fibo retracement 1.01.mq5

#property indicator_chart_window
#property indicator_buffers 1
extern int     ExtDepth         = 30;
extern int     ExtDeviation     = 5;
extern int     ExtBackstep      = 3;
extern string  FiboLevels       = "0;23.6;38.2;50;61.8;100";
extern color   Fibo1Color       = clrDodgerBlue;
extern int     Fibo1Width       = 1;
extern int     Fibo1Style       = STYLE_DOT;
extern int     Fibo1LevelsStyle = STYLE_SOLID;
extern bool    ShowSecondFibo   = true;
extern color   Fibo2Color       = clrDarkSlateGray;
extern int     Fibo2Width       = 1;
extern int     Fibo2Style       = STYLE_DOT;
extern int     Fibo2LevelsStyle = STYLE_SOLID;
extern bool    ShowThirdFibo    = true;
extern color   Fibo3Color       = clrGoldenrod;
extern int     Fibo3Width       = 1;
extern int     Fibo3Style       = STYLE_DOT;
extern int     Fibo3LevelsStyle = STYLE_SOLID;

extern string _                      = "alerts behaviour";
extern bool   alertsOn               = false;
extern double alertsTolerance        = 1.0;
extern bool   touchChanell           = false;
extern bool   alertsOnCurrent        = false;
extern bool   alertsMessage          = true;
extern bool   alertsSound            = false;
extern bool   alertsNotify           = false;
extern bool   alertsEmail            = false;
extern bool   alertsShowTouched      = true;
extern string soundFile              = "alert2.wav"; 
extern int    barsToShowCandles      = 1000;
extern color  BarUpColor             = Green; 
extern color  BarDownColor           = Red; 
extern color  WickColor              = Gray;
extern int    CandleWidth            = 3;

double ExtMapBuffer[];
double ExtLowBuffer[];
double ExtHighBuffer[];

int    totalCandles;
string windowID;
double levelv[];
string levels[];
double values[];

int init()
{
      // код доступен только после оплаты
   }
int deinit()
{
	ObjectDelete("Fibo1");
	ObjectDelete("Fibo2");
	ObjectDelete("Fibo3");
	deleteCandles();
return(0);
}

int start()
{
      // код доступен только после оплаты
   }   

void CalculateZigZag()
{
   int    shift, back,lasthighpos,lastlowpos,index;
   double val,res;
   double curlow,curhigh,lasthigh,lastlow;

   for(shift=Bars-ExtDepth; shift>=0; shift--)
     {
      index=iLowest(NULL,0,MODE_LOW,ExtDepth,shift);
      val=Low[index];
      if(val==lastlow) val=0.0;
      else 
        { 
         lastlow=val; 
         if((Low[shift]-val)>(ExtDeviation*Point)) val=0.0;
         else
           {
            for(back=1; back<=ExtBackstep; back++)
              {
               res=ExtLowBuffer[shift+back];
               if((res!=0)&&(res>val)) ExtLowBuffer[shift+back]=0.0; 
              }
           }
        } 
      ExtLowBuffer[shift]=0.0;
      if(val!=0.0) ExtLowBuffer[index]=val;

      index=iHighest(NULL,0,MODE_HIGH,ExtDepth,shift);
      val=High[index];
      if(val==lasthigh) val=0.0;
      else 
        {
         lasthigh=val;
         if((val-High[shift])>(ExtDeviation*Point)) val=0.0;
         else
           {
            for(back=1; back<=ExtBackstep; back++)
              {
               res=ExtHighBuffer[shift+back];
               if((res!=0)&&(res<val)) ExtHighBuffer[shift+back]=0.0; 
              } 
           }
        }
      ExtHighBuffer[shift]=0.0;
      if(val!=0.0) ExtHighBuffer[index]=val;
     }

   lasthigh=-1; la

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