/// <inheritdoc />
public override bool ProcessDeserializedData(AssetPropertyGraphContainer graphContainer, object targetRootObject, Type targetMemberType, ref object data, bool isRootDataObjectReference, AssetId?sourceId, YamlAssetMetadata <OverrideType> overrides, YamlAssetPath basePath)
{
var asset = (AssetCompositeHierarchy <TAssetPartDesign, TAssetPart>)targetRootObject;
var hierarchy = data as AssetCompositeHierarchyData <TAssetPartDesign, TAssetPart>;
if (hierarchy == null)
{
return(false);
}
// Create a temporary asset to host the hierarchy to paste, so we have a property graph to manipulate it.
var tempAsset = (AssetCompositeHierarchy <TAssetPartDesign, TAssetPart>)Activator.CreateInstance(asset.GetType());
tempAsset.Hierarchy = hierarchy;
// Use temporary containers so that any created nodes are discarded after the processing.
var tempNodeContainer = new AssetNodeContainer {
NodeBuilder = { NodeFactory = new AssetNodeFactory() }
};
var definition = AssetQuantumRegistry.GetDefinition(asset.GetType());
var rootNode = tempNodeContainer.GetOrCreateNode(tempAsset);
// If different asset or if at least one part already exists, create a custom clone.
if (asset.Id != sourceId || hierarchy.Parts.Values.Any(part => asset.ContainsPart(part.Part.Id)))
{
// Clone again to create new ids for any IIdentifiable, but keep references to external object intact.
var cloneExternalReferences = ExternalReferenceCollector.GetExternalReferences(definition, rootNode);
hierarchy = AssetCloner.Clone(hierarchy, AssetClonerFlags.GenerateNewIdsForIdentifiableObjects, cloneExternalReferences, out var idRemapping);
// Remap indices of parts in Hierarchy.Part
AssetCloningHelper.RemapIdentifiablePaths(overrides, idRemapping, basePath);
// Make new base instances ids in case the part are inherited.
AssetPartsAnalysis.GenerateNewBaseInstanceIds(hierarchy);
// Update the temporary asset with this cloned hierarchy.
rootNode[nameof(AssetCompositeHierarchy <TAssetPartDesign, TAssetPart> .Hierarchy)].Update(hierarchy);
}
// Collect all referenceable objects from the target asset (where we're pasting)
var targetPropertyGraph = graphContainer.TryGetGraph(asset.Id);
var referenceableObjects = IdentifiableObjectCollector.Collect(targetPropertyGraph.Definition, targetPropertyGraph.RootNode);
// Replace references in the hierarchy being pasted by the real objects from the target asset.
var externalReferences = new HashSet <Guid>(ExternalReferenceCollector.GetExternalReferences(definition, rootNode).Select(x => x.Id));
var visitor = new ObjectReferencePathGenerator(definition)
{
ShouldOutputReference = x => externalReferences.Contains(x)
};
visitor.Visit(rootNode);
FixupObjectReferences.FixupReferences(tempAsset, visitor.Result, referenceableObjects, true);
data = hierarchy;
return(true);
}
private void RegisterComponent(EntityComponent component)
{
if (component != null && ComponentType.IsInstanceOfType(component))
{
var rootNode = controller.GameSideNodeContainer.GetOrCreateNode(component);
var listener = new AssetGraphNodeChangeListener(rootNode, AssetQuantumRegistry.GetDefinition(typeof(EntityHierarchyAssetBase)));
listener.Initialize();
listener.ValueChanged += ComponentPropertyChanged;
listener.ItemChanged += ComponentPropertyChanged;
registeredListeners.Add(component, listener);
}
}
/// <inheritdoc/>
protected override Dictionary <Guid, IIdentifiable> CollectIdentifiableObjects()
{
var allElements = RootElements.Values.BreadthFirst(x => x.VisualChildren);
var definition = AssetQuantumRegistry.GetDefinition(Asset.Asset.GetType());
var identifiableObjects = new Dictionary <Guid, IIdentifiable>();
foreach (var entityNode in allElements.Select(x => GameSideNodeContainer.GetOrCreateNode(x)))
{
foreach (var identifiable in IdentifiableObjectCollector.Collect(definition, entityNode))
{
identifiableObjects.Add(identifiable.Key, identifiable.Value);
}
}
return(identifiableObjects);
}
/// <inheritdoc/>
protected override Dictionary <Guid, IIdentifiable> CollectIdentifiableObjects()
{
var allEntities = Game.ContentScene.Yield().BreadthFirst(x => x.Children).SelectMany(x => x.Entities).BreadthFirst(x => x.Transform.Children.Select(y => y.Entity));
var definition = AssetQuantumRegistry.GetDefinition(Asset.Asset.GetType());
var identifiableObjects = new Dictionary <Guid, IIdentifiable>();
foreach (var entityNode in allEntities.Select(x => GameSideNodeContainer.GetOrCreateNode(x)))
{
foreach (var identifiable in IdentifiableObjectCollector.Collect(definition, entityNode))
{
identifiableObjects.Add(identifiable.Key, identifiable.Value);
}
}
return(identifiableObjects);
}
protected IEnumerable <TAssetPart> ClonePartsForGameSide([NotNull] AssetCompositeHierarchy <TAssetPartDesign, TAssetPart> asset, [NotNull] IEnumerable <TAssetPart> parts)
{
var flags = SubHierarchyCloneFlags.RemoveOverrides;
var sourceContainer = Asset.PropertyGraph.Container.NodeContainer;
var targetContainer = GameSideNodeContainer;
var clone = AssetCompositeHierarchyPropertyGraph <TAssetPartDesign, TAssetPart> .CloneSubHierarchies(sourceContainer, targetContainer, asset, parts.Select(p => p.Id), flags, out _);
// Collect external references after cloning, we need to fix them up!
var rootNode = GameSideNodeContainer.GetOrCreateNode(clone);
var definition = AssetQuantumRegistry.GetDefinition(asset.GetType());
var unresolvedReferences = ExternalReferenceCollector.GetExternalReferenceAccessors(definition, rootNode);
// Retrieve all available game-side identifiable objects, so we can try to resolve external references with items from this collection.
var identifiableObjects = CollectIdentifiableObjects();
foreach (var reference in unresolvedReferences)
{
if (identifiableObjects.TryGetValue(reference.Key.Id, out var realObject))
{
// Target object found, let's update the reference with the real game-side object.
foreach (var accessor in reference.Value)
{
accessor.UpdateValue(realObject);
}
}
else
{
// Target object not found, let's clear the reference since the currently set object could be asset-side, or a temporary proxy, etc.
foreach (var accessor in reference.Value)
{
accessor.UpdateValue(null);
}
}
}
return(clone.RootParts);
}
