This is really nice. How do you make this kinda mod anyway?

Sorry for the necropost, but surprisingly there might be some good developments for this question as of recent. Been working on transparent DDS support, and I do have a proof of concept proving that the battle menu can be replaced with a 2d image. If it's just the battle menu your looking to replac...

I know how to mod the game I have basically 0 experience with 3dsmax. I was just hoping that the files for the buttons would be lying around somewhere.

This video, in particular,
is there any way I could get these? I use my pro controller to play P5 on my PC.