From 64755bbc5c44baf9317a31f19e7124f23a8e35b1 Mon Sep 17 00:00:00 2001
From: fd <fd@b>
Date: Sat, 7 Mar 2015 19:45:56 -0500
Subject: [PATCH 1/2] Attempts to load music with incorrect file names. #33

---
 src/org/newdawn/slick/openal/OpenALStreamPlayer.java | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/org/newdawn/slick/openal/OpenALStreamPlayer.java b/src/org/newdawn/slick/openal/OpenALStreamPlayer.java
index ba9df8fa..6bad011d 100644
--- a/src/org/newdawn/slick/openal/OpenALStreamPlayer.java
+++ b/src/org/newdawn/slick/openal/OpenALStreamPlayer.java
@@ -149,6 +149,14 @@ public class OpenALStreamPlayer {
 				audio = new Mp3InputStream(ResourceLoader.getResourceAsStream(ref));
 			else
 				audio = new OggInputStream(ResourceLoader.getResourceAsStream(ref));
+			
+			if(audio.getRate() == 0 && audio.getChannels() == 0) {
+				if (ref.toLowerCase().endsWith(".mp3"))
+					audio = new OggInputStream(ResourceLoader.getResourceAsStream(ref));
+				else
+					audio = new Mp3InputStream(ResourceLoader.getResourceAsStream(ref));
+					
+			}
 		}
 		
 		this.audio = audio;

From 421cfad6ad4693f438d9726800fedf366bd1c9d2 Mon Sep 17 00:00:00 2001
From: fd <fd@b>
Date: Sat, 7 Mar 2015 20:54:16 -0500
Subject: [PATCH 2/2] Fixes some sliders with too much control points.

---
 .../opsu/objects/curves/Bezier2.java          | 29 +++++++++++++------
 .../opsu/objects/curves/Curve.java            |  9 ------
 2 files changed, 20 insertions(+), 18 deletions(-)

diff --git a/src/itdelatrisu/opsu/objects/curves/Bezier2.java b/src/itdelatrisu/opsu/objects/curves/Bezier2.java
index e71a53aa..d7a60893 100644
--- a/src/itdelatrisu/opsu/objects/curves/Bezier2.java
+++ b/src/itdelatrisu/opsu/objects/curves/Bezier2.java
@@ -77,8 +77,9 @@ public class Bezier2 {
 		Vec2f c = new Vec2f();
 		int n = points.length - 1;
 		for (int i = 0; i <= n; i++) {
-			c.x += points[i].x * bernstein(i, n, t);
-			c.y += points[i].y * bernstein(i, n, t);
+			double b = bernstein(i, n, t);
+			c.x += points[i].x * b;
+			c.y += points[i].y * b;
 		}
 		return c;
 	}
@@ -102,14 +103,23 @@ public class Bezier2 {
 	 * Returns the total distances of this Bezier curve.
 	 */
 	public float totalDistance() { return totalDistance; }
-
+	
 	/**
-	 * Calculates the factorial of a number.
+	 * http://en.wikipedia.org/wiki/Binomial_coefficient#Binomial_coefficient_in_programming_languages
+	 * 
 	 */
-	private static long factorial(int n) {
-		return (n <= 1 || n > 20) ? 1 : n * factorial(n - 1);
+	public static long binomialCoefficient(int n, int k) {
+		if (k < 0 || k > n)
+			return 0;
+		if (k == 0 || k == n)
+			return 1;
+		k = Math.min(k, n - k); // # take advantage of symmetry
+		long c = 1;
+		for (int i = 0; i < k; i++) {
+			c = c * (n - i) / (i + 1);
+		}
+		return c;
 	}
-
 	/**
 	 * Calculates the Bernstein polynomial.
 	 * @param i the index
@@ -117,7 +127,8 @@ public class Bezier2 {
 	 * @param t the t value [0, 1]
 	 */
 	private static double bernstein(int i, int n, float t) {
-		return factorial(n) / (factorial(i) * factorial(n - i)) *
-		       Math.pow(t, i) * Math.pow(1 - t, n - i);
+		return binomialCoefficient(n, i) * Math.pow(t, i) * Math.pow(1 - t, n - i);
 	}
+	
+
 }
diff --git a/src/itdelatrisu/opsu/objects/curves/Curve.java b/src/itdelatrisu/opsu/objects/curves/Curve.java
index 1a593f40..65c22c3c 100644
--- a/src/itdelatrisu/opsu/objects/curves/Curve.java
+++ b/src/itdelatrisu/opsu/objects/curves/Curve.java
@@ -87,13 +87,4 @@ public abstract class Curve {
 		return a * (1 - t) + b * t;
 	}
 
-	/**
-	 * A recursive method to evaluate polynomials in Bernstein form or Bezier curves.
-	 * http://en.wikipedia.org/wiki/De_Casteljau%27s_algorithm
-	 */
-	protected float deCasteljau(float[] a, int i, int order, float t) {
-		if (order == 0)
-			return a[i];
-		return lerp(deCasteljau(a, i, order - 1, t), deCasteljau(a, i + 1, order - 1, t), t);
-	}
 }