//+------------------------------------------------------------------+
//|                                                  Daily range.mq4 |
//|                                                         mishanya |
//|                                           www.fxtradercenter.com |
//+------------------------------------------------------------------+
#property copyright "mishanya"
#property link      "www.fxtradercenter.com"

#property indicator_chart_window

extern int StepBack=0;

double X,rates_d1[][6],sup,res;
int timeshift=0, timeshifts=0, beginner=0,d;
int periods;


//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
//---- indicators
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custor indicator deinitialization function                       |
//+------------------------------------------------------------------+
int deinit()
  {
//---- TODO: add your code here
      ObjectDelete("DSup line");
      ObjectDelete("DRes line");      
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start()
  {
   int    counted_bars=IndicatorCounted();
//---- TODO: add your code here
   
   d=1+StepBack;

   switch (Period())
   {
      case PERIOD_M1:  {timeshifts=60; beginner=Hour()*60;} break;
      case PERIOD_M5:  {timeshifts=300; beginner=Hour()*12;} break;
      case PERIOD_M15: {timeshifts=900; beginner=Hour()*4;} break;
      case PERIOD_M30: {timeshifts=1800; beginner=Hour()*2;} break;
      case PERIOD_H1:  {timeshifts=3600; beginner=Hour()*1;} break;
      case PERIOD_H4:  {timeshifts=14400; beginner=Hour()*0.25;} break;
      case PERIOD_D1:  {timeshifts=86400; beginner=Hour()*0;} break;
    }   

   timeshift=timeshifts*24;
   
   if(Period() > 86400)
      {
         Print("Error - Chart period is greater than 1 day.");
         return(-1); // then exit
      }   

   ArrayCopyRates(rates_d1, Symbol(), PERIOD_D1);
   
   if (rates_d1[d][4]<rates_d1[d][1]) X=(rates_d1[d][3]+rates_d1[d][2]+rates_d1[d][4]+rates_d1[d][2])/2;
   if (rates_d1[d][4]>rates_d1[d][1]) X=(rates_d1[d][3]+rates_d1[d][2]+rates_d1[d][4]+rates_d1[d][3])/2;
   if (rates_d1[d][4]==rates_d1[d][1]) X=(rates_d1[d][3]+rates_d1[d][2]+rates_d1[d][4]+rates_d1[d][4])/2;
   
   sup = X - rates_d1[d][3];
   res = X - rates_d1[d][2];
   
   if (ObjectFind("DRes Line") != 0) 
     {
      ObjectCreate("DRes line",OBJ_HLINE,0,Time[0],res);
      ObjectSet("DRes line",OBJPROP_COLOR,DimGray);
      ObjectSet("DRes line",OBJPROP_WIDTH,2);
     }
     else
     {
     ObjectMove("DRes line", 0,Time[0],res);
     }
   
   if (ObjectFind("DSup Line") != 0) 
     {
      ObjectCreate("DSup line",OBJ_HLINE,0,Time[0],sup);
      ObjectSet("DSup line",OBJPROP_COLOR,DimGray);
      ObjectSet("DSup line",OBJPROP_WIDTH,2);
     }
     else
     {
     ObjectMove("DSup line", 0,Time[0],sup);
     }

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