/// <summary>
/// Initializes a new instance of the <see cref="Game" /> class.
/// </summary>
/// <param name="title"> (Optional) title. </param>
/// <param name="gcLatencyMode"> (Optional) GCLatencyMode. </param>
protected Game(string title = "Exomia.Framework",
GCLatencyMode gcLatencyMode = GCLatencyMode.SustainedLowLatency)
{
GCSettings.LatencyMode = gcLatencyMode;
_gameComponents = new Dictionary <string, IComponent>(INITIAL_QUEUE_SIZE);
_pendingInitializables = new List <IInitializable>(INITIAL_QUEUE_SIZE);
_updateableComponent = new List <IUpdateable>(INITIAL_QUEUE_SIZE);
_drawableComponent = new List <IDrawable>(INITIAL_QUEUE_SIZE);
_contentableComponent = new List <IContentable>(INITIAL_QUEUE_SIZE);
_currentlyUpdateableComponent = new List <IUpdateable>(INITIAL_QUEUE_SIZE);
_currentlyDrawableComponent = new List <IDrawable>(INITIAL_QUEUE_SIZE);
_currentlyContentableComponent = new List <IContentable>(INITIAL_QUEUE_SIZE);
_collector = new DisposeCollector();
_serviceRegistry = new ServiceRegistry();
_serviceRegistry.AddService <IGraphicsDevice>(_graphicsDevice = new GraphicsDevice());
_serviceRegistry.AddService(_contentManager = new ContentManager(_serviceRegistry));
_platform = GamePlatform.Create(this, title);
_serviceRegistry.AddService(_platform.MainWindow);
// NOTE: The input device should be registered during the platform creation!
_inputDevice = _serviceRegistry.GetService <IInputDevice>();
}
public Scene(IServiceRegistry services)
{
Contract.Requires <ArgumentNullException>(services != null, "services");
messenger = new Messenger();
entityMap = new EntityMap(this);
systemMap = new SystemMap(this);
updateableSystems = new List <IUpdateableSystem>();
renderableSystems = new List <IRenderableSystem>();
currentlyUpdatingSystems = new List <IUpdateableSystem>();
currentlyRenderingSystems = new List <IRenderableSystem>();
Services = services;
Services.AddService(typeof(IEntityProvider), this);
Services.AddService(typeof(IResourceProvider), this);
var content = Services.GetService <IAssetProvider>();
content.AddMapping("Scene", typeof(Scene));
entityMap.EntityAdded += systemMap.OnEntityAdded;
entityMap.EntityRemoved += systemMap.OnEntityRemoved;
entityMap.EntityComponentAdded += systemMap.OnEntityComponentAdded;
entityMap.EntityComponentRemoved += systemMap.OnEntityComponentRemoved;
systemMap.SystemAdded += SystemMapOnSystemAdded;
systemMap.SystemRemoved += SystemMapOnSystemRemoved;
tagManager = new TagManager();
}
/// <summary>
/// Create an new instance of AudioSystem
/// </summary>
/// <param name="registry">The service registry in which to register the <see cref="AudioSystem"/> services</param>
public AudioSystem(IServiceRegistry registry)
: base(registry)
{
Enabled = true;
registry.AddService(typeof(AudioSystem), this);
registry.AddService(typeof(IAudioEngineProvider), this);
}
/// <summary>
/// Create an new instance of AudioSystem
/// </summary>
/// <param name="registry">The service registry in which to register the <see cref="AudioSystem"/> services</param>
public AudioSystem(IServiceRegistry registry)
: base(registry)
{
Enabled = true;
registry.AddService(typeof(AudioSystem), this);
registry.AddService(typeof(IAudioEngineProvider), this);
}
public AssetManager(IServiceRegistry services)
{
Serializer = new AssetSerializer();
if (services != null)
{
services.AddService(typeof(IAssetManager), this);
services.AddService(typeof(AssetManager), this);
Serializer.SerializerContextTags.Set(ServiceRegistry.ServiceRegistryKey, services);
}
}
internal Application()
{
var platformTypeAttribute = ReflectionHelper.GetAttribute <PlatformTypeAttribute>(GetType());
if (!ReflectionHelper.IsTypeDerived(platformTypeAttribute.PlatformType, typeof(ApplicationPlatform)))
{
throw new InvalidOperationException("PlatformType must be derived from ApplicationPlatform.");
}
services = new ServiceRegistry();
appTime = new ApplicationTime();
totalTime = new TimeSpan();
