/// <summary>
/// Draws the menu.
/// </summary>
public override void Draw(GameTime gameTime)
{
SpriteBatch spriteBatch = ScreenManager.SpriteBatch;
SpriteFont font = ScreenManager.Font;
if (this is MessageBoxScreen)
{
// make sure our entries are in the right place before we draw them
UpdateMessageBoxMenuEntryLocations();
// Darken down any other screens that were drawn beneath the popup.
ScreenManager.FadeBackBufferToBlack(TransitionAlpha * 7 / 10);
// Center the message text in the viewport.
Viewport viewport = ScreenManager.GraphicsDevice.Viewport;
Vector2 viewportSize = new Vector2(viewport.Width, viewport.Height);
Vector2 textSize = new Vector2(gradientTexture.Width, gradientTexture.Height);
Vector2 textPosition = textSize / 6;
// The background includes a border somewhat larger than the text itself.
const int hPad = 320;
const int vPad = 140;
Rectangle backgroundRectangle = new Rectangle((int)textPosition.X - hPad,
(int)textPosition.Y - vPad,
(int)(textSize.X * 1.1),
(int)(textSize.Y * 1.1));
// Fade the popup alpha during transitions.
Color color = Color.White * TransitionAlpha;
GraphicsDevice graphics = ScreenManager.GraphicsDevice;
spriteBatch.Begin();
// Draw the background rectangle.
spriteBatch.Draw(gradientTexture, backgroundRectangle, color);
// Draw each menu entry in turn.
for (int i = 0; i < menuEntries.Count; i++)
{
MenuEntry menuEntry = menuEntries[i];
bool isSelected = IsActive && (i == selectedEntry);
menuEntry.Draw(this, isSelected, gameTime);
}
// Make the menu slide into place during transitions, using a
// power curve to make things look more interesting (this makes
// the movement slow down as it nears the end).
float transitionOffset = (float)Math.Pow(TransitionPosition, 2);
// Draw the menu title centered on the screen
Vector2 titlePosition = new Vector2(graphics.Viewport.Width / 2, 250f);
Vector2 titlePosition2 = new Vector2((graphics.Viewport.Width / 2) - 1, 249f);
Vector2 titleOrigin = font.MeasureString(menuTitle) / 2;
float titleScale = 1.25f;
// titlePosition.Y -= transitionOffset * 100;
spriteBatch.DrawString(font, menuTitle, titlePosition, Color.Black, 0,
titleOrigin, titleScale, SpriteEffects.None, 0);
spriteBatch.DrawString(font, menuTitle, titlePosition2, Color.Violet, 0,
titleOrigin, titleScale, SpriteEffects.None, 0);
spriteBatch.End();
}
else
{
// make sure our entries are in the right place before we draw them
UpdateMenuEntryLocations();
if (!(this is MainMenuScreen))
{
// Darken down any other screens that were drawn beneath the popup.
ScreenManager.FadeBackBufferToBlack(TransitionAlpha * 4 / 5);
}
GraphicsDevice graphics = ScreenManager.GraphicsDevice;
spriteBatch.Begin();
// Draw each menu entry in turn.
for (int i = 0; i < menuEntries.Count; i++)
{
MenuEntry menuEntry = menuEntries[i];
bool isSelected = IsActive && (i == selectedEntry);
menuEntry.Draw(this, isSelected, gameTime);
}
// Make the menu slide into place during transitions, using a
// power curve to make things look more interesting (this makes
// the movement slow down as it nears the end).
float transitionOffset = (float)Math.Pow(TransitionPosition, 2);
// Draw the menu title centered on the screen
Vector2 titlePosition = new Vector2(graphics.Viewport.Width / 2, 80);
Vector2 titleOrigin = font.MeasureString(menuTitle) / 2;
Color titleColor = new Color(192, 192, 192) * TransitionAlpha;
float titleScale = 1.25f;
titlePosition.Y -= transitionOffset * 100;
spriteBatch.DrawString(font, menuTitle, titlePosition, titleColor, 0,
titleOrigin, titleScale, SpriteEffects.None, 0);
spriteBatch.End();
ScreenManager.GraphicsDevice.RasterizerState = RasterizerState.CullNone;
ScreenManager.GraphicsDevice.BlendState = BlendState.Opaque;
ScreenManager.GraphicsDevice.DepthStencilState = DepthStencilState.Default;
ScreenManager.GraphicsDevice.SamplerStates[0] = SamplerState.LinearWrap;
}
}
