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| author | shivajiva101 <shivajiva101@hotmail.com> | 2018-05-09 09:48:01 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-05-09 09:48:01 +0100 |
| commit | bdc7e8e4f259d6d2b54b70e058842611495b06aa (patch) | |
| tree | 4f70018ff74151635c46490a48f0a2a22df142c7 | |
| parent | 9cc52883265cab590da9ce6472c041a816737fd6 (diff) | |
fix crash vector
add nil check to prevent crash, fixes #17
| -rw-r--r-- | class_layout.lua | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/class_layout.lua b/class_layout.lua index 7c263a6..14c116b 100644 --- a/class_layout.lua +++ b/class_layout.lua @@ -18,7 +18,10 @@ local get_node_image = function(pos, node) -- Record what kind of thing we've got in a builder node so its facing can be rotated properly if minetest.get_item_group(node.name, "digtron") == 4 then - local build_item = node_image.meta.inventory.main[1] + local build_item = "" + if node_image.meta.inventory.main then + build_item = node_image.meta.inventory.main[1] + end if build_item ~= "" then local build_item_def = minetest.registered_nodes[ItemStack(build_item):get_name()] if build_item_def ~= nil then @@ -462,4 +465,4 @@ function DigtronLayout.deserialize(layout_string) self.old_pos_pointset = Pointset.create() -- needed by the write_layout method, leave empty return self -end
\ No newline at end of file +end |