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Luna

An Animal Crossing New Horizons tool to dump Dream Islands.

SD file structure

SDMC
├── ...
├── /config/luna/                                   # config folder for Luna.
│   ├── /dump/                                      # folder for dumps.
│   │   ├── /[DREAM_ADDRESS] TownName/              # dump folder format. Example: "/[DA-XXXX-XXXX-XXXX] MyTown
│   │   │   ├──/Date @ Time (in dream)/             #                               /12.12.2020 @ 4.20/"
│   │   │   │   ├── /VillagerX/                     # variable amount of players,  0 <= X < 8
│   │   │   │   │   ├── /personal.dat
│   │   │   │   │   ├── /photo_studio_island.dat
│   │   │   │   │   ├── /postbox.dat
│   │   │   │   │   └── /profile.dat
│   │   │   │   ├── /landname.dat
│   │   │   │   └── /main.dat
│   │   │   └── ...   
│   │   └── ...   
│   └── /template/                                  # folder for user provided template.
│       ├── /VillagerX/                             # variable amount of players,  0 <= X < 8; 
│       │   ├── /personal.dat
│       │   ├── /photo_studio_island.dat
│       │   ├── /postbox.dat
│       │   └── /profile.dat
│       ├── /landname.dat
│       └── /main.dat
├── /switch/.overlays/                              # Tesla-Menu Overlay folder.
│   └── /Luna-ovl.ovl                               # Luna Overlay.
└── ...

How-To

  1. do the thing (Building) or grab a release.
  2. put everything on the SD card and provide 1.10.0 DECRYPTED save as template.
  3. run overlay when you're on a dream island.
  4. grab the dump from your SD card.
  5. ENCRYPT dump and fix file hashes.
  6. ???
  7. Profit.

Building

  1. Requires devkitPro
  2. Requires switch-dev, switch-freetype, switch-zlib

Known Issues

  • Non-ASCII island names can't be saved (e.g. Japanese/Chinese/Korean/Russian, basically every language that doesnt use the roman alphabet.) this is due to Nintendo Switch handling file paths in Shift JIS (basically utf8), which doesn't include non-ASCII characters. I wont be able to fix this. Currently Luna just doesn't include the island name in the path, if its invalid, you can still dump foreign islands, duh.

  • If you want to go online with dumped dream towns and avoid error 2219-3003 ("Network temporarily unavailable"), use your own save file as a template.

Contact

Discord: Poyo#0828

Supporting

If you like my work, please consider supporting me on Patreon, thanks!

Patreon donate button

Credits

  • WerWolv for libtesla and coding help.
  • J-D-K for JKSV, which was used for testing and also part of its code was used for file handling.
  • WalteeWartooth for testing Luna and allowing me to dump their island for research!
  • rabbit_ruby for testing Luna and also breaking my (weak) Revision checker!