tile(INVALID_TILE), trackdir(INVALID_TRACKDIR), okay(false) {} + PBSTileInfo(TileIndex _t, Trackdir _td, bool _okay) : tile(_t), trackdir(_td), okay(_okay) {} +}; + +PBSTileInfo FollowTrainReservation(const Vehicle *v); +bool IsSafeWaitingPosition(const Vehicle *v, TileIndex tile, Trackdir trackdir, bool include_line_end, bool forbid_90deg = false); +bool IsWaitingPositionFree(const Vehicle *v, TileIndex tile, Trackdir trackdir, bool forbid_90deg = false); + /** * Check whether some of tracks is reserved on a tile. * |