TMAG indicator

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

namespace cAlgo
{
    [Levels(0)]
    [Indicator(IsOverlay = false, AccessRights = AccessRights.None)]
    public class mTMAG : Indicator
    {
        [Parameter("DMS Periods (14)", DefaultValue =14)]
        public int inpPeriodDMS { get; set; }
        [Parameter("Fast Periods (8)", DefaultValue =8)]
        public int inpPeriodFast { get; set; }
        [Parameter("Middle Periods (16)", DefaultValue =16)]
        public int inpPeriodMiddle { get; set; }
        [Parameter("Slow Periods (25)", DefaultValue =25)]
        public int inpPeriodSlow { get; set; }
        [Parameter("Smooth Fast Period (3)", DefaultValue =3)]
        public int inpPeriodSmoothFast{ get; set; }
        [Parameter("Smooth Slow Period (8)", DefaultValue =8)]
        public int inpPeriodSmoothSlow{ get; set; }
        [Parameter("Range Bands Period: (200)", DefaultValue = 200)]
        public int inpBandsPeriod { get; set; }
        [Parameter("Range Bands Deviation: (1.1618)", DefaultValue = 0.618)]
        public double inpBandsStdDev { get; set; }

        [Output("TMSAG", LineColor = "Black", PlotType = PlotType.Line, LineStyle = LineStyle.Solid, Thickness = 1)]
        public IndicatorDataSeries outTMSAG { get; set; }
        [Output("Signal", LineColor = "Red", PlotType = PlotType.Line, LineStyle = LineStyle.Solid, Thickness = 1)]
        public IndicatorDataSeries outSignal { get; set; }
        [Output("Range Up", LineColor = "Magenta", PlotType = PlotType.Line, Thickness = 1)]
        public IndicatorDataSeries outBBrangeup { get; set; }
        [Output("Range Down", LineColor = "Magenta", PlotType = PlotType.Line, Thickness = 1)]
        public IndicatorDataSeries outBBrangedn { get; set; }
        
        private DirectionalMovementSystem _dms;
        private MovingAverage _mafast, _mamiddle, _maslow, _smoothfast, _smoothslow;
        private IndicatorDataSeries _raw;
        private BollingerBands _bbrange;
        

        protected override void Initialize()
        {
            _dms = Indicators.DirectionalMovementSystem(inpPeriodDMS);
            _mafast = Indicators.MovingAverage(Bars.ClosePrices, inpPeriodFast, MovingAverageType.Simple);
            _mamiddle = Indicators.MovingAverage(Bars.ClosePrices, inpPeriodMiddle, MovingAverageType.Simple);
            _maslow = Indicators.MovingAverage(Bars.ClosePrices, inpPeriodSlow, MovingAverageType.Simple);
            _raw = CreateDataSeries();
            _smoothfast = Indicators.MovingAverage(_raw, inpPeriodSmoothFast, MovingAverageType.Simple);
            _smoothslow = Indicators.MovingAverage(_raw, inpPeriodSmoothSlow, MovingAverageType.Weighted);
            _bbrange = Indicators.BollingerBands(_raw, inpBandsPeriod, inpBandsStdDev, MovingAverageType.Simple);
        }

        public override void Calculate(int i)
        {
            _raw[i] = (Math.Abs(_mafast.Result[i] - _mamiddle.Result[i]) + Math.Abs(_mafast.Result[i] - _maslow.Result[i]) + Math.Abs(_mamiddle.Result[i] - _maslow.Result[i])) * (_dms.DIPlus[i] - _dms.DIMinus[i]);
            
            outTMSAG[i] = _smoothfast.Result[i];
            outSignal[i] = _smoothslow.Result[i];
            outBBrangeup[i] = _bbrange.Top[i];
            outBBrangedn[i] = _bbrange.Bottom[i];
        }
    }
}