lsma_angle_candle

//+------------------------------------------------------------------+
//|                                            LSMA_Angle_Candle.mq5 |
//|                               Copyright © 2015, Nikolay Kositsin | 
//|                              Khabarovsk,   farria@mail.redcom.ru | 
//+------------------------------------------------------------------+
#property copyright "Copyright © 2015, Nikolay Kositsin"
#property link "farria@mail.redcom.ru"
#property description "LSMA_Angle_Candle"
//---- íîìåð âåðñèè èíäèêàòîðà
#property version   "1.00"
//+----------------------------------------------+
//|  Ïàðàìåòðû îòðèñîâêè èíäèêàòîðà              |
//+----------------------------------------------+
//---- îòðèñîâêà èíäèêàòîðà â îòäåëüíîì îêíå
#property indicator_separate_window
//---- äëÿ ðàñ÷åòà è îòðèñîâêè èíäèêàòîðà èñïîëüçîâàíî ïÿòü áóôåðîâ
#property indicator_buffers 5
//---- èñïîëüçîâàíî âñåãî îäíî ãðàôè÷åñêîå ïîñòðîåíèå
#property indicator_plots   1
//---- â êà÷åñòâå èíäèêàòîðà èñïîëüçîâàíû öâåòíûå ñâå÷è
#property indicator_type1   DRAW_COLOR_CANDLES
//--- â êà÷åñòâå öâåòîâ  èñïîëüçîâàíû
#property indicator_color1 clrMagenta,clrRed,clrGray,clrDodgerBlue,clrBlue
//---- îòîáðàæåíèå ìåòêè èíäèêàòîðà
#property indicator_label1  "Open;High;Low;Close"
//+----------------------------------------------+
//|  îáúÿâëåíèå êîíñòàíò                         |
//+----------------------------------------------+
#define RESET  0 // Êîíñòàíòà äëÿ âîçâðàòà òåðìèíàëó êîìàíäû íà ïåðåñ÷¸ò èíäèêàòîðà
//+----------------------------------------------+
//|  ÂÕÎÄÍÛÅ ÏÀÐÀÌÅÒÐÛ ÈÍÄÈÊÀÒÎÐÀ                |
//+----------------------------------------------+
input uint LSMAPeriod=25;
input int  AngleTreshold=15.0; // Ïîðîã ñðàáàòûâàíèÿ
input uint StartLSMAShift=4;
input uint EndLSMAShift=0;
//+----------------------------------------------+
//---- îáúÿâëåíèå äèíàìè÷åñêèõ ìàññèâîâ, êîòîðûå áóäóò â 
// äàëüíåéøåì èñïîëüçîâàíû â êà÷åñòâå èíäèêàòîðíûõ áóôåðîâ
double ExtOpenBuffer[];
double ExtHighBuffer[];
double ExtLowBuffer[];
double ExtCloseBuffer[];
double ExtColorBuffer[];

//---- Îáúÿâëåíèå öåëûõ ïåðåìåííûõ íà÷àëà îòñ÷¸òà äàííûõ
int min_rates_total;
//---- Îáúÿâëåíèå öåëûõ ïåðåìåííûõ äëÿ õåíäëîâ èíäèêàòîðîâ
int Ind_Handle[4];
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int OnInit()
  {
//---- èíèöèàëèçàöèÿ ãëîáàëüíûõ ïåðåìåííûõ 
   min_rates_total=32;

//---- ïîëó÷åíèå õåíäëîâ èíäèêàòîðà iLSMA_Angle_
   Ind_Handle[0]=iCustom(NULL,0,"LSMA_Angle_",LSMAPeriod,AngleTreshold,StartLSMAShift,EndLSMAShift,PRICE_OPEN);
   if(Ind_Handle[0]==INVALID_HANDLE)
     {
      Print(" Íå óäàëîñü ïîëó÷èòü õåíäë èíäèêàòîðà iLSMA_Angle_["+string(0)+"]!");
      return(INIT_FAILED);
     }

   Ind_Handle[1]=iCustom(NULL,0,"LSMA_Angle_",LSMAPeriod,AngleTreshold,StartLSMAShift,EndLSMAShift,PRICE_HIGH);
   if(Ind_Handle[1]==INVALID_HANDLE)
     {
      Print(" Íå óäàëîñü ïîëó÷èòü õåíäë èíäèêàòîðà iLSMA_Angle_["+string(1)+"]!");
      return(INIT_FAILED);
     }

