//+------------------------------------------------------------------+ //| RSI_Overlay.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 "RSI Overlay indicator." #property description "Colored bars depending on RSI Oscillator." #property description " Available modes:" #property description "1) RSI above or below 50 Line" #property description "2) Compare Current RSI value with Previous RSI value" #property description "3) RSI Above Overbought or Below Oversold" #property indicator_chart_window #property indicator_buffers 6 #property indicator_plots 1 //--- plot Candle #property indicator_label1 "Open;High;Low;Close" #property indicator_type1 DRAW_COLOR_CANDLES #property indicator_color1 clrForestGreen,clrMediumAquamarine,clrRed,clrBurlyWood,clrLightGray #property indicator_style1 STYLE_SOLID #property indicator_width1 1 //--- enums enum ENUM_METHOD_OVERLAY { METHOD_OVL_50, // RSI vs level 50 METHOD_OVL_OBOS, // RSI vs OB/OS levels METHOD_OVL_VALUES // Current and previous RSI values }; //--- enum ENUM_CANDLE_TYPE { CANDLE_TYPE_BULLISH, CANDLE_TYPE_BEARISH, CANDLE_TYPE_NEUTRAL, }; //--- input parameters input ENUM_METHOD_OVERLAY InpMethodOvl = METHOD_OVL_50; // Data RSI Compare mode input uint InpPeriod = 14; // RSI period input ENUM_APPLIED_PRICE InpAppliedPrice = PRICE_CLOSE; // RSI applied price input double InpOverbought = 70.0; // RSI overbought input double InpOversold = 30.0; // RSI oversold //--- indicator buffers double BufferCandleOpen[]; double BufferCandleHigh[]; double BufferCandleLow[]; double BufferCandleClose[]; double BufferColors[]; double BufferRSI[]; //--- global variables double overbought; double oversold; int period; int handle_rsi; bool prev_fgnd; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int OnInit() { //--- set global variables period=int(InpPeriod<1 ? 1 : InpPeriod); overbought=(InpOverbought>100 ? 100 : InpOverbought<0.1 ? 0.1 : InpOverbought); oversold=(InpOversold<0 ? 0 : InpOversold>=overbought ? overbought-0.1 : InpOversold); prev_fgnd=ChartGetInteger(0,CHART_FOREGROUND); ChartSetInteger(0,CHART_FOREGROUND,false); ChartRedraw(); //--- indicator buffers mapping SetIndexBuffer(0,BufferCandleOpen,INDICATOR_DATA); SetIndexBuffer(1,BufferCandleHigh,INDICATOR_DATA); SetIndexBuffer(2,BufferCandleLow,INDICATOR_DATA); SetIndexBuffer(3,BufferCandleClose,INDICATOR_DATA); SetIndexBuffer(4,BufferColors,INDICATOR_COLOR_INDEX); SetIndexBuffer(5,BufferRSI,INDICATOR_CALCULATIONS); //--- setting indicator parameters IndicatorSetString(INDICATOR_SHORTNAME,"RSI Overlay ("+(string)period+")"); IndicatorSetInteger(INDICATOR_DIGITS,Digits()); //--- setting buffer arrays as timeseries ArraySetAsSeries(BufferCandleOpen,true); ArraySetAsSeries(BufferCandleHigh,true); ArraySetAsSeries(BufferCandleLow,true); ArraySetAsSeries(BufferCandleClose,true); ArraySetAsSeries(BufferColors,true); ArraySetAsSeries(BufferRSI,true); //--- create handles ResetLastError(); handle_rsi=iRSI(NULL,PERIOD_CURRENT,period,InpAppliedPrice); if(handle_rsi==INVALID_HANDLE) { Print("The iRSI(",(string)period,") object was not created: Error ",GetLastError()); return INIT_FAILED; } //--- return(INIT_SUCCEEDED); } //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ void OnDeinit(const int reason) { ChartSetInteger(0,CHART_FOREGROUND,prev_fgnd); ChartRedraw(); } //+------------------------------------------------------------------+ //| 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(open,true); ArraySetAsSeries(high,true); ArraySetAsSeries(low,true); ArraySetAsSeries(close,true); ArraySetAsSeries(time,true); //--- Проверка количества доступных баров if(rates_total1) { limit=rates_total-2; ArrayInitialize(BufferCandleOpen,EMPTY_VALUE); ArrayInitialize(BufferCandleHigh,EMPTY_VALUE); ArrayInitialize(BufferCandleLow,EMPTY_VALUE); ArrayInitialize(BufferCandleClose,EMPTY_VALUE); ArrayInitialize(BufferColors,4); ArrayInitialize(BufferRSI,0); } //--- Подготовка данных int count=(limit>1 ? rates_total : 1),copied=0; copied=CopyBuffer(handle_rsi,0,0,count,BufferRSI); if(copied!=count) return 0; //--- Расчёт индикатора for(int i=limit; i>=0 && !IsStopped(); i--) { BufferCandleOpen[i]=open[i]; BufferCandleHigh[i]=high[i]; BufferCandleLow[i]=low[i]; BufferCandleClose[i]=close[i]; ENUM_CANDLE_TYPE type=CandleType(i,open,close); ENUM_CANDLE_TYPE overlay=CandleTypeOverlay(i); BufferColors[i]= ( overlay==CANDLE_TYPE_BULLISH ? (type==CANDLE_TYPE_BULLISH ? 0 : type==CANDLE_TYPE_BEARISH ? 1 : 4) : overlay==CANDLE_TYPE_BEARISH ? (type==CANDLE_TYPE_BEARISH ? 2 : type==CANDLE_TYPE_BULLISH ? 3 : 4) : 4 ); } //--- return value of prev_calculated for next call return(rates_total); } //+------------------------------------------------------------------+ //| Возвращает тип рисуемой свечи | //+------------------------------------------------------------------+ ENUM_CANDLE_TYPE CandleTypeOverlay(const int shift) { return ( InpMethodOvl==METHOD_OVL_OBOS ? (BufferRSI[shift]>overbought ? CANDLE_TYPE_BULLISH : BufferRSI[shift]BufferRSI[shift+1] ? CANDLE_TYPE_BULLISH : BufferRSI[shift]50 ? CANDLE_TYPE_BULLISH : BufferRSI[shift]<50 ? CANDLE_TYPE_BEARISH : CANDLE_TYPE_NEUTRAL) ); } //+------------------------------------------------------------------+ //| Возвращает тип свечи | //+------------------------------------------------------------------+ ENUM_CANDLE_TYPE CandleType(const int shift,const double &open[],const double &close[]) { return(open[shift]close[shift] ? CANDLE_TYPE_BEARISH : CANDLE_TYPE_NEUTRAL); } //+------------------------------------------------------------------+