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/*
* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file transport_type.h Base types related to transport. */
#ifndef TRANSPORT_TYPE_H
#define TRANSPORT_TYPE_H
#include "core/enum_type.hpp"
/** Type for the company global vehicle unit number. */
typedef uint16 UnitID;
/** Available types of transport */
enum TransportType {
/* These constants are for now linked to the representation of bridges
* and tunnels, so they can be used by GetTileTrackStatus_TunnelBridge.
* In an ideal world, these constants would be used everywhere when
* accessing tunnels and bridges. For now, you should just not change
* the values for road and rail.
*/
TRANSPORT_BEGIN = 0, ///< Begin of the iterator.
TRANSPORT_RAIL = TRANSPORT_BEGIN, ///< Transport by train
TRANSPORT_ROAD, ///< Transport by road vehicle
TRANSPORT_WATER, ///< Transport over water
TRANSPORT_AIR, ///< Transport through air
TRANSPORT_END, ///< End of iterations.
INVALID_TRANSPORT = 0xff, ///< Sentinel for invalid transport types.
};
/** Helper information for extract tool. */
template <> struct EnumPropsT<TransportType> : MakeEnumPropsT<TransportType, byte, TRANSPORT_BEGIN, TRANSPORT_END, INVALID_TRANSPORT, 2> {};
#endif /* TRANSPORT_TYPE_H */
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