   Ind_Handle[2]=iCustom(NULL,0,"LSMA_Angle_",LSMAPeriod,AngleTreshold,StartLSMAShift,EndLSMAShift,PRICE_LOW);
   if(Ind_Handle[2]==INVALID_HANDLE)
     {
      Print(" Íå óäàëîñü ïîëó÷èòü õåíäë èíäèêàòîðà iLSMA_Angle_["+string(2)+"]!");
      return(INIT_FAILED);
     }

   Ind_Handle[3]=iCustom(NULL,0,"LSMA_Angle_",LSMAPeriod,AngleTreshold,StartLSMAShift,EndLSMAShift,PRICE_CLOSE);
   if(Ind_Handle[3]==INVALID_HANDLE)
     {
      Print(" Íå óäàëîñü ïîëó÷èòü õåíäë èíäèêàòîðà iLSMA_Angle_["+string(3)+"]!");
      return(INIT_FAILED);
     }

//---- ïðåâðàùåíèå äèíàìè÷åñêèõ ìàññèâîâ â èíäèêàòîðíûå áóôåðû
   SetIndexBuffer(0,ExtOpenBuffer,INDICATOR_DATA);
   SetIndexBuffer(1,ExtHighBuffer,INDICATOR_DATA);
   SetIndexBuffer(2,ExtLowBuffer,INDICATOR_DATA);
   SetIndexBuffer(3,ExtCloseBuffer,INDICATOR_DATA);

//---- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà â öâåòîâîé, èíäåêñíûé áóôåð   
   SetIndexBuffer(4,ExtColorBuffer,INDICATOR_COLOR_INDEX);

//---- èíäåêñàöèÿ ýëåìåíòîâ â áóôåðàõ êàê â òàéìñåðèÿõ
   ArraySetAsSeries(ExtOpenBuffer,true);
   ArraySetAsSeries(ExtHighBuffer,true);
   ArraySetAsSeries(ExtLowBuffer,true);
   ArraySetAsSeries(ExtCloseBuffer,true);
   ArraySetAsSeries(ExtColorBuffer,true);

//---- îñóùåñòâëåíèå ñäâèãà íà÷àëà îòñ÷åòà îòðèñîâêè èíäèêàòîðà 1
   PlotIndexSetInteger(4,PLOT_DRAW_BEGIN,min_rates_total);

//---- èìÿ äëÿ îêîí äàííûõ è ìåòêà äëÿ ñóáúîêîí 
   string short_name="LSMA_Angle_Candle";
   IndicatorSetString(INDICATOR_SHORTNAME,short_name);

//--- îïðåäåëåíèå òî÷íîñòè îòîáðàæåíèÿ çíà÷åíèé èíäèêàòîðà
   IndicatorSetInteger(INDICATOR_DIGITS,0);
//--- êîëè÷åñòâî  ãîðèçîíòàëüíûõ óðîâíåé èíäèêàòîðà 2   
   IndicatorSetInteger(INDICATOR_LEVELS,2);
//--- çíà÷åíèÿ ãîðèçîíòàëüíûõ óðîâíåé èíäèêàòîðà   
   IndicatorSetDouble(INDICATOR_LEVELVALUE,0,+AngleTreshold);
   IndicatorSetDouble(INDICATOR_LEVELVALUE,1,-AngleTreshold);
//--- â êà÷åñòâå öâåòîâ ëèíèé ãîðèçîíòàëüíûõ óðîâíåé èñïîëüçîâàíû ñåðûé è ðîçîâûé öâåòà  
   IndicatorSetInteger(INDICATOR_LEVELCOLOR,0,clrTeal);
   IndicatorSetInteger(INDICATOR_LEVELCOLOR,1,clrTeal);
//--- â ëèíèè ãîðèçîíòàëüíîãî óðîâíÿ èñïîëüçîâàí êîðîòêèé øòðèõ-ïóíêòèð  
   IndicatorSetInteger(INDICATOR_LEVELSTYLE,0,STYLE_DASHDOTDOT);
   IndicatorSetInteger(INDICATOR_LEVELSTYLE,1,STYLE_DASHDOTDOT);
//--- 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÷¸òà
   if(BarsCalculated(Ind_Handle[0])<rates_total
      || BarsCalculated(Ind_Handle[1])<rates_total
      || BarsCalculated(Ind_Handle[2])<rates_total
      || BarsCalculated(Ind_Handle[3])<rates_total
      || rates_total<min_rates_total)
      return(RESET);

