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121 | class ExtractLook(publish.Extractor):
"""Extract look."""
label = "Extract Look"
hosts = ["unreal"]
families = ["look"]
optional = True
def process(self, instance):
# Define extract output file path
staging_dir = self.staging_dir(instance)
resources_dir = instance.data["resourcesDir"]
ar = unreal.AssetRegistryHelpers.get_asset_registry()
transfers = []
json_data = []
for member in instance:
asset = ar.get_asset_by_object_path(member)
obj = asset.get_asset()
name = asset.get_editor_property('asset_name')
json_element = {'material': str(name)}
material_obj = obj.get_editor_property('static_materials')[0]
material = material_obj.material_interface
base_color = mat_lib.get_material_property_input_node(
material, unreal.MaterialProperty.MP_BASE_COLOR)
base_color_name = base_color.get_editor_property('parameter_name')
texture = mat_lib.get_material_default_texture_parameter_value(
material, base_color_name)
if texture:
# Export Texture
tga_filename = f"{instance.name}_{name}_texture.tga"
tga_exporter = unreal.TextureExporterTGA()
tga_export_task = unreal.AssetExportTask()
tga_export_task.set_editor_property('exporter', tga_exporter)
tga_export_task.set_editor_property('automated', True)
tga_export_task.set_editor_property('object', texture)
tga_export_task.set_editor_property(
'filename', f"{staging_dir}/{tga_filename}")
tga_export_task.set_editor_property('prompt', False)
tga_export_task.set_editor_property('selected', False)
unreal.Exporter.run_asset_export_task(tga_export_task)
json_element['tga_filename'] = tga_filename
transfers.append((
f"{staging_dir}/{tga_filename}",
f"{resources_dir}/{tga_filename}"))
fbx_filename = f"{instance.name}_{name}.fbx"
fbx_exporter = unreal.StaticMeshExporterFBX()
fbx_exporter.set_editor_property('text', False)
options = unreal.FbxExportOption()
options.set_editor_property('ascii', False)
options.set_editor_property('collision', False)
task = unreal.AssetExportTask()
task.set_editor_property('exporter', fbx_exporter)
task.set_editor_property('options', options)
task.set_editor_property('automated', True)
task.set_editor_property('object', object)
task.set_editor_property(
'filename', f"{staging_dir}/{fbx_filename}")
task.set_editor_property('prompt', False)
task.set_editor_property('selected', False)
unreal.Exporter.run_asset_export_task(task)
json_element['fbx_filename'] = fbx_filename
transfers.append((
f"{staging_dir}/{fbx_filename}",
f"{resources_dir}/{fbx_filename}"))
json_data.append(json_element)
json_filename = f"{instance.name}.json"
json_path = os.path.join(staging_dir, json_filename)
with open(json_path, "w+") as file:
json.dump(json_data, fp=file, indent=2)
if "transfers" not in instance.data:
instance.data["transfers"] = []
if "representations" not in instance.data:
instance.data["representations"] = []
json_representation = {
'name': 'json',
'ext': 'json',
'files': json_filename,
"stagingDir": staging_dir,
}
instance.data["representations"].append(json_representation)
instance.data["transfers"].extend(transfers)
|