Add state machine for caching items into chests

protocol/packets.py

@@ -4,7 +4,7 @@ from minecraft.networking.packets import Packet, PacketBuffer
 from minecraft.networking.types import (
     VarInt, Integer, UnsignedByte, Position, Vector, MutableRecord,
     attribute_alias, multi_attribute_alias, Long, Boolean, VarLong,
-    Short, UnsignedLong, Byte, BlockFace,
+    Short, UnsignedLong, Byte, BlockFace, String
 )
 
 from protocol.types import Nbt, Slot
@@ -217,3 +217,45 @@ class HeldItemChangePacket(Packet):
     definition = [
         {'slot': Short},
     ]
+
+
+class OpenWindowPacket(Packet):
+    # Sent to the client when it should open an inventory, such as a chest, workbench, or furnace
+    # https://wiki.vg/Protocol#Open_Window
+
+    id = 0x2D
+    packet_name = 'open window'
+
+    definition = [
+        {'window_id': VarInt},
+        {'window_type': VarInt},
+        {'window_title': String},
+    ]
+
+class CloseWindowPacket(Packet):
+    # Sent by the client when closing a window
+    # https://wiki.vg/Protocol#Close_Window_.28serverbound.29
+
+    id = 0x0A
+    packet_name = 'close window'
+
+    definition = [
+        {'window_id': UnsignedByte},
+    ]
+
+
+class ClickWindowPacket(Packet):
+    # Sent by the player when it clicks on a slot in a window
+    # https://wiki.vg/Protocol#Click_Window
+
+    id = 0x09
+    packet_name = 'click window'
+
+    definition = [
+        {'window_id': UnsignedByte},
+        {'slot': Short},
+        {'button': Byte},
+        {'action_number': Short},
+        {'mode': VarInt},
+        {'clicked_item': Slot},
+    ]