private object DeserializeObject(Queue <DeserializeOperation> serializeOperations, AssetReference parentAssetReference, string url, Type objType, object obj, AssetManagerLoaderSettings settings) { // Try to find already loaded object AssetReference assetReference = FindDeserializedObject(url, objType); if (assetReference != null && assetReference.Deserialized) { // Add reference bool isRoot = parentAssetReference == null; if (isRoot || parentAssetReference.References.Add(assetReference)) { IncrementReference(assetReference, isRoot); } return(assetReference.Object); } if (!FileProvider.FileExists(url)) { HandleAssetNotFound(url); return(null); } ContentSerializerContext contentSerializerContext; object result; // Open asset binary stream using (var stream = FileProvider.OpenStream(url, VirtualFileMode.Open, VirtualFileAccess.Read)) { // File does not exist // TODO/Benlitz: Add a log entry for that, it's not expected to happen if (stream == null) { return(null); } Type headerObjType = null; // Read header var streamReader = new BinarySerializationReader(stream); var chunkHeader = ChunkHeader.Read(streamReader); if (chunkHeader != null) { headerObjType = Type.GetType(chunkHeader.Type); } // Find serializer var serializer = Serializer.GetSerializer(headerObjType, objType); if (serializer == null) { throw new InvalidOperationException(string.Format("Content serializer for {0}/{1} could not be found.", headerObjType, objType)); } contentSerializerContext = new ContentSerializerContext(url, ArchiveMode.Deserialize, this) { LoadContentReferences = settings.LoadContentReferences }; // Read chunk references if (chunkHeader != null && chunkHeader.OffsetToReferences != -1) { // Seek to where references are stored and deserialize them streamReader.NativeStream.Seek(chunkHeader.OffsetToReferences, SeekOrigin.Begin); contentSerializerContext.SerializeReferences(streamReader); streamReader.NativeStream.Seek(chunkHeader.OffsetToObject, SeekOrigin.Begin); } if (assetReference == null) { // Create AssetReference assetReference = new AssetReference(url, parentAssetReference == null); contentSerializerContext.AssetReference = assetReference; result = obj ?? serializer.Construct(contentSerializerContext); SetAssetObject(assetReference, result); } else { result = assetReference.Object; contentSerializerContext.AssetReference = assetReference; } assetReference.Deserialized = true; PrepareSerializerContext(contentSerializerContext, streamReader.Context); contentSerializerContext.SerializeContent(streamReader, serializer, result); // Add reference if (parentAssetReference != null) { parentAssetReference.References.Add(assetReference); } } if (settings.LoadContentReferences) { // Process content references // TODO: Should we work at ChunkReference level? foreach (var contentReference in contentSerializerContext.ContentReferences) { bool shouldBeLoaded = true; //AssetReference childReference; if (settings.ContentFilter != null) { settings.ContentFilter(contentReference, ref shouldBeLoaded); } if (shouldBeLoaded) { serializeOperations.Enqueue(new DeserializeOperation(assetReference, contentReference.Location, contentReference.Type, contentReference.ObjectValue)); } } } return(result); }
internal object DeserializeObject(AssetReference parentAssetReference, out AssetReference assetReference, string url, Type objType, AssetManagerLoaderSettings settings, ConverterContext converterContext = null) { // Resolve URL ObjectId objectId; if (!FileProvider.AssetIndexMap.TryGetValue(url, out objectId)) { throw new InvalidOperationException(string.Format("Asset [{0}] not found.", url)); } // Try to find already loaded object if (loadedAssetsByUrl.TryGetValue(objectId, out assetReference)) { while (assetReference != null && !objType.GetTypeInfo().IsAssignableFrom(assetReference.Object.GetType().GetTypeInfo())) { assetReference = assetReference.Next; } if (assetReference != null) { // Add reference bool isRoot = parentAssetReference == null; if (isRoot || parentAssetReference.References.Add(assetReference)) { IncrementReference(assetReference, isRoot); } return(assetReference.Object); } } if (!FileProvider.FileExists(url)) { throw new InvalidOperationException(string.Format("Asset [{0}] not found.", url)); } ContentSerializerContext contentSerializerContext; object result; // Open asset binary stream using (var stream = FileProvider.OpenStream(url, VirtualFileMode.Open, VirtualFileAccess.Read)) { // File does not exist // TODO/Benlitz: Add a log entry for that, it's not expected to happen if (stream == null) { return(null); } Type headerObjType = null; // Read header var streamReader = new BinarySerializationReader(stream); var chunkHeader = ChunkHeader.Read(streamReader); if (chunkHeader != null) { headerObjType = Type.GetType(chunkHeader.Type); } // Find serializer var serializer = Serializer.GetSerializer(headerObjType, objType); if (serializer == null) { throw new InvalidOperationException(string.Format("Content serializer for {0}/{1} could not be found.", headerObjType, objType)); } contentSerializerContext = new ContentSerializerContext(url, ArchiveMode.Deserialize, this); // Read chunk references if (chunkHeader != null && chunkHeader.OffsetToReferences != -1) { // Seek to where references are stored and deserialize them streamReader.NativeStream.Seek(chunkHeader.OffsetToReferences, SeekOrigin.Begin); contentSerializerContext.SerializeReferences(streamReader); streamReader.NativeStream.Seek(chunkHeader.OffsetToObject, SeekOrigin.Begin); } // Create AssetReference assetReference = new AssetReference(objectId, url, parentAssetReference == null); contentSerializerContext.AssetReference = assetReference; result = serializer.Construct(contentSerializerContext); PrepareSerializerContext(contentSerializerContext, streamReader.Context); contentSerializerContext.ConverterContext = converterContext; result = contentSerializerContext.SerializeContent(streamReader, serializer, result); SetAssetObject(assetReference, result); // Add reference if (parentAssetReference != null) { parentAssetReference.References.Add(assetReference); } } if (settings.LoadContentReferences) { // Process content references // TODO: Should we work at ChunkReference level? foreach (var contentReference in contentSerializerContext.ContentReferences) { bool shouldBeLoaded = true; AssetReference childReference; if (settings.ContentFilter != null) { settings.ContentFilter(contentReference, ref shouldBeLoaded); } if (shouldBeLoaded) { contentReference.ObjectValue = DeserializeObject(assetReference, out childReference, contentReference.Location, contentReference.Type, settings); } } } return(result); }