Fix all of the nullable issues

CLI/Help/Documentation.txt

@@ -1,15 +0,0 @@
-The servers default port is 25566
-
-
-TCPServer.cs
-	Void		TCPServer()						Initilizes the server object on the default game port of 25566
-	Void		SendAll(string Data)			Send data to all the clients
-	Event		onReceived						Fires when data is received from a client
-
-TCPClient.cs
-	Void		TCPClient(String ServerIP)		Initilizes the client object
-	Void		Send(String Data)				Sends data to the server
-	Event		onReceived						Fires when data is received from the server
-
-UDPClient.cs
-	

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 );
         }
     }

MistoxServer/Client/TCPClient.cs

@@ -48,10 +48,11 @@ namespace Mistox.Client {
                         await ns.ReadExactlyAsync(payloadBuffer, 0, Header.DataLength);
 
                         // Create the dataobject
-                        dynamic dataobject = DataPacket.Deserialize( Header, payloadBuffer.AsMemory(DataPacket.HeaderLength, Header.DataLength) );
-
-                        // Return the object
-                        _parent.InvokeOnReceived(dataobject);
+                        object? dataobject = DataPacket.Deserialize( Header, payloadBuffer.AsMemory(DataPacket.HeaderLength, Header.DataLength) );
+                        if (dataobject != null) {
+                            // Return the object
+                            _parent.InvokeOnReceived(dataobject);   
+                        }
 
                     }
                 } catch (Exception e) {

MistoxServer/Client/UDPReceiver.cs

@@ -21,9 +21,9 @@ namespace Mistox.Client {
                     UdpReceiveResult udpPacket = await _parent.ClientSocket.ReceiveAsync();
 
                     // Try find the user
-                    mUDPClient client = null;
-                    bool clientExists = _parent.clientConnections.TryGetValue(udpPacket.RemoteEndPoint, out client);
-                    if (clientExists) {
+                    mUDPClient? client = null;
+                    _parent.clientConnections.TryGetValue(udpPacket.RemoteEndPoint, out client);
+                    if (client != null) {
                         
                         // Create the data readers
                         ReadOnlyMemory<byte> dataMemory = udpPacket.Buffer.AsMemory();
@@ -39,10 +39,12 @@ namespace Mistox.Client {
                         ReadOnlyMemory<byte> data = dataMemory.Slice(DataPacket.HeaderLength, Header.DataLength);
 
                         // Extract the object
-                        dynamic buildObj = DataPacket.Deserialize( Header, data );
+                        object? buildObj = DataPacket.Deserialize( Header, data );
+                        if (buildObj != null) {
 
-                        // Return the object
-                        _parent.InvokeOnReceived( buildObj, client );
+                            // Return the object
+                            _parent.InvokeOnReceived( buildObj, client );
+                        }
 
                     }
                 } catch( Exception e ) {

MistoxServer/GameServer.cs

@@ -19,7 +19,7 @@ namespace Mistox {
             return new MistoxServer(listenerAddress, serverName);
         }
 
-        public static MistoxClient newClient( string UserName, string ServerIPOrHostName, int Port, string ConnectionKey = "" ) {
+        public static MistoxClient? newClient( string UserName, string ServerIPOrHostName, int Port, string ConnectionKey = "" ) {
             
             // Build the network packet list
             NetworkPacketDictionary.BuildNetworkPacketList();

MistoxServer/MistServer.csproj

@@ -2,6 +2,7 @@
 
   <PropertyGroup>
     <TargetFramework>net10.0</TargetFramework>
+    <Nullable>enable</Nullable>
   </PropertyGroup>
 
   <ItemGroup>

MistoxServer/Server/MistoxServer.cs

@@ -22,6 +22,9 @@ namespace Mistox.Server {
         public MistoxServer(IPEndPoint ListenerAddress, string serverName) {
             ServerName = serverName;
             Listener = new ServerListener(ListenerAddress, this);
+            onUserConnected += (_) => {};
+            onDataReceived += (_, _) => {};
+            onUserDisconnected += (_) => {};
             Console.WriteLine( "The Server is initilized and waiting for clients to connect at port : " + ListenerAddress.Port );
         }
 
@@ -80,7 +83,7 @@ namespace Mistox.Server {
 
         public event Action<ServerConnection, object> onDataReceived;
         public void InvokeDataReceived( ServerConnection user, dynamic data ){
-            switch (data)  {
+            switch (data) {
                 case UserAuthPacket packet when !user.IsAuthenticated:
                     _ = RunAsync(async () => {
                         await ProcessAuthRequest(user, packet); 

MistoxServer/Server/ServerConnection.cs

@@ -55,10 +55,11 @@ namespace Mistox.Server {
                         await ns.ReadExactlyAsync(payloadBuffer, 0, Header.DataLength, _cts.Token);
 
