@Alpha, that tutorial has a bit of misinformation and doesn't go over much that isn't covered already (Decompiling, importing SMDs to Max, basic artist tips like gathering reference). @Aivanov, that link that we've posted above (And I've now pasted on the front page) goes over the masks and the 8 textures required in them.…
This happens even if my metalness masks and spec masks are set very low or even to black. No changes to mask1 and mask2 that I've tried have made any difference so far. EDIT: Sorted it. It wasn't anything I was doing wrong, it was an issue with my computer. Thanks for the help though! :D
Zip, what are you using to view the masks' shading? The Alien Swarm model viewer? Reason I'm asking is because it even shows Valve's own materials and masks incorrectly on many of the heroes, so you may be simply compensating for using a non-Dota SDK and hence it may not look right in-game.