gen_SATL

//------------------------------------------------------------------
//  gen_SATL
//  Dmitry Yakovlev 
//  dmitry_yakovlev@rambler.ru
//  WebMoney R865705290089
//------------------------------------------------------------------
// DF Parameters: 
// SATL:   P1=52, D1=32, A1=40, P2=41, D2=31, A2=10, Ripple=0.0864, Delay=0

#property copyright "Dmitry Yakovlev, Russia,Omsk WM R865705290089"
#property link      "dmitry_yakovlev@rambler.ru"

#property indicator_chart_window
#property indicator_buffers 4
#property indicator_color1 Black
#property indicator_color2 Lime
#property indicator_color3 Red
#property indicator_width1 0
#property indicator_width2 2
#property indicator_width3 2

#import  "shell32.dll"           //Connect a dll (provided with Windows)             
  int ShellExecuteA(int hwnd,string Operation,string File,string Parameters,string Directory,int ShowCmd); 
#import "user32.dll"
  int MessageBoxA(int hWnd ,string lpText,string lpCaption,int uType);
//------------------------------------------------------------------------------------------------------

// ÏÀÐÀÌÅÒÐÛ
extern string  _tf="Òàéìôðåéì (0-òåêóùèé)";
extern int     tf=0;
extern string  _pr="Öåíà 0-cl,1-op,2-hi,3-lo";
extern int     pr=0;
extern string  _donate1="Äëÿ $ áëàãîäàðíîñòè:";
extern string  _donate2="R865705290089";

//---- buffers
double iBuffer[];
double up[];
double dn[];
double trend[];

double F[]=
{
0.0972300859804,+0.0968062969346,+0.0955419164365,+0.0934577611122,+0.0905880510165,+0.0869797096772,+0.0826914069223,
+0.0777923665825,+0.0723609665321,+0.0664831632194,+0.0602507767255,+0.0537596753828,+0.0471079009917,+0.0403937766681,
+0.0337140392862,+0.02716203738993,+0.02082603334880,+0.01478764551201,+0.00912046226174,+0.00388885529508,-0.000852985685581,
-0.00506178027993,-0.00870563597026,-0.01176427325104,-0.01422899856638,-0.01610243213838,-0.01739800330289,-0.01813923109192,
-0.01835881240394,-0.01809754409022,-0.01740310857099,-0.01632875511194,-0.01493191058141,-0.01327275433432,
-0.01141279180993,-0.00941346048840,-0.00733480005313,-0.00523421600395,-0.00316536264050,-0.001177167392015,
+0.000686985962009,+0.002389902406856,+0.00390104132106,+0.00519679976189,+0.00626061537269,+0.00708289540657,
+0.00766078247257,+0.00799777120465,+0.00810319306032,+0.00799158883572,+0.00768199022585,+0.00719713287712,
+0.00656262390426,+0.00580608681889,+0.00495630628786,+0.00404239415109,+0.003092996720318,+0.002135561583368,
+0.001195679980891,+0.0002965183278544,-0.000541650350472,-0.001301807370162,-0.001970437316184,-0.002537663958766,
-0.002997275636143,-0.00334664596644,-0.00358655892238,-0.00372095011838,-0.00375657848736,-0.00370264425443,
-0.00357037017995,-0.00337256344445,-0.003123175378339,-0.002836875741331,-0.002528657914549,-0.002213492109737,
-0.001906047326282,-0.001620512609322,-0.001370567038003,-0.001169534616626,-0.001029918389440,-0.000935870061783,+0.01034202700017
};
int FilterSize=0;
//+------------------------------------------------------------------+
//| Digital filter indicator initialization function                 |
//+------------------------------------------------------------------+
int init()
{
   CheckDonate();
   
   FilterSize=ArraySize(F);
   
   if(tf<Period()) tf=Period();
//---- indicator line

   IndicatorShortName("SATL-"+tf);
   
   IndicatorBuffers(4);
   //---- indicator line
   SetIndexStyle(0,DRAW_NONE);
   SetIndexBuffer(0,iBuffer);

   SetIndexStyle(1,DRAW_LINE,STYLE_SOLID,2);
   SetIndexBuffer(1,up);
   SetIndexLabel(1,"Up");

