//Line 82
static void wii_event(const struct xwii_event *event, int sockfd)
{
    int n, reply[1];
    //array that stores the states of key and acceleration data
    int arg[8] = {0};

    //in event struct, v is an union that stores data payload

    //key struct continas the enumerated key number and key state
    //store key number in code and state as a bool pressed (0 false, 1 true)
    unsigned int code = event->v.key.code;
    bool pressed = event->v.key.state;

    //Use switch case to cycle through wiimote events
    switch(event->type)
    {
    case XWII_EVENT_KEY:

        //if the respective key are pressed, the state is set to 1, otherwise 0
        if(pressed)
        {
        if (code == XWII_KEY_LEFT)
            arg[2] = 1;
        else
            arg[2] = 0;
        if (code == XWII_KEY_RIGHT)
            arg[3] = 1;
        else
            arg[3] = 0;
        if (code == XWII_KEY_UP)
            arg[4] = 1;
        else
            arg[4] = 0;
        if (code == XWII_KEY_DOWN)
            arg[5] = 1;
        else
            arg[5] = 0;
        }
        else
        {
            for(int i = 2; i < 6; i++)
                arg[i] = 0;

        }

        //key A and B act as switches for performing actions, the sleep() was used to pause the program while action is performed
        if (code == XWII_KEY_A)
            if(pressed)
            {
                arg[6] = -arg[6];
                sleep(1);
            }
        if (code == XWII_KEY_B)
            if(pressed)
            {
                arg[7] = -arg[7];
                sleep(1);
            }
        break;
    case XWII_EVENT_ACCEL:

        //abs struct contains absolute motion event payload, x stores roll, while y stores pitch
        if(arg[7] == 1)
        {
            arg[0] = event->v.abs[0].x*val2deg;
            arg[1] = event->v.abs[0].y*val2deg;
        }
        else
        {
            arg[0] = 0;
            arg[1] = 0;
        }
        break;
    }

    //send motion data to server using socket
    n = write(sockfd, arg, sizeof(arg));
    if (n < 0)
         error("ERROR writing to socket");
    bzero(reply,sizeof(reply));

    n = read(sockfd,reply,sizeof(reply));
    if (n < 0)
         error("ERROR reading from socket");
}