//+------------------------------------------------------------------+
//|                                                        Juice.mq4 |
//|                                                          Perky_z |
//|                              http://fxovereasy.atspace.com/index |
//+------------------------------------------------------------------+
#property  copyright "perky"
#property  link      "http://fxovereasy.atspace.com/index"
//---- indicator settings
#property  indicator_separate_window
#property  indicator_buffers 3
#property  indicator_color1  LimeGreen
#property  indicator_color2  FireBrick
#property indicator_color3 Yellow
#property indicator_width1 2
#property indicator_width2 2
#property indicator_width3 2

//---- indicator parameters
extern bool DoAlerts = false;
extern int Periyod=7;
extern int thresholdLevel=8;
extern int sosoLevel = 4;
extern bool JuiceLevelsVisible = true;
extern int JuiceStartPips = 4;
extern int JuiceStepPips = 4;
extern int JuiceLevelsNumber = 3;
extern color JuiceLevelColor = Silver;

double thresholdLevelPoint;
double sosoLevelPoint;

//---- indicator buffers
double GoodJuice[];
double BadJuice[];
double SoSoJuice[];
double currentJuiceLevel;


//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
//---- 3 additional buffers are used for counting.
   IndicatorBuffers(3);
//---- drawing settings
   SetIndexStyle(0,DRAW_HISTOGRAM,STYLE_SOLID);
   SetIndexStyle(1,DRAW_HISTOGRAM,STYLE_SOLID);
   SetIndexStyle(2,DRAW_HISTOGRAM,STYLE_SOLID);
   SetIndexDrawBegin(0,Periyod);
   IndicatorDigits(MarketInfo(Symbol(),MODE_DIGITS)+2);
//---- 2 indicator buffers mapping
   if(!SetIndexBuffer(0,GoodJuice) &&
      !SetIndexBuffer(1,BadJuice) &&
      !SetIndexBuffer(2,SoSoJuice))
      Print("cannot set indicator buffers!");
      
   IndicatorDigits(4);
   
   thresholdLevelPoint = thresholdLevel*Point;
   sosoLevelPoint = sosoLevel*Point;
   
//---- name for DataWindow and indicator subwindow label
   IndicatorShortName("Juice("+Periyod+","+thresholdLevel+")");

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

int SetLevelLines()
{
   string levelLabel;
   if(JuiceLevelsVisible)
   {
      SetLevelStyle(STYLE_DASH,1,JuiceLevelColor);
      for(int i=1; i<= JuiceLevelsNumber; i++)
      {
         
         currentJuiceLevel = (JuiceStartPips + (i-1)*JuiceStepPips);
         SetLevelValue(i,currentJuiceLevel);
         levelLabel = "Level "+i+": "+currentJuiceLevel;
         SetIndexLabel(i,levelLabel);
      }
   }else
   {
      for(i=1; i<= JuiceLevelsNumber; i++)
      {
         
         SetLevelValue(i,0.0);
         
      }
   }
}

//+------------------------------------------------------------------+
//| Moving Average of Oscillator                                     |
//+------------------------------------------------------------------+
int start()
{
//if ( Period != 15)  Alert ("Juice Is Recommended for 15 Min Chart only!!");
   int limit,i;
   int counted_bars=IndicatorCounted();
   double Juice;
   static datetime lastPriceAlertedBar=0;
   int barToCheck;
   
//---- check for possible errors
   if(counted_bars<0) return(-1);
//---- last counted bar will be recounted
   if(counted_bars>0) counted_bars--;
   limit=Bars-counted_bars;
  
   SetLevelLines();
 
//---- main loop
   for(i=0; i<limit; i++)
   {
      Juice=iStdDev  (NULL,0,Periyod,MODE_EMA,0,PRICE_CLOSE,i);
      if(Juice>=thresholdLevelPoint){
         GoodJuice[i]=Juice/Point;
         BadJuice[i]=0;
         SoSoJuice[i]=0;
      }else if(Juice<sosoLevelPoint){
         BadJuice[i]=Juice/Point;
         GoodJuice[i]=0;
         SoSoJuice[i] = 0;
      }else{
         SoSoJuice[i] = Juice/Point;
         BadJuice[i]=0;
         GoodJuice[i]=0;
      }
   }
   
   if (DoAlerts)
   {
      if (Juice >= thresholdLevelPoint && Period() == 5 && lastPriceAlertedBar != iTime(NULL,0,barToCheck))
      {
            Alert("Juice above ",thresholdLevel," for ", Symbol());
            PlaySound("Tick.wav");
            lastPriceAlertedBar = iTime(NULL,0,barToCheck);
      }
   }
      
//---- done
   return(0);
  }
//+------------------------------------------------------------------+