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ok, i actually want to try to extract resource from a res.dat file from a psp iso but i heard theres very little tools that can help do this... so where can i start to give this a try?

What is name of the game you are trying extract data from?

Also, please upload sample DAT file.

the game is boku ha tomodachi ga sukunai portable, i would like to put the sample file but the extension is .dat so i cant really put it as attachment, sorry...

i cant really put it as attachment, sorry...

You can upload it to service like mega.nz, google drive etc. and then share a link here.

will this work?
https://mega.nz/file/vVtEDbiR#OJ7Oe2gCJ ... 1H4q1LREuM

It seems that there is already a script which allows data extraction
https://aluigi.altervista.org/bms/saena ... tekata.bms

Use it with quickbms https://aluigi.altervista.org/quickbms.htm


Also, here is wiki article for this file format http://wiki.xentax.com/index.php/Boku_w ... rtable_DAT

thanks, i didnt think it was that simple tbh, i found what i wanted but now i got a new problem, the textures are in gim extension... and i know gimconv can convert it back to png but how do i use it? didnt work using terminal

You can use it like this: Check also other GIM tools from the wiki http://wiki.xentax.com/index.php/GIM_Image

yea... i gave it a try but now i just realized gimconv only works with ps3 type gims... the game i target was psp so it got the wrong format error... any ideas about which converter for gim works with the psp type?

gimconv only works with ps3 type gims... the game i target was psp so it got the wrong format error...

No, you're wrong. Gimconv works fine with PSP GIM files. You can check it for example with those files:
RES\image_map\map00\bg.gim
RES\image_title\image_title\t_logo.gim

See result here https://i.imgur.com/ONY4FOQ.png


You're getting "wrong format" error because most of those GIM files are also compressed with gzip.
Script for DAT file should handle it automatically, but it didn't, so I will post my script for decompression below.

You can see it for example for file RES\image_bg\BG01A.gim
Result here https://i.imgur.com/obUGoN7.png

And here is the script:

uh... okay then... is that supposed to be executed as a bat file? how do i exactly use it to decompress gzip compressed gim files? im not an expert at programming so i dont really have much of a clue on how to use the code you just sent me

It's just regular quickBMS script.
You can use it with quickBMS https://aluigi.altervista.org/quickbms.htm

Here is the manual http://aluigi.zenhax.com/papers/quickbms.txt
and some tutorials here https://www.google.com/search?client=fi ... e+quickbms

thanks for the help, it works well also has some experience using quickbms with destiny child pck files so the rest is easy, but im curious about something... can quickbms process more than 1 file using the same script?

can quickbms process more than 1 file using the same script?

Sure, but you need additional BAT script for that.
So for example if you have some GIM files, quickbms script, quickbms executable and BAT script in the same directory,
then it would look like this https://i.imgur.com/UEDscNr.png


And the script for automation could look like this:
https://github.com/bartlomiejduda/Tools ... OR_ALL.BAT