x = MapX
y = MapY
PointInWhichSector ( sec, x, y )
If Equal("sec,-1") Then
	Show "Not inside a sector!"
	Exit
Endif
SectorDuplicate ( sec )
GetSectorProperty ( ch, nSectors, CeilingHeight )
SetSectorProperty ( nSectors, CeilingHeight, ch - 16 )
SetSectorProperty ( nSectors, CeilingTexture, "FLAT23" )

LineDefFlags = LF_TWOSIDED
LineDefFrontSector = sec
LineDefBackSector = nSectors
Down
LineDefFrontAboveTexture = "EXITSIGN"
LineDefFrontXOffset = 0
Move 32
Left
LineDefFrontXOffset = 32
Move 8
Left
LineDefFrontXOffset = 0
Move 32
Left                   
LineDefFrontXOffset = 32
Move 8