timer = new TimerTick();
IsFixedTimeStep = false;
maximumElapsedTime = TimeSpan.FromMilliseconds(500.0);
TargetElapsedTime = TimeSpan.FromTicks(10000000 / 120); // target elapsed time is by default 60Hz
lastUpdateCount = new int[4];
nextLastUpdateCountIndex = 0;
// Calculate the updateCountAverageSlowLimit (assuming moving average is >=3 )
// Example for a moving average of 4:
// updateCountAverageSlowLimit = (2 * 2 + (4 - 2)) / 4 = 1.5f
const int BadUpdateCountTime = 2; // number of bad frame (a bad frame is a frame that has at least 2 updates)
var maxLastCount = 2 * Math.Min(BadUpdateCountTime, lastUpdateCount.Length);
updateCountAverageSlowLimit = (float)(maxLastCount + (lastUpdateCount.Length - maxLastCount)) / lastUpdateCount.Length;
services.AddService(typeof(IWindowService), this);
services.AddService(typeof(ITimeService), appTime);
// Setup Content Manager
contentManager = new ContentManager(services);
contentManager.AddMapping(AssetType.EngineReferences, typeof(EngineReferenceCollection));
contentManager.AddMapping(AssetType.Model, typeof(Model));
contentManager.AddMapping(AssetType.Effect, typeof(ShaderCollection));
contentManager.AddMapping(AssetType.Texture2D, typeof(Texture2D));
contentManager.AddMapping(AssetType.TextureCube, typeof(TextureCube));
contentManager.AddMapping(AssetType.Cutscene, typeof(Cutscene));
var additionalServices = ReflectionHelper.GetAttributes <RequiredServiceAttribute>(GetType());
foreach (var requiredService in additionalServices)
{
var service = Activator.CreateInstance(requiredService.ClassType, services);
services.AddService(requiredService.ServiceType, service);
}
// Setup Platform
applicationPlatform = (ApplicationPlatform)Activator.CreateInstance(platformTypeAttribute.PlatformType, this);
applicationPlatform.Activated += ApplicationPlatformActivated;
applicationPlatform.Deactivated += ApplicationPlatformDeactivated;
applicationPlatform.Exiting += ApplicationPlatform_Exiting;
applicationPlatform.WindowCreated += ApplicationPlatformWindowCreated;
}
/// <summary>
/// Initializes a new instance of the <see cref="StreamingManager"/> class.
/// </summary>
/// <param name="services">The servicies registry.</param>
/// <remarks>
/// The GameSystem expects the following services to be registered: <see cref="T:Stride.Games.IGame" /> and <see cref="T:Stride.Core.Serialization.Contents.IContentManager" />.
/// </remarks>
public StreamingManager([NotNull] IServiceRegistry services)
: base(services)
{
services.AddService(this);
services.AddService <IStreamingManager>(this);
services.AddService <ITexturesStreamingProvider>(this);
ContentStreaming = new ContentStreamingService();
Enabled = true;
EnabledChanged += OnEnabledChanged;
}
/// <summary>
/// Creates a new instance of <see cref="SpriteAnimationSystem"/> and register it in the services.
/// </summary>
/// <param name="registry"></param>
public SpriteAnimationSystem(IServiceRegistry registry)
: base(registry)
{
registry.AddService(typeof(SpriteAnimationSystem), this);
DefaultFramesPerSecond = 30;
}
/// <summary>
/// Creates a new instance of <see cref="SpriteAnimationSystem"/> and register it in the services.
/// </summary>
/// <param name="registry"></param>
public SpriteAnimationSystem(IServiceRegistry registry)
: base(registry)
{
registry.AddService(typeof(SpriteAnimationSystem), this);
DefaultFramesPerSecond = 30;
}
/// <summary>
/// Initializes a new instance of the <see cref="GameSystemBase" /> class.
/// </summary>
/// <param name="registry">The registry.</param>
/// <remarks>The GameSystem is expecting the following services to be registered: <see cref="IGame" /> and <see cref="IAssetManager" />.</remarks>
public SceneSystem(IServiceRegistry registry)
: base(registry)
{
registry.AddService(typeof(SceneSystem), this);
Enabled = true;
Visible = true;
}
/// <summary>
/// Initializes a new instance of the <see cref="GameSystemBase" /> class.
