char main()
{
int i, sec_left = 5; // give player secs to pick letter
char pick, str[100];
srand(getpid()); // seed rand for random pick if user not pick in secs
sprintf(str, "%c[2J", 27);
write( 1, str, strlen(str) );
sprintf( str, "%c[2;1H%s", 27, "Pick a winner A~Z " );
write( 1, str, strlen(str) );
NonBlock(1); // turn on non-block stdin
while(1)
{
if( KeyHit() ) // check if key pressed
{
read(0, &pick, 1); // read key-in as a char
// if not uppercase, reduce ASCII value to uppercase range
if ( pick >= 'a' && pick <= 'z' ) pick -= ( 'a' - 'A' );
write(1, "You've picked: ", 15); // msg to show
write(1, &pick, 1); // display pick
write(1, " ", 2); // display " "
sleep(1); // give time to let see msg
if ( pick >= 'A' && pick <= 'Z' ) return pick; // good range
}
sprintf(str, "%c[4;1H%2d seconds! ", 27, sec_left);
write(1, str, strlen(str));
if( sec_left == 0 )
{
pick = rand()%26 + 'A';
sprintf(str, "%c[4;13HI've picked for you: ", 27); // row 4, col 13
write(1, str, strlen(str));
for( i=0; i<5; i++ ) // flash random pick
{
usleep(250000);
sprintf(str, "%c[4;34H ", 27); // erase row 4, col 34
write(1, str, strlen(str));
usleep(250000);
sprintf(str, "%c[4;34H%c ", 27, pick);
write(1, str, strlen(str));
}
sleep(1); // give time to let see msg
return pick;
}
sleep(1);
sec_left--;
}
NonBlock(0);
}
void APISocket::CSocket::SetBlockMode(bool bBlock)
{
m_bBlockMode = bBlock;
NonBlock(!bBlock);
}
