def export_skin(file_path=None, shapes=None):
"""Exports the skinClusters of the given shapes to disk.
:param file_path: Path to export the data.
:param shapes: Optional list of dag nodes to export skins from. All descendent nodes will be
searched for skinClusters also.
"""
if shapes is None:
shapes = cmds.ls(sl=True) or []
# If no shapes were selected, export all skins
skins = get_skin_clusters(shapes) if shapes else cmds.ls(type="skinCluster")
if not skins:
raise RuntimeError("No skins to export.")
if file_path is None:
start_dir = shortcuts.get_setting(KEY_STORE, cmds.workspace(q=True, rd=True))
if len(skins) == 1:
file_path = cmds.fileDialog2(
dialogStyle=2,
fileMode=0,
fileFilter="Skin Files (*{0})".format(EXTENSION),
startingDirectory=start_dir,
)
if file_path and not file_path[0].endswith(EXTENSION):
file_path[0] += EXTENSION
else:
file_path = cmds.fileDialog2(
dialogStyle=2, fileMode=3, startingDirectory=start_dir
)
if not file_path:
return
file_path = file_path[0]
directory = file_path if len(skins) > 1 else os.path.dirname(file_path)
# Save the directory in the cache
shortcuts.set_setting(KEY_STORE, directory)
if not os.path.exists(directory):
os.makedirs(directory)
for skin in skins:
skin = SkinCluster(skin)
data = skin.gather_data()
logger.info(
"Exporting skinCluster %s on %s (%d influences, %d vertices)",
skin.node,
skin.shape,
len(data["weights"].keys()),
len(data["blendWeights"]),
)
if len(skins) > 1:
# With multiple skinClusters, the user just chooses an export directory. Set the
# name to the transform name.
file_path = os.path.join(
directory, "{}{}".format(skin.shape.replace("|", "!"), EXTENSION)
)
with open(file_path, "w") as fh:
json.dump(data, fh)
def __init__(self, name, max_values=10, parent=None):
"""Constructor
:param name: Name used to query persistent data
:param max_values: Maximum number of values to store in the cache
:param parent: QWidget parent
"""
super(StringCache, self).__init__(parent)
self._name = name
self.max_values = max_values
data = shortcuts.get_setting(self._name)
if data:
data = json.loads(data)
self.setStringList(data)