#include "Tick.mqh"

struct ZIGZAG
{
private:
  bool FlagUP;
  int MinMax;

public:
  const int MinPips;

  ZIGZAG ( const int iMinPips = 0 ) : FlagUP(true), MinMax(0), MinPips(iMinPips)
  {
  }

  bool Calc( const MqlTick &tick )
  {
    bool Res = false;

    const TICK Tick = tick;

    if (this.FlagUP)
    {
      if (Tick.bid > this.MinMax)
        this.MinMax = Tick.bid;
      else if (Res = (this.MinMax - Tick.ask >= this.MinPips))
      {
        this.MinMax = Tick.ask;

        this.FlagUP = false;
      }
    }
    else
    {
      if (Tick.ask < this.MinMax)
        this.MinMax = Tick.ask;
      else if (Res = (Tick.bid - this.MinMax >= this.MinPips))
      {
        this.MinMax = Tick.bid;

        this.FlagUP = true;
      }
    }

    return(Res);
  }

  double GetLastZZ( void ) const
  {
    return(this.MinMax * _Point);
  }
};