src/main/java/emu/grasscutter/server/game/GameServer.java

...va/emu/grasscutter/server/game/GameServerInitializer.java

.../emu/grasscutter/server/game/GameServerPacketHandler.java

src/main/java/emu/grasscutter/server/game/GameSession.java

...server/packet/recv/HandlerAvatarFetterLevelRewardReq.java

...utter/server/packet/recv/HandlerChangeMailStarNotify.java

...er/server/packet/recv/HandlerCombatInvocationsNotify.java

...emu/grasscutter/server/packet/recv/HandlerCombineReq.java

...emu/grasscutter/server/packet/recv/HandlerDelMailReq.java

...sscutter/server/packet/recv/HandlerEnterSceneDoneReq.java

...ter/server/packet/recv/HandlerEvtAvatarSitDownNotify.java

.../grasscutter/server/packet/recv/HandlerGetAllMailReq.java

...grasscutter/server/packet/recv/HandlerGetMailItemReq.java

...tter/server/packet/recv/HandlerGetPlayerBlacklistReq.java

...emu/grasscutter/server/packet/recv/HandlerMarkMapReq.java

...emu/grasscutter/server/packet/recv/HandlerNpcTalkReq.java

...rver/packet/recv/HandlerPlayerGetForceQuitBanInfoReq.java

...grasscutter/server/packet/recv/HandlerPlayerLoginReq.java

...grasscutter/server/packet/recv/HandlerPrivateChatReq.java

...grasscutter/server/packet/recv/HandlerReadMailNotify.java