Keys: Fix crash when using unconfigured default:key

Since meta secret field is blank on any keys (default:key) obtained using
/give, the game will crash if you attempt to use one of these. This follows
along the principle that the game should never have any reason to crash.
master
octacian 2017-03-15 22:03:52 -07:00 committed by paramat
parent 68212967c0
commit 07e11427cf
1 changed files with 6 additions and 1 deletions

View File

@ -562,7 +562,12 @@ function default.can_interact_with_node(player, pos)
local key_meta = item:get_meta()
if key_meta:get_string("secret") == "" then
key_meta:set_string("secret", minetest.parse_json(item:get_metadata()).secret)
local key_oldmeta = item:get_metadata()
if key_oldmeta == "" or not minetest.parse_json(key_oldmeta) then
return false
end
key_meta:set_string("secret", minetest.parse_json(key_oldmeta).secret)
item:set_metadata("")
end