begin_trend_v02_htf

//+------------------------------------------------------------------+ 
//|                                          Begin_Trend_v02_HTF.mq5 | 
//|                               Copyright © 2015, Nikolay Kositsin | 
//|                              Khabarovsk,   farria@mail.redcom.ru | 
//+------------------------------------------------------------------+ 
#property copyright "Copyright © 2015, Nikolay Kositsin"
#property link "farria@mail.redcom.ru"
//--- íîìåð âåðñèè èíäèêàòîðà
#property version   "1.60"
#property description "Begin_Trend_v02 ñ âîçìîæíîñòüþ èçìåíåíèÿ òàéìôðåéìà âî âõîäíûõ ïàðàìåòðàõ"
//--- îòðèñîâêà èíäèêàòîðà â ãëàâíîì îêíå
#property indicator_chart_window
//--- äëÿ ðàñ÷åòà è îòðèñîâêè èíäèêàòîðà èñïîëüçîâàíî ÷åòûðå áóôåðà
#property indicator_buffers 4
//--- èñïîëüçîâàíî ÷åòûðå ãðàôè÷åñêèõ ïîñòðîåíèÿ
#property indicator_plots   4
//+----------------------------------------------+
//| îáúÿâëåíèå êîíñòàíò                          |
//+----------------------------------------------+
#define RESET 0                            // Êîíñòàíòà äëÿ âîçâðàòà òåðìèíàëó êîìàíäû íà ïåðåñ÷åò èíäèêàòîðà
#define INDICATOR_NAME "Begin_Trend_v02"   // Êîíñòàíòà äëÿ èìåíè èíäèêàòîðà
#define SIZE 1                             // Êîíñòàíòà äëÿ êîëè÷åñòâà âûçîâîâ ôóíêöèè CountIndicator êîäå
//--- îòðèñîâêà èíäèêàòîðà â îòäåëüíîì îêíå
#property indicator_separate_window
//--- äëÿ ðàñ÷åòà è îòðèñîâêè èíäèêàòîðà èñïîëüçîâàíî ÷åòûðå áóôåðà
#property indicator_buffers 4
//--- èñïîëüçîâàíî ÷åòûðå ãðàôè÷åñêèõ ïîñòðîåíèÿ
#property indicator_plots   4
//+----------------------------------------------+
//| Ïàðàìåòðû îòðèñîâêè èíäèêàòîðà +             |
//+----------------------------------------------+
//--- îòðèñîâêà èíäèêàòîðà 1 â âèäå ëèíèè
#property indicator_type1   DRAW_LINE
//--- â êà÷åñòâå öâåòà áû÷åé ëèíèè èíäèêàòîðà èñïîëüçîâàí çåëåíûé öâåò
#property indicator_color1  clrLimeGreen
//--- ëèíèÿ èíäèêàòîðà 1 - íåïðåðûâíàÿ êðèâàÿ
#property indicator_style1  STYLE_SOLID
//--- òîëùèíà ëèíèè èíäèêàòîðà 1 ðàâíà 2
#property indicator_width1  2
//--- îòîáðàæåíèå áû÷åé ìåòêè èíäèêàòîðà
#property indicator_label1  "Begin_Trend_v01 Up"
//+----------------------------------------------+
//| Ïàðàìåòðû îòðèñîâêè èíäèêàòîðà -             |
//+----------------------------------------------+
//--- îòðèñîâêà èíäèêàòîðà 2 â âèäå ëèíèè
#property indicator_type2   DRAW_LINE
//--- â êà÷åñòâå öâåòà ìåäâåæüåé ëèíèè èíäèêàòîðà èñïîëüçîâàí êðàñíûé öâåò
#property indicator_color2  clrRed
//--- ëèíèÿ èíäèêàòîðà 2 - íåïðåðûâíàÿ êðèâàÿ
#property indicator_style2  STYLE_SOLID
//--- òîëùèíà ëèíèè èíäèêàòîðà 2 ðàâíà 2
#property indicator_width2  2
