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182 | class ExtractMatchmoveScriptMaya(publish.Extractor,
ExtractScriptBase,
OptionalPyblishPluginMixin):
"""Extract Maya MEL script for matchmove.
This is using built-in export script from 3DEqualizer.
"""
label = "Extract Maya Script"
families: ClassVar[list] = ["matchmove"]
hosts: ClassVar[list] = ["equalizer"]
optional = True
order = pyblish.api.ExtractorOrder
# intentionally ignoring complexity warning (PLR0915 and PLR0912) because
# of the nature of the export scripts in 3DEqualizer.
def process(self, instance: pyblish.api.Instance) -> None: # noqa: C901,PLR0915,PLR0912
"""Extract Maya script from 3DEqualizer.
This method is using export script shipped with 3DEqualizer to
maintain as much compatibility as possible. Instead of invoking it
from the UI, it calls directly the function that is doing the export.
For that it needs to pass some data that are collected in 3dequalizer
from the UI, so we need to determine them from the instance itself and
from the state of the project.
"""
if not self.is_active(instance.data):
return
attr_data = self.get_attr_values_from_data(instance.data)
# import maya export script from 3DEqualizer
exporter_path = instance.context.data["tde4_path"] / "sys_data" / "py_scripts" / "export_maya.py" # noqa: E501
self.log.debug("Importing %s", exporter_path.as_posix())
exporter = import_filepath(exporter_path.as_posix())
# get camera point group
point_group = None
point_groups = tde4.getPGroupList()
for pg in point_groups:
if tde4.getPGroupType(pg) == "CAMERA":
point_group = pg
break
else:
# this should never happen as it should be handled by validator
error_msg = "No camera point group found."
raise KnownPublishError(error_msg)
# Here we subtract 1 because 3DE is computing the offset with an offset
offset = tde4.getCameraFrameOffset(tde4.getCurrentCamera()) - 1
overscan_width = attr_data["overscan_percent_width"] / 100.0
overscan_height = attr_data["overscan_percent_height"] / 100.0
staging_dir = self.staging_dir(instance)
unit_scales = {
"mm": 10.0, # cm -> mm
"cm": 1.0, # cm -> cm
"m": 0.01, # cm -> m
"in": 0.393701, # cm -> in
"ft": 0.0328084, # cm -> ft
"yd": 0.0109361 # cm -> yd
}
scale_factor = unit_scales[attr_data["units"]]
model_selection_enum = instance.data["creator_attributes"]["model_selection"] # noqa: E501
with maintained_model_selection():
# handle model selection
# We are passing it to existing function that is expecting
# this value to be an index of selection type.
# 1 - No models
# 2 - Selected models
# 3 - All models
if model_selection_enum == "__all__":
model_selection = 3
elif model_selection_enum == "__none__":
model_selection = 1
else:
# take model from instance and set its selection flag on
# turn off all others
model_selection = 2
point_groups = tde4.getPGroupList()
for point_group in point_groups:
model_list = tde4.get3DModelList(point_group, 0)
if model_selection_enum in model_list:
model_selection = 2
tde4.set3DModelSelectionFlag(
point_group, instance.data["model_selection"], 1)
break
# clear all other model selections
for model in model_list:
tde4.set3DModelSelectionFlag(point_group, model, 0)
file_path = Path(staging_dir) / "maya_export"
if instance.context.data.get("tde4_version"):
self.log.debug("Exporting to: %s", file_path.as_posix())
# create representation data
if "representations" not in instance.data:
instance.data["representations"] = []
if instance.context.data["tde4_version"].major == EQUALIZER_7:
status = exporter._maya_export_mel_file( # noqa: SLF001
f"{file_path.as_posix()}.mel",
point_group,
[
c["id"] for c in instance.data["cameras"]
if c["enabled"]
],
model_selection,
overscan_width,
overscan_height,
1 if attr_data["export_uv_textures"] else 0,
scale_factor,
offset,
1 if attr_data["hide_reference_frame"] else 0,
)
representation = {
"name": "mel",
"ext": "mel",
"files": f"{file_path.name}.mel",
"stagingDir": staging_dir,
}
elif instance.context.data["tde4_version"].major == EQUALIZER_8:
exporter.script_version = "4.7"
status, npoly_warning = exporter._maya_export_python_file( # noqa: SLF001
file_path.as_posix(), # staging path,
point_group, # camera point group,
[
c["id"] for c in instance.data["cameras"]
if c["enabled"]
],
model_selection,
overscan_width,
overscan_height,
1 if attr_data["export_uv_textures"] else 0,
scale_factor,
offset,
1 if attr_data["hide_reference_frame"] else 0,
# scene_name
maya_valid_name(f"{instance.data['name']}_GRP"),
1 if attr_data["point_sets"] else 0,
1 if attr_data["export_2p5d"] else 0)
if npoly_warning:
self.log.warning("npoly warning: %s", npoly_warning)
representation = {
"name": "py",
"ext": "py",
"files": f"{file_path.name}.py",
"stagingDir": staging_dir,
}
if status != 1:
# for EM102
err_msg = f"Export failed {status}"
raise KnownPublishError(err_msg)
self.log.debug("output: %s", file_path.as_posix())
instance.data["representations"].append(representation)
|