codecs update

codec/packet/login/server/key.go

@@ -0,0 +1,19 @@
+package server
+
+import "github.com/Tnze/go-mc/data/packetid"
+
+//codec:gen
+type LoginKey struct {
+	SharedSecret []byte `mc:"ByteArray"`
+	VerifyToken  []byte `mc:"ByteArray"`
+}
+
+func (LoginKey) PacketID() packetid.ServerboundPacketID {
+	return packetid.ServerboundLoginKey
+}
+
+func init() {
+	registerPacket(packetid.ServerboundLoginKey, func() ServerboundPacket {
+		return &LoginKey{}
+	})
+}