//+------------------------------------------------------------------+
//|   RenkoAM_v2.0.mq4
//+------------------------------------------------------------------+
#property indicator_separate_window
#property indicator_buffers 1
#property indicator_color1 Green

extern int Threshold = 30;

double Diff;
int DiffInt;

double Time0,Time1;

double ElapsedTime[];

int init()
{
   SetIndexStyle(0,DRAW_HISTOGRAM,0,4);
   SetIndexBuffer(0,ElapsedTime);

   return(0);
}

int deinit()
{
   return(0);
}

int start()
{
   int i,limit;
   int counted_bars=IndicatorCounted();
   if(counted_bars<0) return(-1);
//   if(counted_bars>0) counted_bars--;
   limit=Bars-counted_bars;

   for(i=limit;i>=0;i--)
   {
      if (i > 0)
      {
         Time0 = Time[i-1];
         Time1 = Time[i];
      }
      else
      {
         Time0 = TimeCurrent();
         Time1 = Time[i];
      }   
      
      Diff = (Time0-Time1)/60;

      if (Diff > Threshold)
      {Diff = Threshold;}
      
      ElapsedTime[i] = Diff;
   }

   return(0);
}
//+------------------------------------------------------------------+