Color unplayed beatmaps pink in the menu.

Signed-off-by: Jeffrey Han <itdelatrisu@gmail.com>

src/itdelatrisu/opsu/beatmap/BeatmapSet.java

@@ -208,4 +208,15 @@ public class BeatmapSet implements Iterable<Beatmap> {
 			BeatmapDB.updateFavoriteStatus(map);
 		}
 	}
+
+	/**
+	 * Returns whether any beatmap in this set has been played.
+	 */
+	public boolean isPlayed() {
+		for (Beatmap map : beatmaps) {
+			if (map.playCount > 0)
+				return true;
+		}
+		return false;
+	}
 }

src/itdelatrisu/opsu/beatmap/BeatmapSetNode.java

@@ -75,7 +75,7 @@ public class BeatmapSetNode {
 	public void draw(float x, float y, Grade grade, boolean focus) {
 		Image bg = GameImage.MENU_BUTTON_BG.getImage();
 		boolean expanded = (beatmapIndex > -1);
-		Beatmap beatmap;
+		Beatmap beatmap = beatmapSet.get(expanded ? beatmapIndex : 0);
 		bg.setAlpha(0.9f);
 		Color bgColor;
 		Color textColor = Options.getSkin().getSongSelectInactiveTextColor();
@@ -88,11 +88,10 @@ public class BeatmapSetNode {
 				textColor = Options.getSkin().getSongSelectActiveTextColor();
 			} else
 				bgColor = Colors.BLUE_BUTTON;
-			beatmap = beatmapSet.get(beatmapIndex);
-		} else {
+		} else if (beatmapSet.isPlayed())
 			bgColor = Colors.ORANGE_BUTTON;
-			beatmap = beatmapSet.get(0);
-		}
+		else
+			bgColor = Colors.PINK_BUTTON;
 		bg.draw(x, y, bgColor);
 
 		float cx = x + (bg.getWidth() * 0.043f);