Function CmdDeleteOrder

src/order_cmd.cpp:934–950

* Delete an order from the orderlist of a vehicle. * @param flags operation to perform * @param veh_id the ID of the vehicle * @param sel_ord the order to delete (max 255) * @return the cost of this operation or an error */

 * @return the cost of this operation or an error
 */
CommandCost CmdDeleteOrder(DoCommandFlags flags, VehicleID veh_id, VehicleOrderID sel_ord)
{
	Vehicle *v = Vehicle::GetIfValid(veh_id);

	if (v == nullptr || !v->IsPrimaryVehicle()) return CMD_ERROR;

	CommandCost ret = CheckOwnership(v->owner);
	if (ret.Failed()) return ret;

	/* If we did not select an order, we maybe want to de-clone the orders */
	if (sel_ord >= v->GetNumOrders()) return DecloneOrder(v, flags);

	if (v->GetOrder(sel_ord) == nullptr) return CMD_ERROR;

	if (flags.Test(DoCommandFlag::Execute)) DeleteOrder(v, sel_ord);
	return CommandCost();
}

/**
 * Cancel the current loading order of the vehicle as the order was deleted.