//+------------------------------------------------------------------+
//|                                                    iFractals.mq4 |
//|                              Copyright © 2006, SOK.LiteForEx.Net |
//|                                         http://sok.liteforex.net |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2006, SOK.LiteForEx.Net"
#property link      "http://sok.liteforex.net"

#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 Red
#property indicator_color2 Blue
//---- input parameters
extern int ExtParam1 = 0;
//---- buffers
double ExtMapBuffer1[];
double ExtMapBuffer2[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
//---- indicators
   SetIndexStyle(0, DRAW_ARROW, 0, 1);
   SetIndexArrow(0, 159);
   SetIndexBuffer(0, ExtMapBuffer1);
   SetIndexEmptyValue(0, 0.0);
   SetIndexStyle(1, DRAW_ARROW, 0, 1);
   SetIndexArrow(1, 159);
   SetIndexBuffer(1, ExtMapBuffer2);
   SetIndexEmptyValue(1, 0.0);
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function                       |
//+------------------------------------------------------------------+
int deinit()
  {
//----
   
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start()
  {
   int counted_bars = IndicatorCounted();
//----
   int periods[] = {0, PERIOD_M1, PERIOD_M5, PERIOD_M15, PERIOD_M30, PERIOD_H1, 
                    PERIOD_H4, PERIOD_D1, PERIOD_W1, PERIOD_MN1};
   int period0 = periods[ArrayBsearch(periods, Period()) + ExtParam1];
   int limit;
//---- последний посчитанный бар будет пересчитан
   if(counted_bars > 0) 
       counted_bars--;
   limit = Bars - counted_bars;
   if(counted_bars==0) limit-=2;
//---- основной цикл
   for(int i = limit; i > 0; i--)
     {
        //---- ma_shift присваивается 0, потому что SetIndexShift, вызываемый выше
        int BS = iBarShift(NULL, period0, iTime(NULL, 0, i), true);
        ExtMapBuffer1[i] = iFractals(NULL, period0, MODE_UPPER, BS);
        if(ExtMapBuffer1[i] == 0)
          {
            ExtMapBuffer1[i] = ExtMapBuffer1[i+1];
          }
        ExtMapBuffer2[i] = iFractals(NULL, period0, MODE_LOWER, BS);
        if(ExtMapBuffer2[i] == 0)
          {
            ExtMapBuffer2[i] = ExtMapBuffer2[i+1];
          }
     }
//----
   return(0);
  }
//+------------------------------------------------------------------+