class_name OverworldSingleton extends Node

signal mapChanged(newMap:PackedScene, playerDestinationNodeName:String)

var newMap:PackedScene
var playerDestinationNodeName:String

func _init() -> void:
	pass

func _exit_tree() -> void:
	TRANSITION.fadeOutEnd.disconnect(onFadeOutEnd)
	TRANSITION.fadeInEnd.disconnect(onFadeInEnd)

func mapChange(map:PackedScene, playerDestinationNodeName:String) -> void:
	TRANSITION.fade(TransitionSingleton.FadeType.FADE_OUT)
	TRANSITION.fadeOutEnd.connect(onFadeOutEnd)
	newMap = map
	self.playerDestinationNodeName = playerDestinationNodeName

func onFadeOutEnd() -> void:
	TRANSITION.fadeOutEnd.disconnect(onFadeOutEnd)
	TRANSITION.fade(TransitionSingleton.FadeType.FADE_IN)
	TRANSITION.fadeInEnd.connect(onFadeInEnd)
	mapChanged.emit(newMap, playerDestinationNodeName)


func onFadeInEnd() -> void:
	TRANSITION.fadeInEnd.disconnect(onFadeInEnd)
	newMap = null


func isMapChanging() -> bool:
	# If the newMap is set, then we are in the process of changing maps.
	return newMap != null