Problem with cloning a node tree

Questions
#1

Heya.

I’m really stumped about this one…

The code:

pprint(self.currentInteractable.nodes[hash("itemContainerTile_bdummy")])
pprint(gui.clone_tree(self.currentInteractable.nodes[hash("itemContainerTile_bdummy")]))

The output:

DEBUG:SCRIPT: box@(-160, -90, 0)
DEBUG:SCRIPT: 
{ --[[000001423600D660]]
  hash: [] = i@(0, 0, 0)
}

How is it that, if there very clearly is a node present, its clone is then non-existent?

#2

Strange. How was the node created that you are cloning? Can you share a full example?

#3

Gladly -

if message_id == hash("open_chest") then

		local cloned_tree = gui.clone_tree(gui.get_node("itemContainer_bdummy"))

		self.currentInteractable.nodes = cloned_tree

		gui.set_position(cloned_tree[hash("itemContainer_bdummy")], vmath.vector3(960, 900, 0))
		gui.set_text(cloned_tree[hash("itemContainer_tdummy")], message.name)

		gui.set_enabled(cloned_tree[hash("itemContainer_bdummy")], true)

		gui.set_enabled(cloned_tree[hash("itemContainerTile_bdummy")], false)

		self.currentInteractable.name = message.name

		self.interactableInUse = true


		local num = 0
		for _,item in pairs(message.contents) do
			num = num + 1

			msg.post("world#item_control", "save_container", { contents = message.contents, name = message.name })

			pprint(self.currentInteractable.nodes[hash("itemContainerTile_bdummy")])
			pprint(gui.clone_tree(self.currentInteractable.nodes[hash("itemContainerTile_bdummy")]))

			local proto = self.currentInteractable.nodes[hash("itemContainerTile_bdummy")]
			local cloned_tree = gui.clone_tree(proto)

			gui.set_position(cloned_tree[hash("itemContainerTile_bdummy")], vmath.vector3(-160, -90, 0))
			gui.set_text(cloned_tree[hash("itemContainerTile_tdummy")], string.sub(item.name, 0, 1))

			gui.set_enabled(cloned_tree[hash("itemContainerTile_bdummy")], true)

			table.insert(self.currentInteractable.contents, { id = num, name = item.name, node = cloned_tree[hash("itemContainerTile_bdummy")]})

		end

	end

A lot of this stuff is more or less irrelevant, but I thought I should copy it all, just to be sure.
The code first clones the “itemContainer_bdummy” tree, does some stuff with it, and then, in the for-loop, should clone the “itemContainerTile_bdummy” node from the cloned tree; which is where specifically the gui.clone_tree() function has problems with, and fails to actually clone everything.

The node hierarchy in question:
bdummy

Thanks!

1 Like
#4

Tried it out by simply taking the prefab tree as the node-to-be-cloned, rather than the one I already cloned and stored in “self.currentInteractable.nodes” - This works.

local cloned_tree = gui.clone_tree(gui.get_node("itemContainerTile_bdummy"))

It’s kind of a workaround as the cloned tree won’t, for example, have the right parent and position, but not a big deal, just requires some correction afterwards.
Still, it’s weird that it doesn’t work with my previous code…

#5

What if you don’t clone the clone so to speak in the for-loop and instead also at that time clone from the original dummy node?

#6

I think you’re describing what I did in my previous reply in the topic? As I said there, it works, and the workaround isn’t a big deal.

I was just like 90% sure when I created the topic that it’s just an error on my part and I’m doing something wrong; but I guess it’s… some kind of bug? Seems like unintended behaviour, at least

#7

You’re right.

Probably. It would be great if you could create a ticket on GitHub!