def deleteChunksInBox(self, box):
"""
Deletes all chunks in a given box.
:param box pymclevel.box.BoundingBox
:return: None
"""
logger.info(u"Deleting {0} chunks in {1}".format(
(box.maxcx - box.mincx) * (box.maxcz - box.mincz),
((box.mincx, box.mincz), (box.maxcx, box.maxcz))))
i = 0
ret = []
batch = leveldb_mcpe.WriteBatch()
for cx, cz in itertools.product(xrange(box.mincx, box.maxcx),
xrange(box.mincz, box.maxcz)):
i += 1
if self.containsChunk(cx, cz):
self.deleteChunk(cx, cz, batch=batch)
ret.append((cx, cz))
assert not self.containsChunk(
cx, cz), "Just deleted {0} but it didn't take".format((cx, cz))
if i % 100 == 0:
logger.info(u"Chunk {0}...".format(i))
with self.worldFile.world_db() as db:
wop = self.worldFile.writeOptions
db.Write(wop, batch)
del batch
return ret
def saveInPlaceGen(self):
"""
Save all chunks to the database, and write the root_tag back to level.dat.
"""
if DEBUG_PE:
print "*** saveInPlaceGen"
open(dump_fName, 'a').write("*** saveInPlaceGen\n")
self.saving = True
batch = leveldb_mcpe.WriteBatch()
dirtyChunkCount = 0
for c in self.chunksNeedingLighting:
self.getChunk(*c).genFastLights()
for chunk in self._loadedChunks.itervalues():
if chunk.dirty:
dirtyChunkCount += 1
self.worldFile.saveChunk(chunk, batch=batch)
chunk.dirty = False
yield
with nbt.littleEndianNBT():
for p in self.players:
playerData = self.playerTagCache[p]
if playerData is not None:
playerData = playerData.save(
compressed=False
) # It will get compressed in the DB itself
self.worldFile.savePlayer(p, playerData, batch=batch)
with self.worldFile.world_db() as db:
wop = self.worldFile.writeOptions
db.Write(wop, batch)
self.saving = False
logger.info(
u"Saved {0} chunks to the database".format(dirtyChunkCount))
path = os.path.join(self.worldFile.path, 'level.dat')
with nbt.littleEndianNBT():
rootTagData = self.root_tag.save(compressed=False)
rootTagData = struct.Struct('<i').pack(4) + struct.Struct(
'<i').pack(len(rootTagData)) + rootTagData
with open(path, 'w') as f:
f.write(rootTagData)