/// </summary>
/// <param name="registry">The registry.</param>
/// <remarks>The GameSystem is expecting the following services to be registered: <see cref="IGame" /> and <see cref="IContentManager" />.</remarks>
public SceneSystem(IServiceRegistry registry)
: base(registry)
{
registry.AddService(typeof(SceneSystem), this);
Enabled = true;
Visible = true;
}
public DebugConsoleSystem(IServiceRegistry registry) : base(registry)
{
registry.AddService(typeof(DebugConsoleSystem), this);
Visible = true;
DrawOrder = 0xffffff;
}
public Bullet2PhysicsSystem(IServiceRegistry registry)
: base(registry)
{
UpdateOrder = -1000; //make sure physics runs before everything
registry.AddService(typeof(IPhysicsSystem), this);
Enabled = true; //enabled by default
}
/// <summary>
/// Create an new instance of AudioSystem
/// </summary>
/// <param name="registry">The service registry in which to register the <see cref="AudioSystem"/> services</param>
public AudioSystem(IServiceRegistry registry)
: base(registry)
{
Enabled = true;
AudioEngine = new AudioEngine();
registry.AddService(typeof(AudioSystem), this);
}
/// <summary>
/// Initializes a new instance of the <see cref="GraphicsDeviceServiceLocal"/> class.
/// </summary>
/// <param name="registry">The registry.</param>
/// <param name="graphicsDevice">The graphics device.</param>
public GraphicsDeviceServiceLocal(IServiceRegistry registry, GraphicsDevice graphicsDevice)
{
if (registry != null)
{
registry.AddService(typeof(IGraphicsDeviceService), this);
}
GraphicsDevice = graphicsDevice;
}
/// <summary>
/// Create an new instance of AudioSystem
/// </summary>
/// <param name="registry">The service registry in which to register the <see cref="AudioSystem"/> services</param>
public AudioSystem(IServiceRegistry registry)
: base(registry)
{
Enabled = true;
AudioEngine = AudioEngineFactory.NewAudioEngine();
registry.AddService(typeof(AudioSystem), this);
}
public Bullet2PhysicsSystem(IServiceRegistry registry)
: base(registry)
{
UpdateOrder = -1000; //make sure physics runs before everything
registry.AddService(typeof(IPhysicsSystem), this);
Enabled = true; //enabled by default
}
/// <summary>
/// Initializes a new instance of the <see cref="GraphicsDeviceServiceLocal"/> class.
/// </summary>
/// <param name="registry">The registry.</param>
/// <param name="graphicsDevice">The graphics device.</param>
public GraphicsDeviceServiceLocal(IServiceRegistry registry, GraphicsDevice graphicsDevice)
{
if (registry != null)
{
registry.AddService(typeof(IGraphicsDeviceService), this);
}
GraphicsDevice = graphicsDevice;
}
public DebugConsoleSystem(IServiceRegistry registry) : base(registry)
{
registry.AddService(typeof(DebugConsoleSystem), this);
Visible = true;
DrawOrder = 0xffffff;
UpdateOrder = -100100; //before script
}
public DebugConsoleSystem(IServiceRegistry registry) : base(registry)
{
registry.AddService(typeof(DebugConsoleSystem), this);
Visible = true;
DrawOrder = 0xffffff;
UpdateOrder = -100100; //before script
}
public GamePlatformDesktop(IServiceRegistry services) : base(services)
{
// By default, the mouse is hidden
isMouseVisible = false;
Cursor.Hide();
IsBlockingRun = true;
gameWindowDesktop = new GameWindowDesktop();
services.AddService(typeof(IGraphicsDeviceFactory), this);
}
public GameProfilingSystem(IServiceRegistry registry) : base(registry)
{
registry.AddService(typeof(GameProfilingSystem), this);
DrawOrder = 0xffffff;
gcProfiler = new GcProfiling();
gcMemoryStringBase = "Memory> Total: {0} Peak: {1} Last allocations: {2}";
gcCollectionsStringBase = "Collections> Gen 0: {0} Gen 1: {1} Gen 3: {2}";
}
private static void registerDefaultServices(IServiceRegistry s)
{
s.SetServiceIfNone<ILogger, ExceptionLogger>();
s.SetServiceIfNone<Parser, OptimizedParser>();
s.SetServiceIfNone<IStylizer, PlainStylizer>();
s.SetServiceIfNone<IImporter, DefaultImporter>();
s.SetServiceIfNone<IFileReader, FileReader>();
s.SetServiceIfNone<ILessEngine, DefaultEngine>();
s.SetServiceIfNone<IPathResolver, AssetPathResolver>();
s.SetServiceIfNone<ILessCompiler, LessCompiler>();
s.AddService<ITransformerPolicy, LessTransformerPolicy>();
}
/// <summary>
/// Get <see cref="GameEventSystem"/> from the service registry or adds one if it doesn't exist.
