[8.21] Npc

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)
  	if (msgcontains(msg, 'hi') and focus == 0) and getDistanceToCreature(cid) < 4 then
  		selfSay('Did you bring me Magic Paper?')
  		focus = cid
  		talk_start = os.clock()
  	elseif msgcontains(msg, 'hi') and (focus ~= cid) and getDistanceToCreature(cid) < 4 then
  		selfSay('Sorry, ' .. getCreatureName(cid) .. '! I talk to you in a minute.')
  	elseif focus == cid then
		talk_start = os.clock()
		if msgcontains(msg, 'yes') then
                			if doPlayerRemoveItem(cid,7491,1) then
			buy(cid,7491,1,0)
					doTeleportThing(cid,{x=1000,y=1000,z=7})
		else
			selfSay('Sorry, you dont have this item.')
			end
		elseif msgcontains(msg, 'magic paper') then
                			if doPlayerRemoveItem(cid,7491,1) then
			buy(cid,7491,1,0)
					doTeleportThing(cid,{x=1000,y=1000,z=7})
		else
			selfSay('Sorry, you dont have this item.')
			end
		elseif msgcontains(msg, 'bye') and getDistanceToCreature(cid) < 4 then
			selfSay('Good bye, ' .. getCreatureName(cid) .. '!')
			focus = 0
			talk_start = 0
		end
  	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(1)
		end 
		if ((myy-y==0) and (myx-x>=0 and myx-x<=4)) then
			selfTurn(3)
		end
		if ((myx-x==0) and (myy-y<=0 and myy-y>=-4)) then
			selfTurn(2)
		end
		if ((myx-x==0) and (myy-y>=0 and myy-y<=4)) then
			selfTurn(0)
		end
		if ((myy-y==-2) and (myx-x>=-1 and myx-x<=1)) then
			selfTurn(2)
		end
		if ((myy-y==2) and (myx-x>=-1 and myx-x<=1)) then
			selfTurn(0)
		end
		if ((myx-x==2) and (myy-y>=-1 and myy-y<=1)) then
			selfTurn(3)
		end
		if ((myx-x==-2) and (myy-y>=-1 and myy-y<=1)) then
			selfTurn(1)
		end
		if ((myy-y==-3) and (myx-x>=-2 and myx-x<=2)) then
			selfTurn(2)
		end
		if ((myy-y==3) and (myx-x>=-2 and myx-x<=2)) then
			selfTurn(0)
		end
		if ((myx-x==3) and (myy-y>=-2 and myy-y<=2)) then
			selfTurn(3)
		end
		if ((myx-x==-3) and (myy-y>=-2 and myy-y<=2)) then
			selfTurn(1)
		end
		if ((myy-y==-4) and (myx-x>=-3 and myx-x<=3)) then
			selfTurn(2)
		end
		if ((myy-y==4) and (myx-x>=-3 and myx-x<=3)) then
			selfTurn(0)
		end
		if ((myx-x==4) and (myy-y>=-3 and myy-y<=3)) then
			selfTurn(3)
		end
		if ((myx-x==-4) and (myy-y>=-3 and myy-y<=3)) then
			selfTurn(1)
		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) > 5 then
 			selfSay('Good bye then.')
 			focus = 0
 		end
 	end
end

local keywordHandler = KeywordHandler:new()
local npcHandler = NpcHandler:new(keywordHandler)
NpcSystem.parseParameters(npcHandler)
-- OTServ event handling functions start
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
-- OTServ event handling functions end
-- Don't forget npcHandler = npcHandler in the parameters. It is required for all StdModule functions!
local travelNode = keywordHandler:addKeyword({'enigma city'}, StdModule.say, {npcHandler = npcHandler, onlyFocus = true, text = 'Czy chcesz zapierdalac do Enigma City za 50 gold coins?'})
	travelNode:addChildKeyword({'yes'}, StdModule.travel, {npcHandler = npcHandler, premium = true, level = 0, cost = 50, destination = {x=942, y=978, z=6} })
	travelNode:addChildKeyword({'no'}, StdModule.say, {npcHandler = npcHandler, onlyFocus = true, reset = true, text = 'Too expensive, eh?'})
keywordHandler:addKeyword({'destination'}, StdModule.say, {npcHandler = npcHandler, onlyFocus = true, text = 'I can take you to \'Enigma City\' for just a small fee.'})
-- Makes sure the npc reacts when you say hi, bye etc.
npcHandler:addModule(FocusModule:new())