public static T FindSubject <T>() where T : class
{
foreach (object subject in Subjects)
{
T resultSubject = subject as T;
if (resultSubject != null)
{
return(resultSubject);
}
}
Type searchingType = typeof(T);
if (searchingType == typeof(HitEnemySubject))
{
HitEnemySubject subject = new HitEnemySubject();
Subjects.Add(subject);
return(subject as T);
}
else if (searchingType == typeof(KillEnemySubject))
{
KillEnemySubject subject = new KillEnemySubject();
Subjects.Add(subject);
return(subject as T);
}
else
{
throw new TypeAccessException("Unsupported subject type");
}
}
public void OnEnemyKilled(KillEnemySubject subject)
{
if (IsAchieved)
{
return;
}
Console.WriteLine("Achievement reached: First blood!");
IsAchieved = true;
}