ma_rounding_channel_v1

//+------------------------------------------------------------------+
//|                                          MA_Rounding_Channel.mq5 | 
//|                   Copyright © 2011, BACKSPACE + Nikolay Kositsin | 
//|                              Khabarovsk,   farria@mail.redcom.ru | 
//+------------------------------------------------------------------+
#property copyright "Copyright © 2011, BACKSPACE + Nikolay Kositsin"
#property link "farria@mail.redcom.ru"
//---- íîìåð âåðñèè èíäèêàòîðà
#property version   "1.00"
//---- îòðèñîâêà èíäèêàòîðà â ãëàâíîì îêíå
#property indicator_chart_window 
//---- êîëè÷åñòâî èíäèêàòîðíûõ áóôåðîâ 3
#property indicator_buffers 3 
//---- èñïîëüçîâàíî âñåãî òðè ãðàôè÷åñêèõ ïîñòðîåíèÿ
#property indicator_plots   3
//+----------------------------------------------+
//| Ïàðàìåòðû îòðèñîâêè èíäèêàòîðà               |
//+----------------------------------------------+
//---- îòðèñîâêà èíäèêàòîðà â âèäå ëèíèè
#property indicator_type1   DRAW_LINE
//---- â êà÷åñòâå öâåòà ëèíèè èíäèêàòîðà èñïîëüçîâàí DarkViolet öâåò
#property indicator_color1 clrDarkViolet
//---- ëèíèÿ èíäèêàòîðà - íåïðåðûâíàÿ êðèâàÿ
#property indicator_style1  STYLE_SOLID
//---- òîëùèíà ëèíèè èíäèêàòîðà ðàâíà 1
#property indicator_width1  1
//---- îòîáðàæåíèå ìåòêè èíäèêàòîðà
#property indicator_label1  "MA Rounding"
//+----------------------------------------------+
//| Ïàðàìåòðû îòðèñîâêè âåðõíåé ëèíèè            |
//+----------------------------------------------+
//---- îòðèñîâêà èíäèêàòîðà 2 â âèäå ëèíèè
#property indicator_type2   DRAW_ARROW
//---- â êà÷åñòâå öâåòà âåðõíåé ëèíèè èíäèêàòîðà èñïîëüçîâàí ãîëóáîé öâåò
#property indicator_color2  clrDodgerBlue
//---- òîëùèíà ëèíèè èíäèêàòîðà 2 ðàâíà 1
#property indicator_width2  1
//---- îòîáðàæåíèå áû÷üåé ìåòêè èíäèêàòîðà
#property indicator_label2  "Up MA Rounding"
//+----------------------------------------------+
//| Ïàðàìåòðû îòðèñîâêè íèæíåé ëèíèè             |
//+----------------------------------------------+
//---- îòðèñîâêà èíäèêàòîðà 3 â âèäå ëèíèè
#property indicator_type3   DRAW_ARROW
//---- â êà÷åñòâå öâåòà íèæíåé ëèíèè èíäèêàòîðà èñïîëüçîâàí êðàñíûé öâåò
#property indicator_color3  clrRed
//---- ëèíèÿ èíäèêàòîðà 3 - íåïðåðûâíàÿ êðèâàÿ
#property indicator_style3  STYLE_SOLID
//---- òîëùèíà ëèíèè èíäèêàòîðà 3 ðàâíà 1
#property indicator_width3 1 
//---- îòîáðàæåíèå ìåäâåæüåé ìåòêè èíäèêàòîðà
#property indicator_label3  "Down MA Rounding"
//+----------------------------------------------+
//| Îáúÿâëåíèå êîíñòàíò                          |
//+----------------------------------------------+
#define RESET 0 // êîíñòàíòà äëÿ âîçâðàòà òåðìèíàëó êîìàíäû íà ïåðåñ÷åò èíäèêàòîðà
//+----------------------------------------------+
//| Îïèñàíèå êëàññà CXMA                         |
//+----------------------------------------------+
#include <SmoothAlgorithms.mqh> 
//+----------------------------------------------+
//---- îáúÿâëåíèå ïåðåìåííûõ êëàññà CXMA èç ôàéëà SmoothAlgorithms.mqh
CXMA XMA1;
//+----------------------------------------------+
//| Îáúÿâëåíèå ïåðå÷èñëåíèé                      |
//+----------------------------------------------+
enum Applied_price_ //Òèï êîíñòàíòû
  {
   PRICE_CLOSE_ = 1,     //Close
