Rsi EMA Engulf V3.1

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Rsi EMA Engulf V3.1
#property copyright   "http://bc.vc/ohKDegn"
#property link        "http://bc.vc/ohKDegn"
#property description "VISIT SITE 4 MORE FREE INDICATORS & EXPERT ADVISORS "
#property version     "1.2"
#property strict

//--- indicator settings
#property indicator_chart_window
#property indicator_buffers 2
#property indicator_plots 2

#property indicator_type1 DRAW_ARROW
#property indicator_width1 5
#property indicator_color1 0xFFAA00
#property indicator_label1 "Buy"

#property indicator_type2 DRAW_ARROW
#property indicator_width2 5
#property indicator_color2 0x0000FF
#property indicator_label2 "Sell"

#define PLOT_MAXIMUM_BARS_BACK 5000
#define OMIT_OLDEST_BARS 50

//--- indicator buffers
double Buffer1[];
double Buffer2[];

input double RsiLow = 40;
input int RsiPeriod = 10;
input double RsiHigh = 60;
input int EmaMovingAverage = 60;
input int Shiftpast = 6;
input int Shiftnow = 5;
datetime time_alert; //used when sending alert
input bool Send_Email = true;
input bool Audible_Alerts = true;
input bool Push_Notifications = true;
double myPoint; //initialized in OnInit
int RSI_handle;
double RSI[];
double Close[];
double Open[];
double High[];
int MA_handle;
double MA[];
double Low[];

void myAlert(string type, string message)
  {
   int handle;
   if(type == "print")
      Print(message);
   else if(type == "error")
     {
      Print(type+" | Rsi EMA Engulf V3 @ "+Symbol()+","+IntegerToString(Period())+" | "+message);
     }
   else if(type == "order")
     {
     }
   else if(type == "modify")
     {
     }
   else if(type == "indicator")
     {
      Print(type+" | Rsi EMA Engulf V3 @ "+Symbol()+","+IntegerToString(Period())+" | "+message);
      if(Audible_Alerts) Alert(type+" | Rsi EMA Engulf V3 @ "+Symbol()+","+IntegerToString(Period())+" | "+message);
      if(Send_Email) SendMail("Rsi EMA Engulf V3", type+" | Rsi EMA Engulf V3 @ "+Symbol()+","+IntegerToString(Period())+" | "+message);
      handle = FileOpen("Rsi EMA Engulf V3.txt", FILE_TXT|FILE_READ|FILE_WRITE|FILE_SHARE_READ|FILE_SHARE_WRITE, ';');
      if(handle != INVALID_HANDLE)
        {
         FileSeek(handle, 0, SEEK_END);
         FileWrite(handle, type+" | Rsi EMA Engulf V3 @ "+Symbol()+","+IntegerToString(Period())+" | "+message);
         FileClose(handle);
        }
      if(Push_Notifications) SendNotification(type+" | Rsi EMA Engulf V3 @ "+Symbol()+","+IntegerToString(Period())+" | "+message);
     }
  }

//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int OnInit()
  {   
   SetIndexBuffer(0, Buffer1);
   PlotIndexSetDouble(0, PLOT_EMPTY_VALUE, EMPTY_VALUE);
   PlotIndexSetInteger(0, PLOT_DRAW_BEGIN, MathMax(Bars(Symbol(), PERIOD_CURRENT)-PLOT_MAXIMUM_BARS_BACK+1, OMIT_OLDEST_BARS+1));
   PlotIndexSetInteger(0, PLOT_ARROW, 241);
   SetIndexBuffer(1, Buffer2);
   PlotIndexSetDouble(1, PLOT_EMPTY_VALUE, EMPTY_VALUE);
   PlotIndexSetInteger(1, PLOT_DRAW_BEGIN, MathMax(Bars(Symbol(), PERIOD_CURRENT)-PLOT_MAXIMUM_BARS_BACK+1, OMIT_OLDEST_BARS+1));
   PlotIndexSetInteger(1, PLOT_ARROW, 242);
   //initialize myPoint
   myPoint = Point();
   if(Digits() == 5 || Digits() == 3)
     {
      myPoint *= 10;
     }
   RSI_handle = iRSI(NULL, PERIOD_CURRENT, RsiPeriod, PRICE_CLOSE);
   if(RSI_handle < 0)
     {
      Print("The creation of iRSI has failed: RSI_handle=", INVALID_HANDLE);
      Print("Runtime error = ", GetLastError());
      return(INIT_FAILED);
     }
   
