rubidium@10455: /* $Id$ */
rubidium@10455: 
rubidium@10455: /** @file transport_type.h Base types related to transport. */
rubidium@10455: 
rubidium@10455: #ifndef TRANSPORT_TYPE_H
rubidium@10455: #define TRANSPORT_TYPE_H
rubidium@10455: 
rubidium@10455: typedef uint16 UnitID;
rubidium@10455: 
rubidium@10455: enum TransportType {
rubidium@10455: 	/* These constants are for now linked to the representation of bridges
rubidium@10455: 	 * and tunnels, so they can be used by GetTileTrackStatus_TunnelBridge.
rubidium@10455: 	 * In an ideal world, these constants would be used everywhere when
rubidium@10455: 	 * accessing tunnels and bridges. For now, you should just not change
rubidium@10455: 	 * the values for road and rail.
rubidium@10455: 	 */
rubidium@10455: 	TRANSPORT_BEGIN = 0,
rubidium@10455: 	TRANSPORT_RAIL = TRANSPORT_BEGIN,
rubidium@10455: 	TRANSPORT_ROAD,
rubidium@10455: 	TRANSPORT_WATER,
rubidium@10455: 	TRANSPORT_AIR,
rubidium@10455: 	TRANSPORT_END,
rubidium@10455: 	INVALID_TRANSPORT = 0xff,
rubidium@10455: };
rubidium@10455: 
rubidium@10455: #endif /* TRANSPORT_TYPE_H */