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lolwatt, posted Sun Dec 03, 2017 1:44 pm (30478)

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Hey,

Another PS4 game. This one has several .dat files in numerical order.
I uploaded a bunch of them (06, 08, 09) and a few unrelated files, in case there is some information there - I dont really know. lol
If more files are needed, let me know.

Link: https://drive.google.com/drive/u/2/fold ... T6nmhPpU9-

aluigi, posted Tue Dec 05, 2017 8:26 pm (30525)

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It's a bad format, too long to explain all the bad things in it
The only thing I can do is posting the script for decompressing the DAT archives, decompressing does NOT mean extracting so this script is totally useless, I post it mainly for myself:
*script removed, check my next posts*

zaykho, posted Sun Dec 10, 2017 3:38 pm (30657)

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So I tried the script to see if I can extract some content manually after the decompression, and it seems that the script throw an error when trying to decompress some heavy files (like game000.dat [ 1gb size]), tried quickbms in normal and 4gb version, and still, they both give me this error :



( I have 64 GB Ram and 758 GB free space on the HDD )

With other smaller files (like game004.dat [315Mb size]) it works fine.



(CF: created a new account on zenhax since I can't recover the old one)

aluigi, posted Mon Dec 11, 2017 10:47 am (30666)

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ok, I have updated the script to dump the decompressed file directly to disk instead of memory.

aluigi, posted Mon Dec 11, 2017 10:59 am (30667)

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I have removed the old script and have uploaded it on my website with an integrated "EVOSLITL" search&dump, basically searches all the occurrences of the "EVOSLITL" magic and dumps the data between them... basically the only thing that can be done with this format:
http://aluigi.org/bms/driveclub.bms

zaykho, posted Mon Dec 11, 2017 11:03 am (30669)

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aluigi wrote:

I have removed the old script and have uploaded it on my website with an integrated "EVOSLITL" search&dump, basically searches all the occurrences of the "EVOSLITL" magic and dumps the data between them... basically the only thing that can be done with this format:
http://aluigi.org/bms/driveclub.bms

Ah nice !

So I tried the updated script (before being removed) and it work now on all files ( all the .dat are decompressed ).

About the EVOSLITL search and extract, I think it's a good idea, because it seems some files are even put in plain simple format (like maya etc...) by looking at the hearders.

zaykho, posted Mon Dec 11, 2017 12:49 pm (30670)

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(^ using this host to avoid uploading big pictures)

So finally succeeded to output some 3D from Driveclub.

I took the game034_unpack.dat (I use the complete decompress .dat)

Then, vertices indices starting at 0x132DE, prior to that, at 0x132D8, 0C = 12 (will be the strip for the vertices).

The faces indices start at 0x3D35DD (I think).

lolwatt, posted Mon Dec 11, 2017 1:30 pm (30671)

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zaykho wrote:

(^ using this host to avoid uploading big pictures)

So finally succeeded to output some 3D from Driveclub.

I took the game034_unpack.dat (I use the complete decompress .dat)

Then, vertices indices starting at 0x132DE, prior to that, at 0x132D8, 0C = 12 (will be the strip for the vertices).

The faces indices start at 0x3D35DD (I think).

This is pretty nice! I wish I could learn to reverse stuff, but I always get stuck.
Is the format simple? What about the textures?

zaykho, posted Mon Dec 11, 2017 1:38 pm (30672)

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The format seems not that complicated, but I lack of automatic tools to help me putting everything together ( multiple vertices group with different vertex/uv block linked to one full faces indices list).

As for texture I think I did find them too (didn't tried to export them yet)

zaykho, posted Mon Dec 11, 2017 5:00 pm (30675)

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Starting to get faces working too:

gamehancer, posted Sat Sep 28, 2019 9:52 am (51039)

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hi people please help me I proceeded to the instruction given in relation to quickbms I send you an image I it is not how to do I only need texture for a project I'm not the processors that must be followed if you could help me thank you all

gamehancer, posted Sat Sep 28, 2019 9:54 am (51040)

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I show you a picture of what the file looks like

zaykho, posted Sat Mar 14, 2020 2:23 am (54618)

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-- edited --

NRave, posted Tue Sep 27, 2022 7:22 am (73597)

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All I get (with driveclub.bms) from the main .dat (extracted with PS4PKGViewer.exe from .pkg) is other .dats mostly, that are "incomplete" to extract. What to do next? I need Intro videos (1.00/1.28), any help, where to look?

NRave, posted Fri Sep 30, 2022 7:06 am (73635)

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Great feedback, thank you very much...