protected byte[] ReadFile(string assetPath)
{
if (assetPath == "/_metadata")
{
return(this.metadata);
}
// Get file
var folder = assetPath.Substring(0, assetPath.LastIndexOf("/") + 1);
if (!fileTree.ContainsKey(folder))
{
return(null);
}
var file = fileTree[folder].Where(f => f.Path == assetPath).FirstOrDefault();
if (file == null)
{
return(null);
}
// Read data
var data = PakReader.ReadItem(binaryReader, file);
return(data);
}
public PakProvider(string filePath, string targetRoot)
{
this.filePath = filePath;
this.targetRoot = targetRoot;
// Read pak file
fileStream = File.Open(filePath, FileMode.Open, FileAccess.Read, FileShare.Read);
binaryReader = new BinaryReader(fileStream);
var reader = new PakReader();
var metadata = reader.ReadIndex(binaryReader);
this.metadata = Encoding.UTF8.GetBytes(metadata.ToString(Newtonsoft.Json.Formatting.Indented));
var files = reader.FindItems(binaryReader);
fileTree = new Dictionary <string, List <PakItem> >();
// Map assets
foreach (var file in files)
{
var dir = file.Path.Substring(0, file.Path.LastIndexOf("/") + 1);
if (!fileTree.ContainsKey(dir))
{
fileTree[dir] = new List <PakItem>();
}
fileTree[dir].Add(file);
}
// Set up virtualization
var notificationMappings = new List <NotificationMapping> {
new NotificationMapping(NotificationType.FileOpened | NotificationType.PreDelete | NotificationType.PreRename, string.Empty)
};
virtualizationInstance = new VirtualizationInstance(targetRoot, 0, 0, false, notificationMappings);
// Disallow delete/rename.
virtualizationInstance.OnNotifyPreDelete = new NotifyPreDeleteCallback((a, b, c, d) => false);
virtualizationInstance.OnNotifyPreRename = new NotifyPreRenameCallback((a, b, c, d) => false);
enumerations = new ConcurrentDictionary <Guid, FileEnumeration>();
}
