forked from LengKundee/NUNA
260 lines
24 KiB
MQL5
260 lines
24 KiB
MQL5
//+------------------------------------------------------------------+
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//| MA on DeMarker Arrow.mq5 |
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//| Copyright © 2022, Vladimir Karputov |
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//| https://www.mql5.com/en/users/barabashkakvn |
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//+------------------------------------------------------------------+
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#property copyright "Copyright © 2022, Vladimir Karputov"
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#property link "https://www.mql5.com/en/users/barabashkakvn"
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#property version "1.002"
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#property indicator_separate_window
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#property indicator_buffers 4
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#property indicator_plots 4
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//--- plot DeM
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#property indicator_label1 "DeM"
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#property indicator_type1 DRAW_LINE
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#property indicator_color1 clrLightSeaGreen
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#property indicator_style1 STYLE_SOLID
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#property indicator_width1 2
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//--- plot MA on DeM
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#property indicator_label2 "MA on DeM"
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#property indicator_type2 DRAW_LINE
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#property indicator_color2 clrYellowGreen
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#property indicator_style2 STYLE_SOLID
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#property indicator_width2 2
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//--- plot Up
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#property indicator_label3 "Up"
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#property indicator_type3 DRAW_ARROW
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#property indicator_color3 clrDodgerBlue
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#property indicator_style3 STYLE_SOLID
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#property indicator_width3 1
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//--- plot Down
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#property indicator_label4 "Down"
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#property indicator_type4 DRAW_ARROW
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#property indicator_color4 clrTomato
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#property indicator_style4 STYLE_SOLID
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#property indicator_width4 1
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//--- input parameters
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input group "DeMarker"
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input int Inp_DeM_ma_period = 14; // DeM: averaging period
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input double Inp_DeM_LevelUP = 0.7; // DeM: Level UP
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input double Inp_DeM_LevelDOWN = 0.3; // DeM: Level DOWN
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input group "MA"
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input int Inp_MA_ma_period = 6; // MA: averaging period
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input ENUM_MA_METHOD Inp_MA_ma_method = MODE_EMA; // MA: smoothing type
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input group "Arrows"
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input uchar InpUpArrowCode = 71; // Arrow 'Up': code (font Wingdings)
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input int InpUpArrowShift = 10; // Arrow 'Up': vertical shift in pixel
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input uchar InpDownArrowCode = 72; // Arrow 'Down': code (font Wingdings)
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input int InpDownArrowShift = 10; // Arrow 'Down': vertical shift in pixel
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//--- indicator buffers
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double DeMBuffer[];
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double MAonDeMBuffer[];
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double UpBuffer[];
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double DownBuffer[];
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//---
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int handle_iDeMarker; // variable for storing the handle of the iDeMarker indicator
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int handle_iMA; // variable for storing the handle of the iMA indicator
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int bars_calculated = 0; // we will keep the number of values in the DeMarker and MA indicators
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bool m_init_error = false; // error on InInit
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//+------------------------------------------------------------------+
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//| Custom indicator initialization function |
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//+------------------------------------------------------------------+
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int OnInit()
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{
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//--- indicator buffers mapping
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SetIndexBuffer(0,DeMBuffer,INDICATOR_DATA);
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SetIndexBuffer(1,MAonDeMBuffer,INDICATOR_DATA);
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SetIndexBuffer(2,UpBuffer,INDICATOR_DATA);
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SetIndexBuffer(3,DownBuffer,INDICATOR_DATA);
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//--- set levels
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IndicatorSetInteger(INDICATOR_LEVELS,2);
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IndicatorSetDouble(INDICATOR_LEVELVALUE,0,Inp_DeM_LevelUP);
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IndicatorSetDouble(INDICATOR_LEVELVALUE,1,Inp_DeM_LevelDOWN);
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//--- setting a code from the Wingdings charset as the property of PLOT_ARROW
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PlotIndexSetInteger(2,PLOT_ARROW,InpUpArrowCode);
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PlotIndexSetInteger(3,PLOT_ARROW,InpDownArrowCode);
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//--- set the vertical shift of arrows in pixels
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PlotIndexSetInteger(2,PLOT_ARROW_SHIFT,InpUpArrowShift);
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PlotIndexSetInteger(3,PLOT_ARROW_SHIFT,-InpDownArrowShift);
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//--- an empty value for plotting, for which there is no drawing
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PlotIndexSetDouble(2,PLOT_EMPTY_VALUE,0.0);
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PlotIndexSetDouble(3,PLOT_EMPTY_VALUE,0.0);
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//--- set labels for the line
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PlotIndexSetString(0,PLOT_LABEL,"DeM"+"("+IntegerToString(Inp_DeM_ma_period)+")");
