Zigzag2_R_channel_System

ÿþ//+------------------------------------------------------------------+

//|                                     Zigzag2_R_channel_System.mq5 |

//|                      Copyright © 2005, MetaQuotes Software Corp. |

//|                                       http://www.metaquotes.net/ |

//+------------------------------------------------------------------+

/*  AB0=40@B=>< 8=48:0B>@5 http://codebase.mql4.com/ru/238 4;O      |

@8A>20=8O 8A?>;L7>20;AO AB8;L DRAW_SECTION. -B>B AB8;L ?>72>;O5B     |

@8A>20BL >B@57:0<8 B>;L:> <564C B>G:0<8, =0E>4OI8<8<AO =0 @07=KE     |

10@0E. !B8;L >B@8A>2:8 DRAW_ARROW ?>72>;O5B A=OBL MB> >3@0=8G5=85,   |

4;O MB>3> 8A?>;L7CNBAO 420 1CD5@0 2<5AB> >4=>3>. ;O 8;;NAB@0F88     |

MB>3> AB8;O 8 1K; =0?8A0= Zigzag2_R_Arrows.mq5.                      |

 :>4 4>102;5=0 >1@01>B:0 2=5H=53>  10@0 (outside bar), :>340  High  |

B5:CI53> 10@0 2KH5 ?@54K4CI8E, 0 Low B5:CI53> 10@0 =865 ?@54K4CI8E.  |

;>: >1@01>B:8 2=5H=53> 10@0 40= :0: ?@8<5@. K <>65B5 8A?>;L7>20BL  |

A2>9 0;3>@8B< 4;O B0:>9 A8BC0F88.                                    |

//+------------------------------------------------------------------+

*/

//---- 02B>@AB2> 8=48:0B>@0

#property copyright "Copyright © 2005, MetaQuotes Software Corp."

//---- AAK;:0 =0 A09B 02B>@0

#property link      "http://www.metaquotes.net/"

//---- =><5@ 25@A88 8=48:0B>@0

#property version   "1.00"

#property description "ZigZag" 

//---- >B@8A>2:0 8=48:0B>@0 2 3;02=>< >:=5

#property indicator_chart_window 

//---- 4;O @0AGQB0 8 >B@8A>2:8 8=48:0B>@0 8A?>;L7>20=> ?OB=04F0BL 1CD5@>2

#property indicator_buffers 15

//---- 8A?>;L7>20=> 2A53> H5ABL 3@0D8G5A:8E ?>AB@>5=89

#property indicator_plots   6

//+----------------------------------------------+

//|  0@0<5B@K >B@8A>2:8 8=48:0B>@0 >1;0:0       |

//+----------------------------------------------+

//---- >B@8A>2:0 8=48:0B>@0 2 2845 F25B=>3> >1;0:0

#property indicator_type1   DRAW_FILLING

//---- 2 :0G5AB25 F25B0 >1;0:0 8A?>;L7>20=

#property indicator_color1  clrLavender

//---- >B>1@065=85 <5B:8 8=48:0B>@0

#property indicator_label1  "Zigzag2_R_channel Cloud"

//+----------------------------------------------+

//|  0@0<5B@K >B@8A>2:8 25@E=53> 8=48:0B>@0     |

//+----------------------------------------------+

//---- >B@8A>2:0 8=48:0B>@0 2 2 2845 <=>3>F25B=>9 ;8=88

#property indicator_type2   DRAW_COLOR_LINE

//---- 2 :0G5AB25 F25B0 8=48:0B>@0 8A?>;L7>20=K

#property indicator_color2  clrAqua,clrGold

//---- B>;I8=0 ;8=88 8=48:0B>@0 2 @02=0 2

#property indicator_width2  2

//---- >B>1@065=85 1KG59 <5B:8 8=48:0B>@0

#property indicator_label2  "Up Zigzag2_R_channel"

