def load_chunk(self, x, z):
"""
Retrieve a `Chunk`.
This method does lots of automatic caching of chunks to ensure that
disk I/O is kept to a minimum.
"""
if (x, z) in self.chunk_cache:
return self.chunk_cache[x, z]
chunk = Chunk(x, z)
self.chunk_cache[x, z] = chunk
filename = os.path.join(self.folder, base36(x & 63), base36(z & 63),
"c.%s.%s.dat" % (base36(x), base36(z)))
tag = retrieve_nbt(filename)
chunk.set_tag(tag)
if not chunk.populated:
self.populate_chunk(chunk)
chunk.populated = True
chunk.dirty = True
# Apply the current season to the chunk.
if self.season:
self.season.transform(chunk)
return chunk
def __init__(self, folder):
"""
Load a world from disk.
:Parameters:
folder : str
The directory containing the world.
"""
self.folder = folder
self.chunk_cache = weakref.WeakValueDictionary()
self.level = retrieve_nbt(os.path.join(self.folder, "level.dat"))
if "Data" in self.level:
self.load_level_data()
else:
self.generate_level()
