Very minor formatting changes to #76.

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

src/itdelatrisu/opsu/objects/Slider.java

@@ -460,7 +460,7 @@ public class Slider implements HitObject {
 
 		if (hitObject.getSliderType() == OsuHitObject.SLIDER_PASSTHROUGH && hitObject.getSliderX().length == 2)
 			this.curve = new CircumscribedCircle(hitObject, color);
-		else if ( hitObject.getSliderType() == OsuHitObject.SLIDER_CATMULL)
+		else if (hitObject.getSliderType() == OsuHitObject.SLIDER_CATMULL)
 			this.curve = new CatmullCurve(hitObject, color);
 		else
 			this.curve = new LinearBezier(hitObject, color, hitObject.getSliderType() == OsuHitObject.SLIDER_LINEAR);

src/itdelatrisu/opsu/objects/curves/Bezier2.java

@@ -23,7 +23,7 @@ package itdelatrisu.opsu.objects.curves;
  *
  * @author fluddokt (https://github.com/fluddokt)
  */
-public class Bezier2 extends CurveType{
+public class Bezier2 extends CurveType {
 	/** The control points of the Bezier curve. */
 	private Vec2f[] points;
 
@@ -55,12 +55,11 @@ public class Bezier2 extends CurveType{
 		return c;
 	}
 
-
 	/**
 	 * Calculates the binomial coefficient.
 	 * http://en.wikipedia.org/wiki/Binomial_coefficient#Binomial_coefficient_in_programming_languages
 	 */
-	public static long binomialCoefficient(int n, int k) {
+	private static long binomialCoefficient(int n, int k) {
 		if (k < 0 || k > n)
 			return 0;
 		if (k == 0 || k == n)

src/itdelatrisu/opsu/objects/curves/CatmullCurve.java

@@ -18,19 +18,20 @@
 
 package itdelatrisu.opsu.objects.curves;
 
-import java.util.LinkedList;
+import itdelatrisu.opsu.ErrorHandler;
-
 import itdelatrisu.opsu.OsuHitObject;
 
+import java.util.LinkedList;
+
 import org.newdawn.slick.Color;
+import org.newdawn.slick.SlickException;
 
 /**
  * Representation of Catmull Curve with equidistant points.
  *
  * @author fluddokt (https://github.com/fluddokt)
  */
-public class CatmullCurve extends EqualDistanceMultiCurve{
+public class CatmullCurve extends EqualDistanceMultiCurve {
-
 	/**
 	 * Constructor.
 	 * @param hitObject the associated OsuHitObject
@@ -40,8 +41,7 @@ public class CatmullCurve extends EqualDistanceMultiCurve{
 		super(hitObject, color);
 		LinkedList<CurveType> catmulls = new LinkedList<CurveType>();
 		int ncontrolPoints = hitObject.getSliderX().length + 1;
-		// temporary list of points to separate different curves
+		LinkedList<Vec2f> points = new LinkedList<Vec2f>();  // temporary list of points to separate different curves
-		LinkedList<Vec2f> points = new LinkedList<Vec2f>();
 
 		// repeat the first and last points as controls points
 		// aabb
@@ -51,14 +51,23 @@ public class CatmullCurve extends EqualDistanceMultiCurve{
 		for (int i = 0; i < ncontrolPoints; i++) {
 			points.addLast(new Vec2f(getX(i), getY(i)));
 			if (points.size() >= 4) {
+				try {
 					catmulls.add(new CentripetalCatmullRom(points.toArray(new Vec2f[0])));
+				} catch (SlickException e) {
+					ErrorHandler.error(null, e, true);
+				}
 				points.removeFirst();
 			}
 		}
-		points.addLast(new Vec2f(getX(ncontrolPoints - 1),getY(ncontrolPoints - 1)));
+		points.addLast(new Vec2f(getX(ncontrolPoints - 1), getY(ncontrolPoints - 1)));
 		if (points.size() >= 4) {
+			try {
 				catmulls.add(new CentripetalCatmullRom(points.toArray(new Vec2f[0])));
+			} catch (SlickException e) {
+				ErrorHandler.error(null, e, true);
 			}
+		}
+
 		init(catmulls);
 	}
 }

src/itdelatrisu/opsu/objects/curves/CentripetalCatmullRom.java

@@ -18,30 +18,30 @@
 
 package itdelatrisu.opsu.objects.curves;
 
