*

Assets/Scripts/SoundSystem/AiSound.cs

@@ -0,0 +1,71 @@
+using System.Diagnostics;
+using System.Linq;
+using UnityEngine;
+using System.Collections;
+using Debug = UnityEngine.Debug;
+
+public class AiSound : MonoBehaviour {
+    public AudioSource audio;
+    private bool _isPlaying;
+    private float _startTime;
+    public float rangeScale = 1.0f;
+    public float StartTime {
+        get { return _startTime; }
+    }
+    public bool IsPlaying {
+        get { return _isPlaying; }
+    }
+    
+	
+	void Start () {
+	
+	}
+
+    private void BroadcastBeginPlaying() {
+        _startTime = Time.time;
+
+        var overlapped = Physics2D.OverlapCircleAll(transform.position, audio.maxDistance * rangeScale);
+        var listeners = overlapped.Select(v => v.gameObject.GetComponent<AiSoundListener>()).Where(v => v != null).Distinct().ToList();
+
+        if (listeners.Count() != 0) {
+            foreach (var listener in listeners) {
+                listener.OnSoundStart(this);
+                Debug.Log("Broadcast begin playing to object: " + listener.name);
+            }
+        }
+        else {
+            Debug.Log("AiSound started but no listeners found");
+        }
+       
+
+      
+    }
+
+    private void BroadcastEndPlaying() {
+        Debug.Log("EndPlaying");
+    }
+ 
+	
+	void Update () {
+	    if (audio != null) {
+	        if (_isPlaying != audio.isPlaying) {
+	            if (!_isPlaying) {
+	                BroadcastBeginPlaying();
+	            }
+	            else {
+	                BroadcastEndPlaying();
+	            }
+	        }
+	        _isPlaying = audio.isPlaying;
+	    }
+	    else {
+	        Debug.LogWarning("AiSound AudioSource is null!!!", this);
+	    }
+	}
+
+    void OnDrawGizmos() {
+        if (audio != null) {
+            AdvancedGizmo.DrawCircle(transform.position, Vector3.forward, audio.maxDistance * rangeScale, Color.green);
+        }
+    }
+}

Assets/Scripts/SoundSystem/AiSound.cs.meta

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+guid: 8fd9d1ef233396e4a9fdb2019f8f8c19
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 

Assets/Scripts/SoundSystem/AiSoundListener.cs

@@ -0,0 +1,41 @@
+using System.Linq;
+using UnityEngine;
+using System.Collections;
+using System.Collections.Generic;
+
+public class AiSoundListener : MonoBehaviour {
+
+    private List<AiSound> _sensibleSounds = new List<AiSound>();
+    private AiSound _latestSound;
+    public AiSound LatestSound {
+        get { return _latestSound; }
+    }
+    public void OnSoundStart(AiSound sound) {
+        if (sound == null) {
+            return;
+        }
+        if (!_sensibleSounds.Contains(sound)) {
+            _sensibleSounds.Add(sound);
+        }
+        _latestSound = FindLatest();
+    }
+
+    public AiSound FindLatest(float volumeTreshold = 0) {
+        if (_sensibleSounds.Count == 0) {
+            return null;
+        }
+        return _sensibleSounds.OrderByDescending(v => v.StartTime).First();
+    }
+
+    // Use this for initialization
+	void Start () {
+	
+	}
+	
+	void Update () {
+	    _sensibleSounds.RemoveAll(v => !v.IsPlaying);
+        if (!_sensibleSounds.Contains(_latestSound)) {
+            _latestSound = FindLatest();
+        }
+	}
+}

Assets/Scripts/SoundSystem/AiSoundListener.cs.meta

@@ -0,0 +1,9 @@
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+guid: 687dc430974c4b642a8e3118eb2f9628
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: