I was flying on map in GtkRadiant and i found a...
300 brushes rubbish. That made 3000 useless portals. I deleted it and everything was working. But i want to know what i can to do to make complicated brushes without thousands of useless portals? I use func_static, that makes this brush invisible for compilator at VIS stage, but can't build and wallwalk on these entities (i used it in Paint7 for make some places "unbuildable"). What about detail brushes?