Attached Link: http://www.runtimedna.com/mod/forum/messages.php?ShowMessage=391935

And quinlor found that you could exploit the difference between Diffuse node calculations with Normals_Forward enabled versus disabled.

---

Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)