refactor package

pkg/protocol/packet/game/server/seen_advancements.go

@@ -0,0 +1,20 @@
+package server
+
+import "github.com/Tnze/go-mc/data/packetid"
+
+//codec:gen
+type SeenAdvancements struct {
+	Action int32 `mc:"VarInt"`
+	//opt:enum:Action:0
+	TabID string `mc:"Identifier"`
+}
+
+func (SeenAdvancements) PacketID() packetid.ServerboundPacketID {
+	return packetid.ServerboundSeenAdvancements
+}
+
+func init() {
+	registerPacket(packetid.ServerboundSeenAdvancements, func() ServerboundPacket {
+		return &SeenAdvancements{}
+	})
+}