extends Node

@onready var game: GameController = $".."
@onready var crates: Node2D = $"../Crates"
var bullet = preload("res://scenes/bullet.tscn")
var bullet_array = []
var total_allowed_bullets = 7

# Called when the node enters the scene tree for the first time.
func _ready() -> void:
	build_level()

func build_level() -> void:
	# count crates
	var total_crates = 0
	for obj in crates.get_children():
		if obj is Crate:
			total_crates += 1
	# tell game controller
	game.number_of_crates(total_crates)
	
func bullet_factory():
	var my_bullet
	if bullet_array.size() < total_allowed_bullets:
		# new bullet
		my_bullet = bullet.instantiate()
		my_bullet.connect('bullet_hit', game.bullet_damage)
		owner.add_child(my_bullet)
	else:
		# recycle bullet
		my_bullet = bullet_array.pop_back()
		
	bullet_array.push_front(my_bullet)
	return my_bullet
	
func make_bullet(position, speed):
	print('Scene manager makes a bullet')
	var my_bullet = bullet_factory()
	my_bullet.set_speed(speed)
	my_bullet.transform = position