/// </summary>
public static GameEventSystem GetFromServices(IServiceRegistry services)
{
var ges = services.GetService <GameEventSystem>();
if (ges == null)
{
ges = new GameEventSystem(services);
services.AddService <GameEventSystem>(ges);
services.GetService <IGame>().GameSystems.Add(ges);
}
return(ges);
}
private static void registerDefaultServices(IServiceRegistry s)
{
s.SetServiceIfNone <ILogger, ExceptionLogger>();
s.SetServiceIfNone <Parser, OptimizedParser>();
s.SetServiceIfNone <IStylizer, PlainStylizer>();
s.SetServiceIfNone <IImporter, DefaultImporter>();
s.SetServiceIfNone <IFileReader, FileReader>();
s.SetServiceIfNone <ILessEngine, DefaultEngine>();
s.SetServiceIfNone <IPathResolver, AssetPathResolver>();
s.SetServiceIfNone <ILessCompiler, LessCompiler>();
s.AddService <ITransformerPolicy, LessTransformerPolicy>();
}
/// <summary>
/// Create an instance of an UI element renderer.
/// </summary>
/// <param name="services">The list of registered services</param>
public ElementRenderer(IServiceRegistry services)
{
Content = services.GetSafeServiceAs <IContentManager>();
GraphicsDeviceService = services.GetSafeServiceAs <IGraphicsDeviceService>();
UI = services.GetService <UISystem>();
if (UI == null)
{
UI = new UISystem(services);
services.AddService(UI);
var gameSystems = services.GetService <IGameSystemCollection>();
gameSystems?.Add(UI);
}
}
public GameSystemCollection(IServiceRegistry registry)
{
drawableGameSystems = new List <KeyValuePair <IDrawable, ProfilingKey> >();
currentlyContentGameSystems = new List <IContentable>();
currentlyDrawingGameSystems = new List <KeyValuePair <IDrawable, ProfilingKey> >();
pendingGameSystems = new List <IGameSystemBase>();
updateableGameSystems = new List <KeyValuePair <IUpdateable, ProfilingKey> >();
currentlyUpdatingGameSystems = new List <KeyValuePair <IUpdateable, ProfilingKey> >();
contentableGameSystems = new List <IContentable>();
registry.AddService(typeof(IGameSystemCollection), this);
// Register events on GameSystems.
CollectionChanged += GameSystems_CollectionChanged;
}
protected virtual void Initialize()
{
const string filePath = Global.DataPath + "System.yaml";
const string references = "EngineReferences";
if (!NativeFile.Exists(filePath))
{
throw new InvalidOperationException(string.Format("Odyssey System Data not found: check if {0} exists", filePath));
}
contentManager.LoadAssetList(filePath);
var refData = contentManager.Load <EngineReferenceCollection>(references);
services.AddService(typeof(IReferenceService), refData);
SetupDeviceEvents();
}
private void configureServices(IServiceRegistry services)
{
services.SetServiceIfNone<ITemplateRegistry>(_templateRegistry);
services.SetServiceIfNone<ISparkViewEngine>(new SparkViewEngine());
services.AddService<IActivator, SparkActivator>();
services.AddService<IRenderStrategy, NestedRenderStrategy>();
services.AddService<IRenderStrategy, AjaxRenderStrategy>();
services.AddService<IRenderStrategy, DefaultRenderStrategy>();
services.AddService<IViewModifier, PageActivation>();
services.AddService<IViewModifier, SiteResourceAttacher>();
services.AddService<IViewModifier, ContentActivation>();
services.AddService<IViewModifier, OnceTableActivation>();
services.AddService<IViewModifier, OuterViewOutputActivator>();
services.AddService<IViewModifier, NestedViewOutputActivator>();
services.AddService<IViewModifier, ViewContentDisposer>();
services.AddService<IViewModifier, NestedOutputActivation>();
}
public ContentManager(IServiceRegistry services)
{
this.services = services;
services.AddService(typeof(IAssetProvider), this);
// Content resolvers
Resolvers = new ObservableCollection <IResourceResolver>();
Resolvers.ItemAdded += ContentResolvers_ItemAdded;
Resolvers.ItemRemoved += ContentResolvers_ItemRemoved;
registeredContentResolvers = new List <IResourceResolver>();
// Content readers.
