Function createIndex

src/OpenLoco/src/Scenario/ScenarioManager.cpp:291–387

0x004447DF

    // 0x004447DF
    static void createIndex(const ScenarioFolderState& currentState)
    {
        Input::processMessagesMini();
        Ui::ProgressBar::begin(StringIds::checkingScenarioFiles);

        _scenarioHeader.state = currentState;
        _scenarioHeader.state.numFiles = (currentState.numFiles & 0xFFFFFF) | (1 << 24);

        for (auto& entry : _scenarioList)
        {
            entry.flags &= ~ScenarioIndexFlags::flag_0;
        }

        const auto scenarioPath = Environment::getPathNoWarning(Environment::PathId::scenarios);
        auto numScenariosDetected = 0;
        for (const auto& file : fs::directory_iterator(scenarioPath, fs::directory_options::skip_permission_denied))
        {
            if (!file.is_regular_file())
            {
                continue;
            }
            if (!Utility::iequals(file.path().extension().u8string(), ".sc5"))
            {
                continue;
            }

            numScenariosDetected++;
        }

        auto currentScenarioOffset = 0;
        for (const auto& file : fs::directory_iterator(scenarioPath, fs::directory_options::skip_permission_denied))
        {
            if (!file.is_regular_file())
            {
                continue;
            }
            if (!Utility::iequals(file.path().extension().u8string(), ".sc5"))
            {
                continue;
            }

            Input::processMessagesMini();

            currentScenarioOffset++;
            auto currentScenarioProgress = currentScenarioOffset * 225 / numScenariosDetected;
            Ui::ProgressBar::setProgress(currentScenarioProgress);

            const auto u8FileName = file.path().filename().u8string();
            auto foundId = findScenario(u8FileName);

            const auto options = S5::readScenarioOptions(file.path());
            if (options == nullptr)
            {
                continue;
            }
            if (options->editorStep != EditorController::Step::null)
            {
                continue;