miggor-StreamGraph/classes/deck/nodes/set_deck_var.gd

# (c) 2023-present Eroax
# (c) 2023-present Yagich
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
extends DeckNode


func _init() -> void:
	name = "Set Deck Var"
	node_type = name.to_snake_case()
	description = "Set a deck variable on trigger."
	category = "general"

	add_input_port(
		DeckType.Types.STRING,
		"Variable Name",
		"field"
	)

	add_input_port(
		DeckType.Types.ANY,
		"Value",
		"field"
	)

	add_input_port(
		DeckType.Types.BOOL,
		"Set",
		"button"
	)

	add_output_port(
		DeckType.Types.ANY,
		"Value",
		"label"
	)


func _receive(to_input_port: int, _data: Variant, _extra_data: Array = []) -> void:
	if to_input_port != 2:
		return

	var var_name: String = resolve_input_port_value(0)
	var var_value: Variant = resolve_input_port_value(1)

	_belonging_to.variable_stack[var_name] = var_value

	send(0, var_value)

# this can probably go into DeckNode with a different name that makes it clear
# that it prioritizes call-time resolution
# EDIT: done, see DeckNode#resolve_input_port_value
func get_value_for_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