//+------------------------------------------------------------------+
//|                                                   TrendMagic.mq4 |
//|                              Tidied up by TudorGirl  28 May 2009 |
//|                                              AnneTudor@ymail.com |
//+------------------------------------------------------------------+

#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 Blue
#property indicator_width1 2
#property indicator_color2 Red
#property indicator_width2 2

//+------------------------------------------------------------------+
//---- indicator parameters
extern int CCI = 50;
extern int ATR = 5;
//---- indicator parameters
//-------------------------------------------------------------------
//extern int  TRIX_Period       = 3;
//extern int  Signal_Period     = 0;
extern bool Signals           = false;
extern int  CountBars         = 1500;
//-------------------------------------------------------------------
//+------------------------------------------------------------------+

double bufferUp[];
double bufferDn[];
//---- variables
static bool TurnedUp = false;
static bool TurnedDown = false;
//+------------------------------------------------------------------+

int init()
{
   SetIndexStyle(0, DRAW_LINE, STYLE_SOLID, 2);
   SetIndexBuffer(0, bufferUp);
   SetIndexStyle(1, DRAW_LINE, STYLE_SOLID, 2);
   SetIndexBuffer(1, bufferDn);
   return (0);
}

//+------------------------------------------------------------------+

int deinit()
{
   return (0);
}

//+------------------------------------------------------------------+

int start()
{

   double thisCCI;
   double lastCCI;

   int counted_bars = IndicatorCounted();
   if (counted_bars < 0) return (-1);
   if (counted_bars > 0) counted_bars--;
   int limit = Bars - counted_bars;

   for (int shift = limit; shift >= 0; shift--)
   {
      thisCCI = iCCI(NULL, 0, CCI, PRICE_TYPICAL, shift);
      lastCCI = iCCI(NULL, 0, CCI, PRICE_TYPICAL, shift + 1);

      if (thisCCI >= 0 && lastCCI < 0) bufferUp[shift + 1] = bufferDn[shift + 1];
      if (thisCCI <= 0 && lastCCI > 0) bufferDn[shift + 1] = bufferUp[shift + 1];

      if (thisCCI >= 0)
      {
         bufferUp[shift] = Low[shift] - iATR(NULL, 0, ATR, shift);
         if (bufferUp[shift] < bufferUp[shift + 1])
            bufferUp[shift] = bufferUp[shift + 1];
      }
      else
      {
         if (thisCCI <= 0)
         {
            bufferDn[shift] = High[shift] + iATR(NULL, 0, ATR, shift);
            if (bufferDn[shift] > bufferDn[shift + 1])
               bufferDn[shift] = bufferDn[shift + 1];
         }
      }
   }
//---- signals
  shift=limit-1;
  while(shift>=0)
 {
     if (Signals==true)
     {
     if (bufferUp < bufferDn && bufferUp[shift] < bufferDn[shift + 1] && TurnedUp==false);
     if (bufferUp > bufferDn && bufferUp[shift] > bufferDn[shift + 1] && TurnedUp==true);
    // if (ind_buffer2a[i]<ind_buffer1a[i] && ind_buffer2a[i+1]>=ind_buffer1a[i+1]) ind_buffer3[i]=ind_buffer2a[i]-0.0001;
    // if (ind_buffer2a[i]>ind_buffer1a[i] && ind_buffer2a[i+1]<=ind_buffer1a[i+1]) ind_buffer4[i]=ind_buffer2a[i]+0.0001;
    
    // if (ind_buffer3[0]==ind_buffer2a[0]-0.0001 && TurnedUp==false)
        {  
              Alert("Trend Magic Buy:  ",Symbol()," - ",Period(),"  at  ", Close[0],"  -  ", TimeToStr(CurTime(),TIME_SECONDS));
              TurnedDown = false;
              TurnedUp = true;
        } 
  //   if (ind_buffer4[0]==ind_buffer2a[0]+0.0001 && TurnedDown==false)
        {  
              Alert("Trend Magic SELL:  ",Symbol()," - ",Period(),"  at  ", Close[0],"  -  ", TimeToStr(CurTime(),TIME_SECONDS));
              TurnedUp = false;
              TurnedDown = true;
        } 
     }
  shift--;
   }
//---- done
   return (0);