//--- îòîáðàæåíèå ìåäâåæüåé ìåòêè èíäèêàòîðà
#property indicator_label2  "Begin_Trend_v01 Down"
//+----------------------------------------------+
//| Ïàðàìåòðû îòðèñîâêè èíäèêàòîðà Buy           |
//+----------------------------------------------+
//--- îòðèñîâêà èíäèêàòîðà 3 â âèäå ãèñòîãðàììû
#property indicator_type3   DRAW_HISTOGRAM
//--- â êà÷åñòâå öâåòà áû÷åé ëèíèè èíäèêàòîðà èñïîëüçîâàí ñàëàòîâûé öâåò
#property indicator_color3  clrLime
//--- ëèíèÿ èíäèêàòîðà 3 - íåïðåðûâíàÿ êðèâàÿ
#property indicator_style3  STYLE_SOLID
//--- òîëùèíà ëèíèè èíäèêàòîðà 3 ðàâíà 4
#property indicator_width3  4
//--- îòîáðàæåíèå áû÷åé ìåòêè èíäèêàòîðà
#property indicator_label3  "Begin_Trend_v01 Up"
//+----------------------------------------------+
//| Ïàðàìåòðû îòðèñîâêè èíäèêàòîðà Sell          |
//+----------------------------------------------+
//--- îòðèñîâêà èíäèêàòîðà 4 â âèäå ãèñòîãðàììû
#property indicator_type4   DRAW_HISTOGRAM
//--- â êà÷åñòâå öâåòà ìåäâåæüåé ëèíèè èíäèêàòîðà èñïîëüçîâàí êðàñíûé öâåò
#property indicator_color4  clrRed
//--- ëèíèÿ èíäèêàòîðà 4 - íåïðåðûâíàÿ êðèâàÿ
#property indicator_style4  STYLE_SOLID
//--- òîëùèíà ëèíèè èíäèêàòîðà 4 ðàâíà 4
#property indicator_width4  4
//--- îòîáðàæåíèå ìåäâåæüåé ìåòêè èíäèêàòîðà
#property indicator_label4  "Begin_Trend_v01 Down"
//+----------------------------------------------+
//| Ïàðàìåòðû îòîáðàæåíèÿ ãîðèçîíòàëüíûõ óðîâíåé |
//+----------------------------------------------+
#property indicator_level1 +100.0
#property indicator_level2  +50.0
#property indicator_level3    0.0
#property indicator_level4  -50.0
#property indicator_level5 -100.0
#property indicator_levelcolor clrBlue
#property indicator_levelstyle STYLE_SOLID
#property indicator_levelwidth 1
//+----------------------------------------------+
//| Âõîäíûå ïàðàìåòðû èíäèêàòîðà                 |
//+----------------------------------------------+ 
input ENUM_TIMEFRAMES TimeFrame=PERIOD_H4;  // Ïåðèîä ãðàôèêà èíäèêàòîðà (òàéìôðåéì)
input uint Period_Channel=70;
input uint Period_Input=48;
input int Shift=0;                          // Ñäâèã èíäèêàòîðà ïî ãîðèçîíòàëè â áàðàõ
//+----------------------------------------------+
//--- îáúÿâëåíèå äèíàìè÷åñêèõ ìàññèâîâ, êîòîðûå â äàëüíåéøåì
//--- áóäóò èñïîëüçîâàíû â êà÷åñòâå èíäèêàòîðíûõ áóôåðîâ
double Up1IndBuffer[];
double Dn1IndBuffer[];
double Up2IndBuffer[];
double Dn2IndBuffer[];
//--- îáúÿâëåíèå öåëî÷èñëåííûõ ïåðåìåííûõ íà÷àëà îòñ÷åòà äàííûõ
int min_rates_total;
//--- îáúÿâëåíèå öåëî÷èñëåííûõ ïåðåìåííûõ äëÿ õåíäëîâ èíäèêàòîðîâ
int Ind_Handle;
//+------------------------------------------------------------------+
//| Ïîëó÷åíèå òàéìôðåéìà â âèäå ñòðîêè                               |
