Method updateLoadCargo

src/OpenLoco/src/Vehicles/VehicleHead.cpp:3490–3592

0x004BA142 returns false when loaded

    // 0x004BA142 returns false when loaded
    bool VehicleHead::updateLoadCargo()
    {
        if (cargoTransferTimeout != 0)
        {
            cargoTransferTimeout--;
            return true;
        }

        Vehicle train(head);
        for (auto& car : train.cars)
        {
            for (auto& carComponent : car)
            {
                if (carComponent.front->hasBreakdownFlags(BreakdownFlags::awaitingCargoTransfer))
                {
                    carComponent.front->breakdownFlags &= ~BreakdownFlags::awaitingCargoTransfer;
                    if (carComponent.front->secondaryCargo.type == 0xFF)
                    {
                        return true;
                    }
                    updateLoadCargoComponent(carComponent.front->secondaryCargo, carComponent.front);
                    return true;
                }
                else if (carComponent.back->hasBreakdownFlags(BreakdownFlags::awaitingCargoTransfer))
                {
                    carComponent.back->breakdownFlags &= ~BreakdownFlags::awaitingCargoTransfer;
                    return true;
                }
                else if (carComponent.body->hasBreakdownFlags(BreakdownFlags::awaitingCargoTransfer))
                {
                    carComponent.body->breakdownFlags &= ~BreakdownFlags::awaitingCargoTransfer;
                    if (carComponent.body->primaryCargo.type == 0xFF)
                    {
                        return true;
                    }
                    if (updateLoadCargoComponent(carComponent.body->primaryCargo, carComponent.back))
                    {
                        carComponent.body->updateCargoSprite();
                    }
                    return true;
                }
            }
        }

        auto orders = getCurrentOrders();
        for (auto& order : orders)
        {
            if (!order.hasFlags(OrderFlags::HasCargo))
            {
                currentOrder = order.getOffset() - orderTableOffset;
                Ui::WindowManager::invalidateOrderPageByVehicleNumber(enumValue(id));
                break;
            }
            auto* waitFor = order.as<OrderWaitFor>();
            if (waitFor == nullptr)
            {
                continue;
            }