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FPK

R

Rick

Landlubber
<img src="http://www.piratesahoy.com/forum/style_emoticons/<#EMO_DIR#>/hi.gif" style="vertical-align:middle" emoid=":gday" border="0" alt="hi.gif" />

The FPK format is fairly simple, there are many unknown values but I am sure they will come naturally once we figure out what they mean. The pak#.fpk files seem to have some oddities with filename size, I am not yet sure how to properly handle them. (Basically, there is 'junk' after the filename rather than ending properly).

<!--c1--><div class='codetop'>CODE</div><div class='codemain'><!--ec1-->[DWORD   version]

[DWORD   file entry count]



(entries * file entry count)



[DWORD   entry file name length]

[CHAR[]  entry file name]

[BYTE    entry file "type"]



(Depending on file "type")

   1:

   (nothing extra)

   2:

   [BYTE    Unknown]

   3:

   [WORD   Unknown]



[DWORD    unknown]

[DWORD    unknown]

[DWORD    entry file size]

[DWORD    entry file absolute offset]



(entries * file entry count)



[CHAR*    files]<!--c2--></div><!--ec2-->Files do not appear to be compressed, encrypted, or encoded in any way.

I currently have a basic FPK dumper, which does not handle the extra 'junk' yet.

Oh, almost forgot.

To "decode" the file names, simply -1 their ASCII value.

<img src="http://www.piratesahoy.com/forum/style_emoticons/<#EMO_DIR#>/keith.gif" style="vertical-align:middle" emoid=":keith" border="0" alt="keith.gif" />
 
Hmm, the more I look through this stuff, the less I see in hope for SMP! modding. <img src="http://www.piratesahoy.com/forum/style_emoticons/<#EMO_DIR#>/sad.gif" style="vertical-align:middle" emoid=":(" border="0" alt="sad.gif" />

Hardcoded:
- Ships
- Commodities
- Other Pirates

Moddable:
- Any models/textures.
- World geometry.
- Cities. (?)
- *Most* `in-game` text.

(everything else is assumed unknown)

<img src="http://www.piratesahoy.com/forum/style_emoticons/<#EMO_DIR#>/huhh.gif" style="vertical-align:middle" emoid=":eek:k" border="0" alt="huhh.gif" />
 
Crap. Thanks for looking Rick.
Keith, since your version doesn't use FPK files, can you tell if the things Rick feels may be hardcoded are accessible in your folders?
 
Hardcodin' might be meanin' a value or an object be set in de code befer compilin' de source code into binary or runtime form. Binary files be purty hard tew reverse engineer fer most folks, Fred Bob be a thinkin'. De opposite situation be when values are set in a text file, fer instance, an' de game engine reads dese values at de appropriate time, makin' it possible fer `hobbiest-types` tew tweak de game behavior! An example be PotC, which allows a surprisin' amount o' tinkerin' tew be done, addin'/changin' ships, characters, quests, items, etc. <img src="http://www.piratesahoy.com/forum/style_emoticons/<#EMO_DIR#>/icon_mrgreen1.gif" style="vertical-align:middle" emoid=":cheeky" border="0" alt="icon_mrgreen1.gif" />
 
<!--`QuoteBegin-galeninjapan`+--><div class='quotetop'>QUOTE(galeninjapan)</div><div class='quotemain'><!--QuoteEBegin-->What does hardcoded mean?[/quote]
When I say hardcoded in relation to SMP! I mean that it is part of the SMP! source code and has been compiled in as part of the game executable. Keeping it away from our prying hands. (Of course, you can probably change this, but it means that it will be difficult to *add* new things, rather than just change them).
 
<!--`QuoteBegin-Rick`+--><div class='quotetop'>QUOTE(Rick)</div><div class='quotemain'><!--QuoteEBegin--><!--`QuoteBegin-galeninjapan`+--><div class='quotetop'>QUOTE(galeninjapan)</div><div class='quotemain'><!--QuoteEBegin-->What does hardcoded mean?[/quote]
When I say hardcoded in relation to SMP! I mean that it is part of the SMP! source code and has been compiled in as part of the game executable. Keeping it away from our prying hands. (Of course, you can probably change this, but it means that it will be difficult to *add* new things, rather than just change them).[/quote]

Wow really? I am suprised that devs would do that in this day and age of computer games. Alot of computer games thrive with mods, some wouldnt even sell without them.
 
<!--`QuoteBegin-galeninjapan`+--><div class='quotetop'>QUOTE(galeninjapan)</div><div class='quotemain'><!--QuoteEBegin-->Wow really? I am suprised that devs would do that in this day and age of computer games. Alot of computer games thrive with mods, some wouldnt even sell without them.[/quote]
I agree <img src="http://www.piratesahoy.com/forum/style_emoticons/<#EMO_DIR#>/sad.gif" style="vertical-align:middle" emoid=":(" border="0" alt="sad.gif" />
 
From what ive seen, Id agree with rick, I can get at all the graphics files and names, a few of the descriptions and stuff like that, but innerworkings like changing commodities and gameplay stuff i have not found
 
i did but all the numbers confused me <img src="http://www.piratesahoy.com/forum/style_emoticons/<#EMO_DIR#>/diomed.gif" style="vertical-align:middle" emoid=":dio" border="0" alt="diomed.gif" />
 
Is there a utility to unpack the FPK files? I noticed somebody mentioned that on some installs the FPK files are already unpacked in the directory?
 
I am working on such a tool, I just need to figure out the extra junk. <img src="http://www.piratesahoy.com/forum/style_emoticons/<#EMO_DIR#>/wink.gif" style="vertical-align:middle" emoid=";)" border="0" alt="wink.gif" />
 
Excellent! thanks for the quick reply <img src="http://www.piratesahoy.com/forum/style_emoticons/<#EMO_DIR#>/biggrin.gif" style="vertical-align:middle" emoid=":D" border="0" alt="biggrin.gif" />
 
I believe someone has already made the tool on Addicted to Pirates site. I haven't looked into it yet, though...
 
Nah, KriFos got a little excited when the easter eggs were found, i think the guy who said he had done it edited his post after KriFos made his newspost about it

oops after reading the thread below, i quess they were right <img src="http://www.piratesahoy.com/forum/style_emoticons/<#EMO_DIR#>/wink.gif" style="vertical-align:middle" emoid=";)" border="0" alt="wink.gif" />
 
The FPK unpacker is great, I recommend anyone who has any interest whatsoever in modding go get it sharpish.

Now, the animation and geometary files are the kf and kfm files, and I would love to get those things opened and edited in some 3d program.
 
You can grab it in <a href="http://www.addictedtopirates.com/forum/viewtopic.php?p=5781&highlight=#5781" target="_blank">this</a> thread on ATP (second post). Until now it is only capable of unpacking the archives and it´s a command line application (type 'fpk --help' for instructions).
 
<!--`QuoteBegin-Funso`+--><div class='quotetop'>QUOTE(Funso)</div><div class='quotemain'><!--QuoteEBegin-->The FPK unpacker is great, I recommend anyone who has any interest whatsoever in modding go get it sharpish.

Now, the animation and geometary files are the kf and kfm files, and I would love to get those things opened and edited in some 3d program.[/quote]
The game seems to use a GDK called Gamebryo. I did some Google searches for plugins for the Gamebryo formats but came up with nothing.
 
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