i-Friday_Sig_v4

//+------------------------------------------------------------------+
//|                                                 i-Friday_Sig.mq4 |
//|                                           Êèì Èãîðü Â. aka KimIV |
//|                                              http://www.kimiv.ru |
//|                                                                  |
//| 09.10.2005  Ñèãíàëû âõîäîâ è âûõîäîâ ïî ñèñòåìå Ýôôåêò ïÿòíèöû   |
//+------------------------------------------------------------------+
#property copyright "Êèì Èãîðü Â. aka KimIV"
#property link      "http://www.kimiv.ru"
//----
#property indicator_chart_window
#property indicator_buffers 4
#property indicator_color1 Blue
#property indicator_color2 Salmon
#property indicator_color3 Blue
#property indicator_color4 Salmon
//------- Âíåøíèå ïàðàìåòðû èíäèêàòîðà -------------------------------
extern int HourOpenPos =7;      // Âðåìÿ îòêðûòèÿ ïîçèöèè
extern int HourClosePos=19;     // Âðåìÿ çàêðûòèÿ ïîçèöèè
//------- Ãëîáàëüíûå ïåðåìåííûå --------------------------------------
int ArrowInterval;
//------- Ïîêëþ÷åíèå âíåøíèõ ìîäóëåé ---------------------------------
//------- Âíåøíèå ïàðàìåòðû èíäèêàòîðà -------------------------------
extern int NumberOfBars=10000;  // Êîëè÷åñòâî áàðîâ îáñ÷¸òà (0-âñå)
//------- Áóôåðû èíäèêàòîðà ------------------------------------------
double SigBuy[];
double SigSell[];
double SigExitBuy[];
double SigExitSell[];
//+------------------------------------------------------------------+
//| 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);
   SetIndexBuffer(2,SigExitBuy);
   SetIndexStyle(2,DRAW_ARROW);
   SetIndexArrow(2,251);
   SetIndexEmptyValue(2,EMPTY_VALUE);
   SetIndexBuffer(3,SigExitSell);
   SetIndexStyle(3,DRAW_ARROW);
   SetIndexArrow(3,251);
   SetIndexEmptyValue(3,EMPTY_VALUE);
   ArrowInterval=GetArrowInterval();
  }
//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
void start()
  {
   double ms[4];
   int    loopbegin,shift,ids;
//----
   //if(NumberOfBars==0) loopbegin=Bars-1;
   //else loopbegin=NumberOfBars-1;

   int counted_bars=IndicatorCounted();
   if(counted_bars<0) return(-1);
   if(counted_bars>0) counted_bars--;
   int limit=Bars-counted_bars;
   if(counted_bars==0) limit-=1+1;

   for(shift=limit; shift>=0; shift--)
     {
      ms[0]=EMPTY_VALUE;
      ms[1]=EMPTY_VALUE;
      ms[2]=EMPTY_VALUE;
      ms[3]=EMPTY_VALUE;
      GetSignals(shift,ms);
      SigBuy[shift]=ms[0];
      SigSell[shift]=ms[1];
      SigExitBuy[shift+1]=ms[2];
      SigExitSell[shift+1]=ms[3];
     }
  }
//+------------------------------------------------------------------+
//| Âîçâðàùàåò èíòåðâàë óñòàíîâêè ñèãíàëüíûõ óêàçàòåëåé              |
//+------------------------------------------------------------------+
int GetArrowInterval()
  {
   int p=Period();
   switch(p)
     {
      case 1:     return(5);
      case 5:     return(7);
      case 15:    return(10);
      case 30:    return(15);
      case 60:    return(20);
      case 240:   return(30);
      case 1440:  return(80);
      case 10080: return(150);
      case 43200: return(250);
     }
  }
//+------------------------------------------------------------------+
//| Âîçâðàùàåò èíòåðâàë óñòàíîâêè ñèãíàëüíûõ óêàçàòåëåé              |
//+------------------------------------------------------------------+
void GetSignals(int nb,double &ms[])
  {
   int    nsb=iBarShift(NULL,PERIOD_D1,Time[nb]);
   if(nsb==-1) nsb=nb+1;
   double Op1=iOpen (NULL, PERIOD_D1, nsb+1);
   double Cl1=iClose(NULL, PERIOD_D1, nsb+1);
//----
   if(TimeDayOfWeek(Time[nb])==5 && TimeMinute(Time[nb])==0)
     {
      if(TimeHour(Time[nb])==HourOpenPos)
        {
         if(Op1>Cl1) ms[0]=Low[nb]-ArrowInterval*Point;
         if(Op1<Cl1) ms[1]=High[nb]+ArrowInterval*Point;
        }
      if(TimeHour(Time[nb])==HourClosePos)
        {
         if(Op1>Cl1) ms[2]=Close[nb+1];
         if(Op1<Cl1) ms[3]=Close[nb+1];
        }
     }
  }
//+------------------------------------------------------------------+