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, "CEIL5_1" )

LineDefFlags = LF_TWOSIDED
LineDefFrontSector = sec
LineDefBackSector = nSectors
Down
LineDefFrontAboveTexture = "EXITSIGN"
For i, 0, 1
	LineDefFrontXOffset = 0
	Move 32
	Left
	LineDefFrontXOffset = 32
	Move 8
	Left
Next