//+----------------------------------------------+

//|  0@0<5B@K >B@8A>2:8 =86=53> 8=48:0B>@0      |

//+----------------------------------------------+

//---- >B@8A>2:0 8=48:0B>@0 3 2 2845 <=>3>F25B=>9 ;8=88

#property indicator_type3   DRAW_COLOR_LINE

//---- 2 :0G5AB25 F25B0 8=48:0B>@0 8A?>;L7>20=K

#property indicator_color3  clrAqua,clrGold

//---- B>;I8=0 ;8=88 8=48:0B>@0 3 @02=0 2

#property indicator_width3  2

//---- >B>1@065=85 <54256L59 <5B:8 8=48:0B>@0

#property indicator_label3 "Down Zigzag2_R_channel"

//+----------------------------------------------+

//|  0@0<5B@K >B@8A>2:8 25@E=53> 8=48:0B>@0     |

//+----------------------------------------------+

//---- >B@8A>2:0 8=48:0B>@0 4 2 2845 A8<2>;0

#property indicator_type4   DRAW_ARROW

//---- 2 :0G5AB25 F25B0 8=48:0B>@0 8A?>;L7>20= Blue

#property indicator_color4  clrBlue

//---- B>;I8=0 ;8=88 8=48:0B>@0 4 @02=0 2

#property indicator_width4  2

//---- >B>1@065=85 1KG59 <5B:8 8=48:0B>@0

#property indicator_label4  "Up Zigzag2_R_Arrows"

//+----------------------------------------------+

//|  0@0<5B@K >B@8A>2:8 =86=53> 8=48:0B>@0      |

//+----------------------------------------------+

//---- >B@8A>2:0 8=48:0B>@0 5 2 2845 A8<2>;0

#property indicator_type5   DRAW_ARROW

//---- 2 :0G5AB25 F25B0 8=48:0B>@0 8A?>;L7>20= DeepPink

#property indicator_color5  clrDeepPink

//---- B>;I8=0 ;8=88 8=48:0B>@0 5 @02=0 2

#property indicator_width5  2

//---- >B>1@065=85 <54256L59 <5B:8 8=48:0B>@0

#property indicator_label5 "Down Zigzag2_R_Arrows"

//+----------------------------------------------+

//|  0@0<5B@K >B@8A>2:8 8=48:0B>@0              |

//+----------------------------------------------+

//---- 2 :0G5AB25 8=48:0B>@0 8A?>;L7>20=K F25B=K5 A25G8

#property indicator_type6   DRAW_COLOR_CANDLES

#property indicator_color6  clrChartreuse,clrTeal,clrPurple,clrMagenta

//---- >B>1@065=85 <5B:8 8=48:0B>@0

#property indicator_label6  "Zigzag2_R_channel_Candle"

//+----------------------------------------------+ 

//| E>4=K5 ?0@0<5B@K 8=48:0B>@0                 |

//+----------------------------------------------+ 

input int ExtDepth=12;

input int ExtDeviation=5;

input int ExtBackstep=3;

input uint  UpLable=119;//;5910 25@E=53> D@0:B0;0

input uint  DnLable=119;//;5910 =86=53> D@0:B0;0

input uint NumberofBar=1;//><5@ 10@0 4;O ?>40G8 A83=0;0

input bool SoundON=true; // 07@5H5=85 0;5@B0

input uint NumberofAlerts=2;//>;8G5AB2> 0;5@B>2

input bool EMailON=false; // 07@5H5=85 ?>GB>2>9 >B?@02:8 A83=0;0

input bool PushON=false; // 07@5H5=85 >B?@02:8 A83=0;0 =0 <>18;L=K9

//+----------------------------------------------+

//---- >1JO2;5=85 48=0<8G5A:8E <0AA82>2, :>B>@K5 1C4CB 2 40;L=59H5<  8A?>;L7>20=K 2 :0G5AB25 8=48:0B>@=KE 1CD5@>2

double UpBuffer[],DnBuffer[];

double UpperBuffer[],LowerBuffer[];

double ColorUpperBuffer[],ColorLowerBuffer[];

double ZigzagPeakBuffer[],ZigzagLawnBuffer[];

double HighMapBuffer[],LowMapBuffer[];

