Another random doombuilder feature, requested by me!
It works great! Thanks CodeImp!
Try it out by hitting the filter button.
(http://i446.photobucket.com/albums/qq189/Jwaffe/Untitled-7.png)
(http://i446.photobucket.com/albums/qq189/Jwaffe/thingsfilteradvanced.png)
Just wanted to let you guys know, to help you out with your invasion mapping. Now you can have it show one wave of monster spawners at a time.