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117 | class ExtractABC(plugin.BlenderExtractor, publish.OptionalPyblishPluginMixin):
"""Extract as ABC.
For more details on the export options, see:
https://docs.blender.org/api/current/bpy.ops.wm.html#bpy.ops.wm.alembic_export # noqa
"""
label = "Extract ABC"
hosts = ["blender"]
families = ["pointcache"]
subdiv_schema: bool = False
evaluation_mode: str = "RENDER"
def process(self, instance):
if not self.is_active(instance.data):
return
attr_values = self.get_attr_values_from_data(instance.data)
# Define extract output file path
stagingdir = self.staging_dir(instance)
folder_name = instance.data["folderEntity"]["name"]
product_name = instance.data["productName"]
instance_name = f"{folder_name}_{product_name}"
filename = f"{instance_name}.abc"
filepath = os.path.join(stagingdir, filename)
# Perform extraction
self.log.debug("Performing extraction..")
plugin.deselect_all()
asset_group = instance.data["transientData"]["instance_node"]
selected = []
for obj in instance:
if isinstance(obj, bpy.types.Object):
obj.select_set(True)
selected.append(obj)
context = plugin.create_blender_context(
active=asset_group, selected=selected)
# Supply frame range if set on instance
kwargs = {}
if "frameStartHandle" in instance.data:
kwargs["start"]: int = instance.data["frameStartHandle"]
if "frameEndHandle" in instance.data:
kwargs["end"]: int = instance.data["frameEndHandle"]
with bpy.context.temp_override(**context):
# We export the abc
bpy.ops.wm.alembic_export(
filepath=filepath,
selected=True,
flatten=False,
subdiv_schema=attr_values.get("subdiv_schema",
self.subdiv_schema),
evaluation_mode=attr_values.get("evaluation_mode",
self.evaluation_mode),
**kwargs
)
plugin.deselect_all()
if "representations" not in instance.data:
instance.data["representations"] = []
representation = {
'name': 'abc',
'ext': 'abc',
'files': filename,
"stagingDir": stagingdir,
}
instance.data["representations"].append(representation)
self.log.debug("Extracted instance '%s' to: %s",
instance.name, representation)
@classmethod
def get_attribute_defs(cls):
return [
BoolDef(
"subdiv_schema",
label="Alembic Mesh Subdiv Schema",
tooltip="Export Meshes using Alembic's subdivision schema.\n"
"Enabling this includes creases with the export but "
"excludes the mesh's normals.\n"
"Enabling this usually result in smaller file size "
"due to lack of normals.",
default=cls.subdiv_schema
),
EnumDef(
"evaluation_mode",
label="Alembic Evaluation Mode",
items=[
{"value": "RENDER", "label": "Render"},
{"value": "VIEWPORT", "label": "Viewport"},
],
tooltip=(
"For Alembic export determines visibility of objects, "
"modifier settings, and other areas\nwhere there are "
"different settings for viewport and rendering."
),
default=cls.evaluation_mode
)
]
|