i-GAP_v3

//+------------------------------------------------------------------+
//|                                                        i-GAP.mq4 |
//|                                           Êèì Èãîðü Â. aka KimIV |
//|                                              http://www.kimiv.ru |
//|                                                                  |
//|                                                                  |
//+------------------------------------------------------------------+
#property copyright "Êèì Èãîðü Â. aka KimIV"
#property link      "http://www.kimiv.ru"

#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 LightBlue
#property indicator_color2 Salmon
#property indicator_width1 1
#property indicator_width2 1

//------- Âíåøíèå ïàðàìåòðû èíäèêàòîðà -------------------------------
extern int SizeGAP      = 5;      // Ðàçìåð ÃÝÏà
extern int NumberOfBars = 10000;  // Êîëè÷åñòâî áàðîâ îáñ÷¸òà (0-âñå)

//------- Ãëîáàëüíûå ïåðåìåííûå --------------------------------------
int ArrowInterval;

//------- Ïîêëþ÷åíèå âíåøíèõ ìîäóëåé ---------------------------------

//------- Áóôåðû èíäèêàòîðà ------------------------------------------
double SigBuy[];
double SigSell[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
void init()
  {
   SetIndexBuffer(0,SigBuy);
   SetIndexStyle(0,DRAW_ARROW);
   SetIndexArrow(0,233);
   SetIndexEmptyValue(0,EMPTY_VALUE);

   SetIndexBuffer(1,SigSell);
   SetIndexStyle(1,DRAW_ARROW);
   SetIndexArrow(1,234);
   SetIndexEmptyValue(1,EMPTY_VALUE);

   ArrowInterval=GetArrowInterval();
  }
//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
void start()
  {
   double ms[2];
   int    LoopBegin,sh;

   if(NumberOfBars==0) LoopBegin=Bars-1;
   else LoopBegin=NumberOfBars-1;

   for(sh=LoopBegin; sh>=0; sh--)
     {
      ms[0]=EMPTY_VALUE;
      ms[1]=EMPTY_VALUE;
      GetSignals(sh,ms);
      SigBuy[sh]=ms[0];
      SigSell[sh]=ms[1];
     }
  }
//+------------------------------------------------------------------+
//| Âîçâðàùàåò ñèãíàëû                                               |
//+------------------------------------------------------------------+
void GetSignals(int nb,double &ms[])
  {
   double h2=High[nb+2];
   double h1=High[nb+1];
   double l2=Low [nb+2];
   double l1=Low [nb+1];

   if(l2-h1>SizeGAP*Point) ms[0]=Low[nb+1]-ArrowInterval*Point;
   if(l1-h2>SizeGAP*Point) ms[1]=High[nb+1]+ArrowInterval*Point;
  }
//+------------------------------------------------------------------+
//| Âîçâðàùàåò èíòåðâàë óñòàíîâêè ñèãíàëüíûõ óêàçàòåëåé              |
//+------------------------------------------------------------------+
int GetArrowInterval()
  {
   int p=Period();

   switch(p)
     {
      case 1:     return(3);
      case 5:     return(5);
      case 15:    return(7);
      case 30:    return(10);
      case 60:    return(15);
      case 240:   return(20);
      case 1440:  return(50);
      case 10080: return(100);
      case 43200: return(200);
     }
  }
//+------------------------------------------------------------------+