FractalLevels_System

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

//|                                         FractalLevels_System.mq5 |

//|                                        Copyright © 2008, lotos4u |

//|                                                lotos4u@gmail.com |

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

#property copyright "Copyright © 2008, lotos4u"

#property link      "lotos4u@gmail.com"

#property description "Fractal Levels"

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

#property version   "1.00"

//---- >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=> B@8=04F0BL 1CD5@>2

#property indicator_buffers 13

//---- 8A?>;L7>20=> 2A53> 2>A5<L 3@0D8G5A:8E ?>AB@>5=89

#property indicator_plots   8

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

//|  >1JO2;5=85 :>=AB0=B                       |

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

#define RESET 0 // >=AB0=B0 4;O 2>72@0B0 B5@<8=0;C :><0=4K =0 ?5@5AGQB 8=48:0B>@0

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

//|  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  "FractalLevels Cloud"

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

//|  0@0<5B@K >B@8A>2:8 1KGL3> 8=48:0B>@0       |

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

//---- >B@8A>2:0 8=48:0B>@0 1 2 2845 ;8=88

#property indicator_type2   DRAW_LINE

//---- 2 :0G5AB25 F25B0 1KG59 ;8=88 8=48:0B>@0 8A?>;L7>20= DodgerBlue F25B

#property indicator_color2  clrDodgerBlue

//---- ;8=8O 8=48:0B>@0 2 - =5?@5@K2=0O :@820O

#property indicator_style2  STYLE_SOLID

//---- B>;I8=0 ;8=88 8=48:0B>@0 2 @02=0 1

#property indicator_width2  1

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

#property indicator_label2  "$@0:B0;L=>5 A>?@>B82;5=85"

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

//|  0@0<5B@K >B@8A>2:8 <54256L53> 8=48:0B>@0   |

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

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

#property indicator_type3   DRAW_LINE

//---- 2 :0G5AB25 F25B0 <54256L59 ;8=88 8=48:0B>@0 8A?>;L7>20= MediumOrchid F25B

#property indicator_color3  clrMediumOrchid

//---- ;8=8O 8=48:0B>@0 3 - =5?@5@K2=0O :@820O

#property indicator_style3  STYLE_SOLID

//---- B>;I8=0 ;8=88 8=48:0B>@0 3 @02=0 1

#property indicator_width3  1

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

#property indicator_label3  "$@0:B0;L=>5 ?>445@6:0"

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

//|  0@0<5B@K >B@8A>2:8 1KGL3> 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 8=48:0B>@0 8A?>;L7>20= Lime F25B

#property indicator_color4  clrLime

//---- B>;I8=0 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  "$@0:B0;  %"

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

//|  0@0<5B@K >B@8A>2:8 <54256L53> 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= Red F25B

#property indicator_color5  clrRed

//---- B>;I8=0 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 "$@0:B0; "

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

//|  0@0<5B@K >B@8A>2:8 1KGL3> 8=48:0B>@0       |

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

//---- >B@8A>2:0 8=48:0B>@0 6 2 2845 A8<2>;0

#property indicator_type6   DRAW_ARROW

//---- 2 :0G5AB25 F25B0 8=48:0B>@0 8A?>;L7>20= Blue F25B

#property indicator_color6  clrBlue

//---- B>;I8=0 8=48:0B>@0 6 @02=0 3

#property indicator_width6  3

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

#property indicator_label6  "@>1>9  %"

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

//|  0@0<5B@K >B@8A>2:8 <54256L53> 8=48:0B>@0   |

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

//---- >B@8A>2:0 8=48:0B>@0 7 2 2845 A8<2>;0

#property indicator_type7   DRAW_ARROW

//---- 2 :0G5AB25 F25B0 8=48:0B>@0 8A?>;L7>20= Purple F25B

#property indicator_color7  clrPurple

//---- B>;I8=0  8=48:0B>@0 7 @02=0 3

#property indicator_width7  3

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

#property indicator_label7 "@>1>9 "

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

//|  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_type8   DRAW_COLOR_CANDLES

#property indicator_color8  clrChartreuse,clrTeal,clrPurple,clrMagenta

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

#property indicator_label8  "Zigzag2_R_channel_Candle"

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

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

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

input uint LeftBars_  = 3;

input uint RightBars_ = 3;

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 LineUpBuffer[],LineDownBuffer[];

double ArrowUpBuffer[],ArrowDownBuffer[];

double ArrowBreakUpBuffer[],ArrowBreakDownBuffer[];

//---- >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[],ExtLowBuffer[],ExtCloseBuffer[],ExtColorBuffer[];

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

int  min_rates_total;

uint LeftBars,RightBars;

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

//| Custom indicator initialization function                         |

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

void OnInit()

  {

//---- 8=8F80;870F8O 3;>10;L=KE ?5@5<5==KE

   LeftBars=LeftBars_;

   RightBars=RightBars_;

   if(LeftBars<2) LeftBars=2;

   if(RightBars<2) RightBars=2;

   min_rates_total=int(LeftBars+RightBars+1);



