//******************************************************************* 
//                                                                    
//  Project:  MacroSoft
//                     
//  Class: CompassDirection
//                                                
//  Author:  CS 1711, Section B
//                                                                    
//  Description:  A direction object
//                                                                    
//  Date:  1999 Fall
//
//  Filename: compdir.h 
//                                                                    
//*******************************************************************

#ifndef COMPASS_DIR  //preprocessor directive
#define COMPASS_DIR

const int NUMDIRECTIONS = 4;


class CompassDirection{
private:
    enum Directions {North, East, South, West}; //  the diections

	Directions direction;

public:

// constructors
	CompassDirection();
	CompassDirection(char newDirection);


//access function prototypes
	char getDirection();

// set function prototypes
	void setDirection(char newDirection);

// turning methods
	void rightTurn();
	void leftTurn();
	void reverse();

// output method
	void writeDirection();

};

// ***********************************************************
//      CompassDirection class implementation
// ***********************************************************

// implementation of the CompassDirection constructor


// default constructor
CompassDirection::CompassDirection()
{ 
   direction = North;
}


// with a parameter
CompassDirection::CompassDirection(char newDirection)
{
	switch (newDirection)
	{
	case 'n':
	case 'N' : direction = North;
				break;
	default: cerr << "Invalid direction, object not initialized!!";
	}

	// FILL IN!!

}


//access function ??? does it make sense?
	char CompassDirection::getDirection()
	{
		return '0';
	}

// set function 
	void CompassDirection::setDirection(char newDirection)
	{
	}

// turning methods
	void CompassDirection::rightTurn()
	{
		direction = Directions((direction + 1)%NUMDIRECTIONS);
	}

	void CompassDirection::leftTurn()
	{
		direction = Directions((direction + 3)%NUMDIRECTIONS);
	}

	void CompassDirection::reverse()
	{
	}

// output method
	void writeDirection()
	{
	}



#endif