Always unload chunks before loading and always zero block entities

server/main.py

@@ -12,6 +12,9 @@ from quarry.types.uuid import UUID
 from quarry.data.data_packs import data_packs, dimension_types
 
 
+FOREST_BIOME_DATA_PACK_ID = 7
+
+
 class YTDServerProtocol(ServerProtocol):
 
     def player_joined(self):
@@ -107,7 +110,12 @@ class YTDServerProtocol(ServerProtocol):
         buff.discard()
 
     def send_chunk(self, x, z, full, heightmap, sections, biomes):
+        # sections = self.factory.generate(x,z)
         sections_data = self.bt.pack_chunk(sections)
+        self.send_packet(
+            'unload_chunk',
+            self.bt.pack('ii', x, z),
+        )
         self.send_packet(
             'chunk_data',
             self.bt.pack('ii?', x, z, full),
@@ -116,14 +124,14 @@ class YTDServerProtocol(ServerProtocol):
             self.bt.pack_array('I', biomes) if full else b'',
             self.bt.pack_varint(len(sections_data)),
             sections_data,
-            self.bt.pack_varint(0),
-            b''.join(self.bt.pack_nbt(entity) for entity in ()))
+            self.bt.pack_varint(0), # Always zero block entities
+        )
 
 
 class YTDServerFactory(ServerFactory):
     protocol = YTDServerProtocol
     motd = "YTD Custom Server (WIP)"
-    force_protocol_version = 758
+    force_protocol_version = 758 # 1.18.2
 
     # Sends an unsigned chat message, using system messages on supporting clients
     def broadcast_chat(self, message: str, sender: UUID, sender_name: str):