DynamicRS indicator


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

namespace cAlgo
{
    [Indicator(IsOverlay = true, TimeZone = TimeZones.UTC, AccessRights = AccessRights.None)]
    public class mDynamicRS : Indicator
    {
        [Parameter("Periods (200)", DefaultValue = 200)]
        public int inpPeriods { get; set; }

        [Output("DRS", LineColor = "Black", PlotType = PlotType.DiscontinuousLine, LineStyle = LineStyle.Solid, Thickness = 1)]
        public IndicatorDataSeries outDynamicRS { get; set; }
        [Output("DRS Bullish", LineColor = "Green", PlotType = PlotType.DiscontinuousLine, LineStyle = LineStyle.Solid, Thickness = 2)]
        public IndicatorDataSeries outDynamicRSBullish { get; set; }
        [Output("DRS Bearish", LineColor = "Red", PlotType = PlotType.DiscontinuousLine, LineStyle = LineStyle.Solid, Thickness = 2)]
        public IndicatorDataSeries outDynamicRSBearish { get; set; }

        private IndicatorDataSeries _drs;


        protected override void Initialize()
        {
            _drs = CreateDataSeries();
        }

        public override void Calculate(int i)
        {
            if (i <= inpPeriods)
            {
                outDynamicRS[i] = _drs[i] = Bars.TypicalPrices[i];
                return;
            }

            _drs[i] = Bars.TypicalPrices[i];

            if (Bars.HighPrices[i] < Bars.HighPrices[i - 1] && Bars.HighPrices[i] < Bars.HighPrices[i - inpPeriods] && Bars.HighPrices[i] < _drs[i - 1])
            {
                _drs[i] = Bars.HighPrices[i];
                outDynamicRSBearish[i] = Bars.HighPrices[i];
            }
            else if (Bars.LowPrices[i] > Bars.LowPrices[i - 1] && Bars.LowPrices[i] > Bars.LowPrices[i - inpPeriods] && Bars.LowPrices[i] > _drs[i - 1])
            {
                _drs[i] = Bars.LowPrices[i];
                outDynamicRSBullish[i] = Bars.LowPrices[i];
            }
            else
            {
                _drs[i] = _drs[i - 1];

                if (_drs[i - 1] == outDynamicRSBullish[i - 1])
                    outDynamicRSBullish[i] = _drs[i - 1];
                else if (_drs[i - 1] == outDynamicRSBearish[i - 1])
                    outDynamicRSBearish[i] = _drs[i - 1];
            }

            outDynamicRS[i] = _drs[i];
        }
    }
}