public async Task <Model> DownloadResourceAsync(DAL.Model model)
{
using (var webClient = new WebClient())
{
if (model == null)
{
return(null);
}
try
{
var resultData = await webClient.DownloadDataTaskAsync(BuildDownloadUri(model));
using (var archiveStream = ArchiveFile.OpenArchiveStream(resultData))
{
var loader = new Loader();
var modelResult = loader.LoadFromStream(archiveStream);
return(modelResult);
}
}
catch (WebException)
{
return(null);
}
catch (InvalidEnumArgumentException)
{
return(null);
}
}
}
private Stream OpenTextureStream(Texture texture, byte[] resultData)
{
var extension = Path.GetExtension(texture.FileName);
if (extension != null)
{
var fileExtension = extension.ToUpperInvariant();
switch (fileExtension)
{
case ".JPG":
case ".PNG":
case ".BMP":
return(new MemoryStream(resultData));
case ".ZIP":
return(ArchiveFile.OpenArchiveStream(resultData));
default:
throw new InvalidDataException("The provided file format is not recognized.");
}
}
return(null);
}
private Stream OpenTextureStream(byte[] resultData)
{
return(ArchiveFile.OpenArchiveStream(resultData));
}