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Question by PhiseG1 · Aug 25, 2015 at 12:32 PM · assetbundle

Get size of an online assetbundle and progress in Kb ?

Hi everyone,

I've a script for downloading assetbundle that works fine but I'd like to show the progress in term of size (Kb).

I use this code:

 WWW download = WWW.LoadFromCacheOrDownload(assetURL, m_Version)
  myProgressBar.Progress = download.Progress;
 
 And I show this:  (myProgressBar.Progress * 100) + "%";

That's fine but if I want to show the size (and not the %) from the "download" object by using download.Size. But I've got this error when I use it:

 WWWCached data can only be accessed using the assetBundle property!
 UnityEngine.WWW:get_size()

So I've tried another way that cause the same error :(

     WWW download = WWW.LoadFromCacheOrDownload(assetURL, m_Version)
      while (!download.isDone)
     {
         progressBar.Progress = (int)(download.bytesDownloaded / 1000);
         progressBar.AssetSize = (int)((1 / download.progress) * progressBar.Progress);
     }

I didn't understand how you can't have the size and the downloaded size if you have the progress property... Progress is normaly the Size divided by the bytesDownloaded , no ?!

Has someone found a solution ?

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Answer by PhiseG1 · Aug 26, 2015 at 08:26 AM

I finally found an answer:

                     //Get size of the asset
                     WebRequest req = HttpWebRequest.Create(assetURL);
                     req.Method = "HEAD";
                     float ContentLength;
                     using (System.Net.WebResponse resp = req.GetResponse())
                     {
                         float.TryParse(resp.ContentLength.ToString(), out ContentLength);
                     }
 
                     while (!download.isDone)
                     {
                         if (progressBar != null)
                         {
                             progressBar.LabelInformations = "Downloading Assets";
                             progressBar.Progress = download.progress;
                             progressBar.AssetSize = ContentLength / 1000000; //(Mb)
                         }
                         yield return null;
                     }

Case closed.

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