Readers = new ObservableDictionary <Type, IContentReader>();
Readers.ItemAdded += ContentReaders_ItemAdded;
Readers.ItemRemoved += ContentReaders_ItemRemoved;
registeredContentReaders = new Dictionary <Type, IContentReader>();
loadedAssets = new Dictionary <string, object>(StringComparer.OrdinalIgnoreCase);
assetLockers = new Dictionary <string, object>(StringComparer.OrdinalIgnoreCase);
// Init ContentManager
Resolvers.Add(new FileSystemResourceResolver(Global.Assets));
}
public CameraProvider(IServiceRegistry registry)
: base(registry)
{
registry.AddService(typeof(ICameraService), this);
}
public void RegisterServices(IServiceRegistry services)
{
services.AddService <IContentFolderService>(_contentFolderService);
services.AddService <IMimeTypeProvider>(_mimeTypeProvider);
}
public static void AddService <TService>(this IServiceRegistry serviceRegistry, Func <IServiceProvider, TService> factory) where TService : class
{
serviceRegistry.AddService(typeof(TService), factory);
}
public static void AddService <TService, TServiceImpl>(this IServiceRegistry serviceRegistry) where TService : class where TServiceImpl : class, TService
{
serviceRegistry.AddService(typeof(TService), typeof(TServiceImpl));
}
private static void registerDefaultServices(IServiceRegistry s)
{
s.SetServiceIfNone<ILessEngine>(new LessEngine());
s.SetServiceIfNone<ILessCompiler, LessCompiler>();
s.AddService<ITransformerPolicy, LessTransformerPolicy>();
}
private static void registerDefaultServices(IServiceRegistry registry)
{
registerCompiler(registry);
registry.AddService <ITransformerPolicy, CoffeeTransformerPolicy>();
}
protected GamePlatform(GameBase game)
{
this.game = game;
Services = game.Services;
Services.AddService(typeof(IGraphicsDeviceFactory), this);
}
public ThumbnailGenerator(EffectCompilerBase effectCompiler)
{
// create base services
Services = new ServiceRegistry();
Services.AddService(MicrothreadLocalDatabases.ProviderService);
ContentManager = new ContentManager(Services);
Services.AddService <IContentManager>(ContentManager);
Services.AddService(ContentManager);
GraphicsDevice = GraphicsDevice.New();
GraphicsContext = new GraphicsContext(GraphicsDevice);
GraphicsCommandList = GraphicsContext.CommandList;
Services.AddService(GraphicsContext);
sceneSystem = new SceneSystem(Services);
Services.AddService(sceneSystem);
fontSystem = new GameFontSystem(Services);
Services.AddService(fontSystem.FontSystem);
Services.AddService <IFontFactory>(fontSystem.FontSystem);
GraphicsDeviceService = new GraphicsDeviceServiceLocal(Services, GraphicsDevice);
Services.AddService(GraphicsDeviceService);
var uiSystem = new UISystem(Services);
Services.AddService(uiSystem);
var physicsSystem = new Bullet2PhysicsSystem(Services);
Services.AddService <IPhysicsSystem>(physicsSystem);
gameSystems = new GameSystemCollection(Services)
{
fontSystem, uiSystem, physicsSystem
};
Services.AddService <IGameSystemCollection>(gameSystems);
Simulation.DisableSimulation = true; //make sure we do not simulate physics within the editor
// initialize base services
gameSystems.Initialize();
// create remaining services
EffectSystem = new EffectSystem(Services);
Services.AddService(EffectSystem);
gameSystems.Add(EffectSystem);
gameSystems.Add(sceneSystem);
EffectSystem.Initialize();
// Mount the same database for the cache
EffectSystem.Compiler = EffectCompilerFactory.CreateEffectCompiler(effectCompiler.FileProvider, EffectSystem);
// Deactivate the asynchronous effect compilation
((EffectCompilerCache)EffectSystem.Compiler).CompileEffectAsynchronously = false;
