class_name SceneManager extends Node2D
var bulletArray =[]
var totalAllowedBullets = 7
var bullet = preload("res://scenes/bullet.tscn")
@onready var game: Node2D = $".."
@onready var triggers: Node2D = $"../triggers"

# Called when the node enters the scene tree for the first time.
func _ready() -> void:
	if triggers:
		for obj in triggers.get_children():
			if obj is Trigger:
				obj.areaTriggerSignal.connect(game._on_trigger)


# Called every frame. 'delta' is the elapsed time since the previous frame.
func _process(delta: float) -> void:
	pass

# makes and recycles bullets
func bulletFactory():
	var myBullet:Bullet
	if bulletArray.size() < totalAllowedBullets:
		#make a new bullet
		myBullet = bullet.instantiate()
		myBullet.bulletDamageSignal.connect(game.bulletDamage)
		owner.add_child(myBullet)
	else:
		myBullet = bulletArray.pop_back()
		
	bulletArray.push_front(myBullet)
	return myBullet
	
func makeBullet(position, speed):
	var someBullet = bulletFactory()
	someBullet.setSpeed(speed)
	# postition the bullet
	someBullet.transform = position