1 /* $Id$ */

     2 

     3 /** @file pbs.cpp */

     4 

     5 #include "stdafx.h"

     6 #include "openttd.h"

     7 #include "pbs.h"

     8 #include "rail_map.h"

     9 #include "road_map.h"

    10 #include "station_map.h"

    11 #include "tunnelbridge_map.h"

    12 

    13 /**

    14  * Get the reserved trackbits for any tile, regardless of type.

    15  * @param t the tile

    16  * @return the reserved trackbits. TRACK_BIT_NONE on nothing reserved or

    17  *     a tile without rail.

    18  */

    19 TrackBits GetReservedTrackbits(TileIndex t)

    20 {

    21 	switch (GetTileType(t)) {

    22 		case MP_RAILWAY:

    23 			if (IsRailWaypoint(t) || IsRailDepot(t)) return GetRailWaypointReservation(t);

    24 			if (IsPlainRailTile(t)) return GetTrackReservation(t);

    25 			break;

    26 

    27 		case MP_ROAD:

    28 			if (IsLevelCrossing(t)) return GetRailCrossingReservation(t);

    29 			break;

    30 

    31 		case MP_STATION:

    32 			if (IsRailwayStation(t)) return GetRailStationReservation(t);

    33 			break;

    34 

    35 		case MP_TUNNELBRIDGE:

    36 			if (GetTunnelBridgeTransportType(t) == TRANSPORT_RAIL) return GetRailTunnelBridgeReservation(t);

    37 			break;

    38 

    39 		default:

    40 			break;

    41 	}

    42 	return TRACK_BIT_NONE;

    43 }