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