101 lines
3.7 KiB
MQL5
101 lines
3.7 KiB
MQL5
//+------------------------------------------------------------------+
|
|
//| Force_Index.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 2
|
|
#property indicator_plots 1
|
|
#property indicator_type1 DRAW_LINE
|
|
#property indicator_color1 clrDodgerBlue
|
|
//--- input parameters
|
|
input int InpForcePeriod=13; // Period
|
|
input ENUM_MA_METHOD InpMAMethod=MODE_SMA; // MA method
|
|
input ENUM_APPLIED_PRICE InpAppliedPrice=PRICE_CLOSE; // Applied price
|
|
input ENUM_APPLIED_VOLUME InpAppliedVolume=VOLUME_TICK; // Volumes
|
|
//--- indicator buffers
|
|
double ExtForceBuffer[];
|
|
double ExtMABuffer[];
|
|
|
|
int ExtMAHandle;
|
|
//+------------------------------------------------------------------+
|
|
//| Custom indicator initialization function |
|
|
//+------------------------------------------------------------------+
|
|
void OnInit()
|
|
{
|
|
//--- indicator buffers mapping
|
|
SetIndexBuffer(0,ExtForceBuffer,INDICATOR_DATA);
|
|
SetIndexBuffer(1,ExtMABuffer,INDICATOR_CALCULATIONS);
|
|
//--- sets first bar from what index will be drawn
|
|
PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,InpForcePeriod);
|
|
//--- name for DataWindow and indicator subwindow label
|
|
string short_name=StringFormat("Force(%d)",InpForcePeriod);
|
|
IndicatorSetString(INDICATOR_SHORTNAME,short_name);
|
|
//--- get MA handle
|
|
ExtMAHandle=iMA(NULL,0,InpForcePeriod,0,InpMAMethod,InpAppliedPrice);
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Force Index |
|
|
//+------------------------------------------------------------------+
|
|
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<InpForcePeriod)
|
|
return(0);
|
|
|
|
int calculated=BarsCalculated(ExtMAHandle);
|
|
if(calculated<rates_total)
|
|
{
|
|
Print("Not all data of ExtMAHandle 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 ma buffer
|
|
if(IsStopped()) // checking for stop flag
|
|
return(0);
|
|
if(CopyBuffer(ExtMAHandle,0,0,to_copy,ExtMABuffer)<=0)
|
|
{
|
|
Print("Getting MA data is failed! Error ",GetLastError());
|
|
return(0);
|
|
}
|
|
//--- preliminary calculations
|
|
int i,start;
|
|
if(prev_calculated<InpForcePeriod)
|
|
start=InpForcePeriod;
|
|
else
|
|
start=prev_calculated-1;
|
|
//--- the main loop of calculations
|
|
if(InpAppliedVolume==VOLUME_TICK)
|
|
{
|
|
for(i=start; i<rates_total && !IsStopped(); i++)
|
|
ExtForceBuffer[i]=tick_volume[i]*(ExtMABuffer[i]-ExtMABuffer[i-1]);
|
|
}
|
|
else
|
|
{
|
|
for(i=start; i<rates_total && !IsStopped(); i++)
|
|
ExtForceBuffer[i]=volume[i]*(ExtMABuffer[i]-ExtMABuffer[i-1]);
|
|
}
|
|
//--- OnCalculate done. Return new prev_calculated.
|
|
return(rates_total);
|
|
}
|
|
//+------------------------------------------------------------------+
|