minetest-mods/mesecons
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Audit code for possible nil value indexing with unregistered nodes.

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This commit is contained in:
Anthony Zhang
2013-06-22 15:43:58 -04:00
parent ec63bd3abf
commit 96011bc718
6 changed files with 67 additions and 49 deletions
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8
mesecons_movestones/init.lua
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@ -92,9 +92,11 @@ minetest.register_entity("mesecons_movestones:movestone_entity", {
local direction = mesecon:get_movestone_direction(pos)
if not direction then -- no mesecon power
--push only solid nodes
local name = minetest.env:get_node(pos).name
if name ~= "air" and name ~= "ignore"
and minetest.registered_nodes[name].liquidtype == "none" then
and ((not minetest.registered_nodes[name])
or minetest.registered_nodes[name].liquidtype == "none") then
mesecon:mvps_push(pos, self.lastdir, MOVESTONE_MAXIMUM_PUSH)
end
minetest.env:add_node(pos, {name="mesecons_movestones:movestone"})
@ -176,9 +178,11 @@ minetest.register_entity("mesecons_movestones:sticky_movestone_entity", {
local direction = mesecon:get_movestone_direction(pos)
if not direction then -- no mesecon power
--push only solid nodes
local name = minetest.env:get_node(pos).name
if name ~= "air" and name ~= "ignore"
and minetest.registered_nodes[name].liquidtype == "none" then
and ((not minetest.registered_nodes[name])
or minetest.registered_nodes[name].liquidtype == "none") then
mesecon:mvps_push(pos, self.lastdir, MOVESTONE_MAXIMUM_PUSH)
--STICKY
mesecon:mvps_pull_all(pos, self.lastdir)