Homebrew extract offical theme from 3DS

aos10

Yuuki chan
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i want to extract certain themes from my 3DS
official themes from shop or download code i used , then extract it as .cia then convert it to CHMM

how to do it?
 

Rinnegatamante

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i want to extract certain themes from my 3DS
official themes from shop or download code i used , then extract it as .cia then convert it to CHMM

how to do it?

If you already have your theme selectable in official Theme Manager by Nintendo, select it, then dump themecache with an extdata dumper (Sunshell, ORGANIZ3D, extdata_dump and similars).

These files will be what you need:

BodyCache.bin -> body_lz.bin
BGMCache.bin -> bgm.bcstm
 

aos10

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If you already have your theme selectable in official Theme Manager by Nintendo, select it, then dump themecache with an extdata dumper (Sunshell, ORGANIZ3D, extdata_dump and similars).

These files will be what you need:

BodyCache.bin -> body_lz.bin
BGMCache.bin -> bgm.bcstm
what about the bgm.ogg and ?
 

Rinnegatamante

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what about the bgm.ogg and ?

These are optional files you must create by your own.

HOW TO CREATE A THEME

A theme is composed by several files:
body_LZ.bin - Contains background images and some theme settings.
BGM.bcstm - Contains theme BGM sound.
Preview.png/.jpg/.bmp - Screenshot used by CHMM2 for preview system.
BGM.ogg - Contains theme BGM preview sound, used by CHMM2 for preview system.
info.smdh - Contains icon, author, description and title of the theme.
 

aos10

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These are optional files you must create by your own.
ok , used the first app here 3ds homemenu extdatatool

e9T3lcF.jpg


ulc7C5J.jpg


i got several files in this location
3ds\3ds_homemenu_extdatatool
BgmCache.bin
BodyCache.bin
SaveData.dat
ThemeManage.bin

but what theme did i get ? i have 5 themes activated in official shuffle mode.

can i view the BgmCache.bin in PC?
 

Rinnegatamante

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ok , used the first app here 3ds homemenu extdatatool

e9T3lcF.jpg


ulc7C5J.jpg


i got several files in this location
3ds\3ds_homemenu_extdatatool
BgmCache.bin
BodyCache.bin
SaveData.dat
ThemeManage.bin

but what theme did i get ? i have 5 themes activated in official shuffle mode.

can i view the BgmCache.bin in PC?

You must not use shuffle mode when dumping themes. Shuffle mode use different files (a single one for body_lz collection and 10 different files for bgm.bcstm files).
 

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