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catch nil return from facedir_to_dir() in tube autoplace code

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Vanessa Ezekowitz 2013-12-10 21:09:38 -05:00
parent bd58778810
commit 4f9c7a43c9
1 changed files with 1 additions and 1 deletions
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autoplace_tubes.lua
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@ -29,7 +29,7 @@ end
--a function for determining which side of the node we are on --a function for determining which side of the node we are on
local function nodeside(node, tubedir) local function nodeside(node, tubedir)
--get a vector pointing back --get a vector pointing back
local backdir = minetest.facedir_to_dir(node.param2) local backdir = minetest.facedir_to_dir(node.param2) or {}
--check whether the vector is equivalent to the tube direction; if it is, the tube's on the backside --check whether the vector is equivalent to the tube direction; if it is, the tube's on the backside
if backdir.x == tubedir.x and backdir.y == tubedir.y and backdir.z == tubedir.z then if backdir.x == tubedir.x and backdir.y == tubedir.y and backdir.z == tubedir.z then