Function shouldShowTab

src/OpenLoco/src/Ui/Windows/ObjectSelectionWindow.cpp:312–356

    template<typename TTabInfo>
    static bool shouldShowTab(TTabInfo& tabInfo, FilterLevel filterLevel)
    {
        const ObjectTabFlags tabFlags = tabInfo.flags;

        if (filterLevel == FilterLevel::expert)
        {
            return true;
        }

        if ((tabFlags & ObjectTabFlags::alwaysHidden) != ObjectTabFlags::none)
        {
            return false;
        }

        // Skip all types that don't have any objects
        auto numObjectsForType = ObjectManager::getNumAvailableObjectsByType(tabInfo.objectType);
        if (numObjectsForType == 0)
        {
            return false;
        }

        // Skip certain object types that only have one entry in game
        if ((tabFlags & ObjectTabFlags::showEvenIfSingular) == ObjectTabFlags::none && numObjectsForType == 1)
        {
            return false;
        }

        // Hide advanced object types in beginner mode
        if (filterLevel == FilterLevel::beginner && (tabFlags & ObjectTabFlags::advanced) != ObjectTabFlags::none)
        {
            return false;
        }

        if (SceneManager::isEditorMode() && (tabFlags & ObjectTabFlags::hideInEditor) != ObjectTabFlags::none)
        {
            return false;
        }

        if (!SceneManager::isEditorMode() && (tabFlags & ObjectTabFlags::hideInGame) != ObjectTabFlags::none)
        {
            return false;
        }

        return true;
    }

    static bool shouldShowPrimaryTab(uint8_t index, FilterLevel filterLevel)
    {