Added options to disable the mouse wheel or mouse buttons during gameplay.

- Clicking the mouse wheel now pauses the game (with these options disabled).
- Created an "Input" category in the options menu.

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

src/itdelatrisu/opsu/Options.java

@@ -370,6 +370,20 @@ public class Options {
 
 			@Override
 			public void click(GameContainer container) { showHitErrorBar = !showHitErrorBar; }
+		},
+		DISABLE_MOUSE_WHEEL ("Disable mouse wheel in play mode", "During play, you can use the mouse wheel to adjust the volume and pause the game.\nThis will disable that functionality.") {
+			@Override
+			public String getValueString() { return disableMouseWheel ? "Yes" : "No"; }
+
+			@Override
+			public void click(GameContainer container) { disableMouseWheel = !disableMouseWheel; }
+		},
+		DISABLE_MOUSE_BUTTONS ("Disable mouse buttons in play mode", "This option will disable all mouse buttons.\nSpecifically for people who use their keyboard to click.") {
+			@Override
+			public String getValueString() { return disableMouseButtons ? "Yes" : "No"; }
+
+			@Override
+			public void click(GameContainer container) { disableMouseButtons = !disableMouseButtons; }
 		};
 
 		/** Option name. */
@@ -544,6 +558,12 @@ public class Options {
 	/** Whether or not to show the hit error bar. */
 	private static boolean showHitErrorBar = false;
 
+	/** Whether or not to disable the mouse wheel during gameplay. */
+	private static boolean disableMouseWheel = false;
+
+	/** Whether or not to disable the mouse buttons during gameplay. */
+	private static boolean disableMouseButtons = false;
+
 	/** Fixed difficulty overrides. */
 	private static float
 		fixedCS = 0f, fixedHP = 0f,
@@ -795,6 +815,18 @@ public class Options {
 	 */
 	public static boolean isHitErrorBarEnabled() { return showHitErrorBar; }
 
+	/**
+	 * Returns whether or not the mouse wheel is disabled during gameplay.
+	 * @return true if disabled
+	 */
+	public static boolean isMouseWheelDisabled() { return disableMouseWheel; }
+
+	/**
+	 * Returns whether or not the mouse buttons are disabled during gameplay.
+	 * @return true if disabled
+	 */
+	public static boolean isMouseDisabled() { return disableMouseButtons; }
+
 	/**
 	 * Returns the left game key.
 	 * @return the left key code
@@ -1037,6 +1069,12 @@ public class Options {
 							keyRight = i;
 					}
 					break;
+				case "MouseDisableWheel":
+					disableMouseWheel = Boolean.parseBoolean(value);
+					break;
+				case "MouseDisableButtons":
+					disableMouseButtons = Boolean.parseBoolean(value);
+					break;
 				case "DimLevel":
 					i = Integer.parseInt(value);
 					if (i >= 0 && i <= 100)
@@ -1151,6 +1189,10 @@ public class Options {
 			writer.newLine();
 			writer.write(String.format("keyOsuRight = %s", Keyboard.getKeyName(getGameKeyRight())));
 			writer.newLine();
+			writer.write(String.format("MouseDisableWheel = %b", disableMouseWheel));
+			writer.newLine();
+			writer.write(String.format("MouseDisableButtons = %b", disableMouseButtons));
+			writer.newLine();
 			writer.write(String.format("DimLevel = %d", backgroundDim));
 			writer.newLine();
 			writer.write(String.format("ForceDefaultPlayfield = %b", forceDefaultPlayfield));

src/itdelatrisu/opsu/OsuHitObject.java

@@ -237,11 +237,12 @@ public class OsuHitObject {
 
 	/**
 	 * Returns the edge hit sound type.
+	 * @param index the slider edge index (ignored for non-sliders)
 	 * @return the sound type (SOUND_* bitmask)
 	 */
-	public byte getEdgeHitSoundType(int i) {
+	public byte getEdgeHitSoundType(int index) {
 		if (edgeHitSound != null)
-			return edgeHitSound[i];
+			return edgeHitSound[index];
 		else
 			return hitSound;
 	}

