src/main/java/emu/grasscutter/data/GameData.java

...java/emu/grasscutter/data/excels/ActivityWatcherData.java

.../java/emu/grasscutter/data/excels/MusicGameBasicData.java

src/main/java/emu/grasscutter/database/DatabaseHelper.java

src/main/java/emu/grasscutter/database/DatabaseManager.java

...n/java/emu/grasscutter/game/activity/ActivityHandler.java

...n/java/emu/grasscutter/game/activity/ActivityManager.java

...va/emu/grasscutter/game/activity/ActivityWatcherType.java

...emu/grasscutter/game/activity/DefaultActivityHandler.java

...in/java/emu/grasscutter/game/activity/DefaultWatcher.java

...main/java/emu/grasscutter/game/activity/GameActivity.java

...ava/emu/grasscutter/game/activity/PlayerActivityData.java

...ter/game/activity/musicgame/MusicGameActivityHandler.java

...grasscutter/game/activity/musicgame/MusicGameBeatmap.java

...sscutter/game/activity/musicgame/MusicGamePlayerData.java

...cutter/game/activity/musicgame/MusicGameScoreTrigger.java

src/main/java/emu/grasscutter/game/props/ActivityType.java

src/main/java/emu/grasscutter/net/packet/PacketOpcodes.java

...rver/packet/recv/HandlerActivityTakeWatcherRewardReq.java

.../server/packet/recv/HandlerMusicGameCreateBeatmapReq.java