/// <summary>
/// Export data asynchronously to a byte array.
/// </summary>
/// <param name="scene">The scene representation to export.</param>
/// <param name="filename">The name of the file corresponding to the exported data. The extension is used to determine which codec use.</param>
/// <param name="return_callback">The calback used to notify the caller when the export is completed.</param>
/// <param name="progress_callback">The callback to regularly notify the caller of the export progress.</param>
/// <returns>An iterator to use inside a coroutine.</returns>
public IEnumerator ExportToBytes(Scene scene, string filename, ExporterReturnCallback return_callback, ProgressCallback progress_callback)
{
// Assimp currently does not support export to byte array directly
bool success = false;
// Create a temporary file to export the data
string tmp_file = Path.GetTempPath() + Path.GetFileName(filename);
// Export to the temporary file
IEnumerator it = ExportToFile(scene, tmp_file, result => success = result, progress_callback);
while (it.MoveNext())
{
yield return(it.Current);
}
FileInfo file_info = new FileInfo(tmp_file);
if (file_info.Exists)
{
// Read the exported data and send it back to the caller
if (success && return_callback != null)
{
return_callback(File.ReadAllBytes(file_info.FullName));
}
// Remove the temporary file if it exists
file_info.Delete();
}
}
/// <summary>
/// Export data asynchronously to a byte array.
/// </summary>
/// <param name="scene">The scene representation to export.</param>
/// <param name="filename">The name of the file corresponding to the exported data. The extension is used to determine which codec use.</param>
/// <param name="return_callback">The calback used to notify the caller when the export is completed.</param>
/// <param name="progress_callback">The callback to regularly notify the caller of the export progress.</param>
/// <returns>An iterator to use inside a coroutine.</returns>
public IEnumerator ExportToBytes(Scene scene, string filename, ExporterReturnCallback return_callback, ProgressCallback progress_callback)
{
return(Import.Binary.serializer.Serialize(scene, (data, written) => {
byte[] result = new byte[written];
Array.Copy(data, result, (int)written);
return_callback(result);
}, p => progress_callback(p)));
}
