[v0.0.2] you can enter menu now. but still early state

todo: improve code and finish base structures

Supercell.GUT.Logic/Avatar/LogicAvatarGame.cs

@@ -0,0 +1,26 @@
+using Supercell.GUT.Logic.Base;
+using Supercell.GUT.Titan.Logic.DataStream;
+
+namespace Supercell.GUT.Logic.Avatar;
+
+public class LogicAvatarGame : LogicBase
+{
+    public LogicAvatarGame() : base(20486)
+    {
+    }
+
+    public override void Destruct()
+    {
+        base.Destruct();
+    }
+
+    public override void Encode(ChecksumEncoder checksumEncoder)
+    {
+        base.Encode(checksumEncoder);
+    }
+
+    public override void Decode(ByteStream byteStream)
+    {
+        base.Decode(byteStream);
+    }
+}

Supercell.GUT.Logic/Avatar/LogicClientAvatar.cs

@@ -0,0 +1,75 @@
+using Supercell.GUT.Logic.Base;
+using Supercell.GUT.Logic.Player;
+using Supercell.GUT.Titan.Logic.DataStream;
+using Supercell.GUT.Titan.Logic.Math;
+using Supercell.GUT.Titan.Logic.Util;
+
+namespace Supercell.GUT.Logic.Avatar;
+
+public class LogicClientAvatar : LogicBase
+{
+    public LogicLong Id { get; set; }
+    public int ActiveMission { get; set; }
+    public string Name { get; set; }
+    public string AvatarCode { get; set; }
+    public LogicArrayList<LogicAvatarGame> AvatarGames { get; set; }
+    public LogicArrayList<int> MissionStatus { get; set; }
+    public LogicPlayerAttributes PlayerAttributes { get; set; }
+    public LogicInventory Inventory { get; set; }
+    public LogicPlayerStats PlayerStats { get; set; }
+
+    public int TutorialFlags {  get; set; }
+
+    public LogicClientAvatar() : base(20486)
+    {
+        this.Id = new LogicLong();
+        this.ActiveMission = -1;
+
+        this.Name = string.Empty;
+        this.AvatarCode = string.Empty;
+
+        this.AvatarGames = new LogicArrayList<LogicAvatarGame>();
+        this.MissionStatus = new LogicArrayList<int>();
+        this.PlayerAttributes = new LogicPlayerAttributes(20486);
+        this.Inventory = new LogicInventory(20486);
+        this.PlayerStats = new LogicPlayerStats(20486);
+    }
+
+    public override void Destruct()
+    {
+        base.Destruct();
+    }
+
+    public override void Decode(ByteStream byteStream)
+    {
+        base.Decode(byteStream);
+    }
+
+    public override void Encode(ChecksumEncoder checksumEncoder)
+    {
+        base.Encode(checksumEncoder);
+
+        checksumEncoder.WriteLong(this.Id);
+        checksumEncoder.WriteInt(this.ActiveMission);
+        checksumEncoder.WriteString(this.Name);
+        checksumEncoder.WriteString(this.AvatarCode);
+
+        checksumEncoder.WriteInt(this.AvatarGames.Size());
+        for (int i = 0; i < this.AvatarGames.Size(); i++)
+        {
+            this.AvatarGames[i].Encode(checksumEncoder);
+        }
+
+        checksumEncoder.WriteInt(this.MissionStatus.Size());
+        for (int i = 0; i < this.MissionStatus.Size(); i++)
+        {
+            checksumEncoder.WriteInt(this.MissionStatus[i]);
+        }
+
+        this.PlayerAttributes.Encode(checksumEncoder);
+        this.Inventory.Encode(checksumEncoder);
+        this.PlayerStats.Encode(checksumEncoder);
+
+        checksumEncoder.WriteInt(this.TutorialFlags);
+    }
+}

Supercell.GUT.Logic/Base/LogicBase.cs

@@ -1,5 +1,4 @@
-using Supercell.GUT.Titan.Encoding;
-using Supercell.GUT.Titan.Encoding.Streamed;
+using Supercell.GUT.Titan.Logic.DataStream;
 
 namespace Supercell.GUT.Logic.Base;
 
@@ -31,7 +30,7 @@ public abstract class LogicBase
     {
         this.Destruct();
 
-        ByteStream byteStream = new ByteStream(0);
+        ByteStream byteStream = new ByteStream();
 
         logicBase.Encode(byteStream);
         byteStream.ResetOffset();

Supercell.GUT.Logic/Game/LogicGameCalendar.cs

@@ -0,0 +1,59 @@
+using Supercell.GUT.Logic.Base;
+using Supercell.GUT.Titan.Logic.DataStream;
+
+namespace Supercell.GUT.Logic.Game;
+
+public class LogicGameCalendar : LogicBase
+{
+    public LogicGameCalendar() : base(0)
+    {
+        ;
+    }
+
+    public LogicGameCalendar(int logicDataVersion) : base(logicDataVersion)
+    {
+        ;
+    }
+
+    public override void Encode(ChecksumEncoder checksumEncoder)
+    {
+        checksumEncoder.WriteInt(0);
+        checksumEncoder.WriteByte(0);
+        checksumEncoder.WriteByte(0);
+        checksumEncoder.WriteByte(0);
+        checksumEncoder.WriteByte(0);
+        checksumEncoder.WriteByte(0);
+        checksumEncoder.WriteInt(0);
+        checksumEncoder.WriteInt(0);
+    }
+
+    public override void Decode(ByteStream byteStream)
+    {
+        ;
+    }
+
+    public void CalculateDateVariablesFromDayIndex(int index)
+    {
+        ;
+    }
+
+    public void AddSeconds(int seconds)
+    {
+        ;
+    }
+
+    public int GetRemainingSeconds(LogicGameCalendar gameCalendar)
+    {
+        return 0;
+    }
+
+    public void CalculateMonth(int month, bool isLeapYear)
+    {
+        ;
+    }
+
+    public override void Destruct()
+    {
+        ;
+    }
+}

Supercell.GUT.Logic/Message/Account/CreateAccountFailedMessage.cs

@@ -1,5 +1,5 @@
 using Supercell.GUT.Logic.Message.Attributes;
-using Supercell.GUT.Titan.Message;
+using Supercell.GUT.Titan.Logic.Message;
 
 namespace Supercell.GUT.Logic.Message.Account;
 

Supercell.GUT.Logic/Message/Account/CreateAccountMessage.cs

@@ -1,5 +1,5 @@
 using Supercell.GUT.Logic.Message.Attributes;
-using Supercell.GUT.Titan.Message;
+using Supercell.GUT.Titan.Logic.Message;
 
 namespace Supercell.GUT.Logic.Message.Account;
 

Supercell.GUT.Logic/Message/Account/CreateAccountOkMessage.cs

@@ -1,5 +1,5 @@
 using Supercell.GUT.Logic.Message.Attributes;
-using Supercell.GUT.Titan.Message;
+using Supercell.GUT.Titan.Logic.Message;
 
 namespace Supercell.GUT.Logic.Message.Account;
 

Supercell.GUT.Logic/Message/Account/LoginFailedMessage.cs

@@ -0,0 +1,39 @@
+using Supercell.GUT.Logic.Message.Attributes;
+using Supercell.GUT.Titan.Logic.Message;
+
+namespace Supercell.GUT.Logic.Message.Account;
+
+[VersionedMessage(20103)]
+public class LoginFailedMessage : VersionedMessage
+{
+    public int ErrorCode { get; set; }
+
+    public LoginFailedMessage() : base(0)
+    {
+        this.ErrorCode = 0;
+    }
+
+    public override void Encode()
+    {
+        base.Encode();
+
+        this.ByteStream.WriteInt(this.ErrorCode);
+    }
+
+    public override void Decode()
+    {
+        base.Decode();
+
+        this.ErrorCode = this.ByteStream.ReadInt();
+    }
+
+    public override int GetMessageType()
+    {
+        return 20103;
+    }
+
+    public override int GetServiceNodeType()
+    {
+        return 1;
+    }
+}

