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06-21-18 12:26:27 PM

Jul - The Cutting Room Floor - .OMT Files (Jimmy Neutron) New poll - New thread - New reply
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Emoluvjd2
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Posted on 04-27-13 12:35:42 PM (last edited by Emoluvjd2 at 04-27-13 12:37:45 PM) Link | Quote
The game Jimmy Neutron: Boy Genius contains most of it's sound files in a compressed format called .OMT, it seems. While these can be listened to in Audacity, it seems that the game uses two different formats of audio. Listening to these, it sounds like older, probably unused clips play in the the default raw import settings. The clips that do sound used, however, are imported in a way that makes the audio get clipped (still using the default settings). Now it seems like there are different types of files inside of these OMT files. As well as audio there also seems to be level objects stored inside of other files. I've never looked into file structures and such, so I'm not really sure how I would go about decompressing these. I'll post two sample files

Sound Clips: http://www.mediafire.com/download.php?omio6fmhy0suqa3

These files all seem to have a list of file-names at the bottom. Here's the list from this file.

LISTF...INFOICRD....2001-04-16..IENG....James Wheeler.ISFT....Sound Forge 4.5.....Wave
jimmyitem9
jimmyitem8
jimmyitem7
jimmyitem6
jimmyitem5
jimmyitem4
jimmyitem3
jimmyitem2
jimmyitem10
jimmyitem1
jimmygoddard29
jimmygoddard28
jimmygoddard27
jimmygoddard26
jimmygoddard24
jimmygoddard22
jimmygoddard20
jimmygoddard19
jimmygoddard18
jimmygoddard17
jimmygoddard16
jimmygoddard14
carlhelp6b
carlhelp6
carlhelp5
carlhelp4
carlhelp3
carlhelp2
carlhelp1
yokianguard1
yokianguard2
yokianguard3
yokianofficer1
yokianofficer2
yokianguard4
yokianofficer3
yokianofficer4
yokianofficer5
yokianofficer6
yokianofficer7
yokiansolider1
yokiansolider2
yokiansolider3
yokiansolider4

As far as I can tell, all the Yokian voice clips are ones that are used, while the Jimmy and Carl ones all sound like early recordings, unless they get filtered.

I won't post the list for this one, but here's a file containing objects.

http://www.mediafire.com/download.php?9conkj3waddf1fi

It seems to me that there are more unused sounds in other files, like one called "voicedemo" so I think that this might be something worth looking into.
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Posted on 04-27-13 05:05:34 PM Link | Quote
The file format is extremely simple. It starts with a fourcc ("OMF2") and a 32-bit big-endian integer that indicates the address of the file table. The file table includes file names, start addresses, and file lengths.

It should be very easy to write an extractor tool, but unfortunately I don't have access to my development environment right now.
Emoluvjd2
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Posted on 04-29-13 05:45:49 PM Link | Quote
I guess it is simple. I'm learning programming in the fall, so maybe I'll look into file formats so I won't have to ask for help next time.
Emoluvjd2
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Posted on 05-21-13 10:24:01 PM (last edited by Emoluvjd2 at 05-27-13 02:47:56 AM) Link | Quote
Just remembered something. I think this game may have an unused stage or something of the sort. I remember when playing this as a child my friend would beat the game, and for a split second Jimmy would be on the moon, at least, I think that's what it was. After that it would just go back to the pause menu.

Edit:
I *think* this is debug text of some sort? Found in the executable for the game.

Select Object...................Lock Object.....................UnLock Object...................Create Object...................Delete Object...................Edit Object.....................Select Poly.....................Toggles.........................List Objects....................Save Game.......................Databases.......................Load Game.......
Benderman115
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Posted on 05-29-18 11:58:38 PM Link | Quote
Allright I wanted to dump the model of jimmy I accessed all the pngs what are the formats of the objects and can i dump them to a .obj ? also how do edit sounds? I wanted to rip the ost . Thanks
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Jul - The Cutting Room Floor - .OMT Files (Jimmy Neutron) New poll - New thread - New reply




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