def decode(self, bbuff, proto_comp_state):
self.data = {}
packet_length = datautils.unpack(MC_VARINT, bbuff)
packet_data = bbuff.recv(packet_length)
pbuff = BoundBuffer(packet_data)
if proto_comp_state == mcdata.PROTO_COMP_ON:
body_length = datautils.unpack(MC_VARINT, pbuff)
if body_length > 0:
body_data = zlib.decompress(pbuff.flush(), zlib.MAX_WBITS)
pbuff.write(body_data)
pbuff.save()
try:
# Ident
self.__ident[2] = datautils.unpack(MC_VARINT, pbuff)
self.ident = tuple(self.__ident)
self.str_ident = mcdata.packet_ident2str[self.ident]
# Payload
for dtype, name in mcdata.hashed_structs[self.ident]:
self.data[name] = datautils.unpack(dtype, pbuff)
# Extension
if self.ident in hashed_extensions:
hashed_extensions[self.ident].decode_extra(self, pbuff)
if len(pbuff) > 0:
raise PacketDecodeFailure(self, pbuff)
except BufferUnderflowException:
raise PacketDecodeFailure(self, pbuff, True)
return self
def decode(self, bbuff, proto_comp_state):
self.data = {}
packet_length = datautils.unpack(MC_VARINT, bbuff)
packet_data = bbuff.recv(packet_length)
pbuff = BoundBuffer(packet_data)
if proto_comp_state == proto.PROTO_COMP_ON:
body_length = datautils.unpack(MC_VARINT, pbuff)
if body_length:
body_data = zlib.decompress(pbuff.flush(), zlib.MAX_WBITS)
pbuff.write(body_data)
pbuff.save()
try:
# Ident
self.__ident[2] = datautils.unpack(MC_VARINT, pbuff)
self.ident = tuple(self.__ident)
self.str_ident = proto.packet_ident2str[self.ident]
# Payload
for dtype, name in proto.hashed_structs[self.ident]:
self.data[name] = datautils.unpack(dtype, pbuff)
# Extension
if self.ident in hashed_extensions:
hashed_extensions[self.ident].decode_extra(self, pbuff)
if pbuff:
raise PacketDecodeFailure(self, pbuff)
except BufferUnderflowException:
raise PacketDecodeFailure(self, pbuff, True)
return self
def encode_extra(packet):
bbuff = BoundBuffer()
if packet.data['nbt'] is None:
packet.data['nbt'] = nbt._TagEnd()
nbt.TagByte(packet.data['nbt'].id)._render_buffer(bbuff)
if packet.data['nbt'].id == nbt.TAG_COMPOUND:
nbt.TagString(packet.data['nbt'].name)._render_buffer(bbuff)
packet.data['nbt']._render_buffer(bbuff)
return bbuff.flush()
def encode_extra(packet):
bbuff = BoundBuffer()
if packet.data['nbt'] is None:
packet.data['nbt'] = nbt._TagEnd()
nbt.TagByte(packet.data['nbt'].id)._render_buffer(bbuff)
if packet.data['nbt'].id == nbt.TAG_COMPOUND:
nbt.TagString(packet.data['nbt'].name)._render_buffer(bbuff)
packet.data['nbt']._render_buffer(bbuff)
return bbuff.flush()
def pack_slot(slot):
o = pack(MC_SHORT, slot['id'])
if slot['id'] != -1:
o += pack(MC_BYTE, slot['amount'])
o += pack(MC_SHORT, slot['damage'])
if 'enchants' in slot:
ench = slot['enchants']
bbuff = BoundBuffer()
nbt.TagByte(ench.id)._render_buffer(bbuff)
nbt.TagString(ench.name)._render_buffer(bbuff)
ench._render_buffer(bbuff)
o += bbuff.flush()
else:
o += pack(MC_BYTE, 0)
return o
def pack_slot(slot):
o = pack(MC_SHORT, slot["id"])
if slot["id"] != -1:
o += pack(MC_BYTE, slot["amount"])
o += pack(MC_SHORT, slot["damage"])
if "enchants" in slot:
ench = slot["enchants"]
bbuff = BoundBuffer()
nbt.TagByte(ench.id)._render_buffer(bbuff)
nbt.TagString(ench.name)._render_buffer(bbuff)
ench._render_buffer(bbuff)
o += bbuff.flush()
else:
o += pack(MC_BYTE, 0)
return o
def pack_slot(slot):
o = pack(MC_SHORT, slot['id'])
if slot['id'] != -1:
o += pack(MC_BYTE, slot['amount'])
o += pack(MC_SHORT, slot['damage'])
if 'enchants' in slot:
ench = slot['enchants']
bbuff = BoundBuffer()
nbt.TagByte(ench.id)._render_buffer(bbuff)
nbt.TagString(ench.name)._render_buffer(bbuff)
ench._render_buffer(bbuff)
o += bbuff.flush()
else:
o += pack(MC_BYTE, 0)
return o
