I've searched the forums and the internet for this, found a few topics but all a few years old and might be outdated.

I've parsed the header, that's it. (It's the easy part too :P)

If anyone can give me a current format for the replay files I would appreciate it.

I am using:

http://photoduhavre.free.fr/notes.htm
https://davnit.net/bnet/vL/index.php?topic=7964.0