//---- >1JO2;5=85 48=0<8G5A:8E <0AA82>2, :>B>@K5 1C4CB 2 40;L=59H5< 8A?>;L7>20=K 2 :0G5AB25 8=48:0B>@=KE 1CD5@>2 4;O A25G

double ExtOpenBuffer[],ExtHighBuffer[];

double ExtLowBuffer[],ExtCloseBuffer[];

double ExtColorBuffer[];

int level=3; // recounting's depth 

bool downloadhistory=false;

double dExtDeviation;

//---- 1JO2;5=85 F5;KE ?5@5<5==KE =0G0;0 >BAGQB0 40==KE

int min_rates_total;

//+------------------------------------------------------------------+ 

//| Custom indicator initialization function                         |

//+------------------------------------------------------------------+ 

void OnInit()

  {

//---- =8F80;870F8O ?5@5<5==KE =0G0;0 >BAGQB0 40==KE

   min_rates_total=ExtDepth+ExtBackstep;

   dExtDeviation=ExtDeviation*_Point;



//---- ?@52@0I5=85 48=0<8G5A:8E <0AA82>2 2 8=48:0B>@=K5 1CD5@K

   SetIndexBuffer(0,UpBuffer,INDICATOR_DATA);

   SetIndexBuffer(1,DnBuffer,INDICATOR_DATA);

   SetIndexBuffer(2,UpperBuffer,INDICATOR_DATA);

   SetIndexBuffer(3,ColorUpperBuffer,INDICATOR_COLOR_INDEX);

   SetIndexBuffer(4,LowerBuffer,INDICATOR_DATA);

   SetIndexBuffer(5,ColorLowerBuffer,INDICATOR_COLOR_INDEX);

//---- ?@52@0I5=85 48=0<8G5A:8E <0AA82>2 2 8=48:0B>@=K5 1CD5@K  

   SetIndexBuffer(6,ZigzagPeakBuffer,INDICATOR_DATA);

   SetIndexBuffer(7,ZigzagLawnBuffer,INDICATOR_DATA);



//---- 70?@5B =0 >B@8A>2:C 8=48:0B>@>< ?CABKE 7=0G5=89

   PlotIndexSetDouble(0,PLOT_EMPTY_VALUE,NULL);

   PlotIndexSetDouble(1,PLOT_EMPTY_VALUE,NULL);

   PlotIndexSetDouble(2,PLOT_EMPTY_VALUE,NULL);

   PlotIndexSetDouble(3,PLOT_EMPTY_VALUE,NULL);

   PlotIndexSetDouble(4,PLOT_EMPTY_VALUE,NULL);

   PlotIndexSetDouble(5,PLOT_EMPTY_VALUE,NULL);

//---- 8=45:A0F8O M;5<5=B>2 2 1CD5@0E :0: 2 B09<A5@8OE   

   ArraySetAsSeries(UpBuffer,true);

   ArraySetAsSeries(DnBuffer,true);

   ArraySetAsSeries(UpperBuffer,true);

   ArraySetAsSeries(LowerBuffer,true);

   ArraySetAsSeries(ColorUpperBuffer,true);

   ArraySetAsSeries(ColorLowerBuffer,true);

   ArraySetAsSeries(ZigzagLawnBuffer,true);

   ArraySetAsSeries(ZigzagPeakBuffer,true);

   ArraySetAsSeries(HighMapBuffer,true);

   ArraySetAsSeries(LowMapBuffer,true);

//---- CAB0=>2:0 ?>78F88, A :>B>@>9 =0G8=05BAO >B@8A>2:0

   PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,min_rates_total);

   PlotIndexSetInteger(1,PLOT_DRAW_BEGIN,min_rates_total);

   PlotIndexSetInteger(2,PLOT_DRAW_BEGIN,min_rates_total);

   PlotIndexSetInteger(3,PLOT_DRAW_BEGIN,min_rates_total);

   PlotIndexSetInteger(4,PLOT_DRAW_BEGIN,min_rates_total);

   PlotIndexSetInteger(5,PLOT_DRAW_BEGIN,min_rates_total);

