//+------------------------------------------------------------------+ //| Modified_Advance_Decline_Line.mq5 | //| Copyright 2018, MetaQuotes Software Corp. | //| https://mql5.com | //+------------------------------------------------------------------+ #property copyright "Copyright 2018, MetaQuotes Software Corp." #property link "https://mql5.com" #property version "1.00" #property description "Modified Advance Decline Line indicator" #property indicator_separate_window #property indicator_buffers 2 #property indicator_plots 1 //--- plot MAD #property indicator_label1 "MADL" #property indicator_type1 DRAW_LINE #property indicator_color1 clrRed #property indicator_style1 STYLE_SOLID #property indicator_width1 1 //--- input parameters input uint InpPeriod = 14; // Period //--- indicator buffers double BufferMAD[]; double BufferVol[]; //--- global variables int period_ma; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int OnInit() { //--- set global variables period_ma=int(InpPeriod<1 ? 1 : InpPeriod); //--- indicator buffers mapping SetIndexBuffer(0,BufferMAD,INDICATOR_DATA); SetIndexBuffer(1,BufferVol,INDICATOR_CALCULATIONS); //--- setting indicator parameters IndicatorSetString(INDICATOR_SHORTNAME,"MADL ("+(string)period_ma+")"); IndicatorSetInteger(INDICATOR_DIGITS,Digits()); //--- setting buffer arrays as timeseries ArraySetAsSeries(BufferMAD,true); ArraySetAsSeries(BufferVol,true); //--- return(INIT_SUCCEEDED); } //+------------------------------------------------------------------+ //| Custom indicator iteration function | //+------------------------------------------------------------------+ int OnCalculate(const int rates_total, const int prev_calculated, const datetime &time[], const double &open[], const double &high[], const double &low[], const double &close[], const long &tick_volume[], const long &volume[], const int &spread[]) { //--- Установка массивов буферов как таймсерий ArraySetAsSeries(high,true); ArraySetAsSeries(low,true); ArraySetAsSeries(close,true); ArraySetAsSeries(tick_volume,true); //--- Проверка и расчёт количества просчитываемых баров if(rates_total1) { limit=rates_total-2; ArrayInitialize(BufferMAD,0); ArrayInitialize(BufferVol,0); } //--- Подготовка данных for(int i=limit; i>=0 && !IsStopped(); i--) BufferVol[i]=(double)tick_volume[i]; //--- Расчёт индикатора for(int i=limit; i>=0 && !IsStopped(); i--) { double MA=GetSMA(rates_total,i,period_ma,BufferVol); BufferMAD[i]=(high[i]-low[i]==0 ? BufferMAD[i+1] : BufferMAD[i+1]+(2.0*close[i]-high[i]-low[i])/(high[i]-low[i])*(BufferVol[i]+MA)); } //--- return value of prev_calculated for next call return(rates_total); } //+------------------------------------------------------------------+ //| Simple Moving Average | //+------------------------------------------------------------------+ double GetSMA(const int rates_total,const int index,const int period,const double &price[],const bool as_series=true) { //--- double result=0.0; //--- check position bool check_index=(as_series ? index<=rates_total-period-1 : index>=period-1); if(period<1 || !check_index) return 0; //--- calculate value for(int i=0; i