Supercell.GUT.Logic/Message/Account/LoginOkMessage.cs

@@ -0,0 +1,79 @@
+using Supercell.GUT.Logic.Game;
+using Supercell.GUT.Logic.Message.Attributes;
+using Supercell.GUT.Titan.Logic.Message;
+
+namespace Supercell.GUT.Logic.Message.Account;
+
+[VersionedMessage(20104)]
+public class LoginOkMessage : VersionedMessage
+{
+    public int PrimaryAvatarIdHigherInt { get; set; }
+    public int PrimaryAvatarIdLowerInt { get; set; }
+
+    public string? Fingerprint { get; set; }
+
+    public int Env { get; set; }
+    public int ServerVersion { get; set; }
+    public int SessionCount { get; set; }
+
+    public LogicGameCalendar ServerCalendar { get; set; }
+
+    public LoginOkMessage() : base(0)
+    {
+        this.PrimaryAvatarIdHigherInt = 0;
+        this.PrimaryAvatarIdLowerInt = 0;
+        this.Fingerprint = string.Empty;
+        this.Env = 0;
+        this.ServerVersion = 0;
+        this.SessionCount = 0;
+        this.ServerCalendar = new LogicGameCalendar();
+    }
+
+    public override void Encode()
+    {
+        base.Encode();
+
+        this.ByteStream.WriteInt(0);
+        this.ByteStream.WriteInt(0);
+        this.ByteStream.WriteInt(this.PrimaryAvatarIdHigherInt);
+        this.ByteStream.WriteInt(this.PrimaryAvatarIdLowerInt);
+        this.ByteStream.WriteInt(0);
+        this.ByteStream.WriteInt(this.Env);
+        this.ByteStream.WriteInt(this.ServerVersion);
+        this.ByteStream.WriteInt(this.SessionCount);
+        this.ByteStream.WriteString(null);
+        this.ServerCalendar.Encode(this.ByteStream);
+        this.ByteStream.WriteString(null);
+        this.ByteStream.WriteString(this.Fingerprint);
+        this.ByteStream.WriteInt(0);
+    }
+
+    public override void Decode()
+    {
+        base.Decode();
+
+        // TODO
+    }
+
+    public override int GetMessageType()
+    {
+        return 20104;
+    }
+
+    public override int GetServiceNodeType()
+    {
+        return 1;
+    }
+
+    public override void Destruct()
+    {
+        base.Destruct();
+
+        this.PrimaryAvatarIdHigherInt = 0;
+        this.PrimaryAvatarIdLowerInt = 0;
+        this.Fingerprint = string.Empty;
+        this.Env = 0;
+        this.ServerVersion = 0;
+        this.SessionCount = 0;
+    }
+}

Supercell.GUT.Logic/Message/Account/LoginUsingSessionMessage.cs

@@ -0,0 +1,73 @@
+using Supercell.GUT.Logic.Message.Attributes;
+using Supercell.GUT.Titan.Logic.Message;
+
+namespace Supercell.GUT.Logic.Message.Account;
+
+[VersionedMessage(10102)]
+public class LoginUsingSessionMessage : VersionedMessage
+{
+    public int AccountIdHigherInt { get; set; }
+    public int AccountIdLowerInt { get; set; }
+    public int ClientGameVersion { get; set; }
+
+    public string? SessionKey { get; set; }
+    public string? GamecenterId { get; set; }
+
+    public LoginUsingSessionMessage() : base(0)
+    {
+        this.AccountIdHigherInt = 0;
+        this.AccountIdLowerInt = 0;
+        this.ClientGameVersion = 0;
+        this.SessionKey = string.Empty;
+        this.SessionKey = string.Empty;
+    }
+
+    public override void Encode()
+    {
+        base.Encode();
+
+        this.ByteStream.WriteInt(this.AccountIdHigherInt);
+        this.ByteStream.WriteInt(this.AccountIdLowerInt);
+        this.ByteStream.WriteInt(this.ClientGameVersion);
+        this.ByteStream.WriteInt(0);
+        this.ByteStream.WriteString(this.SessionKey);
+        this.ByteStream.WriteString(null);
+        this.ByteStream.WriteString(null);
+        this.ByteStream.WriteString(this.GamecenterId);
+    }
+
+    public override void Decode()
+    {
+        base.Decode();
+
+        this.AccountIdHigherInt = this.ByteStream.ReadInt();
+        this.AccountIdLowerInt = this.ByteStream.ReadInt();
+        this.ClientGameVersion = this.ByteStream.ReadInt();
+        this.ByteStream.ReadInt();
+        this.SessionKey = this.ByteStream.ReadString();
+        this.ByteStream.ReadString();
+        this.ByteStream.ReadString();
+        this.GamecenterId = this.ByteStream.ReadString();
+    }
+
+    public override int GetMessageType()
+    {
+        return 10102;
+    }
+
+    public override int GetServiceNodeType()
+    {
+        return 1;
+    }
+
+    public override void Destruct()
+    {
+        base.Destruct();
+
+        this.AccountIdHigherInt = 0;
+        this.AccountIdLowerInt = 0;
+        this.ClientGameVersion = 0;
+        this.SessionKey = string.Empty;
+        this.SessionKey = string.Empty;
+    }
+}

Supercell.GUT.Logic/Message/Account/SecureConnectionOkMessage.cs

@@ -1,6 +1,6 @@
 using Supercell.GUT.Logic.Message.Attributes;
-using Supercell.GUT.Titan.Message;
-using Supercell.GUT.Titan.Util;
+using Supercell.GUT.Titan.Logic.Message;
+using Supercell.GUT.Titan.Logic.Util;
 
 namespace Supercell.GUT.Logic.Message.Account;
 

Supercell.GUT.Logic/Message/Account/StartSecureConnectionMessage.cs

@@ -1,5 +1,5 @@
 using Supercell.GUT.Logic.Message.Attributes;
-using Supercell.GUT.Titan.Message;
+using Supercell.GUT.Titan.Logic.Message;
 
 namespace Supercell.GUT.Logic.Message.Account;
 

Supercell.GUT.Logic/Message/Avatar/AvatarDataMessage.cs

@@ -0,0 +1,46 @@
+using Supercell.GUT.Logic.Avatar;
+using Supercell.GUT.Logic.Message.Attributes;
+using Supercell.GUT.Titan.Logic.Message;
+
+namespace Supercell.GUT.Logic.Message.Avatar;
+
+[VersionedMessage(20201)]
+public class AvatarDataMessage : VersionedMessage
+{
+    public LogicClientAvatar LogicClientAvatar { get; set; }
+
+    public AvatarDataMessage() : base(0)
+    {
+        ;
+    }
+
+    public override void Destruct()
+    {
+        base.Destruct();
+    }
+
+    public override void Encode()
+    {
+        base.Encode();
+
+        LogicClientAvatar.Encode(ByteStream);
+    }
+
+    public override void Decode()
+    {
+        base.Decode();
+
+        LogicClientAvatar = new LogicClientAvatar();
+        LogicClientAvatar.Decode(ByteStream);
+    }
+
+    public override int GetMessageType()
+    {
+        return 20201;
+    }
+
+    public override int GetServiceNodeType()
+    {
+        return 3;
+    }
+}

Supercell.GUT.Logic/Message/Avatar/SelectAvatarMessage.cs

@@ -0,0 +1,51 @@
+using Supercell.GUT.Logic.Message.Attributes;
+using Supercell.GUT.Titan.Logic.Message;
+
+namespace Supercell.GUT.Logic.Message.Avatar;
+
+[VersionedMessage(10201)]
+public class SelectAvatarMessage : VersionedMessage
+{
+    public int AvatarIdHigherInt { get; set; }
+    public int AvatarIdLowerInt { get; set; }
+
+    public SelectAvatarMessage() : base(0)
+    {
+        AvatarIdHigherInt = 0;
+        AvatarIdLowerInt = 0;
+    }
+
+    public override void Encode()
+    {
+        base.Encode();
+
+        ByteStream.WriteInt(AvatarIdHigherInt);
+        ByteStream.WriteInt(AvatarIdLowerInt);
+    }
+
+    public override void Decode()
+    {
+        base.Decode();
+
+        AvatarIdHigherInt = ByteStream.ReadInt();
+        AvatarIdLowerInt = ByteStream.ReadInt();
+    }
+
+    public override int GetMessageType()
+    {
+        return 10201;
+    }
+
+    public override int GetServiceNodeType()
+    {
+        return 3;
+    }
+
+    public override void Destruct()
+    {
+        base.Destruct();
+
+        AvatarIdHigherInt = 0;
+        AvatarIdLowerInt = 0;
+    }
+}

Supercell.GUT.Logic/Message/GUTMessageFactory.cs

@@ -1,5 +1,5 @@
 using Supercell.GUT.Logic.Message.Attributes;
-using Supercell.GUT.Titan.Message;
+using Supercell.GUT.Titan.Logic.Message;
 using System.Collections.Immutable;
 using System.Reflection;
 

