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 (msgcontains(msg, 'hi') and (focus == 0)) and getDistanceToCreature(cid) < 4 then
  		selfSay('Hello ' .. creatureGetName(cid) .. '! I sell crossbows (200gps), bows (100gps), arrows (100gps), bolts (150gps) and spears (100gps).')
		selfLook(cid)
  		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, 'crossbow') then
			buy(cid,2455,1,200)
		elseif msgcontains(msg, 'bow') then
			buy(cid,2456,1,100)
		elseif msgcontains(msg, 'arrows') then
			buy(cid,2544,100,100)
		elseif msgcontains(msg, 'bolts') then
			buy(cid,2543,100,150)
		elseif msgcontains(msg, 'spears') then
			buy(cid,2389,10,100)

		elseif msgcontains(msg, 'bye') and focus == cid and getDistanceToCreature(cid) < 4 then
			selfSay('Good bye, ' .. creatureGetName(cid) .. '!')
			focus = 0
			talk_start = 0
		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) > 5 then
selfSay('Good bye then.')
focus = 0
end
end
if focus == 0 then
cx, cy, cz = selfGetPosition()
randmove = math.random(1,20)
if randmove == 1 then
nx = cx + 1
end
if randmove == 2 then
nx = cx - 1
end
if randmove == 3 then
ny = cy + 1
end
if randmove == 4 then
ny = cy - 1
end
if randmove >= 5 then
nx = cx
ny = cy
end
moveToPosition(nx, ny, cz)
--summons = 30
--summons2 = 30
end
end  