class_name DragonInstantiator

var _dragon_template: PackedScene
var _positions: Array[Vector2i] = []

func _init(dragon: PackedScene, positions: Array[Node2D]) -> void:
	_dragon_template = dragon
	for pos in positions:
		_positions.push_back((Vector2i)(pos.position))


func instantiate() -> Node:
	var position: Vector2i = _positions[0]
	return _instantiate_dragon(position)


func _instantiate_dragon(relative_position: Vector2i) -> Node:
	var dragon: Window = _dragon_template.instantiate()
	
	var window_position: Vector2i = DisplayServer.window_get_position()
	var window_size: Vector2i = DisplayServer.window_get_size()
	
	dragon.position = window_position + relative_position - dragon.size / 2
	dragon.main_window_rect = Rect2i(window_position, window_size)
	dragon.show()
	
	return dragon