extends DeckNode


func _init() -> void:
	name = "Multiply Vector by Scalar"
	node_type = "vector_multiply"
	description = ""
	category = "math"

	add_input_port(
		DeckType.Types.DICTIONARY,
		"Vector"
	)
	add_input_port(
		DeckType.Types.NUMERIC,
		"Scalar",
		"field"
	)

	add_output_port(
		DeckType.Types.DICTIONARY,
		"Result"
	)


func _value_request(on_port: int) -> Variant:
	var v = request_value(0)

	if !v:
		return null

	if !(v as Dictionary).has("x") || !(v as Dictionary).has("y"):
		return null

	var s = float(get_value_for_input_port(1))

	return {"x": v.x * s, "y": v.y * s}


func get_value_for_input_port(port: int) -> Variant:
	if request_value(port) != null:
		return request_value(port)
	elif get_input_ports()[port].value_callback.get_object() && get_input_ports()[port].value_callback.call() != null:
		return get_input_ports()[port].value_callback.call()
	else:
		return null