//+------------------------------------------------------------------+ //| Pain.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 "Pain oscillator" #property indicator_separate_window #property indicator_buffers 5 #property indicator_plots 1 //--- plot Pain #property indicator_label1 "Pain" #property indicator_type1 DRAW_LINE #property indicator_color1 clrLightSeaGreen #property indicator_style1 STYLE_SOLID #property indicator_width1 1 //--- input parameters input uint InpPeriod = 10; // Period input ENUM_MA_METHOD InpMethod = MODE_SMA; // Method //--- indicator buffers double BufferPain[]; double BufferMAOpen[]; double BufferMAHigh[]; double BufferMALow[]; double BufferMAClose[]; //--- global variables int period; int handle_mao; int handle_mah; int handle_mal; int handle_mac; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int OnInit() { //--- set global variables period=int(InpPeriod<1 ? 1 : InpPeriod); //--- indicator buffers mapping SetIndexBuffer(0,BufferPain,INDICATOR_DATA); SetIndexBuffer(1,BufferMAOpen,INDICATOR_CALCULATIONS); SetIndexBuffer(2,BufferMAHigh,INDICATOR_CALCULATIONS); SetIndexBuffer(3,BufferMALow,INDICATOR_CALCULATIONS); SetIndexBuffer(4,BufferMAClose,INDICATOR_CALCULATIONS); //--- setting indicator parameters IndicatorSetString(INDICATOR_SHORTNAME,"Pain ("+(string)period+")"); IndicatorSetInteger(INDICATOR_DIGITS,Digits()); //--- setting buffer arrays as timeseries ArraySetAsSeries(BufferPain,true); ArraySetAsSeries(BufferMAOpen,true); ArraySetAsSeries(BufferMAHigh,true); ArraySetAsSeries(BufferMALow,true); ArraySetAsSeries(BufferMAClose,true); //--- create MA's handles ResetLastError(); handle_mao=iMA(NULL,PERIOD_CURRENT,period,0,InpMethod,PRICE_OPEN); if(handle_mao==INVALID_HANDLE) { Print("The iMA(",(string)period,") by PRICE_OPEN object was not created: Error ",GetLastError()); return INIT_FAILED; } handle_mah=iMA(NULL,PERIOD_CURRENT,period,0,InpMethod,PRICE_HIGH); if(handle_mah==INVALID_HANDLE) { Print("The iMA(",(string)period,") by PRICE_HIGH object was not created: Error ",GetLastError()); return INIT_FAILED; } handle_mal=iMA(NULL,PERIOD_CURRENT,period,0,InpMethod,PRICE_LOW); if(handle_mal==INVALID_HANDLE) { Print("The iMA(",(string)period,") by PRICE_LOW object was not created: Error ",GetLastError()); return INIT_FAILED; } handle_mac=iMA(NULL,PERIOD_CURRENT,period,0,InpMethod,PRICE_CLOSE); if(handle_mac==INVALID_HANDLE) { Print("The iMA(",(string)period,") by PRICE_CLOSE object was not created: Error ",GetLastError()); return INIT_FAILED; } //--- 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[]) { //--- Проверка и расчёт количества просчитываемых баров if(rates_total<4) return 0; //--- Проверка и расчёт количества просчитываемых баров int limit=rates_total-prev_calculated; if(limit>1) { limit=rates_total-1; ArrayInitialize(BufferPain,EMPTY_VALUE); ArrayInitialize(BufferMAOpen,0); ArrayInitialize(BufferMAHigh,0); ArrayInitialize(BufferMALow,0); ArrayInitialize(BufferMAClose,0); } //--- Подготовка данных int count=(limit>1 ? rates_total : 1),copied=0; copied=CopyBuffer(handle_mao,0,0,count,BufferMAOpen); if(copied!=count) return 0; copied=CopyBuffer(handle_mah,0,0,count,BufferMAHigh); if(copied!=count) return 0; copied=CopyBuffer(handle_mal,0,0,count,BufferMALow); if(copied!=count) return 0; copied=CopyBuffer(handle_mac,0,0,count,BufferMAClose); if(copied!=count) return 0; //--- Расчёт индикатора for(int i=limit; i>=0 && !IsStopped(); i--) BufferPain[i]=(3.0*BufferMAClose[i]-BufferMAOpen[i]-BufferMAHigh[i]-BufferMALow[i])/2.0; //--- return value of prev_calculated for next call return(rates_total); } //+------------------------------------------------------------------+