/// <summary>
/// Refreshes this package from the disk by loading or reloading all assets.
/// </summary>
/// <param name="log">The log.</param>
/// <param name="cancelToken">The cancel token.</param>
/// <returns>A logger that contains error messages while refreshing.</returns>
/// <exception cref="System.InvalidOperationException">Package RootDirectory is null
/// or
/// Package RootDirectory [{0}] does not exist.ToFormat(RootDirectory)</exception>
public void LoadTemporaryAssets(ILogger log, CancellationToken?cancelToken = null)
{
if (log == null)
{
throw new ArgumentNullException("log");
}
// If FullPath is null, then we can't load assets from disk, just return
if (FullPath == null)
{
log.Warning("Fullpath not set on this package");
return;
}
// Clears the assets already loaded and reload them
TemporaryAssets.Clear();
// List all package files on disk
var listFiles = ListAssetFiles(log, this, cancelToken);
var progressMessage = String.Format("Loading Assets from Package [{0}]", FullPath.GetFileNameWithExtension());
// Display this message at least once if the logger does not log progress (And it shouldn't in this case)
var loggerResult = log as LoggerResult;
if (loggerResult == null || !loggerResult.IsLoggingProgressAsInfo)
{
log.Info(progressMessage);
}
// Update step counter for log progress
for (int i = 0; i < listFiles.Count; i++)
{
var fileUPath = listFiles[i].Item1;
var sourceFolder = listFiles[i].Item2;
if (cancelToken.HasValue && cancelToken.Value.IsCancellationRequested)
{
log.Warning("Skipping loading assets. PackageSession.Load cancelled");
break;
}
// Update the loading progress
if (loggerResult != null)
{
loggerResult.Progress(progressMessage, i, listFiles.Count);
}
// Try to load only if asset is not already in the package or assetRef.Asset is null
var assetPath = fileUPath.MakeRelative(sourceFolder).GetDirectoryAndFileName();
try
{
// An exception can occur here, so we make sure that loading a single asset is not going to break
// the loop
var assetFullPath = fileUPath.FullPath;
var asset = LoadAsset(log, assetFullPath, assetPath, fileUPath);
// Create asset item
var assetItem = new AssetItem(assetPath, asset)
{
IsDirty = false,
Package = this,
SourceFolder = sourceFolder.MakeRelative(RootDirectory)
};
// Set the modified time to the time loaded from disk
assetItem.ModifiedTime = File.GetLastWriteTime(assetFullPath);
FixAssetImport(assetItem);
// Add to temporary assets
TemporaryAssets.Add(assetItem);
}
catch (Exception ex)
{
int row = 1;
int column = 1;
var yamlException = ex as YamlException;
if (yamlException != null)
{
row = yamlException.Start.Line + 1;
column = yamlException.Start.Column;
}
var module = log.Module;
var assetReference = new AssetReference <Asset>(Guid.Empty, fileUPath.FullPath);
// TODO: Change this instead of patching LoggerResult.Module, use a proper log message
if (loggerResult != null)
{
loggerResult.Module = "{0}({1},{2})".ToFormat(Path.GetFullPath(fileUPath.FullPath), row, column);
}
log.Error(this, assetReference, AssetMessageCode.AssetLoadingFailed, ex, fileUPath, ex.Message);
if (loggerResult != null)
{
loggerResult.Module = module;
}
}
}
}
private void LoadAsset(ILogger log, PackageLoadingAssetFile assetFile, LoggerResult loggerResult)
{
var fileUPath = assetFile.FilePath;
var sourceFolder = assetFile.SourceFolder;
// Check if asset has been deleted by an upgrader
if (assetFile.Deleted)
{
IsDirty = true;
filesToDelete.Add(assetFile.FilePath);
}
// An exception can occur here, so we make sure that loading a single asset is not going to break
// the loop
try
{
AssetMigration.MigrateAssetIfNeeded(log, assetFile);
// Try to load only if asset is not already in the package or assetRef.Asset is null
var assetPath = fileUPath.MakeRelative(sourceFolder).GetDirectoryAndFileName();
var assetFullPath = fileUPath.FullPath;
var assetContent = assetFile.AssetContent;
var asset = LoadAsset(log, assetFullPath, assetPath, fileUPath, assetContent);
// Create asset item
var assetItem = new AssetItem(assetPath, asset, this)
{
IsDirty = assetContent != null,
SourceFolder = sourceFolder.MakeRelative(RootDirectory)
};
// Set the modified time to the time loaded from disk
if (!assetItem.IsDirty)
{
assetItem.ModifiedTime = File.GetLastWriteTime(assetFullPath);
}
// TODO: Let's review that when we rework import process
// Not fixing asset import anymore, as it was only meant for upgrade
// However, it started to make asset dirty, for ex. when we create a new texture, choose a file and reload the scene later
// since there was no importer id and base.
//FixAssetImport(assetItem);
// Add to temporary assets
lock (TemporaryAssets)
{
TemporaryAssets.Add(assetItem);
}
}
catch (Exception ex)
{
int row = 1;
int column = 1;
var yamlException = ex as YamlException;
if (yamlException != null)
{
row = yamlException.Start.Line + 1;
column = yamlException.Start.Column;
}
var module = log.Module;
var assetReference = new AssetReference <Asset>(Guid.Empty, fileUPath.FullPath);
// TODO: Change this instead of patching LoggerResult.Module, use a proper log message
if (loggerResult != null)
{
loggerResult.Module = "{0}({1},{2})".ToFormat(Path.GetFullPath(fileUPath.FullPath), row, column);
}
log.Error(this, assetReference, AssetMessageCode.AssetLoadingFailed, ex, fileUPath, ex.Message);
if (loggerResult != null)
{
loggerResult.Module = module;
}
}
}