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