Implemented pauses on AudioManager

Assets/Scripts/Sound/AudioManager.cs

@@ -1,16 +1,82 @@
+using AppleHills.Core.Settings;
+using Bootstrap;
+using Core;
+using PuzzleS;
 using UnityEngine;
+using UnityEngine.Audio;
+using Bootstrap;
+using AppleHills.Core;
+using AppleHills.Core.Interfaces;
 
-public class AudioManager : MonoBehaviour
+public class AudioManager : MonoBehaviour, IPausable
 {
+    /// <summary>
+    /// Play all audio, just music or no audio at all when the game is paused.
+    /// </summary>
+    public enum PauseBehavior
+    {PlayAllAudio, MusicOnly, NoAudio}
+
+    public PauseBehavior currentPauseBehavior;
+
+    public AudioMixer _audioMixer;
+    private AudioListener _audioListener;
+
+
+    private static AudioManager _instance;
+    private GameObject _player;
+
+    /// <summary>
+    /// Singleton instance of the AudioManager.
+    /// </summary>
+    public static AudioManager Instance => _instance;
+
+    void Awake()
+    {
+        _instance = this;
+
+        // Register for post-boot initialization
+        BootCompletionService.RegisterInitAction(InitializePostBoot);
+        GameManager.Instance.RegisterPausableComponent(this);
+    }
+
+    private void InitializePostBoot()
+    {
+
+    }
+
     // Start is called once before the first execution of Update after the MonoBehaviour is created
     void Start()
     {
-        
+        _player = QuickAccess.Instance.PlayerGameObject;
+        _audioListener = QuickAccess.Instance.MainCamera.GetComponent<AudioListener>();   
     }
 
-    // Update is called once per frame
-    void Update()
+    public void SetAudioPauseBehavior(PauseBehavior newPauseBehavior)
     {
-        
+        switch (newPauseBehavior)
+        {
+            case PauseBehavior.PlayAllAudio:
+                _audioMixer.updateMode = AudioMixerUpdateMode.UnscaledTime;
+                AudioListener.pause = false;
+                break;
+            case PauseBehavior.MusicOnly:
+                _audioMixer.updateMode = AudioMixerUpdateMode.UnscaledTime; break;
+            //TODO: Pause all audio mixers except music mixer
+            case PauseBehavior.NoAudio:
+                _audioMixer.updateMode = AudioMixerUpdateMode.Normal;
+                AudioListener.pause = true;
+                break;
+
+        }
+    }
+
+    public void Pause()
+    {
+        SetAudioPauseBehavior(PauseBehavior.NoAudio);
+    }
+
+    public void DoResume()
+    {
+        SetAudioPauseBehavior(PauseBehavior.PlayAllAudio);
     }
 }