public override void Draw(GameTime gameTime, Frame frame)
{
ClearBatch.AddNew(frame, 4, Materials.Clear, clearColor: new Color(16, 32, 48));
var alphaGeometry = Materials.Get(Materials.ScreenSpaceGeometry, blendState: BlendState.AlphaBlend);
using (var gb = GeometryBatch.New(frame, 5, alphaGeometry)) {
gb.AddGradientFilledQuad(
Vector2.Zero, new Vector2(Graphics.PreferredBackBufferWidth, Graphics.PreferredBackBufferHeight),
Color.DarkSlateGray, Color.DarkSlateGray,
Color.SlateBlue, Color.SlateBlue
);
}
using (var gb = GeometryBatch.New(frame, 6, alphaGeometry)) {
var alphaBlack = new Color(0, 0, 0, 192);
var alphaBlack2 = new Color(0, 0, 0, 64);
gb.AddQuadBorder(
Playfield.Bounds.TopLeft + new Vector2(32 + 24, 0),
Playfield.Bounds.BottomRight + new Vector2(-32 - 24, 0),
alphaBlack2, alphaBlack, 24
);
}
// Render the contents of the trail buffer to the screen using additive blending
using (var bb = BitmapBatch.New(frame, 7, Materials.Trail)) {
bb.Add(new BitmapDrawCall(
TrailBuffer, Vector2.Zero, (float)TrailScale
));
}
// Render the paddles and ball to both the framebuffer and the trail buffer (note the different layer values)
using (var gb = GeometryBatch.New(frame, 8, alphaGeometry))
using (var gb2 = GeometryBatch.New(frame, 9, alphaGeometry))
using (var trailBatch = GeometryBatch.New(frame, 2, alphaGeometry)) {
foreach (var paddle in Paddles) {
gb.AddFilledQuad(
paddle.Bounds.TopLeft, paddle.Bounds.BottomRight, Color.White
);
gb2.AddQuadBorder(
paddle.Bounds.TopLeft, paddle.Bounds.BottomRight, Color.Black, Color.Black, 2.25f
);
trailBatch.AddFilledQuad(
paddle.Bounds.TopLeft, paddle.Bounds.BottomRight, Color.White
);
}
gb.AddFilledRing(Ball.Position, 0.0f, Ball.Radius, Color.White, Color.White);
gb2.AddFilledRing(Ball.Position, Ball.Radius, Ball.Radius + 2.0f, Color.Black, Color.Black);
trailBatch.AddFilledRing(Ball.Position, 0.0f, Ball.Radius, Color.White, Color.White);
}
// Render the score values using a stringbatch (unfortunately this uses spritebatch to render spritefonts :( )
{
var ir = new ImperativeRenderer(frame, Materials, 10, blendState: BlendState.AlphaBlend);
ir.DrawString(
Font, String.Format("Player 1: {0:00}", Scores[0]),
new Vector2(16, 16)
);
var player2Text = String.Format("Player 2: {0:00}", Scores[1]);
ir.DrawString(
Font, player2Text,
new Vector2(Graphics.PreferredBackBufferWidth - 16 - Font.MeasureString(player2Text).X, 16)
);
}
// The first stage of our frame involves selecting the trail buffer as our render target (note that it's layer 0)
SetRenderTargetBatch.AddNew(frame, 0, TrailBuffer);
if (FirstFrame) {
// If it's the first time we've rendered, we erase the trail buffer since it could contain anything
ClearBatch.AddNew(frame, 1, Materials.Clear, clearColor: Color.Black);
FirstFrame = false;
} else {
// Otherwise, we fade out the contents of the trail buffer
using (var gb = GeometryBatch.New(frame, 1, Materials.SubtractiveGeometry)) {
gb.AddFilledQuad(
new Bounds(Vector2.Zero, new Vector2(Graphics.PreferredBackBufferWidth, Graphics.PreferredBackBufferHeight)),
new Color(12, 12, 12, 0)
);
}
}
// After the trail buffer has been updated, we turn it off and begin rendering to the framebuffer. Note layer 3.