   SetIndexStyle(2,DRAW_LINE,STYLE_SOLID,2);
   SetIndexBuffer(2,dn);
   SetIndexLabel(2,"Dn");

   SetIndexStyle(3,DRAW_NONE);
   SetIndexBuffer(3,trend);
   SetIndexLabel(3,"trend");

   ArraySetAsSeries(iBuffer, true); 
   ArraySetAsSeries(trend, true);
//----
   return(0);
}
//+------------------------------------------------------------------+
double price(int i)
{
      if(pr==0) return(iClose(Symbol(),tf,i));
      else if(pr==1) return(iOpen(Symbol(),tf,i));
      else if(pr==2) return(iHigh(Symbol(),tf,i));
      else if(pr==3) return(iLow(Symbol(),tf,i));
}

//+------------------------------------------------------------------+
int start()
{
   int k, nn, nn1, i, j, counted_bars=IndicatorCounted();
   int koef=(tf/Period());
   double res=0, step=0;
   // <--- ðàñ÷èòûâàåì çíà÷åíèÿ èíäèêàòîðà
   if (FilterSize>0)
   {
      if(Bars<=FilterSize) return(0);
      //-------------------------------
      i=(Bars+FilterSize-counted_bars)/koef+1;
      //-------------------------------
      while(i>=0)
      {
         res=0;
         for (j=0; j<FilterSize; j++) res+=F[j]*price(i+j);
         
         nn=i*koef;
         iBuffer[nn]=res;
         
         nn1=(i+1)*koef;
         if(iBuffer[nn1]!=EMPTY_VALUE && iBuffer[nn1]!=0)
         {
            step=(iBuffer[nn1]-iBuffer[nn])/koef;
            for(k=1;k<koef;k++) iBuffer[k+nn]=iBuffer[nn]+step*k;
         }
         i--;
      }
   } else return;
   // ðàñ÷èòûâàåì -->
   //-------------------------------------------------------------------------
   // <-- ðàñêðàøèâàåì 
   for(int x=Bars;x>=0;x--)
   {
      trend[x] = trend[x+1];
      if (iBuffer[x]> iBuffer[x+1]) trend[x] =1;
      if (iBuffer[x]< iBuffer[x+1]) trend[x] =-1;
 
      if (trend[x]>0)
      { up[x] = iBuffer[x]; 
        if (trend[x+1]<0) up[x+1]=iBuffer[x+1];
        dn[x] = EMPTY_VALUE;
      }
      else              
      if (trend[x]<0)
      { 
        dn[x] = iBuffer[x]; 
        if (trend[x+1]>0) dn[x+1]=iBuffer[x+1];
        up[x] = EMPTY_VALUE;
      }              
   }
   // ðàñêðàøèâàåì -->
   //-------------------------------------------------------------------------
   return(0);
}

void CheckDonate()
{
   int fd=0; string pay="0"; datetime dt=0;
   string fn="DigFlts1.txt";
   fd=FileOpen(fn,FILE_READ|FILE_CSV,";");
   if(fd>=1)
   {
      pay=FileReadString(fd); if(pay!="0" && pay!="1") pay="0";
      dt=StrToTime(FileReadString(fd));
   }
   else
   {
      dt=TimeCurrent();
      fd=FileOpen(fn,FILE_WRITE|FILE_CSV,";");
      FileWrite(fd,"0",TimeToStr(dt,TIME_DATE));
   }
   FileClose(fd);
   
   if(pay=="0" && (TimeCurrent()-dt)>10*24*60*60) // 5 äíåé
   {
      if(MessageBoxA(0,"Åñëè Âàì ïîíðàâèëñÿ èíäèêàòîð SATL,\n õîòèòå ïîìî÷ü àâòîðó ìàòåðèàëüíî?","Âîïðîñ",4)==6)
      {
         ShellExecuteA(0,"Open","iexplore.exe","wmk:payto?Purse=R865705290089&Amount=100&Desc=DigitalIndicators&BringToFront=Y&ExecEvenKeeperIsOffline=Y","",7);
         pay="1";
      }
      dt=TimeCurrent();
      
      fd=FileOpen(fn,FILE_WRITE|FILE_CSV,";");
      FileWrite(fd,pay,TimeToStr(dt,TIME_DATE));
      FileClose(fd);
   }
   FileClose(fd);
}