DummyPlayers.h

/**
*header file of classes XYPlayer,YXPlayer,IllegalPlayer and ExceptionPlayer
*Author Erel Segal-Halevi
*From https://github.com/erelsgl/ariel-cpp-5778/tree/master/week06-inheritance/homework
*Version 1.0
**/


#pragma once
#include "Player.h"

/* 
	This player scans the board looping on x then on y, 
	and plays on the first empty cell. 
*/
class XYPlayer: public Player {
public:
	const string name() const override { return "XYPlayer"; }
	const Coordinate play(const Board& board) override;
};


/* 
	This player scans the board looping on y then on x, 
	and plays on the first empty cell. 
*/
class YXPlayer: public Player {
public:
	const string name() const override { return "YXPlayer"; }
	const Coordinate play(const Board& board) override;
};


/* 
   This player makes illegal moves - 
   it tries to override cells of the other player.
   It should always lose. 
*/
class IllegalPlayer: public Player {
public:
	const string name() const override { return "YXPlayer"; }
	const Coordinate play(const Board& board) override;
};


/* 
	This player always throws an exception.
	It should always lose. 
*/
class ExceptionPlayer: public Player {
public:
	const string name() const override { return "YXPlayer"; }
	const Coordinate play(const Board& board) override;
};