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345 | class ExistingLayoutLoader(plugin.LayoutLoader):
"""
Load Layout for an existing scene, and match the existing assets.
"""
label = "Load Layout on Existing Scene"
delete_unmatched_assets = True
@classmethod
def apply_settings(cls, project_settings):
super(ExistingLayoutLoader, cls).apply_settings(
project_settings
)
import_settings = project_settings["unreal"]["import_settings"]
cls.delete_unmatched_assets = (
import_settings["delete_unmatched_assets"]
)
cls.loaded_layout_dir = import_settings["loaded_layout_dir"]
cls.remove_loaded_assets = import_settings["remove_loaded_assets"]
def _spawn_actor(self, obj, lasset, sequence):
actor = EditorLevelLibrary.spawn_actor_from_object(
obj, unreal.Vector(0.0, 0.0, 0.0)
)
transform = lasset.get('transform_matrix')
basis = lasset.get('basis')
rotation = lasset.get("rotation", {})
unreal_import = (
True if "unreal" in lasset.get("host", []) else False
)
computed_transform = self._transform_from_basis(
transform, basis, unreal_import=unreal_import)
actor.set_actor_transform(computed_transform, False, True)
if rotation:
actor_rotation = unreal.Rotator(
roll=rotation["x"], pitch=rotation["z"],
yaw=-rotation["y"])
actor.set_actor_rotation(actor_rotation, False)
if sequence is not None:
sequence.add_possessable(actor)
else:
self.log.warning(
"No Level Sequence found for current level. "
"Skipping to add spawned actor into the sequence."
)
def _load_asset(self, repr_data, instance_name, family, extension):
repre_entity = next((repre_entity for repre_entity in repr_data
if repre_entity["name"] == extension), None)
if not repre_entity or extension == "ma":
repre_entity = repr_data[0]
repr_format = repre_entity.get('name')
representation = repre_entity.get('id')
assets = self._load_assets(
instance_name, representation, family, repr_format)
return assets
def _process(self, lib_path, project_name, sequence):
ar = unreal.AssetRegistryHelpers.get_asset_registry()
actors = EditorLevelLibrary.get_all_level_actors()
with open(lib_path, "r") as fp:
data = json.load(fp)
elements = []
repre_ids = set()
extensions = []
# Get all the representations in the JSON from the database.
for element in data:
repre_id = element.get('representation')
extension = element.get("extension", "ma")
if repre_id:
repre_ids.add(repre_id)
elements.append(element)
if extension == "ma":
extensions.extend(["fbx", "abc"])
else:
extensions.append(extension)
repre_entities = ayon_api.get_representations(
project_name, representation_ids=repre_ids
)
repre_entities_by_id = {
repre_entity["id"]: repre_entity
for repre_entity in repre_entities
}
layout_data = []
version_ids = set()
for element in elements:
repre_id = element.get("representation")
repre_entity = repre_entities_by_id.get(repre_id)
if not repre_entity:
raise AssertionError("Representation not found")
if not (
repre_entity.get("attrib")
or repre_entity["attrib"].get("path")
):
raise AssertionError("Representation does not have path")
if not repre_entity.get('context'):
raise AssertionError("Representation does not have context")
layout_data.append((repre_entity, element))
version_ids.add(repre_entity["versionId"])
repre_entities_by_version_id = self._get_repre_entities_by_version_id(
project_name, data, "json"
)
containers = []
actors_matched = []
for (repre_entity, lasset) in layout_data:
# For every actor in the scene, check if it has a representation in
# those we got from the JSON. If so, create a container for it.
# Otherwise, remove it from the scene.
found = False
repre_id = repre_entity["id"]
for actor in actors:
if not actor.get_class().get_name() == 'StaticMeshActor':
continue
if actor in actors_matched:
continue
# Get the original path of the file from which the asset has
# been imported.
smc = actor.get_editor_property('static_mesh_component')
mesh = smc.get_editor_property('static_mesh')
if not mesh:
continue
import_data = mesh.get_editor_property('asset_import_data')
filename = import_data.get_first_filename()
path = Path(filename)
if (not path.name or
path.name not in repre_entity["attrib"]["path"]):
unreal.log("Path is not found in representation entity")
continue
existing_asset_dir = unreal.Paths.get_path(mesh.get_path_name())
assets = ar.get_assets_by_path(existing_asset_dir, recursive=False)
for asset in assets:
obj = asset.get_asset()
if asset.get_class().get_name() == 'AyonAssetContainer':
container = obj
containers.append(container.get_path_name())
# Set the transform for the actor.
transform = lasset.get('transform_matrix')
basis = lasset.get('basis')
rotation = lasset.get("rotation", {})
unreal_import = (
True if "unreal" in lasset.get("host", []) else False
)
computed_transform = self._transform_from_basis(
transform, basis, unreal_import=unreal_import)
actor.set_actor_transform(computed_transform, False, True)
if rotation:
actor_rotation = unreal.Rotator(
roll=rotation["x"], pitch=rotation["z"],
yaw=-rotation["y"])
actor.set_actor_rotation(actor_rotation, False)
actors_matched.append(actor)
