/// <summary>
/// Loads a new XNA asset file into the ModelViewerControl.
/// </summary>
public AssetType LoadFile(string fileName, XnaBuildProperties buildProperties)
{
if (!_loaded)
{
return(AssetType.None);
}
// Unload any existing content.
graphicsDeviceControl.AssetRenderer = null;
AssetHandler assetHandler = _assetHandlers.GetAssetHandler(fileName);
assetHandler.ResetRenderer();
windowsFormsHost.Visibility = Visibility.Collapsed;
txtInfo.Text = "Loading...";
txtInfo.Visibility = Visibility.Visible;
// Load asynchronously.
var ui = TaskScheduler.FromCurrentSynchronizationContext();
Task <string> loadTask = new Task <string>(() =>
{
_contentManager.Unload();
// Tell the ContentBuilder what to build.
_contentBuilder.Clear();
_contentBuilder.SetReferences(buildProperties.ProjectReferences);
string assetName = fileName;
foreach (char c in Path.GetInvalidFileNameChars())
{
assetName = assetName.Replace(c.ToString(), string.Empty);
}
assetName = Path.GetFileNameWithoutExtension(assetName);
_contentBuilder.Add(fileName, assetName, buildProperties.Importer,
buildProperties.Processor ?? assetHandler.ProcessorName,
buildProperties.ProcessorParameters);
// Build this new model data.
string buildErrorInternal = _contentBuilder.Build();
if (string.IsNullOrEmpty(buildErrorInternal))
{
// If the build succeeded, use the ContentManager to
// load the temporary .xnb file that we just created.
assetHandler.LoadContent(assetName);
graphicsDeviceControl.AssetRenderer = assetHandler.Renderer;
}
return(buildErrorInternal);
});
loadTask.ContinueWith(t =>
{
string buildError = t.Result;
if (!string.IsNullOrEmpty(buildError))
{
// If the build failed, display an error message.
txtInfo.Text = "Uh-oh. Something went wrong. Check the Output window for details.";
XBuilderWindowPane.WriteLine(buildError);
}
else
{
windowsFormsHost.Visibility = Visibility.Visible;
txtInfo.Visibility = Visibility.Hidden;
}
}, ui);
loadTask.Start();
return(_assetHandlers.GetAssetType(fileName));
}
