send message to remove deleted scene objects when a new player loads

TestVelGameServer/Assets/VelGameServer/NetworkManager.cs

@@ -25,7 +25,8 @@ public class NetworkManager : MonoBehaviour
 	public Action<NetworkPlayer> onPlayerLeft = delegate { };
 
 	public List<NetworkObject> prefabs = new List<NetworkObject>();
-	NetworkObject[] sceneObjects;
+	public NetworkObject[] sceneObjects;
+	public List<string> deletedSceneObjects = new List<string>();
 	public Dictionary<string, NetworkObject> objects = new Dictionary<string, NetworkObject>(); //maintains a list of all known objects on the server (ones that have ids)
 	NetworkPlayer masterPlayer = null;
 	#endregion
@@ -96,7 +97,7 @@ public class NetworkManager : MonoBehaviour
 						{
 
 							//we got a left message, kill it
-							//change ownership of all objects to
+							//change ownership of all objects to master
 
 							foreach (KeyValuePair<string, NetworkObject> kvp in objects)
 							{
@@ -126,6 +127,7 @@ public class NetworkManager : MonoBehaviour
 							player.manager = this;
 							players.Add(m.sender, player);
 							onPlayerJoined(player);
+							
 						}
 					}
 				}
@@ -147,6 +149,7 @@ public class NetworkManager : MonoBehaviour
 						{
 							sceneObjects[i].networkId = -1 + "-" + i;
 							sceneObjects[i].owner = masterPlayer;
+							sceneObjects[i].isSceneObject = true; //needed for special handling when deleted
 							objects.Add(sceneObjects[i].networkId,sceneObjects[i]);
 						}
 						
@@ -380,4 +383,18 @@ public class NetworkManager : MonoBehaviour
     {
 		SendNetworkMessage("5:" + groupname + ":" + String.Join(":", userids));
     }
+	public void deleteNetworkObject(string networkId) 
+    {
+		if (objects.ContainsKey(networkId)) 
+		{
+			NetworkObject obj = objects[networkId];
+            if (obj.isSceneObject)
+            {
+				deletedSceneObjects.Add(networkId);
+            }
+			GameObject.Destroy(obj.gameObject);
+			objects.Remove(networkId);
+		}
+		
+	}
 }

TestVelGameServer/Assets/VelGameServer/NetworkObject.cs

@@ -10,5 +10,6 @@ public abstract class NetworkObject: MonoBehaviour
     public NetworkPlayer owner;
     public string networkId; //this is forged from the combination of the creator's id (-1 in the case of a scene object) and an object id, so it's always unique for a room
     public string prefabName; //this may be empty if it's not a prefab (scene object)
+    public bool isSceneObject=false;
     public abstract void handleMessage(string identifier, byte[] message);
 }

TestVelGameServer/Assets/VelGameServer/NetworkPlayer.cs

@@ -34,6 +34,8 @@ public class NetworkPlayer : MonoBehaviour, Dissonance.IDissonancePlayer
 
     public List<int> closePlayers = new List<int>(); //for testing audio communications
     public bool changeClosePlayers = true;
+
+
     void Start()
     {
         myObject.owner = this;
@@ -62,8 +64,7 @@ public class NetworkPlayer : MonoBehaviour, Dissonance.IDissonancePlayer
             
         }
 
-
+       
-
     }
 
     public void handlePlayerJoined(NetworkPlayer player)
@@ -79,6 +80,12 @@ public class NetworkPlayer : MonoBehaviour, Dissonance.IDissonancePlayer
                     
                 }
             }
+
+            if (isMaster)
+            {
+                //send a list of scene object ids when someone joins
+                sendSceneUpdate();
+            }
         }
     }
     
@@ -189,15 +196,21 @@ public class NetworkPlayer : MonoBehaviour, Dissonance.IDissonancePlayer
 
                         break;
                     }
-                case "8": //I'm trying to destroy a gameobject I own (I guess this is sent to everyone)
+                case "8": //I'm trying to destroy a gameobject I own
                     {
                         string networkId = sections[1];
 
-                        if (manager.objects.ContainsKey(networkId) && manager.objects[networkId].owner == this)
+                        manager.deleteNetworkObject(networkId);
-                        { 
+                        break;
-                            GameObject.Destroy(manager.objects[networkId].gameObject);
+                    }
-                            manager.objects.Remove(networkId);
+                case "9": //deleted scene objects
+                    {
+                        
+                        for (int k = 1; k < sections.Length; k++)
+                        {
+                            manager.deleteNetworkObject(sections[k]);
                         }
+                            
                         break;
                     }
             }
@@ -278,6 +291,7 @@ public class NetworkPlayer : MonoBehaviour, Dissonance.IDissonancePlayer
     {
         if (!manager.objects.ContainsKey(networkId) || manager.objects[networkId].owner != this || !isLocal) return; //must be the local owner of the object to destroy it
         manager.sendTo(NetworkManager.MessageType.ALL_ORDERED, "8," + networkId); //send to all, which will make me delete as well
+
     }
 
     public void takeOwnership(string networkId)
@@ -289,5 +303,11 @@ public class NetworkPlayer : MonoBehaviour, Dissonance.IDissonancePlayer
 
     }
 
+    public void sendSceneUpdate()
+    {
+       
+        manager.sendTo(NetworkManager.MessageType.OTHERS, "9," + string.Join(",", manager.deletedSceneObjects));
+    }
+
     
 }

server_basics.txt

@@ -63,10 +63,7 @@ An interesting problem is what to do when new clients join.  This is partially l
 Clients can manage network traffic using messaging groups.  This is especially useful for audio, where you can maintain a list of people close enough to you to hear audio 
 
 Todo: 
-
+ 
-Scene objects that are destroyed need to be buffered to new clients.
-Instantiation byte[] (full sync, basically).   
-Need to determine what happens when you specifically leave a room (session).