EntityTexture has a layer parameter, specifically so that you can put multiple textures on models. If you mean multiples in different parts of the mesh, then you can do that with GetChild() and CountChildren() or FindChild() if you know the names of each "child".
If you want it masked, can you not remove the mask channel, just use the vine texture and paint on THAT texture the areas you want masked and then set that texture layer to use the masked flag?
Sorry if I'm a bit vague on the specifics, it's been a long time since i used b3d.
If you want it masked, can you not remove the mask channel, just use the vine texture and paint on THAT texture the areas you want masked and then set that texture layer to use the masked flag?
Sorry if I'm a bit vague on the specifics, it's been a long time since i used b3d.