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Don't change the channel if the new channel is nil

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This commit is contained in:
Carter Kolwey 2014-06-05 00:55:29 -05:00
parent d674101936
commit ccd3fbe7ed
1 changed files with 4 additions and 2 deletions
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6
digilines_inventory/init.lua
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@ -55,8 +55,10 @@ mychest = tableMergeImmutable(defaultChest,{
meta:set_string("formspec",meta:get_string("formspec").."\nfield[2,4.5;5,1;channel;Channel;${channel}]")
end,
on_receive_fields = function(pos, formname, fields, sender)
minetest.get_meta(pos):set_string("channel",fields.channel)
return defer(defaultChest.on_receive_fields, pos, formname, fields, sender)
if fields.channel ~= nil then
minetest.get_meta(pos):set_string("channel",fields.channel)
return defer(defaultChest.on_receive_fields, pos, formname, fields, sender)
end
end,
tube = tableMergeImmutable(defaultChest.tube, {
-- note: mese filters cannot put part of a stack in the destination.