SetRenderTargetBatch.AddNew(frame, 3, null);
}
public virtual void Draw(Game game, ref ImperativeRenderer renderer, Vector2 itemPosition, Vector2 itemSize, bool selected)
{
if (Text == null)
return;
renderer.DrawString(
Font, Text, itemPosition,
(selected) ? Color.White : new Color(127, 127, 127, 255)
);
}
private void DrawHud(Frame frame)
{
Rectangle titleSafeArea = GraphicsDevice.Viewport.TitleSafeArea;
Vector2 hudLocation = new Vector2(titleSafeArea.X, titleSafeArea.Y);
Vector2 center = new Vector2(titleSafeArea.X + titleSafeArea.Width / 2.0f,
titleSafeArea.Y + titleSafeArea.Height / 2.0f);
// Draw time remaining. Uses modulo division to cause blinking when the
// player is running out of time.
string timeString = "TIME: " + level.TimeRemaining.Minutes.ToString("00") + ":" + level.TimeRemaining.Seconds.ToString("00");
Color timeColor;
if (level.TimeRemaining > WarningTime ||
level.ReachedExit ||
(int)level.TimeRemaining.TotalSeconds % 2 == 0) {
timeColor = Color.Yellow;
} else {
timeColor = Color.Red;
}
var renderer = new ImperativeRenderer(frame, materials, 100, blendState: BlendState.AlphaBlend);
renderer.DrawString(hudFont, timeString, hudLocation, timeColor, sortKey: 1);
renderer.DrawString(hudFont, timeString, hudLocation + Vector2.One, Color.Black, sortKey: 0);
var timeHeight = hudFont.MeasureString(timeString).Y;
hudLocation.Y = (float)Math.Floor(hudLocation.Y + (timeHeight * 1.2f));
var scoreText = "SCORE: " + level.Score;
renderer.DrawString(hudFont, scoreText, hudLocation, Color.Yellow, sortKey: 1);
renderer.DrawString(hudFont, scoreText, hudLocation + Vector2.One, Color.Black, sortKey: 0);
// Determine the status overlay message to show.
Texture2D status = null;
if (level.TimeRemaining == TimeSpan.Zero) {
if (level.ReachedExit) {
status = winOverlay;
} else {
status = loseOverlay;
}
} else if (!level.Player.IsAlive) {
status = diedOverlay;
}
if (status != null) {
// Draw status message.
Vector2 statusSize = new Vector2(status.Width, status.Height);
renderer.Draw(status, center - statusSize / 2);
}
}
public void Draw(Frame frame, ref ImperativeRenderer renderer)
{
if (HideWhenPaused && Game.Paused)
return;
int layerOffset = 0;
var t = (float)Time.Seconds - OpenedWhen;
float opacity;
if (t <= FadeInTime) {
opacity = MathHelper.Lerp(0.0f, 1.0f, t / FadeInTime);
} else if (t <= FadeInTime + HoldDuration) {
opacity = 1.0f;
layerOffset = 2;
} else {
if ((Style & MessageStyle.AutoClose) == MessageStyle.AutoClose) {
opacity = MathHelper.Lerp(1.0f, 0.0f, (t - (FadeInTime + HoldDuration)) / FadeOutTime);
} else {
opacity = 1.0f;
layerOffset = 2;
}
}
var size = Game.UIText.MeasureString(Text);
var clippedSize = new Vector2(size.X, size.Y);
if (clippedSize.X > 1000)
clippedSize.X = 1000;
var tl = new Vector2(
(Game.ViewportWidth - clippedSize.X),
(Game.ViewportHeight - clippedSize.Y)
) * Alignment.GetValueOrDefault(new Vector2(0.5f, 0.5f));
var br = tl + clippedSize;
var border = BorderSize;
var colorInner = new Color(0.0f, 0.0f, 0.0f, BackgroundOpacity * opacity);
var colorOuter = new Color(0.0f, 0.0f, 0.0f, 0.0f);
renderer.FillRectangle(new Bounds(tl, br), colorInner);
renderer.Layer += 1;
renderer.DrawString(Game.UIText, Text, tl);
}