//+------------------------------------------------------------------+
string GetStringTimeframe(ENUM_TIMEFRAMES timeframe)
  {return(StringSubstr(EnumToString(timeframe),7,-1));}
//+------------------------------------------------------------------+    
//| Custom indicator initialization function                         | 
//+------------------------------------------------------------------+  
int OnInit()
  {
//--- ïðîâåðêà ïåðèîäîâ ãðàôèêîâ íà êîððåêòíîñòü
   if(!TimeFramesCheck(INDICATOR_NAME,TimeFrame)) return(INIT_FAILED);
//--- èíèöèàëèçàöèÿ ïåðåìåííûõ 
   min_rates_total=2;
//--- ïîëó÷åíèå õåíäëà èíäèêàòîðà Begin_Trend_v02
   Ind_Handle=iCustom(Symbol(),TimeFrame,"Begin_Trend_v02",Period_Channel,Period_Input,0);
   if(Ind_Handle==INVALID_HANDLE)
     {
      Print(" Íå óäàëîñü ïîëó÷èòü õåíäë èíäèêàòîðà Begin_Trend_v02");
      return(INIT_FAILED);
     }
//--- èíèöèàëèçàöèÿ èíäèêàòîðíûõ áóôåðîâ
   IndInit(0,Up1IndBuffer,INDICATOR_DATA);
   IndInit(1,Dn1IndBuffer,INDICATOR_DATA);
   IndInit(2,Up2IndBuffer,INDICATOR_DATA);
   IndInit(3,Dn2IndBuffer,INDICATOR_DATA);
//--- èíèöèàëèçàöèÿ èíäèêàòîðîâ
   PlotInit(0,EMPTY_VALUE,0,Shift);
   PlotInit(1,EMPTY_VALUE,0,Shift);
   PlotInit(2,EMPTY_VALUE,0,Shift);
   PlotInit(3,EMPTY_VALUE,0,Shift);
//--- ñîçäàíèå èìåíè äëÿ îòîáðàæåíèÿ â îòäåëüíîì ïîäîêíå è âî âñïëûâàþùåé ïîäñêàçêå
   string shortname;
   StringConcatenate(shortname,INDICATOR_NAME,"(",GetStringTimeframe(TimeFrame),")");
   IndicatorSetString(INDICATOR_SHORTNAME,shortname);
//--- îïðåäåëåíèå òî÷íîñòè îòîáðàæåíèÿ çíà÷åíèé èíäèêàòîðà
   IndicatorSetInteger(INDICATOR_DIGITS,0);
//--- çàâåðøåíèå èíèöèàëèçàöèè
   return(INIT_SUCCEEDED);
  }
//+------------------------------------------------------------------+  
//| Custom iteration function                                        | 
//+------------------------------------------------------------------+  
int OnCalculate(const int rates_total,    // êîëè÷åñòâî èñòîðèè â áàðàõ íà òåêóùåì òèêå
                const int prev_calculated,// êîëè÷åñòâî èñòîðèè â áàðàõ íà ïðåäûäóùåì òèêå
                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[])
  {
//--- ïðîâåðêà êîëè÷åñòâà áàðîâ íà äîñòàòî÷íîñòü äëÿ ðàñ÷åòà
   if(rates_total<min_rates_total) return(RESET);
   if(BarsCalculated(Ind_Handle)<Bars(Symbol(),TimeFrame)) return(prev_calculated);
//--- èíäåêñàöèÿ ýëåìåíòîâ â ìàññèâàõ êàê â òàéìñåðèÿõ  
   ArraySetAsSeries(time,true);
//---
   if(!CountIndicator(0,NULL,TimeFrame,Ind_Handle,0,Up1IndBuffer,1,Dn1IndBuffer,2,
      Up2IndBuffer,3,Dn2IndBuffer,time,rates_total,prev_calculated,min_rates_total))return(RESET);
//---     
   return(rates_total);
  }
//---
