private static void UpdateReferences(SessionViewModel session)
{
if (session == null)
{
throw new ArgumentNullException(nameof(session));
}
var dirtyReferencers = new HashSet <AssetViewModel>();
var dirtyAssets = new HashSet <AssetViewModel>();
var dirtyReferenced = new HashSet <AssetViewModel>();
var dirtyDirectReferenced = new HashSet <AssetViewModel>();
var referencerAssets = new HashSet <AssetViewModel>();
var referencedAssets = new HashSet <AssetViewModel>();
TaskCompletionSource <int> tcs;
lock (DirtyDependencies)
{
foreach (var asset in DirtyDependencies)
{
// Add dirty dependencies from the previous reference values
dirtyReferencers.AddRange(asset.Dependencies.RecursiveReferencerAssets);
dirtyReferenced.AddRange(asset.Dependencies.RecursiveReferencedAssets);
dirtyDirectReferenced.AddRange(asset.Dependencies.ReferencedAssets);
referencerAssets.Clear();
referencedAssets.Clear();
if (!asset.IsDeleted)
{
var dependencyManager = session.DependencyManager;
var dependencies = dependencyManager.ComputeDependencies(asset.AssetItem.Id, AssetDependencySearchOptions.In | AssetDependencySearchOptions.Out, ContentLinkType.Reference); // TODO: Change ContentLinkType.Reference to handle other types
if (dependencies != null)
{
dependencies.LinksIn.Select(x => session.GetAssetById(x.Item.Id)).NotNull().ForEach(x => referencerAssets.Add(x));
dependencies.LinksOut.Select(x => session.GetAssetById(x.Item.Id)).NotNull().ForEach(x => referencedAssets.Add(x));
}
dirtyAssets.Add(asset);
// Add dirty dependencies from the updated reference values
dirtyReferencers.AddRange(referencerAssets);
dirtyReferenced.AddRange(referencedAssets);
dirtyDirectReferenced.AddRange(referencedAssets);
}
// Note: the collections can be empty. This is especially needed when reimporting - we want to be sure that references are cleared.
asset.Dependencies.ReferencerAssets = referencerAssets.ToList();
asset.Dependencies.ReferencedAssets = referencedAssets.ToList();
}
DirtyDependencies.Clear();
// Clear the task now that we processed all the dirty dependencies
tcs = dependenciesUpdated;
dependenciesUpdated = null;
}
dirtyDirectReferenced.ExceptWith(dirtyAssets);
// Add the dirty assets to the list of asset that needs to update recursive referenced assets.
dirtyReferencers.AddRange(dirtyAssets);
// Imported/undeleted assets must update their recursive referencers
dirtyReferenced.AddRange(dirtyAssets);
// Update the referencers of the (previous/updated) directly referenced assets
foreach (var asset in dirtyDirectReferenced)
{
var dependencyManager = session.DependencyManager;
var dependencies = dependencyManager.ComputeDependencies(asset.AssetItem.Id, AssetDependencySearchOptions.In, ContentLinkType.Reference); // TODO: Change ContentLinkType.Reference to handle other types
referencerAssets.Clear();
dependencies?.LinksIn.Select(x => session.GetAssetById(x.Item.Id)).NotNull().ForEach(x => referencerAssets.Add(x));
asset.Dependencies.ReferencerAssets = referencerAssets.ToList();
}
// Update recursive lists of referenced/referenced assets for assets affected by the changes
foreach (var asset in dirtyReferenced)
{
asset.Dependencies.OnPropertyChanging(nameof(IsIndirectlyIncluded), nameof(IsExcluded));
asset.Dependencies.UpdateRecursiveReferencerAssets();
asset.Dependencies.OnPropertyChanged(nameof(IsIndirectlyIncluded), nameof(IsExcluded));
}
foreach (var asset in dirtyReferencers)
{
asset.Dependencies.UpdateRecursiveReferencedAssets();
}
foreach (var asset in dirtyAssets)
{
asset.Dependencies.OnPropertyChanging(nameof(IsIndirectlyIncluded), nameof(IsExcluded));
asset.Dependencies.OnPropertyChanged(nameof(IsIndirectlyIncluded), nameof(IsExcluded));
