fCraft.ChatTimer.TimerCallback C# (CSharp) Method

        static void TimerCallback( [NotNull] SchedulerTask task ) {
            if( task == null ) throw new ArgumentNullException( "task" );
            ChatTimer timer = (ChatTimer)task.UserState;
            if( task.MaxRepeats == 1 ) {
                if( String.IsNullOrEmpty( timer.Message ) ) {
                    Chat.SendSay( Player.Console, "(Timer Up)" );
                } else {
                    Chat.SendSay( Player.Console, "(Timer Up) " + timer.Message );
                }
                timer.Stop( false );

            } else if( timer.announceIntervalIndex >= 0 ) {
                if( timer.lastHourAnnounced != (int)timer.TimeLeft.TotalHours ) {
                    timer.lastHourAnnounced = (int)timer.TimeLeft.TotalHours;
                    timer.Announce( TimeSpan.FromHours( Math.Ceiling( timer.TimeLeft.TotalHours ) ) );
                }
                if( timer.TimeLeft <= AnnounceIntervals[timer.announceIntervalIndex] ) {
                    timer.Announce( AnnounceIntervals[timer.announceIntervalIndex] );
                    timer.announceIntervalIndex--;
                }
            }
        }