//
integer hudchan = -387429; //channel huds communicate on
integer started;


default
{
    state_entry()
    {
        llListen(hudchan,"","","");
    }

    touch_start(integer total_number)
    {
        if (llDetectedKey(0) == llGetOwner())
        {
            if (llDetectedTouchFace(0) == 1)
            {
                if (started == TRUE)
                {
                    llOwnerSay("touched buzzer");
                }
                else
                {
                    llOwnerSay("you can only buzz in when the quiz buzzer system is started");
                }
            }
        }
    }

    listen (integer channel, string name, key id, string msg)
    {
        list templist = llParseString2List(msg,["#"],[""]);
        key recievedkey = llList2Key(templist,0);
        string command = llList2String(templist,1);
        llOwnerSay("recievedkey: " +(string)recievedkey+ " command: "+command);

        if (recievedkey == llGetCreator())
        {
            if (command == "Start")
            {
                started = TRUE;
                llOwnerSay("quiz buzzer system is now started. You can now buzz in when required by touching the big yellow button on your buzzer hud");
            }
            if (command == "Stop")
            {
                started = FALSE;
                llOwnerSay("quiz buzzer system is now stopped. You can no longer touch the big yellow button to buzz in until the system is started again");
            }
        }
    }

    changed (integer change)
    {
        if (change & CHANGED_OWNER)
        {
            llOwnerSay("new hud owner detected " + llGetUsername(llGetOwner()) + " Welcome to the quiz buzzer system. The big yellow button on your hud is your quiz buzzer, when the sytem is active you can click it to buzz in");
        }
    }

    attach(key id)
    {
        if (id)
        {
            llOwnerSay("hud attached and running");
        }
    }
}