After taking a closer look at node arrangements above, my conclusion is that the shader, as presented, is inadequate for Superfly.  The Weave node is intended to give a false pattern reflection to the dress material, which is, in my opinion, impossible to duplicate in Superfly.  What you desire is an iridescent, reflective look to the dress that reacts realistically to its environment.  In the rendered image below, I have a side-by-side comparison of 2 dresses, the left with the shaders posted above and the right with my own Cycles shaders.  I used an HDRI background and one infinite light set to 50% intensity.

I would need to tinker some more with the shaders but if you find this works for you, I can post the material nodes.  The shader is Superfly only, based on Cycles, and procedurally created.  However, additional work is needed to embed patterns and designs.