diff --git a/compiler/proto.py b/compiler/proto.py
index 16e29b8..90eafea 100644
--- a/compiler/proto.py
+++ b/compiler/proto.py
@@ -9,6 +9,8 @@ from typing import List, Dict, Union
 
 from aiocraft.mc.types import *
 
+# TODO de-spaghetti this file sometime!
+
 DIR_MAP = {"toClient": "clientbound", "toServer": "serverbound"}
 PREFACE = """\"\"\"[!] This file is autogenerated\"\"\"\n\n"""
 IMPORTS = """from typing import Tuple, List, Dict
@@ -82,14 +84,16 @@ def parse_field(slot: dict) -> str:
 class PacketClassWriter:
 	title : str
 	ids   : str
+	attrs : List[str]
 	slots : str
 	fields: str
 	state : int
 
 
-	def __init__(self, title:str, ids:str, slots:str, fields:str, state:int):
+	def __init__(self, title:str, ids:str, attrs:List[str], slots:str, fields:str, state:int):
 		self.title = title
 		self.ids = ids
+		self.attrs = attrs
 		self.slots = slots
 		self.fields = fields
 		self.state = state
@@ -101,6 +105,7 @@ class PacketClassWriter:
 				name=self.title, 
 				ids='{\n\t\t' + ',\n\t\t'.join(self.ids) + '\n\t}\n', 
 				definitions='{\n\t\t' + '\n\t\t'.join(self.slots) + '\n\t}\n',
+				slots=', '.join(f"'{x}'" for x in self.attrs),
 				fields='\n\t'.join(self.fields),
 				state=self.state,
 			)
@@ -212,6 +217,7 @@ def compile():
 				pkt = PACKETS[state][direction][packet]
 				slots = []
 				fields = set()
+				attrs = set()
 				ids = []
 				for v in sorted(PACKETS[state][direction][packet]["definitions"].keys()):
 					defn = pkt["definitions"][v]
@@ -224,12 +230,14 @@ def compile():
 					for slot in defn["slots"]:
 						v_slots.append(parse_slot(slot))
 						fields.add(parse_field(slot))
+						if "name" in slot:
+							attrs.add(slot["name"])
 					slots.append(f"{v} : [ {','.join(v_slots)} ],")
 
 				with open(mc_path / f"proto/{state}/{direction}/{packet}.py", "w") as f:
 					f.write(
 						PacketClassWriter(
-							pkt["name"], ids, slots, fields, _STATE_MAP[state]
+							pkt["name"], ids, attrs, slots, fields, _STATE_MAP[state]
 						).compile()
 					)