Supercell.GUT.Logic/Player/LogicInventory.cs

@@ -0,0 +1,34 @@
+using Supercell.GUT.Logic.Base;
+using Supercell.GUT.Titan.Logic.DataStream;
+
+namespace Supercell.GUT.Logic.Player;
+
+public class LogicInventory : LogicBase
+{
+    public LogicInventory(int logicDataVersion) : base(logicDataVersion)
+    {
+    }
+
+    public override void Destruct()
+    {
+        base.Destruct();
+    }
+
+    public override void Encode(ChecksumEncoder checksumEncoder)
+    {
+        base.Encode(checksumEncoder);
+
+        checksumEncoder.WriteInt(0);
+    }
+
+    public override void Decode(ByteStream byteStream)
+    {
+        base.Decode(byteStream);
+
+        int count = byteStream.ReadInt();
+        for (int i = 0; i < count; i++)
+        {
+
+        }
+    }
+}

Supercell.GUT.Logic/Player/LogicPlayerAttributes.cs

@@ -0,0 +1,94 @@
+using Supercell.GUT.Logic.Base;
+using Supercell.GUT.Logic.Team;
+using Supercell.GUT.Titan.Logic.DataStream;
+using Supercell.GUT.Titan.Logic.Util;
+
+namespace Supercell.GUT.Logic.Player;
+
+public class LogicPlayerAttributes : LogicBase
+{
+    public int ExpLevel { get; set; }
+    public int ExpPoints { get; set; }
+    public int Money { get; set; }
+    public int Diamonds { get; set; }
+    public int LeagueMmr { get; set; }
+    public int LeagueMmrKFactor { get; set; }
+    public string TeamName { get; set; }
+    public LogicArrayList<LogicTeamUnit> TeamUnits { get; set; }
+    public LogicArrayList<string> ReadHandbooks { get; set; }
+
+    public LogicPlayerAttributes(int logicDataVersion) : base(logicDataVersion)
+    {
+        this.TeamName = string.Empty;
+
+        this.TeamUnits = new LogicArrayList<LogicTeamUnit>();
+
+        for (int i = 0; i <= 4; i++)
+        {
+            LogicTeamUnit logicTeamUnit = LogicTeamUnit.CreateDefaultUnit(i);
+
+            switch (i)
+            {
+                case 0:
+                    logicTeamUnit.SetSkill("sk_magnum0");
+                    break;
+                case 1:
+                    logicTeamUnit.SetSkill("sk_grenade0");
+                    break;
+                case 2:
+                    logicTeamUnit.SetSkill("sk_magnum0");
+                    break;
+                case 3:
+                    logicTeamUnit.SetSkill("sk_magnum0");
+                    break;
+                case 4:
+                    logicTeamUnit.SetSkill("sk_grenade0");
+                    break;
+                default:
+                    break;
+            }
+
+            this.TeamUnits.Add(logicTeamUnit);
+        }
+
+        this.ReadHandbooks = new LogicArrayList<string>();
+    }
+
+    public override void Destruct()
+    {
+        base.Destruct();
+    }
+
+    public override void Encode(ChecksumEncoder checksumEncoder)
+    {
+        base.Encode(checksumEncoder);
+
+        checksumEncoder.WriteInt(this.ExpLevel);
+        checksumEncoder.WriteInt(this.ExpPoints);
+        checksumEncoder.WriteInt(this.Money);
+        checksumEncoder.WriteInt(this.Diamonds);
+        checksumEncoder.WriteInt(this.LeagueMmr);
+        checksumEncoder.WriteInt(this.LeagueMmrKFactor);
+        checksumEncoder.WriteString(this.TeamName);
+
+        checksumEncoder.WriteInt(this.TeamUnits.Size());
+        for (int i = 0; i < this.TeamUnits.Size(); i++)
+        {
+            this.TeamUnits[i].Encode(checksumEncoder);
+        }
+
+        checksumEncoder.WriteInt(this.ReadHandbooks.Size());
+        for (int i = 0; i < this.ReadHandbooks.Size(); i++)
+        {
+            checksumEncoder.WriteString(this.ReadHandbooks[i]);
+        }
+
+        checksumEncoder.WriteInt(-1);
+        checksumEncoder.WriteInt(0);
+    }
+
+    public override void Decode(ByteStream byteStream)
+    {
+        base.Decode(byteStream);
+    }
+}

Supercell.GUT.Logic/Player/LogicPlayerStats.cs

@@ -0,0 +1,58 @@
+using Supercell.GUT.Logic.Base;
+using Supercell.GUT.Titan.Logic.DataStream;
+
+namespace Supercell.GUT.Logic.Player;
+
+public class LogicPlayerStats : LogicBase
+{
+    public int Score { get; set; }
+    public int MatchCount { get; set; }
+    public int WinCount { get; set; }
+    public int KillCount { get; set; }
+
+    public LogicPlayerStats() : base(20486)
+    {
+        this.Score = 0;
+        this.MatchCount = 0;
+        this.WinCount = 0;
+        this.KillCount = 0;
+    }
+
+    public LogicPlayerStats(int logicDataVersion) : base(logicDataVersion)
+    {
+        this.Score = 0;
+        this.MatchCount = 0;
+        this.WinCount = 0;
+        this.KillCount = 0;
+    }
+
+    public override void Destruct()
+    {
+        base.Destruct();
+
+        this.Score = 0;
+        this.MatchCount = 0;
+        this.WinCount = 0;
+        this.KillCount = 0;
+    }
+
+    public override void Encode(ChecksumEncoder checksumEncoder)
+    {
+        base.Encode(checksumEncoder);
+
+        checksumEncoder.WriteInt(this.Score);
+        checksumEncoder.WriteInt(this.MatchCount);
+        checksumEncoder.WriteInt(this.WinCount);
+        checksumEncoder.WriteInt(this.KillCount);
+    }
+
+    public override void Decode(ByteStream byteStream)
+    {
+        base.Decode(byteStream);
+
+        this.Score = byteStream.ReadInt();
+        this.MatchCount = byteStream.ReadInt();
+        this.WinCount = byteStream.ReadInt();
+        this.KillCount = byteStream.ReadInt();
+    }
+}

Supercell.GUT.Logic/Team/LogicTeamUnit.cs

@@ -0,0 +1,54 @@
+using Supercell.GUT.Logic.Base;
+using Supercell.GUT.Titan.Logic.DataStream;
+using Supercell.GUT.Titan.Logic.Util;
+
+namespace Supercell.GUT.Logic.Team;
+public class LogicTeamUnit : LogicBase
+{
+    public string Name { get; set; }
+    public LogicArrayList<string> Skills { get; set; }
+
+    public LogicTeamUnit() : base(0)
+    {
+        this.Skills = new LogicArrayList<string>();
+    }
+
+    public override void Destruct()
+    {
+        base.Destruct();
+    }
+
+    public override void Encode(ChecksumEncoder checksumEncoder)
+    {
+        base.Encode(checksumEncoder);
+
+        checksumEncoder.WriteInt(0);
+        checksumEncoder.WriteString(this.Name);
+
+        checksumEncoder.WriteInt(this.Skills.Size());
+        for (int i = 0; i < this.Skills.Size(); i++)
+        {
+            checksumEncoder.WriteString(this.Skills[i]);
+        }
+
+        checksumEncoder.WriteString(null);
+    }
+
+    public override void Decode(ByteStream byteStream)
+    {
+        base.Decode(byteStream);
+    }
+
+    public void SetSkill(string skill)
+    {
+        this.Skills.Add(skill);
+    }
+
+    public static LogicTeamUnit CreateDefaultUnit(int index)
+    {
+        return new LogicTeamUnit
+        {
+            Name = $"un_default{index}"
+        };
+    }
+}