   PRICE_OPEN_,          //Open
   PRICE_HIGH_,          //High
   PRICE_LOW_,           //Low
   PRICE_MEDIAN_,        //Median Price (HL/2)
   PRICE_TYPICAL_,       //Typical Price (HLC/3)
   PRICE_WEIGHTED_,      //Weighted Close (HLCC/4)
   PRICE_SIMPL_,         //Simplå Price (OC/2)
   PRICE_QUARTER_,       //Quarted Price (HLOC/4) 
   PRICE_TRENDFOLLOW0_,  //TrendFollow_1 Price 
   PRICE_TRENDFOLLOW1_,  //TrendFollow_2 Price 
   PRICE_DEMARK_         //Demark Price 
  };
//+----------------------------------------------+
//| Îáúÿâëåíèå ïåðå÷èñëåíèé                      |
//+----------------------------------------------+
/*enum Smooth_Method - ïåðå÷èñëåíèå îáúÿâëåíî â ôàéëå SmoothAlgorithms.mqh
  {
   MODE_SMA_,  //SMA
   MODE_EMA_,  //EMA
   MODE_SMMA_, //SMMA
   MODE_LWMA_, //LWMA
   MODE_JJMA,  //JJMA
   MODE_JurX,  //JurX
   MODE_ParMA, //ParMA
   MODE_T3,    //T3
   MODE_VIDYA, //VIDYA
   MODE_AMA,   //AMA
  }; */
//+----------------------------------------------+
//| Âõîäíûå ïàðàìåòðû èíäèêàòîðà                 |
//+----------------------------------------------+
input Smooth_Method XMA_Method=MODE_SMA; // Ìåòîä óñðåäíåíèÿ
input int XLength=12; // Ãëóáèíà ñãëàæèâàíèÿ
input int XPhase=15;  // Ïàðàìåòð ñãëàæèâàíèÿ
//--- äëÿ JJMA èçìåíÿþùèéñÿ â ïðåäåëàõ -100 ... +100, âëèÿåò íà êà÷åñòâî ïåðåõîäíîãî ïðîöåññà;
//--- äëÿ VIDIA ýòî ïåðèîä CMO, äëÿ AMA ýòî ïåðèîä ìåäëåííîé ñêîëüçÿùåé
input Applied_price_ IPC=PRICE_CLOSE; // Öåíîâàÿ êîíñòàíòà
/* , ïî êîòîðîé ïðîèçâîäèòñÿ ðàñ÷åò èíäèêàòîðà ( 1-CLOSE, 2-OPEN, 3-HIGH, 4-LOW, 
  5-MEDIAN, 6-TYPICAL, 7-WEIGHTED, 8-SIMPL, 9-QUARTER, 10-TRENDFOLLOW, 11-0.5 * TRENDFOLLOW.) */
input uint MaRound=50; // Êîýôôèöèåíò îêðóãëåíèÿ
input int    ATRPeriod=12; // Ïåðèîä ATR äëÿ øèðèíû êàíàëà
input double ATR_Factor=1.0; // Êîýôôèöèåíò äåâèàöèè êàíàëà
input bool  ChanContinuity=false; // Íåïðåðûâíîñòü êàíàëà
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 UpBuffer[];
double DnBuffer[];
double IndBuffer[];
//---- îáúÿâëåíèå ïåðåìåííîé çíà÷åíèÿ âåðòèêàëüíîãî ñäâèãà
double MaRo;
//---- îáúÿâëåíèå ïåðåìåííîé äëÿ õðàíåíèÿ õåíäëà èíäèêàòîðà
int ATR_Handle;
//---- îáúÿâëåíèå öåëî÷èñëåííûõ ïåðåìåííûõ íà÷àëà îòñ÷åòà äàííûõ
int min_rates_total;
//+------------------------------------------------------------------+   
//| XMA indicator initialization function                            | 
//+------------------------------------------------------------------+ 
void OnInit()
  {
//---- èíèöèàëèçàöèÿ ïåðåìåííûõ íà÷àëà îòñ÷åòà äàííûõ
   min_rates_total=XMA1.GetStartBars(XMA_Method,XLength,XPhase)+2;
//---- óñòàíîâêà àëåðòîâ íà íåäîïóñòèìûå çíà÷åíèÿ âíåøíèõ ïåðåìåííûõ
   XMA1.XMALengthCheck("XLength", XLength);
   XMA1.XMAPhaseCheck("XPhase", XPhase, XMA_Method);
//---- èíèöèàëèçàöèÿ ñäâèãà ïî âåðòèêàëè
   MaRo=_Point*MaRound;
//---- ïîëó÷åíèå õåíäëà èíäèêàòîðà ATR
   ATR_Handle=iATR(NULL,PERIOD_CURRENT,ATRPeriod);
   if(ATR_Handle==INVALID_HANDLE)Print(" Íå óäàëîñü ïîëó÷èòü õåíäë èíäèêàòîðà ATR");
//---- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà â èíäèêàòîðíûé áóôåð
   SetIndexBuffer(0,IndBuffer,INDICATOR_DATA);
//---- îñóùåñòâëåíèå ñäâèãà èíäèêàòîðà 1 ïî ãîðèçîíòàëè
   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,0);

