extends StaticBody3D
## A smashable lobby barrel. Joins the &"barrel" group so the HUD can tally how many
## remain and fire the "cleared the lobby" reward once the last one bursts.

signal destroyed

# Preload the broken barrel scene
const BARREL_BROKEN_SCENE = preload("res://tscn_s/BarrelBroken.tscn")

var _destroyed := false


func _ready() -> void:
	add_to_group(&"barrel")


func destroy_barrel():
	# Guard against a double hit in the same frame counting the same barrel twice.
	if _destroyed:
		return
	_destroyed = true

	# 1. Instantiate the broken pieces
	var broken_instance = BARREL_BROKEN_SCENE.instantiate()

	# 2. Place the fragments exactly where the intact barrel currently is
	broken_instance.global_transform = self.global_transform

	# 3. Add the fragments to the main game tree
	get_parent().add_child(broken_instance)

	# 4. (Optional) Apply a physics push to the fragments if you want an explosive effect
	for child in broken_instance.get_children():
		if child is RigidBody3D:
			# Pushes pieces slightly outward and upward
			var random_direction = Vector3(randf_range(-1, 1), randf_range(0.5, 1.5), randf_range(-1, 1)).normalized()
			child.apply_central_impulse(random_direction * 5.0)

	# 5. Announce the smash (the HUD counts down remaining barrels) and remove the barrel
	destroyed.emit()
	queue_free()