Supercell.GUT.SDK/Program.cs

@@ -0,0 +1,23 @@
+namespace Supercell.GUT.SDK;
+
+internal static class Program
+{
+    private static async Task Main(string[] args)
+    {
+        Console.Title = "Supercell.GUT | SDK";
+
+        WebApplicationBuilder builder = WebApplication.CreateBuilder(args);
+        builder.WebHost.UseUrls("http://*:80");
+
+        WebApplication app = builder.Build();
+
+        app.MapGet("/fece25cfc941db1a5bb3e79d4e6a60c34659f49e/fingerprint.json", GetFingerprintJSON); // hardcode! maybe later i will fix it
+
+        await app.RunAsync();
+    }
+
+    private static string GetFingerprintJSON(HttpContext context)
+    {
+        return "{\"files\":[{\"sha\":\"505f650e5cabad8f139687c3f9aa66712d883a40\",\"file\":\"data\\/about.csv\",\"checksum\":\"71befcab\"},{\"sha\":\"51fde1a650aa0b66333ad5b66f59b22e8e54c4e5\",\"file\":\"data\\/ai_units.csv\",\"checksum\":\"afc97037\"},{\"sha\":\"19d3b1573cbd3ed59ee337c89bc5f82e8f30c68a\",\"file\":\"data\\/avatar.csv\",\"checksum\":\"f2eb9b6b\"},{\"sha\":\"0482673d8a493c8903babaf4066985e26018b919\",\"file\":\"data\\/billing_packages.csv\",\"checksum\":\"ce55b6c9\"},{\"sha\":\"97b4e6e365c9c110f38e5d55871512b75ce4bc3a\",\"file\":\"data\\/credits.csv\",\"checksum\":\"32376eed\"},{\"sha\":\"3cc18120f0fd00e073ace85d9326f38ce93b1cd7\",\"file\":\"data\\/cutscene.csv\",\"checksum\":\"b36efeb1\"},{\"sha\":\"b4dea5cb966a9a55eb050bdcab3cc39c6108509e\",\"file\":\"data\\/gadget.csv\",\"checksum\":\"4576288d\"},{\"sha\":\"03a0a7661ef1024d668ab0c5485696b05ccc5092\",\"file\":\"data\\/game_const.csv\",\"checksum\":\"e11bbf82\"},{\"sha\":\"fafee2358474f289ddefb241d6c8337908dc8168\",\"file\":\"data\\/gamelevel.csv\",\"checksum\":\"995dbb23\"},{\"sha\":\"a633224eee7bccb4ad0b10945694d7a70c5ad93d\",\"file\":\"data\\/gui.csv\",\"checksum\":\"27230b9d\"},{\"sha\":\"dee03d769deb41f0d823a77b8f95deccd5892fba\",\"file\":\"data\\/handbook.csv\",\"checksum\":\"e489859a\"},{\"sha\":\"ebe15e0d095677a16a3a2f466ce5cc8dd1972931\",\"file\":\"data\\/inboxmessage.csv\",\"checksum\":\"2fef1fae\"},{\"sha\":\"c0d921b74e476ea85470dfe97ca5de0b498764f6\",\"file\":\"data\\/item.csv\",\"checksum\":\"9ae439cd\"},{\"sha\":\"1e8b8532d5b6f2f9c129e6870f3b4529bb926479\",\"file\":\"data\\/lang.csv\",\"checksum\":\"b0acc094\"},{\"sha\":\"91e08d3857aab5ecceda43f9ae6b1d25def92f7c\",\"file\":\"data\\/leagues.csv\",\"checksum\":\"a448bd6e\"},{\"sha\":\"84b7125afd12c834e98ba0fd7eda3ba3c76246d7\",\"file\":\"data\\/level.csv\",\"checksum\":\"359e1925\"},{\"sha\":\"fe2aec13f1855e01ef6f8b255f0e7bf48cb58179\",\"file\":\"data\\/mission.csv\",\"checksum\":\"368649a8\"},{\"sha\":\"551df4fb20dba5a20e9281e50682d03f99859c9e\",\"file\":\"data\\/mission_tree.csv\",\"checksum\":\"55276023\"},{\"sha\":\"ae3ff2b07fcf5cef9a0f642c2ce6eae6ac00f0cd\",\"file\":\"data\\/moneybag.csv\",\"checksum\":\"29c04cff\"},{\"sha\":\"a8e4643f7157624432b6066e4d09d3722c40c4f3\",\"file\":\"data\\/readingtimes.csv\",\"checksum\":\"1e7bdc9b\"},{\"sha\":\"953289348875f3d8f6502d6cc1f60ea333841f8a\",\"file\":\"data\\/shop.csv\",\"checksum\":\"20449e2e\"},{\"sha\":\"a0f879b889aa8a25dcf03bf2d2bde85d9544600e\",\"file\":\"data\\/skill.csv\",\"checksum\":\"61288ccd\"},{\"sha\":\"e4c8e78e8aa71b70feb8c0959fd4c9a7e183bfbd\",\"file\":\"data\\/sounds.csv\",\"checksum\":\"195e7e52\"},{\"sha\":\"20495a2034755d8042016965ccea119f2efb173d\",\"file\":\"data\\/sounds_ipad1.csv\",\"checksum\":\"1531642f\"},{\"sha\":\"3b5047a6c8fab85bb8b0b313b8faabd61151bea1\",\"file\":\"data\\/speedup.csv\",\"checksum\":\"c96ef3ea\"},{\"sha\":\"1388ecfea65b98d1e9e4be785dac1a8a5964df57\",\"file\":\"data\\/trainingtimes.csv\",\"checksum\":\"811f4bd1\"},{\"sha\":\"a3055faddd0a1eff4f4da59df958235e3e5521c9\",\"file\":\"data\\/unit.csv\",\"checksum\":\"3c1ba78c\"},{\"sha\":\"6d37f4b27604df00c356e6776c6639b2e06a3669\",\"file\":\"data\\/upgrade.csv\",\"checksum\":\"e5f57998\"},{\"sha\":\"de893824bdf5e43ac377b276520ec65f399bb987\",\"file\":\"data\\/weapon.csv\",\"checksum\":\"a3079a59\"},{\"sha\":\"828dc22a8256dc0ffbc790983ad6a535221fe01d\",\"file\":\"gut.ini\",\"checksum\":\"601b736\"},{\"sha\":\"828dc22a8256dc0ffbc790983ad6a535221fe01d\",\"file\":\"gut_ipad2.ini\",\"checksum\":\"601b736\"},{\"sha\":\"828dc22a8256dc0ffbc790983ad6a535221fe01d\",\"file\":\"gut_ipad3.ini\",\"checksum\":\"601b736\"},{\"sha\":\"0d643a9c5bf2b8be58ba76cc0b3d25d84618a305\",\"file\":\"gut_iphone3.ini\",\"checksum\":\"5e8a6d2c\"},{\"sha\":\"0d643a9c5bf2b8be58ba76cc0b3d25d84618a305\",\"file\":\"gut_iphone4.ini\",\"checksum\":\"5e8a6d2c\"}],\"sha\":\"fece25cfc941db1a5bb3e79d4e6a60c34659f49e\"}\r\n";
+    }
+}

Supercell.GUT.SDK/Properties/launchSettings.json

@@ -0,0 +1,29 @@
+{
+  "$schema": "http://json.schemastore.org/launchsettings.json",
+  "iisSettings": {
+    "windowsAuthentication": false,
+    "anonymousAuthentication": true,
+    "iisExpress": {
+      "applicationUrl": "http://localhost:63724",
+      "sslPort": 0
+    }
+  },
+  "profiles": {
+    "http": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": false,
+      "applicationUrl": "http://localhost:5223",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "IIS Express": {
+      "commandName": "IISExpress",
+      "launchBrowser": true,
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}

Supercell.GUT.SDK/Supercell.GUT.SDK.csproj

@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+</Project>

Supercell.GUT.SDK/appsettings.Development.json

@@ -0,0 +1,8 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  }
+}

Supercell.GUT.SDK/appsettings.json

@@ -0,0 +1,9 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "AllowedHosts": "*"
+}

Supercell.GUT.Server/Debugging/ServerDebuggerListener.cs

@@ -1,5 +1,5 @@
 using Microsoft.Extensions.Logging;
-using Supercell.GUT.Titan.Debugging;
+using Supercell.GUT.Titan.Logic.Debug;
 
 namespace Supercell.GUT.Server.Debugging;
 internal class ServerDebuggerListener : IDebuggerListener

Supercell.GUT.Server/GUTServer.cs

@@ -1,6 +1,6 @@
 using Microsoft.Extensions.Hosting;
 using Supercell.GUT.Server.Network;
-using Supercell.GUT.Titan.Debugging;
+using Supercell.GUT.Titan.Logic.Debug;
 
 namespace Supercell.GUT.Server;
 internal class GUTServer : IHostedService

Supercell.GUT.Server/Network/Connection/ClientConnection.cs

@@ -1,6 +1,6 @@
 using Supercell.GUT.Logic;
 using Supercell.GUT.Server.Protocol;
-using Supercell.GUT.Titan.Message;
+using Supercell.GUT.Titan.Logic.Message;
 
 namespace Supercell.GUT.Server.Network.Connection;
 internal class ClientConnection

Supercell.GUT.Server/Network/Connection/IConnectionListener.cs

@@ -1,4 +1,4 @@
-using Supercell.GUT.Titan.Message;
+using Supercell.GUT.Titan.Logic.Message;
 
 namespace Supercell.GUT.Server.Network.Connection;
 internal interface IConnectionListener

Supercell.GUT.Server/Program.cs

@@ -9,8 +9,8 @@ using Supercell.GUT.Server.Network.Options;
 using Supercell.GUT.Server.Network.Tcp;
 using Supercell.GUT.Server.Protocol;
 using Supercell.GUT.Server.Protocol.Extensions;
-using Supercell.GUT.Titan.Debugging;
-using Supercell.GUT.Titan.Message;
+using Supercell.GUT.Titan.Logic.Debug;
+using Supercell.GUT.Titan.Logic.Message;
 
 namespace Supercell.GUT.Server;
 

