127 lines
4.4 KiB
MQL5
127 lines
4.4 KiB
MQL5
//+------------------------------------------------------------------+
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//| Awesome_Oscillator.mq5 |
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//| Copyright 2000-2025, MetaQuotes Ltd. |
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//| https://www.mql5.com |
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//+------------------------------------------------------------------+
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#property copyright "Copyright 2000-2025, MetaQuotes Ltd."
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#property link "https://www.mql5.com"
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//--- indicator settings
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#property indicator_separate_window
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#property indicator_buffers 4
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#property indicator_plots 1
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#property indicator_type1 DRAW_COLOR_HISTOGRAM
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#property indicator_color1 clrGreen,clrRed
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#property indicator_width1 1
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#property indicator_label1 "AO"
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//--- indicator buffers
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double ExtAOBuffer[];
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double ExtColorBuffer[];
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double ExtFastBuffer[];
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double ExtSlowBuffer[];
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//--- handles for MAs
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int ExtFastSMAHandle;
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int ExtSlowSMAHandle;
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#define DATA_LIMIT 33
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#define FAST_PERIOD 5
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#define SLOW_PERIOD 34
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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,ExtAOBuffer,INDICATOR_DATA);
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SetIndexBuffer(1,ExtColorBuffer,INDICATOR_COLOR_INDEX);
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SetIndexBuffer(2,ExtFastBuffer,INDICATOR_CALCULATIONS);
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SetIndexBuffer(3,ExtSlowBuffer,INDICATOR_CALCULATIONS);
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//--- set accuracy
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IndicatorSetInteger(INDICATOR_DIGITS,_Digits+1);
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//--- sets first bar from what index will be drawn
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PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,33);
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//--- name for DataWindow
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IndicatorSetString(INDICATOR_SHORTNAME,"AO");
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//--- get handles
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ExtFastSMAHandle=iMA(NULL,0,FAST_PERIOD,0,MODE_SMA,PRICE_MEDIAN);
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ExtSlowSMAHandle=iMA(NULL,0,SLOW_PERIOD,0,MODE_SMA,PRICE_MEDIAN);
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}
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//+------------------------------------------------------------------+
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//| Awesome Oscillator |
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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(rates_total<=DATA_LIMIT)
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return(0);
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//--- not all data may be calculated
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int calculated=BarsCalculated(ExtFastSMAHandle);
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if(calculated<rates_total)
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{
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Print("Not all data of ExtFastSMAHandle is calculated (",calculated," bars). Error ",GetLastError());
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return(0);
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}
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calculated=BarsCalculated(ExtSlowSMAHandle);
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if(calculated<rates_total)
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{
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Print("Not all data of ExtSlowSMAHandle is calculated (",calculated," bars). Error ",GetLastError());
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return(0);
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}
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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)
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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)
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to_copy++;
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}
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//--- get FastSMA buffer
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if(IsStopped()) // checking for stop flag
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return(0);
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if(CopyBuffer(ExtFastSMAHandle,0,0,to_copy,ExtFastBuffer)<=0)
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{
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Print("Getting fast SMA is failed! Error ",GetLastError());
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return(0);
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}
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//--- get SlowSMA buffer
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if(IsStopped()) // checking for stop flag
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return(0);
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if(CopyBuffer(ExtSlowSMAHandle,0,0,to_copy,ExtSlowBuffer)<=0)
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{
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Print("Getting slow SMA is failed! Error ",GetLastError());
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return(0);
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}
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//--- first calculation or number of bars was changed
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int i,start;
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if(prev_calculated<=DATA_LIMIT)
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{
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for(i=0; i<DATA_LIMIT; i++)
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ExtAOBuffer[i]=0.0;
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start=DATA_LIMIT;
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}
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else
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start=prev_calculated-1;
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//--- main loop of calculations
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for(i=start; i<rates_total && !IsStopped(); i++)
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{
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ExtAOBuffer[i]=ExtFastBuffer[i]-ExtSlowBuffer[i];
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if(ExtAOBuffer[i]>ExtAOBuffer[i-1])
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ExtColorBuffer[i]=0.0; // set color Green
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else
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ExtColorBuffer[i]=1.0; // set color Red
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}
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//--- return value of prev_calculated for next call
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return(rates_total);
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}
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//+------------------------------------------------------------------+
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