static public bool CheckDiskSpaceWithError(string path, string error = null)
{
if (error == null)
{
error = "Out of disk space!";
}
if (!FileUtils.HasFreeSpace(path))
{
OutputWindowScript.ReportFileSaved(error, null,
OutputWindowScript.InfoCardSpawnPos.Brush);
return(false);
}
return(true);
}
/// The directory must already have been created
public bool WriteToDisk()
{
// First, iterate over everything that needs to be written to disk and verify it's valid.
// If any invalid elements are found, it's likely due to a download failure and we will abort
// the entire process.
if (m_RootElement.assetBytes == null)
{
return(false);
}
ulong requiredDiskSpace = (ulong)m_RootElement.assetBytes.Length;
for (int j = 0; j < m_ResourceElements.Count; ++j)
{
if (m_ResourceElements[j].assetBytes == null)
{
// Download failed on one of the elements.
return(false);
}
else
{
requiredDiskSpace += (ulong)m_ResourceElements[j].assetBytes.Length;
}
}
// Next, check to see if we have enough disk space to write all the files.
string assetDir = App.PolyAssetCatalog.GetCacheDirectoryForAsset(m_AssetId);
if (!FileUtils.HasFreeSpace(assetDir, requiredDiskSpace / (1024 * 1024)))
{
OutputWindowScript.Error(String.Format("Out of disk space! {0} {1}",
requiredDiskSpace, m_AssetId));
return(false);
}
//
// Next, begin writing to disk, remembering each file written to make the operation atomic.
//
var written = new List <string>();
if (!Directory.Exists(assetDir))
{
UnityEngine.Debug.LogErrorFormat("Caller did not create directory for me: {0}", assetDir);
}
string rootFilePath = Path.Combine(assetDir, GetPolySanitizedFilePath(m_RootElement.filePath));
if (!FileUtils.InitializeDirectory(Path.GetDirectoryName(rootFilePath)) ||
!FileUtils.WriteBytesIgnoreExceptions(m_RootElement.assetBytes, rootFilePath))
{
return(false);
}
written.Add(rootFilePath);
// Write all resources to disk
for (int j = 0; j < m_ResourceElements.Count; ++j)
{
string filePath = Path.Combine(assetDir, GetPolySanitizedFilePath(m_ResourceElements[j].filePath));
if (!FileUtils.InitializeDirectory(Path.GetDirectoryName(filePath)) ||
!FileUtils.WriteBytesIgnoreExceptions(m_ResourceElements[j].assetBytes, filePath))
{
RemoveFiles(written);
return(false);
}
written.Add(filePath);
}
return(true);
}
