BykovTrend_Sig_byRENAAT_Alert

//+------------------------------------------------------------------+
//| BykovTrend_Sig.mq4 
//| Ramdass - Conversion only
//+------------------------------------------------------------------+

#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 Magenta
#property indicator_color2 Magenta

//---- input parameters
extern int RISK=3;
extern int SSP=9;
extern int CountBars=500;
extern bool SoundAlert=true;
extern bool TextAlert=true;

//---- buffers
double val1[];
double val2[];
string Dir = "";
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
   string short_name;
//---- indicator line
   IndicatorBuffers(2);
   SetIndexStyle(0,DRAW_ARROW);
   SetIndexArrow(0,234);
   SetIndexStyle(1,DRAW_ARROW);
   SetIndexArrow(1,233);
   SetIndexBuffer(0,val1);
   SetIndexBuffer(1,val2);

//----
   return(0);
  }
//+------------------------------------------------------------------+
//| BykovTrend_Sig                                                   |
//+------------------------------------------------------------------+
int start()
  {   
  SetIndexDrawBegin(0,Bars-CountBars+SSP+1);
SetIndexDrawBegin(1,Bars-CountBars+SSP+1);
int i,counted_bars=IndicatorCounted();
int K;
bool uptrend,old;
double wpr;

K=33-RISK;
//----
if(Bars<=SSP+1) return(0);
//---- initial zero
for(i=0;i<CountBars;i++) val1[i]=0.0;
for(i=0;i<CountBars;i++) val2[i]=0.0;
//----
i=CountBars-1;
while(i>=0)
{

wpr=iWPR(NULL,0,SSP,i);
val1[i]=0.0; val2[i]=0.0;
if (wpr<-100+K) uptrend=false;
if (wpr>-K) uptrend=true;

if ((! uptrend==old) && uptrend==true) 
   {
   val2[i]=Low[i]-5*Point;
   if (i < 2)
            {
   Dir="BUY";
   UpAlert(Dir);
            }
   }
                      
if ((! uptrend==old) && uptrend==false) 
   {
   val1[i]=High[i]+5*Point;
   if (i < 2)
            {
          Dir="SELL";
          DownAlert(Dir);
            }
   }

      
old=uptrend;

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

void UpAlert(string Dir)
{
   if (!NewBar() || !SoundAlert)
      return;
     if(TextAlert==true)Alert("BUY at Ask ",Ask," ",Symbol()," - ",Period());
     PlaySound ("alert2.wav");
}

void DownAlert(string Dir)
{
   if (!NewBar() || !SoundAlert)
      return;
     if(TextAlert==true)Alert("SELL at Bid ",Bid," ",Symbol()," - ",Period());
     PlaySound ("alert2.wav");
}


  bool NewBar()
{
   static datetime dt  = 0;
   if (dt != Time[0])
      {
      dt = Time[0];
      return(true);
      }
}