#include <iostream>

using namespace std;

class Player
{
 protected:
     int v1;

 public:
     void makeMove(int p1)
	{ 
	 cout << "Player::makeMove() p1: " << p1 << ", v1: " << v1 << endl;
	}

     virtual void determineMove()
	{
	 cout << "Player::determineMove()" << endl;
	 makeMove(1);
	}

     void setV1(int p)
	{ v1 = p; }
};

class UserPlayer: public Player
{
 protected:
     int v2;

 public:
     virtual void determineMove()
	{
	 cout << "UserPlayer::determineMove() v2: " << v2 << endl;
	 makeMove(2);
	}

     void setV2 (int p)
	{ v2 = p; }
};

void takeTurn (Player p)
{
 p.determineMove();
}

void takeTurn2 (Player *p)
{
 p->determineMove();
}

int main ()
{
 Player p1;
 UserPlayer p2;

 p1.setV1(11);
 p2.setV1(12);
 p2.setV2(13);

 p1.determineMove();
 p2.determineMove();

 takeTurn (p1);
 takeTurn (p2);

 cout << endl << "Now using pointers to classes" << endl;

 Player* pp1 = new Player;
 Player* pp2 = new UserPlayer;

 pp1->setV1(21);
 pp2->setV1(22);
 // pp2->setV2(23);

 pp1->determineMove();
 pp2->determineMove();

 takeTurn2(pp1);
 takeTurn2(pp2);

 cout << endl << "Now using pointers to classes by getting the address" << endl;
 p1.determineMove();
 p2.determineMove();
 takeTurn2(pp1);
 takeTurn2(pp2);
}