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PostPosted: Sat Jun 23, 2018 4:40 pm 
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Joined: Sat Jun 23, 2018 3:59 pm
Posts: 6
Hi ;)

I'm trying to rip some textures from the game but I simply can't decrypt the aforementioned format. I've tried to figure out what information was stored in the header but I couldn't find much. The files start with the usual "RSCF" string, followed by 4 bytes for the file's size (including the header's size). I don't know what the 20 next bytes (08 to 1B) are meant to be. Then comes a string for the file's path with a filename usually ending in *.tga. I've tried to get rid of the header and then import the file into photoshop as a tga file but it didn't work. I'm not familiar with tga files at all so I don't know what to do. :(
Image
Can someone help me? :)


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PostPosted: Sat Jun 23, 2018 4:54 pm 
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RSCF is one of the chunks of the archive format used by the Asura engine, try this script and let me know if you have been lucky:
http://aluigi.org/bms/asura.bms


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PostPosted: Sat Jun 23, 2018 6:11 pm 
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Actually, I've already extracted the files from the *. asr archives. I had to use ASR Extractor though as the Quick bms script didn't work.


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PostPosted: Sat Jun 23, 2018 6:27 pm 
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Can you upload the original asr archive?


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PostPosted: Sat Jun 23, 2018 10:08 pm 
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Sure.


Attachments:
Azura archive.zip [502.57 KiB]
Downloaded 9 times
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PostPosted: Sun Jun 24, 2018 3:56 am 
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Why did you say that the script "didn't work" if it works perfectly?!


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PostPosted: Sun Jun 24, 2018 4:32 am 
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Joined: Fri Aug 08, 2014 1:06 am
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if you extract the files from your asr sample with the bms script or
"AsuraEngineExtractor" attached to this post you will get tga files,
viewtopic.php?p=22434#p22434
then you can open those tga files in Noesis with this python script :D
Attachment:
tex_JB007FromRussiawithLove_PSP_tga.zip [598 Bytes]
Downloaded 10 times

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PostPosted: Sun Jun 24, 2018 6:49 am 
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Joined: Sat Jun 23, 2018 3:59 pm
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aluigi wrote:
Why did you say that the script "didn't work" if it works perfectly?!

Well, I'm sorry, I don't quite understand :oops: I must have done something wrong the first time.

Acewell wrote:
if you extract the files from your asr sample with the bms script or
"AsuraEngineExtractor" attached to this post you will get tga files,
http://zenhax.com/viewtopic.php?p=22434#p22434
then you can open those tga files in Noesis with this python script :D

Thanks for the plugin. :)
May I ask what makes these tga files different from regular tga files?


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PostPosted: Sun Jun 24, 2018 8:50 am 
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Radiowave wrote:
May I ask what makes these tga files different from regular tga files?

a different header, twiddled for PSP and paletted image data, the only
thing in common is the extension, but extensions are useless. :)

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PostPosted: Sun Jun 24, 2018 9:20 am 
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Joined: Sat Jun 23, 2018 3:59 pm
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Oh, I would've never figured that out! Next time I'll try to reverse engineer the encryption with an emulator or something. ^^


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