public DrawingSurfaceContentProvider(DrawingSurfaceUpdateHandler drawingSurfaceUpdateHandler, Microsoft.Xna.Framework.Game game)
{
_drawingSurfaceUpdateHandler = drawingSurfaceUpdateHandler;
_surfaceUpdateHandler = new SurfaceUpdateHandler(game);
}
public DrawingSurfaceContentProvider(DrawingSurfaceUpdateHandler drawingSurfaceUpdateHandler, Microsoft.Xna.Framework.Game game)
{
_drawingSurfaceUpdateHandler = drawingSurfaceUpdateHandler;
_surfaceUpdateHandler = new SurfaceUpdateHandler(game);
}
/// <summary>
/// Creates your Game class initializing it to worth within a XAML application window.
/// </summary>
/// <param name="launchParameters">The command line arguments from launch.</param>
/// <param name="page">The XAML page containing the drawing surface to which we render the scene and recieve input events.</param>
/// <returns></returns>
///
static public T Create(string launchParameters, PhoneApplicationPage page)
{
if (launchParameters == null)
{
throw new NullReferenceException("The launch parameters cannot be null!");
}
if (page == null)
{
throw new NullReferenceException("The page parameter cannot be null!");
}
UIElement drawingSurface = page.Content as DrawingSurfaceBackgroundGrid;
MediaElement mediaElement = null;
for (int i = 0; i < VisualTreeHelper.GetChildrenCount(page.Content); i++)
{
var child = VisualTreeHelper.GetChild(page.Content, i);
if (child is MediaElement)
{
mediaElement = (MediaElement)child;
}
else if (drawingSurface == null && child is DrawingSurface)
{
drawingSurface = (DrawingSurface)child;
}
}
if (!(drawingSurface is DrawingSurfaceBackgroundGrid) && !(drawingSurface is DrawingSurface))
{
throw new NullReferenceException("The drawing surface could not be found!");
}
if (mediaElement == null)
{
throw new NullReferenceException("The media element could not be found! Add it to the GamePage.");
}
Microsoft.Xna.Framework.Media.MediaPlayer._mediaElement = mediaElement;
WindowsPhoneGamePlatform.LaunchParameters = launchParameters;
WindowsPhoneGameWindow.Width = ((FrameworkElement)drawingSurface).ActualWidth;
WindowsPhoneGameWindow.Height = ((FrameworkElement)drawingSurface).ActualHeight;
WindowsPhoneGameWindow.Page = page;
Microsoft.Xna.Framework.Audio.SoundEffect.InitializeSoundEffect();
page.BackKeyPress += Microsoft.Xna.Framework.Input.GamePad.GamePageWP8_BackKeyPress;
// Construct the game.
var game = new T();
if (game.graphicsDeviceManager == null)
{
throw new NullReferenceException("You must create the GraphicsDeviceManager in the Game constructor!");
}
SurfaceTouchHandler surfaceTouchHandler = new SurfaceTouchHandler();
if (drawingSurface is DrawingSurfaceBackgroundGrid)
{
// Hookup the handlers for updates and touch.
DrawingSurfaceBackgroundGrid drawingSurfaceBackgroundGrid = (DrawingSurfaceBackgroundGrid)drawingSurface;
drawingSurfaceBackgroundGrid.SetBackgroundContentProvider(new DrawingSurfaceBackgroundContentProvider(game));
drawingSurfaceBackgroundGrid.SetBackgroundManipulationHandler(surfaceTouchHandler);
}
else
{
var drawingSurfaceUpdateHandler = new DrawingSurfaceUpdateHandler(game);
DrawingSurface ds = (DrawingSurface)drawingSurface;
RoutedEventHandler onLoadedHandler = (object sender, RoutedEventArgs e) =>
{
if (sender != ds)
{
return;
}
if (initializedSurfaces.ContainsKey(ds) == false)
{
// Hook-up native component to DrawingSurface
ds.SetContentProvider(drawingSurfaceUpdateHandler.ContentProvider);
ds.SetManipulationHandler(surfaceTouchHandler);
// Make sure surface is not initialized twice...
initializedSurfaces.Add(ds, true);
}
};
// Don't wait for loaded event here since control might
// be loaded already.
onLoadedHandler(ds, null);
ds.Unloaded += OnDrawingSurfaceUnloaded;
ds.Loaded += onLoadedHandler;
}
// Return the constructed, but not initialized game.
return(game);
}