Implement SpawnMobPacket, Entity & Vehicle Movement Relevant Packets

minecraft/networking/packets/clientbound/play/__init__.py

@@ -4,8 +4,9 @@
 
 from minecraft.networking.types import (
     Integer, FixedPointInteger, Angle, UnsignedByte, Byte, Boolean, UUID,
-    Short, VarInt, Double, Float, String, Enum, Difficulty, Dimension,
-    GameMode, Vector, Direction, PositionAndLook, multi_attribute_alias,
+    Short, VarInt, Double, Float, String, Position, Enum, Difficulty,
+    Dimension, GameMode, Vector, Direction, PositionAndLook,
+    multi_attribute_alias,
 )
 
 from .combat_event_packet import CombatEventPacket
@@ -17,6 +18,8 @@
 from .explosion_packet import ExplosionPacket
 from .sound_effect_packet import SoundEffectPacket
 from .face_player_packet import FacePlayerPacket
+from .destroy_entities_packet import DestroyEntitiesPacket
+from .spawn_mob_packet import SpawnMobPacket
 
 
 # Formerly known as state_playing_clientbound.
@@ -41,7 +44,12 @@ def get_packets(context):
         RespawnPacket,
         PluginMessagePacket,
         PlayerListHeaderAndFooterPacket,
-        EntityLookPacket
+        EntityLookPacket,
+        EntityPacket,
+        DestroyEntitiesPacket,
+        SpawnMobPacket,
+        BlockActionPacket,
+        EntityHeadLookPacket,
     }
     if context.protocol_version <= 47:
         packets |= {
@@ -50,10 +58,11 @@ def get_packets(context):
     if context.protocol_version >= 94:
         packets |= {
             SoundEffectPacket,
+            VehicleMovePacket,
         }
     if context.protocol_version >= 352:
         packets |= {
-            FacePlayerPacket
+            FacePlayerPacket,
         }
     return packets
 
@@ -321,3 +330,95 @@ def get_id(context):
         {'pitch': Angle},
         {'on_ground': Boolean}
     ]
+
+
+class EntityPacket(Packet):
+    @staticmethod
+    def get_id(context):
+        return 0x2B if context.protocol_version >= 471 else \
+               0x27 if context.protocol_version >= 389 else \
+               0x26 if context.protocol_version >= 345 else \
+               0x25 if context.protocol_version >= 332 else \
+               0x29 if context.protocol_version >= 318 else \
+               0x28 if context.protocol_version >= 94 else \
+               0x29 if context.protocol_version >= 70 else \
+               0x14
+
+    packet_name = "entity"
+    definition = [{"entity_id": VarInt}]
+
+
+class VehicleMovePacket(Packet):
+    @staticmethod
+    def get_id(context):
+        return 0x2C if context.protocol_version >= 471 else \
+               0x2B if context.protocol_version >= 389 else \
+               0x2A if context.protocol_version >= 345 else \
+               0x29 if context.protocol_version >= 332 else \
+               0x2A if context.protocol_version >= 318 else \
+               0x29  # Note: Packet added in protocol version 94
+
+    packet_name = "vehicle move clientbound"
+    definition = [
+        {'x': Double},
+        {'y': Double},
+        {'z': Double},
+        {'yaw': Float},
+        {'pitch': Float},
+    ]
+
+    # Access the 'x', 'y', 'z' fields as a Vector tuple.
+    position = multi_attribute_alias(Vector, 'x', 'y', 'z')
+
+    # Access the 'yaw', 'pitch' fields as a Direction tuple.
+    look = multi_attribute_alias(Direction, 'yaw', 'pitch')
+
+    # Access the 'x', 'y', 'z', 'yaw', 'pitch' fields as a PositionAndLook.
+    # NOTE: modifying the object retrieved from this property will not change
+    # the packet; it can only be changed by attribute or property assignment.
+    position_and_look = multi_attribute_alias(
+        PositionAndLook, 'x', 'y', 'z', 'yaw', 'pitch')
+
+
+class BlockActionPacket(Packet):
+    @staticmethod
+    def get_id(context):
+        return 0x0A if context.protocol_version >= 332 else \
+               0x0B if context.protocol_version >= 318 else \
+               0x0A if context.protocol_version >= 70 else \
+               0x25 if context.protocol_version >= 69 else \
+               0x24
+
+    packet_name = "block action"
+    get_definition = staticmethod(lambda context: [
+        {'location': Position},
+        {'block_type': VarInt} if context.protocol_version == 347 else {},
+        {'action_id': UnsignedByte},     # TODO Interpret action_id and
+        {'action_param': UnsignedByte},  # action_param fields.
+        {'block_type': VarInt} if context.protocol_version != 347 else {},
+    ])
+
+
+class EntityHeadLookPacket(Packet):
+    @staticmethod
+    def get_id(context):
+        return 0x3B if context.protocol_version >= 471 else \
+               0x39 if context.protocol_version >= 461 else \
+               0x3A if context.protocol_version >= 451 else \
+               0x39 if context.protocol_version >= 389 else \
+               0x38 if context.protocol_version >= 352 else \
+               0x37 if context.protocol_version >= 345 else \
+               0x36 if context.protocol_version >= 336 else \
+               0x35 if context.protocol_version >= 332 else \
+               0x36 if context.protocol_version >= 318 else \
+               0x34 if context.protocol_version >= 70 else \
+               0x19
+
+    packet_name = 'entity head look'
+
+    fields = 'entity_id', 'head_yaw'
+
+    definition = [
+        {'entity_id': VarInt},
+        {'head_yaw': Angle},
+    ]

minecraft/networking/packets/clientbound/play/destroy_entities_packet.py

@@ -0,0 +1,33 @@
+from minecraft.networking.packets import Packet
+
+from minecraft.networking.types import VarInt
+
+
+class DestroyEntitiesPacket(Packet):
+    @staticmethod
+    def get_id(context):
+        return 0x37 if context.protocol_version >= 471 else \
+               0x35 if context.protocol_version >= 461 else \
+               0x36 if context.protocol_version >= 451 else \
+               0x35 if context.protocol_version >= 389 else \
+               0x34 if context.protocol_version >= 352 else \
+               0x33 if context.protocol_version >= 345 else \
+               0x32 if context.protocol_version >= 336 else \
+               0x31 if context.protocol_version >= 332 else \
+               0x32 if context.protocol_version >= 318 else \
+               0x30 if context.protocol_version >= 70 else \
+               0x13
+
+    packet_name = 'destroy entities'
+
+    fields = 'entity_ids',
+
+    def read(self, file_object):
+        self.entity_ids = [VarInt.read(file_object)
+                           for i in range(VarInt.read(file_object))]
+
+    def write_fields(self, packet_buffer):
+        count = len(self.entity_ids)
+        VarInt.send(count, packet_buffer)
+        for entity_id in self.entity_ids:
+            VarInt.send(entity_id, packet_buffer)