Making destroyable glass ... thats intresting. But how ? Creating flying glass sprites ? Particles ? Best would be a mdl file of the window with a break animation i guess. Isnt there any tool creating such a animation ?
, automatic culling of area's only work with blocks in WED compiled maps right? So I think regions (and camera clip.far ofcourse) are probably needed anyway.
dont know to be honest. Maybe creating complete "floors" as map entity, loading removing them when needed, but this sounds not fast while thinking about.
good questions ^^
edit to post below:
Ahh sure, the CLIPPED flag becomes usefull here too.