//---- A8<2>;K 4;O 8=48:0B>@0

   PlotIndexSetInteger(3,PLOT_ARROW,DnLable);

   PlotIndexSetInteger(4,PLOT_ARROW,UpLable);



//---- ?@52@0I5=85 48=0<8G5A:8E <0AA82>2 2 8=48:0B>@=K5 1CD5@K

   SetIndexBuffer(8,ExtOpenBuffer,INDICATOR_DATA);

   SetIndexBuffer(9,ExtHighBuffer,INDICATOR_DATA);

   SetIndexBuffer(10,ExtLowBuffer,INDICATOR_DATA);

   SetIndexBuffer(11,ExtCloseBuffer,INDICATOR_DATA);



//---- ?@52@0I5=85 48=0<8G5A:>3> <0AA820 2 F25B>2>9, 8=45:A=K9 1CD5@   

   SetIndexBuffer(12,ExtColorBuffer,INDICATOR_COLOR_INDEX);



//---- 8=45:A0F8O M;5<5=B>2 2 1CD5@0E :0: 2 B09<A5@8OE

   ArraySetAsSeries(ExtOpenBuffer,true);

   ArraySetAsSeries(ExtHighBuffer,true);

   ArraySetAsSeries(ExtLowBuffer,true);

   ArraySetAsSeries(ExtCloseBuffer,true);

   ArraySetAsSeries(ExtColorBuffer,true);



//---- ?@52@0I5=85 48=0<8G5A:8E <0AA82>2 2 8=48:0B>@=K5 1CD5@K

   SetIndexBuffer(13,HighMapBuffer,INDICATOR_CALCULATIONS);

   SetIndexBuffer(14,LowMapBuffer,INDICATOR_CALCULATIONS);



//---- #AB0=>2:0 D>@<0B0 B>G=>AB8 >B>1@065=8O 8=48:0B>@0

   IndicatorSetInteger(INDICATOR_DIGITS,_Digits);

//---- 8<O 4;O >:>= 40==KE 8 ;M910 4;O AC1J>:>= 

   string shortname;

   StringConcatenate(shortname,"Zigzag2_R_Arrows(ExtDepth=",ExtDepth,"ExtDeviation = ",ExtDeviation,"ExtBackstep = ",ExtBackstep,")");

   IndicatorSetString(INDICATOR_SHORTNAME,shortname);

//----   

  }

//+------------------------------------------------------------------+ 

//| Custom indicator iteration function                              |

//+------------------------------------------------------------------+ 

int OnCalculate(const int rates_total,

                const int prev_calculated,

                const datetime &time[],

                const double &open[],

                const double &high[],

                const double &low[],

                const double &close[],

                const long &tick_volume[],

                const long &volume[],

                const int &spread[])

  {

//---- ?@>25@:0 :>;8G5AB20 10@>2 =0 4>AB0B>G=>ABL 4;O @0AGQB0

   if(rates_total<min_rates_total) return(0);



//---- >1JO2;5=8O ;>:0;L=KE ?5@5<5==KE 

   int limit,bar;

   int iii=0,counterZ=0,whatlookfor=0;

   int back,lasthighpos,lastlowpos;

   double val,res;

   double curlow=9999999999.0,curhigh=0.0,lasthigh=0.0,lastlow=999999999.0;



//---- @0AGQB AB0@B>2>3> =><5@0 limit 4;O F8:;0 ?5@5AGQB0 10@>2 8 AB0@B>20O 8=8F80;870F8O ?5@5<5==KE

   if(prev_calculated>rates_total || prev_calculated<=0)// ?@>25@:0 =0 ?5@2K9 AB0@B @0AGQB0 8=48:0B>@0

     {

      limit=rates_total-min_rates_total; // AB0@B>2K9 =><5@ 4;O @0AGQB0 2A5E 10@>2

      ArrayInitialize(ZigzagPeakBuffer,NULL);

      ArrayInitialize(ZigzagLawnBuffer,NULL);

      ArrayInitialize(HighMapBuffer,NULL);

      ArrayInitialize(LowMapBuffer,NULL);

