Update Dialogs.cs

Assets/Scripts/Windbot/Game/AI/Dialogs.cs

-using System;
 using System.IO;
 using System.Collections.Generic;
-using System.Runtime.Serialization;
-using System.Runtime.Serialization.Json;
+using Newtonsoft.Json;
 
 namespace WindBot.Game.AI
 {
-    [DataContract]
     public class DialogsData
     {
-        [DataMember]
         public string[] welcome { get; set; }
-        [DataMember]
         public string[] deckerror { get; set; }
-        [DataMember]
         public string[] duelstart { get; set; }
-        [DataMember]
         public string[] newturn { get; set; }
-        [DataMember]
         public string[] endturn { get; set; }
-        [DataMember]
         public string[] directattack { get; set; }
-        [DataMember]
         public string[] attack { get; set; }
-        [DataMember]
         public string[] ondirectattack { get; set; }
-        [DataMember]
         public string facedownmonstername { get; set; }
-        [DataMember]
         public string[] activate { get; set; }
-        [DataMember]
         public string[] summon { get; set; }
-        [DataMember]
         public string[] setmonster { get; set; }
-        [DataMember]
         public string[] chaining { get; set; }
-        [DataMember]
         public string[] surrender { get; set; }
-        [DataMember]
         public string[] custom { get; set; }
     }
     public class Dialogs
@@ -63,11 +45,14 @@ namespace WindBot.Game.AI
         public Dialogs(GameClient game)
         {
             _game = game;
-            DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(DialogsData));
-            string dialogfilename = game.Dialog;
-            using (FileStream fs = Program.ReadFile("Dialogs", dialogfilename, "json"))
-            {
-                DialogsData data = (DialogsData)serializer.ReadObject(fs);
+            var serializer = new JsonSerializer();
+            var dialogfilename = game.Dialog;
+            
+            using var fs = Program.ReadFile("Dialogs", dialogfilename, "json");
+            using var sr = new StreamReader(fs);
+            using var jsonTextReader = new JsonTextReader(sr);
+            var data = serializer.Deserialize<DialogsData>(jsonTextReader);
+
             _welcome = data.welcome;
             _deckerror = data.deckerror;
             _duelstart = data.duelstart;
@@ -84,7 +69,6 @@ namespace WindBot.Game.AI
             _surrender = data.surrender;
             _custom = data.custom;
         }
-        }
 
         public void SendSorry()
         {