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PlotIndexSetString(1,PLOT_LABEL,"MA"+"("+IntegerToString(Inp_MA_ma_period)+")"+" on DeM"+"("+IntegerToString(Inp_DeM_ma_period)+")");
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//--- number of digits of indicator value
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IndicatorSetInteger(INDICATOR_DIGITS,3);
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//--- create handle of the indicator iDeMarker
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handle_iDeMarker=iDeMarker(Symbol(),Period(),Inp_DeM_ma_period);
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//--- if the handle is not created
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if(handle_iDeMarker==INVALID_HANDLE)
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{
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//--- tell about the failure and output the error code
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PrintFormat("Failed to create handle of the iDeMarker indicator for the symbol %s/%s, error code %d",
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Symbol(),
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EnumToString(Period()),
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GetLastError());
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//--- the indicator is stopped early
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m_init_error=true;
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return(INIT_SUCCEEDED);
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}
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//--- create handle of the indicator iMA
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handle_iMA=iMA(Symbol(),Period(),Inp_MA_ma_period,0,
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Inp_MA_ma_method,handle_iDeMarker);
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//--- if the handle is not created
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if(handle_iMA==INVALID_HANDLE)
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{
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//--- tell about the failure and output the error code
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PrintFormat("Failed to create handle of the iMA indicator for the symbol %s/%s, error code %d",
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Symbol(),
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EnumToString(Period()),
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GetLastError());
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//--- the indicator is stopped early
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m_init_error=true;
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return(INIT_SUCCEEDED);
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}
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//---
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return(INIT_SUCCEEDED);
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}
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//+------------------------------------------------------------------+
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//| Custom indicator iteration function |
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//+------------------------------------------------------------------+
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int OnCalculate(const int rates_total,
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const int prev_calculated,
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const datetime &time[],
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const double &open[],
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const double &high[],
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const double &low[],
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const double &close[],
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const long &tick_volume[],
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const long &volume[],
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const int &spread[])
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{
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if(m_init_error)
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return(0);
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//--- number of values copied from the iMA indicator
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int values_to_copy;
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//--- determine the number of values calculated in the indicator
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int calculated_dem=BarsCalculated(handle_iDeMarker);
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if(calculated_dem<=0)
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{
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PrintFormat("BarsCalculated(DeMarker) returned %d, error code %d",calculated_dem,GetLastError());
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return(0);
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}
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//--- determine the number of values calculated in the indicator
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int calculated_ma=BarsCalculated(handle_iMA);
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if(calculated_ma<=0)
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{
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PrintFormat("BarsCalculated(MA) returned %d, error code %d",calculated_ma,GetLastError());
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return(0);
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}
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if(calculated_dem!=calculated_ma)
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{
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PrintFormat("BarsCalculated(DeMarker) returned %d, BarsCalculated(MA) returned %d",calculated_dem,calculated_ma);
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return(0);
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}
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int calculated=calculated_dem;
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//--- if it is the first start of calculation of the indicator or if the number of values in the indicator changed
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//--- or if it is necessary to calculated the indicator for two or more bars (it means something has changed in the price history)
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if(prev_calculated==0 || calculated!=bars_calculated || rates_total>prev_calculated+1)
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{
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//--- if the iMABuffer array is greater than the number of values in the iMA indicator for symbol/period, then we don't copy everything
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//--- otherwise, we copy less than the size of indicator buffers
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if(calculated>rates_total)
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values_to_copy=rates_total;
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else
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values_to_copy=calculated;
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}
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else
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{
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//--- it means that it's not the first time of the indicator calculation, and since the last call of OnCalculate()
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//--- for calculation not more than one bar is added
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values_to_copy=(rates_total-prev_calculated)+1;
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}
