include/vamos/body/Drivetrain.h

Go to the documentation of this file.

//  Drivetrain.h - manages the engine, clutch, transmission and differential.
//
//  Copyright (C) 2001--2002 Sam Varner
//
//  This file is part of Vamos Automotive Simulator.
//
//  This program is free software; you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation; either version 2 of the License, or
//  (at your option) any later version.
//
//  This program is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with this program; if not, write to the Free Software
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

#ifndef _DRIVETRAIN_H_
#define _DRIVETRAIN_H_

#include <vamos/body/Engine.h>
#include <vamos/body/Clutch.h>
#include <vamos/body/Transmission.h>
#include <vamos/body/Differential.h>
#include <vamos/geometry/Constants.h>

namespace Vamos_Body
{
  //* The drivetrain manages the engine, clutch, transmission and
  //  differential.
  class Drivetrain
  {
        //** The components that make up the drivetrain.

        Engine* mp_engine;

        Clutch* mp_clutch;

        Transmission* mp_transmission;

        Differential* mp_differential;

        // The throttle position.
        double m_gas;
          
        //  bool m_auto_neutral;

  public:
        //** Constructor
        Drivetrain (Engine* engine, 
                                Clutch* clutch, 
                                Transmission* transmission,
                                Differential* differential);

        //** Destructor
        ~Drivetrain ();

        // Process the input parameters.
        void input (double gas, double clutch,
                                double left_wheel_speed, double right_wheel_speed);

        void find_forces ();

        // Advance the drivetrain in time by TIME.
        void propagate (double time);
        void rewind ();
        void reset ();

        // Allow access to the components.
        Engine* engine () { return mp_engine; }
        Transmission* transmission () { return mp_transmission; }
        Clutch* clutch () { return mp_clutch; }

        // Return the torque for a driven wheel.
        double torque (Vamos_Geometry::Side side) const;
        
        //void set_auto_neutral (bool an) {m_auto_neutral = an;}
  };
}

#endif // not _DRIVETRAIN_H_

---