Bases: MayaExtractorPlugin
Produce an alembic of just point positions and normals.
Positions and normals are preserved, but nothing more, for plain and predictable point caches.
Source code in client/ayon_maya/plugins/publish/extract_assembly.py
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67 | class ExtractAssembly(plugin.MayaExtractorPlugin):
"""Produce an alembic of just point positions and normals.
Positions and normals are preserved, but nothing more,
for plain and predictable point caches.
"""
label = "Extract Assembly"
families = ["assembly"]
def process(self, instance):
staging_dir = self.staging_dir(instance)
hierarchy_filename = "{}.abc".format(instance.name)
hierarchy_path = os.path.join(staging_dir, hierarchy_filename)
json_filename = "{}.json".format(instance.name)
json_path = os.path.join(staging_dir, json_filename)
self.log.debug("Dumping scene data for debugging ..")
with open(json_path, "w") as filepath:
json.dump(instance.data["scenedata"], filepath, ensure_ascii=False)
self.log.debug("Extracting pointcache ..")
cmds.select(instance.data["nodesHierarchy"])
# Run basic alembic exporter
extract_alembic(file=hierarchy_path,
startFrame=1.0,
endFrame=1.0,
**{"step": 1.0,
"attr": ["cbId"],
"writeVisibility": True,
"writeCreases": True,
"uvWrite": True,
"selection": True})
if "representations" not in instance.data:
instance.data["representations"] = []
representation_abc = {
'name': 'abc',
'ext': 'abc',
'files': hierarchy_filename,
"stagingDir": staging_dir
}
instance.data["representations"].append(representation_abc)
representation_json = {
'name': 'json',
'ext': 'json',
'files': json_filename,
"stagingDir": staging_dir
}
instance.data["representations"].append(representation_json)
# Remove data
instance.data.pop("scenedata", None)
cmds.select(clear=True)
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