class BlockChangePacket(Packet): @staticmethod def get_id(context): return 0x0C if context.protocol_version >= 550 else \ 0x0B if context.protocol_version >= 332 else \ 0x0C if context.protocol_version >= 318 else \ 0x0B if context.protocol_version >= 67 else \ 0x24 if context.protocol_version >= 62 else \ 0x23 packet_name = 'block change' definition = [{'location': Position}, {'block_state_id': VarInt}] block_state_id = 0 # For protocols < 347: an accessor for (block_state_id >> 4). @property def blockId(self): return self.block_state_id >> 4 @blockId.setter def blockId(self, block_id): self.block_state_id = (self.block_state_id & 0xF) | (block_id << 4) # For protocols < 347: an accessor for (block_state_id & 0xF). @property def blockMeta(self): return self.block_state_id & 0xF @blockMeta.setter def blockMeta(self, meta): self.block_state_id = (self.block_state_id & ~0xF) | (meta & 0xF) # This alias is retained for backward compatibility. blockStateId = attribute_alias('block_state_id')
class Record(MutableRecord, Type): __slots__ = "x", "y", "z", "block_state_id" def __init__(self, **kwds): self.block_state_id = 0 super(MultiBlockChangePacket.Record, self).__init__(**kwds) # Access the 'x', 'y', 'z' fields as a Vector of ints. position = multi_attribute_alias(Vector, "x", "y", "z") # For protocols < 347: an accessor for (block_state_id >> 4). @property def blockId(self): return self.block_state_id >> 4 @blockId.setter def blockId(self, block_id): self.block_state_id = self.block_state_id & 0xF | block_id << 4 # For protocols < 347: an accessor for (block_state_id & 0xF). @property def blockMeta(self): return self.block_state_id & 0xF @blockMeta.setter def blockMeta(self, meta): self.block_state_id = self.block_state_id & ~0xF | meta & 0xF # This alias is retained for backward compatibility. blockStateId = attribute_alias("block_state_id") @classmethod def read_with_context(cls, file_object, context): record = cls() if context.protocol_version >= 741: value = VarLong.read(file_object) record.block_state_id = value >> 12 record.x = (value >> 8) & 0xF record.z = (value >> 4) & 0xF record.y = value & 0xF else: h_position = UnsignedByte.read(file_object) record.x = h_position >> 4 record.z = h_position & 0xF record.y = UnsignedByte.read(file_object) record.block_state_id = VarInt.read(file_object) return record @classmethod def send_with_context(self, record, socket, context): if context.protocol_version >= 741: value = (record.block_state_id << 12 | (record.x & 0xF) << 8 | (record.z & 0xF) << 4 | record.y & 0xF) VarLong.send(value, socket) else: UnsignedByte.send(record.x << 4 | record.z & 0xF, socket) UnsignedByte.send(record.y, socket) VarInt.send(record.block_state_id, socket)
class BlockChangePacket(Packet): @staticmethod def get_id(context): return (0x0B if context.protocol_later_eq(721) else 0x0C if context.protocol_later_eq(550) else 0x0B if context.protocol_later_eq(332) else 0x0C if context. protocol_later_eq(318) else 0x0B if context.protocol_later_eq( 67) else 0x24 if context.protocol_later_eq(62) else 0x23) packet_name = "block change" definition = [{"location": Position}, {"block_state_id": VarInt}] block_state_id = 0 # For protocols before 347: an accessor for (block_state_id >> 4). @property def blockId(self): return self.block_state_id >> 4 @blockId.setter def blockId(self, block_id): self.block_state_id = (self.block_state_id & 0xF) | (block_id << 4) # For protocols before 347: an accessor for (block_state_id & 0xF). @property def blockMeta(self): return self.block_state_id & 0xF @blockMeta.setter def blockMeta(self, meta): self.block_state_id = (self.block_state_id & ~0xF) | (meta & 0xF) # This alias is retained for backward compatibility. blockStateId = attribute_alias("block_state_id")
