also use splice for non-merging sliders instead of reverse

src/itdelatrisu/opsu/objects/Slider.java

@@ -379,14 +379,6 @@ public class Slider extends GameObject {
 		float curveIntervalTo = Options.isSliderSnaking() ? snakingSliderProgress : 1f;
 		float curveIntervalFrom = 0f;
 		if (Options.isShrinkingSliders()) {
-			// 1 repeat = no repeats..
-			if (repeats % 2 == 0 && curveIntervalTo == 1 && !reversed) {
-				// fix shrinking sliders for odd repeating sliders
-				reversed = true;
-				if (!Options.isMergingSliders()) {
-					curve.reverse();
-				}
-			}
 			float sliderprogress = (trackPosition - getTime() - (sliderTime * (repeats - 1))) / sliderTime;
 			if (sliderprogress > 0) {
 				curveIntervalFrom = sliderprogress;
@@ -403,6 +395,13 @@ public class Slider extends GameObject {
 			}
 			game.setSlidercurveTo(baseSliderFrom + (int) (curveIntervalTo * curve.getCurvePoints().length));
 		} else {
+			if (Options.isShrinkingSliders() && curveIntervalFrom > 0) {
+				int curvelen = curve.getCurvePoints().length;
+				if (repeats % 2 == 0) {
+					curve.splice((int) ((1f - curveIntervalFrom) * curvelen), curvelen);
+					curveIntervalFrom = 0f;
+				}
+			}
 			curve.draw(curveColor, curveIntervalFrom, curveIntervalTo);
 		}
 		return curveIntervalTo == 1f;

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

@@ -159,10 +159,6 @@ public abstract class Curve {
 		}
 	}
 
-	public void reverse() {
-		renderState.reverse();
-	}
-
 	public void splice(int from, int to) {
 		renderState.splice(from, to);
 	}

src/itdelatrisu/opsu/render/CurveRenderState.java

@@ -66,8 +66,6 @@ public class CurveRenderState {
 	private int lastPointDrawn;
 	private int firstPointDrawn;
 
-	private boolean reversed;
-
 	private int spliceFrom;
 	private int spliceTo;
 
@@ -115,14 +113,9 @@ public class CurveRenderState {
 		createVertexBuffer(fbo.getVbo());
 		//write impossible value to make sure the fbo is cleared
 		lastPointDrawn = -1;
-		reversed = false;
 		spliceFrom = spliceTo = -1;
 	}
 
-	public void reverse() {
-		reversed = !reversed;
-	}
-
 	public void splice(int from, int to) {
 		spliceFrom = from * 2;
 		spliceTo = to * 2;
@@ -340,14 +333,7 @@ public class CurveRenderState {
 		if (clearFirst) {
 			GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
 		}
-		from = from * 2;
-		to = to * 2 - 1;
-		if (reversed) {
-			int a = from;
-			from = curve.length * 2 - 1 - to;
-			to = curve.length * 2 - 1 - a;
-		}
-		for (int i = from; i < to; ++i) {
+		for (int i = from * 2; i < to * 2 - 1; ++i) {
 			if (spliceFrom <= i && i <= spliceTo) {
 				continue;
 			}