default
{
    on_rez(integer start)
    {
        llResetScript();
    }

    state_entry()
    {
        llRequestPermissions(llGetOwner(), PERMISSION_TRIGGER_ANIMATION);
    }

    run_time_permissions(integer perm)
    {
        if(perm & PERMISSION_TRIGGER_ANIMATION)
        {
            state notTyping;
        }
    }

    state_exit()
    {
        llSetTimerEvent(0.05);
    }
}

state notTyping
{
    on_rez(integer start)
    {
        llResetScript();
    }

    timer()
    {
        if(llGetAgentInfo(llGetOwner()) & AGENT_TYPING)
        {
            llStartAnimation("a");
            llTriggerSound("s", 1.0);
            state typing;
        }
    }
}

state typing
{
    on_rez(integer start)
    {
        llResetScript();
    }

    timer()
    {
        if(!(llGetAgentInfo(llGetOwner()) & AGENT_TYPING))
        {
            llStopAnimation("a");
            state notTyping;
        }
    }
}