public List<Achievement> getCompletedAchievements() {
if (achievements.size() == 0) {
return Collections.emptyList();
}
List<Achievement> completed = new LinkedList<Achievement>();
for (Achievement achievement : achievements.values()) {
if (achievement.isCompleted()) {
completed.add(achievement);
}
}
return completed;
}
public void addArchievement(Achievement achievement) {
if (achievement == null) {
return;
}
System.out.println("Adding new Achievement: " + achievement);
achievements.put(achievement.getName(), achievement);
}