/** The coroutine for loading the asset bundle from the application data directory. */
IEnumerator LoadAssetBundle()
{
string path = Path.Combine(Application.persistentDataPath, m_filenameAssetBundle);
if (!File.Exists(path))
{
m_assetBundleLoadStat = AssetBundleLoadStat.Success;
yield break;
}
string url = "file://" + path;
Debug.Log("[INFO] Issuing a file request : " + url);
WWW www = new WWW(url);
// Wait for completion of the request.
while (true)
{
if (string.IsNullOrEmpty(www.error))
{
if (www.isDone)
{
break;
}
}
else
{
m_assetBundleLoadStat = AssetBundleLoadStat.Fail;
PutErrorMessage("Failed to load the asset bundle : " + www.error);
yield break;
}
yield return(null);
}
// NOTE:
// On iOS, WWW doesn't seem to give us any error message when some error occurs.
if (www.assetBundle == null)
{
PutErrorMessage("Failed to load the asset bundle (no error messages)");
m_assetBundleLoadStat = AssetBundleLoadStat.Fail;
yield break;
}
// Extract all the image data from the asset bundle.
UnityEngine.Object[] images = www.assetBundle.LoadAllAssets(typeof(Texture2D));
int i;
for (i = 0; i < images.Length; i++)
{
Texture2D tex = images[i] as Texture2D;
Debug.Log("Loaded from the asset bundle : " + tex.name);
m_images[tex.name] = tex;
}
// Unload all the unnecessary (unused) objects.
www.assetBundle.Unload(false);
m_assetBundleLoadStat = AssetBundleLoadStat.Success;
}
void Update()
{
if (m_initProcStat != InitProcStat.InProgress)
{
return;
}
if (m_assetBundleLoadStat == AssetBundleLoadStat.None)
{
// Start loading the asset bundle.
m_assetBundleLoadStat = AssetBundleLoadStat.InProgress;
StartCoroutine(LoadAssetBundle());
}
else if (m_assetBundleLoadStat == AssetBundleLoadStat.Success)
{
// We've succeeded in loading the asset bundle.
// Load the XML configuration file from the cache directory, and create the TPTabletUIConfig instance.
string path = Path.Combine(Application.persistentDataPath, m_filenameXML);
byte[] bytes;
try {
bytes = File.ReadAllBytes(path);
}catch (Exception e) {
PutErrorMessage("TPTabletUIManager::Update");
PutErrorMessage(e.Message);
m_initProcStat = InitProcStat.Fail;
return;
}
m_config = new TPTabletUIConfig();
if (!m_config.Parse(bytes)) // All the GUI data files are loaded during parsing.
{
m_config = null;
m_initProcStat = InitProcStat.Fail;
return;
}
m_initProcStat = InitProcStat.Success; // The initialization procedure has successfully ended.
}
else if (m_assetBundleLoadStat == AssetBundleLoadStat.Fail)
{
// We've failed in loadind the asset bundle.
m_initProcStat = InitProcStat.Fail;
return;
}
}
