/// <summary>
/// Initializes a new instance of the <see cref="ObjectDatabase" /> class.
/// </summary>
/// <param name="vfsMainUrl">The VFS main URL.</param>
/// <param name="indexName">Name of the index file.</param>
/// <param name="vfsAdditionalUrl">The VFS additional URL. It will be used only if vfsMainUrl is read-only.</param>
public ObjectDatabase(string vfsMainUrl, string indexName = "index", string vfsAdditionalUrl = null, bool loadDefaultBundle = true)
{
if (vfsMainUrl == null)
{
throw new ArgumentNullException("vfsMainUrl");
}
// Create the merged asset index map
AssetIndexMap = new ObjectDatabaseAssetIndexMap();
// Try to open file backends
bool isReadOnly = Platform.Type != PlatformType.Windows;
var backend = new FileOdbBackend(vfsMainUrl, isReadOnly, indexName);
AssetIndexMap.Merge(backend.AssetIndexMap);
if (backend.IsReadOnly)
{
backendRead1 = backend;
if (vfsAdditionalUrl != null)
{
backendWrite = backendRead2 = new FileOdbBackend(vfsAdditionalUrl, false);
AssetIndexMap.Merge(backendWrite.AssetIndexMap);
}
}
else
{
backendWrite = backendRead1 = backend;
}
AssetIndexMap.WriteableAssetIndexMap = backendWrite.AssetIndexMap;
bundleBackend = new BundleOdbBackend(vfsMainUrl);
// Try to open "default" pack file synchronously
if (loadDefaultBundle)
{
try
{
bundleBackend.LoadBundle("default", AssetIndexMap).GetAwaiter().GetResult();
}
catch (FileNotFoundException)
{
}
}
}
/// <summary>
/// Loads the specified bundle.
/// </summary>
/// <param name="bundleName">Name of the bundle.</param>
/// <returns></returns>
public Task LoadBundle(string bundleName)
{
return(bundleBackend.LoadBundle(bundleName, AssetIndexMap));
}