Homebrew [Release] OnionFS for NTR CFW - LayeredFS plugin fork that works with any game.

PabloMK7

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OnionFS - v1.4

OnionFS is a fork of layeredfs plugin made by cell9 that redirects romfs and code access to the SD card, useful for game mods. It works with any game, even if there is an update patch installed. For romfs redirection, you only need to put in your SD card the modified files, not the whole romfs directory nor a romfs.bin/game.romfs file.

Compatibility:

All the games that work with layeredfs should be working with OnionFS.
Since this uses NTR CFW to be loaded, it won't work with some games.
This includes:
  • Super Smash Bros. (Won't work on N3DS, O3DS)
SaltySD will work with that game, use it instead.

Features:
  • Redirects romfs access. (optional)
  • Redirects code.bin. (optional)
  • Applies ips patches. (optional)
  • Should work with any game that already works with layeredfs.
  • Works even if there is an update patch installed, the update files will also be redirected.
  • Optional custom redirection path.
Default redirection paths:
  • Extracted romfs (only modified files): "SD:/OnionFS/<titleID>/romfs/"
  • code.bin: "SD:/OnionFS/<titleID>/code.bin"
  • code.ips: "SD:/OnionFS/<titleID>/code.ips"
Use 3dsdb to get the game TID.

Changing SD redirection path:

To change the redirection path, use the included python script:
Code:
OnionFS_pathchange.py <plg file path> <redirection path>
For example: SD:/folder/subfolder/
Code:
OnionFS_pathchange.py OnionFS.plg folder/subfolder
In the above example, the new paths would be SD:/folder/subfolder/romfs and SD:/folder/subfolder/code.bin

Debug mode:

If you are having issues, you can use OnionFS_debug.plg to output the plugin log to a file: SD:/OnionFS.log. The information given by the plugin may help you fixing what's wrong. It's not recommended to use the debug plugin for normal use as it may be slower.

Installing:
  1. Download the OnionFS.plg and copy it to SD:/plugin/<titleID>.
  2. (Optional) Place only the modified files in their respective folders into SD:/OnionFS/<titleID>/romfs/.
  3. (Optional) Place your custom code.bin at SD:/OnionFS/<titleID>/code.bin.
  4. (Optional) Place the code.ips patch at SD:/OnionFS/<titleID>/code.ips.
  5. Install and boot NTR CFW (I recommend using BootNTR Selector).
  6. Enjoy. :)
Credits:

@cell9 for making NTR CFW and layeredfs plugin. :)
@Nanquitas for helping me a lot. :)
Luma CFW for the ips patching code. :)

 
Last edited by PabloMK7,

PabloMK7

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I've only been able to test this with a few games, could someone test with some other games and give me feedback?

So with this you can change the game files without packaging the romfs right? Just like saltysd
Yes, but remember that since this is a plugin, you need NTR CFW.
 
Last edited by PabloMK7,
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hacksn5s4

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i would not say any game on the old 3ds it won't work with smm sun and moon smash bros and monster hunter you can use salty sd on sun and moon and smash though
 

RyDog

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i would not say any game on the old 3ds it won't work with smm sun and moon smash bros and monster hunter you can use salty sd on sun and moon and smash though
if your going to b making rom hacks i think its common knowldge know that ntr doesnt work on o3ds and never will u can use luma for romfs redirection if u use the latest commit

yes, this was written in his version of English on purpose.
 
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HolyHobo

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Nice! Trying it out right now :P

--------------------- MERGED ---------------------------

Tried it with smash bros.. didn't work :( any idea why?
 

PabloMK7

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Nice! Trying it out right now :P

--------------------- MERGED ---------------------------

Tried it with smash bros.. didn't work :( any idea why?
Smash bros will never work with it with an O3DS because it is an extended memory game and the console reboots before it being launched causing NTR CFW to be unloaded. I'll add that to the OP later.
 
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HolyHobo

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Smash bros will never work with it because it is an extended memory game and the console reboots before it being launched causing NTR CFW to be unloaded. I'll add that to the OP later.
Even with a new 3ds? I'm still able to access the NTRcfw menu within the game
 
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HolyHobo

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Well maybe onionfs isn't working since the files are packed, but i see no reason why saltysd didn't. Maybe the file paths were wrong?

I used the file paths in the mods I downloaded so I don't think it was the file paths... maybe I forgot to to run something before booting up smash or something along those lines
 
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