//+------------------------------------------------------------------+
//|                                      Indicator: Filter Peek+.mq4 |
//|                                                                  |
//+------------------------------------------------------------------+
#property copyright "BetyX"
#property link      "betyx2@gmail.com"
#property version   "1.00"
#property description ""


//--- indicator settings
#property indicator_separate_window
#property indicator_buffers 4

#property indicator_type1 DRAW_LINE
#property indicator_style1 STYLE_SOLID
#property indicator_width1 1
#property indicator_color1 White

#property indicator_type2 DRAW_LINE
#property indicator_style2 STYLE_SOLID
#property indicator_width2 3
#property indicator_color2 Red

#property indicator_type3 DRAW_LINE
#property indicator_style3 STYLE_SOLID
#property indicator_width3 3
#property indicator_color3 Lime

#property indicator_type4 DRAW_LINE
#property indicator_style4 STYLE_SOLID
#property indicator_width4 1
#property indicator_color4 Olive

#define PLOT_MAXIMUM_BARS_BACK 5000
#define OMIT_OLDEST_BARS 50

//--- indicator buffers
double Buffer1[];
double Buffer2[];
double Buffer3[];
double Buffer4[];

extern int Kij1 = 200;
extern int mom1 = 11;
double myPoint; //initialized in OnInit

void myAlert(string type, string message)
  {
   if(type == "print")
      Print(message);
   else if(type == "error")
     {
      Print(type+" | Filter Peek+ @ "+Symbol()+","+IntegerToString(Period())+" | "+message);
     }
   else if(type == "order")
     {
     }
   else if(type == "modify")
     {
     }
  }

//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int OnInit()
  {   
   IndicatorBuffers(4);
   SetIndexBuffer(0, Buffer1);
   SetIndexEmptyValue(0, EMPTY_VALUE);
   SetIndexDrawBegin(0, MathMax(Bars(Symbol(), PERIOD_CURRENT)-PLOT_MAXIMUM_BARS_BACK+1, OMIT_OLDEST_BARS+1));
   SetIndexBuffer(1, Buffer2);
   SetIndexEmptyValue(1, EMPTY_VALUE);
   SetIndexDrawBegin(1, MathMax(Bars(Symbol(), PERIOD_CURRENT)-PLOT_MAXIMUM_BARS_BACK+1, OMIT_OLDEST_BARS+1));
   SetIndexBuffer(2, Buffer3);
   SetIndexEmptyValue(2, EMPTY_VALUE);
   SetIndexDrawBegin(2, MathMax(Bars(Symbol(), PERIOD_CURRENT)-PLOT_MAXIMUM_BARS_BACK+1, OMIT_OLDEST_BARS+1));
   SetIndexBuffer(3, Buffer4);
   SetIndexEmptyValue(3, EMPTY_VALUE);
   SetIndexDrawBegin(3, MathMax(Bars(Symbol(), PERIOD_CURRENT)-PLOT_MAXIMUM_BARS_BACK+1, OMIT_OLDEST_BARS+1));
   //initialize myPoint
   myPoint = Point();
   if(Digits() == 5 || Digits() == 3)
     {
      myPoint *= 10;
     }
   return(INIT_SUCCEEDED);
  }

//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int OnCalculate(const int rates_total,
                const int prev_calculated,
                const datetime& time[],
                const double& open[],
                const double& high[],
                const double& low[],
                const double& close[],
                const long& tick_volume[],
                const long& volume[],
                const int& spread[])
  {
   int limit = rates_total - prev_calculated;
   //--- counting from 0 to rates_total
   ArraySetAsSeries(Buffer1, true);
   ArraySetAsSeries(Buffer2, true);
   ArraySetAsSeries(Buffer3, true);
   ArraySetAsSeries(Buffer4, true);
   //--- initial zero
   if(prev_calculated < 1)
     {
      ArrayInitialize(Buffer1, EMPTY_VALUE);
      ArrayInitialize(Buffer2, EMPTY_VALUE);
      ArrayInitialize(Buffer3, EMPTY_VALUE);
      ArrayInitialize(Buffer4, EMPTY_VALUE);
     }
   else
      limit++;
   
   int j;
   
   double IndicatorData3[];
   int IndicatorData3_count = 2*mom1;
   if(IndicatorData3_count < MathMax(limit, 50)) IndicatorData3_count = MathMax(limit, 50);
   ArrayResize(IndicatorData3, IndicatorData3_count);
   ArraySetAsSeries(IndicatorData3, true);
   for(j = IndicatorData3_count-1; j >= 0; j--)
     {
      IndicatorData3[j] = iIchimoku(NULL, PERIOD_CURRENT, 9, Kij1, 52, MODE_KIJUNSEN, j); 
     }
   
   //--- main loop
   for(int i = limit-1; i >= 0; i--)
     {
      if (i >= MathMin(PLOT_MAXIMUM_BARS_BACK-1, rates_total-1-OMIT_OLDEST_BARS)) continue;   
      
      //Indicator Buffer 1
      if(iMomentumOnArray(IndicatorData3, 0, mom1, i) != 0 
      )
        {
         Buffer1[i] = iMomentumOnArray(IndicatorData3, 0, mom1, i); 
        }
      else
        {
         Buffer1[i] = EMPTY_VALUE;
        }
      //Indicator Buffer 2
      if(iMomentumOnArray(IndicatorData3, 0, mom1, i) > 100 
      )
        {
         Buffer2[i] = iMomentumOnArray(IndicatorData3, 0, mom1, i); 
        }
      else
        {
         Buffer2[i] = EMPTY_VALUE;
        }
      //Indicator Buffer 3
      if(iMomentumOnArray(IndicatorData3, 0, mom1, i) < 100 
      )
        {
         Buffer3[i] = iMomentumOnArray(IndicatorData3, 0, mom1, i); 
        }
      else
        {
         Buffer3[i] = EMPTY_VALUE;
        }
      //Indicator Buffer 4
      if(true 
      )
        {
         Buffer4[i] = 100; 
        }
      else
        {
         Buffer4[i] = EMPTY_VALUE;
        }
     }
   return(rates_total);
  }
//+------------------------------------------------------------------+