ICTS_2021/Unity3/Assets/GameCore/Managers/TimeManager.cs

using UnityEngine;
using System.Collections;
using ICTS.Localization;

public class TimeManager : MonoBehaviour
{
	#region Unity Singleton
	private static TimeManager _instance;

	public static TimeManager Instance
	{
		get
		{
			if (_instance == null)
			{
				_instance = FindObjectOfType(typeof(TimeManager)) as TimeManager;
				if (_instance == null)
				{
					AVDebug.LogError(string.Format("No gameObject with {0} component exists. Make sure to create a gameObject with {0} component", new System.Diagnostics.StackFrame().GetMethod().DeclaringType));
				}
			}

			return _instance;
		}
	}

	void Awake()
	{
		if (_instance != null && _instance != this)
		{
			AVDebug.LogWarning(string.Format("{0} Instance already exists on another gameObject. Destroying this gameObject {1}", this.GetType().Name, gameObject.name));
			Destroy(gameObject);
			return;
		}

		_instance = this;
		DontDestroyOnLoad(gameObject);
		enabled = false;
		RegisterListeners();
	}

	void OnDestroy()
	{
		UnregisterListeners();
	}
	#endregion

	float _timeLeft;
	public bool IsReachingEndOfLevel { get { return _timeLeft <= 10; } }

	bool _isSpawningEnemies;

	public long StartServerTime { get; set; }
	public long EndServerTime { get; set; }
	public long PauseStartServerTime { private get; set; }
	public long PauseEndServerTime {
		set
		{
			StartServerTime += value - PauseStartServerTime;
			PauseStartServerTime = 0;
		}
	}

	void RegisterListeners()
	{
		NotificationCenter.AddListener(OnStartTimer, NotificationType.StartGameTimer);
		NotificationCenter.AddListener(OnStartSpawningEnemies, NotificationType.StartSpawningEnemies);
		NotificationCenter.AddListener(OnGameOver, NotificationType.GameOver);
		NotificationCenter.AddListener(OnTimeBonus, NotificationType.TimeBonus);
		DebugViewManager.OnDebugView += OnDebugView;
	}

	void UnregisterListeners()
	{
		NotificationCenter.RemoveListener(OnStartTimer, NotificationType.StartGameTimer);
		NotificationCenter.RemoveListener(OnStartSpawningEnemies, NotificationType.StartSpawningEnemies);
		NotificationCenter.RemoveListener(OnGameOver, NotificationType.GameOver);
		NotificationCenter.RemoveListener(OnTimeBonus, NotificationType.TimeBonus);
		DebugViewManager.OnDebugView -= OnDebugView;
	}

	void OnDebugView()
	{
		if (GUILayout.Button("Fake Time Up"))
		{
			TimeUp();
		}
	}

	public void CustomFixedUpdate()
	{
		if (!_isSpawningEnemies)
		{
			return;
		}

		_timeLeft -= Time.deltaTime;
		if (_timeLeft <= 0)
		{
            MenuManager._instance.IsLevelEnd = true;
            TimeUp();
		}
		NotificationCenter.Post(NotificationType.TimeLeftUpdate, _timeLeft);
	}

	void OnStartTimer(Notification note)
	{
		enabled = true;
		_isSpawningEnemies = false;
	    MenuManager._instance.IsLevelEnd = false;
        _timeLeft = (int)note.data;
	}

	void OnStartSpawningEnemies(Notification note)
	{
		_isSpawningEnemies = true;
	}

	void OnGameOver(Notification note)
	{
		enabled = false;
	}

	void OnTimeBonus(Notification note)
	{
		int timeBonus = (int)note.data;
		_timeLeft += timeBonus;
		NotificationCenter.Post(NotificationType.Announcement, string.Format(Localization.instance.Get("timeBonus.text"), timeBonus));
	}

	void TimeUp()
	{
		GameOverData data = new GameOverData(GameOverData.Reason.TimeUp);
		NotificationCenter.Post(NotificationType.TransitToGameOver, data);
	    _isSpawningEnemies = false;
        _timeLeft = 0;
	}
}