Reusing actions on actors of unknown type?

[Shadowblitz16]

Take a script like this for example...

class_name MoveTowardMouse extends ActionLeaf


func tick(actor, blackboard: Blackboard):
	var target_position := get_viewport().get_mouse_position()
	actor.position.move_towards(target_position)
	
	if actor.position.distance_to(target_position) < 1:
		return SUCCESS
	return RUNNING

How do we know actor contains a variable position of type Vector2?
How do we ensure the action is not attached to something it can't work on?

[lostptr]

Yeah I miss having this but I dont think is possible due to the nature of gdscript. It works with duck typing and its very useful for prototyping. For this to be possible we would need gdscript to have generics and interfaces (or traits).

PS: Now I see you where the one that opened the generics proposal lmao

[RedstoneParadox]

I personally just do this at the start of tick()

var _actor : Actor = actor as Actor

It's not the most elegant solution and will crash if actor is not an Actor instance, but I don't intend on attaching a behavior tree to something that isn't an Actor.

[lostptr]

Could this be a planned feature for #285?
Not that it would work on gdscript, but would there be a possibility of doing this to enable this feature if the person is using, say, C#?
Just a thought tho