DT-ZigZag-ATR_v2

//+------------------------------------------------------------------+ 
//| DT-ZigZag-ATR.mq4                                                | 
//+------------------------------------------------------------------+ 
#property copyright "Copyright © 2005, klot"
#property link "klot@mail.ru"
//----
#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 Red
#property indicator_color2 Blue
//---- input parameters 
extern int depth=12;
extern int perATR=12;
extern double k=2;
//---- buffers 
double ExtMapBuffer1[];
double ExtMapBuffer2[];
//+------------------------------------------------------------------+ 
//| Custom indicator initialization function                         | 
//+------------------------------------------------------------------+ 
int init()
  {
//---- indicators 
   SetIndexStyle(0,DRAW_ARROW);
   SetIndexBuffer(0,ExtMapBuffer1);
   SetIndexArrow(0,159);
   SetIndexStyle(1,DRAW_ARROW);
   SetIndexBuffer(1,ExtMapBuffer2);
   SetIndexArrow(1,159);
//---- 
   return(0);
  }
//+------------------------------------------------------------------+ 
//| Custor indicator deinitialization function                       | 
//+------------------------------------------------------------------+ 
int deinit()
  {
//---- 

//---- 
   return(0);
  }
//+------------------------------------------------------------------+ 
//| Custom indicator iteration function                              | 
//+------------------------------------------------------------------+ 
int start()
  {
   int limit, bigshift;
   int counted_bars=IndicatorCounted();
   double zigzag1,atr1;
//---- 
   // if (counted_bars<0) return(-1); 
   if (counted_bars>0) counted_bars--;
   limit=Bars-counted_bars+100;
   for(int i=limit; i>0; i--)
     {
      for(int cnt=i; cnt<(100+i); cnt++)
        {
         zigzag1=iCustom(NULL,0,"ZigZag",depth,5,3,0,cnt+1);
         if(zigzag1!=0)break;
        }
      atr1=iATR(NULL,0,perATR,i);
      if(iHigh(NULL,0,i+1)<=zigzag1)ExtMapBuffer2[i]=iLow(NULL,0,i)+k*atr1; else ExtMapBuffer2[i]=0.0;
      if(iLow(NULL,0,i+1)>=zigzag1)ExtMapBuffer1[i]=iHigh(NULL,0,i)-k*atr1; else ExtMapBuffer1[i]=0.0;
     }
   Comment ("zigzag1 = ",zigzag1," limit = ",limit );
//---- 
   return(0);
  }
//+------------------------------------------------------------------+