NHL2K editing (technical discussion)

[nikethebike]

OMG, it was that easy...


It is a CRC-32 checksum.



You just remove the first 4 bytes (the checksum) and calculate it from the rest of the file...


Now I want to know more about the file format so that we can start editing players this way.


The first ever save game edit outside of the game:



Say hello to William Nylleter!

[DJ NEO]

Yep, these guys have a long experience with modding the NBA 2k. I wouldnt be surprised at all if their tools works for the 2k10/11 hockey as well.

These games are all coming from the same studio- Visual Concepts, as we know.

These guys can even mod the sounds of NBA 2k, so maybe they can point you somewhere...?
I stopped when I realized there are just 2 big files 0A and 0B in the 2k11 iso.

And then I rather shifted focus back to gameplay and graphics, otherwise it would never would be done.

[snowdrift]

Quote: Originally Posted by nikethebike

OMG, it was that easy... It is a CRC-32 checksum.

I'm floored. This is incredible news. I figured it would be a lot more difficult than that. I don't have time to document the 2K10 save right now but I'll send you a PM in a bit to see if I can get you a head start.

[nikethebike]

If the file format is similar between PS3/360/WII I might be able to use a method I used when I was editing WWE SVR 2010, that is just using a save file compatible with the editor I created as an envelope for the data I wanted to edit then just export/import that data section between different game versions.


That way perhaps we don't even need to mod your tool to be compatible with NHL2K11, the only thing needed is a way to replace the PS3 data with data from the 2K11 file and vice versa.


From a programmer point of view this is ugly as F, but might save a lot of programming hours.

[snowdrift]

That's a great idea. But if the sections in the save file are exactly the same, theoretically it's just a matter of changing certain constants in the code. There will probably be some bad design to work out here and there, but I don't think it would be a huge hassle.

[nikethebike]

I'm looking into it now to see what I can do.

[nikethebike]

Anyone have an already extracted savefile from PS3 I can use to compare the 2K11 file with?


Tried downloading brute force but the installer magically disappeared which make me think virus...

[shogunofharlem3]

Quote: Originally Posted by nikethebike

Anyone have an already extracted savefile from PS3 I can use to compare the 2K11 file with? Tried downloading brute force but the installer magically disappeared which make me think virus...

I have an extracted 360 contents file if that will help.