private void OnDisable()
{
if (null != _mappedFile)
{
_mappedFile.Dispose();
_mappedFile = null;
_mappedFileDataStart = -1;
_mappedFileDataEnd = -1;
}
if (null != _tmpFile)
{
System.IO.File.Delete(_tmpFile);
_tmpFile = null;
}
if (null != text)
{
text.text = string.Empty;
}
}
private IEnumerator MemoryMapFile()
{
string path = System.IO.Path.Combine(Application.streamingAssetsPath, file);
Debug.LogFormat("MemoryMapTest: {0}", path);
if (path.Contains("://"))
{
// StreamingAssets on Android is packed in the compressed jar so we can't mmap it directly...
// Use UnityWebRequest to copy to a tmp file first.
UnityWebRequest req = UnityWebRequest.Get(path);
// We can't use System.IO.Path.GetTempFileName() on Android either...
path = System.IO.Path.Combine(Application.temporaryCachePath, System.IO.Path.GetRandomFileName());
Debug.LogFormat("MemoryMapTest: {0}", path);
// Kick off the async operation saving the file directly to disk.
req.downloadHandler = new DownloadHandlerFile(path);
yield return(req.SendWebRequest());
if (req.result == UnityWebRequest.Result.ConnectionError ||
req.result == UnityWebRequest.Result.ProtocolError ||
req.result == UnityWebRequest.Result.DataProcessingError)
{
throw new System.IO.IOException(req.error);
}
}
_mappedFile = Memory.MappedFile.CreateFromFile(path);
if (null != _mappedFile && System.IntPtr.Zero != _mappedFile.data)
{
_mappedFileDataStart = _mappedFile.data.ToInt64();
_mappedFileDataEnd = _mappedFileDataStart + _mappedFile.size;
_mappedFileDataOffset = 0;
Redraw();
}
yield return(null);
}
