server/conn.go: add Conn method to expose the underlying connection

server/conn.go

@@ -64,7 +64,7 @@ type Conn struct {
 // It is used for reading and writing packets to the underlying connection.
 func NewConn(conn io.ReadWriteCloser, addr net.Addr, logger *slog.Logger, token string, clientData login.ClientData, identityData login.IdentityData, pool packet.Pool) *Conn {
 	c := &Conn{
-		conn:       conn,
+		conn:   conn,
 		reader: proto.NewReader(conn),
 		writer: proto.NewWriter(conn),
 		logger: logger,
@@ -206,6 +206,14 @@ func (c *Conn) SpawnContext(ctx context.Context) error {
 	}
 }
 
+// Conn returns the underlying connection.
+// Direct access to the underlying connection through this method is
+// strongly discouraged due to the potential for unpredictable behavior.
+// Use this method only when absolutely necessary.
+func (c *Conn) Conn() io.ReadWriteCloser {
+	return c.conn
+}
+
 // GameData returns the game data set for the connection by the StartGame packet.
 func (c *Conn) GameData() minecraft.GameData {
 	return c.gameData

server/packet/connection_request.go

@@ -24,7 +24,6 @@ func (pk *ConnectionRequest) ID() uint32 {
 func (pk *ConnectionRequest) Marshal(io protocol.IO) {
 	io.String(&pk.Addr)
 	io.String(&pk.Token)
-
 	io.ByteSlice(&pk.ClientData)
 	io.ByteSlice(&pk.IdentityData)
 }