85 lines
6.4 KiB
Plaintext
85 lines
6.4 KiB
Plaintext
//+------------------------------------------------------------------+
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//| StepMVA.mq5 |
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//| Copyright 2018, MetaQuotes Software Corp. |
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//| https://mql5.com |
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//+------------------------------------------------------------------+
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#property copyright "Copyright 2018, MetaQuotes Software Corp."
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#property link "https://mql5.com"
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#property version "1.00"
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#property description "Moving Average with step"
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#property indicator_chart_window
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#property indicator_buffers 1
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#property indicator_plots 1
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//--- plot StepMA
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#property indicator_label1 "StepMA"
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#property indicator_type1 DRAW_LINE
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#property indicator_color1 clrCadetBlue
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#property indicator_style1 STYLE_SOLID
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#property indicator_width1 2
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//--- input parameters
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input uint InpPeriodMA = 10; // Period
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input uint InpStepMA = 5; // Step
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//--- indicator buffers
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double BufferStepMA[];
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//--- global variables
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int step;
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int period_ma;
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//+------------------------------------------------------------------+
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//| Custom indicator initialization function |
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//+------------------------------------------------------------------+
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int OnInit()
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{
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//--- set global variables
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period_ma=int(InpPeriodMA<1 ? 1 : InpPeriodMA);
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step=int(InpStepMA<1 ? 1 : InpStepMA);
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//--- indicator buffers mapping
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SetIndexBuffer(0,BufferStepMA,INDICATOR_DATA);
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//--- setting indicator parameters
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IndicatorSetString(INDICATOR_SHORTNAME,"StepMA ("+(string)period_ma+","+(string)step+")");
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IndicatorSetInteger(INDICATOR_DIGITS,Digits());
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//--- setting buffer arrays as timeseries
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ArraySetAsSeries(BufferStepMA,true);
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//---
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return(INIT_SUCCEEDED);
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}
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//+------------------------------------------------------------------+
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//| Custom indicator iteration function |
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//+------------------------------------------------------------------+
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int OnCalculate(const int rates_total,
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const int prev_calculated,
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const datetime &time[],
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const double &open[],
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const double &high[],
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const double &low[],
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const double &close[],
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const long &tick_volume[],
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const long &volume[],
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const int &spread[])
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{
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//--- Установка массивов буферов как таймсерий
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ArraySetAsSeries(close,true);
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//--- Проверка количества доступных баров
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if(rates_total<fmax(period_ma*step,4)) return 0;
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//--- Проверка и расчёт количества просчитываемых баров
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int limit=rates_total-prev_calculated;
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if(limit>1)
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{
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limit=rates_total-1-period_ma*step;
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ArrayInitialize(BufferStepMA,EMPTY_VALUE);
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}
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//--- Расчёт индикатора
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for(int i=limit; i>=0 && !IsStopped(); i--)
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{
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double sum=0;
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for(int j=0; j<period_ma; j++)
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{
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sum+=close[i+j*step];
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}
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BufferStepMA[i]=sum/period_ma;
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}
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//--- return value of prev_calculated for next call
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return(rates_total);
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}
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//+------------------------------------------------------------------+
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