Method FreeChain

src/order_cmd.cpp:293–314

* Free a complete order chain. * @param keep_orderlist If this is true only delete the orders, otherwise also delete the OrderList. * @note do not use on "current_order" vehicle orders! */

 * @note do not use on "current_order" vehicle orders!
 */
void OrderList::FreeChain(bool keep_orderlist)
{
	/* We can visit oil rigs and buoys that are not our own. They will be shown in
	 * the list of stations. So, we need to invalidate that window if needed. */
	for (Order &order: this->orders) {
		if (order.IsType(OT_GOTO_STATION) || order.IsType(OT_GOTO_WAYPOINT)) {
			BaseStation *bs = BaseStation::GetIfValid(order.GetDestination().ToStationID());
			if (bs != nullptr && bs->owner == OWNER_NONE) {
				InvalidateWindowClassesData(WC_STATION_LIST, 0);
				break;
			}
		}
	}

	if (keep_orderlist) {
		this->orders.clear();
		this->num_manual_orders = 0;
		this->timetable_duration = 0;
	} else {
		delete this;
	}
}

/**
 * Get the next order which will make the given vehicle stop at a station