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How do video game developers/companies make their own file formats for their data?


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ImDatingJava ImDatingJava is offline
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04-Aug-2012, 02:32 PM #1
Thumbs up How do video game developers/companies make their own file formats for their data?
I've noticed that, for example, one game will have its model/image files in a format like:

Soldier.mimg

And another will have something like:

SoldierAnim.animimg

But how exactly, per se, do they do this and why? Is a standard image-extension or format bad entirely? I mean even if it's to encrypt/protect the data from being changed, it can still be changed.

And I notice that mainly only do professional video game companies do this, and amateurs/indies may not, unless it's a serious project.
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04-Aug-2012, 03:17 PM #2
Well I know on Linux and Mac, file name extensions aren't required. That's why you can copy files and just name them "something.backup" I believe it's just however they want to name it. I'm not certain how this translates into Windows, but at least that's how it works on UNIX.
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ImDatingJava ImDatingJava is offline
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06-Aug-2012, 02:51 PM #3
File name extension is one thing, but an actual format that the file is translated in to is what I question.

Many companies both encrypt and change the format of their files and file data.
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