class Record(MutableRecord): __slots__ = 'x', 'y', 'z', 'block_state_id', 'location' def __init__(self, **kwds): self.block_state_id = 0 super(MultiBlockChangePacket.Record, self).__init__(**kwds) # Access the 'x', 'y', 'z' fields as a Vector of ints. position = multi_attribute_alias(Vector, 'x', 'y', 'z') # For protocols < 347: an accessor for (block_state_id >> 4). @property def blockId(self): return self.block_state_id >> 4 @blockId.setter def blockId(self, block_id): self.block_state_id = self.block_state_id & 0xF | block_id << 4 # For protocols < 347: an accessor for (block_state_id & 0xF). @property def blockMeta(self): return self.block_state_id & 0xF @blockMeta.setter def blockMeta(self, meta): self.block_state_id = self.block_state_id & ~0xF | meta & 0xF # This alias is retained for backward compatibility. blockStateId = attribute_alias('block_state_id') def read(self, file_object, parent): h_position = UnsignedByte.read(file_object) self.x, self.z = h_position >> 4, h_position & 0xF self.y = UnsignedByte.read(file_object) self.block_state_id = VarInt.read(file_object) # Absolute position in world to be compatible with BlockChangePacket self.location = Vector(self.position.x + parent.chunk_x * 16, self.position.y, self.position.z + parent.chunk_z * 16) def write(self, packet_buffer): UnsignedByte.send(self.x << 4 | self.z & 0xF, packet_buffer) UnsignedByte.send(self.y, packet_buffer) VarInt.send(self.block_state_id, packet_buffer)
class SpawnObjectPacket(Packet): @staticmethod def get_id(context): return 0x00 if context.protocol_version >= 67 else \ 0x0E packet_name = 'spawn object' fields = ('entity_id', 'object_uuid', 'type_id', 'x', 'y', 'z', 'pitch', 'yaw', 'data', 'velocity_x', 'velocity_y', 'velocity_z') @descriptor def EntityType(desc, self, cls): # pylint: disable=no-self-argument if self is None: # EntityType is being accessed as a class attribute. raise AttributeError( 'This interface is deprecated:\n\n' 'As of pyCraft\'s support for Minecraft 1.14, the nested ' 'class "SpawnObjectPacket.EntityType" cannot be accessed as a ' 'class attribute, because it depends on the protocol version. ' 'There are two ways to access the correct version of the ' 'class:\n\n' '1. Access the "EntityType" attribute of a ' '"SpawnObjectPacket" instance with its "context" property ' 'set.\n\n' '2. Call "SpawnObjectPacket.field_enum(\'type_id\', ' 'context)".') else: # EntityType is being accessed as an instance attribute. return self.field_enum('type_id', self.context) @classmethod def field_enum(cls, field, context): if field != 'type_id' or context is None: return pv = context.protocol_version name = 'EntityType_%d' % pv if hasattr(cls, name): return getattr(cls, name) class EntityType(Enum): # XXX This has not been updated for >= v1.15 ACTIVATED_TNT = 50 if pv < 458 else 55 # PrimedTnt AREA_EFFECT_CLOUD = 3 if pv < 458 else 0 ARMORSTAND = 78 if pv < 458 else 1 ARROW = 60 if pv < 458 else 2 BOAT = 1 if pv < 458 else 5 DRAGON_FIREBALL = 93 if pv < 458 else 13 EGG = 62 if pv < 458 else 74 # ThrownEgg ENDERCRYSTAL = 51 if pv < 458 else 16 ENDERPEARL = 65 if pv < 458 else 75 # ThrownEnderpearl EVOCATION_FANGS = 79 if pv < 458 else 20 EXP_BOTTLE = 75 if pv < 458 else 76 # ThrownExpBottle EYE_OF_ENDER = 72 if pv < 458 else 23 # EyeOfEnderSignal FALLING_OBJECT = 70 if pv < 458 else 24 # FallingSand FIREBALL = 63 if pv < 458 else 34 # Fireball (ghast) FIRECHARGE = 64 if pv < 458 else 65 # SmallFireball (blaze) FIREWORK_ROCKET = 76 if pv < 458 else 25 # FireworksRocketEntity FISHING_HOOK = 90 if pv < 458 else 93 # Fishing bobber ITEM_FRAMES = 71 if pv < 458 else 33 # ItemFrame ITEM_STACK = 2 if pv < 458 else 32 # Item LEASH_KNOT = 77 if pv < 458 else 35 LLAMA_SPIT = 68 if pv < 458 else 37 MINECART = 10 if pv < 458 else 39 # MinecartRideable POTION = 73 if pv < 458 else 77 # ThrownPotion SHULKER_BULLET = 67 if pv < 458 else 60 SNOWBALL = 61 if pv < 458 else 67 SPECTRAL_ARROW = 91 if pv < 458 else 68 WITHER_SKULL = 66 if pv < 458 else 85 if pv >= 393: TRIDENT = 94 if pv >= 458: MINECART_CHEST = 40 MINECART_COMMAND_BLOCK = 41 