//+------------------------------------------------------------------+
//|                                                   T3MA_ALARM.mq4 |
//|                                     Copyright © 2011, Martingeil |
//|                                                    fx.09@mail.ru | 
//+------------------------------------------------------------------+
//исправленный Martingeil, теперь можно в тестере увидеть его стрелки.
#property copyright "Copyright © 2011, Martingeil"
#property link      "fx.09@mail.ru"

//---- indicator settings
#property  indicator_chart_window
#property  indicator_buffers 2
#property  indicator_color1  Blue
#property  indicator_color2  Red
//---- indicator parameters
extern int  period = 4; //12
extern int  shift  = 0; //сдвиг по бару
//---- indicator buffers
double BufferUp[],BufferDn[];
int q,st=5;
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
   IndicatorBuffers(2);
//---- drawing settings
   SetIndexStyle(0,DRAW_ARROW,2);
   SetIndexArrow(0,233);
   SetIndexStyle(1,DRAW_ARROW,2);
   SetIndexArrow(1,234);

   SetIndexBuffer(0,BufferUp);//стрелка синяя верх
   SetIndexBuffer(1,BufferDn);//стрелка красная вниз
//---- name for DataWindow and indicator subwindow label
   IndicatorShortName("T3MA-ALARM ("+period+")");
//---- initialization done
   if(Digits==3 || Digits==5) q=10;
   st=st*q;
   return(0);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
int deinit()
  {
   ObjectDelete("low");
   ObjectDelete("high");
  }
//+----------------------------------------------------------------------+
//| Moving Average of Oscillator                                         |
//+----------------------------------------------------------------------+
int start()
  {
//---- ArraySetAsSeries --------------------------------------------------  
   double Ma[],MaOn[];
   double y0[],y1[],y2[];
//   int i;
   int    i;
   ArraySetAsSeries(Ma,true);
//---- IndicatorCounted --------------------------------------------------
   int counted_bars=IndicatorCounted();
   if(counted_bars<0) return(-1);
   if(counted_bars>0) counted_bars--;
   int limit1=Bars-counted_bars;
   if(counted_bars==0) limit1-=1+MathMax(period,shift)+2;

   int buffer_size=ArraySize(BufferUp);
   ArrayResize(Ma,buffer_size);
   ArrayResize(MaOn,buffer_size);

   ArrayResize(y0,buffer_size+shift+2);
   ArrayResize(y1,buffer_size+shift+2);
   ArrayResize(y2,buffer_size+shift+2);

   int limit=ArraySize(Ma);
//---- EMA --------------------------------------------------------------- 
   for(i=limit1; i>=0; i--)  Ma[i]  =iMA(NULL,0,period,0,MODE_EMA,PRICE_CLOSE,i);
   for(i=limit1; i>=0; i--)  MaOn[i]=iMAOnArray(Ma,limit,period,0,MODE_EMA,i);

   for(i=limit1; i>=0; i--)
     {
      y0[i+shift]=MaOn[i+shift];
      y1[i+1+shift]=MaOn[i+1+shift];
      y2[i+2+shift]=MaOn[i+2+shift];

      if(y0[i+shift]-y1[i+1+shift]<0 && y1[i+1+shift]-y2[i+2+shift]>0){BufferDn[i+1]=High[i+1]+st*Point;}
      if(y0[i+shift]-y1[i+1+shift]>0 && y1[i+1+shift]-y2[i+2+shift]<0){BufferUp[i+1]=Low[i+1]-st*Point;}
      //---- Signal Trend Up || Dn ---------------------------------------------   
      if(y0[i]-y1[i+1]>0) Comment("\n SWAPLONG = ",MarketInfo(Symbol(),MODE_SWAPLONG),
         "   SWAPSHORT = ",MarketInfo(Symbol(),MODE_SWAPSHORT),"\n BUY TREND ",DoubleToStr(Close[i],Digits));

      else if(y0[i]-y1[i+1]<0) Comment("\n SWAPLONG = ",MarketInfo(Symbol(),MODE_SWAPLONG),
         "   SWAPSHORT = ",MarketInfo(Symbol(),MODE_SWAPSHORT),"\n SELL TREND ",DoubleToStr(Close[i],Digits));
     }

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