using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

public class MultiplayerNickUI : MonoBehaviour
{
	[SerializeField]
	private CanvasGroup canvasGroup;

	[SerializeField]
	private Text nickTemplate;

	private Dictionary<Text, MultiplayerAvatarControler> currentNicks = new Dictionary<Text, MultiplayerAvatarControler>();

	private void MultiplayerAvatarControler_OnUpdateRemote(MultiplayerAvatarControler mac)
	{
		foreach (KeyValuePair<Text, MultiplayerAvatarControler> currentNick in currentNicks)
		{
			if (currentNick.Value == mac)
			{
				return;
			}
		}
		Text text = Object.Instantiate(nickTemplate, canvasGroup.transform);
		text.gameObject.SetActive(value: true);
		text.text = mac.photonView.Owner.NickName;
		currentNicks.Add(text, mac);
	}

	private void MultiplayerManager_On_EnterRoomLocation()
	{
		canvasGroup.alpha = 1f;
	}

	private void OnEnable()
	{
		nickTemplate.gameObject.SetActive(value: false);
		MultiplayerAvatarControler.OnUpdateRemote += MultiplayerAvatarControler_OnUpdateRemote;
		MultiplayerManager.On_EnterRoomLocation += MultiplayerManager_On_EnterRoomLocation;
	}

	private void OnDisable()
	{
		MultiplayerAvatarControler.OnUpdateRemote -= MultiplayerAvatarControler_OnUpdateRemote;
		MultiplayerManager.On_EnterRoomLocation -= MultiplayerManager_On_EnterRoomLocation;
	}

	private void Update()
	{
		List<Text> list = new List<Text>();
		foreach (KeyValuePair<Text, MultiplayerAvatarControler> currentNick in currentNicks)
		{
			if (currentNick.Value == null)
			{
				list.Add(currentNick.Key);
			}
		}
		foreach (Text item in list)
		{
			currentNicks.Remove(item);
			Object.Destroy(item.gameObject);
		}
		foreach (KeyValuePair<Text, MultiplayerAvatarControler> currentNick2 in currentNicks)
		{
			Text key = currentNick2.Key;
			MultiplayerAvatarControler value = currentNick2.Value;
			if (Camera.main != null && GameManager.Instance.addectiveSceneLoaded == "none")
			{
				float num = Vector3.Distance(value.transform.position, Camera.main.transform.position);
				float num2 = Vector3.Angle(value.transform.position - Camera.main.transform.position, Camera.main.transform.forward);
				if (num <= 50f && num2 > -90f && num2 < 90f)
				{
					key.gameObject.SetActive(value: true);
					Vector3 position = value.transform.position + Vector3.up * 2f;
					Vector3 position2 = Camera.main.WorldToScreenPoint(position);
					currentNick2.Key.transform.position = position2;
				}
				else
				{
					key.gameObject.SetActive(value: false);
				}
			}
			else
			{
				key.gameObject.SetActive(value: false);
			}
		}
	}
}