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Add check for unknown nodes.

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* Check if node has a definition table before attempting to evaluate its
  attributes.
* Define local variable to cache multiple accesses to `registered_nodes[]`
  and improve readability.
This commit is contained in:
kabou 2022-03-09 02:05:38 +01:00
parent b9c2c3bd0a
commit 4a1b93bbfa
1 changed files with 4 additions and 2 deletions
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6
mods/ENTITIES/mobs_mc/enderman.lua
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@ -478,7 +478,8 @@ mobs:register_mob("mobs_mc:enderman", {
-- Selected node needs to have 3 nodes of free space above -- Selected node needs to have 3 nodes of free space above
for u=1, 3 do for u=1, 3 do
local node = minetest.get_node({x=nodepos.x, y=nodepos.y+u, z=nodepos.z}) local node = minetest.get_node({x=nodepos.x, y=nodepos.y+u, z=nodepos.z})
if minetest.registered_nodes[node.name].walkable then local ndef = minetest.registered_nodes[node.name]
if ndef and ndef.walkable then
node_ok = false node_ok = false
break break
end end
@ -512,7 +513,8 @@ mobs:register_mob("mobs_mc:enderman", {
node_ok = true node_ok = true
for u=1, 3 do for u=1, 3 do
local node = minetest.get_node({x=nodepos.x, y=nodepos.y+u, z=nodepos.z}) local node = minetest.get_node({x=nodepos.x, y=nodepos.y+u, z=nodepos.z})
if minetest.registered_nodes[node.name].walkable then local ndef = minetest.registered_nodes[node.name]
if ndef and ndef.walkable then
node_ok = false node_ok = false
break break
end end