79 lines
3.0 KiB
Python
79 lines
3.0 KiB
Python
from minecraft.networking.types import (
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VarInt, Double, Boolean, OriginPoint, Vector, multi_attribute_alias
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)
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from minecraft.networking.packets import Packet
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class FacePlayerPacket(Packet):
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@staticmethod
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def get_id(context):
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return 0x33 if context.protocol_version >= 741 else \
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0x34 if context.protocol_version >= 721 else \
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0x35 if context.protocol_version >= 550 else \
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0x34 if context.protocol_version >= 471 else \
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0x32 if context.protocol_version >= 451 else \
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0x31 if context.protocol_version >= 389 else \
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0x30
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packet_name = 'face player'
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@property
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def fields(self):
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return ('origin', 'x', 'y', 'z', 'entity_id', 'entity_origin') \
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if self.context.protocol_version >= 353 else \
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('entity_id', 'x', 'y', 'z')
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# Access the 'x', 'y', 'z' fields as a Vector tuple.
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target = multi_attribute_alias(Vector, 'x', 'y', 'z')
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def read(self, file_object):
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if self.context.protocol_version >= 353:
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self.origin = VarInt.read(file_object)
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self.x = Double.read(file_object)
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self.y = Double.read(file_object)
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self.z = Double.read(file_object)
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is_entity = Boolean.read(file_object)
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if is_entity:
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# If the entity given by entity ID cannot be found,
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# this packet should be treated as if is_entity was false.
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self.entity_id = VarInt.read(file_object)
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self.entity_origin = VarInt.read(file_object)
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else:
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self.entity_id = None
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else: # Protocol version 352
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is_entity = Boolean.read(file_object)
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self.entity_id = VarInt.read(file_object) if is_entity else None
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if not is_entity:
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self.x = Double.read(file_object)
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self.y = Double.read(file_object)
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self.z = Double.read(file_object)
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def write_fields(self, packet_buffer):
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if self.context.protocol_version >= 353:
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VarInt.send(self.origin, packet_buffer)
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Double.send(self.x, packet_buffer)
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Double.send(self.y, packet_buffer)
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Double.send(self.z, packet_buffer)
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if self.entity_id is not None:
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Boolean.send(True, packet_buffer)
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VarInt.send(self.entity_id, packet_buffer)
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VarInt.send(self.entity_origin, packet_buffer)
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else:
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Boolean.send(False, packet_buffer)
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else: # Protocol version 352
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if self.entity_id is not None:
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Boolean.send(True, packet_buffer)
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VarInt.send(self.entity_id, packet_buffer)
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else:
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Boolean.send(False, packet_buffer)
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Double.send(self.x, packet_buffer)
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Double.send(self.y, packet_buffer)
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Double.send(self.z, packet_buffer)
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# These aliases declare the Enum type corresponding to each field:
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Origin = OriginPoint
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EntityOrigin = OriginPoint
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