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Data file archive format is .ba2, a new version of .bsa


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Posted
  On 11/9/2015 at 4:14 PM, Dark0ne said:

 

  On 11/9/2015 at 4:12 PM, Morbide said:

Good news, someone on Reddit has succeeded in unpacking the .ba2-files.

 

Is that the correct link? Don't see anything about the .ba2 files there?

 

 

"Source: Ripped from Fallout4 - Voices.ba2"

Posted (edited)

Yeah, that appears to be a link about the names that Codsworth can say - not the b2a. archive.

 

Edit: Whoops, seems we skipped sth. there.

Edited by JianXintou
Posted (edited)
  On 11/9/2015 at 4:14 PM, Dark0ne said:

 

  On 11/9/2015 at 4:12 PM, Morbide said:

Good news, someone on Reddit has succeeded in unpacking the .ba2-files.

 

Is that the correct link? Don't see anything about the .ba2 files there?

 

 

It says "ripped" from the .ba2, but the filepath strings are fully visible in the file with a hex editor I believe. Doesn't mean that he unpacked the file.

 

Edit: I have an extractor ready to go, and I'm just waiting to be told what the adjustments to the file header are as well as the layout of the records. I have been told by the F4SE team that it's only a slight modification of BSA.

Edited by jonwd7
Posted
  On 11/9/2015 at 4:56 PM, jonwd7 said:

 

It says "ripped" from the .ba2, but the filepath strings are fully visible in the file with a hex editor I believe. Doesn't mean that he unpacked the file.

 

Edit: I have an extractor ready to go, and I'm just waiting to be told what the adjustments to the file header are as well as the layout of the records. I have been told by the F4SE team that it's only a slight modification of BSA.

 

 

I'm not risking my Steam account by using a VPN so I can't check it out just yet. Maybe I cheered too soon. I asked the guy on Reddit how he extracted the filenames but it seems he can't be bothered to answer.

Posted
  On 11/9/2015 at 5:08 PM, Morbide said:

I'm not risking my Steam account by using a VPN so I can't check it out just yet. Maybe I cheered too soon. I asked the guy on Reddit how he extracted the filenames but it seems he can't be bothered to answer.

 

There is a huge chunk of filepaths at the end of each BA2.

Posted (edited)

Yeah, but if we have the file name, it's at least possible to do basic replacement with loose files, assuming loose files work like in Skyrim, right ?

 

 

Edit : Didn't think about the nif files, but it should be possible to replace textures, or music pretty easily

Edited by OrganicView
Posted

I will have a GUI version for extracting BA2s up on here shortly, which I couldn't have done without ianpatt. :)

 

I'm just waiting on this UI library to compile statically so that I don't have to include the DLLs.

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