BB_channels_mikko_sw

//+------------------------------------------------------------------+
//|                                        BB Channel indicator sw   |
//|                                                   (C) Mikkom     |
//|                                                                  |
//+------------------------------------------------------------------+
#property copyright "Mikko"
#property link      "noneOfYOurBusiness"

#property indicator_separate_window
//#property indicator_chart_window
#property indicator_buffers 7
#property indicator_color1 DarkGreen
#property indicator_color2 ForestGreen
#property indicator_color3 C'255,83,17' //OrangeRed
#property indicator_color4 Red
#property indicator_color5 Aqua
#property indicator_color6 DodgerBlue
#property indicator_color7 Yellow

#property indicator_width1 3
#property indicator_width2 2
#property indicator_width3 2
#property indicator_width4 3
#property indicator_style5 2
#property indicator_style6 4

double highup[];
double lowup[];
double highdown[];
double lowdown[];
double highmiddle[];
double lowmiddle[];
double priceBuffer[];

// Hourly settings
extern int begin = 20;  //24 
extern int end = 200;   //720 
extern int step = 5;   //12 
extern int deviation = 2;
extern int MaxBarsToCount   = 1200;

int init() {

   IndicatorBuffers(7);
   
   SetIndexBuffer(0, highup);
   SetIndexStyle(0,DRAW_LINE);
   SetIndexBuffer(1, lowup);     
   SetIndexStyle(1,DRAW_LINE);
   SetIndexBuffer(2, highdown);
   SetIndexStyle(2,DRAW_LINE);
   SetIndexBuffer(3, lowdown);     
   SetIndexStyle(3,DRAW_LINE);
   SetIndexBuffer(4, highmiddle);
   SetIndexStyle(4,DRAW_LINE);
   SetIndexBuffer(5, lowmiddle);     
   SetIndexStyle(5,DRAW_LINE);
   SetIndexBuffer(6, priceBuffer);     
   SetIndexStyle(7,DRAW_LINE);

   
   IndicatorShortName(" BBchannelsMikko "+begin+"-"+end+"("+step+")");
  
  // SetIndexDrawBegin(0, 0);  
   
   return(0);
}
  
int deinit() {
   return(0);
}

     
int start() {
       
   int counted_bars=IndicatorCounted();
  
   if(counted_bars < 0) 
       return(-1);
   if(counted_bars > 0) 
       counted_bars--;
       
   int limit = Bars - counted_bars;
       limit= MathMin(limit,MaxBarsToCount);
   for(int i = limit; i >= 0; i--) {

      highup[i] = 0;
      lowup[i] = 100000;
      highdown[i] = 0;
      lowdown[i] = 100000;
      highmiddle[i] = 0;
      lowmiddle[i] = 100000;
      
       
      for(int j=begin; j<=end; j+=step) {
         double bbup = iBands(Symbol(),0,j,deviation,0,PRICE_OPEN,MODE_UPPER,i);
         double bbdown = iBands(Symbol(),0,j,deviation,0,PRICE_OPEN,MODE_LOWER,i);
         double bbmiddle= iBands(Symbol(),0,j,deviation,0,PRICE_OPEN,MODE_MAIN,i);

         if(bbup == 0 || bbdown == 0 || bbmiddle == 0) {
            highup[i] = 0;
            lowup[i] = 0;
            highdown[i] = 0;
            lowdown[i] = 0;
            highmiddle[i] = 0;
            lowmiddle[i] = 0;
            break;
         }

         if(bbup > highup[i])
            highup[i] = bbup;
         if(bbup < lowup[i])
            lowup[i] = bbup;

         if(bbdown > highdown[i])
            highdown[i] = bbdown;
         if(bbdown < lowdown[i])
            lowdown[i] = bbdown;

         if(bbmiddle > highmiddle[i])
            highmiddle[i] = bbmiddle;
         if(bbmiddle < lowmiddle[i])
            lowmiddle[i] = bbmiddle;
            
      }

   } 

   i=Bars-1;
   if(counted_bars>1) i=Bars-counted_bars-1;
   while(i>=0) { priceBuffer[i]=Close[i]; i--; }

   return(0);
}