Method updateUnloadCargoComponent

src/OpenLoco/src/Vehicles/VehicleHead.cpp:3099–3245

0x004B9A88

    // 0x004B9A88
    bool VehicleHead::updateUnloadCargoComponent(VehicleCargo& cargo, VehicleBogie* bogie)
    {
        if (cargo.qty == 0)
        {
            return false;
        }

        if (stationId == StationId::null)
        {
            return false;
        }

        auto* station = StationManager::get(stationId);
        auto& cargoStats = station->cargoStats[cargo.type];
        if (cargoStats.isAccepted())
        {
            station->deliverCargoToTown(cargo.type, cargo.qty);
            auto* sourceStation = StationManager::get(cargo.townFrom);
            auto stationLoc = World::Pos2{ station->x, station->y };
            auto sourceLoc = World::Pos2{ sourceStation->x, sourceStation->y };
            auto tilesDistance = Math::Vector::distance2D(stationLoc, sourceLoc) / 32;

            Ui::WindowManager::invalidate(Ui::WindowType::company, enumValue(owner));
            auto* company = CompanyManager::get(owner);
            company->cargoUnitsTotalDelivered += cargo.qty;

            auto cargoDist = static_cast<uint32_t>(std::min<uint64_t>(static_cast<uint64_t>(cargo.qty) * tilesDistance, std::numeric_limits<uint32_t>::max()));
            company->cargoUnitsTotalDistance += cargoDist;

            auto cargoPayment = CompanyManager::calculateDeliveredCargoPayment(cargo.type, cargo.qty, tilesDistance, cargo.numDays);
            company->cargoDelivered[cargo.type] = Math::Bound::add(company->cargoDelivered[cargo.type], cargo.qty);

            updateLastIncomeStats(cargo.type, cargo.qty, tilesDistance, cargo.numDays, cargoPayment);

            var_58 += cargoPayment;
            station->var_3B1 = 0;
            station->flags |= StationFlags::flag_8;

            if (cargoStats.industryId != IndustryId::null)
            {
                auto* industry = IndustryManager::get(cargoStats.industryId);
                const auto* industryObj = industry->getObject();

                for (auto i = 0; i < 3; ++i)
                {
                    if (industryObj->requiredCargoType[i] != cargo.type)
                    {
                        continue;
                    }

                    industry->receivedCargoQuantityDailyTotal[i] = Math::Bound::add(industry->receivedCargoQuantityDailyTotal[i], cargo.qty);
                    industry->receivedCargoQuantityMonthlyTotal[i] = Math::Bound::add(industry->receivedCargoQuantityMonthlyTotal[i], cargo.qty);
                }

                if (!(industry->history_min_production[0] & (1ULL << cargo.type)))
                {
                    industry->history_min_production[0] |= 1ULL << cargo.type;
                    MessageManager::post(MessageType::workersCelebrate, owner, enumValue(id), enumValue(cargoStats.industryId), enumValue(cargoStats.industryId) | (cargo.type << 8));