//+------------------------------------------------------------------+
//|                                             Custom WPR@axe44.mq4 |
//|                   Copyright 2005-2014, MetaQuotes Software Corp. |
//|                                              http://www.mql4.com |
//+------------------------------------------------------------------+
#property copyright   "2005-2014, MetaQuotes Software Corp."
#property link        "http://www.mql4.com"
#property description "Moving Averages Convergence/Divergence"
#property strict

#include <MovingAverages.mqh>

//--- indicator settings
#property  indicator_separate_window
#property  indicator_buffers 2
#property  indicator_color1  Silver
#property  indicator_color2  Red
#property  indicator_width1  2

//--- indicator parameters
input int InpFastEMA=14;   // Fast EMA Period
input string Pereferics="";
//input int InpSlowEMA=26;   // Slow EMA Period
//input int InpSignalSMA=9;  // Signal SMA Period
//--- indicator buffers
double    ExtMacdBuffer[];
double    ExtSignalBuffer[];
//--- right input parameters flag
bool      ExtParameters=false;

//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int OnInit(void)
  {
   IndicatorDigits(Digits+1);
//--- drawing settings
   SetIndexStyle(0,DRAW_LINE);
   SetIndexStyle(1,DRAW_LINE);
//   SetIndexDrawBegin(1,InpSignalSMA);
//--- indicator buffers mapping
   SetIndexBuffer(0,ExtMacdBuffer);
   SetIndexBuffer(1,ExtSignalBuffer);
//--- name for DataWindow and indicator subwindow label
   IndicatorShortName("WPR("+IntegerToString(InpFastEMA)+")");
   SetIndexLabel(0,"MACD");
   SetIndexLabel(1,"Signal");
//--- check for input parameters
   if(InpFastEMA<=1  )
     {
      Print("Wrong input parameters");
      ExtParameters=false;
      return(INIT_FAILED);
     }
   else
      ExtParameters=true;
//--- initialization done
   return(INIT_SUCCEEDED);
  }
//+------------------------------------------------------------------+
//| Moving Averages Convergence/Divergence                           |
//+------------------------------------------------------------------+
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 i,limit;
//---
   if(!ExtParameters)
      return(0);
//--- last counted bar will be recounted
   limit=rates_total-prev_calculated;
   if(prev_calculated>0)
      limit++;
//--- macd counted in the 1-st buffer
   for(i=0; i<limit; i++)
      {
      ExtMacdBuffer[i]=((iMA(NULL,0,InpFastEMA,0,3,0,i)/iMA(NULL,0,InpFastEMA,0,3,1,i))-1)*10000;
      double gpbusd=((iMA("GBPUSD"+Pereferics,0,InpFastEMA,0,3,0,i)/iMA("GBPUSD"+Pereferics,0,InpFastEMA,0,3,1,i))-1)*10000;
      double gpbjpy=((iMA("GBPJPY"+Pereferics,0,InpFastEMA,0,3,0,i)/iMA("GBPJPY"+Pereferics,0,InpFastEMA,0,3,1,i))-1)*10000;
      double usdjpy=((iMA("USDJPY"+Pereferics,0,InpFastEMA,0,3,0,i)/iMA("USDJPY"+Pereferics,0,InpFastEMA,0,3,1,i))-1)*10000;
      double gpb=(gpbusd+gpbjpy)/2;
      double usd=(-gpbusd+usdjpy)/2;
      double jpy=-(usdjpy+gpbjpy)/2;
      
      
      
      }
//--- signal line counted in the 2-nd buffer
//   SimpleMAOnBuffer(rates_total,prev_calculated,0,InpSignalSMA,ExtMacdBuffer,ExtSignalBuffer);
//--- done
   return(rates_total);
  }
//+------------------------------------------------------------------+