add "JO" handler, fix "NT" value, support for WoJS

- add "JO" handler (private room join, like farm)
- "NT" param should be Unix timestamp in milliseconds
- "MBF" is not used by some games (e.g. WoJS)

src/CommandHandlers/JoinPrivateRoomHandler.cs

@@ -0,0 +1,17 @@
+using sodoffmmo.Attributes;
+using sodoffmmo.Core;
+using sodoffmmo.Data;
+
+namespace sodoffmmo.CommandHandlers;
+
+[ExtensionCommandHandler("JO")]
+class JoinPrivateRoomHandler : ICommandHandler
+{
+    public void Handle(Client client, NetworkObject receivedObject)
+    {
+        var p = receivedObject.Get<NetworkObject>("p");
+        string roomName = p.Get<string>("rn") + "_" + p.Get<string>("0");
+        Room room = Room.GetOrAdd(roomName, autoRemove: true);
+        client.SetRoom(room);
+    }
+}

src/CommandHandlers/SetPositionVariablesHandler.cs

@@ -43,7 +43,7 @@ class SetPositionVariablesHandler : ICommandHandler {
         NetworkObject vars = new();
         vars.Add("MX", (float)client.PlayerData.Mx);
         vars.Add("ST", Runtime.CurrentRuntime);
-        vars.Add("NT", Runtime.CurrentRuntime.ToString());
+        vars.Add("NT", DateTimeOffset.UtcNow.ToUnixTimeMilliseconds().ToString());
         vars.Add("t", (int)(Runtime.CurrentRuntime / 1000));
         vars.Add("F", client.PlayerData.F);
         vars.Add("MBF", client.PlayerData.Mbf);

src/CommandHandlers/SetUserVariablesHandler.cs

@@ -36,7 +36,7 @@ class SetUserVariablesHandler : ICommandHandler {
         client.PlayerData.M = suvData.Get<string>("M");
         client.PlayerData.L = suvData.Get<string>("L");
         client.PlayerData.Ra = suvData.Get<string>("RA");
-        string udt = suvData.Get<string>("UDT");
+        string? udt = suvData.Get<string>("UDT");
         if (udt != null)
             client.PlayerData.Udt = udt;
         client.PlayerData.P1 = double.Parse(suvData.Get<string>("P1"), CultureInfo.InvariantCulture);
@@ -46,7 +46,9 @@ class SetUserVariablesHandler : ICommandHandler {
         client.PlayerData.R2 = double.Parse(suvData.Get<string>("R2"), CultureInfo.InvariantCulture);
         client.PlayerData.R3 = double.Parse(suvData.Get<string>("R3"), CultureInfo.InvariantCulture);
         client.PlayerData.R = double.Parse(suvData.Get<string>("R"), CultureInfo.InvariantCulture);
-        client.PlayerData.Mbf = int.Parse(suvData.Get<string>("MBF"));
+        string? mbf = suvData.Get<string>("MBF");
+        if (mbf != null)
+            client.PlayerData.Mbf = int.Parse(mbf);
         client.PlayerData.F = int.Parse(suvData.Get<string>("F"));
         client.PlayerData.J = suvData.Get<string>("J");
         client.PlayerData.Bu = suvData.Get<string>("BU");

src/Core/Room.cs

@@ -78,10 +78,10 @@ public class Room {
 
     public static Room Get(string name) => rooms[name];
     
-    public static Room GetOrAdd(string name) {
+    public static Room GetOrAdd(string name, bool autoRemove = false) {
         lock(RoomsListLock) {
             if (!Room.Exists(name))
-                return new Room(name);
+                return new Room(name, autoRemove: autoRemove);
             return rooms[name];
         }
     }

src/Data/PlayerData.cs

@@ -72,7 +72,7 @@ public class PlayerData {
         arr.Add((short)clientID);
 
         paramArr = new();
-        paramArr.Add(NetworkArray.Param("NT", (double)(Runtime.CurrentRuntime))); // network time
+        paramArr.Add(NetworkArray.Param("NT", (double)(DateTimeOffset.UtcNow.ToUnixTimeMilliseconds()))); // network time
         paramArr.Add(NetworkArray.Param("t", (int)(Runtime.CurrentRuntime / 1000))); // timestamp
 
         paramArr.Add(NetworkArray.Param("UID", Uid));

src/appsettings.json

@@ -1,6 +1,6 @@
 {
   "MMOServer": {
-    "// ListenIP": "Listening IP address for the asset server, default is '*' which represents all IPv4 and IPv6 addresses",
+    "// ListenIP": "Listening IP address for the MMO server, default is '*' which represents all IPv4 and IPv6 addresses",
     "ListenIP": "*",
 
     "// Port": "Listening port number for the MMO server",