Google layered materials in ue4/unity. Getting both uv sets into ue4 might require extra googling. You'll also need to account for a second set of tangents in your shader.
Hey Polycount, I have an object in Maya 2017 currently with two UV sets, one for tiling materials using overlapping shells, and another 0 - 1 UV set for HP baking and presumably for blend masks. I want to be able to blend multiple tiling materials using alpha masks, for example a metal material with a rust material. How…