}
// Job is completed, notify anything awaiting on it
tcs.SetResult(0);
}
private async void OpenDefaultScene(SessionViewModel session)
{
var startupPackage = session.LocalPackages.OfType <ProjectViewModel>().SingleOrDefault(x => x.IsCurrentProject);
if (startupPackage == null)
{
return;
}
var gameSettingsAsset = startupPackage.Assets.FirstOrDefault(x => x.Url == Assets.GameSettingsAsset.GameSettingsLocation);
if (gameSettingsAsset == null)
{
// Scan dependencies for game settings
// TODO: Scanning order? (direct dependencies first)
// TODO: Switch to using startupPackage.Dependencies view model instead
foreach (var dependency in startupPackage.PackageContainer.FlattenedDependencies)
{
if (dependency.Package == null)
{
continue;
}
var dependencyPackageViewModel = session.AllPackages.First(x => x.Package == dependency.Package);
if (dependencyPackageViewModel == null)
{
continue;
}
gameSettingsAsset = dependencyPackageViewModel.Assets.FirstOrDefault(x => x.Url == Assets.GameSettingsAsset.GameSettingsLocation);
if (gameSettingsAsset != null)
{
break;
}
}
}
if (gameSettingsAsset == null)
{
return;
}
var defaultScene = ((Assets.GameSettingsAsset)gameSettingsAsset?.Asset)?.DefaultScene;
if (defaultScene == null)
{
return;
}
var defaultSceneReference = AttachedReferenceManager.GetAttachedReference(defaultScene);
if (defaultSceneReference == null)
{
return;
}
var asset = session.GetAssetById(defaultSceneReference.Id);
if (asset == null)
{
return;
}
Editor.Session.ActiveAssetView.SelectAssets(asset.Yield());
await assetEditorsManager.OpenAssetEditorWindow(asset);
}
private async Task PullSourceFileChanges()
{
var sourceTracker = session.SourceTracker;
var bufferBlock = new BufferBlock <IReadOnlyList <SourceFileChangedData> >();
var changedAssets = new HashSet <AssetViewModel>();
var sourceFileChanges = new List <SourceFileChangedData>();
using (sourceTracker.SourceFileChanged.LinkTo(bufferBlock))
{
sourceTracker.EnableTracking = true;
while (!IsDestroyed)
{
// Await for source file changes
await bufferBlock.OutputAvailableAsync(cancel.Token);
if (cancel.IsCancellationRequested)
{
return;
}
// Try as much as possible to process all changes at once
IList <IReadOnlyList <SourceFileChangedData> > changes;
bufferBlock.TryReceiveAll(out changes);
sourceFileChanges.AddRange(changes.SelectMany(x => x));
if (sourceFileChanges.Count == 0)
{
continue;
}
for (var i = 0; i < sourceFileChanges.Count; i++)
{
var sourceFileChange = sourceFileChanges[i];
// Look first in the assets of the session, then in the list of deleted assets.
var asset = sessionViewModel.GetAssetById(sourceFileChange.AssetId)
?? sessionViewModel.AllPackages.SelectMany(x => x.DeletedAssets).FirstOrDefault(x => x.Id == sourceFileChange.AssetId);
if (asset == null)
{
continue;
}
// We care only about changes that needs to update
if (sourceFileChange.NeedUpdate)
{
switch (sourceFileChange.Type)
{
case SourceFileChangeType.Asset:
// The asset itself has changed and now references a new source
asset.Sources.UpdateUsedHashes(sourceFileChange.Files);
break;
case SourceFileChangeType.SourceFile:
// A source file referenced by the asset has changed
asset.Sources.ComputeNeedUpdateFromSource();
break;
default:
throw new ArgumentOutOfRangeException();
}
}
// The asset has been updated, remove the change data from the list
sourceFileChanges.RemoveAt(i--);
if (!asset.IsDeleted)
{
// We will notify only for undeleted assets
changedAssets.Add(asset);
}
}
// Notify all changed assets at once.
if (changedAssets.Count > 0)
{
sessionViewModel.NotifyAssetPropertiesChanged(changedAssets.ToList());
changedAssets.Clear();
}
}
}
}