Multi Player BlackJack

#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <ctime>

using namespace std;

class Card
{
public:
enum rank {ACE = 1, TWO, THREE, FOUR, FIVE, SIX, SEVEN, EIGHT, NINE, TEN, JACK, QUEEN, KING};
enum suit {CLUBS, DIAMONDS, HEARTS, SPADES};
//overloading << operator so can send Card object to standard outpt
friend ostream& operator<<(ostream& os, const Card& aCard);

Card(rank r = ACE, suit s = SPADES, bool ifu = true);

//returns the value of a card, 1- 11
int GetValue() const;

//flips a card; if face up, becomes face down and vice versa
void Flip();

private:
rank m_Rank;
suit m_Suit;
bool m_IsFaceUp;
};

Card::Card(rank r, suit s, bool ifu): m_Rank(r), m_Suit(s), m_IsFaceUp(ifu)
{}

int Card::GetValue() const
{
//if a cards is face down, its value is 0
int value = 0;
if (m_IsFaceUp)
{
//value is number showing on card
value = m_Rank;
//value is 10 for face cards
if (value > 10)
value = 10;
}
return value;
}
void Card::Flip()
{
m_IsFaceUp = !(m_IsFaceUp);
}
class Hand
{
public:
Hand();

virtual ~Hand();

//adds a card to the hand
void Add(Card* pCard);

//clears hand of all cards
void Clear();
//gets hand total value, intelligently treats aces as 1 or 11
int GetTotal() const;

protected:
vector<Card*> m_Cards;
};

Hand::Hand()
{
m_Cards.reserve(7);
}

Hand::~Hand() //don't use the keyboard virtual outside of class definition
{
Clear();
}
void Hand::Add(Card* pCard)
{
m_Cards.push_back(pCard);
}
void Hand::Clear()
{
//iterate through vector, freeing all memory on the heap
vector<Card*>::iterator iter = m_Cards.begin();
for (iter = m_Cards.begin(); iter != m_Cards.end(); ++iter)
{
delete *iter;
*iter = 0;
}
//clear vector of pointers
m_Cards.clear();
}

int Hand::GetTotal() const
{
//if no cards in hand, return 0
if(m_Cards.empty())
return 0;

//if a first card has value of 0, then card is face down; return 0
if (m_Cards[0]->GetValue() == 0)
return 0;

//adds up card values, treat each ace as 1
int total = 0;
vector<Card*>::const_iterator iter;
for (iter = m_Cards.begin(); iter !=m_Cards.end(); ++iter)
total += (*iter)->GetValue();

//Determine if hand contains ace
bool containsAce = false;
for (iter = m_Cards.begin(); iter != m_Cards.end(); ++iter)
if ((*iter)->GetValue() == Card::ACE)
containsAce = true;

//if hand contains ace and total is low enough, treat ace as 11
if (containsAce && total <= 11)
//add only 10 since we've already added 1 for the ace
total += 10;

return total;
}

class GenericPlayer : public Hand
{
friend ostream& operator<<(ostream& os,const GenericPlayer& aGenericPlayer);

public:
GenericPlayer(const string& name = "");

virtual ~GenericPlayer();

//indicates whether or not a generic player wants to keep hitting
virtual bool I****ting() const = 0;

//indicates whether generic player has busted - has a total greater than 21
bool IsBusted() const;

//announces that the generic player is busted
void Bust() const;

protected:
string m_Name;
};

GenericPlayer::GenericPlayer(const string& name): m_Name(name)
{}

GenericPlayer::~GenericPlayer()
{}

bool GenericPlayer::IsBusted() const
{
return (GetTotal() > 21);
}

void GenericPlayer::Bust() const
{
cout<<m_Name<<" busts.\n";
}

class Player : public GenericPlayer
{
public:
Player(const string& name = "");

virtual ~Player();

//returns whether or not the player wants another hit
virtual bool I****ting() const;

//announces that the player wins
void Win() const;

//announces that the player loses
void Lose() const;

//announces that the player pushes
void Push() const;
};

Player::Player(const string& name): GenericPlayer(name)
{}

Player::~Player()
{}

bool Player::I****ting() const
{
cout<<m_Name<<", do you want a hit? (Y/N): ";
char response;
cin>> response;
return (response == 'y' || response == 'Y');
}

void Player::Win() const
{
cout<<m_Name<<" wins.\n";
}

void Player::Lose() const
{
cout<<m_Name<<" loses.\n";
}

void Player::Push() const
{
cout<<m_Name<<" pushes.\n";
}

class House : public GenericPlayer
{
public:
House(const string& name = "House");

virtual ~House();

//indicates whether house is hitting - will always hit on 16 or less
virtual bool I****ting() const;

//flips over first card
void FlipFirstCard();
};

House::House(const string& name): GenericPlayer(name)
{}

House::~House()
{}

bool House::I****ting() const
{
return (GetTotal() <= 16);
}

void House::FlipFirstCard()
{
if (!(m_Cards.empty()))
m_Cards[0]->Flip();
else cout << "No card to flip!\n";
}

class Deck : public Hand
{
public:
Deck();
virtual ~Deck();

//create a standard deck of 52 cards
void Populate();

//shuffle cards
void Shuffle();

//deal one card to a hand
void Deal (Hand& aHand);

//give additional cards to a generic player
void AdditionalCards(GenericPlayer& aGenericPlayer);
};

