Implement playback speed in replays.

src/itdelatrisu/opsu/GameImage.java

@@ -104,6 +104,10 @@ public enum GameImage {
 		}
 	},
 
+	REPLAY_05XPLAYBACK ("playback-05x", "png"),
+	REPLAY_1XPLAYBACK ("playback-1x", "png"),
+	REPLAY_2XPLAYBACK ("playback-2x", "png"),
+
 	// Circle
 	HITCIRCLE ("hitcircle", "png"),
 	HITCIRCLE_OVERLAY ("hitcircleoverlay", "png"),

src/itdelatrisu/opsu/MenuButton.java

@@ -279,6 +279,11 @@ public class MenuButton {
 	 */
 	public void removeHoverEffects() { hoverEffect = 0; }
 
+	/**
+	 * Sets the image of the button.
+	 */
+	public void setImage(Image image) { img = image; }
+
 	/**
 	 * Sets the "expand" hover effect.
 	 */

src/itdelatrisu/opsu/audio/MusicController.java

@@ -279,13 +279,13 @@ public class MusicController {
 	 * Plays the current track.
 	 * @param loop whether or not to loop the track
 	 */
-	public static void play(float pitch, boolean loop) {
+	public static void play(boolean loop) {
 		if (trackExists()) {
 			trackEnded = false;
 			if (loop)
 				player.loop();
 			else
-				player.play(pitch, 1f);
+				player.play();
 		}
 	}
 
@@ -297,6 +297,14 @@ public class MusicController {
 		SoundStore.get().setMusicVolume((isTrackDimmed()) ? volume * dimLevel : volume);
 	}
 
+	/**
+	 * Sets the music pitch.
+	 * @param pitch [0, ..]
+	 */
+	public static void setPitch(float pitch) {
+		SoundStore.get().setMusicPitch(pitch);
+	}
+
 	/**
 	 * Returns whether or not the current track has ended.
 	 */

src/itdelatrisu/opsu/replay/PlaybackSpeed.java

@@ -0,0 +1,50 @@
+package itdelatrisu.opsu.replay;
+
+import itdelatrisu.opsu.GameImage;
+import itdelatrisu.opsu.GameMod;
+import org.newdawn.slick.Image;
+
+public enum PlaybackSpeed {
+	NORMAL(GameImage.REPLAY_1XPLAYBACK, 1f),
+	DOUBLE(GameImage.REPLAY_2XPLAYBACK, 2f),
+	HALF(GameImage.REPLAY_05XPLAYBACK, 0.5f);
+
+	/** The file name of the button image. */
+	private GameImage gameImage;
+
+	/** The speed modifier of the playback. */
+	private float modifier;
+
+	PlaybackSpeed(GameImage gameImage, float modifier) {
+		this.gameImage = gameImage;
+		this.modifier = modifier;
+	}
+
+	private static int index = 1;
+
+	public static PlaybackSpeed next() {
+		PlaybackSpeed next = values()[index++ % values().length];
+		if((GameMod.DOUBLE_TIME.isActive() && next == PlaybackSpeed.DOUBLE) ||
+				(GameMod.HALF_TIME.isActive() && next == PlaybackSpeed.HALF))
+			next = next();
+
+		return next;
+	}
+
+	public static void reset() {
+		index = 1;
+	}
+
+	/**
+	 * Returns the image.
+	 * @return the associated image
+	 */
+	public Image getImage() { return gameImage.getImage(); }
+
+	/**
+	 * Returns the speed modifier.
+	 * @return the speed
+	 */
+	public float getModifier() { return modifier; }
+}
+

src/itdelatrisu/opsu/states/Game.java

@@ -50,6 +50,7 @@ import java.io.File;
 import java.util.LinkedList;
 import java.util.Stack;
 
+import itdelatrisu.opsu.replay.PlaybackSpeed;
 import org.lwjgl.input.Keyboard;
 import org.lwjgl.opengl.Display;
 import org.newdawn.slick.Animation;
@@ -131,6 +132,9 @@ public class Game extends BasicGameState {
 	/** Skip button (displayed at song start, when necessary). */
 	private MenuButton skipButton;
 
+	/** Playback button (displayed in replays). */
+	private MenuButton playbackButton;
+
 	/** Current timing point index in timingPoints ArrayList. */
 	private int timingPointIndex;
 
