public override object ReadYaml(ref ObjectContext objectContext) { if (recursionLevel++ == 0) { SetupMaxExpectedDepth(objectContext); } ++levelSinceScriptComponent; if (objectContext.Descriptor.Type == typeof(ScriptComponent)) { levelSinceScriptComponent = 0; } try { var result = base.ReadYaml(ref objectContext); if (objectContext.Descriptor.Type == typeof(EntityHierarchyData)) { // Let's fixup entity references after serialization EntityAnalysis.FixupEntityReferences((EntityHierarchyData)objectContext.Instance); } return(result); } finally { recursionLevel--; levelSinceScriptComponent--; } }
public static EntityAsset ExtractSceneClone(EntityAsset source, Guid sourceRootEntity) { if (source == null) { throw new ArgumentNullException("source"); } // Note: Instead of copying the whole asset (with its potentially big hierarchy), we first copy the asset only (without the hierarchy), then the sub-hierarchy to extract. // create the hierarchy of the sub-tree var subTreeRoot = source.Hierarchy.Entities[sourceRootEntity]; var subTreeHierarchy = new EntityHierarchyData { Entities = { subTreeRoot }, RootEntities = { sourceRootEntity } }; foreach (var subTreeEntity in subTreeRoot.EnumerateChildren(true)) { subTreeHierarchy.Entities.Add(subTreeEntity); } // clone the entities of the sub-tree var clonedHierarchy = (EntityHierarchyData)AssetCloner.Clone(subTreeHierarchy); clonedHierarchy.Entities[sourceRootEntity].Transform.Parent = null; // set to null reference outside of the sub-tree EntityAnalysis.FixupEntityReferences(clonedHierarchy); // temporary nullify the hierarchy to avoid to clone it var sourceHierarchy = source.Hierarchy; source.Hierarchy = null; // clone asset without hierarchy var clonedAsset = (EntityAsset)AssetCloner.Clone(source); clonedAsset.Hierarchy = clonedHierarchy; // revert the source hierarchy source.Hierarchy = sourceHierarchy; return(clonedAsset); }
public void ApplyChanges() { // "Garbage collect" entities that are not referenced in hierarchy tree anymore var entityHashes = new HashSet <Guid>(); CollectEntities(entityHashes, source.RootEntity); source.Entities.Clear(); foreach (var item in this) { if (entityHashes.Contains(item.Key)) { source.Entities.Add(item.Value); } } // Fixup references EntityAnalysis.FixupEntityReferences(source); }
public override object ReadYaml(ref ObjectContext objectContext) { EnterNode(ref objectContext); try { var result = base.ReadYaml(ref objectContext); if (objectContext.Descriptor.Type == typeof(EntityHierarchyData)) { // Let's fixup entity references after serialization EntityAnalysis.FixupEntityReferences((EntityHierarchyData)objectContext.Instance); } return(result); } finally { LeaveNode(ref objectContext); } }