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/* $Id$ */

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/** @file vehicle_type.h Types related to vehicles. */

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#ifndef VEHICLE_TYPE_H

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#define VEHICLE_TYPE_H

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#include "core/enum_type.hpp"

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typedef uint16 VehicleID;

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enum VehicleType {

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	VEH_TRAIN,

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	VEH_ROAD,

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	VEH_SHIP,

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	VEH_AIRCRAFT,

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	VEH_EFFECT,

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	VEH_DISASTER,

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	VEH_END,

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	VEH_INVALID = 0xFF,

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};

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DECLARE_POSTFIX_INCREMENT(VehicleType);

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template <> struct EnumPropsT<VehicleType> : MakeEnumPropsT<VehicleType, byte, VEH_TRAIN, VEH_END, VEH_INVALID> {};

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typedef TinyEnumT<VehicleType> VehicleTypeByte;

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struct Vehicle;

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struct BaseVehicle

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{

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	VehicleTypeByte type;    ///< Type of vehicle

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	/**

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	 * Is this vehicle a valid vehicle?

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	 * @return true if and only if the vehicle is valid.

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	 */

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	inline bool IsValid() const { return this->type != VEH_INVALID; }

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};

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static const VehicleID INVALID_VEHICLE = 0xFFFF;

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/** Pathfinding option states */

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enum {

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	VPF_OPF  = 0, ///< The Original PathFinder

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	VPF_NTP  = 0, ///< New Train Pathfinder, replacing OPF for trains

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	VPF_NPF  = 1, ///< New PathFinder

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	VPF_YAPF = 2, ///< Yet Another PathFinder

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};

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/* Flags to add to p2 for goto depot commands */

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/* Note: bits 8-10 are used for VLW flags */

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enum DepotCommand {

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	DEPOT_SERVICE       = (1 << 0), ///< The vehicle will leave the depot right after arrival (serivce only)

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	DEPOT_MASS_SEND     = (1 << 1), ///< Tells that it's a mass send to depot command (type in VLW flag)

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	DEPOT_DONT_CANCEL   = (1 << 2), ///< Don't cancel current goto depot command if any

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	DEPOT_LOCATE_HANGAR = (1 << 3), ///< Find another airport if the target one lacks a hangar

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	DEPOT_COMMAND_MASK  = 0xF,

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};

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#endif /* VEHICLE_TYPE_H */