don't try to serialize optional fields

2021-11-24 11:23:56 +01:00 · 2021-11-24 11:23:56 +01:00 · 5cc4c8d844
commit 5cc4c8d844
parent d1d1eb5ca1
1 changed files with 2 additions and 1 deletions
--- a/aiocraft/mc/packet.py
+++ b/aiocraft/mc/packet.py
@ -38,6 +38,7 @@ class Packet:
 		buf = io.BytesIO()
 		VarInt.write(self.id, buf)
 		for name, t in self.definition:
+			if getattr(self, name, None) is not None: # minecraft proto has no null type: this is an optional field left unset
 				t.write(getattr(self, name, None), buf)
 		buf.seek(0)
 		return buf