public ImportRequest(string gltfLocalPath, string ptAssetLocalPath, EditTimeImportOptions options, PolyAsset polyAsset)
{
this.gltfLocalPath = gltfLocalPath;
this.ptAssetLocalPath = ptAssetLocalPath;
this.options = options;
this.polyAsset = polyAsset;
}
/// <summary>
/// Starts downloading and importing the given asset (in the background). When done, the asset will
/// be saved to the user's Assets folder.
/// </summary>
/// <param name="asset">The asset to download and import.</param>
/// <param name="ptAssetLocalPath">Path to the PtAsset that should be created (or replaced).</param>
/// <param name="options">Import options.</param>
public void StartDownloadAndImport(PolyAsset asset, string ptAssetLocalPath, EditTimeImportOptions options)
{
if (!assetsBeingDownloaded.Add(asset))
{
return;
}
PtDebug.LogFormat("ABM: starting to fetch asset {0} ({1}) -> {2}", asset.name, asset.displayName,
ptAssetLocalPath);
// Prefer glTF1 to glTF2.
// It used to be that no Poly assets had both formats, so the ordering did not matter.
// Blocks assets now have both glTF1 and glTF2. PT does not understand the glTF2 version,
// so the ordering matters a great deal.
PolyFormat glTF2format = asset.GetFormatIfExists(PolyFormatType.GLTF_2);
PolyFormat glTFformat = asset.GetFormatIfExists(PolyFormatType.GLTF);
PolyMainInternal.FetchProgressCallback progressCallback = (PolyAsset assetBeingFetched, float progress) => {
EditorUtility.DisplayProgressBar(DOWNLOAD_PROGRESS_TITLE, DOWNLOAD_PROGRESS_TEXT, progress);
};
if (glTFformat != null)
{
EditorUtility.DisplayProgressBar(DOWNLOAD_PROGRESS_TITLE, DOWNLOAD_PROGRESS_TEXT, 0.0f);
PolyMainInternal.Instance.FetchFormatFiles(asset, PolyFormatType.GLTF,
(PolyAsset resultAsset, PolyStatus status) => {
EditorUtility.ClearProgressBar();
OnFetchFinished(status, resultAsset, /*isGltf2*/ false, ptAssetLocalPath, options);
}, progressCallback);
}
else if (glTF2format != null)
{
EditorUtility.DisplayProgressBar(DOWNLOAD_PROGRESS_TITLE, DOWNLOAD_PROGRESS_TEXT, 0.0f);
PolyMainInternal.Instance.FetchFormatFiles(asset, PolyFormatType.GLTF_2,
(PolyAsset resultAsset, PolyStatus status) => {
EditorUtility.ClearProgressBar();
OnFetchFinished(status, resultAsset, /*isGltf2*/ true, ptAssetLocalPath, options);
}, progressCallback);
}
else
{
Debug.LogError("Asset not in GLTF_2 or GLTF format. Can't import.");
PtAnalytics.SendEvent(PtAnalytics.Action.IMPORT_FAILED, "Unsupported format");
}
}
private void OnFetchFinished(PolyStatus status, PolyAsset asset, bool isGltf2,
string ptAssetLocalPath, EditTimeImportOptions options)
{
if (!status.ok)
{
Debug.LogErrorFormat("Error fetching asset {0} ({1}): {2}", asset.name, asset.displayName, status);
EditorUtility.DisplayDialog("Download Error",
string.Format("*** Error downloading asset '{0}'. Try again later.", asset.displayName), "OK");
PtAnalytics.SendEvent(PtAnalytics.Action.IMPORT_FAILED, "Asset fetch failed");
return;
}
string baseName, downloadLocalPath;
if (!PrepareDownload(asset, out baseName, out downloadLocalPath))
{
return;
}
string absPath = PtUtils.ToAbsolutePath(downloadLocalPath);
string extension = isGltf2 ? ".gltf2" : ".gltf";
string fileName = baseName + extension;
// We have to place an import request so that PolyImporter does the right thing when it sees the new file.
PolyImporter.AddImportRequest(new PolyImporter.ImportRequest(
downloadLocalPath + "/" + fileName, ptAssetLocalPath, options, asset));
// Now unpackage it. GltfProcessor will pick it up automatically.
UnpackPackageToFolder(isGltf2 ? asset.GetFormatIfExists(PolyFormatType.GLTF_2) :
asset.GetFormatIfExists(PolyFormatType.GLTF), absPath, fileName);
PtDebug.LogFormat("ABM: Successfully downloaded {0} to {1}", asset, absPath);
AssetDatabase.Refresh();
if (null != refreshCallback)
{
refreshCallback();
}
}