//---- îáúÿâëåíèÿ ëîêàëüíûõ ïåðåìåííûõ 
   int to_copy,limit,bar;

//---- ðàñ÷¸òû íåîáõîäèìîãî êîëè÷åñòâà êîïèðóåìûõ äàííûõ è ñòàðòîâîãî íîìåðà limit äëÿ öèêëà ïåðåñ÷¸òà áàðîâ
   if(prev_calculated>rates_total || prev_calculated<=0)// ïðîâåðêà íà ïåðâûé ñòàðò ðàñ÷¸òà èíäèêàòîðà
     {
      limit=rates_total-1; // ñòàðòîâûé íîìåð äëÿ ðàñ÷¸òà âñåõ áàðîâ
     }
   else
     {
      limit=rates_total-prev_calculated; // ñòàðòîâûé íîìåð äëÿ ðàñ÷¸òà íîâûõ áàðîâ
     }

   to_copy=limit+1;

//---- êîïèðóåì âíîâü ïîÿâèâøèåñÿ äàííûå â ìàññèâû
   if(CopyBuffer(Ind_Handle[0],0,0,to_copy,ExtOpenBuffer)<=0) return(RESET);
   if(CopyBuffer(Ind_Handle[1],0,0,to_copy,ExtHighBuffer)<=0) return(RESET);
   if(CopyBuffer(Ind_Handle[2],0,0,to_copy,ExtLowBuffer)<=0) return(RESET);
   if(CopyBuffer(Ind_Handle[3],0,0,to_copy,ExtCloseBuffer)<=0) return(RESET);


//---- Îñíîâíîé öèêë èñïðàâëåíèÿ è îêðàøèâàíèÿ ñâå÷åé
   for(bar=limit; bar>=0 && !IsStopped(); bar--)
     {
      double Max=MathMax(ExtOpenBuffer[bar],ExtCloseBuffer[bar]);
      double Min=MathMin(ExtOpenBuffer[bar],ExtCloseBuffer[bar]);

      ExtHighBuffer[bar]=MathMax(Max,ExtHighBuffer[bar]);
      ExtLowBuffer[bar]=MathMin(Min,ExtLowBuffer[bar]);

      if(ExtOpenBuffer[bar]<ExtCloseBuffer[bar]) ExtColorBuffer[bar]=2.0;
      else if(ExtOpenBuffer[bar]>ExtCloseBuffer[bar]) ExtColorBuffer[bar]=0.0;
      else ExtColorBuffer[bar]=1.0;
     }
     
//--- îñíîâíîé öèêë ðàñêðàñêè èíäèêàòîðà
   for(bar=limit; bar>=0 && !IsStopped(); bar--)
     {
      int clr=2;
      if(ExtCloseBuffer[bar]>AngleTreshold)
        {
         if(ExtOpenBuffer[bar]<ExtCloseBuffer[bar]) clr=4;
         else if(ExtOpenBuffer[bar]>ExtCloseBuffer[bar]) clr=0;
        }
      if(ExtCloseBuffer[bar]<-AngleTreshold)
        {
         if(ExtOpenBuffer[bar]<ExtCloseBuffer[bar]) clr=4;
         else if(ExtOpenBuffer[bar]>ExtCloseBuffer[bar]) clr=0;
        }
      if(ExtCloseBuffer[bar]<AngleTreshold && ExtCloseBuffer[bar]>-AngleTreshold)
        {
         if(ExtOpenBuffer[bar]<ExtCloseBuffer[bar]) clr=3;
         else if(ExtOpenBuffer[bar]>ExtCloseBuffer[bar]) clr=1;
        }
      ExtColorBuffer[bar]=clr;
     }
//----     
   return(rates_total);
  }
//+------------------------------------------------------------------+