DOOM BSP (XMAS) TREE :p . * . (IDKFA) ---\ | /--- \|/ ( ROOT NODE ) ( Partition ) /`--...___...-`\ / \ / \ o--( Node 1 )--o o--( Node 2 )--o / Front \ / Back \ / | \ / | \ / o \ / o \ [SUBSECTOR] ( Node 3 ) [SUBSECTOR] | (Leaf A)| / \ | (Leaf B)| |_________| / \ |_________| [SEGS] / \ [SEGS] ( Gift ) [SUBSECTOR] [SUBSECTOR] ( Gift ) | (Leaf C)| | (Leaf D)| |_________| |_________| [SEGS] [SEGS]
This is etched into my mind.
IDDQD = id delta quit delta (apparently some kind of inside joke)
IDSPISPOPD = id smashing pumpkins into small piles of putrid debris