Ограничение в использовании способности

public CmdStart(id)
{
    static button, oldbutton
    button = pev(id, pev_button)
    oldbutton = pev(id, pev_oldbuttons)

    if(is_user_alive(id))
        if (zp_get_user_zombie(id) && (zp_get_user_zombie_class(id) == g_SuicideZ))
        {
            if(button & IN_USE && !(oldbutton & IN_USE))
            {
                message_begin(MSG_ONE, g_msgBarTime, _, id)
                write_byte(get_pcvar_num(cvar_explotime))
                write_byte(0)
                message_end()

                set_task(get_pcvar_float(cvar_explotime), "Explo", id+TASK_BARTIME)
            }

            if(oldbutton & IN_USE && !(button & IN_USE))
                set_task(0.1, "remove_bartime", id)
        }

    return PLUGIN_HANDLED
}

if(is_user_alive(id))
        if (zp_get_user_first_zombie(id) || zp_get_user_last_zombie(id))
            print_chatColor(id, "^4[ZP]^1 Способность недоступна первому и последнему зомби!")
        else if (zp_get_user_zombie(id) && (zp_get_user_zombie_class(id) == g_SuicideZ))
        {
            if(button & IN_USE && !(oldbutton & IN_USE))
            {
                message_begin(MSG_ONE, g_msgBarTime, _, id)
                write_byte(get_pcvar_num(cvar_explotime))
                write_byte(0)
                message_end()

                set_task(get_pcvar_float(cvar_explotime), "Explo", id+TASK_BARTIME)
            }

            if(oldbutton & IN_USE && !(button & IN_USE))
                set_task(0.1, "remove_bartime", id)
        }