MINECART_FURNACE = 42 MINECART_HOPPER = 43 MINECART_SPAWNER = 44 MINECART_TNT = 45 setattr(cls, name, EntityType) return EntityType def read(self, file_object): self.entity_id = VarInt.read(file_object) if self.context.protocol_version >= 49: self.object_uuid = UUID.read(file_object) if self.context.protocol_version >= 458: self.type_id = VarInt.read(file_object) else: self.type_id = Byte.read(file_object) xyz_type = Double if self.context.protocol_version >= 100 else Integer for attr in 'x', 'y', 'z': setattr(self, attr, xyz_type.read(file_object)) for attr in 'pitch', 'yaw': setattr(self, attr, Angle.read(file_object)) self.data = Integer.read(file_object) if self.context.protocol_version >= 49 or self.data > 0: for attr in 'velocity_x', 'velocity_y', 'velocity_z': setattr(self, attr, Short.read(file_object)) def write_fields(self, packet_buffer): VarInt.send(self.entity_id, packet_buffer) if self.context.protocol_version >= 49: UUID.send(self.object_uuid, packet_buffer) if self.context.protocol_version >= 458: VarInt.send(self.type_id, packet_buffer) else: Byte.send(self.type_id, packet_buffer) # pylint: disable=no-member xyz_type = Double if self.context.protocol_version >= 100 else Integer for coord in self.x, self.y, self.z: xyz_type.send(coord, packet_buffer) for coord in self.pitch, self.yaw: Angle.send(coord, packet_buffer) Integer.send(self.data, packet_buffer) if self.context.protocol_version >= 49 or self.data > 0: for coord in self.velocity_x, self.velocity_y, self.velocity_z: Short.send(coord, packet_buffer) # Access the entity type as a string, according to the EntityType enum. @property def type(self): if self.context is None: raise ValueError('This packet must have a non-None "context" ' 'in order to read the "type" property.') # pylint: disable=no-member return self.EntityType.name_from_value(self.type_id) @type.setter def type(self, type_name): if self.context is None: raise ValueError('This packet must have a non-None "context" ' 'in order to set the "type" property.') self.type_id = getattr(self.EntityType, type_name) @type.deleter def type(self): del self.type_id # Access the 'x', 'y', 'z' fields as a Vector. position = multi_attribute_alias(Vector, 'x', 'y', 'z') # Access the 'yaw', 'pitch' fields as a Direction. look = multi_attribute_alias(Direction, 'yaw', 'pitch') # Access the 'x', 'y', 'z', 'pitch', 'yaw' 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='x', y='y', z='z', yaw='yaw', pitch='pitch') # Access the 'velocity_{x,y,z}' fields as a Vector. velocity = multi_attribute_alias( Vector, 'velocity_x', 'velocity_y', 'velocity_z') # This alias is retained for backward compatibility. objectUUID = attribute_alias('object_uuid')
class SpawnObjectPacket(Packet): @staticmethod def get_id(context): return 0x00 if context.protocol_later_eq(67) else 0x0E packet_name = "spawn object" fields = ( "entity_id", "object_uuid", "type_id", "x", "y", "z", "pitch", "yaw", "data", "velocity_x", "velocity_y", "velocity_z", ) @descriptor def EntityType(desc, self, cls): # pylint: disable=no-self-argument if self is None: # EntityType is being accessed as a class attribute. raise AttributeError( "This interface is deprecated:\n\n" "As of pyCraft's support for Minecraft 1.14, the nested " 'class "SpawnObjectPacket.EntityType" cannot be accessed as a ' "class attribute, because it depends on the protocol version. " "There are two ways to access the correct version of the " "class:\n\n" '1. Access the "EntityType" attribute of a ' '"SpawnObjectPacket" instance with its "context" property ' "set.