Init enter game

KcpSharp/BasePacket.cs

@@ -0,0 +1,67 @@
+using KianaBH.Util.Extensions;
+using Google.Protobuf;
+
+namespace KianaBH.KcpSharp;
+
+public class BasePacket(ushort cmdId)
+{
+    private const uint HEADER_CONST = 0x01234567;
+    private const uint TAIL_CONST = 0x89ABCDEF;
+
+    private uint HeadMagic { get; set; }
+    private ushort PacketVersion { get; set; } = 1;
+    private ushort ClientVersion { get; set; }
+    private uint PacketId { get; set; }
+    public uint UserId { get; set; }
+    private uint UserIp { get; set; }
+    private uint Sign { get; set; }
+    private ushort SignType { get; set; }
+    public ushort CmdId { get; set; } = cmdId;
+    private ushort HeaderLength { get; set; }
+    private uint BodyLength { get; set; }
+    private byte[] Header { get; set; } = [];
+    public byte[] Body { get; set; } = [];
+    private uint TailMagic { get; set; }
+
+    public void SetData(byte[] data)
+    {
+        Body = data;
+    }
+
+    public void SetData(IMessage message)
+    {
+        Body = message.ToByteArray();
+    }
+
+    public void SetData(string base64)
+    {
+        SetData(Convert.FromBase64String(base64));
+    }
+
+    public byte[] BuildPacket()
+    {
+        using MemoryStream? ms = new();
+        using BinaryWriter? bw = new(ms);
+
+        bw.WriteUInt32BE(HEADER_CONST);
+        bw.WriteUInt16BE(PacketVersion);
+        bw.WriteUInt16BE(ClientVersion);
+        bw.WriteUInt32BE(PacketId);
+        bw.WriteUInt32BE(UserId);
+        bw.WriteUInt32BE(UserIp);
+        bw.WriteUInt32BE(Sign);
+        bw.WriteUInt16BE(SignType);
+        bw.WriteUInt16BE(CmdId);
+        bw.WriteUInt16BE((ushort)(Header.Length));
+        bw.WriteUInt32BE((uint)(Body.Length));
+
+        bw.Write(Header.ToArray());
+        bw.Write(Body.ToArray());
+
+        bw.WriteUInt32BE(TAIL_CONST);
+
+        var packet = ms.ToArray();
+
+        return packet;
+    }
+}