@@ -527,6 +531,9 @@ public class Game extends BasicGameState {
 			cursorCirclePulse.drawCentered(pausedMouseX, pausedMouseY);
 		}
 
+		if (isReplay || GameMod.AUTO.isActive())
+			playbackButton.draw();
+
 		if (isReplay)
 			UI.draw(g, replayX, replayY, replayKeyPressed);
 		else if (GameMod.AUTO.isActive())
@@ -544,6 +551,8 @@ public class Game extends BasicGameState {
 		UI.update(delta);
 		int mouseX = input.getMouseX(), mouseY = input.getMouseY();
 		skipButton.hoverUpdate(delta, mouseX, mouseY);
+		if (isReplay || GameMod.AUTO.isActive())
+			playbackButton.hoverUpdate(delta, mouseX, mouseY);
 		int trackPosition = MusicController.getPosition();
 
 		// returning from pause screen: must click previous mouse position
@@ -871,16 +880,24 @@ public class Game extends BasicGameState {
 
 	@Override
 	public void mousePressed(int button, int x, int y) {
-		if (Options.isMouseDisabled())
-			return;
-
 		// watching replay
-		if (isReplay) {
-			// only allow skip button
-			if (button != Input.MOUSE_MIDDLE_BUTTON && skipButton.contains(x, y))
+		if (isReplay || GameMod.AUTO.isActive()) {
+			// allow skip button
+			if (button != Input.MOUSE_MIDDLE_BUTTON && skipButton.contains(x, y)) {
 				skipIntro();
 				return;
 			}
+			if (button != Input.MOUSE_MIDDLE_BUTTON && playbackButton.contains(x, y)) {
+				PlaybackSpeed playbackSpeed = PlaybackSpeed.next();
+				playbackButton.setImage(playbackSpeed.getImage());
+				MusicController.setPitch(GameMod.getSpeedMultiplier() * playbackSpeed.getModifier());
+				return;
+			}
+			return;
+		}
+
+		if (Options.isMouseDisabled())
+			return;
 
 		// mouse wheel: pause the game
 		if (button == Input.MOUSE_MIDDLE_BUTTON && !Options.isMouseWheelDisabled()) {
@@ -1085,6 +1102,8 @@ public class Game extends BasicGameState {
 				previousMods = GameMod.getModState();
 				GameMod.loadModState(replay.mods);
 
+				PlaybackSpeed.reset();
+
 				// load initial data
 				replayX = container.getWidth() / 2;
 				replayY = container.getHeight() / 2;
@@ -1116,12 +1135,15 @@ public class Game extends BasicGameState {
 			restart = Restart.FALSE;
 
 			// needs to play before setting position to resume without lag later
-			MusicController.play(GameMod.getSpeedMultiplier(), false);
+			MusicController.play(false);
 			MusicController.setPosition(0);
+			MusicController.setPitch(GameMod.getSpeedMultiplier());
 			MusicController.pause();
 		}
 
 		skipButton.resetHover();
+		if (isReplay || GameMod.AUTO.isActive())
+			playbackButton.resetHover();
 	}
 
 	@Override
@@ -1280,6 +1302,7 @@ public class Game extends BasicGameState {
 				MusicController.resume();
 			}
 			MusicController.setPosition(firstObjectTime - SKIP_OFFSET);
+			MusicController.setPitch(GameMod.getSpeedMultiplier());
 			replaySkipTime = (isReplay) ? -1 : trackPosition;
 			if (isReplay) {
 				replayX = (int) skipButton.getX();
@@ -1317,6 +1340,12 @@ public class Game extends BasicGameState {
 		}
 		skipButton.setHoverExpand(1.1f, MenuButton.Expand.UP_LEFT);
 
+		if (isReplay || GameMod.AUTO.isActive()) {
+			Image playback = GameImage.REPLAY_1XPLAYBACK.getImage();
+			playbackButton = new MenuButton(playback, width * 0.98f - (playback.getWidth() / 2f), height * 0.25f);
+			playbackButton.setHoverExpand(1.1f, MenuButton.Expand.CENTER);
+		}
+
 		// load other images...
 		((GamePauseMenu) game.getState(Opsu.STATE_GAMEPAUSEMENU)).loadImages();
 		data.loadImages();