ifxanalyser

//+------------------------------------------------------------------+
//|                                                  iFXAnalyser.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 îòäåëüíîì îêíå
#property indicator_separate_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 ñèíèé öâåò
#property indicator_color1  clrBlue
//---- ëèíèÿ èíäèêàòîðà 1 - íåïðåðûâíàÿ êðèâàÿ
#property indicator_style1  STYLE_SOLID
//---- òîëùèíà ëèíèè èíäèêàòîðà 1 ðàâíà 1
#property indicator_width1  1
//---- îòîáðàæåíèå ìåòêè èíäèêàòîðà
#property indicator_label1  "Div"
//+----------------------------------------------+
//| Ïàðàìåòðû îòðèñîâêè ëèíèè 2                  |
//+----------------------------------------------+
//---- îòðèñîâêà èíäèêàòîðà 2 â âèäå ëèíèè
#property indicator_type2   DRAW_LINE
//---- â êà÷åñòâå öâåòà ëèíèè èíäèêàòîðà èñïîëüçîâàí êðàñíûé öâåò
#property indicator_color2  clrRed
//---- ëèíèÿ èíäèêàòîðà 2 - íåïðåðûâíàÿ êðèâàÿ
#property indicator_style2  STYLE_SOLID
//---- òîëùèíà ëèíèè èíäèêàòîðà 2 ðàâíà 1
#property indicator_width2  1
//---- îòîáðàæåíèå ìåòêè èíäèêàòîðà
#property indicator_label2  "Slope"
//+----------------------------------------------+
//| Ïàðàìåòðû îòðèñîâêè ëèíèè 3                  |
//+----------------------------------------------+
//---- îòðèñîâêà èíäèêàòîðà 3 â âèäå ëèíèè
#property indicator_type3   DRAW_LINE
//---- â êà÷åñòâå öâåòà ëèíèè èíäèêàòîðà èñïîëüçîâàí çåëåíûé öâåò
#property indicator_color3  clrGreen
//---- ëèíèÿ èíäèêàòîðà 3 - íåïðåðûâíàÿ êðèâàÿ
#property indicator_style3  STYLE_SOLID
//---- òîëùèíà ëèíèè èíäèêàòîðà 3 ðàâíà 1
#property indicator_width3  1
//---- îòîáðàæåíèå ìåòêè èíäèêàòîðà
#property indicator_label3  "Acel"
//+----------------------------------------------+
//| Îáúÿâëåíèå êîíñòàíò                          |
//+----------------------------------------------+
#define RESET 0 // êîíñòàíòà äëÿ âîçâðàòà òåðìèíàëó êîìàíäû íà ïåðåñ÷åò èíäèêàòîðà
//+----------------------------------------------+
//| Âõîäíûå ïàðàìåòðû èíäèêàòîðà                 |
//+----------------------------------------------+
input uint                FastMAPeriod=4;
input  ENUM_MA_METHOD     FastMAType=MODE_SMA;
input ENUM_APPLIED_PRICE  FastMAPrice=PRICE_CLOSE;
input uint                SlowMAPeriod=6;
input  ENUM_MA_METHOD     SlowMAType=MODE_SMA;
input ENUM_APPLIED_PRICE  SlowMAPrice=PRICE_CLOSE;
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;
//---- îáúÿâëåíèå öåëî÷èñëåííûõ ïåðåìåííûõ äëÿ õåíäëîâ èíäèêàòîðîâ
int FsMA_Handle,SlMA_Handle;
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+  
int OnInit()
  {
//---- èíèöèàëèçàöèÿ ïåðåìåííûõ íà÷àëà îòñ÷åòà äàííûõ
   min_rates_total=int(MathMax(FastMAPeriod,SlowMAPeriod)+3);
//---- ïîëó÷åíèå õåíäëà èíäèêàòîðà Fast iMA
   FsMA_Handle=iMA(_Symbol,PERIOD_CURRENT,FastMAPeriod,0,FastMAType,FastMAPrice);
   if(FsMA_Handle==INVALID_HANDLE)
     {
      Print(" Íå óäàëîñü ïîëó÷èòü õåíäë èíäèêàòîðà Fast iMA");
      return(INIT_FAILED);
     }
//---- ïîëó÷åíèå õåíäëà èíäèêàòîðà Slow iMA
   SlMA_Handle=iMA(_Symbol,PERIOD_CURRENT,SlowMAPeriod,0,SlowMAType,SlowMAPrice);
   if(SlMA_Handle==INVALID_HANDLE)
     {
      Print(" Íå óäàëîñü ïîëó÷èòü õåíäë èíäèêàòîðà Slow iMA");
      return(INIT_FAILED);
     }
//---- 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,Ind2Buffer,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(Ind2Buffer,true);
//---- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà â èíäèêàòîðíûé áóôåð
   SetIndexBuffer(2,Ind3Buffer,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(Ind3Buffer,true);
//---- èíèöèàëèçàöèÿ ïåðåìåííîé äëÿ êîðîòêîãî èìåíè èíäèêàòîðà
   string shortname;
   StringConcatenate(shortname,"i-iFXAnalyser(",FastMAPeriod,",",SlowMAPeriod,")");
//--- ñîçäàíèå èìåíè äëÿ îòîáðàæåíèÿ â îòäåëüíîì ïîäîêíå è âî âñïëûâàþùåé ïîäñêàçêå
   IndicatorSetString(INDICATOR_SHORTNAME,shortname);
//--- 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(BarsCalculated(FsMA_Handle)<rates_total
      || BarsCalculated(SlMA_Handle)<rates_total
      || rates_total<min_rates_total) return(RESET);
//---- îáúÿâëåíèå ëîêàëüíûõ ïåðåìåííûõ 
   int to_copy,limit,bar;
   double FsMA[],SlMA[];
//---- 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
     }
   else
     {
      limit=rates_total-prev_calculated; // ñòàðòîâûé íîìåð äëÿ ðàñ÷åòà íîâûõ áàðîâ
     }
   to_copy=limit+3;
//---- êîïèðóåì âíîâü ïîÿâèâøèåñÿ äàííûå â ìàññèâû
   if(CopyBuffer(FsMA_Handle,0,0,to_copy,FsMA)<=0) return(RESET);
   if(CopyBuffer(SlMA_Handle,0,0,to_copy,SlMA)<=0) return(RESET);
//---- èíäåêñàöèÿ ýëåìåíòîâ â ìàññèâàõ êàê â òàéìñåðèÿõ  
   ArraySetAsSeries(FsMA,true);
   ArraySetAsSeries(SlMA,true);
//---- îñíîâíîé öèêë ðàñ÷åòà èíäèêàòîðà
   for(bar=0; bar<limit && !IsStopped(); bar++)
     {
      Ind1Buffer[bar]=FsMA[bar]-SlMA[bar];
      double diff=FsMA[bar+1]-SlMA[bar+1];
      Ind2Buffer[bar]=Ind1Buffer[bar]-diff;
      Ind3Buffer[bar]=Ind2Buffer[bar]-diff-(FsMA[bar+2]-SlMA[bar+2]);
     }
//----     
   return(rates_total);
  }
//+------------------------------------------------------------------+