Deck::Deck()
{
m_Cards.reserve(52);
Populate();
}

Deck::~Deck()
{}

void Deck::Populate()
{
Clear();
//create standards deck
for (int s = Card::CLUBS; s <= Card::SPADES; ++s)
for (int r = Card::ACE; r <= Card::KING; ++r)
Add(new Card(static_cast<Card::rank>(r),
static_cast<Card::suit>(s)));
}

void Deck::Shuffle()
{
random_shuffle(m_Cards.begin(), m_Cards.end());
}

void Deck::Deal(Hand& aHand)
{
if (!m_Cards.empty())
{
aHand.Add(m_Cards.back());
m_Cards.pop_back();
}
else
{
cout<<"Out of cards. Unable to deal.";
}
}

void Deck::AdditionalCards(GenericPlayer& aGenericPlayer)
{
cout<< endl;
//continue to deal a card as long as generic player isn't busted and
//wants another hit
while ( !(aGenericPlayer.IsBusted()) && aGenericPlayer.I****ting() )
{
Deal(aGenericPlayer);
cout<< aGenericPlayer<< endl;

if (aGenericPlayer.IsBusted())
aGenericPlayer.Bust();
}
}

class Game
{
public:
Game(const vector<string>& names);

~Game();

//plays the game of blackjack
void Play();

private:
Deck m_Deck;
House m_House;
vector<Player> m_Players;
};

Game::Game(const vector<string>& names)
{
//create a vector of players from a vector of names
vector<string>::const_iterator pName;
for (pName = names.begin(); pName != names.end(); ++pName)
m_Players.push_back(Player(*pName));

srand(time(0));   //seed the random generator
m_Deck.Populate();
m_Deck.Shuffle();
}

Game::~Game()
{}

void Game::Play()
{
//deal initial 2 cards to everyone
vector<Player>::iterator pPlayer;
for (int i = 0; i < 2; ++i)
{
for (pPlayer = m_Players.begin(); pPlayer != m_Players.end(); ++pPlayer)
m_Deck.Deal(*pPlayer);
m_Deck.Deal(m_House);
}

//hide house's first card
m_House.FlipFirstCard();

//display everyone's hand
for (pPlayer = m_Players.begin(); pPlayer != m_Players.end(); ++pPlayer)
cout<< *pPlayer<<endl;

//deal additional cards to players
for (pPlayer = m_Players.begin(); pPlayer != m_Players.end(); ++pPlayer)
m_Deck.AdditionalCards(*pPlayer);

//reveal house's first card
m_House.FlipFirstCard();
cout<<endl<<m_House;

//deals additional cards to house
m_Deck.AdditionalCards(m_House);

if (m_House.IsBusted())
{
//everyone still playing wins
for (pPlayer = m_Players.begin(); pPlayer!= m_Players.end(); ++pPlayer)
if ( !(pPlayer->IsBusted()) )
pPlayer->Win();
}
else
{
//compare each player still playing to house
for (pPlayer = m_Players.begin(); pPlayer != m_Players.end(); ++pPlayer)
if ( !(pPlayer->IsBusted()) )
{
if (pPlayer->GetTotal() > m_House.GetTotal())
pPlayer->Win();
else if (pPlayer->GetTotal() < m_House.GetTotal())
pPlayer->Lose();
else
pPlayer->Push();
}
}
//remove everyone's cards
for (pPlayer = m_Players.begin(); pPlayer != m_Players.end(); ++pPlayer)
pPlayer->Clear();
m_House.Clear();
}

//function prototypes
ostream& operator<<(ostream& os, const Card& aCard);
ostream& operator<<(ostream& os, const GenericPlayer& aGenericPlayer);

int main()
{
cout<<"\t\tWelcome to Blackjack!\n\n";

int numPlayers = 0;
while (numPlayers < 1 || numPlayers > 7)
{
cout<<"How many players? (1-7): ";
cin>> numPlayers;
}
vector<string> names;
string name;
for (int i = 0; i < numPlayers; ++i)
{
cout<<"Enter player name: ";
cin>> name;
names.push_back(name);
}
cout<< endl;

//the game loop
Game aGame(names);
char again = 'y';
while (again != 'n' && again != 'N')
{
aGame.Play();
cout<<"\nDo you want to play again? (Y/N): ";
cin>> again;
}
return 0;
}

//overloads << operator so Card object can be sent to cout
ostream& operator<<(ostream& os, const Card& aCard)
{
const string RANKS[] = {"0", "A","2", "3", "4", "5", "6", "7", "8", "9", "10", "J", "Q", "K"};
const string SUITS[] = {"c", "d", "h", "s"};

if (aCard.m_IsFaceUp)
os<< RANKS[aCard.m_Rank] << SUITS[aCard.m_Suit];
else
os<< "XX";
return os;
}

//overloads <<operator so a GenericPlayer object can be sent to cout
ostream& operator<<(ostream& os, const GenericPlayer& aGenericPlayer)
{
os <<aGenericPlayer.m_Name<< ":\t";

vector<Card*>::const_iterator pCard;
if (!aGenericPlayer.m_Cards.empty())
{
for (pCard = aGenericPlayer.m_Cards.begin();
pCard != aGenericPlayer.m_Cards.end(); ++pCard)
os<< *(*pCard) << "\t";


if (aGenericPlayer.GetTotal() != 0)
cout<< "(" << aGenericPlayer.GetTotal() << ")";
}
else
{
os << "<empty>";
}
return os;
}

int main(void)
{
blah blah blah
}