Supercell.GUT.Server/Protocol/Handlers/AccountMessageHandler.cs

@@ -41,7 +41,26 @@ internal class AccountMessageHandler : MessageHandlerBase
         {
             AccountIdHigherInt = 0,
             AccountIdLowerInt = 1,
-            SessionKey = "telegram_is_@BL4D3_BR43D"
+            SessionKey = "telegram_is_@BL4D3_BR34D"
+        });
+    }
+
+    [MessageHandler(10102)]
+    public async Task OnLoginUsingSession(LoginUsingSessionMessage loginUsingSessionMessage)
+    {
+        _logger.LogInformation("Logging account! sessionkey: {sk} | GameCenterId: {gcid} | GameVersion: {cgv} | account: ({h}-{l})",
+            loginUsingSessionMessage.SessionKey,
+            loginUsingSessionMessage.GamecenterId,
+            loginUsingSessionMessage.ClientGameVersion,
+            loginUsingSessionMessage.AccountIdHigherInt,
+            loginUsingSessionMessage.AccountIdLowerInt);
+
+        await _connection.SendMessage(new LoginOkMessage()
+        {
+            PrimaryAvatarIdHigherInt = loginUsingSessionMessage.AccountIdHigherInt,
+            PrimaryAvatarIdLowerInt = loginUsingSessionMessage.AccountIdLowerInt,
+
+            Fingerprint = "fece25cfc941db1a5bb3e79d4e6a60c34659f49e"
         });
     }
 }

Supercell.GUT.Server/Protocol/Handlers/AvatarMessageHandler.cs

@@ -0,0 +1,42 @@
+using Microsoft.Extensions.Logging;
+using Supercell.GUT.Logic.Avatar;
+using Supercell.GUT.Logic.Message.Avatar;
+using Supercell.GUT.Server.Network.Connection;
+using Supercell.GUT.Server.Protocol.Attributes;
+using Supercell.GUT.Titan.Logic.Math;
+
+namespace Supercell.GUT.Server.Protocol.Handlers;
+
+[ServiceNode(3)]
+internal class AvatarMessageHandler : MessageHandlerBase
+{
+    private readonly ILogger _logger;
+    private readonly ClientConnection _connection;
+
+    public AvatarMessageHandler(ClientConnection connection, ILogger<AvatarMessageHandler> logger)
+    {
+        _logger = logger;
+        _connection = connection;
+    }
+
+    [MessageHandler(10201)]
+    public async Task OnSelectAvatar(SelectAvatarMessage selectAvatarMessage)
+    {
+        _logger.LogInformation("selecting avatar! avatar: ({h}-{l})",
+            selectAvatarMessage.AvatarIdHigherInt,
+            selectAvatarMessage.AvatarIdLowerInt);
+
+        await _connection.SendMessage(new AvatarDataMessage()
+        {
+            LogicClientAvatar = new LogicClientAvatar()
+            {
+                Id = new LogicLong(selectAvatarMessage.AvatarIdHigherInt, selectAvatarMessage.AvatarIdLowerInt),
+                
+                Name = "BreadDEV",
+                AvatarCode = "a1",
+
+                TutorialFlags = 999999
+            }
+        });
+    }
+}

Supercell.GUT.Server/Protocol/Handlers/MessageHandlerBase.cs

@@ -1,7 +1,7 @@
 using System.Collections.Immutable;
 using System.Reflection;
 using Supercell.GUT.Server.Protocol.Attributes;
-using Supercell.GUT.Titan.Message;
+using Supercell.GUT.Titan.Logic.Message;
 
 namespace Supercell.GUT.Server.Protocol.Handlers;
 internal abstract class MessageHandlerBase

Supercell.GUT.Server/Protocol/MessageManager.cs

@@ -4,7 +4,7 @@ using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using Supercell.GUT.Server.Protocol.Attributes;
 using Supercell.GUT.Server.Protocol.Handlers;
-using Supercell.GUT.Titan.Message;
+using Supercell.GUT.Titan.Logic.Message;
 
 namespace Supercell.GUT.Server.Protocol;
 internal class MessageManager

Supercell.GUT.Server/Protocol/Messaging.cs

@@ -1,7 +1,7 @@
 using Microsoft.Extensions.Logging;
 using Supercell.GUT.Server.Network.Connection;
 using Supercell.GUT.Titan.Encryption;
-using Supercell.GUT.Titan.Message;
+using Supercell.GUT.Titan.Logic.Message;
 
 namespace Supercell.GUT.Server.Protocol;
 internal class Messaging : IConnectionListener
@@ -73,7 +73,7 @@ internal class Messaging : IConnectionListener
     {
         if (message.ByteStream.Offset == 0) message.Encode();
 
-        byte[] encodingBytes = message.ByteStream.Buffer.Take(message.ByteStream.Offset).ToArray();
+        byte[] encodingBytes = message.ByteStream.ByteArray!.Take(message.ByteStream.Offset).ToArray();
 
         _encrypter?.Encrypt(encodingBytes);
 

Supercell.GUT.Titan/Encoding/ChecksumEncoder.cs

@@ -1,79 +0,0 @@
-using Supercell.GUT.Titan.Math;
-using System.Runtime.CompilerServices;
-
-namespace Supercell.GUT.Titan.Encoding;
-public class ChecksumEncoder
-{
-    private int _checksum;
-    private int _snapshotChecksum;
-
-    public ChecksumEncoder()
-    {
-        IsChecksumEnabled = true;
-    }
-
-    public virtual bool IsCheckSumOnlyMode => true;
-
-    public virtual ChecksumEncoder WriteBoolean(bool value) => UpdateCheckSum(value ? 13 : 7);
-
-    public virtual ChecksumEncoder WriteByte(byte value) => UpdateCheckSum(value + 11);
-
-    public virtual ChecksumEncoder WriteShort(short value) => UpdateCheckSum(value + 19);
-
-    public virtual ChecksumEncoder WriteInt(int value) => UpdateCheckSum(value + 9);
-
-    public virtual void WriteLong(LogicLong value) => value.Encode(this);
-
-    public virtual ChecksumEncoder WriteString(string? value) =>
-        UpdateCheckSum(value != null ? value.Length + 28 : 27);
-
-    public virtual ChecksumEncoder WriteBytes(ReadOnlySpan<byte> value) =>
-        UpdateCheckSum(value.Length + 28);
-
-    public bool IsChecksumEnabled { get; private set; }
-
-    public int CheckSum => IsChecksumEnabled ? _checksum : _snapshotChecksum;
-
-    public ChecksumEncoder EnableCheckSum(bool enable)
-    {
-        if (!IsChecksumEnabled && enable)
-        {
-            _checksum = _snapshotChecksum;
-        }
-        else
-        {
-            _snapshotChecksum = _checksum;
-        }
-
-        IsChecksumEnabled = enable;
-        return this;
-    }
-
-    public ChecksumEncoder ResetCheckSum()
-    {
-        _checksum = 0;
-        return this;
-    }
-
-    public override bool Equals(object? obj)
-    {
-        ChecksumEncoder? otherEncoder = obj as ChecksumEncoder;
-        return otherEncoder?.CheckSum == CheckSum;
-    }
-
-    public override int GetHashCode()
-    {
-        // original: Debugger::error("ChecksumEncoder hashCode not designed");
-        return CheckSum;
-    }
-
-    [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    private ChecksumEncoder UpdateCheckSum(int value)
-    {
-        _checksum = value + Ror4(_checksum, 31);
-        return this;
-    }
-
-    [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    private static int Ror4(int v, int c) => v >> c | v << 32 - c;
-}

