GannZIGZAG_Arrows_HTF

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

//|                                           GannZIGZAG_Arrows_HTF.mq5 |

//|                                  Copyright © 2018, Nikolay Kositsin |

//|                                 Khabarovsk,   farria@mail.redcom.ru |

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

//| ;O @01>BK 8=48:0B>@0 D09; GannZIGZAG_Arrows.mq5 A;54C5B ?>;>68BL   |

//| 2 ?0?:5: :0B0;>3_40==KE_B5@<8=0;0\MQL5\Indicators 8 >B:><?8;8@>20BL |

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

#property copyright "Copyright © 2018, Nikolay Kositsin"

#property link "farria@mail.redcom.ru"

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

#property version   "1.61"

//---- >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=> 2 1CD5@0

#property indicator_buffers 2

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

#property indicator_plots   2

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

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

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

#define RESET 0                            // :>=AB0=B0 4;O 2>72@0B0 B5@<8=0;C :><0=4K =0 ?5@5AG5B 8=48:0B>@0

#define INDICATOR_NAME "GannZIGZAG_Arrows" // :>=AB0=B0 4;O 8<5=8 8=48:0B>@0

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

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

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

//---- >B@8A>2:0 8=48:0B>@0 1 2 2845 A8<2>;0

#property indicator_type1   DRAW_ARROW

//---- 2 :0G5AB25 F25B0 8=48:0B>@0 8A?>;L7>20= @>7>2K9 F25B

#property indicator_color1  clrMagenta

//---- B>;I8=0 ;8=88 8=48:0B>@0 1 @02=0 5

#property indicator_width1  5

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

#property indicator_label1  "Up GannZIGZAG Arrows"

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

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

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

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

#property indicator_type2   DRAW_ARROW

//---- 2 :0G5AB25 F25B0 8=48:0B>@0 8A?>;L7>20= A25B;>-75;Q=K9 F25B

#property indicator_color2  clrLimeGreen

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

#property indicator_width2  5

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

#property indicator_label2 "Down GannZIGZAG Arrows"

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

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

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

input ENUM_TIMEFRAMES TimeFrame=PERIOD_H4;  // 5@8>4 3@0D8:0

input uint GSv_range=2;

input int Shift=0; // A4283 8=48:0B>@0 ?> 3>@87>=B0;8 2 10@0E

input uint  UpLable=170;//7=0GQ: 25@E=53> D@0:B0;0

input uint  DnLable=170;//7=0GQ: =86=53> D@0:B0;0

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

//---- >1JO2;5=85 48=0<8G5A:8E <0AA82>2, :>B>@K5 2 40;L=59H5<

//---- 1C4CB 8A?>;L7>20=K 2 :0G5AB25 8=48:0B>@=KE 1CD5@>2

double HighBuffer[];

double LowBuffer[];

//---- >1JO2;5=85 F5;>G8A;5==KE ?5@5<5==KE =0G0;0 >BAG5B0 40==KE

int min_rates_total,LimitShift;

//---- >1JO2;5=85 F5;>G8A;5==KE ?5@5<5==KE 4;O E5=4;>2 8=48:0B>@>2

int ZigZag_Handle;

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

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

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

string GetStringTimeframe(ENUM_TIMEFRAMES timeframe)

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

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

//| Custom indicator initialization function                         | 

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

int OnInit()

  {

//---- 8=8F80;870F8O ?5@5<5==KE 

   double timeratio=PeriodSeconds(TimeFrame)/PeriodSeconds(PERIOD_CURRENT);

   min_rates_total=int(2*timeratio);

   LimitShift=min_rates_total;



//---- ?>;CG5=85 E5=4;0 8=48:0B>@0 GannZIGZAG_Arrows

   ZigZag_Handle=iCustom(NULL,TimeFrame,"GannZIGZAG_Arrows",GSv_range,0,UpLable,DnLable);

   if(ZigZag_Handle==INVALID_HANDLE)

     {

      Print(" 5 C40;>AL ?>;CG8BL E5=4; 8=48:0B>@0 GannZIGZAG_Arrows");

      return(INIT_FAILED);

     }

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

   SetIndexBuffer(0,LowBuffer,INDICATOR_DATA);

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

   ArraySetAsSeries(LowBuffer,true);

   

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

   SetIndexBuffer(1,HighBuffer,INDICATOR_DATA);

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

   ArraySetAsSeries(HighBuffer,true);

   

//---- 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);

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

   PlotIndexSetInteger(0,PLOT_ARROW,DnLable);

   PlotIndexSetInteger(1,PLOT_ARROW,UpLable);

//---- CAB0=>2:0 ?>78F88, A :>B>@>9 =0G8=05BAO >B@8A>2:0 C@>2=59 >;;8=465@0

   PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,min_rates_total);

   PlotIndexSetInteger(1,PLOT_DRAW_BEGIN,min_rates_total);

