extends Node2D

var MenuScene;

func _ready():
	
	
	SettingsSingleton.CheckVideoSettings();
	SettingsSingleton.CheckAudioSettings();
	SettingsSingleton.CheckDLC();
	
	if SettingsSingleton.GetFirstStartup():
		FirstStartup();
		InitMenu();
		return ;
	
	
	Input.set_mouse_mode(Input.MOUSE_MODE_VISIBLE)
	
	SettingsSingleton.CheckCurrentLanguage();
	
	$Text.text = tr("ui_loading");
	
	InitMenu();

func FirstStartup():
	var _temp = SceneLoader.connect("on_scene_loaded", self, "LangLoaded")
	SceneLoader.load_scene("res://scenes/SelectLanguageScene.tscn");

func LangLoaded(obj):
	if obj.path == "res://scenes/SelectLanguageScene.tscn":
		visible = false;
		get_tree().root.add_child(obj.instance);
		SceneLoader.disconnect("on_scene_loaded", self, "LangLoaded");

func InitMenu():
	var _temp = SceneLoader.connect("on_scene_loaded", self, "MenuLoaded")
	var scenes = [
		"res://scenes/MainMenu.tscn", 
		"res://scenes/SettingsScene.tscn", 
	]
	for i in scenes:
		SceneLoader.load_scene(i);

var loadIndex = 0;
func MenuLoaded(obj):
	loadIndex += 1;
	
	if obj.path == "res://scenes/MainMenu.tscn":
		MenuScene = obj.instance;
	
	if loadIndex == 2:
		visible = false;
		get_tree().root.add_child(MenuScene);
		
		SceneLoader.disconnect("on_scene_loaded", self, "MenuLoaded");



const commonScenes:Array = [
	"res://scenes/BackgroundScenes/Scene2.tscn", 
	"res://scenes/BackgroundScenes/Scene2_1.tscn", 
	"res://scenes/BackgroundScenes/Panorama.tscn", 
	"res://scenes/BackgroundScenes/Garaj.tscn", 
	"res://scenes/BackgroundScenes/Kamin.tscn", 




	"res://scenes/BackgroundScenes/Death_stairs_girl.tscn", 
	"res://scenes/BackgroundScenes/Chernii_ekran.tscn", 
	"res://scenes/GameEnd/WinScene.tscn", 
	"res://scenes/GameEnd/LooseScene.tscn", 
];

onready var commonScenesThread:Thread;
var commonScenesLoaded:bool = false;

func LoadCommonScenes():
	if commonScenesLoaded:
		return ;
	
	commonScenesThread = Thread.new();
	commonScenesThread.start(self, "PrepareCommonScenes", commonScenes, Thread.PRIORITY_LOW);

func PrepareCommonScenes(scenes:Array):
	commonScenesLoaded = true;
	
	for i in scenes:
		if commonSceneLoadStop:
			return ;
		var _n = load(i);

func _exit_tree():
	commonScenesThread.wait_to_finish()



func LoadBeginningScenes():
	var beginningScenes = [
		"res://scenes/BackgroundScenes/Scene0.tscn", 
		"res://scenes/BackgroundScenes/Scene8.tscn", 
		"res://scenes/BackgroundScenes/Train_video.tscn", 
		"res://scenes/BackgroundScenes/Scene7.tscn", 
		"res://scenes/BackgroundScenes/Scene6.tscn", 
		"res://scenes/BackgroundScenes/Scene4.tscn", 
	];
	for i in beginningScenes:
		SceneLoader.load_scene(i);

func ShowLoader():
	$Text.text = tr("ui_loading");
	visible = true;

var commonSceneLoadStop:bool = false;
onready var exitLabel = $ExitLabel;
func PrepareExit():
	ShowLoader();
	exitLabel.visible = true;
	SceneLoader.stop_scene_loader();
	get_tree().root.get_node("MainMenu").queue_free();
	commonSceneLoadStop = true;
	









































var temp;

func BenchmarkScene():
	var scenes = [
		"res://scenes/Credits.tscn", 
	];
	
	if false:
		
		SceneLoader.clear_cache();
		temp = OS.get_ticks_msec();
		for i in scenes:
			PrepareBackgroundAsync(i);
	else :
		
		for i in scenes:
			temp = OS.get_ticks_msec();
			var _scene = load(i).instance();
			_scene = null;
			print(str(i, " ", OS.get_ticks_msec() - temp, " ms"));

func PrepareBackgroundAsync(sceneName:String):
	if not SceneLoader.is_connected("on_scene_loaded", self, "async_scene_loaded"):
		var _temp = SceneLoader.connect("on_scene_loaded", self, "async_scene_loaded")
	
	SceneLoader.load_scene(sceneName);

func async_scene_loaded(_obj):
	print(OS.get_ticks_msec() - temp, " ms");