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extends Timer
var enemy_holder : Node
var queue : Array
func fetch ():
var root = get_tree().root.get_node("world")
enemy_holder = root.get_node("enemies")
func next ():
if queue.size() == 0: return null
var n = queue[0]
queue.remove(0)
return n
func _on_timer_batch_timeout():
# fetch called by wave
var n = next()
if n == null:
queue_free()
return
enemy_holder.spawn(n.enemy)
start(n.cooldown)
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