def test_io():
buf = Buffer()
assert buf.buf == b""
assert buf.pos == 0
buf = Buffer(b"\x69\x00\x01\x02\x03")
assert buf.read(1) == b"\x69"
assert buf.read(2) == b"\x00\x01"
assert buf.read() == b"\x02\x03"
buf.reset()
assert buf.read() == b"\x69\x00\x01\x02\x03"
buf.reset()
def encode(self) -> bytes:
out = Buffer.pack("i", self.chunk.x) + Buffer.pack("i", self.chunk.z) + Buffer.pack("?", self.full)
mask = 0
chunk_sections_buffer = Buffer()
for y, section in self.chunk.sections.items(): # pack chunk columns into buffer and generate a bitmask
if y >= 0:
mask |= 1 << y
chunk_sections_buffer.write(Buffer.pack_chunk_section(section))
out += Buffer.pack_varint(mask) + Buffer.pack_nbt(
nbt.TAG_Compound("", [self.chunk["Heightmaps"]["MOTION_BLOCKING"], self.chunk["Heightmaps"]["WORLD_SURFACE"]])
)
if self.full:
out += Buffer.pack_varint(len(Chunk["Biomes"])) + b"".join([Buffer.pack_varint(n) for n in Chunk["Biomes"]])
out += len(chunk_sections_buffer) + chunk_sections_buffer.read()
# here we would pack the block entities, but we don't support them yet so we just send an array with length of 0
out += Buffer.pack_varint(0)
return out
def decode(cls, buf: Buffer) -> HandshakeLegacyPingRequest:
buf.read(15)
return cls(buf.read(1),
buf.read(buf.unpack("h")).decode("UTF-16BE"),
buf.unpack("i"))
def decode(cls, buf: Buffer) -> LoginStart:
return cls(buf.read(buf.unpack_varint()).decode("UTF-8"))
def decode(cls, buf: Buffer) -> LoginEncryptionResponse:
return cls(buf.read(buf.unpack_varint()),
buf.read(buf.unpack_varint()))
def decode(self, buf: Buffer) -> PlayPluginMessageServerBound:
return PlayPluginMessageServerBound(buf.unpack_string(),
Buffer(buf.read()))
def decode(self, buf: Buffer) -> PlayPluginMessageServerBound:
return PlayPluginMessageServerBound(buf.read())
