private void onRenderFrame(object sender, FrameEventArgs e)
{
if (RenderLoop == null || _renderFrameRetries > 3)
{
return;
}
try
{
_renderMessagePump.PumpMessages();
// render graphics
if (_gameCount == 1 || _gameIndex == 2) //if we have 2 games (editor + game) we want the editor layout drawn above the game so only clear screen from the actual game
{
var bgColor = State.Room?.BackgroundColor;
if (bgColor != null)
{
var color = bgColor.Value.ToGLColor();
_graphics.ClearColor(color.R, color.G, color.B, color.A);
_graphics.ClearScreen();
}
}
Events.OnBeforeRender.Invoke();
if (render())
{
if (_gameIndex == 1) //if we have 2 games (editor + game) editor is game index 1 and should be drawn last, so only the editor should swap buffers
{
if (_shouldSwapBuffers)
{
GameWindow.SwapBuffers();
}
_shouldSwapBuffers = true;
}
}
else if (_gameIndex != 1)
{
_shouldSwapBuffers = false;
}
if (_shouldSetRestart)
{
_shouldSetRestart = false;
SaveLoad.SetRestartPoint();
}
}
catch (Exception ex)
{
_renderFrameRetries++;
Debug.WriteLine("Exception when rendering:");
Debug.WriteLine(ex.ToString());
throw;
}
}
public void Start(IGameSettings settings)
{
GameLoop = _resolver.Container.Resolve <IGameLoop>(new TypedParameter(typeof(AGS.API.Size), settings.VirtualResolution));
TypedParameter settingsParameter = new TypedParameter(typeof(IGameSettings), settings);
try { GameWindow = Resolver.Container.Resolve <IGameWindow>(settingsParameter); }
catch (Exception ese)
{
Debug.WriteLine(ese.ToString());
throw;
}
//using (GameWindow)
{
try
{
TypedParameter gameWindowParameter = new TypedParameter(typeof(IGameWindow), GameWindow);
GameWindow.Load += (sender, e) =>
{
Settings = Resolver.Container.Resolve <IRuntimeSettings>(settingsParameter, gameWindowParameter);
_graphics.ClearColor(0f, 0f, 0f, 1f);
_graphics.Init();
_glUtils.GenBuffers();
Factory = Resolver.Container.Resolve <IGameFactory>();
TypedParameter sizeParameter = new TypedParameter(typeof(AGS.API.Size), Settings.VirtualResolution);
Input = _resolver.Container.Resolve <IInput>(gameWindowParameter, sizeParameter);
TypedParameter inputParamater = new TypedParameter(typeof(IInput), Input);
TypedParameter gameParameter = new TypedParameter(typeof(IGame), this);
_renderLoop = _resolver.Container.Resolve <IRendererLoop>(inputParamater, gameParameter);
updateResolver();
AudioSettings = _resolver.Container.Resolve <IAudioSettings>();
SaveLoad = _resolver.Container.Resolve <ISaveLoad>();
_glUtils.AdjustResolution(settings.VirtualResolution.Width, settings.VirtualResolution.Height);
Events.OnLoad.Invoke(sender, new AGSEventArgs());
};
GameWindow.Resize += async(sender, e) =>
{
await Task.Delay(10); //todo: For some reason on the Mac, the GL Viewport assignment is overridden without this delay (so aspect ratio is not preserved), a bug in OpenTK?
resize();
Events.OnScreenResize.Invoke(sender, new AGSEventArgs());
};
GameWindow.UpdateFrame += async(sender, e) =>
{
try
{
_messagePump.PumpMessages();
if (State.Paused)
{
return;
}
adjustSpeed();
await GameLoop.UpdateAsync().ConfigureAwait(false);
AGSEventArgs args = new AGSEventArgs();
//Invoking repeatedly execute asynchronously, as if one subscriber is waiting on another subscriber the event will
//never get to it (for example: calling ChangeRoom from within RepeatedlyExecute calls StopWalking which
//waits for the walk to stop, only the walk also happens on RepeatedlyExecute and we'll hang.
//Since we're running asynchronously, the next UpdateFrame will call RepeatedlyExecute for the walk cycle to stop itself and we're good.
///The downside of this approach is that we need to look out for re-entrancy issues.
await Events.OnRepeatedlyExecute.InvokeAsync(sender, args);
}
catch (Exception ex)
{
Debug.WriteLine(ex.ToString());
throw ex;
}
};
GameWindow.RenderFrame += (sender, e) =>
{
if (_renderLoop == null)
{
return;
}
try
{
// render graphics
_graphics.ClearScreen();
Events.OnBeforeRender.Invoke(sender, _renderEventArgs);
if (_renderLoop.Tick())
{
GameWindow.SwapBuffers();
}
if (Repeat.OnceOnly("SetFirstRestart"))
{
SaveLoad.SetRestartPoint();
}
}
catch (Exception ex)
{
Debug.WriteLine("Exception when rendering:");
Debug.WriteLine(ex.ToString());
throw;
}
};
// Run the game at 60 updates per second
GameWindow.Run(UPDATE_RATE);
} catch (Exception exx)
{
Debug.WriteLine(exx.ToString());
throw;
}
}
}