//---- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà â èíäèêàòîðíûé áóôåð
   SetIndexBuffer(1,UpBuffer,INDICATOR_DATA);
//---- îñóùåñòâëåíèå ñäâèãà èíäèêàòîðà 1 ïî ãîðèçîíòàëè íà Shift
   PlotIndexSetInteger(1,PLOT_SHIFT,Shift);
//---- îñóùåñòâëåíèå ñäâèãà íà÷àëà îòñ÷åòà îòðèñîâêè èíäèêàòîðà 1 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,0);
//---- ñèìâîë äëÿ èíäèêàòîðà
   PlotIndexSetInteger(1,PLOT_ARROW,167);

//---- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà â èíäèêàòîðíûé áóôåð
   SetIndexBuffer(2,DnBuffer,INDICATOR_DATA);
//---- îñóùåñòâëåíèå ñäâèãà èíäèêàòîðà 2 ïî ãîðèçîíòàëè íà Shift
   PlotIndexSetInteger(2,PLOT_SHIFT,Shift);
//---- îñóùåñòâëåíèå ñäâèãà íà÷àëà îòñ÷åòà îòðèñîâêè èíäèêàòîðà 2 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,0);
//---- ñèìâîë äëÿ èíäèêàòîðà
   PlotIndexSetInteger(2,PLOT_ARROW,167);

//---- èíèöèàëèçàöèÿ ïåðåìåííîé äëÿ êîðîòêîãî èìåíè èíäèêàòîðà
   string shortname;
   string Smooth1=XMA1.GetString_MA_Method(XMA_Method);
   StringConcatenate(shortname,"MA Rounding(",XLength,", ",MaRound,", ",Smooth1,")");
//--- 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+1);
//---- çàâåðøåíèå èíèöèàëèçàöèè
  }
//+------------------------------------------------------------------+ 
//| XMA 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(BarsCalculated(ATR_Handle)<rates_total || rates_total<min_rates_total) return(RESET);
//---- îáúÿâëåíèå ïåðåìåííûõ ñ ïëàâàþùåé òî÷êîé  
   double price_,MovAve0,MovAle0,res0,res1,Range[],range0;
//---- îáúÿâëåíèå öåëî÷èñëåííûõ ïåðåìåííûõ
   int to_copy,first,bar;
//---- îáúÿâëåíèå ñòàòè÷åñêèõ ïåðåìåííûõ  
   static double MovAle1,MovAve1,range1;
//---- 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
     {
      first=2; // ñòàðòîâûé íîìåð äëÿ ðàñ÷åòà âñåõ áàðîâ
      MovAve1=PriceSeries(IPC,first,open,low,high,close);
      MovAle1=0;
      range1=0;
     }
   else first=prev_calculated-1; // ñòàðòîâûé íîìåð äëÿ ðàñ÷åòà íîâûõ áàðîâ
//---- âîññòàíàâëèâàåì çíà÷åíèÿ ïåðåìåííûõ
   range0=range1;
//----
   to_copy=rates_total-first;
//---- êîïèðóåì âíîâü ïîÿâèâøèåñÿ äàííûå â ìàññèâ Range[]
   if(CopyBuffer(ATR_Handle,0,0,to_copy,Range)<=0) return(RESET);
//---- èíäåêñàöèÿ ýëåìåíòîâ â ìàññèâàõ êàê â òàéìñåðèÿõ  
   ArraySetAsSeries(Range,true);
//---- îñíîâíîé öèêë ðàñ÷åòà èíäèêàòîðà
   for(bar=first; bar<rates_total && !IsStopped(); bar++)
     {
      //---- âûçîâ ôóíêöèè PriceSeries äëÿ ïîëó÷åíèÿ âõîäíîé öåíû price_
      price_=PriceSeries(IPC,bar,open,low,high,close);
      //----
      MovAve0=XMA1.XMASeries(2,prev_calculated,rates_total,XMA_Method,XPhase,XLength,price_,bar,false);
      //----
      res1=IndBuffer[bar-1];
      //----
      if(MovAve0>MovAve1+MaRo
         || MovAve0<MovAve1-MaRo
         || MovAve0>res1+MaRo
         || MovAve0<res1-MaRo
         || (MovAve0>res1 && MovAle1==+1)
         || (MovAve0<res1 && MovAle1==-1))
         IndBuffer[bar]=MovAve0;
      else IndBuffer[bar]=res1;
      //----
      MovAle0=0;
      res0=IndBuffer[bar];
      if(res0<res1) MovAle0 =-1;
      if(res0>res1) MovAle0 =+1;
      if(res0==res1) MovAle0=MovAle1;
      //---- îáíóëèì ñîäåðæèìîå èíäèêàòîðíûõ áóôåðîâ
      UpBuffer[bar]=0.0;
      DnBuffer[bar]=0.0;
      //---- ïîñòðîèì êàíàë
      if(res0==res1)
        {
         if(res1!=IndBuffer[bar-2]) range0=Range[rates_total-bar-1]*ATR_Factor;
         else range0=range1;

         UpBuffer[bar]=res0+range0;
         DnBuffer[bar]=res0-range0;
        }
      else if(ChanContinuity)
        {
         UpBuffer[bar]=UpBuffer[bar-1];
         DnBuffer[bar]=DnBuffer[bar-1];
        }
      //--- ïåðåñ÷åò ïîçèöèé â êîëüöåâûõ áóôåðàõ  
      if(bar<rates_total-1)
        {
         MovAle1=MovAle0;
         MovAve1=MovAve0;
         range1=range0;
        }
     }
//----     
   return(rates_total);
  }
//+------------------------------------------------------------------+