fixed port conflicts

Unity-Master/Assets/Scripts/Multiplayer/ConvaiSimpleUDPAudioReceiver.cs

@@ -66,7 +66,7 @@ namespace Convai.Scripts.Runtime.Multiplayer
                 var cfg = networkConfigAsset != null ? networkConfigAsset : NetworkConfig.Instance;
                 if (cfg != null)
                 {
-                    listenPort = cfg.port;
+                    listenPort = cfg.multiplayerAudioPort;
                 }
             }
             InitializeNetwork();
@@ -79,6 +79,16 @@ namespace Convai.Scripts.Runtime.Multiplayer
             }
         }
 
+        private void OnEnable()
+        {
+            // When re-enabled, ensure listener is running
+            if (_cancellationTokenSource == null)
+            {
+                _cancellationTokenSource = new CancellationTokenSource();
+            }
+            StartListening();
+        }
+        
         private void OnDestroy()
         {
             // Unsubscribe from events
@@ -92,6 +102,12 @@ namespace Convai.Scripts.Runtime.Multiplayer
             _cancellationTokenSource?.Dispose();
         }
 
+        private void OnDisable()
+        {
+            // Free the UDP port when this NPC gets disabled
+            StopListening();
+        }
+        
         private void Update()
         {
             // Auto-stop listening if no packets received for a while
@@ -115,8 +131,13 @@ namespace Convai.Scripts.Runtime.Multiplayer
         
         private void InitializeConvai()
         {
-            // Get target NPC
+            // Prefer local ConvaiNPC on the same GameObject, then fall back to active NPC
-            if (useActiveNPC)
+            var localNPC = GetComponent<ConvaiNPC>();
+            if (localNPC != null)
+            {
+                targetNPC = localNPC;
+            }
+            else if (useActiveNPC)
             {
                 targetNPC = ConvaiNPCManager.Instance?.GetActiveConvaiNPC();
             }

Unity-Master/Assets/Scripts/Multiplayer/ConvaiSimpleUDPAudioSender.cs

@@ -56,7 +56,7 @@ namespace Convai.Scripts.Runtime.Multiplayer
                 if (cfg != null)
                 {
                     targetIP = cfg.ipAddress;
-                    targetPort = cfg.port;
+                    targetPort = cfg.multiplayerAudioPort;
                 }
             }
             InitializeNetwork();

Unity-Master/Assets/Scripts/Multiplayer/ConvaiUDPSpeechReceiver.cs

@@ -113,13 +113,22 @@ namespace Convai.Scripts.Runtime.Multiplayer
                 var cfg = networkConfigAsset != null ? networkConfigAsset : NetworkConfig.Instance;
                 if (cfg != null)
                 {
-                    listenPort = cfg.port;
+                    listenPort = cfg.multiplayerSpeechPort;
                 }
             }
             InitializeAudio();
             InitializeNetwork();
         }
 
+        private void OnEnable()
+        {
+            if (_cancellationTokenSource == null)
+            {
+                _cancellationTokenSource = new CancellationTokenSource();
+            }
+            StartListening();
+        }
+        
         private void OnDestroy()
         {
             StopListening();
@@ -127,6 +136,11 @@ namespace Convai.Scripts.Runtime.Multiplayer
             _cancellationTokenSource?.Dispose();
         }
 
+        private void OnDisable()
+        {
+            StopListening();
+        }
+        
         private void Update()
         {
             // Process playback queue

Unity-Master/Assets/Scripts/Multiplayer/ConvaiUDPSpeechSender.cs

@@ -62,7 +62,7 @@ namespace Convai.Scripts.Runtime.Multiplayer
                 if (cfg != null)
                 {
                     targetIP = cfg.ipAddress;
-                    targetPort = cfg.port;
+                    targetPort = cfg.multiplayerSpeechPort;
                 }
             }
             InitializeNetwork();
@@ -93,8 +93,13 @@ namespace Convai.Scripts.Runtime.Multiplayer
         
         private void InitializeConvai()
         {
-            // Get target NPC
+            // Prefer local ConvaiNPC on the same GameObject, then fall back to active NPC
-            if (useActiveNPC)
+            var localNPC = GetComponent<ConvaiNPC>();
+            if (localNPC != null)
+            {
+                sourceNPC = localNPC;
+            }
+            else if (useActiveNPC)
             {
                 sourceNPC = ConvaiNPCManager.Instance?.GetActiveConvaiNPC();
             }

Unity-Master/Assets/Scripts/NetworkConfig.cs

@@ -7,6 +7,10 @@ public class NetworkConfig : ScriptableObject
     public string ipAddress = "127.0.0.1";
     public int port = 8080;
     
+    [Header("Multiplayer Ports")] 
+    public int multiplayerAudioPort = 12345;   // For ConvaiSimpleUDPAudio (send/receive)
+    public int multiplayerSpeechPort = 12346;  // For ConvaiUDPSpeech (send/receive)
+
     private static NetworkConfig _instance;
     public static NetworkConfig Instance
     {