enter intro cutscene

GameServer/Server/Packet/Handler.cs

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+namespace MikuSB.GameServer.Server.Packet;
+
+public abstract class Handler
+{
+    public abstract Task OnHandle(Connection connection, byte[] data, ushort SeqNo = 0);
+}

GameServer/Server/Packet/HandlerManager.cs

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+using System.Reflection;
+
+namespace MikuSB.GameServer.Server.Packet;
+
+public static class HandlerManager
+{
+    public static Dictionary<int, Handler> handlers = [];
+
+    public static void Init()
+    {
+        var classes = Assembly.GetExecutingAssembly().GetTypes(); // Get all classes in the assembly
+        foreach (var cls in classes)
+        {
+            var attribute = (Opcode?)Attribute.GetCustomAttribute(cls, typeof(Opcode));
+
+            if (attribute != null) handlers.Add(attribute.CmdId, (Handler)Activator.CreateInstance(cls)!);
+        }
+    }
+
+    public static Handler? GetHandler(int cmdId)
+    {
+        try
+        {
+            return handlers[cmdId];
+        }
+        catch
+        {
+            return null;
+        }
+    }
+}

GameServer/Server/Packet/Opcode.cs

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+namespace MikuSB.GameServer.Server.Packet;
+
+[AttributeUsage(AttributeTargets.Class)]
+public class Opcode(int cmdId) : Attribute
+{
+    public int CmdId = cmdId;
+}

GameServer/Server/Packet/Recv/Login/HandlerReqLogin.cs

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+using MikuSB.Data;
+using MikuSB.Database;
+using MikuSB.Database.Account;
+using MikuSB.Database.Player;
+using MikuSB.GameServer.Game.Player;
+using MikuSB.GameServer.Server.Packet.Send.Login;
+using MikuSB.Proto;
+using MikuSB.TcpSharp;
+using MikuSB.Util;
+
+namespace MikuSB.GameServer.Server.Packet.Recv.Login;
+
+[Opcode(CmdIds.ReqLogin)]
+public class HandlerReqLogin : Handler
+{
+    public override async Task OnHandle(Connection connection, byte[] data, ushort seqNo)
+    {
+        var req = ReqLogin.Parser.ParseFrom(data);
+        var account = AccountData.GetAccountByUid(1);
+        if (account == null)
+        {
+            AccountData.CreateAccount("MIKU", 0, "");
+            account = AccountData.GetAccountByUid(1);
+            if (account == null)
+            {
+                await connection.SendPacket(CmdIds.NtfLogout);
+                return;
+            }
+        }
+        if (!ResourceManager.IsLoaded)
+            // resource manager not loaded, return
+            return;
+        var prev = Listener.GetActiveConnection(account.Uid);
+        if (prev != null)
+        {
+            await connection.SendPacket(CmdIds.NtfLogout);
+            prev.Stop();
+        }
+
+        connection.State = SessionStateEnum.WAITING_FOR_LOGIN;
+        var pd = DatabaseHelper.GetInstance<PlayerGameData>(account.Uid);
+        connection.Player = pd == null ? new PlayerInstance(account.Uid) : new PlayerInstance(pd);
+
+        connection.DebugFile = Path.Combine(ConfigManager.Config.Path.LogPath, "Debug/", $"{account.Uid}/",
+            $"Debug-{DateTime.Now:yyyy-MM-dd HH-mm-ss}.log");
+        await connection.Player.OnEnterGame();
+        connection.Player.Connection = connection;
+        await connection.SendPacket(new PacketRspLogin(connection.Player!));
+    }
+}

GameServer/Server/Packet/Send/Login/PacketRspLogin.cs

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+using MikuSB.GameServer.Game.Player;
+using MikuSB.TcpSharp;
+using MikuSB.Proto;
+using MikuSB.Util.Extensions;
+
+namespace MikuSB.GameServer.Server.Packet.Send.Login;
+
+public class PacketRspLogin : BasePacket
+{
+    public PacketRspLogin(PlayerInstance player) : base(CmdIds.RspLogin)
+    {
+        var proto = new RspLogin
+        {
+            Timestamp = (uint)Extensions.GetUnixSec(),
+            WorldChannel = 1,
+            AreaId = 1,
+            Data = new Player
+            {
+                Pid = (ulong)player.Data.Uid,
+                Account = player.Data.Name,
+                Name = player.Data.Name,
+                Level = 80
+            },
+            NeedRename = false
+        };
+
+        SetData(proto);
+    }
+}