Cindeck.Core.Simulator.CalculateLife C# (CSharp) Method

        private int CalculateLife(Unit unit, Idol guest)
        {
            if(unit==null)
            {
                return 0;
            }

            var life = 0;
            var centerEffect = unit.Center?.CenterEffect is CenterEffect.LifeUp ? (CenterEffect.LifeUp)unit.Center.CenterEffect : null;
            var guestCenterEffect = guest?.CenterEffect is CenterEffect.LifeUp ? (CenterEffect.LifeUp)guest.CenterEffect : null;

            foreach (var idol in unit.Slots.Cast<IIdol>().Concat(Enumerable.Repeat(guest,1)))
            {
                if (idol == null) continue;

                var rate = 1.0;
                if (centerEffect!=null && centerEffect.Targets.HasFlag(idol.Category) == true)
                {
                    rate += centerEffect.Rate;
                }
                if (guestCenterEffect != null && guestCenterEffect.Targets.HasFlag(idol.Category) == true)
                {
                    rate += guestCenterEffect.Rate;
                }
                life += (int)Math.Ceiling(Math.Round(idol.Life * rate, 3));
            }
            return life;
        }