class_name SCENEMANAGER extends Node2D

const bulletscn = preload("res://Scenes/bullet.tscn")
@onready var game: Node2D = $".."
@onready var triggers: Node2D = $"../Triggers"

func _ready() -> void:
	if triggers:
		for obj in triggers.get_children():
			if obj is Trigger: 
				obj.areaTriggerSignal.connect(game._on_trigger)
	
var bullets: Array[Bullet] = []
const MAX_BULLETS = 10
var current_bullet = 0

# makes and recycles bullets
func bulletFactory() -> Bullet:
	if len(bullets) < MAX_BULLETS:
		# create new bujllet
		var b = bulletscn.instantiate()
		b.bulletDamageSignal.connect(game.bulletDamage)
		add_child(b)
		bullets.append(b)
		return b
	else:
		# recycle
		var i = current_bullet
		current_bullet = (current_bullet + 1) % MAX_BULLETS
		bullets[i].visible = true
		return bullets[i]
		

func makeBullet(pos: Transform2D, dir: int) -> Node2D:
	var b = bulletFactory()
	# b.position = pos.get_origin()
	b.transform = pos
	b.setSpeed(dir * 700)
	return b