Follow-up to #307 (minor code style changes).

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

src/itdelatrisu/opsu/ui/InputOverlayKey.java

@@ -23,11 +23,16 @@
 import org.newdawn.slick.Graphics;
 import org.newdawn.slick.Image;
 
+/**
+ * Input overlay key.
+ *
+ * @author yugecin (https://github.com/yugecin)
+ */
 public class InputOverlayKey {
 	/** Time, in ms, of the shrink/expand key animation. */
-	private static final int ANIMTIME = 100;
+	private static final int ANIMATION_TIME = 100;
 	/** The final scale of the input keys when the key is pressed. */
-	private static final float ACTIVESCALE = 0.75f;
+	private static final float ACTIVE_SCALE = 0.75f;
 
 	/** The bits in the keystate that corresponds to this key. */
 	private final int targetKey;
@@ -48,10 +53,11 @@ public class InputOverlayKey {
 	private int presses;
 
 	/**
-	 * @param initialText The initial text of the button
-	 * @param targetKey The bits in the keystate that corresponds to this key
-	 * @param ignoredKey The bits that may not be set for this key to be down
-	 * @param activeColor The color of the button when the key is down
+	 * Constructor.
+	 * @param initialText the initial text of the button
+	 * @param targetKey the bits in the keystate that corresponds to this key
+	 * @param ignoredKey the bits that may not be set for this key to be down
+	 * @param activeColor the color of the button when the key is down
 	 */
 	public InputOverlayKey(String initialText, int targetKey, int ignoredKey, Color activeColor) {
 		this.initialText = initialText;
@@ -60,9 +66,7 @@ public InputOverlayKey(String initialText, int targetKey, int ignoredKey, Color
 		this.activeColor = activeColor;
 	}
 
-	/**
-	 * Resets all data
-	 */
+	/** Resets all data. */
 	public void reset() {
 		down = false;
 		downtime = 0;
@@ -71,9 +75,10 @@ public void reset() {
 	}
 
 	/**
-	 * Update this key
+	 * Updates this key by a delta interval.
 	 * @param keystates the current key states
-	 * @param delta framedelta
+	 * @param countkeys whether to increment the key count
+	 * @param delta the delta interval since the last call
 	 */
 	public void update(int keystates, boolean countkeys, int delta) {
 		boolean wasdown = down;
@@ -83,41 +88,41 @@ public void update(int keystates, boolean countkeys, int delta) {
 				presses++;
 			text = Integer.toString(presses);
 		}
-		if (down && downtime < ANIMTIME)
-			downtime = Math.min(ANIMTIME, downtime + delta);
+		if (down && downtime < ANIMATION_TIME)
+			downtime = Math.min(ANIMATION_TIME, downtime + delta);
 		else if (!down && downtime > 0)
 			downtime = Math.max(0, downtime - delta);
 	}
 
 	/**
-	 * Render this key
-	 * @param g graphics context
-	 * @param x x position
-	 * @param y y position
+	 * Renders this key.
+	 * @param g the graphics context
+	 * @param x the x position
+	 * @param y the y position
 	 * @param baseImage the key image
 	 */
 	public void render(Graphics g, int x, int y, Image baseImage) {
 		g.pushTransform();
 		float scale = 1f;
 		if (downtime > 0) {
-			float progress = downtime / (float) ANIMTIME;
-			scale -= (1f - ACTIVESCALE) * progress;
+			float progress = downtime / (float) ANIMATION_TIME;
+			scale -= (1f - ACTIVE_SCALE) * progress;
 			g.scale(scale, scale);
 			x /= scale;
 			y /= scale;
 		}
 		baseImage.drawCentered(x, y, down ? activeColor : Color.white);
 		x -= Fonts.MEDIUMBOLD.getWidth(text) / 2;
 		y -= Fonts.MEDIUMBOLD.getLineHeight() / 2;
-			/*
-			// shadow
-			g.pushTransform();
-			g.scale (1.1f, 1.1f);
-			float shadowx = x / 1.1f - Fonts.MEDIUMBOLD.getWidth(text) * 0.05f;
-			float shadowy = y / 1.1f - Fonts.MEDIUMBOLD.getLineHeight() * 0.05f;
-			Fonts.MEDIUMBOLD.drawString(shadowx, shadowy, text, Color.black);
-			g.popTransform();
-			*/
+		/*
+		// shadow (TODO)
+		g.pushTransform();
+		g.scale(1.1f, 1.1f);
+		float shadowx = x / 1.1f - Fonts.MEDIUMBOLD.getWidth(text) * 0.05f;
+		float shadowy = y / 1.1f - Fonts.MEDIUMBOLD.getLineHeight() * 0.05f;
+		Fonts.MEDIUMBOLD.drawString(shadowx, shadowy, text, Color.black);
+		g.popTransform();
+		*/
 		Fonts.MEDIUMBOLD.drawString(x, y, text, Options.getSkin().getInputOverlayText());
 		g.popTransform();
 	}