found = True
break
# If an actor has not been found for this representation,
# we check if it has been loaded already by checking all the
# loaded containers. If so, we add it to the scene. Otherwise,
# we load it.
if found:
continue
all_containers = upipeline.ls()
loaded = False
for container in all_containers:
repre_id = container.get('representation')
if not repre_id == repre_entity["id"]:
continue
asset_dir = container.get('namespace')
arfilter = unreal.ARFilter(
class_names=["StaticMesh"],
package_paths=[asset_dir],
recursive_paths=False)
assets = ar.get_assets(arfilter)
for asset in assets:
obj = asset.get_asset()
self._spawn_actor(obj, lasset, sequence)
loaded = True
break
# If the asset has not been loaded yet, we load it.
if loaded:
continue
version_id = lasset.get('version')
repre_entities = repre_entities_by_version_id.get(version_id)
if not repre_entities:
self.log.error(
f"No valid representation found for version"
f" {version_id}")
continue
product_type = lasset.get("product_type")
if product_type is None:
product_type = lasset.get("family")
extension = lasset.get("extension")
assets = self._load_asset(
repre_entities,
lasset.get('instance_name'),
product_type,
extension
)
con = None
for asset in assets:
obj = ar.get_asset_by_object_path(asset).get_asset()
if not obj.get_class().get_name() == 'StaticMesh':
continue
self._spawn_actor(obj, lasset, sequence)
if obj.get_class().get_name() == 'AyonAssetContainer':
con = obj
containers.append(con.get_path_name())
break
# Check if an actor was not matched to a representation.
# If so, remove it from the scene.
for actor in actors:
if not actor.get_class().get_name() == 'StaticMeshActor':
continue
if actor not in actors_matched:
self.log.warning(f"Actor {actor.get_name()} not matched.")
if self.delete_unmatched_assets:
EditorLevelLibrary.destroy_actor(actor)
return containers
def load(self, context, name, namespace, options):
print("Loading Layout and Match Assets")
# Create directory for asset and Ayon container
folder_entity = context["folder"]
folder_path = folder_entity["path"]
folder_name = folder_entity["name"]
asset_root, _ = upipeline.format_asset_directory(
context, self.loaded_layout_dir)
suffix = "_CON"
asset_name = f"{folder_name}_{name}" if folder_name else name
tools = unreal.AssetToolsHelpers().get_asset_tools()
asset_dir, container_name = tools.create_unique_asset_name(
asset_root,
suffix="_existing"
)
sub_sys = unreal.get_editor_subsystem(unreal.LevelEditorSubsystem)
curr_level = sub_sys.get_current_level()
curr_asset_dir = Path(
curr_level.get_outer().get_path_name()).parent.as_posix()
if curr_asset_dir == "/Temp":
curr_asset_dir = asset_dir
#TODO: make sure asset_dir is not a temp path,
# create new level for layout level
level_seq_filter = unreal.ARFilter(
class_names=["LevelSequence"],
package_paths=[curr_asset_dir],
recursive_paths=False)
ar = unreal.AssetRegistryHelpers.get_asset_registry()
sequence = next((asset.get_asset() for asset in ar.get_assets(level_seq_filter)), None)
if not curr_level:
raise LoadError("Current level not saved")
project_name = context["project"]["name"]
path = self.filepath_from_context(context)
loaded_assets = self._process(path, project_name, sequence)
container_name += suffix
if not unreal.EditorAssetLibrary.does_asset_exist(
f"{curr_asset_dir}/{container_name}"
):
upipeline.create_container(
container=container_name, path=curr_asset_dir)
self.imprint(
context,
folder_path,
folder_name,
loaded_assets,
curr_asset_dir,
asset_name,
container_name,
context["project"]["name"]
)
def update(self, container, context):
asset_dir = container.get('namespace')
project_name = context["project"]["name"]
repre_entity = context["representation"]
level_seq_filter = unreal.ARFilter(
class_names=["LevelSequence"],
package_paths=[asset_dir],
recursive_paths=False)
ar = unreal.AssetRegistryHelpers.get_asset_registry()
sequence = next((asset for asset in ar.get_assets(level_seq_filter)), None)
source_path = get_representation_path(repre_entity)
loaded_assets = self._process(source_path, project_name, sequence)
upipeline.update_container(
container, repre_entity, loaded_assets=loaded_assets)
unreal.EditorLevelLibrary.save_current_level()
def remove(self, container):
parent_path = Path(container["namespace"])
self._remove_Loaded_asset(container)
container_name = container["container_name"]
if unreal.EditorAssetLibrary.does_asset_exist(
f"{parent_path}/{container_name}"):
unreal.EditorAssetLibrary.delete_asset(
f"{parent_path}/{container_name}")
|