Animated the score display.

Signed-off-by: Jeffrey Han <[email protected]>

src/itdelatrisu/opsu/GameScore.java

@@ -159,6 +159,11 @@ public OsuHitObjectResult(int time, int result, float x, float y, Color color) {
 	 */
 	private long score;
 
+	/**
+	 * Displayed game score (for animation, slightly behind score).
+	 */
+	private long scoreDisplay;
+
 	/**
 	 * Current health bar percentage.
 	 */
@@ -249,6 +254,7 @@ public GameScore(int width, int height) {
 	 */
 	public void clear() {
 		score = 0;
+		scoreDisplay = 0;
 		health = 100f;
 		hitResultCount = new int[HIT_MAX];
 		hitResultList = new LinkedList<OsuHitObjectResult>();
@@ -432,7 +438,7 @@ private void drawSymbolString(String str, int x, int y, float scale, boolean rig
 	 */
 	public void drawGameElements(Graphics g, int mapLength, boolean breakPeriod, boolean firstObject) {
 		// score
-		drawSymbolString(String.format("%08d", score),
+		drawSymbolString(String.format("%08d", scoreDisplay),
 				width - 2, 0, 1.0f, true);
 
 		// score percentage
@@ -670,8 +676,21 @@ else if (hit300ratio >= 60f)
 			return GRADE_D;
 	}
 
+	/**
+	 * Updates the score display based on a delta value.
+	 * @param delta the delta interval since the last call
+	 */
+	public void updateScoreDisplay(int delta) {
+		if (scoreDisplay < score) {
+			scoreDisplay += (score - scoreDisplay) * delta / 50 + 1;
+			if (scoreDisplay > score)
+				scoreDisplay = score;
+		}
+	}
+
 	/**
 	 * Updates combo burst data based on a delta value.
+	 * @param delta the delta interval since the last call
 	 */
 	public void updateComboBurst(int delta) {
 		if (comboBurstIndex > -1 && Options.isComboBurstEnabled()) {

src/itdelatrisu/opsu/states/Game.java

@@ -498,6 +498,8 @@ else if (!container.hasFocus()) {
 			return;
 		}
 
+		score.updateScoreDisplay(delta);
+
 		// map complete!
 		if (objectIndex >= osu.objects.length) {
 			game.enterState(Opsu.STATE_GAMERANKING, new FadeOutTransition(Color.black), new FadeInTransition(Color.black));
@@ -558,6 +560,8 @@ else if (!container.hasFocus()) {
 			game.enterState(Opsu.STATE_GAMEPAUSEMENU);
 		}
 
+		score.updateComboBurst(delta);
+
 		// drain health
 		score.changeHealth(delta / -200f);
 		if (!score.isAlive()) {
@@ -566,8 +570,6 @@ else if (!container.hasFocus()) {
 			game.enterState(Opsu.STATE_GAMEPAUSEMENU);
 		}
 
-		score.updateComboBurst(delta);
-
 		// update objects (loop in unlikely event of any skipped indexes)
 		while (objectIndex < osu.objects.length && trackPosition > osu.objects[objectIndex].time) {
 			OsuHitObject hitObject = osu.objects[objectIndex];