transport_type.h

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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 <https://www.gnu.org/licenses/old-licenses/gpl-2.0>.
 */

 
#ifndef TRANSPORT_TYPE_H
#define TRANSPORT_TYPE_H

typedef uint16_t UnitID;

enum class TransportType : uint8_t {
  /* 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.
   */
  Rail, 
  Road, 
  Water, 
  Air, 
  Invalid = 0xFF, 
};
 
#endif /* TRANSPORT_TYPE_H */