     }

   else

     {

      limit=rates_total-prev_calculated; // AB0@B>2K9 =><5@ 4;O @0AGQB0 =>2KE 10@>2

      //----

      while(counterZ<level && iii<100)

        {

         res=(ZigzagPeakBuffer[iii]+ZigzagLawnBuffer[iii]);

         //----

         if(res) counterZ++;

         iii++;

        }

      iii--;

      limit=iii;

      //----

      if(LowMapBuffer[iii])

        {

         curlow=LowMapBuffer[iii];

         whatlookfor=1;

        }

      else

        {

         curhigh=HighMapBuffer[iii];

         whatlookfor=-1;

        }

      //----

      for(iii=limit-1; iii>=0; iii--)

        {

         ZigzagPeakBuffer[iii] = NULL;

         ZigzagLawnBuffer[iii] = NULL;

         LowMapBuffer[iii]=NULL;

         HighMapBuffer[iii]=NULL;

        }

     }



//---- 8=45:A0F8O M;5<5=B>2 2 <0AA820E :0: 2 B09<A5@8OE  

   ArraySetAsSeries(open,true);

   ArraySetAsSeries(low,true);

   ArraySetAsSeries(high,true);

   ArraySetAsSeries(close,true);



//---- 5@2K9 1>;LH>9 F8:; @0AGQB0 8=48:0B>@0

   for(bar=limit; bar>=0 && !IsStopped(); bar--)

     {

      val=low[ArrayMinimum(low,bar,ExtDepth)];

      //----

      if(val==lastlow)

         val=NULL;

      else

        {

         lastlow=val;

         //----

         if(low[bar]-val>dExtDeviation)

            val=NULL;

         else

           {

            //----

            for(back=1; back<=ExtBackstep; back++)

              {

               res=LowMapBuffer[bar+back];

               //----

               if(res && res>val) LowMapBuffer[bar+back]=NULL;

              }

           }

        }

      //----

      if(low[bar]==val)

         LowMapBuffer[bar]=val;

      else

         LowMapBuffer[bar]=NULL;

      //--- high

      val=high[ArrayMaximum(high,bar,ExtDepth)];

      //----

      if(val==lasthigh)

         val=NULL;

      else

        {

         lasthigh=val;

         //----

         if(val-high[bar]>dExtDeviation)

            val=NULL;

         else

           {

            //----

            for(back=1; back<=ExtBackstep; back++)

              {

               res=HighMapBuffer[bar+back];

               //----

               if(res && res<val) HighMapBuffer[bar+back]=NULL;

              }

           }

        }

      //----

      if(high[bar]==val)

         HighMapBuffer[bar]=val;

      else

         HighMapBuffer[bar]=NULL;

     }



//---- final cutting 

   if(!whatlookfor)

     {

      lastlow=NULL;

      lasthigh=NULL;

     }

   else

     {

      lastlow=curlow;

      lasthigh=curhigh;

     }



//---- B>@>9 1>;LH>9 F8:; @0AGQB0 8=48:0B>@0

   for(bar=limit; bar>=0 && !IsStopped(); bar--)

     {

      res=NULL;

      switch(whatlookfor)

        {

         // look for peak or lawn 

         case 0: if(!lastlow && !lasthigh)

           {

            if(HighMapBuffer[bar])

              {

               lasthigh=high[bar];

               lasthighpos = bar;

               whatlookfor = -1;

               ZigzagPeakBuffer[bar]=lasthigh;

               res=1;

              }

            if(LowMapBuffer[bar])

              {

               lastlow=low[bar];

               lastlowpos=bar;

               whatlookfor=1;

               ZigzagLawnBuffer[bar]=lastlow;

               res=1;

              }

           }

         break;

         // look for peak

         case 1: if(LowMapBuffer[bar] && LowMapBuffer[bar]<lastlow && !HighMapBuffer[bar])

           {

            ZigzagLawnBuffer[lastlowpos]=NULL;

            lastlowpos=bar;

            lastlow=LowMapBuffer[bar];

            ZigzagLawnBuffer[bar]=lastlow;

            res=1;

