Cleaned up implementation of beatmap combo colors.

Added getComboColors() method to Beatmap class, and the 'combo' field is now null if no combo is provided.

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

src/itdelatrisu/opsu/beatmap/Beatmap.java

@@ -179,12 +179,9 @@ public class Beatmap implements Comparable<Beatmap> {
 	 * [Colours]
 	 */
 
-	/** Combo colors (max 8). */
+	/** Combo colors (max 8). If null, the skin value is used. */
 	public Color[] combo;
 
-	/** Whether the combo is the default skin combo (true) or a beatmap combo (false). */
-	public boolean isDefaultCombo = true;
-
 	/** Slider border color. If null, the skin value is used. */
 	public Color sliderBorder;
 
@@ -260,6 +257,15 @@ public class Beatmap implements Comparable<Beatmap> {
 		return (Options.useUnicodeMetadata() && !artistUnicode.isEmpty()) ? artistUnicode : artist;
 	}
 
+	/**
+	 * Returns the list of combo colors (max 8).
+	 * If the beatmap does not provide colors, the skin colors will be returned instead.
+	 * @return the combo colors
+	 */
+	public Color[] getComboColors() {
+		return (combo != null) ? combo : Options.getSkin().getComboColors();
+	}
+
 	/**
 	 * Returns the slider border color.
 	 * If the beatmap does not provide a color, the skin color will be returned instead.
@@ -414,7 +420,7 @@ public class Beatmap implements Comparable<Beatmap> {
 	 * or null if the field is null or the default combo.
 	 */
 	public String comboToString() {
-		if (combo == null || isDefaultCombo)
+		if (combo == null)
 			return null;
 
 		StringBuilder sb = new StringBuilder();
@@ -437,8 +443,6 @@ public class Beatmap implements Comparable<Beatmap> {
 	 * @param s the string
 	 */
 	public void comboFromString(String s) {
-		this.combo = Options.getSkin().getComboColors();
-		this.isDefaultCombo = true;
 		if (s == null)
 			return;
 
@@ -448,10 +452,8 @@ public class Beatmap implements Comparable<Beatmap> {
 			String[] rgb = tokens[i].split(",");
 			colors.add(new Color(Integer.parseInt(rgb[0]), Integer.parseInt(rgb[1]), Integer.parseInt(rgb[2])));
 		}
-		if (!colors.isEmpty()) {
+		if (!colors.isEmpty())
 			this.combo = colors.toArray(new Color[colors.size()]);
-			this.isDefaultCombo = false;
-		}
 	}
 
 	/**

src/itdelatrisu/opsu/beatmap/BeatmapParser.java

@@ -19,7 +19,6 @@
 package itdelatrisu.opsu.beatmap;
 
 import itdelatrisu.opsu.ErrorHandler;
-import itdelatrisu.opsu.Options;
 import itdelatrisu.opsu.Utils;
 import itdelatrisu.opsu.db.BeatmapDB;
 
@@ -532,10 +531,8 @@ public class BeatmapParser {
 									line, file.getAbsolutePath()), e);
 						}
 					}
-					if (!colors.isEmpty()) {
+					if (!colors.isEmpty())
 						beatmap.combo = colors.toArray(new Color[colors.size()]);
-						beatmap.isDefaultCombo = false;
-					}
 					break;
 				case "[HitObjects]":
 					int type = 0;
@@ -589,12 +586,6 @@ public class BeatmapParser {
 		if (beatmap.audioFilename == null)
 			return null;
 
-		// if no custom colors, use the default color scheme
-		if (beatmap.combo == null) {
-			beatmap.combo = Options.getSkin().getComboColors();
-			beatmap.isDefaultCombo = true;
-		}
-
 		// parse hit objects now?
 		if (parseObjects)
 			parseHitObjects(beatmap);
@@ -627,6 +618,7 @@ public class BeatmapParser {
 			}
 
 			// combo info
+			Color[] combo = beatmap.getComboColors();
 			int comboIndex = 0;   // color index
 			int comboNumber = 1;  // combo number
 
@@ -654,7 +646,7 @@ public class BeatmapParser {
 					if (hitObject.isNewCombo() || first) {
 						int skip = (hitObject.isSpinner() ? 0 : 1) + hitObject.getComboSkip();
 						for (int i = 0; i < skip; i++) {
-							comboIndex = (comboIndex + 1) % beatmap.combo.length;
+							comboIndex = (comboIndex + 1) % combo.length;
 							comboNumber = 1;
 						}
 						first = false;

src/itdelatrisu/opsu/states/Game.java

@@ -1057,6 +1057,7 @@ public class Game extends BasicGameState {
 			}
 
 			// initialize object maps
+			Color[] combo = beatmap.getComboColors();
 			for (int i = 0; i < beatmap.objects.length; i++) {
 				HitObject hitObject = beatmap.objects[i];
 
@@ -1065,7 +1066,7 @@ public class Game extends BasicGameState {
 				if (i + 1 < beatmap.objects.length && beatmap.objects[i + 1].isNewCombo())
 					comboEnd = true;
 
-				Color color = beatmap.combo[hitObject.getComboIndex()];
+				Color color = combo[hitObject.getComboIndex()];
 
 				// pass beatLength to hit objects
 				int hitObjectTime = hitObject.getTime();
@@ -1267,7 +1268,7 @@ public class Game extends BasicGameState {
 	public void loadBeatmap(Beatmap beatmap) {
 		this.beatmap = beatmap;
 		Display.setTitle(String.format("%s - %s", game.getTitle(), beatmap.toString()));
-		if (beatmap.timingPoints == null || beatmap.combo == null)
+		if (beatmap.timingPoints == null)
 			BeatmapDB.load(beatmap, BeatmapDB.LOAD_ARRAY);
 		BeatmapParser.parseHitObjects(beatmap);
 		HitSound.setDefaultSampleSet(beatmap.sampleSet);