Method update

src/OpenLoco/src/Map/IndustryElement.cpp:101–243

0x00456FF7

    // 0x00456FF7
    bool IndustryElement::update(const World::Pos2& loc)
    {
        // Sequence 0 updates all the other ones
        if (sequenceIndex() != 0)
        {
            return true;
        }
        if (isGhost())
        {
            return true;
        }

        auto* ind = industry();
        const auto* indObj = ind->getObject();
        const auto type = buildingType();
        const auto isMultiTile = indObj->buildingSizeFlags & (1 << type);

        if (!isConstructed())
        {
            bool newConstructed = isConstructed();
            uint8_t newSectionProgress = sectionProgress();
            uint8_t newNumSections = var_6_003F();

            const auto progress = sectionProgress();
            if (progress == 0x7)
            {
                const size_t numSections = var_6_003F();
                const auto parts = indObj->getBuildingParts(type);
                const auto heights = indObj->getBuildingPartHeights();
                if (parts.size() <= numSections + 1)
                {
                    ind->under_construction++;
                    if (ind->under_construction >= ind->numTiles)
                    {
                        ind->under_construction = 0xFF;
                        Ui::WindowManager::invalidate(Ui::WindowType::industry, enumValue(ind->id()));
                        Ui::WindowManager::invalidate(Ui::WindowType::industryList);
                    }

                    const auto height = std::accumulate(parts.begin(), parts.end(), 0, [partHeights = heights](int32_t total, uint8_t part) {
                        return total + partHeights[part];
                    });

                    const auto newClearZ = ((height + 3) / World::kSmallZStep) + baseZ();

                    applyToMultiTile(*this, loc, isMultiTile, [newClearZ](World::IndustryElement& elIndustry, const World::Pos2& pos) {
                        Ui::ViewportManager::invalidate(pos, elIndustry.baseHeight(), elIndustry.clearHeight(), ZoomLevel::quarter);
                        elIndustry.setClearZ(newClearZ);
                    });

                    newConstructed = true;
                    newSectionProgress = 0;
                    newNumSections = 0;
                }
                else
                {
                    newSectionProgress = 0;
                    newNumSections++;