   MA_handle = iMA(NULL, PERIOD_CURRENT, EmaMovingAverage, 0, MODE_EMA, PRICE_CLOSE);
   if(MA_handle < 0)
     {
      Print("The creation of iMA has failed: MA_handle=", INVALID_HANDLE);
      Print("Runtime 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[])
  {
   int limit = rates_total - prev_calculated;
   //--- counting from 0 to rates_total
   ArraySetAsSeries(Buffer1, true);
   ArraySetAsSeries(Buffer2, true);
   //--- initial zero
   if(prev_calculated < 1)
     {
      ArrayInitialize(Buffer1, EMPTY_VALUE);
      ArrayInitialize(Buffer2, EMPTY_VALUE);
     }
   else
      limit++;
   datetime Time[];
   
   if(BarsCalculated(RSI_handle) <= 0) 
      return(0);
   if(CopyBuffer(RSI_handle, 0, 0, rates_total, RSI) <= 0) return(rates_total);
   ArraySetAsSeries(RSI, true);
   if(CopyClose(Symbol(), PERIOD_CURRENT, 0, rates_total, Close) <= 0) return(rates_total);
   ArraySetAsSeries(Close, true);
   if(CopyOpen(Symbol(), PERIOD_CURRENT, 0, rates_total, Open) <= 0) return(rates_total);
   ArraySetAsSeries(Open, true);
   if(CopyHigh(Symbol(), PERIOD_CURRENT, 0, rates_total, High) <= 0) return(rates_total);
   ArraySetAsSeries(High, true);
   if(BarsCalculated(MA_handle) <= 0) 
      return(0);
   if(CopyBuffer(MA_handle, 0, 0, rates_total, MA) <= 0) return(rates_total);
   ArraySetAsSeries(MA, true);
   if(CopyLow(Symbol(), PERIOD_CURRENT, 0, rates_total, Low) <= 0) return(rates_total);
   ArraySetAsSeries(Low, true);
   if(CopyTime(Symbol(), Period(), 0, rates_total, Time) <= 0) return(rates_total);
   ArraySetAsSeries(Time, true);
   //--- main loop
   for(int i = limit-1; i >= 0; i--)
     {
      if (i >= MathMin(PLOT_MAXIMUM_BARS_BACK-1, rates_total-1-OMIT_OLDEST_BARS)) continue; //omit some old rates to prevent "Array out of range" or slow calculation   
      
      //Indicator Buffer 1
      if(RSI[i] < RsiLow //Relative Strength Index < fixed value
      && Close[1+i] > Open[1+i] //Candlestick Close > Candlestick Open
      && Close[2+i] < Open[2+i] //Candlestick Close < Candlestick Open
      && Close[1+i] > Open[2+i] //Candlestick Close > Candlestick Open
      && Close[1+i] < High[2+i] //Candlestick Close < Candlestick High
      && Close[1+i] < MA[1+i] //Candlestick Close < Moving Average
      && MA[Shiftpast+i] < MA[Shiftnow+i] //Moving Average < Moving Average
      )
        {
         Buffer1[i] = Low[i]; //Set indicator value at Candlestick Low
         if(i == 1 && Time[1] != time_alert) myAlert("indicator", "Buy"); //Alert on next bar open
         time_alert = Time[1];
        }
      else
        {
         Buffer1[i] = EMPTY_VALUE;
        }
      //Indicator Buffer 2
      if(RSI[i] > RsiHigh //Relative Strength Index > fixed value
      && Close[1+i] < Open[1+i] //Candlestick Close < Candlestick Open
      && Close[2+i] > Open[2+i] //Candlestick Close > Candlestick Open
      && Close[1+i] < Open[2+i] //Candlestick Close < Candlestick Open
      && Close[1+i] > Low[2+i] //Candlestick Close > Candlestick Low
      && Close[1+i] > MA[1+i] //Candlestick Close > Moving Average
      && MA[Shiftpast+i] > MA[Shiftnow+i] //Moving Average > Moving Average
      )
        {
         Buffer2[i] = High[i]; //Set indicator value at Candlestick High
         if(i == 1 && Time[1] != time_alert) myAlert("indicator", "Sell"); //Alert on next bar open
         time_alert = Time[1];
        }
      else
        {
         Buffer2[i] = EMPTY_VALUE;
        }
     }
   return(rates_total);
  }
//+------------------------------------------------------------------+

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