diff options
author | DS <vorunbekannt75@web.de> | 2017-10-31 18:56:10 +0100 |
---|---|---|
committer | Vanessa Ezekowitz <vanessaezekowitz@gmail.com> | 2017-10-31 13:56:10 -0400 |
commit | 37d49142cfebc821bc6fd994fb7e7ae8dba9d66d (patch) | |
tree | 04bc21dbcb2bc2b85ba9c132dc069c24a791bf7e | |
parent | e056800cea806be2a16476e338d8f8df9d8520ba (diff) |
supply_converter: avoid crashes caused by wrong digiline message types (#397)
-rw-r--r-- | technic/machines/supply_converter.lua | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/technic/machines/supply_converter.lua b/technic/machines/supply_converter.lua index aa41791..8527bcf 100644 --- a/technic/machines/supply_converter.lua +++ b/technic/machines/supply_converter.lua @@ -72,6 +72,9 @@ local digiline_def = { receptor = {action = function() end}, effector = { action = function(pos, node, channel, msg) + if type(msg) ~= "string" then + return + end local meta = minetest.get_meta(pos) if channel ~= meta:get_string("channel") then return @@ -90,7 +93,7 @@ local digiline_def = { meta:set_int("enabled", 1) elseif msg == "toggle" then local onn = meta:get_int("enabled") - onn = -(onn-1) -- Mirror onn with pivot 0.5, so switch between 1 and 0. + onn = 1-onn -- Mirror onn with pivot 0.5, so switch between 1 and 0. meta:set_int("enabled", onn) elseif msg:sub(1, 5) == "power" then local power = tonumber(msg:sub(7)) @@ -103,6 +106,8 @@ local digiline_def = { meta:set_int("power", power) elseif msg:sub(1, 12) == "mesecon_mode" then meta:set_int("mesecon_mode", tonumber(msg:sub(14))) + else + return end set_supply_converter_formspec(meta) end |