\n\n" "2. Call \"SpawnObjectPacket.field_enum('type_id', " 'context)".' ) else: # EntityType is being accessed as an instance attribute. return self.field_enum("type_id", self.context) @classmethod def field_enum(cls, field, context): if field != "type_id" or context is None: return name = "EntityType_%d" % context.protocol_version if hasattr(cls, name): return getattr(cls, name) era = 0 if context.protocol_earlier(458) else 1 class EntityType(Enum): # XXX This has not been updated for >= v1.15 ACTIVATED_TNT = (50, 55)[era] # PrimedTnt AREA_EFFECT_CLOUD = (3, 0)[era] ARMORSTAND = (78, 1)[era] ARROW = (60, 2)[era] BOAT = (1, 5)[era] DRAGON_FIREBALL = (93, 13)[era] EGG = (62, 74)[era] # ThrownEgg ENDERCRYSTAL = (51, 16)[era] ENDERPEARL = (65, 75)[era] # ThrownEnderpearl EVOCATION_FANGS = (79, 20)[era] EXP_BOTTLE = (75, 76)[era] # ThrownExpBottle EYE_OF_ENDER = (72, 23)[era] # EyeOfEnderSignal FALLING_OBJECT = (70, 24)[era] # FallingSand FIREBALL = (63, 34)[era] # Fireball (ghast) FIRECHARGE = (64, 65)[era] # SmallFireball (blaze) FIREWORK_ROCKET = (76, 25)[era] # FireworksRocketEntity FISHING_HOOK = (90, 93)[era] # Fishing bobber ITEM_FRAMES = (71, 33)[era] # ItemFrame ITEM_STACK = (2, 32)[era] # Item LEASH_KNOT = (77, 35)[era] LLAMA_SPIT = (68, 37)[era] MINECART = (10, 39)[era] # MinecartRideable POTION = (73, 77)[era] # ThrownPotion SHULKER_BULLET = (67, 60)[era] SNOWBALL = (61, 67)[era] SPECTRAL_ARROW = (91, 68)[era] WITHER_SKULL = (66, 85)[era] if context.protocol_later_eq(393): TRIDENT = 94 if context.protocol_later_eq(458): MINECART_CHEST = 40 MINECART_COMMAND_BLOCK = 41 MINECART_FURNACE = 42 MINECART_HOPPER = 43 MINECART_SPAWNER = 44 MINECART_TNT = 45 setattr(cls, name, EntityType) return EntityType def read(self, file_object): self.entity_id = VarInt.read(file_object) if self.context.protocol_later_eq(49): self.object_uuid = UUID.read(file_object) if self.context.protocol_later_eq(458): self.type_id = VarInt.read(file_object) else: self.type_id = Byte.read(file_object) xyz_type = Double if self.context.protocol_later_eq(100) else Integer for attr in "x", "y", "z": setattr(self, attr, xyz_type.read(file_object)) for attr in "pitch", "yaw": setattr(self, attr, Angle.read(file_object)) self.data = Integer.read(file_object) if self.context.protocol_later_eq(49) or self.data > 0: for attr in "velocity_x", "velocity_y", "velocity_z": setattr(self, attr, Short.read(file_object)) def write_fields(self, packet_buffer): VarInt.send(self.entity_id, packet_buffer) if self.context.protocol_later_eq(49): UUID.send(self.object_uuid, packet_buffer) if self.context.protocol_later_eq(458): VarInt.send(self.type_id, packet_buffer) else: Byte.send(self.type_id, packet_buffer) # pylint: disable=no-member xyz_type = Double if self.context.protocol_later_eq(100) else Integer for coord in self.x, self.y, self.z: xyz_type.send(coord, packet_buffer) for coord in self.pitch, self.yaw: Angle.send(coord, packet_buffer) Integer.send(self.data, packet_buffer) if self.context.protocol_later_eq(49) or self.data > 0: for coord in self.velocity_x, self.velocity_y, self.velocity_z: Short.send(coord, packet_buffer) # Access the entity type as a string, according to the EntityType enum. @property def type(self): if self.context is None: raise ValueError( 'This packet must have a non-None "context" ' 'in order to read the "type" property.' ) # pylint: disable=no-member return self.EntityType.name_from_value(self.type_id) @type.setter def type(self, type_name): if self.context is None: raise ValueError( 'This packet must have a non-None "context" ' 'in order to set the "type" property.' ) self.type_id = getattr(self.EntityType, type_name) @type.deleter def type(self): del self.type_id # Access the 'x', 'y', 'z' fields as a Vector. position = multi_attribute_alias(Vector, "x", "y", "z") # Access the 'yaw', 'pitch' fields as a Direction. look = multi_attribute_alias(Direction, "yaw", "pitch") # Access the 'x', 'y', 'z', 'pitch', 'yaw' 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="x", y="y", z="z", yaw="yaw", pitch="pitch" ) # Access the 'velocity_{x,y,z}' fields as a Vector. velocity = multi_attribute_alias(Vector, "velocity_x", "velocity_y", "velocity_z") # This alias is retained for backward compatibility. objectUUID = attribute_alias("object_uuid")