//---- ?@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);

//---- 8=45:A0F8O M;5<5=B>2 2 1CD5@5 :0: 2 B09<A5@88

   ArraySetAsSeries(UpBuffer,true);

   ArraySetAsSeries(DnBuffer,true);

//---- >ACI5AB2;5=85 A42830 =0G0;0 >BAGQB0 >B@8A>2:8 8=48:0B>@0 1

   PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,min_rates_total);

//---- CAB0=>2:0 7=0G5=89 8=48:0B>@0, :>B>@K5 =5 1C4CB 2848<K =0 3@0D8:5

   PlotIndexSetDouble(0,PLOT_EMPTY_VALUE,0);



//---- ?@52@0I5=85 48=0<8G5A:>3> <0AA820 2 8=48:0B>@=K9 1CD5@

   SetIndexBuffer(2,LineUpBuffer,INDICATOR_DATA);

//---- >ACI5AB2;5=85 A42830 =0G0;0 >BAGQB0 >B@8A>2:8 8=48:0B>@0 2

   PlotIndexSetInteger(1,PLOT_DRAW_BEGIN,min_rates_total);

//---- 8=45:A0F8O M;5<5=B>2 2 1CD5@5 :0: 2 B09<A5@88

   ArraySetAsSeries(LineUpBuffer,true);

//---- CAB0=>2:0 7=0G5=89 8=48:0B>@0, :>B>@K5 =5 1C4CB 2848<K =0 3@0D8:5

   PlotIndexSetDouble(1,PLOT_EMPTY_VALUE,0);



//---- ?@52@0I5=85 48=0<8G5A:>3> <0AA820 2 8=48:0B>@=K9 1CD5@

   SetIndexBuffer(3,LineDownBuffer,INDICATOR_DATA);

//---- >ACI5AB2;5=85 A42830 =0G0;0 >BAGQB0 >B@8A>2:8 8=48:0B>@0 2

   PlotIndexSetInteger(2,PLOT_DRAW_BEGIN,min_rates_total);

//---- 8=45:A0F8O M;5<5=B>2 2 1CD5@5 :0: 2 B09<A5@88

   ArraySetAsSeries(LineDownBuffer,true);

//---- CAB0=>2:0 7=0G5=89 8=48:0B>@0, :>B>@K5 =5 1C4CB 2848<K =0 3@0D8:5

   PlotIndexSetDouble(2,PLOT_EMPTY_VALUE,0);



//---- ?@52@0I5=85 48=0<8G5A:>3> <0AA820 2 8=48:0B>@=K9 1CD5@

   SetIndexBuffer(4,ArrowUpBuffer,INDICATOR_DATA);

//---- >ACI5AB2;5=85 A42830 =0G0;0 >BAGQB0 >B@8A>2:8 8=48:0B>@0 3

   PlotIndexSetInteger(3,PLOT_DRAW_BEGIN,min_rates_total);

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

   PlotIndexSetInteger(3,PLOT_ARROW,119);

//---- 8=45:A0F8O M;5<5=B>2 2 1CD5@5 :0: 2 B09<A5@88

   ArraySetAsSeries(ArrowUpBuffer,true);

//---- CAB0=>2:0 7=0G5=89 8=48:0B>@0, :>B>@K5 =5 1C4CB 2848<K =0 3@0D8:5

   PlotIndexSetDouble(3,PLOT_EMPTY_VALUE,0);



//---- ?@52@0I5=85 48=0<8G5A:>3> <0AA820 2 8=48:0B>@=K9 1CD5@

   SetIndexBuffer(5,ArrowDownBuffer,INDICATOR_DATA);

//---- >ACI5AB2;5=85 A42830 =0G0;0 >BAGQB0 >B@8A>2:8 8=48:0B>@0 4

   PlotIndexSetInteger(4,PLOT_DRAW_BEGIN,min_rates_total);

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

   PlotIndexSetInteger(4,PLOT_ARROW,119);

//---- 8=45:A0F8O M;5<5=B>2 2 1CD5@5 :0: 2 B09<A5@88

   ArraySetAsSeries(ArrowDownBuffer,true);

//---- CAB0=>2:0 7=0G5=89 8=48:0B>@0, :>B>@K5 =5 1C4CB 2848<K =0 3@0D8:5

   PlotIndexSetDouble(4,PLOT_EMPTY_VALUE,0);



//---- ?@52@0I5=85 48=0<8G5A:>3> <0AA820 2 8=48:0B>@=K9 1CD5@

   SetIndexBuffer(6,ArrowBreakUpBuffer,INDICATOR_DATA);

//---- >ACI5AB2;5=85 A42830 =0G0;0 >BAGQB0 >B@8A>2:8 8=48:0B>@0 5

   PlotIndexSetInteger(5,PLOT_DRAW_BEGIN,min_rates_total);

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

   PlotIndexSetInteger(5,PLOT_ARROW,108);