// load game system content
gameSystems.LoadContent();
// create the default fonts
var fontItem = OfflineRasterizedSpriteFontFactory.Create();
fontItem.FontType.Size = 22;
DefaultFont = OfflineRasterizedFontCompiler.Compile(fontSystem.FontSystem, fontItem, true);
// create utility members
nullGameTime = new GameTime();
SpriteBatch = new SpriteBatch(GraphicsDevice);
UIBatch = new UIBatch(GraphicsDevice);
// create the pipeline
SetUpPipeline();
}
private void configureServices(IServiceRegistry services)
{
services.SetServiceIfNone <ITemplateRegistry>(_templateRegistry);
services.SetServiceIfNone <ISparkViewEngine>(new SparkViewEngine());
services.AddService <IActivator, SparkActivator>();
services.AddService <IRenderStrategy, NestedRenderStrategy>();
services.AddService <IRenderStrategy, AjaxRenderStrategy>();
services.AddService <IRenderStrategy, DefaultRenderStrategy>();
services.AddService <IViewModifier, PageActivation>();
services.AddService <IViewModifier, SiteResourceAttacher>();
services.AddService <IViewModifier, ContentActivation>();
services.AddService <IViewModifier, OnceTableActivation>();
services.AddService <IViewModifier, OuterViewOutputActivator>();
services.AddService <IViewModifier, NestedViewOutputActivator>();
services.AddService <IViewModifier, ViewContentDisposer>();
services.AddService <IViewModifier, NestedOutputActivation>();
}
public SimpleDeviceManager(IServiceRegistry services)
{
services.AddService(typeof(IDirectXDeviceService), this);
services.AddService(typeof(IDirectXDeviceSettings), this);
services.AddService(typeof(ISwapChainPresenterService), this);
}
private static void registerDefaultServices(IServiceRegistry registry)
{
registerCompiler(registry);
registry.AddService<ITransformerPolicy, CoffeeTransformerPolicy>();
}
public void RegisterServices(IServiceRegistry services)
{
services.AddService<IImageUrlResolver>(_imageUrlResolver);
}
private static void services(IServiceRegistry s)
{
s.SetServiceIfNone<ISassCompiler, DefaultSassCompiler>();
s.SetServiceIfNone<SassAndCoffee.Ruby.Sass.ISassCompiler, SassAndCoffee.Ruby.Sass.SassCompiler>();
s.AddService<ITransformerPolicy, SassTransformerPolicy>();
}
public void RegisterServices(IServiceRegistry services)
{
services.AddService<IContentFolderService>(_contentFolderService);
}
protected GamePlatform(Game game)
{
this.game = game;
Services = game.Services;
Services.AddService(typeof(IGraphicsDeviceFactory), this);
}
public void RegisterServices(IServiceRegistry services)
{
services.AddService<IContentFolderService>(_contentFolderService);
services.AddService<IMimeTypeProvider>(_mimeTypeProvider);
}
private static void registerDefaultServices(IServiceRegistry s)
{
s.SetServiceIfNone <ILessEngine>(new LessEngine());
s.SetServiceIfNone <ILessCompiler, LessCompiler>();
s.AddService <ITransformerPolicy, LessTransformerPolicy>();
}
private static void services(IServiceRegistry s)
{
s.SetServiceIfNone <ISassCompiler, DefaultSassCompiler>();
s.SetServiceIfNone <SassAndCoffee.Ruby.Sass.ISassCompiler, SassAndCoffee.Ruby.Sass.SassCompiler>();
s.AddService <ITransformerPolicy, SassTransformerPolicy>();
}
public GamePlatformWP8(IServiceRegistry services) : base(services)
{
gameWindowWP8 = new GameWindowWP8();
services.AddService(typeof(IGraphicsDeviceFactory), this);
}
public GamePlatformDesktop(IServiceRegistry services) : base(services)
{
IsBlockingRun = true;
gameWindowDesktop = new GameWindowDesktop();
services.AddService(typeof(IGraphicsDeviceFactory), this);
}
