/// <summary>
/// Repaints the screen. This performs the following actions in order:
/// - GlobalEvent.DrawBackground events are raised
/// - OnDrawBackground is called for the current room
/// - OnDraw is called for each object, sorted according to Depth descending
/// - OnDrawForeground is called for the current room
/// - GlobalEvent.DrawForeground events are raised
/// </summary>
public static void Render()
{
View.Validate();
GlobalEvent.OnDrawBackground();
foreach (var instance in Instance.All)
{
instance.OnDraw();
}
GlobalEvent.OnDrawForeground();
Time.UpdateFps();
}
/// <summary>
/// Performs a game loop. This includes the following phases, in order:
/// - Begin step
/// - Handle queued asynchronous actions
/// - Keyboard, key press, key release
/// - Mouse, mouse press, mouse release
/// - Step
/// - Collision
/// - End step
/// </summary>
public static void Loop()
{
Time.Loop();
GlobalEvent.OnBeginStep();
_do <GameObject>(obj => obj.OnBeginStep());
Async.HandleEvents();
_handleInput();
GlobalEvent.OnStep();
_do(obj => obj.OnStep());
_detectCollisions();
GlobalEvent.OnEndStep();
_do <GameObject>(obj => obj.OnEndStep());
Instance.Sort();
}
private static void _handleInput()
{
foreach (var key in Keyboard.Down)
{
GlobalEvent.OnKey(key);
_do <IKeyListener>(i => i.OnKey(key));
}
foreach (var key in Keyboard.Pressed)
{
GlobalEvent.OnKeyPressed(key);
_do <IKeyPressListener>(i => i.OnKeyPress(key));
}
foreach (var key in Keyboard.Released)
{
GlobalEvent.OnKeyReleased(key);
_do <IKeyReleaseListener>(i => i.OnKeyRelease(key));
}
foreach (var button in Mouse.Down)
{
_doMouseClick <IMouseListener>(i => i.OnMouse(button));
}
foreach (var button in Mouse.Pressed)
{
_doMouseClick <IMousePressListener>(i => i.OnMousePress(button));
}
foreach (var button in Mouse.Released)
{
_doMouseClick <IMouseReleaseListener>(i => i.OnMouseRelease(button));
}
if (Mouse.WheelDelta != 0)
{
_doMouseClick <IMouseWheelListener>(i => i.OnMouseWheel(Mouse.WheelDelta));
}
foreach (var button in Mouse.Down)
{
_do <IGlobalMouseListener>(i => i.OnGlobalMouse(button));
GlobalEvent.OnMouse(button);
}
foreach (var button in Mouse.Pressed)
{
_do <IGlobalMousePressListener>(i => i.OnGlobalMousePress(button));
GlobalEvent.OnMousePressed(button);
}
foreach (var button in Mouse.Released)
{
_do <IGlobalMouseReleaseListener>(i => i.OnGlobalMouseRelease(button));
GlobalEvent.OnMouseReleased(button);
}
if (Mouse.WheelDelta != 0)
{
_do <IGlobalMouseWheelListener>(i => i.OnGlobalMouseWheel(Mouse.WheelDelta));
GlobalEvent.OnMouseWheel(Mouse.WheelDelta);
}
Keyboard.Update();
Mouse.Update();
}