/// <summary>
/// The main render loop callback that is cached in a delegate and is invoked to process main game loop.
/// </summary>
private void RenderLoopCallback()
{
if (Exiting)
{
CompositionTarget.Rendering -= OnCompositionTargetRendering;
if (element != null)
{
element.Dispose();
element = null;
}
return;
}
// run render loop once
RunCallback();
// mark completion of drawing operations
deviceContext.End(queryForCompletion);
// wait until drawing completes
Bool completed;
while (!(deviceContext.GetData(queryForCompletion, out completed) &&
completed))
{
Thread.Yield();
}
// syncronize D3D surface with WPF
if (!element.IsDisposed)
{
element.InvalidateRendering();
}
}
private static void HandleGameChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var view = d as GameView;
if (view == null) return;
var newGame = e.NewValue as Game;
view.Content = null; // old element will be unloaded and will disable the game
if(newGame != null)
{
// new element will reactivate the game on loading
var element = new SharpDXElement
{
SendResizeToGame = true,
SendResizeDelay = TimeSpan.FromSeconds(1),
LowPriorityRendering = false
};
view.Content = element;
if(newGame.IsRunning)
newGame.Switch(element);
else
newGame.Run(element);
}
}
/// <inheritdoc />
internal override void Initialize(GameContext gameContext)
{
if (gameContext == null)
{
throw new ArgumentNullException("gameContext");
}
element = gameContext.Control as SharpDXElement;
if (element == null)
{
throw new ArgumentException("Only SharpDXElement is supported at this time", "gameContext");
}
var width = gameContext.RequestedWidth;
if (width <= 0)
{
width = GraphicsDeviceManager.DefaultBackBufferWidth;
}
var height = gameContext.RequestedHeight;
if (height <= 0)
{
height = GraphicsDeviceManager.DefaultBackBufferHeight;
}
element.TrySetSize(width, height);
element.ResizeCompleted += OnClientSizeChanged;
element.MouseEnter += OnMouseEnter;
element.MouseLeave += OnMouseLeave;
element.Loaded += HandleElementLoaded;
element.Unloaded += HandleElementUnloaded;
}
void System.Windows.Markup.IComponentConnector.Connect(int connectionId, object target)
{
switch (connectionId)
{
case 1:
this.surface = ((SharpDX.Toolkit.SharpDXElement)(target));
return;
}
this._contentLoaded = true;
}
/// <inheritdoc />
internal override void Switch(GameContext context)
{
element.ResizeCompleted -= OnClientSizeChanged;
element.MouseEnter -= OnMouseEnter;
element.MouseLeave -= OnMouseLeave;
element.Loaded -= HandleElementLoaded;
element.Unloaded -= HandleElementUnloaded;
element = null;
Initialize(context);
}
private void RunGameOn(UIElement disableButton, UIElement enableButton, ContentControl contentContainer)
{
DisposeContent(contentContainer1);
DisposeContent(contentContainer2);
disableButton.IsEnabled = false;
enableButton.IsEnabled = true;
var element = new SharpDXElement
{
SendResizeToGame = true,
SendResizeDelay = TimeSpan.FromSeconds(2),
LowPriorityRendering = false,
};
contentContainer.Content = element;
if (_game.IsRunning)
_game.Switch(element);
else
_game.Run(element);
}
private void RenderLoopCallback()
{
if (Exiting)
{
CompositionTarget.Rendering -= OnCompositionTargetRendering;
if (element != null)
{
element.Dispose();
element = null;
}
return;
}
// run render loop once
RunCallback();
// mark completion of drawing operations
deviceContext.End(queryForCompletion);
// wait until drawing completes
Bool completed;
while (!(deviceContext.GetData(queryForCompletion, out completed)
&& completed)) Thread.Yield();
// syncronize D3D surface with WPF
element.InvalidateRendering();
}
internal override void Initialize(GameContext gameContext)
{
if (gameContext == null) throw new ArgumentNullException("gameContext");
element = gameContext.Control as SharpDXElement;
if (element == null) throw new ArgumentException("Only SharpDXElement is supported at this time", "gameContext");
var width = gameContext.RequestedWidth;
if (width <= 0)
width = GraphicsDeviceManager.DefaultBackBufferWidth;
var height = gameContext.RequestedHeight;
if (height <= 0)
height = GraphicsDeviceManager.DefaultBackBufferHeight;
element.TrySetSize(width, height);
element.ResizeCompleted += OnClientSizeChanged;
element.MouseEnter += OnMouseEnter;
element.MouseLeave += OnMouseLeave;
}
/// <inheritdoc />
internal override void Switch(GameContext context)
{
element.ResizeCompleted -= OnClientSizeChanged;
element.MouseEnter -= OnMouseEnter;
element.MouseLeave -= OnMouseLeave;
element.Loaded -= HandleElementLoaded;
element.Unloaded -= HandleElementUnloaded;
element = null;
Initialize(context);
}
private void RenderLoopCallback()
{
if (Exiting)
{
CompositionTarget.Rendering -= OnCompositionTargetRendering;
if (element != null)
{
element.Dispose();
element = null;
}
return;
}
RunCallback();
element.InvalidateRendering();
}