Trix_002

//+------------------------------------------------------------------+
//|                                                         TRIX.mq4 |
//|                                                          by Raff | 
//|                                                                  | 
//+------------------------------------------------------------------+ 
#property copyright "Copyright © 2006, raff1410@o2.pl"

//---- indicator settings
#property  indicator_separate_window
#property  indicator_buffers 4
#property  indicator_color1 DeepSkyBlue
#property  indicator_color2 Gold
#property  indicator_color3 Green
#property  indicator_color4 Red
#property  indicator_level1 0
//---- indicator parameters
extern int  TRIX_Period     = 18;
extern int  Signal_Period = 5;
extern bool Signals      = true;
int  CountBars    = 1000;
//---- indicator buffers
double      ind_buffer1[];
double      ind_buffer2[];
double      ind_buffer3[];
double      ind_buffer4[];
double      ind_buffer5[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
//---- drawing settings
   IndicatorBuffers(5);
   SetIndexStyle(0,DRAW_LINE,STYLE_SOLID,1);
   SetIndexStyle(1,DRAW_LINE,STYLE_SOLID,1);
   SetIndexStyle(2,DRAW_ARROW);
   SetIndexArrow(2,233);
   SetIndexStyle(3,DRAW_ARROW);
   SetIndexArrow(3,234);
   SetIndexDrawBegin(0,4*TRIX_Period);
   SetIndexDrawBegin(1,4*TRIX_Period);
   SetIndexDrawBegin(2,4*TRIX_Period);
   SetIndexDrawBegin(3,4*TRIX_Period);
//---- indicator buffers mapping
   SetIndexBuffer(0,ind_buffer1);
   SetIndexBuffer(1,ind_buffer2);
   SetIndexBuffer(2,ind_buffer3);
   SetIndexBuffer(3,ind_buffer4);
   SetIndexBuffer(4,ind_buffer5);
//---- name for DataWindow and indicator subwindow label
   IndicatorShortName("TRIX index | Period: "+TRIX_Period+", Signal Period: "+Signal_Period+" | ");
   SetIndexLabel(0,"TRIX");
   SetIndexLabel(1,"Signal");

//---- initialization done
   return(0);
  }
//+------------------------------------------------------------------+
//| TRIX                                                             |
//+------------------------------------------------------------------+
int start()
  {
   int i, counted_bars=IndicatorCounted();
//---- trix 
   for(i=0; i<Bars; i++) ind_buffer1[i]=iMA(NULL,0,TRIX_Period,0,MODE_EMA,PRICE_CLOSE,i);
   for(i=0; i<Bars; i++) ind_buffer2[i]=iMAOnArray(ind_buffer1,Bars,TRIX_Period,0,MODE_EMA,i);
   for(i=0; i<Bars; i++) ind_buffer5[i]=iMAOnArray(ind_buffer2,Bars,TRIX_Period,0,MODE_EMA,i);
   i=Bars-2;
   while(i>=0)
   {
   ind_buffer1[i]=(ind_buffer5[i]-ind_buffer5[i+1])/ind_buffer5[i+1];
   i--;
   }
   for(i=0; i<Bars; i++) ind_buffer2[i]=iMAOnArray(ind_buffer1,Bars,Signal_Period,0,MODE_EMA,i);
//---- signals
   i=Bars-4*TRIX_Period;
   while(i>=0)
   {
     if (Signals==true)
     {
     if (ind_buffer2[i]<ind_buffer1[i] && ind_buffer2[i+1]>=ind_buffer1[i+1]) ind_buffer3[i]=ind_buffer2[i]-0.0005;
     if (ind_buffer2[i]>ind_buffer1[i] && ind_buffer2[i+1]<=ind_buffer1[i+1]) ind_buffer4[i]=ind_buffer2[i]+0.0005;
     if (ind_buffer3[0]==ind_buffer3[i] || ind_buffer4[0]==ind_buffer4[i]) PlaySound("alert.wav");
     }
   i--;
   }

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