ProjectZ/Assets/Scripts/UI/GUI/GUI.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using Mirror;
using Characters;
using TMPro;
using StarterAssets;

public class GUI : MonoBehaviour
{
    public Interactions interactions;
    public PersonController personController;
    public Pawn pawn;

    public Image crosshair;
    public TMP_Text energyText;

    public bool isCursoreHide = true;

    public GameObject menuUI;
    public GameObject looserUI;
    public GameObject restartUI;
    public GameObject winnerUI;


    public TMP_Text winnerText;
    private string _playerListText;

    private Vector3 _lerpCrosshairDist;
    private float _hitDistanceInversed;

    private CustomNetworkManager networkManager;
    private NetworkGameManager networkGameManager;

    void Update()
    {
        CrosshairSize();

        energyText.text = personController.currentEnergy.ToString("N0");

        if (Input.GetKeyDown(KeyCode.Escape))
        {
            changeMenuState();
        }
    }

    void Start()
    {
        networkManager = (CustomNetworkManager)CustomNetworkManager.singleton;
        networkGameManager = NetworkGameManager.singleton;
        Cursor.lockState = CursorLockMode.Locked;

        pawn.OnLiveState += OnLiveState;

        networkGameManager.RestartCallback += OnRestartUI;
    }

    private void OnLiveState(Pawn player, bool state)
    {
        if (!state)
        {
            looserUI.SetActive(true);
        }
        else
        {
            looserUI.SetActive(false);
        }
    }

    void OnRestartUI()
    {
        restartUI.SetActive(true);
        winnerUI.SetActive(true);

        if (networkGameManager.winner != null)
        {
            winnerText.text = "The winner is: " + networkGameManager.winner.GetComponent<PersonController>().playerName + " !";
        }
    }

    public void Restart()
    {
        OnRestartUI();
        networkGameManager.CmdRestartScene();
    }

    void CrosshairSize()
    {
        _hitDistanceInversed = interactions.maxHitDistance + 2 - interactions.hitDistance;

        if (interactions.hitDistance < interactions.maxHitDistance && interactions.canInterract)
        {
            crosshair.color = Color.green;
        }
        else
        {
            crosshair.color = Color.white;
        }

        Vector3 crosshairDist = new Vector3(_hitDistanceInversed, _hitDistanceInversed, 0);
        _lerpCrosshairDist = Vector3.Lerp(_lerpCrosshairDist, crosshairDist, Time.deltaTime * 10);

        crosshair.rectTransform.localScale = _lerpCrosshairDist / 5;
    }

    public void changeMenuState()
    {
        isCursoreHide = !isCursoreHide;

        menuUI.SetActive(!isCursoreHide);
        crosshair.enabled = isCursoreHide;

        foreach (var player in networkManager.players)
        {
            name = player.GetComponent<PersonController>().playerName;

        }

        Cursor.lockState = isCursoreHide ? CursorLockMode.Locked : CursorLockMode.None;
    }

    public void BackToMenu()
    {
        // stop host if host mode
        if (NetworkServer.active && NetworkClient.isConnected)
        {
            networkManager.StopHost();
        }
        // stop client if client-only
        else if (NetworkClient.isConnected)
        {
            networkManager.StopClient();
        }
        // stop server if server-only
        else if (NetworkServer.active)
        {
            networkManager.StopServer();
        }
    }
}