public static UnityObject FromObjectHandle(SerializedObjectView objectView)
{
var container = new Container();
objectView.TryGetValueAsString("Guid", out var guid);
objectView.TryGetValueAsInt64("FileId", out var fileId);
objectView.TryGetValueAsInt64("Type", out var type);
if (guid == s_EmptyGuid || guid == string.Empty)
{
return(null);
}
using (var writer = new JsonWriter(256, Allocator.Temp))
{
using (writer.WriteObjectScope())
{
using (writer.WriteObjectScope("o"))
{
writer.WriteKeyValue("fileID", fileId);
writer.WriteKeyValue("guid", guid);
writer.WriteKeyValue("type", type);
}
}
var json = writer.ToString();
UnityEditor.EditorJsonUtility.FromJsonOverwrite(json, container);
return(container.o);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="JsonMigrationContext"/> structure. This is an internal method.
/// </summary>
/// <param name="serializedVersion">The serialized version read from the stream.</param>
/// <param name="serializedObject">The view over the serialized data.</param>
/// <param name="serializedType">The serialized type from the stream.</param>
/// <param name="visitor">The current deserialization visitor, used for re-entry into normal deserialization.</param>
internal JsonMigrationContext(int serializedVersion, SerializedObjectView serializedObject, Type serializedType, JsonPropertyReader visitor)
{
SerializedVersion = serializedVersion;
SerializedObject = serializedObject;
SerializedType = serializedType;
m_Visitor = visitor;
}
public static UnityObject FromObjectHandle(SerializedObjectView objectView)
{
var container = new Container();
objectView.TryGetValueAsString("Guid", out var guid);
objectView.TryGetValueAsInt64("FileId", out var fileId);
objectView.TryGetValueAsInt64("Type", out var type);
if (guid == s_EmptyGuid || guid == string.Empty)
{
return(null);
}
using (var writer = new JsonStringBuffer(256, Allocator.Temp))
{
writer.Write("{\"o\":{");
writer.Write("\"fileID\":");
writer.Write(fileId);
writer.Write(",\"guid\":\"");
writer.Write(guid);
writer.Write("\",\"type\": ");
writer.Write(type);
writer.Write("}}");
var json = writer.ToString();
UnityEditor.EditorJsonUtility.FromJsonOverwrite(json, container);
return(container.o);
}
}
/**
* Deserialize an object view into the object buffer.
*/
JsonKeyHandle DeserializeToObjectBuffer(SerializedObjectView objectView)
{
var newObjMap = new UnsafeHashMap <FixedString128, JsonKeyHandle>(50, m_Allocator);
ReadObjectViewIntoMap(objectView, ref newObjMap);
m_ObjectBuffer.Add(newObjMap);
return(new JsonKeyHandle(ref this, JsonValueType.Object, m_ObjectBuffer.Length - 1));
}
/// <summary>
/// Reads the specified <see cref="SerializedValueView"/> as the specified <typeparamref name="TValue"/> type.
/// </summary>
/// <param name="view">The view to read.</param>
/// <param name="value">When this method returns, contains the deserialized value, if successful. otherwise the default value for the <typeparamref name="TValue"/>.</param>
/// <typeparam name="TValue">The value type.</typeparam>
/// <returns><see langword="true"/> if the value was read successfully; otherwise, <see langword="false"/></returns>
public bool TryRead <TValue>(SerializedObjectView view, out TValue value)
{
try
{
value = Read <TValue>(view);
return(true);
}
catch
{
value = default;
return(false);
}
}
private static SerializedObjectReader ReadSceneFile(string path, out SerializedObjectView headerInformations)
{
var config = new SerializedObjectReaderConfiguration
{
UseReadAsync = false,
BlockBufferSize = 256 << 10, // 256 KB
TokenBufferSize = 1024,
NodeBufferSize = JsonFrontEnd.EntityBatchSize,
ValidationType = JsonValidationType.Standard,
OutputBufferSize = 1024 << 10 // 1 MB
};
var stream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read, config.BlockBufferSize);
var reader = new SerializedObjectReader(stream, config, leaveInputOpen: false);
try
{
if (reader.Step(out var root) != NodeType.BeginObject)
{
throw new Exception();
}
// ASSUMPTION: All members are written BEFORE the blob of entities.
// Read until we hit "Entities":
NodeType node;
while ((node = reader.Step(out var view)) != NodeType.None)
{
if ((node & NodeType.ObjectKey) == 0)
{
continue;
}
if (view.AsStringView().Equals("Entities"))
{
break;
}
}
// Unpack header information from whats been read so far.
headerInformations = root.AsObjectView();
return(reader);
}
catch
{
reader.Dispose();
throw;
}
}
/**
* Deserialize each field in an object
*/
void ReadObjectViewIntoMap(SerializedObjectView objView, ref UnsafeHashMap <FixedString128, JsonKeyHandle> objMap)
{
var serializedViewEnum = objView.GetEnumerator();
while (serializedViewEnum.MoveNext())
{
var view = serializedViewEnum.Current;
var typeInfo = DeserializeValueView(view.Value());
FixedString64 fs = default;
fs.Append(view.Name().ToString());
objMap.TryAdd(fs, typeInfo);
}
serializedViewEnum.Dispose();
}
