//+------------------------------------------------------------------+
//|                                              aedu-pricelevel.mq4 |
//|                        Copyright 2012, MetaQuotes Software Corp. |
//|                                        http://www.metaquotes.net |
//+------------------------------------------------------------------+
#property copyright "Copyright 2012, MetaQuotes Software Corp."
#property link      "http://www.metaquotes.net"

#property indicator_chart_window
#property indicator_buffers 4
#property indicator_color1 Lime
#property indicator_color2 DodgerBlue
#property indicator_color3 Magenta
#property indicator_color4 Yellow
//--- input parameters
extern int       PERIOD=15;
//--- buffers
double MDBuffer[];
double UPBuffer[];
double DNBuffer[];
double SignalBuffer[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
IndicatorDigits(Digits);
//---- indicators
   SetIndexStyle(0,DRAW_LINE);
   SetIndexBuffer(0,MDBuffer);
   SetIndexStyle(1,DRAW_LINE);
   SetIndexBuffer(1,UPBuffer);
   SetIndexStyle(2,DRAW_LINE);
   SetIndexBuffer(2,DNBuffer);
   SetIndexStyle(3,DRAW_LINE);
   SetIndexBuffer(3,SignalBuffer);
   SetIndexEmptyValue(0, -1);
   SetIndexEmptyValue(1, -1);
   SetIndexEmptyValue(2, -1);
   SetIndexEmptyValue(3, -1);
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function                       |
//+------------------------------------------------------------------+
int deinit()
  {
//----
   
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start()
  {
     int   i,limit, ExtCountedBars=IndicatorCounted();
     double mdprice,hprice,lprice,d,u,sum  ;
     if (ExtCountedBars<0) return(-1);
     if (ExtCountedBars>0) ExtCountedBars--;
     limit=Bars-ExtCountedBars;
   
  for(i = limit ; i >= 0; i--) {   
   
     d = iCustom(NULL, 0,"лоувол", PERIOD, 2, i) ;   
     u = iCustom(NULL, 0,"хайвол", PERIOD, 2, i) ;     
     sum = (u + d )*(High[i]+Low[i]) / 2;
       
 if (Close[i]>Open[i]){
     hprice = (High[i] + Close[i])/2 + (u/100 * Low[i])/1000 ;
     lprice = (Open[i] + Low[i])/2 + (d/100 * High[i])/1000;
     mdprice = (hprice + lprice)/2+ sum/100/1000  ;
 } else {
     hprice = (High[i] + Open[i])/2 + (u/100 * Low[i])/1000 ;
     lprice = (Open[i] + Low[i])/2 + (d/100 * High[i])/1000 ;
     mdprice = (hprice + lprice)/2 + sum/100/1000 ;
  }   
     UPBuffer[i] = (High[i] + hprice)/2  ;  
     DNBuffer[i] = (Low[i] + lprice)/2 ; 
     SignalBuffer[i] = ((High[i]+Low[i]) / 2 + mdprice)/2 ; 
     MDBuffer[i] = (UPBuffer[i] + DNBuffer[i])/2;
  }
   return(0);
  }
//+------------------------------------------------------------------+