function generate_available_tasks(npc,is_sim)
    local id = npc:id()
    if not (available_tasks[id]) then
  available_tasks[id] = {}
    else
  empty_table(available_tasks[id])
    end
    
    local tm = task_manager.get_task_manager()
    local task_info = tm.task_info
   
    local sec
    local st = db.storage[npc:id()]
    
    -- Randomly not offer any quests at all for sim npcs
    if (is_sim and st.dyn_quest_rand == nil) then
  if ( (math.random(1,100)/100) < 0.3) then
   st.dyn_quest_rand = "nil"
   return
  end
    end
    
    if (st and st.ini and st.section_logic) then
        sec = st.ini:r_string_ex(st.section_logic,"task_section")
        if (sec) then
            sec = sec .. "_task_"
        end
    end
   
    if not (sec) then
        sec = is_sim and "simulation_task_" or npc:section() ~= "m_trader" and npc:section().."_task_" or npc:name().."_task_"
    end
   
    local task_id = sec.."1"
   
    local t
    local count = 1
    while (task_manager.task_ini:section_exist(task_id)) do
        --printf("task_id=%s skipped=%s",task_id,skipped_tasks[task_id])
        if (task_info[task_id] == nil and xr_conditions.has_completed_task_prerequisites(nil,nil,{task_id})) then
   if (is_sim) then
    local p = alun_utils.parse_list(task_manager.task_ini,task_id,"sim_communities",true)
    if (p[character_community(npc)] == true) then
     if not (t) then
      t = {}
     end
     
     if (st.dyn_quest_rand == task_id) then
      table.insert(available_tasks[id],task_id)
      return
     elseif (st.dyn_quest_rand == nil) then
      table.insert(t,task_id)
     end
    end
   else
    table.insert(available_tasks[id],task_id)
   end
        end
        count = count + 1
        task_id = sec..tostring(count)
    end
    
    -- randomize available tasks from sim npcs and only offer 1 job; remembing this job until NPC go offline
    if (t and #t > 0) then
  st.dyn_quest_rand = t[math.random(#t)]
  table.insert(available_tasks[id],st.dyn_quest_rand)
    end
end