【MT4マルチタイムフレーム】AC（MTF-AC）

//+------------------------------------------------------------------+
//|                                                       MTF-AC.mq4 |
//|                                  Copyright 2022,Greeds Co., Ltd. |
//|                                               https://greeds.net |
//+------------------------------------------------------------------+
#property copyright "Copyright 2022,Greeds Co., Ltd."
#property link      "https://greeds.net"
#property version   "1.00"
#property strict
#property indicator_separate_window
#property  indicator_color1  Green
#property  indicator_color2  Red

#property  indicator_buffers 2

double     Buf1[];
double     Buf2[];

input ENUM_TIMEFRAMES in_timeFrame = PERIOD_CURRENT;            // マルチタイムフレーム

int OnInit()
{
  SetIndexBuffer(0, Buf1 );
  SetIndexBuffer(1, Buf2 );
  SetIndexStyle(0, DRAW_HISTOGRAM , STYLE_SOLID , 1 );
  SetIndexStyle(1, DRAW_HISTOGRAM , STYLE_SOLID , 1 );

  return( INIT_SUCCEEDED );
}

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[])
{
  int limit = Bars - prev_calculated;
  for(int i=0; i<limit; i++)
  {
    int shift = iBarShift(NULL, in_timeFrame, time[i]);
    double ac0 = iAC(NULL,in_timeFrame,shift);
    double ac1 = iAC(NULL,in_timeFrame,shift+1);
    if(ac0>ac1)
    {
      Buf1[i] = ac0;
    }
    else
    {
      Buf2[i] = ac0;
    }
  }
  return(rates_total);
}