unknown
133 lines
5.0 KiB
Plaintext
133 lines
5.0 KiB
Plaintext
//+------------------------------------------------------------------+
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//| MACD.mq5 |
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//| Copyright 2009, MetaQuotes Software Corp. |
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//| http://www.mql5.com |
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//+------------------------------------------------------------------+
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#property copyright "2009, MetaQuotes Software Corp."
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#property link "http://www.mql5.com"
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#property description "Moving Average Convergence/Divergence"
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#property description "Adapted for use with TickChart by Artur Zas."
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#include <MovingAverages.mqh>
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//--- indicator settings
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#property indicator_separate_window
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#property indicator_buffers 6
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#property indicator_plots 3
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#property indicator_type1 DRAW_HISTOGRAM
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#property indicator_type2 DRAW_HISTOGRAM
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#property indicator_type3 DRAW_LINE
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#property indicator_color1 Lime
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#property indicator_color2 Red
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#property indicator_color3 Red
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#property indicator_width1 2
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#property indicator_width2 2
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#property indicator_width3 2
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#property indicator_label1 "MACD Up"
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#property indicator_label2 "MACD Down"
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#property indicator_label3 "MACD Signal"
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//--- input parameters
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input int InpFastEMA=12; // Fast EMA period
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input int InpSlowEMA=26; // Slow EMA period
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input int InpSignalSMA=9; // Signal SMA period
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//--- indicator buffers
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double ExtMacdBufferUp[];
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double ExtMacdBufferDn[];
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double ExtSignalBuffer[];
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double ExtFastMaBuffer[];
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double ExtSlowMaBuffer[];
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double ExtMacdBuffer[];
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#include <AZ-INVEST/SDK/RangeBarIndicator.mqh>
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RangeBarIndicator customChartIndicator;
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//+------------------------------------------------------------------+
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//| Custom indicator initialization function |
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//+------------------------------------------------------------------+
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void OnInit()
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{
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//--- indicator buffers mapping
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SetIndexBuffer(0,ExtMacdBufferUp,INDICATOR_DATA);
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SetIndexBuffer(1,ExtMacdBufferDn,INDICATOR_DATA);
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SetIndexBuffer(2,ExtSignalBuffer,INDICATOR_DATA);
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SetIndexBuffer(3,ExtFastMaBuffer,INDICATOR_CALCULATIONS);
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SetIndexBuffer(4,ExtSlowMaBuffer,INDICATOR_CALCULATIONS);
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SetIndexBuffer(5,ExtMacdBuffer,INDICATOR_CALCULATIONS);
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//--- sets first bar from what index will be drawn
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PlotIndexSetInteger(2,PLOT_DRAW_BEGIN,InpSignalSMA-1);
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//--- name for Dindicator subwindow label
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IndicatorSetString(INDICATOR_SHORTNAME,"MACD("+string(InpFastEMA)+","+string(InpSlowEMA)+","+string(InpSignalSMA)+")");
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//--- initialization done
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}
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//+------------------------------------------------------------------+
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//| Moving Averages Convergence/Divergence |
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//+------------------------------------------------------------------+
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int OnCalculate(const int rates_total,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 &TickVolume[],
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const long &Volume[],
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const int &Spread[])
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{
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if(!customChartIndicator.OnCalculate(rates_total,prev_calculated,Time,Close))
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return(0);
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if(!customChartIndicator.BufferSynchronizationCheck(Close))
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return(0);
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int _prev_calculated = customChartIndicator.GetPrevCalculated();
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int _rates_total = customChartIndicator.GetRatesTotal();
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//--- check for data
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if(_rates_total<InpSignalSMA)
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return(0);
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//--- we can copy not all data
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int to_copy;
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if(_prev_calculated>_rates_total || _prev_calculated<0) to_copy=_rates_total;
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else
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{
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to_copy=_rates_total-_prev_calculated;
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if(_prev_calculated>0) to_copy++;
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}
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//--- get Fast EMA buffer
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if(IsStopped()) return(0); //Checking for stop flag
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ExponentialMAOnBuffer(_rates_total,_prev_calculated,0,InpFastEMA,customChartIndicator.Close,ExtFastMaBuffer);
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//--- get SlowSMA buffer
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if(IsStopped()) return(0); //Checking for stop flag
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ExponentialMAOnBuffer(_rates_total,_prev_calculated,0,InpSlowEMA,customChartIndicator.Close,ExtSlowMaBuffer);
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//---
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int limit;
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if(_prev_calculated==0)
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limit=0;
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else limit=_prev_calculated-1;
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//--- calculate MACD
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for(int i=limit;i<_rates_total && !IsStopped();i++)
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{
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ExtMacdBuffer[i] = ExtFastMaBuffer[i]-ExtSlowMaBuffer[i];
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if(ExtMacdBuffer[i] > 0)
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{
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ExtMacdBufferUp[i] = ExtFastMaBuffer[i]-ExtSlowMaBuffer[i];
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ExtMacdBufferDn[i] = 0;
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}
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else if(ExtMacdBuffer[i] < 0)
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{
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ExtMacdBufferDn[i] = ExtFastMaBuffer[i]-ExtSlowMaBuffer[i];
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ExtMacdBufferUp[i] = 0;
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}
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}
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//--- calculate Signal
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SimpleMAOnBuffer(_rates_total,_prev_calculated,0,InpSignalSMA,ExtMacdBuffer,ExtSignalBuffer);
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//--- OnCalculate done. Return new _prev_calculated.
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return(rates_total);
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}
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//+------------------------------------------------------------------+
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