Time Segmented Volume indicator

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

namespace cAlgo
{
    [Levels(0)]
    [Indicator(IsOverlay = false, AutoRescale = false, AccessRights = AccessRights.None)]
    public class mTimeSegmentedVolume : Indicator
    {
        [Parameter("Main Periods (13)", DefaultValue = 13)]
        public int inpPeriodsMain { get; set; }
        [Parameter("Smooth Periods (7)", DefaultValue = 7)]
        public int inpPeriodsSmooth { get; set; }

        [Output("Time Segmented Volume", LineColor = "Black", PlotType = PlotType.Line, LineStyle = LineStyle.Solid, Thickness = 1)]
        public IndicatorDataSeries outTSV { get; set; }
        [Output("Time Segmented Volume Smooth", LineColor = "Red", PlotType = PlotType.Line, LineStyle = LineStyle.Solid, Thickness = 1)]
        public IndicatorDataSeries outTSVsmooth { get; set; }
        
        private IndicatorDataSeries _delta, _segment;
        private MovingAverage _smoothma;
        

        protected override void Initialize()
        {
            _delta = CreateDataSeries();
            _segment = CreateDataSeries();
            _smoothma = Indicators.MovingAverage(_segment, inpPeriodsSmooth, MovingAverageType.Simple);
        }

        public override void Calculate(int i)
        {
            _delta[i] = i>1 && Bars.ClosePrices[i] != Bars.ClosePrices[i-1] ? (Bars.ClosePrices[i] - Bars.ClosePrices[i-1]) * Bars.TickVolumes[i] : 0;
            _segment[i] = _delta.Sum(inpPeriodsMain);
            
            outTSV[i] = _segment[i];
            outTSVsmooth[i] = _smoothma.Result[i];
        }
    }
}