def extract_chunk(self, index):
data_stream = self._data_stream
chunk_size = self.sizeof(index)
self._seek(index)
chunk = stream_read(data_stream, chunk_size)
return chunk
def extract_chunk(self, index):
self._log_extract_chunk(index)
data_stream = self._data_stream
chunk_size = self.sizeof(index)
self._seek(index)
chunk = stream_read(data_stream, chunk_size)
return chunk
def extract_chunk(self, index):
chunk_count = self._chunk_count
data_stream = self._data_stream
huffman_nodes = self._huffman_nodes
index = sequence_index(index, chunk_count)
chunk = b''
chunk_size = self.sizeof(index)
if chunk_size:
self._seek(index)
compressed_size, expanded_size = self._read_sizes(index)
chunk = stream_read(data_stream, compressed_size)
chunk = huffman_expand(chunk, expanded_size, huffman_nodes)
return chunk
def extract_chunk(self, index):
self._log_extract_chunk(index)
chunk_count = self._chunk_count
data_stream = self._data_stream
huffman_nodes = self._huffman_nodes
index = sequence_index(index, chunk_count)
chunk = b''
chunk_size = self.sizeof(index)
if chunk_size:
self._seek(index)
compressed_size, expanded_size = self._read_sizes(index)
chunk = stream_read(data_stream, compressed_size)
chunk = huffman_expand(chunk, expanded_size, huffman_nodes)
return chunk
def extract_chunk(self, index):
data_stream = self._data_stream
carmacized = self._carmacized
rlew_tag = self._rlew_tag
planes_count = self.planes_count
header = None
planes = [None] * planes_count
chunk_size = self.sizeof(index)
if chunk_size:
self._seek(index)
header = TileMapHeader.from_stream(data_stream, planes_count)
for i in range(planes_count):
self._seek(i, header.plane_offsets)
expanded_size = stream_unpack('<H', data_stream)[0]
compressed_size = header.plane_sizes[i] - 2
chunk = stream_read(data_stream, compressed_size)
if carmacized:
chunk = carmack_expand(chunk, expanded_size)[2:]
planes[i] = rlew_expand(chunk, rlew_tag)
return (header, planes)
def extract_chunk(self, index):
self._log_extract_chunk(index)
data_stream = self._data_stream
carmacized = self._carmacized
rlew_tag = self._rlew_tag
planes_count = self.planes_count
header = None
planes = [None] * planes_count
chunk_size = self.sizeof(index)
if chunk_size:
self._seek(index)
header = TileMapHeader.from_stream(data_stream, planes_count)
for i in range(planes_count):
self._seek(i, header.plane_offsets)
expanded_size = stream_unpack('<H', data_stream)[0]
compressed_size = header.plane_sizes[i] - struct.calcsize('<H')
chunk = stream_read(data_stream, compressed_size)
if carmacized:
chunk = carmack_expand(chunk, expanded_size)[struct.calcsize('<H'):]
planes[i] = rlew_expand(chunk, rlew_tag)
return (header, planes)
def from_stream(cls, stream):
header = AdLibSoundHeader.from_stream(stream)
events = stream_read(stream, header.length)
return cls(header, events)
