trendlessag

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//|                                                  TrendlessAG.mq5 |
//|                                       Copyright © 2012, Barmaley | 
//|                                                                  | 
//+------------------------------------------------------------------+
//--- àâòîðñòâî èíäèêàòîðà
#property copyright "Copyright © 2012, Barmaley"
//--- ññûëêà íà ñàéò àâòîðà
#property link ""
#property description "Îñöèëëÿòîð Áåñòðåíäîâîñòè íàïèñàí â ñîîòâåòñòâèè ñ îïèñàíèåì,"
#property description "ïðèâåäåííûì â êíèãå Äæî ÄèÍàïîëè \"Òîðãîâëÿ ñ ïðèìåíåíèåì óðîâíåé ÄèÍàïîëè\""
//--- íîìåð âåðñèè èíäèêàòîðà
#property version   "1.01"
//--- îòðèñîâêà èíäèêàòîðà â îòäåëüíîì îêíå
#property indicator_separate_window
//--- äëÿ ðàñ÷åòà è îòðèñîâêè èíäèêàòîðà èñïîëüçîâàíî äâà áóôåðà
#property indicator_buffers 1
//--- èñïîëüçîâàíî äâà ãðàôè÷åñêèõ ïîñòðîåíèÿ
#property indicator_plots   1
//+----------------------------------------------+
//| Ïàðàìåòðû îòðèñîâêè èíäèêàòîðà               |
//+----------------------------------------------+
//--- îòðèñîâêà èíäèêàòîðà 1 â âèäå ëèíèè
#property indicator_type1   DRAW_LINE
//--- â êà÷åñòâå öâåòà áû÷åé ëèíèè èíäèêàòîðà èñïîëüçîâàí êðàñíûé öâåò
#property indicator_color1  clrRed
//--- ëèíèÿ èíäèêàòîðà 1 - íåïðåðûâíàÿ êðèâàÿ
#property indicator_style1  STYLE_SOLID
//--- òîëùèíà ëèíèè èíäèêàòîðà 1 ðàâíà 1
#property indicator_width1  1
//--- îòîáðàæåíèå áû÷åé ìåòêè èíäèêàòîðà
#property indicator_label1  "TrendlessAG"
//+----------------------------------------------+
//| Ïàðàìåòðû îòîáðàæåíèÿ ãîðèçîíòàëüíûõ óðîâíåé |
//+----------------------------------------------+
#property indicator_level1 +100
#property indicator_level2 +80
#property indicator_level3 +60
#property indicator_level4  0
#property indicator_level5 -60
#property indicator_level6 -80
#property indicator_level7 -100
#property indicator_levelcolor clrBlue
#property indicator_levelstyle STYLE_DASHDOTDOT
//+----------------------------------------------+
//| Îáúÿâëåíèå êîíñòàíò                          |
//+----------------------------------------------+
#define RESET  0 // Êîíñòàíòà äëÿ âîçâðàòà òåðìèíàëó êîìàíäû íà ïåðåñ÷åò èíäèêàòîðà
//+----------------------------------------------+
//| Âõîäíûå ïàðàìåòðû èíäèêàòîðà                 |
//+----------------------------------------------+
input uint MAPeriod=7;                          // Ïåðèîä ñêîëüçÿùåé ñðåäíåé â ôîðìóëå îñöèëëÿòîðà
input  ENUM_MA_METHOD   MAType=MODE_EMA;        // Ìåòîä óñðåäíåíèÿ ñêîëüçÿùåé ñðåäíåé â ôîðìóëå îñöèëëÿòîðà
input ENUM_APPLIED_PRICE   MAPrice=PRICE_CLOSE; // Âõîäíàÿ öåíà ñêîëüçÿùåé ñðåäíåé â ôîðìóëå îñöèëëÿòîðà
input uint PointsCount=600;                     // Êîëè÷åñòâî òî÷åê äëÿ ðàñ÷åòà èíäèêàòîðà. Ôîðåêñ-êëóá ðåêîìåíäóåò ìåñÿö äëÿ ÷àñîâèêîâ
input uint In100=90;                            // Ñêîëüêî % òî÷åê èíäèêàòîðà äîëæíû âõîäèòü â èíòåðâàë +-100%
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 IndBuffer[];
//--- îáúÿâëåíèå ãëîáàëüíûõ ïåðåìåííûõ
int Count[],Start;
double Value[],Sort[];
//--- îáúÿâëåíèå öåëî÷èñëåííûõ ïåðåìåííûõ íà÷àëà îòñ÷åòà äàííûõ
int min_rates_total;
//--- îáúÿâëåíèå öåëî÷èñëåííûõ ïåðåìåííûõ äëÿ õåíäëîâ èíäèêàòîðîâ
int MA_Handle;
//+------------------------------------------------------------------+
//|  Ïåðåñ÷åò ïîçèöèè ñàìîãî íîâîãî ýëåìåíòà â ìàññèâå               |
//+------------------------------------------------------------------+   
void Recount_ArrayZeroPos(int &CoArr[],// Âîçâðàò ïî ññûëêå íîìåðà òåêóùåãî çíà÷åíèÿ öåíîâîãî ðÿäà
                          int Size)
  {
//---
   int numb,Max1,Max2;
   static int count=1;