src/itdelatrisu/opsu/Utils.java

@@ -393,7 +393,8 @@ public class Utils {
 		final float scale = 1.25f;
 		int state = game.getCurrentStateID();
 		if (((state == Opsu.STATE_GAME || state == Opsu.STATE_GAMEPAUSEMENU) && isGameKeyPressed()) ||
-		    (input.isMouseButtonDown(Input.MOUSE_LEFT_BUTTON) || input.isMouseButtonDown(Input.MOUSE_RIGHT_BUTTON))) {
+		    ((input.isMouseButtonDown(Input.MOUSE_LEFT_BUTTON) || input.isMouseButtonDown(Input.MOUSE_RIGHT_BUTTON)) &&
+		    !(state == Opsu.STATE_GAME && Options.isMouseDisabled()))) {
 			cursor = cursor.getScaledCopy(scale);
 			if (newStyle)
 				cursorMiddle = cursorMiddle.getScaledCopy(scale);
@@ -487,8 +488,10 @@ public class Utils {
 	 * @return true if pressed
 	 */
 	public static boolean isGameKeyPressed() {
-		return (input.isMouseButtonDown(Input.MOUSE_LEFT_BUTTON) ||
-				input.isMouseButtonDown(Input.MOUSE_RIGHT_BUTTON) ||
+		boolean mouseDown = !Options.isMouseDisabled() && (
+				input.isMouseButtonDown(Input.MOUSE_LEFT_BUTTON) ||
+				input.isMouseButtonDown(Input.MOUSE_RIGHT_BUTTON));
+		return (mouseDown ||
 				input.isKeyDown(Options.getGameKeyLeft()) ||
 				input.isKeyDown(Options.getGameKeyRight()));
 	}

src/itdelatrisu/opsu/states/Game.java

@@ -533,9 +533,9 @@ public class Game extends BasicGameState {
 		// game keys
 		if (!Keyboard.isRepeatEvent()) {
 			if (key == Options.getGameKeyLeft())
-				mousePressed(Input.MOUSE_LEFT_BUTTON, input.getMouseX(), input.getMouseY());
+				gameKeyPressed(Input.MOUSE_LEFT_BUTTON, input.getMouseX(), input.getMouseY());
 			else if (key == Options.getGameKeyRight())
-				mousePressed(Input.MOUSE_RIGHT_BUTTON, input.getMouseX(), input.getMouseY());
+				gameKeyPressed(Input.MOUSE_RIGHT_BUTTON, input.getMouseX(), input.getMouseY());
 		}
 
 		switch (key) {
@@ -626,9 +626,33 @@ public class Game extends BasicGameState {
 
 	@Override
 	public void mousePressed(int button, int x, int y) {
-		if (button == Input.MOUSE_MIDDLE_BUTTON)
+		if (Options.isMouseDisabled())
 			return;
 
+		// mouse wheel: pause the game
+		if (button == Input.MOUSE_MIDDLE_BUTTON && !Options.isMouseWheelDisabled()) {
+			int trackPosition = MusicController.getPosition();
+			if (pauseTime < 0 && breakTime <= 0 && trackPosition >= osu.objects[0].getTime()) {
+				pausedMouseX = x;
+				pausedMouseY = y;
+				pausePulse = 0f;
+			}
+			if (MusicController.isPlaying() || isLeadIn())
+				pauseTime = trackPosition;
+			game.enterState(Opsu.STATE_GAMEPAUSEMENU, new EmptyTransition(), new FadeInTransition(Color.black));
+			return;
+		}
+
+		gameKeyPressed(button, x, y);
+	}
+
+	/**
+	 * Handles a game key pressed event.
+	 * @param button the index of the button pressed
+	 * @param x the mouse x coordinate
+	 * @param y the mouse y coordinate
+	 */
+	private void gameKeyPressed(int button, int x, int y) {
 		// returning from pause screen
 		if (pauseTime > -1) {
 			double distance = Math.hypot(pausedMouseX - x, pausedMouseY - y);
@@ -670,6 +694,9 @@ public class Game extends BasicGameState {
 
 	@Override
 	public void mouseWheelMoved(int newValue) {
+		if (Options.isMouseWheelDisabled() || Options.isMouseDisabled())
+			return;
+
 		Utils.changeVolume((newValue < 0) ? -1 : 1);
 	}
 

src/itdelatrisu/opsu/states/OptionsMenu.java

@@ -68,8 +68,6 @@ public class OptionsMenu extends BasicGameState {
 			GameOption.ENABLE_THEME_SONG
 		}),
 		GAMEPLAY ("Gameplay", new GameOption[] {
-			GameOption.KEY_LEFT,
-			GameOption.KEY_RIGHT,
 			GameOption.BACKGROUND_DIM,
 			GameOption.FORCE_DEFAULT_PLAYFIELD,
 			GameOption.IGNORE_BEATMAP_SKINS,
@@ -78,6 +76,12 @@ public class OptionsMenu extends BasicGameState {
 			GameOption.SHOW_PERFECT_HIT,
 			GameOption.SHOW_HIT_ERROR_BAR
 		}),
+		INPUT ("Input", new GameOption[] {
+			GameOption.KEY_LEFT,
+			GameOption.KEY_RIGHT,
+			GameOption.DISABLE_MOUSE_WHEEL,
+			GameOption.DISABLE_MOUSE_BUTTONS
+		}),
 		CUSTOM ("Custom", new GameOption[] {
 			GameOption.FIXED_CS,
 			GameOption.FIXED_HP,