def _loadPalette(self, data):
palletLen, data = struct.unpack("<I", data[:4])[0], data[4:]
dr = nbt.DataReader(data)
palette = []
for _ in range(palletLen):
block = nbt.decode(dr)
palette.append(block)
return palette, data[dr.idx:]
def unpack(bbuff, data_type):
if data_type in data_types:
format = data_types[data_type]
return unpack_real(bbuff, format[0], format[1])
if data_type == "string8":
length = unpack(bbuff, "short")
return bbuff.recv(length)
if data_type == "string16":
length = unpack(bbuff, "short")
return bbuff.recv(2 * length).decode("utf-16be")
if data_type == "slot":
o = {}
o["id"] = unpack(bbuff, "short")
if o["id"] > 0:
o["amount"] = unpack(bbuff, "byte")
o["damage"] = unpack(bbuff, "short")
if o["id"] in enchantable:
length = unpack(bbuff, "short")
if length > 0:
ench = bbuff.recv(length)
try:
ench = nbt.decompress(ench)
ench = nbt.decode(StringIO.StringIO(ench))
o["enchantments"] = ench
except:
o["enchantment_data"] = ench
return o
if data_type == "metadata":
metadata = []
x = unpack(bbuff, "ubyte")
while x != 127:
key = x & 0x1F # Lower 5 bits
ty = x >> 5 # Upper 3 bits
if ty == 0:
val = unpack(bbuff, "byte")
if ty == 1:
val = unpack(bbuff, "short")
if ty == 2:
val = unpack(bbuff, "int")
if ty == 3:
val = unpack(bbuff, "float")
if ty == 4:
val = unpack(bbuff, "string16")
if ty == 5:
val = {}
val["id"] = unpack(bbuff, "short")
val["count"] = unpack(bbuff, "byte")
val["damage"] = unpack(bbuff, "short")
if ty == 6:
val = []
for i in range(3):
val.append(unpack(bbuff, "int"))
metadata.append((key, (ty, val)))
x = unpack(bbuff, "byte")
return metadata
def _loadEntities(self, db):
try:
data = ldb.get(db, self.keyBase + b"2")
except KeyError:
return []
data = nbt.DataReader(data)
entities = []
while not data.finished():
entities.append(nbt.decode(data))
return entities
def unpack(bbuff, data_type):
if data_type in data_types:
format = data_types[data_type]
return unpack_real(bbuff, format[0], format[1])
if data_type == "string8":
length = unpack(bbuff, 'short')
return bbuff.recv(length)
if data_type == "string16":
length = unpack(bbuff, 'short')
return bbuff.recv(2*length).decode('utf-16be')
if data_type == "slot":
o = {}
o["id"] = unpack(bbuff, 'short')
if o["id"] > -1:
o["amount"] = unpack(bbuff, 'byte')
o["damage"] = unpack(bbuff, 'short')
if o['id'] > -1:
length = unpack(bbuff, 'short')
if length > 0:
ench = bbuff.recv(length)
try:
ench = nbt.decompress(ench)
ench = nbt.decode(StringIO.StringIO(ench))
o["enchantments"] = ench
except:
o["enchantment_data"] = ench
return o
if data_type == "metadata":
metadata = []
x = unpack(bbuff, 'ubyte')
while x != 127:
val = None
key = x & 0x1F # Lower 5 bits
ty = x >> 5 # Upper 3 bits
if ty == 0: val = unpack(bbuff, 'byte')
if ty == 1: val = unpack(bbuff, 'short')
if ty == 2: val = unpack(bbuff, 'int')
if ty == 3: val = unpack(bbuff, 'float')
if ty == 4: val = unpack(bbuff, 'string16')
if ty == 5:
val = {}
val["id"] = unpack(bbuff, 'short')
val["count"] = unpack(bbuff, 'byte')
val["damage"] = unpack(bbuff, 'short')
if ty == 6:
val = []
for i in range(3):
val.append(unpack(bbuff, 'int'))
assert val is not None, "unknown val:" + str(ty)
metadata.append((key, (ty, val)))
x = unpack(bbuff, 'ubyte')
return metadata
def _loadTileEntities(self, db):
try:
data = ldb.get(db, self.keyBase + b"1")
except KeyError:
return
data = nbt.DataReader(data)
while not data.finished():
nbtData = nbt.decode(data)
x = nbtData.pop("x").payload # We add back theses with the correct value on save, they are important.
y = nbtData.pop("y").payload
z = nbtData.pop("z").payload
block = self.getBlock(x % 16, y, z % 16)
if not block:
print("Warning: Cannot apply nbt to block at {} {} {} since it does not exist.".format(x, y, z))
continue
block.nbt = nbtData