ind_amu

//+------------------------------------------------------------------+
//|                                                      ind_aMU.mq5 |
//|                             Copyright © 2012, Yuriy Tokman (YTG) |
//|                                            yuriytokman@gmail.com |
//+------------------------------------------------------------------+ 
//---- àâòîðñòâî èíäèêàòîðà
#property copyright "Copyright © 2012, Yuriy Tokman (YTG)"
//---- ññûëêà íà ñàéò àâòîðà
#property link      "yuriytokman@gmail.com"
//---- íîìåð âåðñèè èíäèêàòîðà
#property version   "1.00"
#property description "Èíäèêàòîð óêàçûâàåò íà òðåíäîâûå è áîêîâûå (ôëåò) äâèæåíèÿ öåíû"
//+----------------------------------------------+ 
//| Ïàðàìåòðû îòðèñîâêè èíäèêàòîðà               |
//+----------------------------------------------+ 
//---- îòðèñîâêà èíäèêàòîðà â ãëàâíîì îêíå
#property indicator_chart_window 
//---- äëÿ ðàñ÷åòà è îòðèñîâêè èíäèêàòîðà èñïîëüçîâàíî 2 áóôåðà
#property indicator_buffers 2
//---- èñïîëüçîâàíî âñåãî 1 ãðàôè÷åñêîå ïîñòðîåíèå
#property indicator_plots   1
//---- â êà÷åñòâå èíäèêàòîðà èñïîëüçîâàí ZIGZAG
#property indicator_type1   DRAW_ZIGZAG
//---- îòîáðàæåíèå ìåòêè èíäèêàòîðà
#property indicator_label1  "ind_aMU"
//---- â êà÷åñòâå öâåòà ëèíèè èíäèêàòîðà èñïîëüçîâàí ñèíå-ôèîëåòîâûé öâåò
#property indicator_color1 clrBlueViolet
//---- ëèíèÿ èíäèêàòîðà - äëèííûé ïóíêòèð
#property indicator_style1  STYLE_SOLID
//---- òîëùèíà ëèíèè èíäèêàòîðà ðàâíà 1
#property indicator_width1  1
//+----------------------------------------------+
//| Îáúÿâëåíèå êîíñòàíò                          |
//+----------------------------------------------+
#define RESET  0 // êîíñòàíòà äëÿ âîçâðàòà òåðìèíàëó êîìàíäû íà ïåðåñ÷åò èíäèêàòîðà
//+----------------------------------------------+ 
//| Âõîäíûå ïàðàìåòðû èíäèêàòîðà                 |
//+----------------------------------------------+ 
input uint              FastPeriod = 12;
input uint              SlowPeriod = 21;
input  ENUM_MA_METHOD       MAType = MODE_EMA;
input ENUM_APPLIED_PRICE   MAPrice = PRICE_CLOSE;
//+----------------------------------------------+
//---- îáúÿâëåíèå äèíàìè÷åñêèõ ìàññèâîâ, êîòîðûå áóäóò â 
//---- äàëüíåéøåì èñïîëüçîâàíû â êà÷åñòâå èíäèêàòîðíûõ áóôåðîâ
double SlowBuffer[];
double FastBuffer[];
//---- 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(FastPeriod,SlowPeriod));
//---- ïîëó÷åíèå õåíäëà èíäèêàòîðà Fast iMA
   SlMA_Handle=iMA(Symbol(),PERIOD_CURRENT,FastPeriod,0,MAType,MAPrice);
   if(SlMA_Handle==INVALID_HANDLE)
     {
      Print(" Íå óäàëîñü ïîëó÷èòü õåíäë èíäèêàòîðà Fast iMA");
      return(INIT_FAILED);
     }
//---- ïîëó÷åíèå õåíäëà èíäèêàòîðà Slow iMA
   FsMA_Handle=iMA(Symbol(),PERIOD_CURRENT,SlowPeriod,0,MAType,MAPrice);
   if(FsMA_Handle==INVALID_HANDLE)
     {
      Print(" Íå óäàëîñü ïîëó÷èòü õåíäë èíäèêàòîðà Slow iMA");
      return(INIT_FAILED);
     }
//---- ïðåâðàùåíèå äèíàìè÷åñêèõ ìàññèâîâ â èíäèêàòîðíûå áóôåðû
   SetIndexBuffer(0,FastBuffer,INDICATOR_DATA);
   SetIndexBuffer(1,SlowBuffer,INDICATOR_DATA);
//---- çàïðåò íà îòðèñîâêó èíäèêàòîðîì ïóñòûõ çíà÷åíèé
   PlotIndexSetDouble(0,PLOT_EMPTY_VALUE,0.0);
//---- èíäåêñàöèÿ ýëåìåíòîâ â áóôåðàõ êàê â òàéìñåðèÿõ   
   ArraySetAsSeries(FastBuffer,true);
   ArraySetAsSeries(SlowBuffer,true);
//---- óñòàíîâêà ïîçèöèè, ñ êîòîðîé íà÷èíàåòñÿ îòðèñîâêà èíäèêàòîðà
   PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,min_rates_total);
//---- óñòàíîâêà ôîðìàòà òî÷íîñòè îòîáðàæåíèÿ èíäèêàòîðà
   IndicatorSetInteger(INDICATOR_DIGITS,_Digits);
//---- èìÿ äëÿ îêîí äàííûõ è ìåòêà äëÿ ïîäîêîí 
   string shortname;
   StringConcatenate(shortname,"ind_aMU(",FastPeriod,",",SlowPeriod,")");
   IndicatorSetString(INDICATOR_SHORTNAME,shortname);
//---- çàâåðøåíèå èíèöèàëèçàöèè
   return(INIT_SUCCEEDED); 
  }
//+------------------------------------------------------------------+ 
//| 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[])
  {
//---- 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);
//---- îáúÿâëåíèÿ ëîêàëüíûõ ïåðåìåííûõ 
   int to_copy;
//---- ðàñ÷åò ñòàðòîâîãî íîìåðà limit äëÿ öèêëà ïåðåñ÷åòà áàðîâ è ñòàðòîâàÿ èíèöèàëèçàöèÿ ïåðåìåííûõ
   if(prev_calculated>rates_total || prev_calculated<=0)// ïðîâåðêà íà ïåðâûé ñòàðò ðàñ÷åòà èíäèêàòîðà
     {
      to_copy=rates_total-min_rates_total+1; // ñòàðòîâûé íîìåð äëÿ ðàñ÷åòà âñåõ áàðîâ
     }
   else
     {
      to_copy=rates_total-prev_calculated+1; // ñòàðòîâûé íîìåð äëÿ ðàñ÷åòà íîâûõ áàðîâ
     }
//---- êîïèðóåì âíîâü ïîÿâèâøèåñÿ äàííûå â ìàññèâû
   if(CopyBuffer(FsMA_Handle,0,0,to_copy,FastBuffer)<=0) return(RESET);
   if(CopyBuffer(SlMA_Handle,0,0,to_copy,SlowBuffer)<=0) return(RESET);
//----     
   return(rates_total);
  }
//+------------------------------------------------------------------+