+import org.newdawn.slick.SlickException;
+
 /**
  * Representation of a Centripetal Catmull–Rom spline.
+ * (Currently not technically Centripetal Catmull–Rom.)
  * http://en.wikipedia.org/wiki/Centripetal_Catmull%E2%80%93Rom_spline
  *
- * Currently not technically Centripetal Catmull–Rom
- * 
  * @author fluddokt (https://github.com/fluddokt)
  */
-public class CentripetalCatmullRom extends CurveType{
+public class CentripetalCatmullRom extends CurveType {
-
 	/** The time values of the Catmull curve. */
-	float [] time;
+	private float [] time;
 
 	/** The control points of the Catmull curve. */
-	Vec2f[] points;
+	private Vec2f[] points;
 
 	/**
 	 * Constructor.
-	 * @param hitObject the associated OsuHitObject
+	 * @param points the control points of the curve
-	 * @param color the color of this curve
+	 * @throws SlickException
 	 */
-	protected CentripetalCatmullRom(Vec2f[] points) {
+	protected CentripetalCatmullRom(Vec2f[] points) throws SlickException {
 		if (points.length != 4)
-			throw new Error("need exactly 4 points");
+			throw new SlickException(String.format("Need exactly 4 points to initialize CentripetalCatmullRom, %d provided.", points.length));
 
 		this.points = points;
 		time = new float[4];
@@ -57,12 +57,12 @@ public class CentripetalCatmullRom extends CurveType{
 			// time[i] = (float) Math.sqrt(len) + time[i-1];// ^(0.5)
 			time[i] = i;
 		}
+
 		init(approxLength / 2);
 	}
 
-	
 	@Override
-	public Vec2f pointAt(float t){
+	public Vec2f pointAt(float t) {
 		t = t * (time[2] - time[1]) + time[1];
 
 		Vec2f A1 = points[0].cpy().scale((time[1] - t) / (time[1] - time[0]))
@@ -82,5 +82,4 @@ public class CentripetalCatmullRom extends CurveType{
 
 		return C;
 	}
-
 }

src/itdelatrisu/opsu/objects/curves/CircumscribedCircle.java

@@ -168,7 +168,6 @@ public class CircumscribedCircle extends Curve {
 		};
 	}
 
-
 	@Override
 	public float getEndAngle() { return drawEndAngle; }
 

src/itdelatrisu/opsu/objects/curves/Curve.java

@@ -31,8 +31,7 @@ import org.newdawn.slick.Image;
  * @author fluddokt (https://github.com/fluddokt)
  */
 public abstract class Curve {
-	
+	/** Points generated along the curve should be spaced this far apart. */
-	/** Points generated along the curve should be spaced this much apart*/
 	protected static float CURVE_POINTS_SEPERATION = 5;
 
 	/** The associated OsuHitObject. */
@@ -44,7 +43,7 @@ public abstract class Curve {
 	/** The scaled slider x, y coordinate lists. */
 	protected float[] sliderX, sliderY;
 
-	/** Points along the curve. To be set be inherited classes*/
+	/** Points along the curve (set by inherited classes). */
 	protected Vec2f[] curve;
 
 	/**
@@ -72,9 +71,9 @@ public abstract class Curve {
 	 * @param color the color filter
 	 */
 	public void draw(Color color) {
-		if (curve == null){
+		if (curve == null)
 			return;
-		}
+
 		Image hitCircle = GameImage.HITCIRCLE.getImage();
 		Image hitCircleOverlay = GameImage.HITCIRCLE_OVERLAY.getImage();
 		for (int i = 0; i < curve.length; i++)

src/itdelatrisu/opsu/objects/curves/CurveType.java

@@ -24,7 +24,6 @@ package itdelatrisu.opsu.objects.curves;
  * @author fluddokt (https://github.com/fluddokt)
  */
 public abstract class CurveType {
-
 	/** Points along the curve of the Bezier curve. */
 	private Vec2f[] curve;
 
@@ -45,9 +44,8 @@ public abstract class CurveType {
 	public abstract Vec2f pointAt(float t);
 
