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

2013-12-10 21:18:29 -05:00 · 2013-12-10 21:18:29 -05:00 · e4a7af5858
commit e4a7af5858
parent ebfa12205a
1 changed files with 2 additions and 0 deletions
--- a/autoplace_tubes.lua
+++ b/autoplace_tubes.lua
@ -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)