//---- 8=45:A0F8O M;5<5=B>2 2 1CD5@5 :0: 2 B09<A5@88

   ArraySetAsSeries(ArrowBreakUpBuffer,true);

//---- CAB0=>2:0 7=0G5=89 8=48:0B>@0, :>B>@K5 =5 1C4CB 2848<K =0 3@0D8:5

   PlotIndexSetDouble(5,PLOT_EMPTY_VALUE,0);



//---- ?@52@0I5=85 48=0<8G5A:>3> <0AA820 2 8=48:0B>@=K9 1CD5@

   SetIndexBuffer(7,ArrowBreakDownBuffer,INDICATOR_DATA);

//---- >ACI5AB2;5=85 A42830 =0G0;0 >BAGQB0 >B@8A>2:8 8=48:0B>@0 6

   PlotIndexSetInteger(6,PLOT_DRAW_BEGIN,min_rates_total);

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

   PlotIndexSetInteger(6,PLOT_ARROW,108);

//---- 8=45:A0F8O M;5<5=B>2 2 1CD5@5 :0: 2 B09<A5@88

   ArraySetAsSeries(ArrowBreakDownBuffer,true);

//---- CAB0=>2:0 7=0G5=89 8=48:0B>@0, :>B>@K5 =5 1C4CB 2848<K =0 3@0D8:5

   PlotIndexSetDouble(6,PLOT_EMPTY_VALUE,0);



//---- ?@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);



//---- #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 short_name="Fractal Levels";

   IndicatorSetString(INDICATOR_SHORTNAME,short_name);

//----   

  }

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

//| ?>8A: 25@E=53> D@0:B0;0                                          |

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

double isFractalUp(int index,int lBars,int rBars,const double &High[])

  {

//----   

   int start=index-rBars;

   int end=index+lBars+1;

   double max=High[index]; //@8=8<05< 70 <0:A8<C< 7=0G5=85 %0O 8AA;54C5<>3> 10@0



   for(int i=start; i<end; i++)

      if(max<High[i] && i!=index)

        {

         if(max<High[i]) return(0);

         if(MathAbs(i-index)>1) return(0);

        }

//----

   return(max);

  }

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

//| ?>8A: =86=53> D@0:B0;0                                           |

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

double isFractalDown(int index,int lBars,int rBars,const double &Low[])

  {

//----   

   int start=index-rBars;

   int end=index+lBars+1;

   double min=Low[index]; //@8=8<05< 70 <8=8<C< 7=0G5=85 >C 8AA;54C5<>3> 10@0



   for(int i=start; i<end; i++)

      if(min>Low[i] && i!=index)

        {

         if(min>Low[i]) return(0);

         if(MathAbs(i-index)>1) return(0);

        }

//----

   return(min);

  }

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

//| 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(RESET);



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

   int limit,bar;



//---- @0AGQBK =5>1E>48<>3> :>;8G5AB20 :>?8@C5<KE 40==KE 8

//AB0@B>2>3> =><5@0 limit 4;O F8:;0 ?5@5AGQB0 10@>2

   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-1; // AB0@B>2K9 =><5@ 4;O @0AGQB0 2A5E 10@>2

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



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

   ArraySetAsSeries(open,true);

   ArraySetAsSeries(high,true);

   ArraySetAsSeries(low,true);

   ArraySetAsSeries(close,true);



//---- >A=>2=>9 F8:; @0AGQB0 8=48:0B>@0

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

     {

      ArrowUpBuffer[bar]=NULL;

      ArrowDownBuffer[bar]=NULL;

      ArrowBreakUpBuffer[bar]=NULL;

      ArrowBreakDownBuffer[bar]=NULL;



      if(bar<int(RightBars))

        {

         LineUpBuffer[bar]=UpBuffer[bar]=LineUpBuffer[bar+1];

         LineDownBuffer[bar]=DnBuffer[bar]=LineDownBuffer[bar+1];

         continue;

        }



      UpBuffer[bar]=LineUpBuffer[bar]=isFractalUp(bar,LeftBars,RightBars,high);



      if(!LineUpBuffer[bar]) LineUpBuffer[bar]=UpBuffer[bar]=LineUpBuffer[bar+1];

      else ArrowUpBuffer[bar]=LineUpBuffer[bar];



      LineDownBuffer[bar]=DnBuffer[bar]=isFractalDown(bar,LeftBars,RightBars,low);



      if(!LineDownBuffer[bar]) LineDownBuffer[bar]=DnBuffer[bar]=LineDownBuffer[bar+1];

      else ArrowDownBuffer[bar]=LineDownBuffer[bar];



      if(close[bar]>LineUpBuffer[bar]   && close[bar+1]<=LineUpBuffer[bar+1]  ) ArrowBreakUpBuffer[bar]=close[bar];

      if(close[bar]<LineDownBuffer[bar] && close[bar+1]>=LineDownBuffer[bar+1]) ArrowBreakDownBuffer[bar]=close[bar];

     }

     

   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,ArrowBreakUpBuffer,HH);

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

      //----

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

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

      //----

      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="FractalLevels_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));

//----

  }

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