// Draws current collection of screens and components
public static void Draw(GameTime gameTime, ComponentPredicate DrawPredicate)
{
Engine.GameTime = gameTime;
List<GameScreen> drawing = new List<GameScreen>();
// Clear back buffer
GraphicsDevice.Clear(Color.CornflowerBlue);
// Populate temp list if screen is visible
foreach (GameScreen screen in GameScreens)
if (screen.Visible)
drawing.Add(screen);
// BlocksDraw and OverrideDrawBlocked logic
for (int i = GameScreens.Count - 1; i >= 0; i--)
if (GameScreens[i].BlocksDraw)
{
if (i > 0)
for (int j = i - 1; j >= 0; j--)
{
if (!GameScreens[j].OverrideDrawBlocked)
drawing.Remove(GameScreens[j]);
}
break;
}
// Draw the remaining screens
foreach (GameScreen screen in drawing)
{
if (screen.Initialized)
screen.Draw(DrawPredicate);
if (screen.Equals(Engine.BackgroundScreen))
blur.Draw();
}
}
// Draw screen and its components.
// Accepts ComponentType to tell what kind of components to draw.
// Useful for drawing a reflection into a render target without
// 2D components getting in the way
public virtual void Draw(ComponentPredicate DrawPredicate)
{
//position of cursor
//if (IsMouseVisible)
//{
// Vector2 position = new Vector2(Mouse.GetState().X, Mouse.GetState().Y);
// cursor.Begin();
// cursor.Draw(cursorTexture, position, Color.White);
// cursor.End();
//}
// Temp list
List<Component> drawing = new List<Component>();
foreach (Component component in Components.InDrawOrder)
if (DrawPredicate.IsComponentEligible(component))
drawing.Add(component);
// Keep list of components that are 2D so we can draw them
// on top of 3D components
List<Component> defer2D = new List<Component>();
foreach (Component component in drawing)
if (component.Visible && component.Initialized)
{
if (component is I2DComponent)
defer2D.Add(component);
else
component.Draw();
}
// Draw 2D components
foreach (Component component in defer2D)
component.Draw();
}