//
// acey-ducey.c
// Acey Ducey
//
// Created by Laurence Scotford on 01/05/2014.
// Copyright (c) 2014 Laurence Scotford. All rights reserved.
//
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <string.h>
#include <ctype.h>
#include <errno.h>
#include <stdbool.h>
// Function declarations
void runGame();
int pickCard();
void getCardName(int card, char cardName[]);
void strToLowerCase(char string[]);
int main() {
// Display instructions
printf("Acey Ducey card game\nBased on a programme from Creative Computing, Morristown, New Jersey\n\n\nAcey Ducey is played in the following manner.\nThe dealer (computer) deals two cards face up.\nYou have an option to bet or not, depending\non whether or not you feel the next card will have\na value between the first two.\n\nIf you do not want to bet, input a 0\n");
char rawInput[80]; // This will hold the raw input entered by the user
char inputString[80]; // This will hold the processed input string
// Seed the random number generator
srand((unsigned int)time(NULL));
do {
// Play a game
runGame();
// Ask the player if they want to play again
printf("\nTry Again (yes or no)? ");
fgets(rawInput, sizeof(rawInput), stdin);
sscanf(rawInput, " %s", inputString);
strToLowerCase(inputString);
} while (!strncmp(inputString, "yes", 3));
printf("\nOK. Hope you had fun!\n\n");
return 0;
}
void runGame() {
char rawInput[80]; // This will hold the raw input entered by the user
int bet = 0; // This will hold the amount of the player's bet
int money = 100; // Amount of money remaining to the player
// Keep playing while the player has money remaining
while (money > 0) {
// Show player how much money is remaining
printf("\n\nYou now have %i dollars\n\n", money);
// Pick first card
int cardA = pickCard();
int cardB = cardA;
// Continue picking second card until it is not the same as first card
while (cardB == cardA) {
cardB = pickCard();
}
// If cardB is lower than cardA, swap them
if(cardB < cardA)
{
int tmp = cardA;
cardA = cardB;
cardB = tmp;
}
// Get the card names
char cardAName[6];
char cardBName[6];
getCardName(cardA, cardAName);
getCardName(cardB, cardBName);
// Show the cards to the player
printf("Here are your next two cards:\n%s\n%s\n\n", cardAName, cardBName);
// Get the player's bet
bool validBet = false;
// Continue to ask for player's bet until player enters a valid amount
while (!validBet) {
printf("What is your bet? ");
fgets(rawInput, sizeof(rawInput) / sizeof(rawInput[0]), stdin);
// Attempt to convert bet to a number
int varsFilled = sscanf(rawInput, " %i", &bet);
// Only validate bet if it's a positive number equal to or less than player's money, otherwise display an error message
if (varsFilled != 1 || bet < 0) {
printf("\nPlease enter 0 for no bet or a whole number greater than zero to bet that amount.\n\n");
} else if(bet > money) {
printf("\nSorry my friend but you bet too much.\nYou only have %i dollars to bet.\n\n", money);
} else {
validBet = true;
}
}
// Only pick third card if player has chosen to bet
if (bet == 0) {
printf("\nChicken!\n");
} else {
// Pick third card
int cardC = pickCard();
// Get name of third card
char cardCName[6];
getCardName(cardC, cardCName);
// Display third card to player
printf("\n%s\n", cardCName);
// Check if player has won or lost
if( cardA < cardC && cardC < cardB ) {
printf("You win!!!\n");
money += bet;
} else {
printf("Sorry, you lose.\n");
money -= bet;
}
}
}
printf("\nSorry friend, but you blew your wad.\n");
}
// This function returns a card picked at random
int pickCard() {
return rand() % 13 + 2;
}
// This function returns the correct card name for the card passed as the first argument,
// the second argument is a character array where the card name will be stored (which must have space for at least six characters)
void getCardName(int card, char cardName[]) {
switch(card) {
case 11:
strcpy(cardName, "Jack");
break;
case 12:
strcpy(cardName, "Queen");
break;
case 13:
strcpy(cardName, "King");
break;
case 14:
strcpy(cardName, "Ace");
break;
default:
sprintf(cardName, "%i", card);
break;
}
}
// This function converts the string to lower case letters
void strToLowerCase(char string[]) {
for(int i = 0; string[i]; i++) {
string[i] = tolower(string[i]);
}
}
