Function CmdBuildAircraft

src/aircraft_cmd.cpp:269–394

* Build an aircraft. * @param flags type of operation. * @param tile tile of the depot where aircraft is built. * @param e the engine to build. * @param[out] ret the vehicle that has been built. * @return the cost of this operation or an error. */

 * @return the cost of this operation or an error.
 */
CommandCost CmdBuildAircraft(DoCommandFlags flags, TileIndex tile, const Engine *e, Vehicle **ret)
{
	const AircraftVehicleInfo *avi = &e->VehInfo<AircraftVehicleInfo>();
	const Station *st = Station::GetByTile(tile);

	/* Prevent building aircraft types at places which can't handle them */
	if (!CanVehicleUseStation(e->index, st)) return CMD_ERROR;

	/* Make sure all aircraft end up in the first tile of the hangar. */
	tile = st->airport.GetHangarTile(st->airport.GetHangarNum(tile));

	if (flags.Test(DoCommandFlag::Execute)) {
		Aircraft *v = new Aircraft(); // aircraft
		Aircraft *u = new Aircraft(); // shadow
		*ret = v;

		v->direction = DIR_SE;

		v->owner = u->owner = _current_company;

		v->tile = tile;

		uint x = TileX(tile) * TILE_SIZE + 5;
		uint y = TileY(tile) * TILE_SIZE + 3;

		v->x_pos = u->x_pos = x;
		v->y_pos = u->y_pos = y;

		u->z_pos = GetSlopePixelZ(x, y);
		v->z_pos = u->z_pos + 1;

		v->vehstatus = {VehState::Hidden, VehState::Stopped, VehState::DefaultPalette};
		u->vehstatus = {VehState::Hidden, VehState::Unclickable, VehState::Shadow};

		v->spritenum = avi->image_index;

		v->cargo_cap = avi->passenger_capacity;
		v->refit_cap = 0;
		u->refit_cap = 0;

		v->cargo_type = e->GetDefaultCargoType();
		assert(IsValidCargoType(v->cargo_type));

		CargoType mail = GetCargoTypeByLabel(CT_MAIL);
		if (IsValidCargoType(mail)) {
			u->cargo_type = mail;
			u->cargo_cap = avi->mail_capacity;
		}

		v->name.clear();
		v->last_station_visited = StationID::Invalid();
		v->last_loading_station = StationID::Invalid();

		v->acceleration = avi->acceleration;
		v->engine_type = e->index;
		u->engine_type = e->index;

		v->subtype = (avi->subtype & AIR_CTOL ? AIR_AIRCRAFT : AIR_HELICOPTER);