//+------------------------------------------------------------------+
//| Èíèöèàëèçàöèÿ èíäèêàòîðíîãî áóôåðà                               |
//+------------------------------------------------------------------+    
void IndInit(int Number,double &Buffer[],ENUM_INDEXBUFFER_TYPE Type)
  {
//--- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà â èíäèêàòîðíûé áóôåð
   SetIndexBuffer(Number,Buffer,Type);
//--- èíäåêñàöèÿ ýëåìåíòîâ â áóôåðå êàê â òàéìñåðèè
   ArraySetAsSeries(Buffer,true);
//---
  }
//+------------------------------------------------------------------+
//| Èíèöèàëèçàöèÿ èíäèêàòîðà                                         |
//+------------------------------------------------------------------+    
void PlotInit(int Number,double Empty_Value,int Draw_Begin,int nShift)
  {
//--- îñóùåñòâëåíèå ñäâèãà íà÷àëà îòñ÷åòà îòðèñîâêè èíäèêàòîðà
   PlotIndexSetInteger(Number,PLOT_DRAW_BEGIN,Draw_Begin);
//--- óñòàíîâêà çíà÷åíèé èíäèêàòîðà, êîòîðûå íå áóäóò âèäèìû íà ãðàôèêå
   PlotIndexSetDouble(Number,PLOT_EMPTY_VALUE,Empty_Value);
//--- îñóùåñòâëåíèå ñäâèãà èíäèêàòîðà ïî ãîðèçîíòàëè íà Shift
   PlotIndexSetInteger(Number,PLOT_SHIFT,nShift);
//---
  }
//+------------------------------------------------------------------+
//| CountLine                                                        |
//+------------------------------------------------------------------+
bool CountIndicator(uint     Numb,            // Íîìåð ôóíêöèè CountLine ïî ñïèñêó â êîäå èíäèêàòîðà (ñòàðòîâûé íîìåð - 0)
                    string   Symb,            // Ñèìâîë ãðàôèêà
                    ENUM_TIMEFRAMES TFrame,   // Ïåðèîä ãðàôèêà
                    int      IndHandle,       // Õåíäë îáðàáàòûâàåìîãî èíäèêàòîðà
                    uint     Up1BuffNumb,      // Íîìåð âåðõíåãî áóôåðà îáðàáàòûâàåìîãî èíäèêàòîðà äëÿ îáëàêà
                    double&  Up1IndBuf[],      // Ïðèåìíûé âåðõíèé áóôåð èíäèêàòîðà 1
                    uint     Dn1BuffNumb,      // Íîìåð íèæíåãî áóôåðà îáðàáàòûâàåìîãî èíäèêàòîðà äëÿ îáëàêà
                    double&  Dn1IndBuf[],      // Ïðèåìíûé íèæíèé áóôåð èíäèêàòîðà 2
                    uint     Up2BuffNumb,      // Íîìåð âåðõíåãî áóôåðà îáðàáàòûâàåìîãî èíäèêàòîðà äëÿ îáëàêà
                    double&  Up2IndBuf[],      // Ïðèåìíûé âåðõíèé áóôåð èíäèêàòîðà 3
                    uint     Dn2BuffNumb,      // Íîìåð íèæíåãî áóôåðà îáðàáàòûâàåìîãî èíäèêàòîðà äëÿ îáëàêà
                    double&  Dn2IndBuf[],      // Ïðèåìíûé íèæíèé áóôåð èíäèêàòîðà 4
                    const datetime& iTime[],  // Òàéìñåðèÿ âðåìåíè
                    const int Rates_Total,    // êîëè÷åñòâî èñòîðèè â áàðàõ íà òåêóùåì òèêå
