[SHELVED] Material Layering Feedback for 4.19

I wasn’t sure about this feature, but I spent the afternoon yesterday playing around with various approaches to using it and I’m starting to dig it. My first stabs were all pretty rough, but once I get a decent sample set of layers/blending functions I’ll toss them up on my repo: GitHub - trentpolack/joymachine-public: All sorts of random publicly-available information, assets, sc

They could use some additional written documentation I think, but I dunno if I’ll have the time to swing an article any time soon, so hopefully just a bunch of samples will suffice.