/// <summary>
/// Progresses an achievement.
/// The target value is what the 100% marker is, the actual value is what the actual value was achieved.<para/>
/// For example, say the achievement is to gain 1000 points (target), and the player achieved 750 points (actual).<para/>
/// Then the achievement would be 75% (750/1000) complete.
/// </summary>
public void ProgressAchievement(int id, float target, float actual)
{
Achievement achievement = GetAchievement(id);
achievement.Progress(target, actual);
NotifyIfUnlocked(achievement);
AchievementDatabase.SaveAchievementsToFile(achievements);
}
/// <summary>
/// Instantly unlocks an achievement.
/// </summary>
public void UnlockAchievement(int id)
{
Achievement achievement = GetAchievement(id);
achievement.Unlock();
NotifyIfUnlocked(achievement);
AchievementDatabase.SaveAchievementsToFile(achievements);
}