def extract_alembic(self, nodes, outpath):
import maya.cmds as cmds
from reveries.maya import capsule, io, lib
with contextlib.nested(
capsule.no_undo(),
capsule.no_display_layers(nodes),
capsule.no_smooth_preview(),
capsule.maintained_selection(),
capsule.without_extension(),
):
cmds.select(nodes, noExpand=True)
frame = cmds.currentTime(query=True)
io.export_alembic(
outpath,
frame,
frame,
selection=True,
renderableOnly=True,
writeCreases=True,
worldSpace=True,
uvWrite=True,
writeUVSets=True,
attr=[
lib.AVALON_ID_ATTR_LONG,
],
attrPrefix=[
"ai", # Write out Arnold attributes
],
)
def extract_mayabinary(self, nodes, outpath):
import maya.cmds as cmds
from reveries.maya import capsule
geo_id_and_hash = None
with contextlib.nested(
capsule.no_undo(),
capsule.no_display_layers(nodes),
capsule.no_smooth_preview(),
capsule.maintained_selection(),
capsule.without_extension(),
):
mesh_nodes = cmds.ls(nodes,
type="mesh",
noIntermediate=True,
long=True)
clay_shader = "initialShadingGroup"
# Perform extraction
cmds.select(nodes, noExpand=True)
with capsule.undo_chunk_when_no_undo():
# Remove mesh history, for removing all intermediate nodes
transforms = cmds.ls(nodes, type="transform")
cmds.delete(transforms, constructionHistory=True)
# Remove all stray shapes, ensure no intermediate nodes
all_meshes = set(cmds.ls(nodes, type="mesh", long=True))
cmds.delete(list(all_meshes - set(mesh_nodes)))
geo_id_and_hash = self.hash(set(mesh_nodes))
with capsule.assign_shader(mesh_nodes,
shadingEngine=clay_shader):
cmds.file(
outpath,
force=True,
typ="mayaBinary",
exportSelectedStrict=True,
preserveReferences=False,
# Shader assignment is the responsibility of
# riggers, for animators, and lookdev, for
# rendering.
shader=False,
# Construction history inherited from collection
# This enables a selective export of nodes
# relevant to this particular plug-in.
constructionHistory=False,
channels=False,
constraints=False,
expressions=False,
)
return geo_id_and_hash
def extract(self):
with contextlib.nested(
capsule.no_undo(),
capsule.no_display_layers(self.member),
capsule.no_smooth_preview(),
capsule.maintained_selection(),
capsule.without_extension(),
):
super(ExtractModel, self).extract()