                         // Create the dataobject
-                        dynamic dataobject = DataPacket.Deserialize( Header, payloadBuffer.AsMemory(DataPacket.HeaderLength) );
-
-                        // Return the object
-                        _parent.InvokeDataReceived(this, dataobject);
+                        object? dataobject = DataPacket.Deserialize( Header, payloadBuffer.AsMemory(DataPacket.HeaderLength) );
+                        if (dataobject != null) {
+                            // Return the object
+                            _parent.InvokeDataReceived(this, dataobject);
+                        }
 
                     }
                 } catch (Exception e) {

MistoxServer/Server/ServerListener.cs

@@ -32,14 +32,15 @@ namespace Mistox.Server {
                     continue;
                 }
 
-                IPEndPoint remote = client.Client.RemoteEndPoint as IPEndPoint;
+                IPEndPoint? remote = client.Client.RemoteEndPoint as IPEndPoint;
+                if (remote != null) {
+                    string connectionID = Guid.NewGuid().ToString();
+                    _parent.Connections[connectionID] = new ServerConnection( client, _parent, remote) {
+                        UserName = connectionID
+                    };
 
-                string connectionID = Guid.NewGuid().ToString();
-                _parent.Connections[connectionID] = new ServerConnection( client, _parent, remote) {
-                    UserName = connectionID
-                };
-
-                Console.WriteLine( "New User Connected" );
+                    Console.WriteLine( "New User Connected" );
+                }
             }
             Dispose();
         }

MistoxServer/mPacket/DataPacket.cs

@@ -46,10 +46,10 @@ namespace Mistox {
             return writer.WrittenSpan.ToArray();
         }
 
-        public static object Deserialize( DataPacketHeader Header, ReadOnlyMemory<byte> Data ) {
+        public static object? Deserialize( DataPacketHeader Header, ReadOnlyMemory<byte> Data ) {
             
             // Get the type from the tag
-            if (!NetworkPacketDictionary.PacketLookupTable.TryGetValue(Header.Type, out Type resolvedType)) {
+            if (!NetworkPacketDictionary.PacketLookupTable.TryGetValue(Header.Type, out Type? resolvedType)) {
                 throw new Exception($"Unknown packet type ID: {Header.Type}");
             }
 

MistoxServer/mPacket/NetworkPacketDictionary.cs

@@ -27,7 +27,7 @@ namespace Mistox.Attributes {
             foreach (Assembly assembly in assemblies) {
                 Type[] allClasses = assembly.GetTypes();
                 foreach( Type cur in allClasses) {
-                    mPacket attribute = cur.GetCustomAttribute<mPacket>(false);
+                    mPacket? attribute = cur.GetCustomAttribute<mPacket>(false);
                     if (attribute != null) {
 
                         // Generate a deterministic 16-bit ID based on the Type's FullName

MistoxServer/mPacket/ResevedPackets.cs

@@ -25,31 +25,31 @@ namespace Mistox.ResevedPackets {
 
         // Tag to make sure the object on the other side is the same object i want to update here
         // Need to map these Object ID's to a dictionary to make sure I only send network updates when there is a change
-        public ushort ObjectId { get; set; }
+        public ushort ObjectId { get; set; } = 0;
 
         // Packet payload data that im matching for in the dictionary
-        public byte[] InnerPayload { get; set; }
+        public byte[] InnerPayload { get; set; } = {};
     }
 
     public class UserTableObject {
-        public string UserName { get; set; }
-        public IPAddress IpAddress { get; set; }
-        public Vector3 Position { get; set; }
+        public string UserName { get; set; } = string.Empty;
+        public IPAddress IpAddress { get; set; } = new([]);
+        public Vector3 Position { get; set; } = new();
     }
 
     // Not implemented
     // Packet sent to all clients when a global position update occurrs
     [mPacket]
     public class HeartbeatPacket {
-        public Vector3 Position { get; set; }
-        public List<UserTableObject> ServerList { get; set; }
+        public Vector3 Position { get; set; } = new();
+        public List<UserTableObject> ServerList { get; set; } = new();
     }
 
     // Not implimented
     // Packet sent to all clients when a users TCP stream disconnects from the server
     [mPacket]
     public class UserDisconnectedPacket {
-        public string UserName { get; set; }
+        public string UserName { get; set; } = string.Empty;
     }
 
 }

Todo.txt

@@ -10,6 +10,7 @@ The server receive thread needs to push the user it was received from up the cha
 8. Each client can figure out what connections it needs to make or drop via the list                    Done
 10. When the TCP connection drops update the heartbeat list so all the clients remove the connection    Done
 11. Build a network cache table on the clients so obj's only send updates and not repeat packets
+12. User joined and left events are not implimented
 
 
 Set the network bubble distance [ render distance ] on the server and pass to the clients