grunk/src/props/physics/holdable.gd

class_name Holdable extends Node
## Component for holdable elements

@export var hold_distance := 1.0
@export var controller: RigidBody3D


func _ready() -> void:
	if not controller:
		controller = _default_controller()
	assert(controller, "Holdable %s has no valid controller!" % str(self))

	controller.add_user_signal(Interactive.SELECT_SIGNAL)
	controller.connect(Interactive.SELECT_SIGNAL, select)
	controller.add_user_signal(Interactive.DESELECT_SIGNAL)
	controller.connect(Interactive.DESELECT_SIGNAL, deselect)
	controller.add_user_signal(Interactive.ACTIVATE_SIGNAL)
	controller.connect(Interactive.ACTIVATE_SIGNAL, activate)


func _default_controller() -> RigidBody3D:
	return get_parent() as RigidBody3D


func select() -> void:
	Tutorial.manager.activate("game/tutorial/progress/pick_up")
	Player.instance.hud.hold_hud.select_prop()


func deselect() -> void:
	Player.instance.hud.hold_hud.deselect()


func activate() -> void:
	if not Player.instance.hold_component.holding_object():
		Player.instance.hold_component.attach(controller, hold_distance)