//+------------------------------------------------------------------+
//|                                                       KPrmSt.mq4 |
//|                                         Copyright © 2010, LeMan. |
//|                                                 b-market@mail.ru |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2010, LeMan."
#property link      "b-market@mail.ru"

#property indicator_separate_window
#property indicator_buffers 2
#property indicator_color1 Blue
#property indicator_color2 Red
#property indicator_minimum 0
#property indicator_maximum 100
#property indicator_level1 80.0
#property indicator_level2 50.0
#property indicator_level3 20.0
//---- input parameters
extern int       Per1=14;
extern int       Per2=3;
extern int       Per3=3;
extern int       Per4=5;
//---- buffers
double ExtMapBuffer1[];
double ExtMapBuffer2[];
double TempBuffer[];
double MinBuffer[];
double MaxBuffer[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
//---- indicators
   IndicatorDigits(Digits);   
   IndicatorBuffers(5);
   SetIndexStyle(0,DRAW_LINE);
   SetIndexBuffer(0,ExtMapBuffer1);
   SetIndexStyle(1,DRAW_LINE);
   SetIndexBuffer(1,ExtMapBuffer2);
   SetIndexBuffer(2,TempBuffer);
   SetIndexBuffer(3,MinBuffer);
   SetIndexBuffer(4,MaxBuffer);
   SetIndexDrawBegin(0,Per1*3);
   SetIndexDrawBegin(1,Per1*3);
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function                       |
//+------------------------------------------------------------------+
int deinit()
  {
//----
   
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start()
  {
   int i, limit, counted_bars = IndicatorCounted();
//----
   if (Bars <= Per1) return(0);
   if (counted_bars < 0) return(-1);
   if (counted_bars > 0) counted_bars--;
   i = Bars - 1;
   if (counted_bars > 1) i = Bars - counted_bars - 1;

   while (i >= 0) {
      MaxBuffer[i] = iHigh(NULL, 0, iHighest(NULL, 0, MODE_HIGH, Per4, i));
      MinBuffer[i] = iLow(NULL, 0, iLowest(NULL, 0, MODE_LOW, Per4, i));
      i--;
   }  
   
   limit = Bars - Per1 - 1;
   
   for(i = limit; i >= 0; i--) {
      int sh = ArrayMaximum(MaxBuffer,Per1,i);
      int sl = ArrayMinimum(MinBuffer,Per1,i);
      TempBuffer[i] = NormalizeDouble((Close[i]-MinBuffer[sl])/(MaxBuffer[sh]-MinBuffer[sl])*100,Digits);
   }
   for(i = 0; i < limit; i++) {
      ExtMapBuffer1[i] = NormalizeDouble(iMAOnArray(TempBuffer, Bars, Per2, 0, MODE_EMA, i),Digits);
   } 
   for(i = 0; i < limit; i++) {
      ExtMapBuffer2[i] = NormalizeDouble(iMAOnArray(ExtMapBuffer1, Bars, Per3, 0, MODE_EMA, i),Digits);
   }     
//----
   return(0);
  }
//+------------------------------------------------------------------+