Super Smash Bros. Ultimate Ripping Project

[Demonslayerx8]

I only just now realized something; What are all the textures called "mtl", "rgh", "spc", and "ao"? They are present in the models hosted on the website but if I check the .7z files listed on this thread, they're nowhere to be found.

What are they and how are they obtained?

Sorry to throw you in the material page but...
https://github.com/ScanMountGoat/Smush-M...extures.md

Also some of textures called "mtl", "rgh", "spc", and "ao" could be obtained in the channels of the prm maps and normal maps

I actually did check this and there's nothing on here about those texture types. Sure it does go into textures like "col" and "nor" but there's nothing on there about the ones I listed.

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Update: Never mind, I was focused onto the actual filenames and didn't realize they were listed further down, my bad.
That said, I still don't know how to obtain these files, is it something only 3DS Max users can do?

those maps are in the PRM texture

Red - mtl
Green - rgh
Blue - ao
Alpha - spc