public object GetService(Type type)
{
Asserter.AssertIsNotNull(type, "type");
if (_services.ContainsKey(type))
{
return(_services[type]);
}
return(null);
}
public void AddService(Type type, object provider)
{
Asserter.AssertIsNotNull(type, "type");
Asserter.AssertIsNotNull(provider, "provider");
Asserter.Assert(!_services.ContainsKey(type), "Service is already present.");
if (!type.IsAssignableFrom(provider.GetType()))
{
throw new ArgumentException(string.Format("Service type {0} must be assignable from type {1}.", provider.GetType().FullName, type.FullName));
}
_services.Add(type, provider);
}
public Engine(DrawingSurface drawingSurface)
{
RootControl = (Control)App.Current.RootVisual;
Asserter.AssertIsNotNull(RootControl, "RootControl");
Asserter.AssertIsNotNull(drawingSurface, "drawingSurface");
_drawingSurface = drawingSurface;
_content = new ContentManager(_gameServices);
_content.RootDirectory = "Content";
_totalGameTime = TimeSpan.Zero;
_accumulatedElapsedGameTime = TimeSpan.Zero;
_lastFrameElapsedGameTime = TimeSpan.Zero;
_targetElapsedTime = TimeSpan.FromTicks(166667L);
_drawState = new DrawState();
_updateState = new UpdateState();
_gameServices = new GameServiceContainer();
}
public void RemoveService(Type type)
{
Asserter.AssertIsNotNull(type, "type");
_services.Remove(type);
}