Fix glitch in tube autorouter

(brain-o in how I was handling unknown/bad nodes being passed to it.  this
works better and lets the code do its job properly).
This commit is contained in:
Vanessa Ezekowitz 2013-12-24 09:11:26 -05:00
parent 5dda1a4654
commit 7488f6c091

View File

@ -17,11 +17,7 @@ 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 (type(node.param2) == "number" and node.param2 > 0 and node.param2 < 23) then
return "back"
end
if node and (node.param2 < 0 or node.param2 > 23) then node.param2 = 0 end
--get a vector pointing back
local backdir = minetest.facedir_to_dir(node.param2)