Method updateUnloadCargo

src/OpenLoco/src/Vehicles/VehicleHead.cpp:3256–3324

0x004B9A2A

    }
    // 0x004B9A2A
    void VehicleHead::updateUnloadCargo()
    {
        if (cargoTransferTimeout != 0)
        {
            cargoTransferTimeout--;
            return;
        }

        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;
                    }
                    updateUnloadCargoComponent(carComponent.front->secondaryCargo, carComponent.front);
                    return;
                }
                else if (carComponent.back->hasBreakdownFlags(BreakdownFlags::awaitingCargoTransfer))
                {
                    carComponent.back->breakdownFlags &= ~BreakdownFlags::awaitingCargoTransfer;
                    return;
                }
                else if (carComponent.body->hasBreakdownFlags(BreakdownFlags::awaitingCargoTransfer))
                {
                    carComponent.body->breakdownFlags &= ~BreakdownFlags::awaitingCargoTransfer;
                    if (carComponent.body->primaryCargo.type == 0xFF)
                    {
                        return;
                    }
                    if (updateUnloadCargoComponent(carComponent.body->primaryCargo, carComponent.back))
                    {
                        carComponent.body->updateCargoSprite();
                    }
                    return;
                }
            }
        }

        currency32_t cargoProfit = var_58;
        var_58 = 0;
        if (cargoProfit != 0)
        {
            if (aiThoughtId != 0xFF)
            {
                auto company = CompanyManager::get(owner);
                company->aiThoughts[aiThoughtId].var_80 += cargoProfit;
            }
            train.veh2->curMonthRevenue += cargoProfit;
            if (cargoProfit != 0)
            {
                train.veh1->var_48 |= Flags48::flag2;
            }