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Help needed with BBTAG .MUA file extension?
#1
Question 
First post, oh boy.
To sum it up, I was attempting to rip the lobby avatars from BlazBlue Cross Tag Battle (the PC version) and it seems that the model format used (.MUA) doesn't have any form of documentation or anything on it? I'd like to know if there's any info on the format or tools I can use, or if I'm going to have to somehow reverse engineer this. I personally have no experience with hex editing or reverse engineering, so some help with that would be appreciated if a tool doesn't exist.
I'll attach the .mua file here if anyone wants to tinker around with it.

The only thing of note I can decipher from the raw data is that the bone names and the texture(s) seem to be listed at the end? Other than that, I'm pretty much clueless.

Sorry if I'm not making much sense with my words, it's 5 AM as of writing this and I've got nothing better to do. Sweatdrop


Attached Files
.zip   MUA file.zip (Size: 196.7 KB / Downloads: 186)
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#2
(02-03-2020, 01:59 AM)nyaago Wrote: Primeiro post, oh garoto.
Para resumir, eu estava tentando extrair os avatares do lobby da BlazBlue Cross Tag Battle (uma versão para PC) e parece que o formato do modelo usado (.MUA) não possui nenhuma forma de exibição ou nada? Gostaria de saber se há alguma informação sobre o formato ou como as ferramentas que podem usar, ou você precisa fazer engenharia reversa. Pessoalmente, não tenho experiência com edição hexadecimal ou engenharia reversa; portanto, alguma ajuda seriamente apreciada se uma ferramenta não existir.
Anexarei o arquivo .mua aqui se alguém quiser mexer com ele.

Uma única coisa digna de nota que pode decifrar a partir dos dados brutos e os nomes dos ossos e as texturas parecem estar listadas no final? Fora isso, eu sou praticamente sem noção.

Desculpe se não estou fazendo muito sentido com minhas palavras, são cinco da manhã quando escrevi isso e não tenho nada melhor para fazer. Sweatdrop
Você poderia fornecer mais alguns arquivos de amostra?

Modelo extraído do arquivo que você forneceu.
   

.zip   0000_brg.zip (Size: 44.34 KB / Downloads: 171)
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#3
Here is the script for noesis to open the avatar models, not all .mua files will be opened by the script.

.zip   fmt_BlazBlueCrossTagBattle_PC.zip (Size: 1.08 KB / Downloads: 326)
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#4
(06-06-2020, 08:55 AM)Tuliopilloto Wrote: Here is the script for noesis to open the avatar models, not all .mua files will be opened by the script.

Tulio, como você conseguiu abrir o modelo dos avatares?

Tulio, how did you manage to open the models?
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#5
Ressurecting this. I began to extract assets from BB Calamity Trigger and came across .MUA files.
I decided to post some important links:

https://richwhitehouse.com/index.php?con...project=91
Noesis is a tool for previewing and converting between hundreds of model, image, and animation formats.
It doesn't natively open .MUA files, so you're gonna need this other thing:

https://github.com/tl000000/NoesisMuaPlugin
Noesis plugin for arcsys blazblue MUA model file.
With both these things, you can open .MUA these files in Noesis and export them to any format.
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