static async void StartGameCycle(SimpleApplication app)
{
app.Run();
const int FpsLimit = 60;
while (app.IsActive)
{
var elapsed = app.Engine.RunFrame();
var targetMax = 1000000L / FpsLimit;
if (elapsed >= targetMax)
{
await Task.Yield();
}
else
{
var ts = TimeSpan.FromMilliseconds((targetMax - elapsed) / 1000d);
await Task.Delay(ts);
}
}
}
public static Task <SimpleApplication> RunAsync(ApplicationOptions options)
{
#if DESKTOP
var dataDir = options.ResourcePaths?.FirstOrDefault();
Environment.CurrentDirectory = Path.GetDirectoryName(typeof(SimpleApplication).Assembly.Location);
if (!File.Exists("CoreData.pak"))
{
using (Stream input = typeof(SimpleApplication).Assembly.GetManifestResourceStream("Urho.CoreData.pak"))
using (Stream output = File.Create(Path.Combine("CoreData.pak")))
input.CopyTo(output);
}
if (!string.IsNullOrEmpty(dataDir))
{
Directory.CreateDirectory("Data");
}
#endif
#if !IOS && !UWP
var taskSource = new TaskCompletionSource <SimpleApplication>();
Action callback = null;
callback = () => {
Started -= callback;
taskSource.TrySetResult(Current as SimpleApplication);
};
Started += callback;
Task.Factory.StartNew(() => new SimpleApplication(options).Run(),
CancellationToken.None,
TaskCreationOptions.DenyChildAttach,
SynchronizationContext.Current == null ? TaskScheduler.Default : TaskScheduler.FromCurrentSynchronizationContext());
return(taskSource.Task);
#else
var app = new SimpleApplication(options);
app.Run(); //for iOS and UWP it's not blocking
return(Task.FromResult(app));
#endif
}