           }

         if(HighMapBuffer[bar] && !LowMapBuffer[bar])

           {

            lasthigh=HighMapBuffer[bar];

            lasthighpos=bar;

            ZigzagPeakBuffer[bar]=lasthigh;

            whatlookfor=-1;

            res=1;

           }

         break;

         // look for lawn

         case -1:  if(HighMapBuffer[bar] && HighMapBuffer[bar]>lasthigh && !LowMapBuffer[bar])

           {

            ZigzagPeakBuffer[lasthighpos]=NULL;

            lasthighpos=bar;

            lasthigh=HighMapBuffer[bar];

            ZigzagPeakBuffer[bar]=lasthigh;

           }

         if(LowMapBuffer[bar] && !HighMapBuffer[bar])

           {

            lastlow=LowMapBuffer[bar];

            lastlowpos=bar;

            ZigzagLawnBuffer[bar]=lastlow;

            whatlookfor=1;

           }

         break;

         default: return(rates_total);

        }

     }



   int barHH,barLL,barHH1,barLL1;

   double HH,LL,HH1,LL1;



//---- "@5B89 1>;LH>9 F8:; @0AGQB0 8=48:0B>@0

   for(bar=limit; bar>=0 && !IsStopped(); bar--)

     {

      ExtOpenBuffer[bar]=NULL;

      ExtHighBuffer[bar]=NULL;

      ExtLowBuffer[bar]=NULL;

      ExtCloseBuffer[bar]=NULL;

      ExtColorBuffer[bar]=EMPTY_VALUE;



      barHH=FindFirstExtremum(bar,rates_total,ZigzagPeakBuffer,HH);

      barHH1=FindFirstExtremum(barHH+1,rates_total,ZigzagPeakBuffer,HH1);



      if(barHH>=0 && barHH1>=0)

        {

         for(int index=barHH1-1; index>barHH && !IsStopped(); index--)

           {

            UpBuffer[index]=HH1;

            UpperBuffer[index]=HH1;

            ColorUpperBuffer[index]=ColorUpperBuffer[index+1];

           }



         for(int index=barHH; index>=bar && !IsStopped(); index--)

           {

            UpBuffer[index]=HH;

            UpperBuffer[index]=HH;

            if(HH>HH1) ColorUpperBuffer[index]=0;

            else if(HH<HH1) ColorUpperBuffer[index]=1;

            else ColorUpperBuffer[index]=ColorUpperBuffer[index+1];

           }

        }



      barLL=FindFirstExtremum(bar,rates_total,ZigzagLawnBuffer,LL);

      barLL1=FindFirstExtremum(barLL+1,rates_total,ZigzagLawnBuffer,LL1);



      if(barLL>=0 && barLL1>=0)

        {

         for(int index=barLL1-1; index>barLL && !IsStopped(); index--)

           {

            DnBuffer[index]=LL1;

            LowerBuffer[index]=LL1;

            ColorLowerBuffer[index]=ColorLowerBuffer[index+1];

           }



         for(int index=barLL; index>=bar && !IsStopped(); index--)

           {

            DnBuffer[index]=LL;

            LowerBuffer[index]=LL;

            if(LL>LL1) ColorLowerBuffer[index]=0;

            else if(LL<LL1) ColorLowerBuffer[index]=1;

            else ColorLowerBuffer[index]=ColorLowerBuffer[index+1];

           }

        }

        

      if(barHH>=0 && barHH1>=0 && barLL>=0 && barLL1>=0)

        {

         for(int index=MathMax(barHH1-1,barLL1-1); index>=bar && !IsStopped(); index--)

           {

            ExtOpenBuffer[index]=NULL;

            ExtHighBuffer[index]=NULL;

            ExtLowBuffer[index]=NULL;

            ExtCloseBuffer[index]=NULL;

            ExtColorBuffer[index]=EMPTY_VALUE;

            

            if(close[index]-UpBuffer[index]>0.0)

              {

               ExtOpenBuffer[index]=open[index];

               ExtHighBuffer[index]=high[index];

               ExtLowBuffer[index]=low[index];

