//+------------------------------------------------------------------+
//|                                                  Heiken Ashi.mq4 |
//|                      Copyright c 2004, MetaQuotes Software Corp. |
//|                                        http://www.metaquotes.net |
//+------------------------------------------------------------------+
//| For Heiken Ashi we recommend next chart settings ( press F8 or   |
//| select on menu 'Charts'->'Properties...'):                       |
//|  - On 'Color' Tab select 'Black' for 'Line Graph'                |
//|  - On 'Common' Tab disable 'Chart on Foreground' checkbox and    |
//|    select 'Line Chart' radiobutton                               |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2004, MetaQuotes Software Corp."
#property link      "http://www.metaquotes.net"

#property indicator_separate_window
#property indicator_buffers 3
#property indicator_color1 Red
#property indicator_color2 Lime
#property indicator_color3 Yellow
#property indicator_width1 2
#property indicator_width2 2
#property indicator_width3 2
#property indicator_minimum 0.0
#property indicator_maximum 50.5

//---- parameters
extern int MaMetod =2;
extern int MaPeriod=6;
extern int MaMetod2 =3;
extern int MaPeriod2=2;
//---- buffers
double haDOJI[];
double haDN[];
double haUP[];
//----
int ExtCountedBars=0;
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//|------------------------------------------------------------------|
int init()
  {
//---- indicators
   SetIndexStyle(0,DRAW_ARROW);
   SetIndexBuffer(0, haDN);
   SetIndexArrow(0, 167);
   SetIndexStyle(1,DRAW_ARROW);
   SetIndexBuffer(1, haUP);
   SetIndexArrow(1, 167);
   SetIndexStyle(2,DRAW_ARROW);
   SetIndexBuffer(2, haDOJI);
   SetIndexArrow(2, 167);
//---- indicator buffers mapping
   SetIndexBuffer(0,haDN);
   SetIndexBuffer(1,haUP);
   SetIndexBuffer(2,haDOJI);
//---- initialization done
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function                       |
//+------------------------------------------------------------------+
int deinit()
  {
//---- TODO: add your code here
   
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start()
  {
   //double haOpen, haHigh, haLow, haClose;
   if(Bars<=10) return(0);
   ExtCountedBars=IndicatorCounted();
//---- check for possible errors
   if (ExtCountedBars<0) return(-1);
//---- last counted bar will be recounted
   if (ExtCountedBars>0) ExtCountedBars--;
   int pos=Bars-ExtCountedBars-1;
   while(pos>=0)
     {
      double haOpen   = iCustom(NULL,0,"HPT - Heiken Ashi Smoothed",MaMetod,MaPeriod,MaMetod2,MaPeriod2,2,pos) ;
      double haClose  = iCustom(NULL,0,"HPT - Heiken Ashi Smoothed",MaMetod,MaPeriod,MaMetod2,MaPeriod2,3,pos) ;
      double haOpen1  = iCustom(NULL,0,"HPT - Heiken Ashi Smoothed",MaMetod,MaPeriod,MaMetod2,MaPeriod2,0,pos) ;
      double haClose1 = iCustom(NULL,0,"HPT - Heiken Ashi Smoothed",MaMetod,MaPeriod,MaMetod2,MaPeriod2,1,pos) ;
      haUP[pos]=EMPTY_VALUE;
      haDN[pos]=EMPTY_VALUE;
      haDOJI[pos]=EMPTY_VALUE;

      if (haOpen>haClose&&haOpen1>haClose1) 
      {
         haDN[pos]=50;
      }
      else if (haOpen<haClose&&haOpen1<haClose1)
      {
         haUP[pos]=50;
      }
      else
      {
         haDOJI[pos]=50;
      }
      
 	   pos--;
     }
//----
   return(0);
  }
//+------------------------------------------------------------------+