Supercell.GUT.Titan/Encoding/Streamed/ByteStream.cs

@@ -1,302 +0,0 @@
-using Supercell.GUT.Titan.Math;
-using System.Buffers.Binary;
-using System.Runtime.CompilerServices;
-using TextEncoding = System.Text.Encoding;
-
-namespace Supercell.GUT.Titan.Encoding.Streamed;
-
-public class ByteStream : ChecksumEncoder
-{
-    public byte[] Buffer { get; set; }
-
-    private int _bitIndex;
-    private int _length;
-
-    public int Offset { get; set; }
-
-    public int Length => _length > 0 ? _length : Offset;
-
-    public ByteStream(byte[] buffer, int length)
-    {
-        Buffer = buffer;
-        _length = length;
-    }
-
-    public ByteStream(int capacity)
-    {
-        Buffer = new byte[capacity];
-    }
-
-    public ByteStream()
-    {
-        Buffer = new byte[10];
-    }
-
-    public void SetByteArray(byte[] buffer, int length)
-    {
-        Buffer = buffer;
-        _length = length;
-    }
-
-    public bool ReadBoolean()
-    {
-        if (_bitIndex == 0)
-            ++Offset;
-
-        bool value = (Buffer[Offset - 1] & 1 << _bitIndex) != 0;
-        _bitIndex = _bitIndex + 1 & 7;
-        return value;
-    }
-
-    public byte ReadByte()
-    {
-        _bitIndex = 0;
-        return Buffer[Offset++];
-    }
-
-    public short ReadShort()
-    {
-        _bitIndex = 0;
-
-        short ret = BinaryPrimitives.ReadInt16BigEndian(Buffer.AsSpan()[Offset..]);
-        Offset += 2;
-
-        return ret;
-    }
-
-    public int ReadInt()
-    {
-        _bitIndex = 0;
-
-        int ret = BinaryPrimitives.ReadInt32BigEndian(Buffer.AsSpan()[Offset..]);
-        Offset += 4;
-
-        return ret;
-    }
-
-    public int ReadVInt()
-    {
-        _bitIndex = 0;
-
-        int value = 0;
-        byte byteValue = Buffer[Offset++];
-
-        if ((byteValue & 0x40) != 0)
-        {
-            value |= byteValue & 0x3F;
-
-            if ((byteValue & 0x80) != 0)
-            {
-                value |= ((byteValue = Buffer[Offset++]) & 0x7F) << 6;
-
-                if ((byteValue & 0x80) != 0)
-                {
-                    value |= ((byteValue = Buffer[Offset++]) & 0x7F) << 13;
-
-                    if ((byteValue & 0x80) != 0)
-                    {
-                        value |= ((byteValue = Buffer[Offset++]) & 0x7F) << 20;
-
-                        if ((byteValue & 0x80) != 0)
-                        {
-                            value |= ((_ = Buffer[Offset++]) & 0x7F) << 27;
-                            return (int)(value | 0x80000000);
-                        }
-
-                        return (int)(value | 0xF8000000);
-                    }
-
-                    return (int)(value | 0xFFF00000);
-                }
-
-                return (int)(value | 0xFFFFE000);
-            }
-
-            return (int)(value | 0xFFFFFFC0);
-        }
-
-        value |= byteValue & 0x3F;
-
-        if ((byteValue & 0x80) != 0)
-        {
-            value |= ((byteValue = Buffer[Offset++]) & 0x7F) << 6;
-
-            if ((byteValue & 0x80) != 0)
-            {
-                value |= ((byteValue = Buffer[Offset++]) & 0x7F) << 13;
-
-                if ((byteValue & 0x80) != 0)
-                {
-                    value |= ((byteValue = Buffer[Offset++]) & 0x7F) << 20;
-
-                    if ((byteValue & 0x80) != 0)
-                    {
-                        value |= ((_ = Buffer[Offset++]) & 0x7F) << 27;
-                    }
-                }
-            }
-        }
-
-        return value;
-    }
-
-    public LogicLong ReadLong()
-    {
-        LogicLong ll = new();
-        ll.Decode(this);
-
-        return ll;
-    }
-
-    public string? ReadString()
-    {
-        int length = ReadInt();
-        if (length is < 0 or > 900000)
-            return null;
-        else if (length == 0)
-            return string.Empty;
-
-        string ret = TextEncoding.UTF8.GetString(Buffer, Offset, length);
-        Offset += length;
-
-        return ret;
-    }
-
-    public string ReadStringReference()
-    {
-        int length = ReadInt();
-        if (length is <= 0 or > 900000) return string.Empty;
-
-        string ret = TextEncoding.UTF8.GetString(Buffer, Offset, length);
-        Offset += length;
-
-        return ret;
-    }
-
-    public byte[] ReadBytes(int length)
-    {
-        _bitIndex = 0;
-
-        byte[] ret = Buffer.Skip(Offset).Take(length).ToArray();
-        Offset += length;
-
-        return ret;
-    }
-
-    public override ChecksumEncoder WriteBoolean(bool value)
-    {
-        base.WriteBoolean(value);
-
-        if (_bitIndex == 0)
-        {
-            EnsureCapacity(1);
-            Buffer[Offset++] = 0;
-        }
-
-        Buffer[Offset - 1] |= (byte)(value ? 1 : 0);
-        _bitIndex = _bitIndex + 1 & 7;
-
-        return this;
-    }
-
-    public override ChecksumEncoder WriteByte(byte value)
-    {
-        base.WriteByte(value);
-        EnsureCapacity(1);
-
-        Buffer[Offset++] = value;
-
-        return this;
-    }
-
-    public override ChecksumEncoder WriteShort(short value)
-    {
-        base.WriteShort(value);
-        EnsureCapacity(2);
-
-        BinaryPrimitives.WriteInt16BigEndian(Buffer.AsSpan()[Offset..], value);
-        Offset += 2;
-
-        return this;
-    }
-
-    public override ChecksumEncoder WriteInt(int value)
-    {
-        base.WriteInt(value);
-        EnsureCapacity(4);
-
-        WriteIntToByteArray(value);
-        return this;
-    }
-
-    public override ChecksumEncoder WriteString(string? value)
-    {
-        base.WriteString(value);
-        if (value == null)
-        {
-            WriteIntToByteArray(-1);
-            return this;
-        }
-
-        int size = TextEncoding.UTF8.GetByteCount(value);
-        WriteIntToByteArray(size);
-
-        EnsureCapacity(size);
-        TextEncoding.UTF8.GetBytes(value, Buffer.AsSpan()[Offset..]);
-
-        Offset += size;
-        return this;
-    }
-
-    public override ChecksumEncoder WriteBytes(ReadOnlySpan<byte> value)
-    {
-        base.WriteBytes(value);
-
-        WriteIntToByteArray(value.Length);
-
-        EnsureCapacity(value.Length);
-        value.CopyTo(Buffer.AsSpan()[Offset..]);
-        Offset += value.Length;
-
-        return this;
-    }
-
-    public override bool IsCheckSumOnlyMode => false;
-
-    [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    private void WriteIntToByteArray(int value)
-    {
-        EnsureCapacity(4);
-
-        BinaryPrimitives.WriteInt32BigEndian(Buffer.AsSpan()[Offset..], value);
-        Offset += 4;
-    }
-
-    public void EnsureCapacity(int capacity)
-    {
-        _bitIndex = 0;
-        int bufferLength = Buffer.Length;
-
-        if (Offset + capacity > bufferLength)
-        {
-            byte[] tmpBuffer = new byte[Buffer.Length + capacity + 100];
-            System.Buffer.BlockCopy(Buffer, 0, tmpBuffer, 0, bufferLength);
-            Buffer = tmpBuffer;
-        }
-    }
-
-    public bool IsAtEnd()
-    {
-        return Offset >= Buffer.Length;
-    }
-
-    public void ResetOffset()
-    {
-        this.Offset = 0;
-    }
-
-    public void Destruct()
-    {
-        ;
-    }
-}

