User system improvements (edit/delete menu + new icons).

* Right-click on any user to open the "Edit User" menu. Users can now be deleted and icons can be changed.
* Replaced the 3 existing icons with 15 new ones from freepik.

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

CREDITS.md

@@ -26,7 +26,9 @@ The images included in opsu! belong to their respective authors.
 * kouyang
 * teinecthel
 * Teddy Kelley - https://unsplash.com/photos/weuWmzv7xnU (main menu background)
-* User icons ("User", "Male User", "Female User") by To Uyen from the Noun Project
+* User icons designed by Freepik - https://www.freepik.com/
+	* https://www.freepik.com/free-vector/flat-lovely-animal-avatar-collection_845660.htm
+	* https://www.freepik.com/free-vector/wild-and-marine-animal-collection_845661.htm
 * Font Awesome by Dave Gandy - http://fontawesome.io
 
 Projects

src/itdelatrisu/opsu/user/UserButton.java

@@ -62,6 +62,9 @@ public class UserButton {
 	/** The user. */
 	private User user;
 
+	/** Placeholder text to display if {@link #user} is null. */
+	private String placeholderText;
+
 	/**
 	 * Initializes the user buttons.
 	 * @param width the container width
@@ -124,6 +127,14 @@ public void setUser(User user) {
 	/** Returns the user. */
 	public User getUser() { return user; }
 
+	/** Sets the text to display if no user is set. */
+	public void setPlaceholderText(String placeholderText) {
+		this.placeholderText = placeholderText;
+	}
+
+	/** Returns the placeholder text. */
+	public String getPlaceholderText() { return placeholderText; }
+
 	/**
 	 * Returns true if the coordinates are within the button bounds.
 	 * @param cx the x coordinate
@@ -164,12 +175,11 @@ public void draw(Graphics g, float alpha) {
 		g.fillRoundRect(cx, cy, buttonWidth - padding * 2, buttonHeight - padding * 2, 4);
 
 		// no user?
-		if (user == null) {
-			String text = "Add User";
+		if (user == null && placeholderText != null) {
 			Fonts.LARGE.drawString(
-				x + (buttonWidth - Fonts.LARGE.getWidth(text)) / 2,
+				x + (buttonWidth - Fonts.LARGE.getWidth(placeholderText)) / 2,
 				y + (buttonHeight - Fonts.LARGE.getLineHeight()) / 2,
-				text, Colors.WHITE_FADE
+				placeholderText, Colors.WHITE_FADE
 			);
 			Colors.WHITE_FADE.a = oldWhiteAlpha;
 			return;
@@ -248,6 +258,16 @@ public void setHoverAnimationEquation(AnimationEquation eqn) {
 		bgAlpha.setEquation(eqn);
 	}
 
+	/**
+	 * Sets the hover animation base value.
+	 * @param base the base value
+	 */
+	public void setHoverAnimationBase(float base) {
+		AnimatedValue value = new AnimatedValue(bgAlpha.getDuration(), base, 1f, bgAlpha.getEquation());
+		value.setTime(bgAlpha.getTime());
+		bgAlpha = value;
+	}
+
 	/** Resets the hover fields for the button. */
 	public void resetHover() {
 		bgAlpha.setTime(0);

src/itdelatrisu/opsu/user/UserList.java

@@ -80,6 +80,9 @@ public UserList() {
 		}
 	}
 
+	/** Returns the number of users. */
+	public int size() { return users.size(); }
+
 	/** Returns all users. */
 	public List<User> getUsers() {
 		List<User> l = new ArrayList<User>(users.values());
@@ -126,6 +129,20 @@ public User createNewUser(String name, int icon) {
 		return user;
 	}
 
+	/**
+	 * Deletes the given user.
+	 * @param name the user's name
+	 * @return true if the user was deleted, false otherwise
+	 */
+	public boolean deleteUser(String name) {
+		if (!userExists(name) || name.equals(currentUser.getName()))
+			return false;
+
+		ScoreDB.deleteUser(name);
+		users.remove(name.toLowerCase());
+		return true;
+	}
+
 	/** Returns whether the given name is a valid user name. */
 	public boolean isValidUserName(String name) {
 		return !name.isEmpty() && name.length() <= MAX_USER_NAME_LENGTH &&