/// <inheritdoc /> public override bool ProcessDeserializedData(AssetPropertyGraphContainer graphContainer, object targetRootObject, Type targetMemberType, ref object data, bool isRootDataObjectReference, AssetId?sourceId, YamlAssetMetadata <OverrideType> overrides, YamlAssetPath basePath) { if (targetRootObject == null) { throw new ArgumentNullException(nameof(targetRootObject)); } if (data == null) { throw new ArgumentNullException(nameof(data)); } var collectionDescriptor = (CollectionDescriptor)TypeDescriptorFactory.Default.Find(targetRootObject.GetType()); var collection = data as IList <AssetItem>; if (collection == null) { collection = (IList <AssetItem>)Activator.CreateInstance(collectionDescriptor.Type, true); collectionDescriptor.Add(collection, data); } for (var i = 0; i < collection.Count; i++) { var assetItem = collection[i]; // If the asset already exists, clone it with new identifiers if (session.GetAssetById(assetItem.Id) != null) { // Create a derived asset and restore archetype to handle asset-specific cloning process. Dictionary <Guid, Guid> idRemapping; var clone = AssetCloner.Clone(assetItem.Asset, AssetClonerFlags.GenerateNewIdsForIdentifiableObjects, out idRemapping); var assetType = assetItem.Asset.GetType(); if (assetType.HasInterface(typeof(AssetCompositeHierarchy <,>))) { try { // TODO: Find a way to fallback to the asset or generalize for all asset composite dynamic assetComposite = clone; // Remap indices of parts in Hierarchy.Part var path = basePath.Clone(); path.PushItemId(CollectionItemIdHelper.GetCollectionItemIds(collection)[i]); AssetCloningHelper.RemapIdentifiablePaths(overrides, idRemapping, path); AssetPartsAnalysis.GenerateNewBaseInstanceIds(assetComposite.Hierarchy); } catch (RuntimeBinderException e) { e.Ignore(); } } // FIXME: rework this var postProcessor = session.ServiceProvider.Get <ICopyPasteService>().PostProcessors.FirstOrDefault(p => p.Accept(assetType)); postProcessor?.PostPasteDeserialization(clone); collection[i] = new AssetItem(assetItem.Location, clone); } } // Get the fixed-up value data = collection; return(true); }