               ExtCloseBuffer[index]=close[index];

               if(close[index]-open[index]<0) ExtColorBuffer[index]=1.0;

               else ExtColorBuffer[index]=0.0;

              }

              

            if(DnBuffer[index]-close[index]>0.0)

              {

               ExtOpenBuffer[index]=open[index];

               ExtHighBuffer[index]=high[index];

               ExtLowBuffer[index]=low[index];

               ExtCloseBuffer[index]=close[index];

               ExtColorBuffer[index]=1.0;

               if(close[index]-open[index]>0) ExtColorBuffer[index]=2.0;

               else ExtColorBuffer[index]=3.0;

              }



           }



        }

     }

//---     

   string text="Zigzag2_R_channel_System";

   

   if(ExtColorBuffer[NumberofBar]==0 || ExtColorBuffer[NumberofBar]==1)

    { 

     if(ExtColorBuffer[NumberofBar+1]!=0 && ExtColorBuffer[NumberofBar+1]!=1) text=text+" @>1>9 :0=0;0! ";

     else text=text+" @>4>;65=85 B@5=40! ";

    } 

    

   if(ExtColorBuffer[NumberofBar]==2 || ExtColorBuffer[NumberofBar]==3)

    { 

     if(ExtColorBuffer[NumberofBar]!=2 && ExtColorBuffer[NumberofBar+1]!=3) text=text+" @>1>9 :0=0;0! ";

     else text=text+" @>4>;65=85 B@5=40! ";

    } 

   

   BuySignal(text,ExtColorBuffer,rates_total,prev_calculated,close,spread);

   SellSignal(text,ExtColorBuffer,rates_total,prev_calculated,close,spread);

//---         

   return(rates_total);

  }

//+------------------------------------------------------------------+

//| >8A: A0<>9 ?5@2>9 25@H8=K 837030 2 1CD5@0E B09<A5@8OE          |

//+------------------------------------------------------------------+     

int FindFirstExtremum(int StartPos,int Rates_total,double &Array[],double &Extremum)

  {

//----

   for(int bar=StartPos; bar<Rates_total; bar++)

     {

      if(Array[bar] && Array[bar]!=EMPTY_VALUE)

        {

         Extremum=Array[bar];

         return(bar);

         break;

        }

     }

//----

   Extremum=NULL;

   return(-1);

  }

//+------------------------------------------------------------------+

//| Buy signal function                                              |

//+------------------------------------------------------------------+

void BuySignal(string SignalSirname,      // B5:AB 8<5=8 8=48:0B>@0 4;O ?>GB>2KE 8 ?CH-A83=0;>2

               double &BuyArrow[],        // 8=48:0B>@=K9 1CD5@ A A83=0;0<8 4;O ?>:C?:8

               const int Rates_total,     // B5:CI55 :>;8G5AB2> 10@>2

               const int Prev_calculated, // :>;8G5AB2> 10@>2 =0 ?@54K4CI5< B8:5

               const double &Close[],     // F5=0 70:@KB8O

               const int &Spread[])       // A?@54

  {

//---

   static uint counter=0;

   if(Rates_total!=Prev_calculated) counter=0;



   bool BuySignal=false;

   bool SeriesTest=ArrayGetAsSeries(BuyArrow);

   int index;

   if(SeriesTest) index=int(NumberofBar);

   else index=Rates_total-int(NumberofBar)-1;

   if(BuyArrow[index]==0 || BuyArrow[index]==1) BuySignal=true;

   if(BuySignal && counter<=NumberofAlerts)

     {

      counter++;

      MqlDateTime tm;

      TimeToStruct(TimeCurrent(),tm);

      string text=TimeToString(TimeCurrent(),TIME_DATE)+" "+string(tm.hour)+":"+string(tm.min);

      SeriesTest=ArrayGetAsSeries(Close);

      if(SeriesTest) index=int(NumberofBar);

      else index=Rates_total-int(NumberofBar)-1;

      double Ask=Close[index];

      double Bid=Close[index];

