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Better way to catch that incoming nil, return a real value on the way out

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Vanessa Ezekowitz 2013-12-10 21:18:29 -05:00
parent ebfa12205a
commit e4a7af5858
1 changed files with 2 additions and 0 deletions
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autoplace_tubes.lua
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@ -28,6 +28,8 @@ end
--a function for determining which side of the node we are on
local function nodeside(node, tubedir)
if not tubedir or not node or not node.param2 then return "back" end
--get a vector pointing back
local backdir = minetest.facedir_to_dir(node.param2)