//+------------------------------------------------------------------+
//|                                  Stochastic_Cross_Levels(AM).mq4 |
//|                                               Andrey Matvievskiy |
//|                                                                  |
//+------------------------------------------------------------------+
#property copyright "Andrey Matvievskiy"
#property link      ""

#property indicator_chart_window
#property indicator_buffers 6
#property indicator_color1 Aqua
#property indicator_color2 Aqua
#property indicator_color3 Silver
#property indicator_color4 Silver
#property indicator_color5 Orange
#property indicator_color6 Orange

//---- input parameters
extern int KPeriod=5;
extern int DPeriod=3;
extern int Slowing=3;
extern int MA_Method = 0; // SMA 0, EMA 1, SMMA 2, LWMA 3
extern int PriceField = 0; // Low/High 0, Close/Close 1

extern int L_1=  80;
extern int L_2=  50;
extern int L_3=  20;


extern int CountedBars = 30;

double CrossUp1[];
double CrossDown1[];
double CrossUp2[];
double CrossDown2[];
double CrossUp3[];
double CrossDown3[];

//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
//---- indicators
   SetIndexStyle(0, DRAW_ARROW, EMPTY);
   SetIndexArrow(0, 233);
   SetIndexBuffer(0, CrossUp1);
   SetIndexStyle(1, DRAW_ARROW, EMPTY);
   SetIndexArrow(1, 234);
   SetIndexBuffer(1, CrossDown1);
   
   SetIndexStyle(2, DRAW_ARROW, EMPTY);
   SetIndexArrow(2, 233);
   SetIndexBuffer(2, CrossUp2);
   SetIndexStyle(3, DRAW_ARROW, EMPTY);
   SetIndexArrow(3, 234);
   SetIndexBuffer(3, CrossDown2);
   
   SetIndexStyle(4, DRAW_ARROW, EMPTY);
   SetIndexArrow(4, 233);
   SetIndexBuffer(4, CrossUp3);
   SetIndexStyle(5, DRAW_ARROW, EMPTY);
   SetIndexArrow(5, 234);
   SetIndexBuffer(5, CrossDown3);
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function                       |
//+------------------------------------------------------------------+
int deinit()
  {
//---- 

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


//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start() {
   int limit, i, counter;
   double tmp=0;
   double fastMAnow, slowMAnow, fastMAprevious, slowMAprevious, fastMAprevious2;
   double Range, AvgRange;
   int counted_bars=IndicatorCounted();
//---- check for possible errors
   if(counted_bars<0) return(-1);
//---- last counted bar will be recounted
   if(counted_bars>0) counted_bars--;

   limit=CountedBars;
   
   for(i = 1; i <= limit; i++) {
   
      counter=i;
      Range=0;
      AvgRange=0;
      for (counter=i ;counter<=i+9;counter++)
      {
         AvgRange=AvgRange+MathAbs(High[counter]-Low[counter]);
      }
      Range=AvgRange/10;
       
      fastMAnow = iStochastic(NULL, 0, KPeriod, DPeriod, Slowing,MA_Method, PriceField, MODE_MAIN, i);
      fastMAprevious = iStochastic(NULL, 0, KPeriod, DPeriod, Slowing,MA_Method, PriceField, MODE_MAIN, i+1);
      fastMAprevious2 = iStochastic(NULL, 0, KPeriod, DPeriod, Slowing,MA_Method, PriceField, MODE_MAIN, i+2);

      slowMAnow = iStochastic(NULL, 0, KPeriod, DPeriod, Slowing,MA_Method, PriceField, MODE_SIGNAL, i);
      slowMAprevious = iStochastic(NULL, 0, KPeriod, DPeriod, Slowing,MA_Method, PriceField, MODE_SIGNAL, i+1);
      
      CrossUp1[i] = 0;
      CrossDown1[i] = 0;
      CrossUp2[i] = 0;
      CrossDown2[i] = 0;
      CrossUp3[i] = 0;
      CrossDown3[i] = 0;
      
      
      if ((fastMAnow > slowMAnow) && (fastMAprevious < slowMAprevious))
      {
         CrossUp1[i] = Low[i] - Range*0.4;
      }
      else if ((fastMAnow < slowMAnow) && (fastMAprevious > slowMAprevious))
      {
         CrossDown1[i] = High[i] + Range*0.4;        
      }
     
                              
      if ((fastMAnow > L_1) && (fastMAprevious < L_1))
      {
         CrossUp2[i] = Low[i] - Range*0.2;
      }
      else if ((fastMAnow < L_1) && (fastMAprevious > L_1))
      {
         CrossDown2[i] = High[i] + Range*0.2;
      }
     
     
     
      if ((fastMAnow > L_2) && (fastMAprevious < L_2))
      {
         CrossUp2[i] = Low[i] - Range*0.2;
      }
      else if ((fastMAnow < L_2) && (fastMAprevious > L_2))
      {
         CrossDown2[i] = High[i] + Range*0.2;
      }
      
      
      
      if ((fastMAnow > L_3) && (fastMAprevious < L_3))
      {
         CrossUp2[i] = Low[i] - Range*0.2;
      }
      else if ((fastMAnow < L_3) && (fastMAprevious > L_3))
      {
         CrossDown2[i] = High[i] + Range*0.2;
      }
    
      
      if ((fastMAprevious2 > fastMAprevious) && (fastMAprevious < fastMAnow))
      {
         CrossUp3[i] = Low[i] - Range*0.6;
      }
      else if ((fastMAprevious2 < fastMAprevious) && (fastMAprevious > fastMAnow))    
      {
         CrossDown3[i] = High[i] + Range*0.6;        
      }
             
          
}
   return(0);
}