Entroper on 15 October 2007
I thought it was going to be a property of all brushes. Tick the box for "you can't put a portal on this brush" rather than slapping a func_noportal_volume up against it.
I haven't used Hammer since it was called Worldcraft, so I'm really not up on its features. I don't really have time for that kind of thing anymore. :(
