add 新增远程连接，实现多人游戏

Scripts/Lib/RPHelper.cs

@@ -0,0 +1,45 @@
+using Godot;
+using Godot.Collections;
+
+namespace RPPackage {
+public static class RPHelper
+{
+    public static Dictionary SerializeRPMessage(RPMessage message)
+    {
+        return message.ToDictionary();
+    }
+
+    public static RPMessage DeserializeRPMessage(Dictionary data)
+    {
+        return new RPMessage
+        {
+            Type    = data.ContainsKey("type") ? (string)data["type"] : null,
+            Cmd     = data.ContainsKey("cmd") ? (string)data["cmd"] : null,
+            Code    = data.ContainsKey("code") ? (string)data["code"] : null,
+            Uid     = data.ContainsKey("uid") ? (string)data["uid"] : null,
+            Token   = data.ContainsKey("token") ? (string)data["token"] : null,
+            Data    = data.ContainsKey("data") ? data["data"].AsGodotDictionary() : null,
+        };
+    }
+
+    // 假设你有WebSocket通信的实现，这里仅展示如何使用上述方法
+    public static void SendRPMessage(this EventDrivenWebSocket ws, RPMessage message)
+    {
+        ws.SendJsonEx(RPHelper.SerializeRPMessage(message));
+    }
+
+    public static RPMessage HandleIncomingMessage(string jsonMessage)
+    {
+        var dataDict = Json.ParseString(jsonMessage).AsGodotDictionary();
+        if (dataDict != null)
+        {
+            return RPHelper.DeserializeRPMessage(dataDict);
+        }
+        else
+        {
+            GD.PrintErr("Failed to parse incoming message.");
+            return null;
+        }
+    }
+}
+}