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check for malformed table in scan_for_tube_objects()

This commit is contained in:
Vanessa Ezekowitz 2014-02-08 21:54:06 -05:00
parent 012aa39821
commit 458fbb6240
1 changed files with 1 additions and 1 deletions
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2
autoplace_tubes.lua
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@ -131,7 +131,7 @@ local function tube_autoroute(pos)
end
function pipeworks.scan_for_tube_objects(pos)
if pos == nil then return end
if not pos or not pos.x or not pos.y or not pos.z then return end
tube_autoroute({ x=pos.x-1, y=pos.y , z=pos.z })
tube_autoroute({ x=pos.x+1, y=pos.y , z=pos.z })
tube_autoroute({ x=pos.x , y=pos.y-1, z=pos.z })