                    const int Prev_Calculated,// êîëè÷åñòâî èñòîðèè â áàðàõ íà ïðåäûäóùåì òèêå
                    const int Min_Rates_Total)// ìèíèìàëüíîå êîëè÷åñòâî èñòîðèè â áàðàõ äëÿ ðàñ÷åòà
  {
//---
   static int LastCountBar[SIZE];
   datetime IndTime[1];
   int limit;
//--- ðàñ÷åòû íåîáõîäèìîãî êîëè÷åñòâà êîïèðóåìûõ äàííûõ
//--- è ñòàðòîâîãî íîìåðà limit äëÿ öèêëà ïåðåñ÷åòà áàðîâ
   if(Prev_Calculated>Rates_Total || Prev_Calculated<=0)// ïðîâåðêà íà ïåðâûé ñòàðò ðàñ÷åòà èíäèêàòîðà
     {
      limit=Rates_Total-Min_Rates_Total-1; // ñòàðòîâûé íîìåð äëÿ ðàñ÷åòà âñåõ áàðîâ
      LastCountBar[Numb]=limit;
     }
   else limit=LastCountBar[Numb]+Rates_Total-Prev_Calculated; // ñòàðòîâûé íîìåð äëÿ ðàñ÷åòà íîâûõ áàðîâ 
//--- îñíîâíîé öèêë ðàñ÷åòà èíäèêàòîðà
   for(int bar=limit; bar>=0 && !IsStopped(); bar--)
     {
      //--- êîïèðóåì âíîâü ïîÿâèâøèåñÿ äàííûå â ìàññèâ IndTime
      if(CopyTime(Symbol(),TFrame,iTime[bar],1,IndTime)<=0) return(RESET);
      //---
      if(iTime[bar]>=IndTime[0] && iTime[bar+1]<IndTime[0])
        {
         LastCountBar[Numb]=bar;
         double Up1Arr[1],Dn1Arr[1];
         double Up2Arr[1],Dn2Arr[1];
         //--- êîïèðóåì âíîâü ïîÿâèâøèåñÿ äàííûå â ìàññèâû
         if(CopyBuffer(IndHandle,Up1BuffNumb,iTime[bar],1,Up1Arr)<=0) return(RESET);
         if(CopyBuffer(IndHandle,Dn1BuffNumb,iTime[bar],1,Dn1Arr)<=0) return(RESET);
         if(CopyBuffer(IndHandle,Up2BuffNumb,iTime[bar],1,Up2Arr)<=0) return(RESET);
         if(CopyBuffer(IndHandle,Dn2BuffNumb,iTime[bar],1,Dn2Arr)<=0) return(RESET);
         //---         
         Up1IndBuf[bar]=Up1Arr[0];
         Dn1IndBuf[bar]=Dn1Arr[0];
         Up2IndBuf[bar]=Up2Arr[0];
         Dn2IndBuf[bar]=Dn2Arr[0];
        }
      else
        {
         Up1IndBuf[bar]=Up1IndBuf[bar+1];
         Dn1IndBuf[bar]=Dn1IndBuf[bar+1];
         Up2IndBuf[bar]=Up2IndBuf[bar+1];
         Dn2IndBuf[bar]=Dn2IndBuf[bar+1];
        }
     }
//--- 
   return(true);
  }
//+------------------------------------------------------------------+
//| TimeFramesCheck()                                                |
//+------------------------------------------------------------------+    
bool TimeFramesCheck(string IndName,
                     ENUM_TIMEFRAMES TFrame) //Ïåðèîä ãðàôèêà èíäèêàòîðà (òàéìôðåéì)
  {
//--- ïðîâåðêà ïåðèîäîâ ãðàôèêîâ íà êîððåêòíîñòü
   if(TFrame<Period() && TFrame!=PERIOD_CURRENT)
     {
      Print("Ïåðèîä ãðàôèêà äëÿ èíäèêàòîðà "+IndName+" íå ìîæåò áûòü ìåíüøå ïåðèîäà òåêóùåãî ãðàôèêà!");
      Print("Ñëåäóåò èçìåíèòü âõîäíûå ïàðàìåòðû èíäèêàòîðà!");
      return(RESET);
     }
//---
   return(true);
  }
//+------------------------------------------------------------------+