118 /**

   119  * This class 'wraps' Vehicle; you do not actually instantiate this class.

   120  * You create a Vehicle using AllocateVehicle, so it is added to the pool

   121  * and you reinitialize that to a Train using:

   122  *   v = new (v) Aircraft();

   123  *

   124  * As side-effect the vehicle type is set correctly.

   125  */

   126 struct Aircraft : public Vehicle {

   127 	/** Initializes the Vehicle to an aircraft */

   128 	Aircraft() { this->type = VEH_AIRCRAFT; }

   129 

   130 	/** We want to 'destruct' the right class. */

   131 	virtual ~Aircraft() {}

   132 

   133 	const char *GetTypeString() const { return "aircraft"; }

   134 	void MarkDirty();

   135 	void UpdateDeltaXY(Direction direction);

   136 	ExpensesType GetExpenseType(bool income) const { return income ? EXPENSES_AIRCRAFT_INC : EXPENSES_AIRCRAFT_RUN; }

   137 	WindowClass GetVehicleListWindowClass() const { return WC_AIRCRAFT_LIST; }

   138 };

   139