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fix crash on invalid msg

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This commit is contained in:
Vanessa Ezekowitz 2015-06-10 12:18:50 -04:00
parent ee4a3a39ce
commit c3199a3d2b
1 changed files with 1 additions and 1 deletions
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2
init.lua
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@ -41,7 +41,7 @@ local on_digiline_receive = function(pos, node, channel, msg)
local meta = minetest.get_meta(pos)
local setchan = meta:get_string("channel")
if setchan ~= channel then return end
local num = tonumber(msg)
local num = tonumber(msg) or 0
if msg == "colon" or msg == "period" or msg == "off" or (num >= 0 and num <= 9) then
minetest.swap_node(pos, { name = "nixie_tubes:tube_"..msg, param2 = node.param2})
end