don't pass deltas as param

src/yugecin/opsudance/core/DisplayContainer.java

@@ -84,7 +84,7 @@ public class DisplayContainer implements ErrorDumpable, KeyListener, MouseListen
 	public int targetRenderInterval;
 	public int targetBackgroundRenderInterval;
 
-	public int realRenderInterval;
+	public int renderDelta;
 	public int delta;
 
 	public int timeSinceLastRender;
@@ -122,7 +122,7 @@ public class DisplayContainer implements ErrorDumpable, KeyListener, MouseListen
 		targetBackgroundRenderInterval = 41; // ~24 fps
 		lastFrame = getTime();
 		delta = 1;
-		realRenderInterval = 1;
+		renderDelta = 1;
 	}
 
 	public void init(Class<? extends OpsuState> startingState) {
@@ -144,7 +144,7 @@ public class DisplayContainer implements ErrorDumpable, KeyListener, MouseListen
 			input.poll(width, height);
 			mouseX = input.getMouseX();
 			mouseY = input.getMouseY();
-			state.update(delta);
+			state.update();
 
 			int maxRenderInterval;
 			if (Display.isVisible() && Display.isActive()) {
@@ -163,13 +163,14 @@ public class DisplayContainer implements ErrorDumpable, KeyListener, MouseListen
 				graphics.resetTransform();
 				*/
 
-				state.preRenderUpdate(timeSinceLastRender);
+				renderDelta = timeSinceLastRender;
+
+				state.preRenderUpdate();
 				state.render(graphics);
 				fpsState.render(graphics);
-				bubNotifState.render(graphics, timeSinceLastRender);
-				barNotifState.render(graphics, timeSinceLastRender);
+				bubNotifState.render(graphics);
+				barNotifState.render(graphics);
 
-				realRenderInterval = timeSinceLastRender;
 				timeSinceLastRender = 0;
 
 				Display.update(false);

src/yugecin/opsudance/core/state/OpsuState.java

@@ -22,8 +22,8 @@ import yugecin.opsudance.core.errorhandling.ErrorDumpable;
 
 public interface OpsuState extends ErrorDumpable {
 
-	void update(int delta);
-	void preRenderUpdate(int delta);
+	void update();
+	void preRenderUpdate();
 	void render(Graphics g);
 	void enter();
 	void leave();

src/yugecin/opsudance/core/state/specialstates/BarNotificationState.java

@@ -66,11 +66,11 @@ public class BarNotificationState implements EventListener<BarNotificationEvent>
 		});
 	}
 
-	public void render(Graphics g, int delta) {
+	public void render(Graphics g) {
 		if (timeShown >= TOTAL_TIME) {
 			return;
 		}
-		timeShown += delta;
+		timeShown += displayContainer.renderDelta;
 		processAnimations();
 		g.setColor(bgcol);
 		g.fillRect(0, displayContainer.height / 2 - barHalfHeight, displayContainer.width, barHalfHeight * 2);

src/yugecin/opsudance/core/state/specialstates/BubbleNotificationState.java

@@ -57,12 +57,12 @@ public class BubbleNotificationState implements EventListener<BubbleNotification
 		});
 	}
 
-	public void render(Graphics g, int delta) {
+	public void render(Graphics g) {
 		ListIterator<Notification> iter = bubbles.listIterator();
 		if (!iter.hasNext()) {
 			return;
 		}
-		addAnimationTime += delta;
+		addAnimationTime += displayContainer.renderDelta;
 		if (addAnimationTime > IN_TIME) {
 			finishAddAnimation();
 		}
@@ -72,7 +72,7 @@ public class BubbleNotificationState implements EventListener<BubbleNotification
 			if (animateUp && addAnimationTime < IN_TIME) {
 				next.y = next.baseY - (int) (addAnimationHeight * AnimationEquation.OUT_QUINT.calc((float) addAnimationTime / IN_TIME));
 			}
-			if (next.render(g, displayContainer.mouseX, displayContainer.mouseY, delta)) {
+			if (next.render(g, displayContainer.mouseX, displayContainer.mouseY, displayContainer.renderDelta)) {
 				iter.remove();
 			}
 			animateUp = true;

src/yugecin/opsudance/core/state/specialstates/FpsRenderState.java

@@ -39,7 +39,7 @@ public class FpsRenderState implements EventListener<ResolutionChangedEvent> {
 
 	public void render(Graphics g) {
 		int x = this.x;
-		x = drawText(g, (1000 / displayContainer.realRenderInterval) + " fps", x, this.y);
+		x = drawText(g, (1000 / displayContainer.renderDelta) + " fps", x, this.y);
 		drawText(g, (1000 / displayContainer.delta) + " ups", x, this.y);
 	}
 

src/yugecin/opsudance/core/state/transitions/TransitionState.java

@@ -49,16 +49,17 @@ public abstract class TransitionState extends BaseOpsuState {
 	}
 
 	@Override
-	public void update(int delta) {
-		applicableState.update(delta);
-		transitionTime += delta;
+	public void update() {
+		applicableState.update();
+		transitionTime += displayContainer.delta;
 		if (transitionTime >= transitionTargetTime) {
 			finish();
 		}
 	}
 
 	@Override
-	public void preRenderUpdate(int delta) {
+	public void preRenderUpdate() {
+		applicableState.preRenderUpdate();
 	}
 
 	@Override

src/yugecin/opsudance/states/EmptyRedState.java

@@ -38,8 +38,8 @@ public class EmptyRedState implements OpsuState {
 	}
 
 	@Override
-	public void update(int delta) {
-		counter -= delta;
+	public void update() {
+		counter -= displayContainer.delta;
 		if (counter < 0) {
 			counter = 10000; // to prevent more calls to switch, as this will keep rendering until state transitioned
 			System.out.println(System.currentTimeMillis() - start);
@@ -48,7 +48,7 @@ public class EmptyRedState implements OpsuState {
 	}
 
 	@Override
-	public void preRenderUpdate(int delta) {
+	public void preRenderUpdate() {
 	}
 
 	@Override

src/yugecin/opsudance/states/EmptyState.java

@@ -35,8 +35,8 @@ public class EmptyState implements OpsuState {
 	}
 
 	@Override
-	public void update(int delta) {
-		counter -= delta;
+	public void update() {
+		counter -= displayContainer.delta;
 		if (counter < 0) {
 			counter = 10000; // to prevent more calls to switch, as this will keep rending until state transitioned
 			displayContainer.switchState(EmptyRedState.class);
@@ -44,7 +44,7 @@ public class EmptyState implements OpsuState {
 	}
 
 	@Override
-	public void preRenderUpdate(int delta) {
+	public void preRenderUpdate() {
 	}
 
 	@Override