Major_Project_A/Assets/Scripts/MainMenuControllerServer.cs

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

public class MainMenuControllerServer : MonoBehaviour
{
   // public GameObject SettingsMenu;
    public GameObject MainMenu;

    //public Button SoundButton;
    //public Button MusicButton;
    //public Button DifficultyButton;

    bool soundVolume = true;
    bool musicVolume = true;
    int difficulty = 1;

    //On Awake
    private void Awake()
    {
        MainMenu.SetActive(true);
        //SettingsMenu.SetActive(false);
    }

    //Main Menu Options
    public void OnPlayClick()
    {
        UnityEngine.SceneManagement.SceneManager.LoadScene("Lobby");
    }
    public void OnQuitClick()
    {
        Application.Quit();
    }

    public void OnSettingsClick()
    {
        //toggle which menu displays
        MainMenu.SetActive(false);
        //SettingsMenu.SetActive(true);
    }

    //Settings menu
    public void OnMusicVolumeClick()
    {
        if (musicVolume == true)
        {
            //backgroundMusic.Stop();
            //MusicButton.GetComponentInChildren<Text>().text = "Music Volume: OFF";
            musicVolume = false;
        }
        else
        {
            //backgroundMusic.Play();
            //MusicButton.GetComponentInChildren<Text>().text = "Music Volume: ON";
            musicVolume = true;
        }
    }

    public void OnDifficultyClick()
    {
        if (difficulty == 1)
        {
            //DifficultyButton.GetComponentInChildren<Text>().text = "Difficulty: MEDIUM";
            difficulty = 2;
        }
        else if (difficulty == 2)
        {
            //DifficultyButton.GetComponentInChildren<Text>().text = "Difficulty: HARD";
            difficulty = 3;
        }
        else
        {
            //DifficultyButton.GetComponentInChildren<Text>().text = "Difficulty: EASY";
            difficulty = 1;
        }
    }
}