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//--- fill the MAonDeMBuffer array with values of the Moving Average indicator
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//--- if FillArrayFromBuffer returns false, it means the information is nor ready yet, quit operation
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if(!FillArrayFromBufferMA(MAonDeMBuffer,0,handle_iMA,values_to_copy))
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return(0);
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//--- fill the DeMBuffer array with values of the Commodity Channel Index indicator
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//--- if FillArrayFromBuffer returns false, it means the information is nor ready yet, quit operation
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if(!FillArrayFromBufferDeMarker(DeMBuffer,handle_iDeMarker,values_to_copy))
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return(0);
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//--- memorize the number of values in the Moving Average indicator
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bars_calculated=calculated;
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//--- Arrow
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if(rates_total<3)
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return(0);
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int limit=prev_calculated-1;
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if(prev_calculated==0)
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{
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UpBuffer[0]=0.0;
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DownBuffer[0]=0.0;
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limit=1;
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}
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for(int i=limit; i<rates_total; i++)
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{
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UpBuffer[i]=0.0;
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DownBuffer[i]=0.0;
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if(DeMBuffer[i-1]<MAonDeMBuffer[i-1] && DeMBuffer[i]>MAonDeMBuffer[i] && DeMBuffer[i-1]<Inp_DeM_LevelDOWN)
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UpBuffer[i]=MAonDeMBuffer[i];
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else
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if(DeMBuffer[i-1]>MAonDeMBuffer[i-1] && DeMBuffer[i]<MAonDeMBuffer[i] && DeMBuffer[i-1]>Inp_DeM_LevelUP)
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DownBuffer[i]=MAonDeMBuffer[i];
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}
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//--- return the prev_calculated value for the next call
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return(rates_total);
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}
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//+------------------------------------------------------------------+
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//| Filling indicator buffers from the MA indicator |
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//+------------------------------------------------------------------+
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bool FillArrayFromBufferMA(double &values[], // indicator buffer of Moving Average values
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int shift, // shift
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int ind_handle, // handle of the iMA indicator
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int amount // number of copied values
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)
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{
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//--- reset error code
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ResetLastError();
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//--- fill a part of the iMABuffer array with values from the indicator buffer that has 0 index
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if(CopyBuffer(ind_handle,0,-shift,amount,values)<0)
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{
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//--- if the copying fails, tell the error code
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PrintFormat("Failed to copy data from the iMA indicator, error code %d",GetLastError());
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//--- quit with zero result - it means that the indicator is considered as not calculated
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return(false);
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}
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//--- everything is fine
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return(true);
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}
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//+------------------------------------------------------------------+
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//| Filling indicator buffers from the iDeMarker indicator |
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//+------------------------------------------------------------------+
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bool FillArrayFromBufferDeMarker(double &values[], // indicator buffer of DeMarker values
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int ind_handle, // handle of the iDeMarker indicator
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int amount // number of copied values
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)
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{
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//--- reset error code
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ResetLastError();
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//--- fill a part of the iCCIBuffer array with values from the indicator buffer that has 0 index
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if(CopyBuffer(ind_handle,0,0,amount,values)<0)
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{
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//--- if the copying fails, tell the error code
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PrintFormat("Failed to copy data from the iDeMarker indicator, error code %d",GetLastError());
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//--- quit with zero result - it means that the indicator is considered as not calculated
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return(false);
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}
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//--- everything is fine
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return(true);
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}
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//+------------------------------------------------------------------+
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//| Indicator deinitialization function |
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//+------------------------------------------------------------------+
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void OnDeinit(const int reason)
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{
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if(handle_iDeMarker!=INVALID_HANDLE)
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IndicatorRelease(handle_iDeMarker);
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if(handle_iMA!=INVALID_HANDLE)
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IndicatorRelease(handle_iMA);
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}
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//+------------------------------------------------------------------+
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