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 <http://www.gnu.org/licenses/>.
 */
 
#ifndef TRANSPORT_TYPE_H
#define TRANSPORT_TYPE_H
 
#include "core/enum_type.hpp"
 
typedef uint16_t UnitID;
 
enum 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.
   */
  TRANSPORT_BEGIN = 0, 
  TRANSPORT_RAIL = TRANSPORT_BEGIN, 
  TRANSPORT_ROAD,  
  TRANSPORT_WATER, 
  TRANSPORT_AIR,   
  TRANSPORT_END,   
  INVALID_TRANSPORT = 0xff, 
};
 
#endif /* TRANSPORT_TYPE_H */