      SeriesTest=ArrayGetAsSeries(Spread);

      if(SeriesTest) index=int(NumberofBar);

      else index=Rates_total-int(NumberofBar)-1;

      Bid+=Spread[index]*_Point;

      string sAsk=DoubleToString(Ask,_Digits);

      string sBid=DoubleToString(Bid,_Digits);

      string sPeriod=GetStringTimeframe(ChartPeriod());

      if(SoundON) Alert("BUY signal \n Ask=",Ask,"\n Bid=",Bid,"\n currtime=",text,"\n Symbol=",Symbol()," Period=",sPeriod);

      if(EMailON) SendMail(SignalSirname+": BUY signal alert","BUY signal at Ask="+sAsk+", Bid="+sBid+", Date="+text+" Symbol="+Symbol()+" Period="+sPeriod);

      if(PushON) SendNotification(SignalSirname+": BUY signal at Ask="+sAsk+", Bid="+sBid+", Date="+text+" Symbol="+Symbol()+" Period="+sPeriod);

     }



//---

  }

//+------------------------------------------------------------------+

//| Sell signal function                                             |

//+------------------------------------------------------------------+

void SellSignal(string SignalSirname,      // B5:AB 8<5=8 8=48:0B>@0 4;O ?>GB>2KE 8 ?CH-A83=0;>2

                double &SellArrow[],       // 8=48:0B>@=K9 1CD5@ A A83=0;0<8 4;O ?>:C?:8

                const int Rates_total,     // B5:CI55 :>;8G5AB2> 10@>2

                const int Prev_calculated, // :>;8G5AB2> 10@>2 =0 ?@54K4CI5< B8:5

                const double &Close[],     // F5=0 70:@KB8O

                const int &Spread[])       // A?@54

  {

//---

   static uint counter=0;

   if(Rates_total!=Prev_calculated) counter=0;



   bool SellSignal=false;

   bool SeriesTest=ArrayGetAsSeries(SellArrow);

   int index;

   if(SeriesTest) index=int(NumberofBar);

   else index=Rates_total-int(NumberofBar)-1;

   if(SellArrow[index]==2 || SellArrow[index]==3) SellSignal=true;

   if(SellSignal && counter<=NumberofAlerts)

     {

      counter++;

      MqlDateTime tm;

      TimeToStruct(TimeCurrent(),tm);

      string text=TimeToString(TimeCurrent(),TIME_DATE)+" "+string(tm.hour)+":"+string(tm.min);

      SeriesTest=ArrayGetAsSeries(Close);

      if(SeriesTest) index=int(NumberofBar);

      else index=Rates_total-int(NumberofBar)-1;

      double Ask=Close[index];

      double Bid=Close[index];

      SeriesTest=ArrayGetAsSeries(Spread);

      if(SeriesTest) index=int(NumberofBar);

      else index=Rates_total-int(NumberofBar)-1;

      Bid+=Spread[index]*_Point;

      string sAsk=DoubleToString(Ask,_Digits);

      string sBid=DoubleToString(Bid,_Digits);

      string sPeriod=GetStringTimeframe(ChartPeriod());

      if(SoundON) Alert("SELL signal \n Ask=",Ask,"\n Bid=",Bid,"\n currtime=",text,"\n Symbol=",Symbol()," Period=",sPeriod);

      if(EMailON) SendMail(SignalSirname+": SELL signal alert","SELL signal at Ask="+sAsk+", Bid="+sBid+", Date="+text+" Symbol="+Symbol()+" Period="+sPeriod);

      if(PushON) SendNotification(SignalSirname+": SELL signal at Ask="+sAsk+", Bid="+sBid+", Date="+text+" Symbol="+Symbol()+" Period="+sPeriod);

     }

//---

  }

//+------------------------------------------------------------------+

//|  >;CG5=85 B09<D@59<0 2 2845 AB@>:8                              |

//+------------------------------------------------------------------+

string GetStringTimeframe(ENUM_TIMEFRAMES timeframe)

  {

//----

   return(StringSubstr(EnumToString(timeframe),7,-1));

//----

  }

//+------------------------------------------------------------------+