Preciso mudar um script de 7.81 para 8.54 ?? tem como ?

se tiver como alguem saiba mude esse script de npc para mim.

<?xml version="1.0"?>
<npc name="Anbu Medinin" script="data/npc/scripts/anbu medinin.lua" access="5" lookdir="3">
<mana now="800" max="800"/>
<health now="200" max="200"/>
<look type="65" head="2" body="95" legs="60" feet="132"/>
</npc>

focus = 0
talk_start = 0
target = 0
following = false
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)
if ((string.find(msg, '(%a*)hi(%a*)')) and (focus == 0)) and getDistanceToCreature(cid) < 4 then
 if getPlayerStorageValue(cid,853) < 1 then
  selfSay('Hello ' .. creatureGetName(cid) .. 'Voce Deseja Virar Anbu Medinin diga "sim".')
  focus = cid
  talk_start = os.clock()
 else
  selfSay('Hey! Leave out of there! You are a renegade ninja!')
  focus = 0
talk_start = 0
 end
elseif string.find(msg, '(%a*)hi(%a*)') 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, 'sim') and focus == cid then
 buy(cid,6273,1,0)
 buy(cid,6226,1,0)
 buy(cid,6260,1,0)
 setPlayerStorageValue(cid,200,1)
 setPlayerStorageValue(cid,5,1)
			learnSpell(cid,'anbu prision no jutsu',0)
			learnSpell(cid,'anbu heal',0)
			learnSpell(cid,'anbu shaikan',0)
			learnSpell(cid,'nippon anbu medical',0)
 selfSay('/makesay ' .. creatureGetName(cid) .. ',!cmot3416 65')
			doPlayerSetVocation(cid,3)
			 doPlayerSendTextMessage(cid,22,"You have been promoted to a Anbu Medinin.")
  talk_start = os.clock()
 end
 if msgcontains(msg, 'brown bread') and focus == cid then
  buy(cid,2691,1,8)
  talk_start = os.clock()
 end
 if msgcontains(msg, 'ham') and focus == cid then
  buy(cid,2671,1,8)
  talk_start = os.clock()
 end
 if msgcontains(msg, 'carrot') and focus == cid then
  buy(cid,2362,1,8)
  talk_start = os.clock()
 end
 if msgcontains(msg, 'meat') and focus == cid then
  buy(cid,2666,1,8)
  talk_start = os.clock()
 end
 if msgcontains(msg, 'apple') and focus == cid then
  buy(cid,2674,1,8)
  talk_start = os.clock()
 end
 if msgcontains(msg, 'brown mushroom') and focus == cid then
  buy(cid,2789,1,8)
  talk_start = os.clock()
 end
 if msgcontains(msg, 'egg') and focus == cid then
  buy(cid,2695,1,8)
  talk_start = os.clock()
 end
 if string.find(msg, '(%a*)bye(%a*)') and focus == cid and getDistanceToCreature(cid) < 3 then
  selfSay('Good bye, ' .. creatureGetName(cid) .. '!')
  focus = 0
  talk_start = 0
 end
end

function onCreatureChangeOutfit(creature)
end

function onThink()
if focus > 0 then
x, y, z = creatureGetPosition(focus)
myx, myy, myz = selfGetPosition()
if ((myy-y==0) and (myx-x<=0 and myx-x>=-4)) then
   selfTurn(0)
end
if ((myy-y==0) and (myx-x>=0 and myx-x<=4)) then
   selfTurn(2)
end
   if ((myx-x==0) and (myy-y<=0 and myy-y>=-4)) then
   selfTurn(1)
end
if ((myx-x==0) and (myy-y>=0 and myy-y<=4)) then
   selfTurn(3)
end
if ((myy-y==-2) and (myx-x>=-1 and myx-x<=1)) then
   selfTurn(1)
end
if ((myy-y==2) and (myx-x>=-1 and myx-x<=1)) then
	selfTurn(3)
end
if ((myx-x==2) and (myy-y>=-1 and myy-y<=1)) then
	selfTurn(2)
end
if ((myx-x==-2) and (myy-y>=-1 and myy-y<=1)) then
	selfTurn(0)
end
if ((myy-y==-3) and (myx-x>=-2 and myx-x<=2)) then
	selfTurn(1)
end
if ((myy-y==3) and (myx-x>=-2 and myx-x<=2)) then
	selfTurn(3)
end
if ((myx-x==3) and (myy-y>=-2 and myy-y<=2)) then
	selfTurn(2)
end
if ((myx-x==-3) and (myy-y>=-2 and myy-y<=2)) then
	selfTurn(0)
end
if ((myy-y==-4) and (myx-x>=-3 and myx-x<=3)) then
	selfTurn(1)
end
if ((myy-y==4) and (myx-x>=-3 and myx-x<=3)) then
	selfTurn(3)
end
if ((myx-x==4) and (myy-y>=-3 and myy-y<=3)) then
	selfTurn(2)
end
if ((myx-x==-4) and (myy-y>=-3 and myy-y<=3)) then
	selfTurn(0)
end
end
if focus == 0 then
randmove = math.random(1,50)
if randmove == 1 then
 selfMove(0)
end
if randmove == 2 then
 selfMove(1)
end
if randmove == 3 then
 selfMove(2)
end
if randmove == 4 then
 selfMove(3)
end
end
 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) > 3 then
  selfSay('Good bye then.')
  focus = 0
 end
end
end
end

Do rep ++ quem ajudar