Function ResolveOrder

src/script/api/script_order.cpp:62–77

* Get the current order the vehicle is executing. If the current order is in * the order list, return the order from the orderlist. If the current order * was a manual order, return the current order. */

 *  was a manual order, return the current order.
 */
static const Order *ResolveOrder(VehicleID vehicle_id, ScriptOrder::OrderPosition order_position)
{
	const Vehicle *v = ::Vehicle::Get(vehicle_id);
	if (order_position == ScriptOrder::ORDER_CURRENT) {
		const Order *order = &v->current_order;
		if (order->GetType() == OT_GOTO_DEPOT && !order->GetDepotOrderType().Test(OrderDepotTypeFlag::PartOfOrders)) return order;
		order_position = ScriptOrder::ResolveOrderPosition(vehicle_id, order_position);
		if (order_position == ScriptOrder::ORDER_INVALID) return nullptr;
	}

	auto real_orders = v->Orders() | std::views::filter([](const Order &order) { return !order.IsType(OT_IMPLICIT); });
	auto it = std::ranges::next(std::begin(real_orders), order_position, std::end(real_orders));
	if (it != std::end(real_orders)) return &*it;

	return nullptr;
}

/**
 * Convert an ScriptOrder::OrderPosition (which is the manual order index) to an order index