Godot 4

[ephread]

This PR tracks the changes required to run inkgd in Godot 4. (Also see #55)

Global

• Replace keywords by annotations (for instance @tool and @onready).
• Replace all function names that clash with protected keywords, such as continue, assert or null.
• Replace remaining spaces by tabs.
• Add the super keyword in front of unqualified . accesses.
• Replace Reference by RefCounted.
• Update the getter / setter syntax.
• Replace Array.remove() by Array.remove_at()

Runtime

• Replace JSON.parse() logic by an instance of JSON.
• Update all Variant.Type enum values in InkUtils.

Editor Plugin

• Update the syntax connecting signals (now obj.funcA.connect(funcB)).
• Rename get_icon to get_theme_icon.
• Update the argument order of OS.execute.
• Replace PoolStringArray by PackedStringArray.
• Replace PackedScene.instance() by PackedScene.instantiate().
• Review and update all LineEdit connections.
• Remove Label.add_font_override() calls and use Label.font property instead.

[ephread]

This script might also be useful, although I wouldn't run it on the codebase as-is. https://gist.github.com/aaronfranke/79b424226475d277d0035b7835b09c5f

[Jummit]

I converted the entire project to Godot 4 using the built-in tool, and here are some notable things I encountered:

• FuncRefs and threads should use callables
• Cyclic references are still a problem sadly

[ephread]

@Jummit perfect, thanks for investigating this. Did you push the conversion somewhere? I'm really curious to see what it looks like and if it maintains member orders.

I still need to land a couple of things in main before starting the conversion. I want prevent the Godot 3.x and the Godot 4.x versions of inkgd from diverging too much, but it's pretty close to being done.

We should be able to start the migration soon.

[lunarcloud]

Seems that "minimum_size" was changed to "custom_minimum_size"

[Jummit]

• Cyclic references are still a problem sadly

I currently have cyclic dependencies in scripts using class_name, so it seems like it's working! I think this would simplify a lot of the codebase.

[Jummit]

Gave this a shot again.

I removed the get_class functions and used the is operator in is_ink_class. This works, but a lot of code needs to be replaced to use class references instead of strings.

static func is_ink_class(object, name_of_class: GDScript) -> bool:
	return (object is Object) && object.get_script() == name_of_class

All the "imports" can be removed, as cyclic references are now possible.

Setters and getters are interesting, I think they work different than before. In 3.5 you could use the . syntax to use the getter, now it uses it by default. I think this is the main cause for issues at the moment.

Maybe I'll try again another time, but it's too tedious for me at the moment.

[ephread]

Closed in favour of #75.