Supercell.GUT.Titan/Logic/DataStream/ByteStream.cs

@@ -0,0 +1,298 @@
+using Supercell.GUT.Titan.Logic.Debug;
+using Supercell.GUT.Titan.Logic.Math;
+using Supercell.GUT.Titan.Logic.Util;
+
+namespace Supercell.GUT.Titan.Logic.DataStream;
+
+public class ByteStream : ChecksumEncoder
+{
+    public int Offset { get; set; }
+    public int Length { get; set; }
+    public int BitIndex { get; set; }
+
+    public byte[]? ByteArray { get; set; }
+
+    public ByteStream() : base()
+    {
+        this.Offset = 0;
+        this.Length = 0;
+        this.BitIndex = 0;
+
+        this.ByteArray = new byte[10];
+    }
+
+    public void ResetOffset()
+    {
+        this.Offset = 0;
+        this.BitIndex = 0;
+    }
+
+    public int GetLength()
+    {
+        if (this.Offset < this.Length)
+            return this.Length;
+
+        return this.Offset;
+    }
+
+    public override bool IsCheckSumOnlyMode()
+    {
+        return false;
+    }
+
+    public void SetOffset(int offset)
+    {
+        this.Offset = offset;
+        this.BitIndex = 0;
+    }
+
+    public int GetOffset()
+    {
+        return this.Offset;
+    }
+
+    public override void WriteString(string? value)
+    {
+        base.WriteString(value);
+
+        if (value == null)
+        {
+            this.WriteIntToByteArray(-1);
+        }
+        else
+        {
+            byte[] bytes = LogicStringUtil.GetBytes(value);
+            int length = bytes.Length;
+
+            if (length <= 900000)
+            {
+                this.EnsureCapacity(length + 4);
+                this.WriteIntToByteArray(length);
+
+                Buffer.BlockCopy(bytes, 0, this.ByteArray!, this.Offset, length);
+
+                this.Offset += length;
+            }
+            else
+            {
+                Debugger.Warning("ByteStream::writeString invalid string length " + length);
+                this.WriteIntToByteArray(-1);
+            }
+        }
+    }
+
+    public void WriteIntToByteArray(int value)
+    {
+        this.EnsureCapacity(4);
+
+        this.BitIndex = 0;
+
+        this.ByteArray![this.Offset++] = (byte)(value >> 24);
+        this.ByteArray![this.Offset++] = (byte)(value >> 16);
+        this.ByteArray![this.Offset++] = (byte)(value >> 8);
+        this.ByteArray![this.Offset++] = (byte)value;
+    }
+
+    public string? ReadString()
+    {
+        int length = this.ReadInt();
+        if (length > -1)
+        {
+            if (length >= 900001)
+            {
+                Debugger.Error("Too long String encountered.");
+            }
+
+            string result = LogicStringUtil.CreateString(this.ByteArray!, this.Offset, length);
+            
+            this.Offset += length;
+
+            return result;
+        }
+        else
+        {
+            if (length != -1)
+                Debugger.Error("Negative String length encountered.");
+        }
+
+        return null;
+    }
+
+    public override void WriteBoolean(bool value)
+    {
+        base.WriteBoolean(value);
+
+        if (this.BitIndex == 0)
+        {
+            this.EnsureCapacity(1);
+            this.ByteArray![this.Offset++] = 0;
+        }
+
+        if (value)
+            this.ByteArray![this.Offset - 1] |= (byte)(1 << this.BitIndex);
+
+        this.BitIndex = (this.BitIndex + 1) & 7;
+    }
+
+    public bool ReadBoolean()
+    {
+        if (this.BitIndex == 0)
+            ++this.Offset;
+
+        bool value = (this.ByteArray![this.Offset - 1] & (1 << this.BitIndex)) != 0;
+        this.BitIndex = (this.BitIndex + 1) & 7;
+        return value;
+    }
+
+    public override void WriteInt(int value)
+    {
+        base.WriteInt(value);
+        this.WriteIntToByteArray(value);
+    }
+
+    public override void WriteByte(byte value)
+    {
+        base.WriteByte(value);
+        this.EnsureCapacity(1);
+
+        this.BitIndex = 0;
+
+        this.ByteArray![this.Offset++] = (byte)value;
+    }
+
+    public override void WriteShort(short value)
+    {
+        base.WriteShort(value);
+        this.EnsureCapacity(2);
+
+        this.BitIndex = 0;
+
+        this.ByteArray![this.Offset++] = (byte)(value >> 8);
+        this.ByteArray[this.Offset++] = (byte)value;
+    }
+
+    public int ReadInt()
+    {
+        this.BitIndex = 0;
+
+        return (this.ByteArray![this.Offset++] << 24) |
+               (this.ByteArray[this.Offset++] << 16) |
+               (this.ByteArray[this.Offset++] << 8) |
+               this.ByteArray[this.Offset++];
+    }
+
+    public byte ReadByte()
+    {
+        this.BitIndex = 0;
+
+        return this.ByteArray![this.Offset++];
+    }
+
+    public short ReadShort()
+    {
+        this.BitIndex = 0;
+
+        return (short)((this.ByteArray![this.Offset++] << 8) |
+                                this.ByteArray[this.Offset++]);
+    }
+
+    public LogicLong ReadLong()
+    {
+        return this.ReadLong(null);
+    }
+
+    public LogicLong ReadLong(LogicLong? logicLong)
+    {
+        LogicLong? v2 = logicLong;
+        if (logicLong == null)
+            v2 = new LogicLong();
+
+        v2!.Decode(this);
+
+        return v2;
+    }
+
+    public override void WriteBytes(byte[]? value, int length) 
+    {
+        base.WriteBytes(value, length);
+
+        if (value == null)
+        {
+            this.WriteIntToByteArray(-1);
+        }
+        else
+        {
+            this.EnsureCapacity(length + 4);
+            this.WriteIntToByteArray(length);
+
+            Buffer.BlockCopy(value, 0, this.ByteArray!, this.Offset, length);
+
+            this.Offset += length;
+        }
+    }
+
+    public int ReadBytesLength()
+    {
+        return this.ReadInt();
+    }
+
+    public byte[]? ReadBytes(int length)
+    {
+        this.BitIndex = 0;
+
+        if (length > -1)
+        {
+            byte[] array = new byte[length];
+            Buffer.BlockCopy(this.ByteArray!, this.Offset, array, 0, length);
+            this.Offset += length;
+            return array;
+        }
+        else
+        {
+            if (length != -1)
+                Debugger.Error("Negative readBytes length encountered.");
+        }
+
+        return null;
+    }
+
+    public void SetByteArray(byte[] byteArray, int length)
+    {
+        this.Offset = 0;
+        this.Length = length;
+        this.BitIndex = 0;
+
+        this.ByteArray = byteArray;
+    }
+
+    public override void Destruct()
+    {
+        this.Offset = 0;
+        this.Length = 0;
+        this.BitIndex = 0;
+
+        this.ByteArray = null;
+    }
+
+    public bool IsAtEnd() 
+    { 
+        return this.Offset >= this.Length;
+    }
+
+    public byte GetDataPointer()
+    { 
+        return this.ByteArray![this.Offset];
+    }
+
+    private void EnsureCapacity(int capacity)
+    {
+        int bufferLength = this.ByteArray!.Length;
+
+        if (this.Offset + capacity > bufferLength)
+        {
+            byte[] tmpBuffer = new byte[this.ByteArray.Length + capacity + 100];
+            Buffer.BlockCopy(this.ByteArray, 0, tmpBuffer, 0, bufferLength);
+            this.ByteArray = tmpBuffer;
+        }
+    }
+}

Supercell.GUT.Titan/Logic/DataStream/ChecksumEncoder.cs

@@ -0,0 +1,98 @@
+using Supercell.GUT.Titan.Logic.Math;
+
+namespace Supercell.GUT.Titan.Logic.DataStream;
+
+public class ChecksumEncoder
+{
+    public int CheckSum { get; set; }
+    public int SnapshotCheckSum { get; set; }
+    public bool IsChecksumEnabled { get; set; }
+
+    public ChecksumEncoder()
+    {
+        this.CheckSum = 0;
+        this.SnapshotCheckSum = 0;
+        this.IsChecksumEnabled = true;
+    }
+
+    public virtual bool IsCheckSumOnlyMode()
+    {
+        return true;
+    }
+
+    public virtual void WriteString(string? value)
+    {
+        int v2 = (this.CheckSum >> 0x1F) & 0x7FFFFFFF | (2 * this.CheckSum);
+        if (value != null)
+            this.CheckSum = value.Length + v2 + 28;
+        else
+            this.CheckSum = v2 + 0x1B;
+    }
+
+    public virtual void WriteBoolean(bool value)
+    {
+        int v2 = 7;
+        if (value)
+            v2 = 13;
+        this.CheckSum = ((this.CheckSum >> 0x1F) & 0x7FFFFFFF | (2 * this.CheckSum)) + v2;
+    }
+
+    public virtual void WriteInt(int value)
+    {
+        this.CheckSum = ((this.CheckSum >> 0x1F) & 0x7FFFFFFF | (2 * this.CheckSum)) + value + 9;
+    }
+
+    public virtual void WriteByte(byte value)
+    {
+        this.CheckSum = ((this.CheckSum >> 0x1F) & 0x7FFFFFFF | (2 * this.CheckSum)) + value + 11;
+    }
+
+    public virtual void WriteShort(short value)
+    {
+        this.CheckSum = ((this.CheckSum >> 0x1F) & 0x7FFFFFFF | (2 * this.CheckSum)) + value + 19;
+    }
+
+    public virtual void WriteBytes(byte[]? value, int length)
+    {
+        int v3 = (this.CheckSum >> 0x1F) & 0x7FFFFFFF | (2 * this.CheckSum);
+        
+        if (value != null)
+            this.CheckSum = length + v3 + 28;
+        else
+            this.CheckSum = v3 + 0x1B;
+    }
+
+    public virtual void WriteLong(LogicLong logicLong)
+    {
+        logicLong.Encode(this);
+    }
+
+    public override bool Equals(object? obj)
+    {
+        if (obj != null && obj is ChecksumEncoder checksumEncoder)
+        {
+            bool v4 = this.IsChecksumEnabled;
+            int v5 = checksumEncoder.CheckSum;
+            bool v6 = checksumEncoder.IsChecksumEnabled;
+            int v7 = checksumEncoder.SnapshotCheckSum;
+            if (!v6)
+                v5 = v7;
+            int v8 = this.CheckSum;
+            int v9 = this.SnapshotCheckSum;
+            int v10 = v5;
+            if (!v4)
+                v8 = v9;
+            if (v8 == v10)
+                return true;
+        }
+
+        return false;
+    }
+
+    public virtual void Destruct()
+    {
+        this.CheckSum = 0;
+        this.SnapshotCheckSum = 0;
+        this.IsChecksumEnabled = true;
+    }
+}

