MarcFriedenberg.com

//Intergalactic Blackjack
//By Marc Friedenberg
//Started on Jaunary 28, 2002, at 10:07 A.M.

#include<iostream.h>
#include<stdlib.h>
#include<time.h>

int drawCard(); //Draw a random card (for player or dealer)
char hitStay(); //Returns if they want to hit or stay
void dealerRoutine(); //Automate the card selection of the dealer
void determineWinner(); //From player and dealer totals, determine winner
int finish(); //End the game (ask to play again)
void statusFind(); //If the player is under 21, ask them to hit or stay
void dealerFirst(); //Determine dealer's first card
void playerFirst(); //Determine player's first two cards
void playAgainDecide(); // Would they like to play again?

int card; //The card that was just drawn
int ptot; //The player's total
int dtot; //The dealer's total
char move; // 'h' if hit, 's' if stay
char playAgain; //Do they want to play again?

int main()
{
	ptot=0;
        dtot=0;
	srand(time(NULL));
	cout << "\n\nWelcome to Intergalactic Blackjack!\n\n";
        playerFirst();
        dealerFirst();
        statusFind();
      	dealerRoutine();
     return 0;
}

int drawCard()
{
		card=1+rand()%11;
		return card;
}

char hitStay()
{
	cout << "Would you like to hit (h) or stay (s)?";
	cin >> move;
	if (move=='h'||move=='H'||move=='s'||move=='S')
	{
		return move;
	}
	else
	{
		cout << "Please enter h or s" << endl;
		hitStay();
	}
}

void determineWinner() //Compare card values to see who wins
{
    if (ptot>21)
    {
        cout << "Sorry, you busted. The dealer wins." << endl;
    }
    else if (dtot>21)
    {
        cout << "The dealer busts with " << dtot << ", so you win!" << endl;
    }
    else
        {
        if (ptot>dtot)
        {
            cout << "Your " << ptot << " beats the dealer's " << dtot << ". Congratulations!" << endl;
        }
        else if (ptot<dtot)
        {
            cout << "Your " << ptot << " loses to the dealer's " << dtot << ". Sorry!" << endl;
        }
        else
        {
            cout << "It's a tie! You and the dealer each have " << ptot << "." << endl;
        }
    }
}

int finish()
{
        determineWinner();
        playAgainDecide();
}

void dealerRoutine()
{
   if (ptot>21)
        finish();
    while (dtot<=21)
    {
        dtot+=drawCard();
        cout << "\tDealer draws " << card << ", total is " << dtot << "..." << endl;
        if (dtot>=17)
            finish();
    }
}

void statusFind()
{
	while (ptot<21)
	{
		move=hitStay();
                if (move=='s') //If they want to stay...
                {
                    dealerRoutine();
                }
                else if (move=='h') //If they want to hit...
                {
                    ptot+=drawCard();
                    cout << "\tYou drew a " << card << ". Your total is " << ptot << "." << endl;
                }

	}
}

void dealerFirst()
{
	//Determine the dealer's first card
	card=drawCard();
	cout << "Dealer shows " << card << endl;
        dtot+=card;
}

void playerFirst()
{
	//Determine the player's two cards
	card=drawCard();
	cout << "You drew a " << card << " and a ";;
	ptot+=card;
	card=drawCard();
	ptot+=card;
	cout << card << ", so the total is " << ptot << endl;
}

void playAgainDecide()
{
        cout << "Would you like to play again? (y/n)";
        cin >> playAgain;
        if (playAgain=='Y'||playAgain=='y')
        {
                main();
        }
        else if (playAgain=='N'||playAgain=='n')
        {
                cout << "Thanks for playing!" << endl;
                exit(0);
        }
        else
        {
            cout << "Please enter y or n." << endl;
            playAgainDecide();
        }
}