def save_to_packet(self):
"""
Generate a chunk packet.
"""
mask = 0
packed = []
ls = segment_array(self.blocklight)
for i, section in enumerate(self.sections):
if any(section.blocks):
mask |= 1 << i
packed.append(section.blocks.tostring())
for i, section in enumerate(self.sections):
if mask & 1 << i:
packed.append(pack_nibbles(section.metadata))
for i, l in enumerate(ls):
if mask & 1 << i:
packed.append(pack_nibbles(l))
for i, section in enumerate(self.sections):
if mask & 1 << i:
packed.append(pack_nibbles(section.skylight))
# Fake the biome data.
packed.append("\x00" * 256)
packet = make_packet("chunk", x=self.x, z=self.z, continuous=True,
primary=mask, add=0x0, data="".join(packed))
return packet
def test_unpack_nibbles_overflow(self):
"""
No spurious OverflowErrors should occur when packing nibbles.
This test doesn't even assert anything; it will raise instead if
there's a regression.
"""
pack_nibbles(array([0xff, 0xff]))
def test_unpack_nibbles_overflow(self):
"""
No spurious OverflowErrors should occur when packing nibbles.
This test doesn't even assert anything; it will raise instead if
there's a regression.
"""
pack_nibbles([0xff, 0xff])
def save_to_packet(self):
"""
Generate a chunk packet.
"""
array = self.blocks.tostring()
array += pack_nibbles(self.metadata)
array += pack_nibbles(self.blocklight)
array += pack_nibbles(self.skylight)
packet = make_packet("chunk", x=self.x * 16, y=0, z=self.z * 16,
x_size=15, y_size=127, z_size=15, data=array)
return packet
def save_to_packet(self):
"""
Generate a chunk packet.
"""
array = self.blocks.tostring()
array += pack_nibbles(self.metadata)
array += pack_nibbles(self.blocklight)
array += pack_nibbles(self.skylight)
packet = make_packet("chunk", x=self.x * 16, y=0, z=self.z * 16,
x_size=15, y_size=127, z_size=15, data=array)
return packet
def _save_chunk_to_tag(self, chunk):
tag = NBTFile()
tag.name = ""
level = TAG_Compound()
tag["Level"] = level
level["xPos"] = TAG_Int(chunk.x)
level["zPos"] = TAG_Int(chunk.z)
level["HeightMap"] = TAG_Byte_Array()
level["BlockLight"] = TAG_Byte_Array()
level["SkyLight"] = TAG_Byte_Array()
level["Sections"] = TAG_List(type=TAG_Compound)
for i, s in enumerate(chunk.sections):
if s:
section = TAG_Compound()
section.name = ""
section["Y"] = TAG_Byte(i)
section["Blocks"] = TAG_Byte_Array()
section["Blocks"].value = s.blocks.tostring()
section["Data"] = TAG_Byte_Array()
section["Data"].value = pack_nibbles(s.metadata)
section["SkyLight"] = TAG_Byte_Array()
section["SkyLight"].value = pack_nibbles(s.skylight)
level["Sections"].tags.append(section)
level["HeightMap"].value = chunk.heightmap.tostring()
level["BlockLight"].value = pack_nibbles(chunk.blocklight)
level["TerrainPopulated"] = TAG_Byte(chunk.populated)
level["Entities"] = TAG_List(type=TAG_Compound)
for entity in chunk.entities:
try:
entitytag = self._save_entity_to_tag(entity)
level["Entities"].tags.append(entitytag)
except KeyError:
log.msg("Unknown entity %s" % entity.name)
level["TileEntities"] = TAG_List(type=TAG_Compound)
for tile in chunk.tiles.itervalues():
try:
tiletag = self._save_tile_to_tag(tile)
level["TileEntities"].tags.append(tiletag)
except KeyError:
log.msg("Unknown tile entity %s" % tile.name)
return tag
def _save_chunk_to_tag(self, chunk):
tag = NBTFile()
tag.name = ""
level = TAG_Compound()
tag["Level"] = level
level["xPos"] = TAG_Int(chunk.x)
