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;
}
}
public void SetUp()
{
m_Stream = new MemoryStream();
m_ConfigWithNoValidation = SerializedObjectReaderConfiguration.Default;
m_ConfigWithNoValidation.ValidationType = JsonValidationType.None;
}
private static Project RestoreState(FileInfo file)
{
var world = new World(nameof(DomainReload));
var config = new SerializedObjectReaderConfiguration
{
UseReadAsync = false,
BlockBufferSize = 256 << 10, // 256 KB
TokenBufferSize = 1024,
NodeBufferSize = JsonFrontEnd.EntityBatchSize,
ValidationType = JsonValidationType.Standard,
OutputBufferSize = 1024 << 10 // 1 MB
};
Project project;
using (var stream = new FileStream(file.FullName, FileMode.Open, FileAccess.Read, FileShare.Read, config.BlockBufferSize, FileOptions.Asynchronous))
using (var reader = new SerializedObjectReader(stream, config))
{
if (reader.Step(out var root) != NodeType.BeginObject)
{
Debug.LogWarning("Temp file was not in the correct format. Domain was not reloaded.");
return(null);
}
// 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;
}
}
var sessionState = root.AsObjectView();
if (!sessionState.TryGetValue("SerializedVersion", out var versionView) ||
versionView.AsInt64() != k_TempVersion)
{
Debug.LogWarning($"Temp file version has changed. Domain was not reloaded");
return(null);
}
var projectAssetGuid = sessionState[nameof(SessionState.ProjectAssetGuid)].AsStringView().ToString();
var projectPath = AssetDatabase.GUIDToAssetPath(projectAssetGuid);
if (!File.Exists(projectPath))
{
return(null);
}
project = Project.Open(new FileInfo(projectPath));
try
{
JsonFrontEnd.Accept(world.EntityManager, reader);
project.Session.GetManager <WorldManager>().EntityManager.MoveEntitiesFrom(world.EntityManager);
}
finally
{
world.Dispose();
}
var worldManager = project.Session.GetManager <IWorldManager>();
worldManager.EntityManager.World.GetOrCreateSystem <EntityReferenceRemapSystem>().Update();
worldManager.EntityManager.World.GetOrCreateSystem <RemoveRemapInformationSystem>().Update();
}
return(project);
}
