Method IsActive

src/object_gui.cpp:54–62

	StringID GetTypeTooltip() const override { return STR_PICKER_OBJECT_TYPE_TOOLTIP; }

	bool IsActive() const override
	{
		for (const auto &cls : ObjectClass::Classes()) {
			for (const auto *spec : cls.Specs()) {
				if (spec != nullptr && spec->IsEverAvailable()) return true;
			}
		}
		return false;
	}

	int GetSelectedClass() const override { return _object_gui.sel_class; }
	void SetSelectedClass(int id) const override { _object_gui.sel_class = this->GetClassIndex(id); }