//+------------------------------------------------------------------+
//|                                          3EMAS Signals v0.1 .mq4 |
//|                                  Copyright © 2006, Forex-TSD.com |
//|                                                Written by nnjeim |   
//|                                                                  |                                      
//+------------------------------------------------------------------+
#property copyright "Copyright © 2006, Forex-TSD.com "
#property link      "http://www.forex-tsd.com/"


#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 White
#property indicator_color2 Yellow
//---- input parameters

extern int LEMA=50;
extern int MEMA=30;
extern int SEMA=20;
extern int TEMA=10;

extern int ArrowShift=5;

//---- buffers
double ExtMapBuffer1[];
double ExtMapBuffer2[];


//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
//---- indicators
   SetIndexStyle(0,DRAW_ARROW);
   SetIndexArrow(0,233);
   SetIndexBuffer(0,ExtMapBuffer1);
   SetIndexEmptyValue(0,0.0);
   
   SetIndexStyle(1,DRAW_ARROW);
   SetIndexArrow(1,234);
   SetIndexBuffer(1,ExtMapBuffer2);
   SetIndexEmptyValue(1,0.0);
   
//----
   return(0);
  }

//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start()
  {
   int limit,i;
   int counted_bars=IndicatorCounted();
   if (counted_bars<0) return(-1);
   if (counted_bars>0) counted_bars--;
   limit=Bars-1;
   if(counted_bars>=1) limit=Bars-counted_bars-1;
   if (limit<0) limit=0;
   
   
   double curlema=0.0,prevlema=0.0,curmema=0.0,prevmema=0.0,cursema=0.0,prevsema=0.0,curtema=0.0,prevtema=0.0;
   for (i=limit;i>=0;i--)
      {
      curlema=Close[i]-iMA(NULL,0,LEMA,0,MODE_EMA,PRICE_CLOSE,i);
      prevlema=Close[i]-iMA(NULL,0,LEMA,0,MODE_EMA,PRICE_CLOSE,i+1);
      curmema=Close[i]-iMA(NULL,0,MEMA,0,MODE_EMA,PRICE_CLOSE,i);
      prevmema=Close[i]-iMA(NULL,0,MEMA,0,MODE_EMA,PRICE_CLOSE,i+1);
      cursema=Close[i]-iMA(NULL,0,SEMA,0,MODE_EMA,PRICE_CLOSE,i);
      prevsema=Close[i]-iMA(NULL,0,SEMA,0,MODE_EMA,PRICE_CLOSE,i+1);
      curtema=Close[i]-iMA(NULL,0,TEMA,0,MODE_EMA,PRICE_CLOSE,i);
      prevtema=Close[i]-iMA(NULL,0,TEMA,0,MODE_EMA,PRICE_CLOSE,i+1);

      
      
      ExtMapBuffer1[i]=0;
      ExtMapBuffer2[i]=0;
      
      if ((curlema>curmema) && (prevlema<prevmema) &&(curmema>cursema) &&(cursema>curtema)) ExtMapBuffer1[i]=Open[i]-ArrowShift*Point;
      if ((curlema<curmema) && (prevlema>prevmema) && (curmema<cursema) &&(cursema<curtema)) ExtMapBuffer2[i]=Open[i]+ArrowShift*Point;
      
      }
   return(0);
  }
      
//+------------------------------------------------------------------+