Function UnreserveRailTrack

src/pbs.cpp:144–187

* Lift the reservation of a specific track on a tile * @param tile the tile * @param t the track */

 * @param t the track
 */
void UnreserveRailTrack(TileIndex tile, Track t)
{
	assert(HasTrack(TrackStatusToTrackBits(GetTileTrackStatus(tile, TRANSPORT_RAIL, 0)), t));

	if (_settings_client.gui.show_track_reservation) {
		if (IsBridgeTile(tile)) {
			MarkBridgeDirty(tile);
		} else {
			MarkTileDirtyByTile(tile);
		}
	}

	switch (GetTileType(tile)) {
		case MP_RAILWAY:
			if (IsRailDepot(tile)) {
				SetDepotReservation(tile, false);
				MarkTileDirtyByTile(tile);
				break;
			}
			if (IsPlainRail(tile)) UnreserveTrack(tile, t);
			break;

		case MP_ROAD:
			if (IsLevelCrossing(tile)) {
				SetCrossingReservation(tile, false);
				UpdateLevelCrossing(tile);
			}
			break;

		case MP_STATION:
			if (HasStationRail(tile)) {
				SetRailStationReservation(tile, false);
				MarkTileDirtyByTile(tile);
			}
			break;

		case MP_TUNNELBRIDGE:
			if (GetTunnelBridgeTransportType(tile) == TRANSPORT_RAIL) SetTunnelBridgeReservation(tile, false);
			break;

		default:
			break;
	}
}


/** Follow a reservation starting from a specific tile to the end. */