Fix all of the nullable issues

MistoxServer/Client/MistoxClient.cs

@@ -20,7 +20,7 @@ namespace Mistox.Client {
         public Vector3 Position { get; set; } = new Vector3(0, 0, 0);               // My world position
         public float MaxNetworkRenderDistance { get; private set; } = 0;            // The distance for connections
 
-        public mTCPClient ServerConnection {get; private set; }                     // Global TCP Server Connection
+        public mTCPClient? ServerConnection {get; private set; }                     // Global TCP Server Connection
         public UdpClient ClientSocket { get; private set; }                         // Global UDP Sender
         public UDPReceiver UdpReceiver { get; private set; }                        // Global UDP Receiver
 
@@ -36,6 +36,14 @@ namespace Mistox.Client {
             UserName = userName;
             ConnectionKey = connectionKey;
 
+            onServerConnected += () => {};
+            onUserConnected += (_) => {};
+            onUserJoined += (_) => {};
+            onDataReceived += (_,_) => {};
+            onUserLeft += (_) => {};
+            onUserDisconnected += (_) => {};
+            onServerDisconnected += () => {};
+
             // Create and connect to server on TCP
             Console.WriteLine( "The client is initilized and trying to connect to the server at ip : " + Server.Address );
             try {
@@ -116,6 +124,7 @@ namespace Mistox.Client {
 
         async Task TryAuth() {
             Console.WriteLine("Attempting to authenticate against the server...");
+            if (ServerConnection == null) return;
             await ServerConnection.Send(new UserAuthPacket {
                 UserName = UserName,
                 ConnectionKey = ConnectionKey
@@ -158,8 +167,8 @@ namespace Mistox.Client {
         }
 
         // When generic data is received
-        public event Action<dynamic> onDataReceived;
-        public void InvokeOnReceived(dynamic DataPacket, mUDPClient remote = null){
+        public event Action<mUDPClient?, dynamic> onDataReceived;
+        public void InvokeOnReceived(dynamic DataPacket, mUDPClient? remote = null){
             switch (DataPacket as object)  {
                 case HeartbeatPacket packet:
                     HeartbeatReceived(packet); 
@@ -173,7 +182,7 @@ namespace Mistox.Client {
                     Console.WriteLine("Received a null packet.");
                     break;
                 default:
-                    onDataReceived?.Invoke(DataPacket);
+                    onDataReceived?.Invoke(remote, DataPacket);
                     break;
             }
         }
@@ -219,6 +228,7 @@ namespace Mistox.Client {
         }
 
         public async Task SendServer<Packet>(Packet data) {
+            if (ServerConnection == null) return;
             await ServerConnection.Send( data );
         }
     }