I need help restoring filenames from Lost: Via Domus Yeti.big or Sound.big. I tried Aluigi's lost_via_domus.bms and yeti_gear.bms but they failed. Yeti.big shares the same format as Beowulf: The Game and the Xbox 360 version of Tom Clancy's Ghost Recon Advanced Warfighter 2.

628.99 MB file on MEGA

691.08 MB file on MEGA

I put all the info in one article
https://rewiki.miraheze.org/wiki/YETI_Engine_BIG

Let me know if you'll find out more about the format.

1 hour ago, ikskoks said:

I put all the info in one article
https://rewiki.miraheze.org/wiki/YETI_Engine_BIG

Let me know if you'll find out more about the format.

I find out that Yeti.big has no filenames or hashes so I can't find a way to restore filenames from Yeti.big.

From when I looked at this format in the past, and looked at the BMS scripts and so forth, I still don't think anyone has worked out the compression and/or encryption? So without that, it's kinda useless knowing the filenames anyway. Is that still the case?

Here's structs from Ghost Recon FS i dumped with IDA. Maybe useful for someone... I found struct of BIG file there. Maybe you can find hash algo there too.

MediaFire

structs_feb23_2012