dynamicrs_3clines

//+------------------------------------------------------------------+
//|                                            DynamicRS_3CLines.mq5 |
//|                           Copyright © 2006, Renato P. dos Santos |
//|                   inspired on 4xtraderCY's and SchaunRSA's ideas |
//|   http://www.strategybuilderfx.com/forums/showthread.php?t=16086 |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2006, Renato P. dos Santos"
#property link "http://www.strategybuilderfx.com/forums/showthread.php?t=16086"
//---- íîìåð âåðñèè èíäèêàòîðà
#property version   "1.00"
//---- îïèñàíèå èíäèêàòîðà
#property description ""
//---- îòðèñîâêà èíäèêàòîðà â ãëàâíîì îêíå
#property indicator_chart_window 
//---- äëÿ ðàñ÷åòà è îòðèñîâêè èíäèêàòîðà èñïîëüçîâàíî òðè áóôåðà
#property indicator_buffers 3
//---- èñïîëüçîâàíî òðè ãðàôè÷åñêèõ ïîñòðîåíèÿ
#property indicator_plots   3
//+----------------------------------------------+
//| Ïàðàìåòðû îòðèñîâêè âåðõíåé ëèíèè 1          |
//+----------------------------------------------+
//---- îòðèñîâêà èíäèêàòîðà 1 â âèäå ëèíèè
#property indicator_type1   DRAW_LINE
//---- â êà÷åñòâå öâåòà ëèíèè èíäèêàòîðà èñïîëüçîâàí DarkOrange öâåò
#property indicator_color1  clrDarkOrange
//---- ëèíèÿ èíäèêàòîðà 1 - íåïðåðûâíàÿ êðèâàÿ
#property indicator_style1  STYLE_SOLID
//---- òîëùèíà ëèíèè èíäèêàòîðà 2 ðàâíà 2
#property indicator_width1  2
//---- îòîáðàæåíèå ìåòêè èíäèêàòîðà
#property indicator_label1  "Top"
//+----------------------------------------------+
//| Ïàðàìåòðû îòðèñîâêè ëèíèè 2                  |
//+----------------------------------------------+
//---- îòðèñîâêà èíäèêàòîðà 2 â âèäå ëèíèè
#property indicator_type2   DRAW_LINE
//---- â êà÷åñòâå öâåòà ëèíèè èíäèêàòîðà èñïîëüçîâàí Lime öâåò
#property indicator_color2  clrLime
//---- 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  "Bottom"
//+----------------------------------------------+
//| Ïàðàìåòðû îòðèñîâêè ëèíèè 3                  |
//+----------------------------------------------+
//---- îòðèñîâêà èíäèêàòîðà 3 â âèäå ëèíèè
#property indicator_type3   DRAW_LINE
//---- â êà÷åñòâå öâåòà ëèíèè èíäèêàòîðà èñïîëüçîâàí MediumPurple öâåò
#property indicator_color3  clrMediumPurple
//---- ëèíèÿ èíäèêàòîðà 3 - íåïðåðûâíàÿ êðèâàÿ
#property indicator_style3  STYLE_SOLID
//---- òîëùèíà ëèíèè èíäèêàòîðà 3 ðàâíà 2
#property indicator_width3  2
//---- îòîáðàæåíèå ìåòêè èíäèêàòîðà
#property indicator_label3  "ExtMap"
//+----------------------------------------------+
//| Îáúÿâëåíèå êîíñòàíò                          |
//+----------------------------------------------+
#define RESET 0 // êîíñòàíòà äëÿ âîçâðàòà òåðìèíàëó êîìàíäû íà ïåðåñ÷åò èíäèêàòîðà
//+----------------------------------------------+
//| Âõîäíûå ïàðàìåòðû èíäèêàòîðà                 |
//+----------------------------------------------+
input int    Shift=0; // Ñäâèã èíäèêàòîðà ïî ãîðèçîíòàëè â áàðàõ
//+----------------------------------------------+
//---- îáúÿâëåíèå äèíàìè÷åñêèõ ìàññèâîâ, êîòîðûå áóäóò â 
//---- äàëüíåéøåì èñïîëüçîâàíû â êà÷åñòâå èíäèêàòîðíûõ áóôåðîâ
double Ind1Buffer[];
double Ind2Buffer[];
double Ind3Buffer[];
//---- îáúÿâëåíèå öåëî÷èñëåííûõ ïåðåìåííûõ íà÷àëà îòñ÷åòà äàííûõ
int min_rates_total;
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+  
int OnInit()
  {
//---- èíèöèàëèçàöèÿ ïåðåìåííûõ íà÷àëà îòñ÷åòà äàííûõ
   min_rates_total=2;
//---- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà â èíäèêàòîðíûé áóôåð
   SetIndexBuffer(0,Ind1Buffer,INDICATOR_DATA);
//---- îñóùåñòâëåíèå ñäâèãà èíäèêàòîðà 1 ïî ãîðèçîíòàëè íà Shift
   PlotIndexSetInteger(0,PLOT_SHIFT,Shift);
//---- îñóùåñòâëåíèå ñäâèãà íà÷àëà îòñ÷åòà îòðèñîâêè èíäèêàòîðà 1 íà min_rates_total
   PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,min_rates_total);
