Can someone explain please?
Here is MAPS.TXT:
[Map 004]
lookup_name=Catacombs
map_name=TBCTCCRY
music=02CTCMBS
;ambient_sfx=gntlwin1:20, gntlwind:20, dogbark:20, dogbark1:20, gustwind:10, gustwin1:10
ambient_sfx=electri1:20, elevato1:15, elevator:15, mechpum1:10, mechpump:10, blank:30...