Williams Accumulation Distribution Starc

using System;
using cAlgo.API;
using cAlgo.API.Indicators;
using cAlgo.API.Internals;

namespace cAlgo
{
    [Cloud("Filter", "Level100", FirstColor = "Orange", SecondColor = "Orange", Opacity = 0.1)]
    [Levels(-100)]
    [Indicator(AccessRights = AccessRights.None)]
    public class mADstarc : Indicator
    {        
        [Parameter("Smooth Periods (14)", DefaultValue = 14)]
        public int inpPeriodsSmooth { get; set; }
        [Parameter("ATR Periods (10)", DefaultValue = 10)]
        public int inpPeriodsATR { get; set; }
        [Parameter("Multiplier Top (2.0)", DefaultValue = 2.0)]
        public double inpMultiplierTop { get; set; }
        [Parameter("Multiplier Bottom (2.0)", DefaultValue = 2.0)]
        public double inpMultiplierBottom { get; set; }

        [Output("William's Accumulation Distribution Starc", LineColor = "Black", LineStyle = LineStyle.Solid, Thickness = 1)]
        public IndicatorDataSeries outDPO { get; set; }
        [Output("Top", LineColor = "Red", LineStyle = LineStyle.Solid, Thickness = 1)]
        public IndicatorDataSeries outTop { get; set; }
        [Output("Middle", LineColor = "Silver", LineStyle = LineStyle.Solid, Thickness = 1)]
        public IndicatorDataSeries outMid { get; set; }
        [Output("Bottom", LineColor = "Green", LineStyle = LineStyle.Solid, Thickness = 1)]
        public IndicatorDataSeries outBottom { get; set; }
        [Output("Filter", LineColor = "FF33C1F3", LineStyle = LineStyle.Solid, Thickness = 1)]
        public IndicatorDataSeries outFilter200 { get; set; }
        [Output("Level100", LineColor = "Transparent", LineStyle = LineStyle.Solid, Thickness = 1)]
        public IndicatorDataSeries outLevel100 { get; set; }
        
        private WilliamsAccumulationDistribution _ad;
        private MovingAverage _center, _atrma, _sma200;
        private IndicatorDataSeries _tr, _top, _bottom;
        

        protected override void Initialize()
        {
            _ad = Indicators.WilliamsAccumulationDistribution();
            _center = Indicators.MovingAverage(_ad.Result, inpPeriodsSmooth, MovingAverageType.Simple);
            _tr = CreateDataSeries();
            _atrma = Indicators.MovingAverage(_tr, inpPeriodsATR, MovingAverageType.Simple);
            _top = CreateDataSeries();
            _bottom = CreateDataSeries();
            _sma200 = Indicators.MovingAverage(_ad.Result, 200, MovingAverageType.Simple);
        }

        public override void Calculate(int i)
        {
            _tr[i] = i>1 ? Math.Abs(_ad.Result[i] - _ad.Result[i-1]) : Math.Abs(_ad.Result[i] - 0.0);
            _top[i] = _center.Result[i] + inpMultiplierTop * _atrma.Result[i];
            _bottom[i] = _center.Result[i] - inpMultiplierBottom * _atrma.Result[i];
            
            outDPO[i] = _ad.Result[i];
            outTop[i] = _top[i];
            outMid[i] = _center.Result[i];
            outBottom[i] = _bottom[i];
            outFilter200[i] = _sma200.Result[i];
        }
    }
}