level["zPos"] = TAG_Int(chunk.z)
level["HeightMap"] = TAG_Byte_Array()
level["BlockLight"] = TAG_Byte_Array()
level["SkyLight"] = TAG_Byte_Array()
level["Sections"] = TAG_List(type=TAG_Compound)
for i, s in enumerate(chunk.sections):
if s:
section = TAG_Compound()
section.name = ""
section["Y"] = TAG_Byte(i)
section["Blocks"] = TAG_Byte_Array()
section["Blocks"].value = s.blocks.tostring()
section["Data"] = TAG_Byte_Array()
section["Data"].value = pack_nibbles(s.metadata)
section["SkyLight"] = TAG_Byte_Array()
section["SkyLight"].value = pack_nibbles(s.skylight)
level["Sections"].tags.append(section)
level["HeightMap"].value = chunk.heightmap.tostring()
level["BlockLight"].value = pack_nibbles(chunk.blocklight)
level["TerrainPopulated"] = TAG_Byte(chunk.populated)
level["Entities"] = TAG_List(type=TAG_Compound)
for entity in chunk.entities:
try:
entitytag = self._save_entity_to_tag(entity)
level["Entities"].tags.append(entitytag)
except KeyError:
log.msg("Unknown entity %s" % entity.name)
level["TileEntities"] = TAG_List(type=TAG_Compound)
for tile in chunk.tiles.itervalues():
try:
tiletag = self._save_tile_to_tag(tile)
level["TileEntities"].tags.append(tiletag)
except KeyError:
log.msg("Unknown tile entity %s" % tile.name)
return tag
def test_unpack_nibbles_overflow(self):
"""
No spurious OverflowErrors should occur when packing nibbles.
This test will raise if there's a regression.
"""
self.assertEqual(pack_nibbles(array("B", [0xff, 0xff])), "\xff")
def test_unpack_nibbles_overflow(self):
"""
No spurious OverflowErrors should occur when packing nibbles.
This test will raise if there's a regression.
"""
self.assertEqual(pack_nibbles(array("B", [0xff, 0xff])), "\xff")
def save_to_packet(self):
"""
Generate a chunk packet.
"""
mask = 0
packed = []
ls = segment_array(self.blocklight)
for i, section in enumerate(self.sections):
if any(section.blocks):
mask |= 1 << i
packed.append(section.blocks.tostring())
for i, section in enumerate(self.sections):
if mask & 1 << i:
packed.append(pack_nibbles(section.metadata))
for i, l in enumerate(ls):
if mask & 1 << i:
packed.append(pack_nibbles(l))
for i, section in enumerate(self.sections):
if mask & 1 << i:
packed.append(pack_nibbles(section.skylight))
# Fake the biome data.
packed.append("\x00" * 256)
packet = make_packet("chunk",
x=self.x,
z=self.z,
continuous=True,
primary=mask,
add=0x0,
data="".join(packed))
return packet
def test_pack_nibbles(self):
self.assertEqual(pack_nibbles(array([1, 6])), "a")
self.assertEqual(
pack_nibbles(array([14, 6, 9, 6, 2, 6, 3, 7])),
"nibs")
def test_nibble_reflexivity(self):
self.assertEqual("nibbles", pack_nibbles(unpack_nibbles("nibbles")))
def test_pack_nibbles_multiple(self):
self.assertEqual(
pack_nibbles(array("B", [14, 6, 9, 6, 2, 6, 3, 7])),
"nibs")
def test_pack_nibbles_single(self):
self.assertEqual(pack_nibbles(array("B", [1, 6])), "a")
def test_pack_nibbles_single(self):
self.assertEqual(pack_nibbles(array("B", [1, 6])), "a")
def test_pack_nibbles(self):
self.assertEqual(pack_nibbles(array([1, 6])), "a")
self.assertEqual(
pack_nibbles(array([14, 6, 9, 6, 2, 6, 3, 7])),
"nibs")
def test_pack_nibbles_multiple(self):
self.assertEqual(pack_nibbles(array("B", [14, 6, 9, 6, 2, 6, 3, 7])),
"nibs")
def test_nibble_reflexivity(self):
self.assertEqual("nibbles", pack_nibbles(unpack_nibbles("nibbles")))
