def diff(self, aos: T.bpy_prop_collection, key: str, prop: T.Property,
context: Context) -> Optional[DeltaUpdate]:
if len(aos) == 0:
return None
array_size, member_type = self.array_attr(aos, self._member_name,
prop.bl_rna)
typecode = self._array.typecode
tmp_array = array.array(typecode,
soa_initializer(member_type, array_size))
if logger.isEnabledFor(logging.DEBUG):
message = (
f"diff {aos}.{self._member_name} proxy({len(self._array)} {typecode}) blender'{len(aos)} {member_type}'"
)
logger.debug(message)
try:
aos.foreach_get(self._member_name, tmp_array)
except RuntimeError as e:
logger.error(f"diff soa {aos}.{self._member_name} failed")
logger.error(
f"... member size: {len(aos)}, tmp_array: ('{tmp_array.typecode}', {len(tmp_array)})"
)
logger.error(f"... exception {e!r}")
if self._array == tmp_array:
return None
diff = self.__class__()
diff._member_name = self._member_name
diff._array = tmp_array
diff._attach(context)
return DeltaUpdate(diff)
def diff(self, aos: T.bpy_prop_collection, key: str, prop: T.Property, context: Context) -> Optional[DeltaUpdate]:
if len(aos) == 0:
return None
array_size, member_type = self.array_attr(aos, self._member_name, prop.bl_rna)
typecode = self._array.typecode
tmp_array = array.array(typecode, soa_initializer(member_type, array_size))
if logger.isEnabledFor(logging.DEBUG):
message = (
f"diff {aos}.{self._member_name} proxy({len(self._array)} {typecode}) blender'{len(aos)} {member_type}'"
)
logger.debug(message)
aos.foreach_get(self._member_name, tmp_array)
force_diff = context.visit_state.scratchpad.get("force_soa_diff", False)
if self._array == tmp_array and not force_diff:
return None
diff = self.__class__()
diff._member_name = self._member_name
diff._array = tmp_array
diff._attach(context)
return DeltaUpdate(diff)