//---- óñòàíîâêà çíà÷åíèé èíäèêàòîðà, êîòîðûå íå áóäóò âèäèìû íà ãðàôèêå
   PlotIndexSetDouble(0,PLOT_EMPTY_VALUE,EMPTY_VALUE);
//---- èíäåêñàöèÿ ýëåìåíòîâ â áóôåðå êàê â òàéìñåðèè
   ArraySetAsSeries(Ind1Buffer,true);
//---- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà â èíäèêàòîðíûé áóôåð
   SetIndexBuffer(1,Ind3Buffer,INDICATOR_DATA);
//---- îñóùåñòâëåíèå ñäâèãà èíäèêàòîðà 2 ïî ãîðèçîíòàëè íà Shift
   PlotIndexSetInteger(1,PLOT_SHIFT,Shift);
//---- îñóùåñòâëåíèå ñäâèãà íà÷àëà îòñ÷åòà îòðèñîâêè èíäèêàòîðà 2 íà min_rates_total
   PlotIndexSetInteger(1,PLOT_DRAW_BEGIN,min_rates_total);
//---- óñòàíîâêà çíà÷åíèé èíäèêàòîðà, êîòîðûå íå áóäóò âèäèìû íà ãðàôèêå
   PlotIndexSetDouble(1,PLOT_EMPTY_VALUE,EMPTY_VALUE);
//---- èíäåêñàöèÿ ýëåìåíòîâ â áóôåðå êàê â òàéìñåðèè
   ArraySetAsSeries(Ind3Buffer,true);
//---- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà â èíäèêàòîðíûé áóôåð
   SetIndexBuffer(2,Ind2Buffer,INDICATOR_DATA);
//---- îñóùåñòâëåíèå ñäâèãà èíäèêàòîðà 3 ïî ãîðèçîíòàëè íà Shift
   PlotIndexSetInteger(2,PLOT_SHIFT,Shift);
//---- îñóùåñòâëåíèå ñäâèãà íà÷àëà îòñ÷åòà îòðèñîâêè èíäèêàòîðà 3 íà min_rates_total
   PlotIndexSetInteger(2,PLOT_DRAW_BEGIN,min_rates_total);
//---- óñòàíîâêà çíà÷åíèé èíäèêàòîðà, êîòîðûå íå áóäóò âèäèìû íà ãðàôèêå
   PlotIndexSetDouble(2,PLOT_EMPTY_VALUE,EMPTY_VALUE);
//---- èíäåêñàöèÿ ýëåìåíòîâ â áóôåðå êàê â òàéìñåðèè
   ArraySetAsSeries(Ind2Buffer,true);
//--- ñîçäàíèå èìåíè äëÿ îòîáðàæåíèÿ â îòäåëüíîì ïîäîêíå è âî âñïëûâàþùåé ïîäñêàçêå
   IndicatorSetString(INDICATOR_SHORTNAME,"DynamicRS_3CLines");
//--- îïðåäåëåíèå òî÷íîñòè îòîáðàæåíèÿ çíà÷åíèé èíäèêàòîðà
   IndicatorSetInteger(INDICATOR_DIGITS,_Digits);
//---- çàâåðøåíèå èíèöèàëèçàöèè
   return(INIT_SUCCEEDED);
  }
//+------------------------------------------------------------------+
//| Custom indicator 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[],     // öåíîâîé ìàññèâ ìàêñèìóìîâ öåíû äëÿ ðàñ÷åòà èíäèêàòîðà
                const double& low[],      // öåíîâîé ìàññèâ ìèíèìóìîâ öåíû  äëÿ ðàñ÷åòà èíäèêàòîðà
                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);
//---- îáúÿâëåíèÿ ëîêàëüíûõ ïåðåìåííûõ 
   int limit,bar;
//---- èíäåêñàöèÿ ýëåìåíòîâ â ìàññèâàõ êàê â òàéìñåðèÿõ  
   ArraySetAsSeries(high,true);
   ArraySetAsSeries(low,true);
//---- 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-1-min_rates_total; // ñòàðòîâûé íîìåð äëÿ ðàñ÷åòà âñåõ áàðîâ
      bar=limit+1;
      double res=(high[bar]+low[bar])/2;
      Ind1Buffer[bar]=res;
      Ind2Buffer[bar]=res;
      Ind3Buffer[bar]=res;
     }
   else limit=rates_total-prev_calculated; // ñòàðòîâûé íîìåð äëÿ ðàñ÷åòà íîâûõ áàðîâ
//---- îñíîâíîé öèêë ðàñ÷åòà èíäèêàòîðà
   for(bar=limit; bar>=0 && !IsStopped(); bar--)
     {
      Ind1Buffer[bar]=Ind1Buffer[bar+1];
      Ind2Buffer[bar]=Ind2Buffer[bar+1];
      Ind3Buffer[bar]=Ind3Buffer[bar+1];
      //----
      if(high[bar]<high[bar+1] && high[bar]<Ind2Buffer[bar+1])
        {
         Ind2Buffer[bar]=high[bar];
         Ind3Buffer[bar]=high[bar];
         Ind1Buffer[bar]=Ind1Buffer[bar+1];
        }
      else if(low[bar]>low[bar+1] && low[bar]>Ind2Buffer[bar+1])
        {
         Ind2Buffer[bar]=low[bar];
         Ind1Buffer[bar]=low[bar];
         Ind3Buffer[bar]=Ind3Buffer[bar+1];
        }
      else
        {
         Ind2Buffer[bar]=Ind2Buffer[bar+1];
         if(Ind2Buffer[bar+1]==Ind1Buffer[bar+1])
           {
            Ind1Buffer[bar]=Ind2Buffer[bar+1];
            Ind3Buffer[bar]=Ind3Buffer[bar+1];
           }
         else if(Ind2Buffer[bar+1]==Ind3Buffer[bar+1])
           {
            Ind3Buffer[bar]=Ind2Buffer[bar+1];
            Ind1Buffer[bar]=Ind1Buffer[bar+1];
           }
        }
     }
//----     
   return(rates_total);
  }
//+------------------------------------------------------------------+