CCI_Dots

ÿþ//+------------------------------------------------------------------+

//|                                                     CCI_Dots.mq5 |

//|                        Copyright 2018, MetaQuotes Software Corp. |

//|                                                 https://mql5.com |

//+------------------------------------------------------------------+

#property copyright "Copyright 2018, MetaQuotes Software Corp."

#property link      "https://mql5.com"

#property version   "1.00"

#property indicator_chart_window

#property indicator_buffers 5

#property indicator_plots   2

//--- plot UP

#property indicator_label1  "UP"

#property indicator_type1   DRAW_ARROW

#property indicator_color1  clrRed

#property indicator_style1  STYLE_SOLID

#property indicator_width1  1

//--- plot DN

#property indicator_label2  "DN"

#property indicator_type2   DRAW_ARROW

#property indicator_color2  clrBlue

#property indicator_style2  STYLE_SOLID

#property indicator_width2  1

//--- input parameters

input uint                 InpPeriodCCI      =  14;            // CCI period

input ENUM_APPLIED_PRICE   InpAppliedPrice   =  PRICE_CLOSE;   // CCI applied price

input uint                 InpPeriodMA       =  10;            // MA period

//--- indicator buffers

double         BufferUP[];

double         BufferDN[];

double         BufferCCI[];

double         BufferMAH[];

double         BufferMAL[];

//--- global variables

int            period_cci;

int            period_ma;

int            handle_cci;

int            handle_mah;

int            handle_mal;

//+------------------------------------------------------------------+

//| Custom indicator initialization function                         |

//+------------------------------------------------------------------+

int OnInit()

  {

//--- set global variables

   period_cci=int(InpPeriodCCI<1 ? 1 : InpPeriodCCI);

   period_ma=int(InpPeriodMA<1 ? 1 : InpPeriodMA);

//--- indicator buffers mapping

   SetIndexBuffer(0,BufferUP,INDICATOR_DATA);

   SetIndexBuffer(1,BufferDN,INDICATOR_DATA);

   SetIndexBuffer(2,BufferCCI,INDICATOR_CALCULATIONS);

   SetIndexBuffer(3,BufferMAH,INDICATOR_CALCULATIONS);

   SetIndexBuffer(4,BufferMAL,INDICATOR_CALCULATIONS);

//--- setting a code from the Wingdings charset as the property of PLOT_ARROW

   PlotIndexSetInteger(0,PLOT_ARROW,119);

   PlotIndexSetInteger(1,PLOT_ARROW,119);

//--- setting indicator parameters

   IndicatorSetString(INDICATOR_SHORTNAME,"CCI dots("+(string)period_cci+")");

   IndicatorSetInteger(INDICATOR_DIGITS,Digits());

//--- setting buffer arrays as timeseries

   ArraySetAsSeries(BufferUP,true);

   ArraySetAsSeries(BufferDN,true);

   ArraySetAsSeries(BufferCCI,true);

   ArraySetAsSeries(BufferMAH,true);

   ArraySetAsSeries(BufferMAL,true);

//--- create handle CCI

   ResetLastError();

   handle_cci=iCCI(NULL,PERIOD_CURRENT,period_cci,InpAppliedPrice);

   if(handle_cci==INVALID_HANDLE)

     {

      Print("The iCCI(",(string)period_cci,") object was not created: Error ",GetLastError());

      return INIT_FAILED;

     }

   ResetLastError();

   handle_mah=iMA(NULL,PERIOD_CURRENT,period_ma,0,MODE_SMA,PRICE_HIGH);

   if(handle_mah==INVALID_HANDLE)

     {

      Print("The iMA(",(string)period_ma,") by PRICE_HIGH object was not created: Error ",GetLastError());

      return INIT_FAILED;

     }

   ResetLastError();

   handle_mal=iMA(NULL,PERIOD_CURRENT,period_ma,0,MODE_SMA,PRICE_LOW);

   if(handle_mal==INVALID_HANDLE)

     {

      Print("The iMA(",(string)period_ma,") by PRICE_LOW object was not created: Error ",GetLastError());

      return INIT_FAILED;

     }

//---

   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[])

  {

//--- @>25@:0 =0 <8=8<0;L=>5 :>;85AB2> 10@>2 4;O @0AGQB0

   int max=fmax(period_cci,period_ma);

   if(rates_total<max) return 0;

//--- #AB0=>2:0 <0AA82>2 1CD5@>2 :0: B09<A5@89

   ArraySetAsSeries(high,true);

   ArraySetAsSeries(low,true);

//--- @>25@:0 8 @0AGQB :>;8G5AB20 ?@>AG8BK205<KE 10@>2

   int limit=rates_total-prev_calculated;

   if(limit>1)

     {

      limit=rates_total-2;

      ArrayInitialize(BufferUP,EMPTY_VALUE);

      ArrayInitialize(BufferDN,EMPTY_VALUE);

      ArrayInitialize(BufferCCI,EMPTY_VALUE);

      ArrayInitialize(BufferMAH,EMPTY_VALUE);

      ArrayInitialize(BufferMAL,EMPTY_VALUE);

     }

//--- >43>B>2:0 40==KE

   int count=(limit>1 ? rates_total : 1),copied=0;

   copied=CopyBuffer(handle_cci,0,0,count,BufferCCI);

   if(copied!=count) return 0;

   copied=CopyBuffer(handle_mah,0,0,count,BufferMAH);

   if(copied!=count) return 0;

   copied=CopyBuffer(handle_mal,0,0,count,BufferMAL);

   if(copied!=count) return 0;

//---  0AGQB 8=48:0B>@0

   for(int i=limit; i>=0 && !IsStopped(); i--)

     {

      double range=(BufferMAH[i]-BufferMAL[i])/2;

      double cci0=BufferCCI[i];

      double cci1=BufferCCI[i+1];

      if(cci1>=0 && cci0<0)

        {

         BufferUP[i]=high[i]+range;

         BufferDN[i]=EMPTY_VALUE;

        }

      else if(cci1<=0 && cci0>0)

        {

         BufferUP[i]=EMPTY_VALUE;

         BufferDN[i]=low[i]-range;

        }

      else

        {

         BufferUP[i]=EMPTY_VALUE;

         BufferDN[i]=EMPTY_VALUE;

        }

     }



//--- return value of prev_calculated for next call

   return(rates_total);

  }

//+------------------------------------------------------------------+