   Max2=Size;
   Max1=Max2-1;

   count--;
   if(count<0) count=Max1;

   for(int iii=0; iii<Max2; iii++)
     {
      numb=iii+count;
      if(numb>Max1) numb-=Max2;
      CoArr[iii]=numb;
     }
//---
  }
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+  
int OnInit()
  {
//--- èíèöèàëèçàöèÿ ïåðåìåííûõ íà÷àëà îòñ÷åòà äàííûõ
   min_rates_total=int(PointsCount+MAPeriod);
   Start=int(PointsCount*In100/100);
//--- ïîëó÷åíèå õåíäëà èíäèêàòîðà iMA
   MA_Handle=iMA(NULL,0,MAPeriod,0,MAType,MAPrice);
   if(MA_Handle==INVALID_HANDLE)
     {
      Print(" Íå óäàëîñü ïîëó÷èòü õåíäë èíäèêàòîðà iMA");
      return(INIT_FAILED);
     }
//--- ðàñïðåäåëåíèå ïàìÿòè ïîä ìàññèâû ïåðåìåííûõ  
   ArrayResize(Count,PointsCount);
   ArrayResize(Value,PointsCount);
   ArrayResize(Sort,PointsCount);
//---
   ArrayInitialize(Count,0);
   ArrayInitialize(Value,0.0);   
//--- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà PVIBuffer â èíäèêàòîðíûé áóôåð
   SetIndexBuffer(0,IndBuffer,INDICATOR_DATA);
//--- îñóùåñòâëåíèå ñäâèãà èíäèêàòîðà ïî ãîðèçîíòàëè íà Shift
   PlotIndexSetInteger(0,PLOT_SHIFT,Shift);
//--- îñóùåñòâëåíèå ñäâèãà íà÷àëà îòñ÷åòà îòðèñîâêè èíäèêàòîðà
   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(IndBuffer,true);
//--- ñîçäàíèå èìåíè äëÿ îòîáðàæåíèÿ â îòäåëüíîì ïîäîêíå è âî âñïëûâàþùåé ïîäñêàçêå
   IndicatorSetString(INDICATOR_SHORTNAME,"TrendlessAG");
//--- îïðåäåëåíèå òî÷íîñòè îòîáðàæåíèÿ çíà÷åíèé èíäèêàòîðà
   IndicatorSetInteger(INDICATOR_DIGITS,0);
//--- 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(MA_Handle)<rates_total || rates_total<min_rates_total) return(RESET);
//--- îáúÿâëåíèå ëîêàëüíûõ ïåðåìåííûõ
   int to_copy,limit,bar;
   double Ma[];
//--- ðàñ÷åò ñòàðòîâîãî íîìåðà first äëÿ öèêëà ïåðåñ÷åòà áàðîâ
   if(prev_calculated>rates_total || prev_calculated<=0)// ïðîâåðêà íà ïåðâûé ñòàðò ðàñ÷åòà èíäèêàòîðà
      limit=int(rates_total-MAPeriod-1);   // ðàñ÷åòíîå êîëè÷åñòâî âñåõ áàðîâ
   else limit=rates_total-prev_calculated; // ñòàðòîâûé íîìåð äëÿ ðàñ÷åòà íîâûõ áàðîâ
//--- èíäåêñàöèÿ ýëåìåíòîâ â ìàññèâàõ êàê â òàéìñåðèÿõ  
   ArraySetAsSeries(Ma,true);
   ArraySetAsSeries(close,true);
   to_copy=limit+1;
//--- êîïèðóåì âíîâü ïîÿâèâøèåñÿ äàííûå â ìàññèâû
   if(CopyBuffer(MA_Handle,0,0,to_copy,Ma)<=0) return(RESET);
//--- îñíîâíîé öèêë ðàñ÷åòà èíäèêàòîðà
   for(bar=limit; bar>=0 && !IsStopped(); bar--)
     {     
      double Res=close[bar]-Ma[bar];
      Value[Count[0]]=MathAbs(Res);     
      if(bar>0) Recount_ArrayZeroPos(Count,PointsCount);      
      if(bar>rates_total-min_rates_total-1) continue;      
      ArrayCopy(Sort,Value,0,0,WHOLE_ARRAY);
      ArraySort(Sort);      
      double level_100=Sort[Start];
      if(level_100) Res*=100/(level_100);
      else Res=EMPTY_VALUE;   
      IndBuffer[bar]=Res;
     }
//---     
   return(rates_total);
  }
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