class Candy:public ENGINE{ public: Candy(){ check_by=CHECK_BY::FILE_ANY; check_by_target=check_by_list{L"*.fpk",L"data\\*.fpk"}; is_engine_certain=false; }; bool attach_function(); }; class WillowSoft:public ENGINE{ public: WillowSoft(){ check_by=CHECK_BY::FILE; check_by_target=L"Selene.dll"; is_engine_certain=false; }; bool attach_function(); };