So I have been looking some stuff, and can't seem to find anything on how to convert a horizontal cubemap layout into a horizontal cross like what UDK supports. I found this http://www.cgtextures.com/content.php?action=tutorial&name=cubemaps but the script seems to miss one of the squares (I'm guessing an error as this is…
Cubemapgen can do this http://developer.amd.com/archive/gpu/cubemapgen/pages/default.aspx#b Granted a working photoshop script would be much faster. edit: just tested out Cube Map shuffler that comes with Nvidia DDS tools for Photoshop CS5 and it works fine.