File list (Check if you may need any files):
M2Engine
........\AboutUnit.ddp
........\AboutUnit.dfm
........\AboutUnit.pas
........\AboutUnit.~dfm
........\AboutUnit.~pas
........\ActionSpeedConfig.dfm
........\ActionSpeedConfig.pas
........\AttackSabukWallConfig.dfm
........\AttackSabukWallConfig.pas
........\BnkEngn.pas
........\Castle.pas
........\CastleManage.dfm
........\CastleManage.pas
........\CodeFormat.txt
........\ConfigMerchant.dfm
........\ConfigMerchant.pas
........\ConfigMonGen.dfm
........\ConfigMonGen.pas
........\DataEngine.res
........\DELTEMP.BAT
........\EDoceTool.exe
........\EngineRegister.dfm
........\EngineRegister.pas
........\EngineServer.res
........\Envir.pas
........\Event.pas
........\FrnEngn.pas
........\FSrvValue.dfm
........\FSrvValue.pas
........\FunctionConfig.dfm
........\FunctionConfig.pas
........\GameCommand.dfm
........\GameCommand.pas
........\GameConfig.dfm
........\GameConfig.pas
........\GameEngine.res
........\GeneralConfig.dfm
........\GeneralConfig.pas
........\GlobaSession.dfm
........\GlobaSession.pas
........\Guild.pas
........\HeroConfig.ddp
........\HeroConfig.dfm
........\HeroConfig.pas
........\HumanInfo.dfm
........\HumanInfo.pas
........\IdSrvClient.ddp
........\IdSrvClient.dfm
........\IdSrvClient.pas
........\IdSrvClient.~dfm
........\IdSrvClient.~pas
........\InterMsgClient.ddp
........\InterMsgClient.dfm
........\InterMsgClient.pas
........\InterMsgClient.~dfm
........\InterMsgClient.~pas
........\InterServerMsg.ddp
........\InterServerMsg.dfm
........\InterServerMsg.pas
........\InterServerMsg.~dfm
........\InterServerMsg.~pas
........\ItemSet.dfm
........\ItemSet.pas
........\ItmUnit.pas
........\JClasses.pas
........\JNetwork.pas
........\LocalDB.dfm
........\LocalDB.pas
........\LocalDB.~pas
........\M2Server.cfg
........\M2Server.dof
........\M2Server.dpr
........\M2Server.drc
........\M2Server.res
........\M2Server.~dpr
........\M2Share.pas
........\M2Share.~pas
........\Magic.pas
........\Magic.~pas
........\Mission.pas
........\MonsterConfig.dfm
........\MonsterConfig.pas
........\Mudutil.dcu
........\Mudutil.pas
........\NoticeM.pas
........\O.JSocket.pas
........\ObjAxeMon.pas
........\ObjBase.pas
........\ObjBase.~pas
........\ObjGuard.pas
........\ObjHero.pas
........\ObjHero.~pas
........\ObjMon.pas
........\ObjMon2.pas
........\ObjNpc.pas
........\ObjNpc.~pas
........\ObjPlayMon.pas
........\ObjPlayRobot.pas
........\ObjRobot.pas