NPC Freeze at 10 people talking with him.

[Fresh]

Hello.
I've little problem.
When like ~10 peoples talking to NPC, he going freeze - not responding and staying (not walking).

TFS 0.3.5pl1
Anyone can fix this problem ?
REPPP+++

Here's script:

local focus = 0
local talk_start = 0
local target = 0
local following = false
local attacking = false

function onThingMove(creature, thing, oldpos, oldstackpos)

end


function onCreatureAppear(creature)

end


function onCreatureDisappear(cid, pos)
  if focus == cid then
          selfSay('Good bye then.')
          focus = 0
          talk_start = 0
  end
end


function onCreatureTurn(creature)

end


function msgcontains(txt, str)
  return (string.find(txt, str) and not string.find(txt, '(%w+)' .. str) and not string.find(txt, str .. '(%w+)'))
end


function onCreatureSay(cid, type, msg)
  msg = string.lower(msg)

  -- greeting phrase
if string.find(msg, '(%a*)hi(%a*)') and focus == 0 and string.len(msg) == 2 and getDistanceToCreature(cid) < 4 then
    selfSay('Welcome in my house! My name is Oracle, i can teleport you to main land!')
    focus = cid
  talk_start = os.clock()

elseif msgcontains(msg, 'hi') and (focus ~= cid) and getDistanceToCreature(cid) < 4 then
    selfSay('Sorry, ' .. creatureGetName(cid) .. '! I talk to you in a minute.')

elseif focus == cid then
  talk_start = os.clock()




   if msgcontains(msg, 'leave') then
        if getPlayerLevel(cid) >= 8 then
            selfSay('Are you sure?')
             talk_state = 459
        else
            selfSay('Sorry, you need level 8 to leave rookgaard.')
            talk_state = 0
        end


   elseif talk_state == 459 then

if msgcontains(msg, 'yes') then
if getPlayerLevel(cid) >= 8 then

goku = {x=725, y=505, z=6}
vegeta = {x=496, y=476, z=7}
trunk = {x=496, y=476, z=7}
brolly = {x=380, y=301, z=6}
bubu = {x=340, y=734, z=8}
freezer = {x=800, y=90, z=6}
cell = {x=674, y=216, z=8}
gohan = {x=725, y=505, z=6}
bardock = {x=380, y=301, z=6}
piccolo = {x=936, y=194, z=5}

    if getPlayerVocation(cid) == 1 then -- Goku
	doPlayerSetTown(cid,2)
	doTeleportThing(cid,goku)
        selfSay('See Ya !')


    elseif getPlayerVocation(cid) == 8 then -- Vegeta
    	doPlayerSetTown(cid,2)
	doTeleportThing(cid,vegeta)
        selfSay('See Ya')


    elseif getPlayerVocation(cid) == 19 then -- Trunk
    	doPlayerSetTown(cid,2)
	doTeleportThing(cid,trunk)
        selfSay('See Ya')

    elseif getPlayerVocation(cid) == 27 then -- Brolly
    	doPlayerSetTown(cid,1)
	doTeleportThing(cid,brolly)
        selfSay('See Ya')
        
    elseif getPlayerVocation(cid) == 35 then -- Bubu
    	doPlayerSetTown(cid,2)
	doTeleportThing(cid,bubu)
        selfSay('See Ya')

    elseif getPlayerVocation(cid) == 43 then -- Freezer
    	doPlayerSetTown(cid,2)
	doTeleportThing(cid,freezer)
        selfSay('See Ya')

    elseif getPlayerVocation(cid) == 55 then -- Cell
    	doPlayerSetTown(cid,2)
	doTeleportThing(cid,cell)
        selfSay('See Ya')

    elseif getPlayerVocation(cid) == 63 then -- Gohan
    	doPlayerSetTown(cid,2)
	doTeleportThing(cid,gohan)
        selfSay('See Ya')

    elseif getPlayerVocation(cid) == 71 then -- Bardock
    	doPlayerSetTown(cid,2)
	doTeleportThing(cid,bardock)
        selfSay('See Ya')

    elseif getPlayerVocation(cid) == 79 then -- Piccolo
    	doPlayerSetTown(cid,2)
	doTeleportThing(cid,piccolo)
        selfSay('See Ya')


  elseif msgcontains(msg, 'bye') and getDistanceToCreature(cid) < 4 then
  selfSay('Good bye, ' .. creatureGetName(cid) .. '!')
  focus = 0
  talk_start = 0
  end
end
end
end
end
end


function onCreatureChangeOutfit(creature)

end


function onThink()

if (os.clock() - talk_start) > 30 then
    if focus > 0 then
    selfSay('Next Please...')
    end
    focus = 0
  end
  if focus ~= 0 then
  if getDistanceToCreature(focus) > 2 then
    selfSay('Good bye then.')
    focus = 0
  end
  end
end

 

[Cykotitan]

?! ?!
that npc can only talk to 1 person at a time

local keywordHandler = KeywordHandler:new()
local npcHandler = NpcHandler:new(keywordHandler)
NpcSystem.parseParameters(npcHandler)

local Topic = {}
local t = {
-- [voc] = {town, teleportPos},
	 [1] = {2, {x=725, y=505, z=6}}, -- goku
	 [8] = {2, {x=496, y=476, z=7}}, -- vegeta
	[19] = {2, {x=496, y=476, z=7}}, -- trunk
	[27] = {1, {x=380, y=301, z=6}}, -- brolly
	[35] = {2, {x=340, y=734, z=8}}, -- bubu
	[43] = {2, {x=800, y=90, z=6}}, -- freezer
	[55] = {2, {x=674, y=216, z=8}}, -- cell
	[63] = {2, {x=725, y=505, z=6}}, -- gohan
	[71] = {2, {x=380, y=301, z=6}}, -- bardock
	[79] = {2, {x=936, y=194, z=5}} -- piccolo
}

function onCreatureAppear(cid)		npcHandler:onCreatureAppear(cid) end
function onCreatureDisappear(cid) 	npcHandler:onCreatureDisappear(cid) end
function onCreatureSay(cid, type, msg) 	npcHandler:onCreatureSay(cid, type, msg) end
function onThink() 			npcHandler:onThink() end

function greetCallback(cid)
	Topic[cid] = 0
	return true
end

function creatureSayCallback(cid, type, msg)
	if not npcHandler:isFocused(cid) then
		return false
	elseif msgcontains(msg, 'leave') or msgcontains(msg, 'teleport') or msgcontains(msg, 'transport') then
		if getPlayerLevel(cid) >= 8 then
			selfSay('Are you sure?', cid)
			Topic[cid] = 1
		else
			selfSay('Sorry, you need level 8 to leave rookgaard.')
			Topic[cid] = 0
		end
	elseif Topic[cid] == 1 and msgcontains(msg, 'yes') then
		local v = t[getPlayerVocation(cid)]
		doPlayerSetTown(cid, v[1])
		doSendMagicEffect(getThingPos(cid), CONST_ME_TELEPORT)
		doTeleportThing(cid, v[2])
		doSendMagicEffect(v[2], CONST_ME_TELEPORT)
		selfSay('See ya\'!')
	end
	return true
end

npcHandler:setMessage(MESSAGE_GREET, "Welcome in my house, |PLAYERNAME|! My name is Oracle, I can {teleport} you to main land!")
npcHandler:setCallback(CALLBACK_GREET, greetCallback)
npcHandler:setCallback(CALLBACK_MESSAGE_DEFAULT, creatureSayCallback)
npcHandler:addModule(FocusModule:new())