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[Question] [Solved] Persistent variables in tool script (suppo.fi)

submitted 1 year ago* (last edited 1 year ago) by Bezier@suppo.fi to c/godot@programming.dev

6 comments fedilink hide all child comments

My script sets this value in editor. How can I keep the the changes when saving the scene?

class Anchor:
	var offset: Vector3
	var connected: Node3D
	var end: bool

var anchors: Array[Anchor]

I found this issue, so I tried fiddling with _get_property_list(), but that didn't work. It also doesn't seem that I can export the var.

Thanks

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[–] ICastFist@programming.dev 2 points 1 year ago (2 children)

Had to look up how to do that, as apparently the docs don't have that kind of information. I did come across this SO question. So, the solution would be:

#anchor.gd
class_name Anchor

var offset: Vector3
var connected: Node3D
var end: bool

And that would create this new, readily accessible class throughout the project, correct?

[+] Jayjader@eldritch.cafe 3 points 1 year ago (1 children)

[deleted]

[–] Bezier@suppo.fi 3 points 1 year ago (1 children)

Thanks for that link, I now have learned why it didn't originally work (and that other features like reference counting aren't employed by default!).

The solution, if anyone needs this in the future:

# Separate file
extends Resource
class_name Anchor

@export var offset: Vector3
@export var connected: Node3D
@export var end: bool

It adds namespace pollution, but I'll deal with it by prefixing it with the original script's class.

[–] Jayjader@eldritch.cafe 2 points 1 year ago

@Bezier yeah it's good to know about the differences between Object and RefCounted when you're making custom data containers.

Personally, I've been suffixing my custom/"game object" resources with "-Rs", as in I have PlayerRs, FileRs, DownloadRs, etc.

The namespace pollution is definitely part of the trade-off from just preloading wherever you need the class.

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