 	/**
-	 * Initialize the curve points and distance
+	 * Initialize the curve points and distance.
-	 * Must be called by inherited classes
+	 * Must be called by inherited classes.
-	 * 
 	 * @param approxlength an approximate length of the curve
 	 */
 	public void init(float approxlength) {
@@ -65,6 +63,7 @@ public abstract class CurveType {
 			totalDistance += curveDis[i];
 		}
 	}
+
 	/**
 	 * Returns the points along the curve of the Bezier curve.
 	 */
@@ -84,5 +83,4 @@ public abstract class CurveType {
 	 * Returns the total distances of this Bezier curve.
 	 */
 	public float totalDistance() { return totalDistance; }
-
 }

src/itdelatrisu/opsu/objects/curves/EqualDistanceMultiCurve.java

@@ -45,13 +45,11 @@ public abstract class EqualDistanceMultiCurve extends Curve {
 	 */
 	public EqualDistanceMultiCurve(OsuHitObject hitObject, Color color) {
 		super(hitObject, color);
-
 	}
 
 	/**
-	 * Initialize the curve points with equal distance
+	 * Initialize the curve points with equal distance.
-	 * Must be called by inherited classes
+	 * Must be called by inherited classes.
-	 * 
 	 * @param curvesList a list of curves to join
 	 */
 	public void init(LinkedList<CurveType> curvesList){

src/itdelatrisu/opsu/objects/curves/LinearBezier.java

@@ -19,6 +19,7 @@
 package itdelatrisu.opsu.objects.curves;
 
 import itdelatrisu.opsu.OsuHitObject;
+
 import java.util.LinkedList;
 
 import org.newdawn.slick.Color;
@@ -30,11 +31,11 @@ import org.newdawn.slick.Color;
  * @author fluddokt (https://github.com/fluddokt)
  */
 public class LinearBezier extends EqualDistanceMultiCurve {
-
 	/**
 	 * Constructor.
 	 * @param hitObject the associated OsuHitObject
 	 * @param color the color of this curve
+	 * @param line whether a new curve should be generated for each sequential pair
 	 */
 	public LinearBezier(OsuHitObject hitObject, Color color, boolean line) {
 		super(hitObject, color);
@@ -45,14 +46,13 @@ public class LinearBezier extends EqualDistanceMultiCurve {
 		// a b c - c d - d e f g
 		// Lines: generate a new curve for each sequential pair
 		// ab  bc  cd  de  ef  fg
-		
 		int controlPoints = hitObject.getSliderX().length + 1;
 		LinkedList<Vec2f> points = new LinkedList<Vec2f>();  // temporary list of points to separate different Bezier curves
 		Vec2f lastPoi = null;
 		for (int i = 0; i < controlPoints; i++) {
 			Vec2f tpoi = new Vec2f(getX(i), getY(i));
 			if (line) {
-				if(lastPoi != null) {
+				if (lastPoi != null) {
 					points.add(tpoi);
 					beziers.add(new Bezier2(points.toArray(new Vec2f[0])));
 					points.clear();

src/itdelatrisu/opsu/objects/curves/Vec2f.java

@@ -120,7 +120,6 @@ public class Vec2f {
 	 */
 	public boolean equals(Vec2f o) { return (x == o.x && y == o.y); }
 
-	public String toString(){
+	@Override
-		return "Vec2f:"+x+" "+y;
+	public String toString() { return String.format("(%.3f, %.3f)", x, y); }
-	}
 }

src/itdelatrisu/opsu/states/Game.java

@@ -1044,8 +1044,6 @@ public class Game extends BasicGameState {
 			resetGameData();
 
 			// load the first timingPoint for stacking
-			timingPointIndex = 0;
-			beatLengthBase = beatLength = 1;
 			if (!osu.timingPoints.isEmpty()) {
 				OsuTimingPoint timingPoint = osu.timingPoints.get(0);
 				if (!timingPoint.isInherited()) {
@@ -1053,6 +1051,7 @@ public class Game extends BasicGameState {
 					timingPointIndex++;
 				}
 			}
+
 			// initialize object maps
 			for (int i = 0; i < osu.objects.length; i++) {
 				OsuHitObject hitObject = osu.objects[i];