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/* Chris Stewart- Muniz
   COP3223-002
   10/17/07
   Program 3 */

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

int craps();
int pairofdice();
int arupsdice();
int buychips(int *cash);
int sellchips(int numchips);
void statusreport(int totalchips, int totalcash);

int main() {

int menuoption = 0, numchips, totalchips = 0, cash, totalcash = 1000, sellvalue, chipsbet, *cash_ptr = &cash;

while (menuoption != 6) {
//Buy chips
if (menuoption == 1) {
printf("How much cash do you want to spend for chips?\n");
scanf("%d", &cash);
if (cash > totalcash)
printf("Sorry, you do not have that much money. No chips bought.\n");
else {
totalcash -= cash;
totalchips += buychips(cash_ptr);
totalcash += cash;
} }
//Sell chips
if (menuoption == 2) {
printf("How many chips would you like to sell?\n");
scanf("%d", &numchips);
if (numchips > totalchips) 
printf("Sorry, you do not have that many chips. No chips sold.\n");
else {
totalchips -= numchips;
sellvalue = sellchips(numchips);
totalcash += sellvalue;
} }
//Play Craps
if (menuoption == 3) {
printf("How many chips would you like to bet?\n");
scanf("%d", &chipsbet);
if (chipsbet > totalchips || chipsbet < 1)
printf("Sorry, you do not have that many chips to bet. No game played.\n");
else {
int wincraps = craps();
if (wincraps == 1)
totalchips += chipsbet;
else
totalchips -= chipsbet;
} }
//Play Arup's Game of Dice
if (menuoption == 4) {
printf("How many chips would you like to bet?\n");
scanf("%d", &chipsbet);
if (chipsbet > totalchips || chipsbet < 1)
printf("Sorry, you do not have that many chips to bet. No game played.\n");
else {
int winarup = arupsdice();
if (winarup == 1)
totalchips += chipsbet;
else
totalchips -= chipsbet;
} }
//Status Report
if (menuoption == 5) {
statusreport(totalchips, totalcash);
}

else {

printf("1) Buy chips\n");
printf("2) Sell chips\n");
printf("3) Play Craps\n");
printf("4) Play Arup's Game of Dice\n");
printf("5) Status Report\n");
printf("6) Quit\n");

}

scanf("%d", &menuoption);

} }

int craps() {

int roll = pairofdice(), k, newroll = 0;

if (roll == 7 || roll == 11) {
printf("You win!\n");
return 1;
}

if (roll == 2 || roll == 3 || roll == 12) {
printf("Sorry, you have lost.\n");
return 0;
}

else {
k = roll;

while (newroll != k && newroll != 7) {

newroll = pairofdice();
}

if (newroll == k) {
printf("You win!\n");
return 1;
}

if (newroll == 7) {
printf("Sorry, you have lost.\n");
return 0;
} } }

int pairofdice() {

int dicesum;
char nextroll = 'a';

srand(time(NULL));

while (nextroll != 'r') {
printf("Press 'r' and hit enter to roll.\n");
fflush(stdin);
scanf("%s", &nextroll);
}

dicesum = (rand() % 6 + 1) + (rand() % 6 + 1);

printf("You rolled %d.\n", dicesum);

return dicesum;

}

int arupsdice() {

int roll = pairofdice(), k;

if (roll == 11 || roll == 12) {
printf("You win!\n");
return 1;
}

if (roll == 2) {
printf("Sorry, you have lost.\n");
return 0;
}

else {
k = roll;

int newroll = pairofdice();

if (newroll > k) {
printf("You win!\n");
return 1;
}
else {
printf("Sorry, you have lost.\n");
return 0;
} } }

int buychips(int *cash) {

int chips = (*cash)/11;
int change = (*cash) % 11;

*cash = change;

return chips;

}

int sellchips(int numchips)
{
   return numchips*10;
}

void statusreport(int totalchips, int totalcash) {
printf("You currently have $%d left and %d chips.\n", totalcash, totalchips);
}