I don't have the original code anymore since it was for an old version (4.16) and they implemented transmission since 4.20, so its probably better to use that. https://docs.unrealengine.com/en-us/Resources/Showcases/DigitalHumans#skinshading The code below should be added into SkyLighting.usf. I haven't tested this, so you…
I like the fact that you have made all this effort on your own. I knew a guy back in the 90's did the same thing, ie coding artwork etc takes a lot of guts and effort looking good so far, maybe start a games company :)
Final Fantasy (the original got me into rpgs) Baldur's Gate(s) Mass Effect(s) Dragon Age(s) Knights of the Old Republic Neverwinter Nights FF7 FF12 Borderlands Series Zelda Windwaker
Could you post your uv layout in UV Viewer in Mudbox please? And one sitenote, it´s not that it´s complaining it´s just, that if parts of your uv layout are not in the 0,1 uv Square/Tile. To get rid of it, you have to stack them together in one uv tile(if it´s just mirrored geo)