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Jul - The Cutting Room Floor - Nearly got into Kingdom Hearts 2 Files! New poll - New thread - New reply
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SamEarl13

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Posted on 03-08-13 10:20:54 AM Link | Quote
As most people here know Square Enix games are a pain to get into because of some strange file hiding thing they've got. However, when i put my Kingdom Hearts 2 disc in my modded ps2 and looked at the files it showed 'Km2.img'. I couldn't rip the file since all the games data is on it but i was wondering if anyone could use that to get into it. Strangely Kingdom Hearts 1 still hid its files even to an actual ps2. I'm planning to check some other square enix games this way. The idea is if you know the filetype and exact size of each file they may be rippable.

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omega59
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Posted on 03-13-13 04:28:03 AM Link | Quote
Good job. Now how would it hide its files so well though? It's beyond me.
Joe
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From: Pororoca

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Posted on 03-13-13 05:57:43 AM Link | Quote
Originally posted by omega59
how would it hide its files so well though?
Easy: it doesn't put them in a standard filesystem.

Most games use the Playstation/PS2 BIOS to load files from the disc. In order for that to work, there needs to be a valid ISO 9660 or UDF filesystem. Square Enix must've decided that the BIOS was too slow or inconvenient, so they worked out their own loading system that avoids using the BIOS as much as possible. Since they aren't using the BIOS, they don't need to conform to its requirements.

This doesn't mean that there's no filesystem at all: they probably made a custom filesystem to meet whatever needs they had. If you can find that, ripping files will be much easier.

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SamEarl13

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Posted on 03-13-13 07:33:00 AM (last edited by SamuelEarl666 at 03-13-13 09:43:12 AM) Link | Quote
Originally posted by Joe
Originally posted by omega59
how would it hide its files so well though?
Easy: it doesn't put them in a standard filesystem.

Most games use the Playstation/PS2 BIOS to load files from the disc. In order for that to work, there needs to be a valid ISO 9660 or UDF filesystem. Square Enix must've decided that the BIOS was too slow or inconvenient, so they worked out their own loading system that avoids using the BIOS as much as possible. Since they aren't using the BIOS, they don't need to conform to its requirements.

This doesn't mean that there's no filesystem at all: they probably made a custom filesystem to meet whatever needs they had. If you can find that, ripping files will be much easier.

So far i believe i've found these filetypes:
.Bin
.Tex (blatantly textures)
.Bar
.Pln
.Pax (something to do with events since the word event appears alot in the files)
Managed to some soundless video when i used an extractor to find mpg files. I'd say that means they are likely PSS files since the video from PSS files are M2v (related to Mpg).
I'll edit this post as i find more and what they are used for.

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Posted on 03-13-13 01:25:45 PM Link | Quote
Originally posted by SamuelEarl666
So far i believe i've found these filetypes:
A file extension is not a file type. It's just part of the name.

How are you finding these files, anyways? If you're searching the disc with a hex editor, there's probably an easier way.

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SamEarl13

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Posted on 03-13-13 02:07:23 PM Link | Quote
Originally posted by Joe
Originally posted by SamuelEarl666
So far i believe i've found these filetypes:
A file extension is not a file type. It's just part of the name.

How are you finding these files, anyways? If you're searching the disc with a hex editor, there's probably an easier way.

1. Yes it seems i'm acting kind of stupid mixing those up.
2. There probably is an easier way but i haven't found it yet.

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Posted on 03-13-13 04:00:41 PM (last edited by Hacc at 03-13-13 04:04:05 PM) Link | Quote
I remember reading about this file hiding stuff. In most cases, it was the more important files that were hidden from view (models, music, etc). It's probably done for a number of reasons (hacking and modifying being in the top 3).

To quote one of the uLE devs about this in regards to compiling an ISO:
Some games use hidden content, not accessible as normal files, but accessed only by the game routines which know what sectors this data is hidden in. Such games can never be rebuilt by using only the files visible in normal directories on a PC (or on a PS2). However, I don't think that is your issue.

There are other problems too, that I won't go into detail on now, which also contribute to the difficulty of rebuilding game ISOs this way. Some additional tools may be needed, and some of the best ones are not legal to distribute, as they are property of Sony and forbidden for public use.


I don't have any Square Enix games (*ducks*), but I found a lot of tools used for this and some of their others here (grab them before they disappear again): http://forum.xentax.com/viewtopic.php?f=22&t=7538

That's all I can share on the matter, as I never looked into it myself (I probably have a game that does it, too). I believe there is an old PS1 doc that talked about this. It might help here. Check romhacking.net.
SamEarl13

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Posted on 03-13-13 08:56:10 PM Link | Quote
Originally posted by Hacc
I remember reading about this file hiding stuff. In most cases, it was the more important files that were hidden from view (models, music, etc). It's probably done for a number of reasons (hacking and modifying being in the top 3).

To quote one of the uLE devs about this in regards to compiling an ISO:
Some games use hidden content, not accessible as normal files, but accessed only by the game routines which know what sectors this data is hidden in. Such games can never be rebuilt by using only the files visible in normal directories on a PC (or on a PS2). However, I don't think that is your issue.

There are other problems too, that I won't go into detail on now, which also contribute to the difficulty of rebuilding game ISOs this way. Some additional tools may be needed, and some of the best ones are not legal to distribute, as they are property of Sony and forbidden for public use.


I don't have any Square Enix games (*ducks*), but I found a lot of tools used for this and some of their others here (grab them before they disappear again): http://forum.xentax.com/viewtopic.php?f=22&t=7538

That's all I can share on the matter, as I never looked into it myself (I probably have a game that does it, too). I believe there is an old PS1 doc that talked about this. It might help here. Check romhacking.net.

Thanks alot, i actually have Final Fantasy X and X2 so these are useful. I actually had some of these before but they disappeared from the internet or something.


____________________
I change my icon alot with the cool Pictures i find while searching
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Jul - The Cutting Room Floor - Nearly got into Kingdom Hearts 2 Files! New poll - New thread - New reply


Rusted Logic
Acmlmboard - commit 47be4dc [2021-08-23]
©2000-2022 Acmlm, Xkeeper, Kaito Sinclaire, et al.

32 database queries, 4 query cache hits.
Query execution time:  0.081541 seconds
Script execution time:  0.015562 seconds
Total render time:  0.097103 seconds


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Info: Document content looks like HTML5
Info: No system identifier in emitted doctype
Tidy found 160 warnings and 0 errors!


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of inserting <NOBR>...</NOBR> into the markup.

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