Supercell.GUT.Titan/Logic/Debug/Debugger.cs

@@ -1,4 +1,5 @@
-namespace Supercell.GUT.Titan.Debugging;
+namespace Supercell.GUT.Titan.Logic.Debug;
+
 public static class Debugger
 {
     private static IDebuggerListener? _listener;

Supercell.GUT.Titan/Logic/Debug/IDebuggerListener.cs

@@ -1,4 +1,5 @@
-namespace Supercell.GUT.Titan.Debugging;
+namespace Supercell.GUT.Titan.Logic.Debug;
+
 public interface IDebuggerListener
 {
     void OnPrint(string log);

Supercell.GUT.Titan/Logic/Debug/LogicException.cs

@@ -1,8 +1,9 @@
-namespace Supercell.GUT.Titan.Debugging;
+namespace Supercell.GUT.Titan.Logic.Debug;
+
 public class LogicException : Exception
 {
     public LogicException(string message) : base(message)
     {
-        // LogicException.
+        ;
     }
 }

Supercell.GUT.Titan/Logic/Math/LogicLong.cs

@@ -1,7 +1,6 @@
-using Supercell.GUT.Titan.Encoding;
-using Supercell.GUT.Titan.Encoding.Streamed;
+using Supercell.GUT.Titan.Logic.DataStream;
 
-namespace Supercell.GUT.Titan.Math;
+namespace Supercell.GUT.Titan.Logic.Math;
 
 public class LogicLong
 {

Supercell.GUT.Titan/Logic/Math/LogicMath.cs

@@ -1,4 +1,4 @@
-namespace Supercell.GUT.Titan.Math;
+namespace Supercell.GUT.Titan.Logic.Math;
 
 public static class LogicMath
 {

Supercell.GUT.Titan/Logic/Math/LogicRandom.cs

@@ -1,4 +1,4 @@
-namespace Supercell.GUT.Titan.Math;
+namespace Supercell.GUT.Titan.Logic.Math;
 
 public class LogicRandom
 {

Supercell.GUT.Titan/Logic/Message/LogicMessageFactory.cs

@@ -1,4 +1,4 @@
-namespace Supercell.GUT.Titan.Message;
+namespace Supercell.GUT.Titan.Logic.Message;
 
 public abstract class LogicMessageFactory
 {

Supercell.GUT.Titan/Logic/Message/PiranhaMessage.cs

@@ -1,6 +1,6 @@
-using Supercell.GUT.Titan.Encoding.Streamed;
+using Supercell.GUT.Titan.Logic.DataStream;
 
-namespace Supercell.GUT.Titan.Message;
+namespace Supercell.GUT.Titan.Logic.Message;
 
 public abstract class PiranhaMessage
 {

Supercell.GUT.Titan/Logic/Message/VersionedMessage.cs

@@ -1,4 +1,4 @@
-namespace Supercell.GUT.Titan.Message;
+namespace Supercell.GUT.Titan.Logic.Message;
 
 public abstract class VersionedMessage : PiranhaMessage
 {

Supercell.GUT.Titan/Logic/Util/LogicArrayList.cs

@@ -0,0 +1,131 @@
+using Supercell.GUT.Titan.Logic.Debug;
+
+namespace Supercell.GUT.Titan.Logic.Util;
+
+public class LogicArrayList<T>
+{
+    private T[] m_items;
+    private int m_size;
+
+    public LogicArrayList()
+    {
+        this.m_items = Array.Empty<T>();
+    }
+
+    public LogicArrayList(int capacity)
+    {
+        this.m_items = new T[capacity];
+    }
+
+    public T this[int index]
+    {
+        get
+        {
+            if (this.m_size <= index)
+            {
+                Debugger.Error($"LogicArrayList.get out of bounds {index}/{this.m_size}");
+            }
+
+            return this.m_items[index];
+        }
+        set
+        {
+            if (this.m_size <= index)
+            {
+                Debugger.Error($"LogicArrayList.set out of bounds {index}/{this.m_size}");
+            }
+
+            this.m_items[index] = value;
+        }
+    }
+
+    public void Add(T item)
+    {
+        int size = this.m_items.Length;
+
+        if (size == m_size)
+        {
+            this.EnsureCapacity(size != 0 ? size * 2 : 5);
+        }
+
+        this.m_items[this.m_size++] = item;
+    }
+
+    public void Add(int index, T item)
+    {
+        int size = this.m_items.Length;
+
+        if (size == this.m_size)
+        {
+            this.EnsureCapacity(size != 0 ? size * 2 : 5);
+        }
+
+        if (this.m_size > index)
+        {
+            Array.Copy(this.m_items, index, this.m_items, index + 1, this.m_size - index);
+        }
+
+        this.m_items[index] = item;
+        this.m_size += 1;
+    }
+
+    public void AddAll(LogicArrayList<T> array)
+    {
+        this.EnsureCapacity(this.m_size + array.m_size);
+
+        for (int i = 0, cnt = array.m_size; i < cnt; i++)
+        {
+            this.m_items[this.m_size++] = array[i];
+        }
+    }
+
+    public int IndexOf(T item)
+    {
+        return Array.IndexOf(this.m_items, item, 0, this.m_size);
+    }
+
+    public T Remove(int index)
+    {
+        T item = default;
+
+        if ((uint)index < m_size)
+        {
+            item = this.m_items[index];
+
+            this.m_size -= 1;
+
+            if (index != m_size)
+            {
+                Array.Copy(this.m_items, index + 1, this.m_items, index, this.m_size - index);
+            }
+        }
+
+        return item;
+    }
+
+    public void EnsureCapacity(int count)
+    {
+        int size = this.m_items.Length;
+
+        if (size < count)
+        {
+            Array.Resize(ref this.m_items, count);
+        }
+    }
+
+    public int Size()
+    {
+        return this.m_size;
+    }
+
+    public void Clear()
+    {
+        this.m_size = 0;
+    }
+
+    public void Destruct()
+    {
+        this.m_items = null;
+        this.m_size = 0;
+    }
+}

Supercell.GUT.Titan/Logic/Util/LogicStringUtil.cs

@@ -0,0 +1,30 @@
+using System.Text;
+
+namespace Supercell.GUT.Titan.Logic.Util;
+
+public static class LogicStringUtil
+{
+    public static string SafeString(string a1, string? a2, string a3)
+    {
+        if (a2 != null)
+        {
+            a1 = a2;
+        }
+        else
+        {
+            a1 = a3;
+        }
+
+        return a1;
+    }
+
+    public static string CreateString(byte[] byteArray, int offset, int length)
+    {
+        return Encoding.UTF8.GetString(byteArray, offset, length);
+    }
+
+    public static byte[] GetBytes(string value)
+    {
+        return Encoding.UTF8.GetBytes(value);
+    }
+}

Supercell.GUT.Titan/Util/LogicStringUtil.cs

@@ -1,18 +0,0 @@
-namespace Supercell.GUT.Titan.Util;
-
-public static class LogicStringUtil
-{
-    public static string SafeString(string a1, string? a2, string a3)
-    {
-        if (a2 != null)
-        {
-            a1 = a2;
-        }
-        else
-        {
-            a1 = a3;
-        }
-
-        return a1;
-    }
-}

Supercell.GUT.sln

@@ -9,6 +9,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Supercell.GUT.Titan", "Supe
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Supercell.GUT.Logic", "Supercell.GUT.Logic\Supercell.GUT.Logic.csproj", "{4441B345-1B99-4DE6-9764-B34E3ED8A982}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Supercell.GUT.SDK", "Supercell.GUT.SDK\Supercell.GUT.SDK.csproj", "{CB2AD800-4FD4-4F84-8BFD-6791CC0CDCC6}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -27,6 +29,10 @@ Global
 		{4441B345-1B99-4DE6-9764-B34E3ED8A982}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{4441B345-1B99-4DE6-9764-B34E3ED8A982}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{4441B345-1B99-4DE6-9764-B34E3ED8A982}.Release|Any CPU.Build.0 = Release|Any CPU
+		{CB2AD800-4FD4-4F84-8BFD-6791CC0CDCC6}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{CB2AD800-4FD4-4F84-8BFD-6791CC0CDCC6}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{CB2AD800-4FD4-4F84-8BFD-6791CC0CDCC6}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{CB2AD800-4FD4-4F84-8BFD-6791CC0CDCC6}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE