def _init_write(self):
"""data to be written at init in write mode"""
self._buffer.write(magic_num)
self._buffer.write(struct.pack(">B", self._format_version))
if self._format_version == 0:
self._metadata = amulet_nbt.NBTFile(
amulet_nbt.TAG_Compound({
"created_with":
amulet_nbt.TAG_String("amulet_python_wrapper"),
"selection_boxes":
amulet_nbt.TAG_Int_Array([
c for box in self._selection_boxes
if len(box) == 6 and all(
isinstance(c, int) for c in box) for c in box
]),
"section_version":
amulet_nbt.TAG_Byte(self._section_version),
"export_version":
amulet_nbt.TAG_Compound({
"edition":
amulet_nbt.TAG_String(self._source_edition),
"version":
amulet_nbt.TAG_List([
amulet_nbt.TAG_Int(v) for v in self._source_version
]),
}),
}))
else:
raise Exception(
f"This wrapper doesn't support any construction version higher than {max_format_version}"
)
def _encode_base_entity(
entity: Union[Entity, BlockEntity],
id_type: EntityIDType,
coord_type: EntityCoordType,
) -> Optional[amulet_nbt.NBTFile]:
if not isinstance(entity.nbt, amulet_nbt.NBTFile) and isinstance(
entity.nbt.value, amulet_nbt.TAG_Compound):
return
nbt = entity.nbt
if id_type == EntityIDType.namespace_str_id:
nbt["id"] = amulet_nbt.TAG_String(entity.namespaced_name)
elif id_type == EntityIDType.namespace_str_Id:
nbt["Id"] = amulet_nbt.TAG_String(entity.namespaced_name)
elif id_type == EntityIDType.namespace_str_identifier:
nbt["identifier"] = amulet_nbt.TAG_String(entity.namespaced_name)
elif id_type == EntityIDType.str_id:
nbt["id"] = amulet_nbt.TAG_String(entity.base_name)
elif id_type == EntityIDType.int_id:
if not entity.base_name.isnumeric():
return
nbt["id"] = amulet_nbt.TAG_Int(int(entity.base_name))
else:
raise NotImplementedError(f"Entity id type {id_type}")
if coord_type == EntityCoordType.Pos_list_double:
nbt["Pos"] = amulet_nbt.TAG_List([
amulet_nbt.TAG_Double(float(entity.x)),
amulet_nbt.TAG_Double(float(entity.y)),
amulet_nbt.TAG_Double(float(entity.z)),
])
elif coord_type == EntityCoordType.Pos_list_float:
nbt["Pos"] = amulet_nbt.TAG_List([
amulet_nbt.TAG_Float(float(entity.x)),
amulet_nbt.TAG_Float(float(entity.y)),
amulet_nbt.TAG_Float(float(entity.z)),
])
elif coord_type == EntityCoordType.Pos_list_int:
nbt["Pos"] = amulet_nbt.TAG_List([
amulet_nbt.TAG_Int(int(entity.x)),
amulet_nbt.TAG_Int(int(entity.y)),
amulet_nbt.TAG_Int(int(entity.z)),
])
elif coord_type == EntityCoordType.Pos_array_int:
nbt["Pos"] = amulet_nbt.TAG_Int_Array(
[int(entity.x), int(entity.y),
int(entity.z)])
elif coord_type == EntityCoordType.xyz_int:
nbt["x"] = amulet_nbt.TAG_Int(int(entity.x))
nbt["y"] = amulet_nbt.TAG_Int(int(entity.y))
nbt["z"] = amulet_nbt.TAG_Int(int(entity.z))
else:
raise NotImplementedError(f"Entity coord type {coord_type}")
return nbt
def save_to(self, f: BinaryIO):
palette: BlockManager = BlockManager()
f.write(magic_num)
f.write(struct.pack(">B", self._format_version))
if self._format_version == 0:
metadata = amulet_nbt.NBTFile(
amulet_nbt.TAG_Compound(
{
"created_with": amulet_nbt.TAG_String(
"amulet_python_wrapper_v2"
),
"selection_boxes": amulet_nbt.TAG_Int_Array(
[
c
for box in self._selection.selection_boxes
for c in (*box.min, *box.max)
]
),
"section_version": amulet_nbt.TAG_Byte(self._section_version),
"export_version": amulet_nbt.TAG_Compound(
{
"edition": amulet_nbt.TAG_String(self._platform),
"version": amulet_nbt.TAG_List(
[amulet_nbt.TAG_Int(v) for v in self._version]
),
}
),
}
)
)
section_index_table: List[
Tuple[int, int, int, int, int, int, int, int]
] = []
if self._section_version == 0:
for section_list in self._chunk_to_section.values():
for section in section_list:
sx, sy, sz = section.location
shapex, shapey, shapez = section.shape
blocks = section.blocks
entities = section.entities
block_entities = section.block_entities
section_palette = section.palette
position = f.tell()
_tag = amulet_nbt.TAG_Compound(
{"entities": serialise_entities(entities)}
)
if blocks is None:
_tag["blocks_array_type"] = amulet_nbt.TAG_Byte(-1)
else:
flattened_array = blocks.ravel()
index, flattened_array = numpy.unique(
flattened_array, return_inverse=True
)
section_palette = numpy.array(
section_palette, dtype=object
)[index]
lut = numpy.vectorize(palette.get_add_block)(
section_palette
)
flattened_array = lut[flattened_array]
array_type = find_fitting_array_type(flattened_array)
_tag["blocks_array_type"] = amulet_nbt.TAG_Byte(
array_type().tag_id
)
_tag["blocks"] = array_type(flattened_array)
_tag["block_entities"] = serialise_block_entities(
block_entities or []
)
amulet_nbt.NBTFile(_tag).save_to(f)
length = f.tell() - position
section_index_table.append(
(sx, sy, sz, shapex, shapey, shapez, position, length)
)
else:
raise Exception(
f"This wrapper doesn't support any section version higher than {max_section_version}"
)
metadata_start = f.tell()
metadata["section_index_table"] = amulet_nbt.TAG_Byte_Array(
numpy.array(section_index_table, dtype=SECTION_ENTRY_TYPE).view(
numpy.int8
)
)
metadata["block_palette"] = pack_palette(palette)
metadata.save_to(f)
f.write(INT_STRUCT.pack(metadata_start))
f.write(magic_num)
else:
raise Exception(
f"This wrapper doesn't support any construction version higher than {max_format_version}"
)
def decode(self, cx: int, cz: int,
data: amulet_nbt.NBTFile) -> Tuple["Chunk", AnyNDArray]:
"""
Create an amulet.api.chunk.Chunk object from raw data given by the format.
:param cx: chunk x coordinate
:param cz: chunk z coordinate
:param data: amulet_nbt.NBTFile
:return: Chunk object in version-specific format, along with the block_palette for that chunk.
"""
misc = {}
chunk = Chunk(cx, cz)
if self.features["last_update"] == "long":
misc["last_update"] = (data["Level"].get(
"LastUpdate", amulet_nbt.TAG_Long(0)).value)
if self.features["status"] in ["j13", "j14"]:
chunk.status = data["Level"]["Status"].value
else:
status = "empty"
if (self.features["terrain_populated"] == "byte"
and data["Level"].get("TerrainPopulated",
amulet_nbt.TAG_Byte()).value):
status = "decorated"
if (self.features["light_populated"] == "byte"
and data["Level"].get("LightPopulated",
amulet_nbt.TAG_Byte()).value):
status = "postprocessed"
chunk.status = status
if self.features["V"] == "byte":
misc["V"] = data["Level"]["V"].value
if self.features["inhabited_time"] == "long":
misc["inhabited_time"] = (data["Level"].get(
"InhabitedTime", amulet_nbt.TAG_Long(0)).value)
if self.features["biomes"] is not None:
biomes = data["Level"].get("Biomes",
amulet_nbt.TAG_Int_Array()).value
if self.features["biomes"] == "256BA":
biomes = biomes.astype(numpy.uint8)
elif self.features["biomes"] in ["256IA", "1024IA"]:
biomes = biomes.astype(numpy.uint32)
chunk.biomes = biomes
if self.features["height_map"] == "256IA":
misc["height_map256IA"] = data["Level"]["HeightMap"].value
elif self.features["height_map"] in [
"C|36LA|V1",
"C|36LA|V2",
"C|36LA|V3",
"C|36LA|V4",
]:
if "Heightmaps" in data["Level"]:
misc["height_mapC|36LA"] = data["Level"]["Heightmaps"]
if "Sections" in data["Level"]:
if self.features["blocks"] in [
"Sections|(Blocks,Data,Add)",
"Sections|(BlockStates,Palette)",
]:
chunk.blocks, palette = self._decode_blocks(
data["Level"]["Sections"])
else:
raise Exception(
f'Unsupported block format {self.features["blocks"]}')
if self.features["block_light"] == "Sections|2048BA":
misc["block_light"] = {
section["Y"].value: section["BlockLight"]
for section in data["Level"]["Sections"]
if "BlockLight" in section
}
if self.features["sky_light"] == "Sections|2048BA":
misc["sky_light"] = {
section["Y"].value: section["SkyLight"]
for section in data["Level"]["Sections"]
if "SkyLight" in section
}
else:
palette = numpy.array(
[Block(namespace="minecraft", base_name="air")])
if self.features["entities"] == "list":
if amulet.entity_support:
chunk.entities = self._decode_entities(data["Level"].get(
"Entities", amulet_nbt.TAG_List()))
else:
misc["java_entities_temp"] = self._decode_entities(
data["Level"].get("Entities", amulet_nbt.TAG_List()))
if self.features["block_entities"] == "list":
chunk.block_entities = self._decode_block_entities(
data["Level"].get("TileEntities", amulet_nbt.TAG_List()))
if self.features["tile_ticks"] == "list":
misc["tile_ticks"] = data["Level"].get("TileTicks",
amulet_nbt.TAG_List())
if self.features["liquid_ticks"] == "list":
if "LiquidTicks" in data["Level"]:
misc["liquid_ticks"] = data["Level"]["LiquidTicks"]
if self.features["liquids_to_be_ticked"] == "16list|list":
if "LiquidsToBeTicked" in data["Level"]:
misc["liquids_to_be_ticked"] = data["Level"][
"LiquidsToBeTicked"]
if self.features["to_be_ticked"] == "16list|list":
if "ToBeTicked" in data["Level"]:
misc["to_be_ticked"] = data["Level"]["ToBeTicked"]
if self.features["post_processing"] == "16list|list":
if "PostProcessing" in data["Level"]:
misc["post_processing"] = data["Level"]["PostProcessing"]
if self.features["structures"] == "compound":
if "Structures" in data["Level"]:
misc["structures"] = data["Level"]["Structures"]
chunk.misc = misc
return chunk, palette
def encode(self, chunk: "Chunk", palette: AnyNDArray,
max_world_version: Tuple[str, int]) -> amulet_nbt.NBTFile:
"""
Encode a version-specific chunk to raw data for the format to store.
:param chunk: The version-specific chunk to translate and encode.
:param palette: The block_palette the ids in the chunk correspond to.
:param max_world_version: The key to use to find the encoder.
:return: amulet_nbt.NBTFile
"""
misc = chunk.misc
data = amulet_nbt.NBTFile(amulet_nbt.TAG_Compound(), "")
data["Level"] = amulet_nbt.TAG_Compound()
data["Level"]["xPos"] = amulet_nbt.TAG_Int(chunk.cx)
data["Level"]["zPos"] = amulet_nbt.TAG_Int(chunk.cz)
if self.features["data_version"] == "int":
data["DataVersion"] = amulet_nbt.TAG_Int(max_world_version[1])
if self.features["last_update"] == "long":
data["Level"]["LastUpdate"] = amulet_nbt.TAG_Long(
misc.get("last_update", 0))
# Order the float value based on the order they would be run. Newer replacements for the same come just after
# to save back find the next lowest valid value.
if self.features["status"] in ["j13", "j14"]:
status = chunk.status.as_type(self.features["status"])
data["Level"]["Status"] = amulet_nbt.TAG_String(status)
else:
status = chunk.status.as_type("float")
if self.features["terrain_populated"] == "byte":
data["Level"]["TerrainPopulated"] = amulet_nbt.TAG_Byte(
int(status > -0.3))
if self.features["light_populated"] == "byte":
data["Level"]["LightPopulated"] = amulet_nbt.TAG_Byte(
int(status > -0.2))
if self.features["V"] == "byte":
data["Level"]["V"] = amulet_nbt.TAG_Byte(misc.get("V", 1))
if self.features["inhabited_time"] == "long":
data["Level"]["InhabitedTime"] = amulet_nbt.TAG_Long(
misc.get("inhabited_time", 0))
if self.features["biomes"] == "256BA":
if chunk.status.value > -0.7:
data["Level"]["Biomes"] = amulet_nbt.TAG_Byte_Array(
chunk.biomes.convert_to_format(256).astype(
dtype=numpy.uint8))
elif self.features["biomes"] == "256IA":
if chunk.status.value > -0.7:
data["Level"]["Biomes"] = amulet_nbt.TAG_Int_Array(
chunk.biomes.convert_to_format(256).astype(
dtype=numpy.uint32))
elif self.features["biomes"] == "1024IA":
if chunk.status.value > -0.7:
data["Level"]["Biomes"] = amulet_nbt.TAG_Int_Array(
chunk.biomes.convert_to_format(1024).astype(
dtype=numpy.uint32))
if self.features["height_map"] == "256IA":
data["Level"]["HeightMap"] = amulet_nbt.TAG_Int_Array(
misc.get("height_map256IA", numpy.zeros(256,
dtype=numpy.uint32)))
elif self.features["height_map"] in [
"C|36LA|V1",
"C|36LA|V2",
"C|36LA|V3",
"C|36LA|V4",
]:
maps = [
"WORLD_SURFACE_WG",
"OCEAN_FLOOR_WG",
"MOTION_BLOCKING",
"MOTION_BLOCKING_NO_LEAVES",
"OCEAN_FLOOR",
]
if self.features["height_map"] == "C|36LA|V1": # 1466
maps = ("LIQUID", "SOILD", "LIGHT", "RAIN")
elif self.features["height_map"] == "C|36LA|V2": # 1484
maps.append("LIGHT_BLOCKING")
elif self.features["height_map"] == "C|36LA|V3": # 1503
maps.append("LIGHT_BLOCKING")
maps.append("WORLD_SURFACE")
elif self.features["height_map"] == "C|36LA|V4": # 1908
maps.append("WORLD_SURFACE")
else:
raise Exception
heightmaps = misc.get("height_mapC|36LA",
amulet_nbt.TAG_Compound())
for heightmap in maps:
if heightmap not in heightmaps:
heightmaps[heightmap] = amulet_nbt.TAG_Long_Array(
numpy.zeros(36, dtype=">i8"))
data["Level"]["Heightmaps"] = heightmaps
if self.features["blocks"] in [
"Sections|(Blocks,Data,Add)",
"Sections|(BlockStates,Palette)",
]:
data["Level"]["Sections"] = self._encode_blocks(
chunk.blocks, palette)
else:
raise Exception(
f'Unsupported block format {self.features["blocks"]}')
if self.features["block_light"] in [
"Sections|2048BA"
] or self.features["sky_light"] in ["Sections|2048BA"]:
for section in data["Level"]["Sections"]:
y = section["Y"].value
if self.features["block_light"] == "Sections|2048BA":
block_light = misc.get("block_light", {})
if y in block_light:
section["BlockLight"] = block_light[y]
else:
section["BlockLight"] = amulet_nbt.TAG_Byte_Array(
numpy.full(2048, 255, dtype=numpy.uint8))
if self.features["sky_light"] == "Sections|2048BA":
sky_light = misc.get("sky_light", {})
if y in sky_light:
section["SkyLight"] = sky_light[y]
else:
section["SkyLight"] = amulet_nbt.TAG_Byte_Array(
numpy.full(2048, 255, dtype=numpy.uint8))
if self.features["entities"] == "list":
if amulet.entity_support:
data["Level"]["Entities"] = self._encode_entities(
chunk.entities)
else:
data["Level"]["Entities"] = self._encode_entities(
misc.get("java_entities_temp", amulet_nbt.TAG_List()))
if self.features["block_entities"] == "list":
data["Level"]["TileEntities"] = self._encode_block_entities(
chunk.block_entities)
if self.features["tile_ticks"] in ["list", "list(optional)"]:
ticks = misc.get("tile_ticks", amulet_nbt.TAG_List())
if self.features["tile_ticks"] == "list(optional)":
if len(ticks) > 0:
data["Level"]["TileTicks"] = ticks
elif self.features["tile_ticks"] == "list":
data["Level"]["TileTicks"] = ticks
if self.features["liquid_ticks"] == "list":
data["Level"]["LiquidTicks"] = misc.get("liquid_ticks",
amulet_nbt.TAG_List())
if self.features["liquids_to_be_ticked"] == "16list|list":
data["Level"]["LiquidsToBeTicked"] = misc.get(
"liquids_to_be_ticked",
amulet_nbt.TAG_List([amulet_nbt.TAG_List()
for _ in range(16)]),
)
if self.features["to_be_ticked"] == "16list|list":
data["Level"]["ToBeTicked"] = misc.get(
"to_be_ticked",
amulet_nbt.TAG_List([amulet_nbt.TAG_List()
for _ in range(16)]),
)
if self.features["post_processing"] == "16list|list":
data["Level"]["PostProcessing"] = misc.get(
"post_processing",
amulet_nbt.TAG_List([amulet_nbt.TAG_List()
for _ in range(16)]),
)
if self.features["structures"] == "compound":
data["Level"]["Structures"] = misc.get(
"structures",
amulet_nbt.TAG_Compound({
"References": amulet_nbt.TAG_Compound(),
"Starts": amulet_nbt.TAG_Compound(),
}),
)
return data
def open_from(self, f: BinaryIO):
sponge_schem = amulet_nbt.load(f)
version = sponge_schem.get("Version")
if not isinstance(version, amulet_nbt.TAG_Int):
raise SpongeSchemReadError(
"Version key must exist and be an integer.")
if version == 1:
raise SpongeSchemReadError(
"Sponge Schematic Version 1 is not supported currently.")
elif version == 2:
offset = sponge_schem.get("Offset")
if isinstance(offset,
amulet_nbt.TAG_Int_Array) and len(offset) == 3:
min_point = numpy.array(offset)
else:
min_point = numpy.array([0, 0, 0], dtype=numpy.int32)
size = []
for key in ("Width", "Height", "Length"):
val = sponge_schem.get(key)
if not isinstance(val, amulet_nbt.TAG_Short):
raise SpongeSchemReadError(
f"Key {key} must exist and be a TAG_Short.")
# convert to an unsigned short
val = val.value
if val < 0:
val += 2**16
size.append(val)
max_point = min_point + size
selection = SelectionBox(min_point, max_point)
self._bounds[self.dimensions[0]] = SelectionGroup(selection)
data_version = sponge_schem.get("DataVersion")
if not isinstance(data_version, amulet_nbt.TAG_Int):
raise SpongeSchemReadError("DataVersion must be a TAG_Int.")
translator_version = self.translation_manager.get_version(
"java", int(data_version))
self._platform = translator_version.platform
self._version = translator_version.data_version
packed_block_data = sponge_schem.get("BlockData")
if not isinstance(packed_block_data, amulet_nbt.TAG_Byte_Array):
raise SpongeSchemReadError(
"BlockData must be a TAG_Byte_Array")
unpacked_block_data = decode_byte_array(
numpy.array(packed_block_data, dtype=numpy.uint8))
if len(unpacked_block_data) != numpy.prod(size):
raise SpongeSchemReadError(
"The data contained in BlockData does not match the size of the schematic."
)
dx, dy, dz = selection.shape
blocks_array: numpy.ndarray = numpy.transpose(
numpy.array(
unpacked_block_data,
dtype=numpy.uint32,
).reshape((dy, dz, dx)),
(2, 0, 1), # YZX => XYZ
)
if "Palette" not in sponge_schem:
raise SpongeSchemReadError(
"Amulet is not able to read Sponge Schem files with no block palette."
)
palette_data = sponge_schem.get("Palette")
if not isinstance(palette_data, amulet_nbt.TAG_Compound):
raise SpongeSchemReadError("Palette must be a TAG_Compound.")
block_palette: Dict[int, Block] = {}
for blockstate, index in palette_data.items():
if index.value in block_palette:
raise SpongeSchemReadError(
f"Duplicate block index {index} found in the palette.")
block_palette[index.value] = Block.from_string_blockstate(
blockstate)
if not numpy.all(numpy.isin(blocks_array, list(block_palette))):
raise SpongeSchemReadError(
"Some values in BlockData were not present in Palette")
for cx, cz in selection.chunk_locations():
chunk_box = SelectionBox.create_chunk_box(
cx, cz).intersection(selection)
array_slice = chunk_box.create_moved_box(selection.min,
subtract=True).slice
chunk_blocks_: numpy.ndarray = blocks_array[array_slice]
chunk_palette_indexes, chunk_blocks = numpy.unique(
chunk_blocks_,
return_inverse=True,
)
chunk_blocks = chunk_blocks.reshape(chunk_blocks_.shape)
chunk_palette = numpy.empty(len(chunk_palette_indexes),
dtype=object)
for palette_index, index in enumerate(chunk_palette_indexes):
chunk_palette[palette_index] = block_palette[index]
self._chunks[(cx, cz)] = (
chunk_box,
chunk_blocks,
chunk_palette,
[],
[],
)
if "BlockEntities" in sponge_schem:
block_entities = sponge_schem["BlockEntities"]
if (not isinstance(block_entities, amulet_nbt.TAG_List)
or block_entities.list_data_type !=
10 # amulet_nbt.TAG_Compound.tag_id
):
raise SpongeSchemReadError(
"BlockEntities must be a TAG_List of compound tags.")
for block_entity in block_entities:
if "Pos" in block_entity:
pos = block_entity["Pos"]
if isinstance(
pos,
amulet_nbt.TAG_Int_Array) and len(pos) == 3:
pos = pos + min_point
x, y, z = (
pos[0],
pos[1],
pos[2],
)
block_entity["Pos"] = amulet_nbt.TAG_Int_Array(pos)
cx, cz = x >> 4, z >> 4
if (cx, cz) in self._chunks and (
x, y, z) in self._chunks[(cx, cz)][0]:
self._chunks[(cx, cz)][3].append(block_entity)
if "Entities" in sponge_schem:
entities = sponge_schem["Entities"]
if (not isinstance(entities, amulet_nbt.TAG_List)
or entities.list_data_type !=
10 # amulet_nbt.TAG_Compound.tag_id
):
raise SpongeSchemReadError(
"Entities must be a TAG_List of compound tags.")
for entity in entities:
if "Pos" in entity:
pos = entity["Pos"]
if (isinstance(pos, amulet_nbt.TAG_List)
and len(pos) == 3 and pos.list_data_type
== 6): # amulet_nbt.TAG_Double.tag_id:
x, y, z = (
pos[0].value + offset[0],
pos[1].value + offset[0],
pos[2].value + offset[0],
)
entity["Pos"] = amulet_nbt.TAG_List([
amulet_nbt.TAG_Int(x),
amulet_nbt.TAG_Int(y),
amulet_nbt.TAG_Int(z),
])
cx, cz = numpy.floor([x, z]).astype(int) >> 4
if (cx, cz) in self._chunks and (
x, y, z) in self._chunks[(cx, cz)][0]:
self._chunks[(cx, cz)][4].append(entity)
else:
raise SpongeSchemReadError(
f"Sponge Schematic Version {version.value} is not supported currently."
)
def save_to(self, f: BinaryIO):
if self._schem_version == 1:
raise SpongeSchemReadError(
"Sponge Schematic Version 1 is not supported currently.")
elif self._schem_version == 2:
selection = self._bounds[self.dimensions[0]].selection_boxes[0]
if any(s > 2**16 - 1 for s in selection.shape):
raise SpongeSchemWriteError(
"The structure is too large to be exported to a Sponge Schematic file. It must be 2^16 - 1 at most in each dimension."
)
overflowed_shape = [
s if s < 2**15 else s - 2**16 for s in selection.shape
]
data = amulet_nbt.NBTFile(
amulet_nbt.TAG_Compound({
"Version":
amulet_nbt.TAG_Int(2),
"DataVersion":
amulet_nbt.TAG_Int(self._version),
"Width":
amulet_nbt.TAG_Short(overflowed_shape[0]),
"Height":
amulet_nbt.TAG_Short(overflowed_shape[1]),
"Length":
amulet_nbt.TAG_Short(overflowed_shape[2]),
"Offset":
amulet_nbt.TAG_Int_Array(selection.min),
}),
name="Schematic",
)
entities = []
block_entities = []
blocks = numpy.zeros(selection.shape, dtype=numpy.uint32)
palette: List[AnyNDArray] = []
if self._version < 1500:
raise Exception(
"Writing to Sponge Schematic files in pre-1.13 format is not currently supported."
)
else:
arr = numpy.empty(1, dtype=object)
arr[0] = Block("minecraft", "air")
palette.append((arr))
palette_len = 1
for (
selection_,
blocks_,
palette_,
block_entities_,
entities_,
) in self._chunks.values():
if selection_.intersects(selection):
box = selection_.create_moved_box(selection.min,
subtract=True)
blocks[box.slice] = blocks_ + palette_len
palette.append(palette_)
palette_len += len(palette_)
for be in block_entities_:
be = copy.deepcopy(be)
be["Pos"] = amulet_nbt.TAG_Int_Array(be["Pos"] -
selection.min)
block_entities.append(be)
for e in entities_:
e = copy.deepcopy(e)
x, y, z = e["Pos"]
e["Pos"] = amulet_nbt.TAG_List([
amulet_nbt.TAG_Int(x - selection.min_x),
amulet_nbt.TAG_Int(y - selection.min_y),
amulet_nbt.TAG_Int(z - selection.min_z),
])
entities.append(e)
compact_palette, lut = brute_sort_objects_no_hash(
numpy.concatenate(palette))
blocks = numpy.transpose(lut[blocks],
(1, 2, 0)).ravel() # XYZ => YZX
block_palette = []
for index, block in enumerate(compact_palette):
block: Block
block_palette.append(block.blockstate)
data["PaletteMax"] = amulet_nbt.TAG_Int(len(compact_palette))
data["Palette"] = amulet_nbt.TAG_Compound({
blockstate: amulet_nbt.TAG_Int(index)
for index, blockstate in enumerate(block_palette)
})
data["BlockData"] = amulet_nbt.TAG_Byte_Array(
list(encode_array(blocks)))
if block_entities:
data["BlockEntities"] = amulet_nbt.TAG_List(block_entities)
if entities:
data["Entities"] = amulet_nbt.TAG_List(entities)
data.save_to(f)
else:
raise SpongeSchemReadError(
f"Sponge Schematic Version {self._schem_version} is not supported currently."
)