//---- >ACI5AB2;5=85 A42830 8=48:0B>@0 ?> 3>@87>=B0;8 =0 Shift

   PlotIndexSetInteger(0,PLOT_SHIFT,Shift);

   PlotIndexSetInteger(1,PLOT_SHIFT,Shift);

   

//---- A>740=85 8<5=8 4;O >B>1@065=8O 2 >B45;L=>< ?>4>:=5 8 2> 2A?;K20NI59 ?>4A:07:5

   string shortname;

   StringConcatenate(shortname,INDICATOR_NAME,"(",Symbol(),GetStringTimeframe(_Period),")");

   IndicatorSetString(INDICATOR_SHORTNAME,shortname);

//---- >?@545;5=85 B>G=>AB8 >B>1@065=8O 7=0G5=89 8=48:0B>@0

   IndicatorSetInteger(INDICATOR_DIGITS,_Digits);

//--- 7025@H5=85 8=8F80;870F88

   return(INIT_SUCCEEDED);

  }

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

//| >8A: ?5@2>3> M:AB@5<C<0 ?> 53> 7=0G5=8N 2 B09<A5@88             | 

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

int FindMax(double Value,int start,int end,const double &Array[])

  {

//----

   for(int bar=start; bar>=end; bar--) if(Array[bar]>=Value) return(bar);

//----

   return(ArrayMaximum(Array,end,start-end));

  }

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

//| >8A: ?5@2>3> M:AB@5<C<0 ?> 53> 7=0G5=8N 2 B09<A5@88             | 

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

int FindMin(double Value,int start,int end,const double &Array[])

  {

//----

   for(int bar=start; bar>=end; bar--) if(Array[bar]<=Value) return(bar);

//----

   return(ArrayMinimum(Array,end,start-end));

  }

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

//| Custom iteration function                                        | 

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

int OnCalculate(const int rates_total,    // :>;8G5AB2> 8AB>@88 2 10@0E =0 B5:CI5< B8:5

                const int prev_calculated,// :>;8G5AB2> 8AB>@88 2 10@0E =0 ?@54K4CI5< B8:5

                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 @0AG5B0

   if(rates_total<min_rates_total) return(RESET);

   if(BarsCalculated(ZigZag_Handle)<Bars(Symbol(),TimeFrame)) return(prev_calculated);



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

   double UpZigZag[1],DnZigZag[1];

   datetime ZigZagTime[1];

   int limit,bar;

   static int maxbar,minbar;



//---- @0AG5BK =5>1E>48<>3> :>;8G5AB20 :>?8@C5<KE 40==KE

//---- 8 AB0@B>2>3> =><5@0 limit 4;O F8:;0 ?5@5AG5B0 10@>2

   if(prev_calculated>rates_total || prev_calculated<=0)// ?@>25@:0 =0 ?5@2K9 AB0@B @0AG5B0 8=48:0B>@0

     {

      limit=rates_total-min_rates_total-1;            // AB0@B>2K9 =><5@ 4;O @0AG5B0 2A5E 10@>2

      maxbar=0;

      minbar=0;

     }

   else limit=LimitShift+rates_total-prev_calculated; // AB0@B>2K9 =><5@ 4;O @0AG5B0 =>2KE 10@>2 



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

   ArraySetAsSeries(time,true);

   ArraySetAsSeries(high,true);

   ArraySetAsSeries(low,true);



//---- >1=C;8< A>45@68<>5 8=48:0B>@=KE 1CD5@>2 4> @0AG5B0

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

     {

      LowBuffer[bar]=NULL;

      HighBuffer[bar]=NULL;

     }



//---- >A=>2=>9 F8:; @0AG5B0 8=48:0B>@0

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

     {

      //---- :>?8@C5< 2=>2L ?>O282H85AO 40==K5 2 <0AA82K

      if(CopyTime(NULL,TimeFrame,time[bar],1,ZigZagTime)<=0) return(RESET);



      if(time[bar+1]<ZigZagTime[0] && time[bar]>=ZigZagTime[0])

        {

         //---- :>?8@C5< 2=>2L ?>O282H85AO 40==K5 2 <0AA82K

         if(CopyBuffer(ZigZag_Handle,1,time[bar],1,UpZigZag)<=0) return(RESET);

         if(CopyBuffer(ZigZag_Handle,0,time[bar],1,DnZigZag)<=0) return(RESET);



         if(UpZigZag[0])

           {

            maxbar=FindMax(UpZigZag[0],bar,0,high);

            HighBuffer[maxbar]=UpZigZag[0];

            LimitShift=bar;

           }

         if(DnZigZag[0])

           {

            minbar=FindMin(DnZigZag[0],bar,0,low);

            LowBuffer[minbar]=DnZigZag[0];

            LimitShift=bar;

           }

        }

     }

//----     

   return(rates_total);

  }

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