public void UpdateStats()
{
if (IsPartyStats)
{
return;
}
//update stats
DamageFraction = _tracker.TotalDealt.Damage == 0 ? 1 : (double)Damage / _tracker.TotalDealt.Damage;
Dps = _tracker.CalculateDps(Damage);
//update personal DPS
var firstOrDefault = _skillLog.FirstOrDefault(s => _tracker.IsValidAttack(s));
var lastOrDefault = _skillLog.LastOrDefault(s => _tracker.IsValidAttack(s));
PersonalDps = (firstOrDefault != null && lastOrDefault != null)
? _tracker.CalculateDps(Damage, lastOrDefault.Time - firstOrDefault.Time)
: _tracker.CalculateDps(Damage, TimeSpan.Zero);
}