void ContestantApp::elimSemiPrev()
{
recordAnswer();
bool atFirstQuestion = ( qCount == 0 );
if( atFirstQuestion )
{
if( round == 1 )
m_elims_w->hide();
else if( round == 2 )
m_semifinals_w->hide();
m_welcome_w->show();
}
else
{
qCount--;
displayQuestionAndChoices();
displayAnswer();
}
}
void ContestantApp::elimSemiNext()
{
recordAnswer();
bool atLastQuestion = ( ( sd.questions.size() - 1 ) == qCount );
if ( atLastQuestion )
{
if( round == 1 )
m_elims_w->hide();
else if( round == 2 )
m_semifinals_w->hide();
m_summary_w->show();
}
else
{
qCount++;
displayQuestionAndChoices();
displayAnswer();
}
}
// recursive function using backtrack method
void knightTravel(int x, int y){
POINT array[8] = {{0, 0}, {0, 0}};
// remainin initialized to zero automatically
volatile int noOfPossiblePoints = nextPosition(x, y, array);
volatile int i;
chessBoard[x][y] = ++count;
// base condition uses count
if( count == chessBoardSize * chessBoardSize ){
displayAnswer();
exit(0);
}
for(i=0; i< noOfPossiblePoints; i++)
if( chessBoard[array[i].x][array[i].y] == 0 )
knightTravel(array[i].x, array[i].y);
chessBoard[x][y] = 0;
count--;
}
int main(int args, char *argv[]) {
int isOnline = 1;
struct hostent* he;
struct sockaddr_in server;
int sock_fd;
int playerAnswer;
int quesReceived = 0;
int choice, i;
int help_choice[HELP_CHOICES];
int clientId = UNDEFINED;
char clientName[40];
char c;
Question ques;
StatusType clientStatus;
MainPlayerData toPlayerData;
CandidateData toCandidateData;
createCashPrizeList();
if (args != 3) {
printf("Usage : %s <IP> <PORT>\n", argv[0]);
exit(-1);
}
if ((he = gethostbyname(argv[1])) == NULL ) {
printf("Cannot get the server !\n");
exit(-1);
}
server.sin_family = AF_INET;
server.sin_port = htons(atoi(argv[2]));
server.sin_addr = *((struct in_addr*) he->h_addr);
bzero(&(server.sin_zero), 8);
// create a socket to server
if ((sock_fd = socket(AF_INET, SOCK_STREAM, 0)) == -1) {
printf("Cannot create a socket !\n");
exit(-1);
}
if (connect(sock_fd, (struct sockaddr*) &server, sizeof(struct sockaddr))
== -1) {
printf("error connect");
exit(1);
}
recv(sock_fd, &clientId, sizeof clientId, 0);
if (clientId == NULL_ID) {
printf(CLIENT_FULL_MESSAGE);
close(sock_fd);
exit(-1);
}
//printf("Get the id : %d\n", clientId);
printf("=====WELCOME TO THE WHO WANT TO BE A MILLIONAIRE\n");
printf("Enter your name : ");
//get the user name
gets(clientName);
toCandidateData.status = CONNECTED;
//send the data to server to let server know you name
send(sock_fd, &toCandidateData, sizeof toCandidateData, 0);
send(sock_fd, clientName, sizeof clientName, 0);
// get the data back then display message for the first time join to game (this time a welcome message)
recv(sock_fd, &toCandidateData, sizeof toCandidateData, 0);
displayCandidateMessage(toCandidateData);
clientStatus = toCandidateData.status;
// print the client's status
// printf("The client %d has status : ", clientId);
// toString(clientStatus);
//playerAnswer = RIGHT;
/*handle data sent from server according to client role */
while (isOnline) {
switch (clientStatus) {
case WAITING:
recv(sock_fd, &toCandidateData, sizeof toCandidateData, 0);
clientStatus = toCandidateData.status;
if (clientStatus == WAITING) {
displayCandidateMessage(toCandidateData);
}
copyQuestion(&ques, toCandidateData.question);
break;
case COMPETING:
//displayCandidateMessage(toCandidateData);
//displayQuestion(ques);
compete(&toCandidateData, ques);
printf("Waiting for result....!\n");
sleep(1);
//fflush(stdout);
//endwin();
// send answer to server //
send(sock_fd, &toCandidateData, sizeof toCandidateData, 0);
//receive the result and change the status of client according to result
recv(sock_fd, &toCandidateData, sizeof toCandidateData, 0);
displayAnswer(ques);
sleep(1);
displayCandidateMessage(toCandidateData);
clientStatus = toCandidateData.status;
// printf("The client %d has status : ", clientId);
// toString(clientStatus);
//fflush(stdout);
// return 0;
// exit(0);
break;
case JOINING:
ques = toPlayerData.ques;
recv(sock_fd, &toPlayerData, sizeof toPlayerData, 0);
if (quesReceived == 1) {
displayAnswer(ques);
}
sleep(1);
if (toPlayerData.status == FINISHED) {
displayPlayerMessage(toPlayerData);
exit(1);
}
broadTheGame(toPlayerData);
quesReceived = 1;
break;
case PLAYING:
//fflush(stdout);
for (i = 0; i < HELP_CHOICES; i++) {
help_choice[i] = AVAILABLE;
}
do {
while (getchar() != '\n')
;
recv(sock_fd, &toPlayerData, sizeof toPlayerData, 0);
if (toPlayerData.status == FINISHED) {
displayPlayerMessage(toPlayerData);
exit(1);
}
sleep(1);
displayPlayerMessage(toPlayerData);
sleep(1);
broadTheGame(toPlayerData);
printf(
"\n>>Your choice (press 'H' to get help or 'L' to leave the game): ");
c = getchar();
choice = handleAnswer(c);
//if the player has his own answer
while (1) {
if (choice != HELP_MODE) {//neu nguoi choi ko chon tro giup
playerAnswer = checkAnswer(choice,
toPlayerData.ques.ans);
send(sock_fd, &playerAnswer, sizeof playerAnswer, 0);
break;
}
//else if he needs help
else { //xu ly tro giup
helpMenu(&toPlayerData, help_choice);
printf(
"\n>>Your choice (press 'H' to get help or 'L' to leave the game): ");
while (getchar() != '\n')
;
c = getchar();
choice = handleAnswer(c);
}
}
} while (playerAnswer == RIGHT);
if (playerAnswer == WRONG || playerAnswer == END) {
recv(sock_fd, &toPlayerData, sizeof toPlayerData, 0);
sleep(1);
displayAnswer(toPlayerData.ques);
displayPlayerMessage(toPlayerData);
isOnline = 0;
clientStatus = FINISHED;
close(sock_fd);
exit(-1);
}
//fflush(stdout);
break;
default:
printf("We will handle soon ...\n");
break;
}
//fflush(stdout);
}
return 0;
}
