//  iTest.mq4
#property copyright "Copyright © 2005, AAE."
#property link "rz1zr@mail.ru"
#property indicator_chart_window
#property indicator_buffers 3
//#property indicator_color1 Magenta
//#property indicator_color2 Lime
//#property indicator_color3 Green
//---- input parameters
//extern double k1 = 0;
//extern int p1 = 3;
extern int CountBars=300;

//---- buffers
double val1[];
double val2[];
double val3[];
//   Custom indicator initialization function
int init()
  {
   string short_name;
//---- indicator line
   IndicatorBuffers(3);
   SetIndexStyle(0,DRAW_ARROW);
   SetIndexArrow(0,159);
   SetIndexStyle(1,DRAW_ARROW);
   SetIndexArrow(1,159);
   SetIndexStyle(2,DRAW_ARROW);
   SetIndexArrow(2,159);
   SetIndexBuffer(0,val1);
   SetIndexBuffer(1,val2);
   SetIndexBuffer(2,val3);
   IndicatorDigits(MarketInfo(Symbol(),MODE_DIGITS));
   IndicatorShortName("iTest");
//----
   return(0);
  }
//  iTest
int start()
  {
   SetIndexDrawBegin(0,Bars-CountBars);
   SetIndexDrawBegin(1,Bars-CountBars);
   SetIndexDrawBegin(2,Bars-CountBars);
   int i,per,MyBars,counted_bars=IndicatorCounted();
   double i1,i2,i3,i4,i5,i6,i7,i8,i9.i10,i11,i12,i13;
   bool Sell=false, Buy=false;
   string txt="";
   string txt2="";
   string txt3="";
   string txt4="";
//----
   i=CountBars;
   while(i>=0)
     {
	val1[i]=0;
	val2[i]=0;
	val3[i]=0;

i1 = ((Open[i+1]+High[i+1]+Low[i+1]+Close[i+1])/4);
i2 = ((Open[i+2]+High[i+2]+Low[i+2]+Close[i+2])/4);
i3 = ((Open[i+3]+High[i+3]+Low[i+3]+Close[i+3])/4);

if (((i1-i2)<0) && (! Sell || MyBars==CountBars) )
		{//если 1-й бар с сигналом SELL - забиваем стрелку вниз
			val1[i]=High[i]+3*Point;
			Sell=true; Buy=false; MyBars=Bars-i;
			txt="SELL";
			txt2=((Open[i+1]-Close[i+1])*10000);
		}

	if (((i1-i2)>0) && (! Buy || MyBars==CountBars) )
		{//если 1-й бар с сигналом BUY - забиваем стрелку вверх
			val2[i]=Low[i]-3*Point;
			Buy=true; Sell=false; MyBars=Bars-1;
			txt="BUY";
			txt2=((Close[i+1]-Open[i+1])*10000);
		}

if (((i2-i3)<0) && (! Sell || MyBars==CountBars) )
		{//если 1-й бар с сигналом SELL - забиваем стрелку вниз
			val2[i]=High[i]+3*Point;
			Sell=true; Buy=false; MyBars=Bars-i;
			txt3="SELL";
			txt4=((Open[i+2]-Close[i+2])*10000);
		}

	if (((i2-i3)>0) && (! Buy || MyBars==CountBars) )
		{//если 1-й бар с сигналом BUY - забиваем стрелку вверх
			val3[i]=Low[i]-4*Point;
			Buy=true; Sell=false; MyBars=Bars-2;
			txt3="BUY";
			txt4=(((Close[i+2]-Open[i+2]))*10000);
		}
		
if (val1[i]==0 && val2[i]==0 && MyBars==CountBars)
	{//если сигнал пропал
		Sell=!Sell;
		Buy=!Buy;
		MyBars=MyBars-1;
		
if (val2[i]==0 && val3[i]==0 && MyBars==CountBars)
	{//если сигнал пропал
		Sell=!Sell;
		Buy=!Buy;
		MyBars=MyBars-2;
	}
	}

  Comment("\n","1 candle back.",
          "\n","Open: ",Open[i+1],
          "\n","High: ",High[i+1],
          "\n","Low: ",Low[i+1],
          "\n","Close: ",Close[i+1],
          "\n","Average [-1]: ",i1,
          "\n",i1," - ",i2," = ",txt,
          "\n","Profit = ",txt2,"\n","\n",
          
          "2 candles back.",
          "\n","Open: ",Open[i+2],
          "\n","High: ",High[i+2],
          "\n","Low: ",Low[i+2],
          "\n","Close: ",Close[i+2],
          "\n",i2," - ",i3," = ",txt3,
          "\n","Average [-2]: ",i2,"\n",
          "\n","Profit = ",txt4,"\n","\n",
          ); 
           
    
  i--;
   }
  return(0);
}