exchanger.lua (data/npc/scripts):
local tab = {
[1] = {voc = 5, item = {1234, 5}, sto = {12345, 1}, -- [paraqualvocID] = {voc = novavocID, item {itemID, count}, sto = {storage, valordastorage}},
[2] = {voc = 6, item = {1234, 5}, sto = {12345, 1},
[3] = {voc = 7, item = {1234, 5}, sto = {12345, 1},
[4] = {voc = 8, item = {1234, 5}, sto = {12345, 1}
}
local keywordHandler = KeywordHandler:new()
local npcHandler = NpcHandler:new(keywordHandler)
NpcSystem.parseParameters(npcHandler)
local talkState = {}
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 creatureSayCallback(cid, type, msg)
if (not npcHandler:isFocused(cid)) then
return false
end
local talkUser = NPCHANDLER_CONVbehavior == CONVERSATION_DEFAULT and 0 or cid
if(msgcontains(msg, 'favor')) then
talkState[talkUser] = 1
selfSay('You need to bring me '..tab[getPlayerVocation].item[2]..' '..getItemNameById(tab[getPlayerVocation].item[1])..' and then I can {change} your vocation.', cid)
elseif(msgcontains(msg, 'change') and talkState[talkUser] == 1) then
talkState[talkUser] = 2
selfSay('Are you sure you want to do this change?', cid)
elseif(msgcontains(msg, 'yes') and talkState[talkUser] == 2) then
if(getPlayerVocation(cid) ~= tab[getPlayerVocation(cid)].voc) then
if(tab[getPlayerVocation(cid)] and getPlayerStorageValue(cid, tab[getPlayerVocation(cid)].sto[1]) > tab[getPlayerVocation(cid)].sto[2]) then
if(doPlayerRemoveItem(cid, tab[getPlayerVocation(cid)].item[1], tab[getPlayerVocation(cid)].item[2]) == true) then
talkState[talkUser] = 0
doPlayerSetVocation(cid, tab[getPlayerVocation(cid)].voc)
doSendMagicEffect(getThingPos(cid), CONST_ME_GIFT_WRAPS)
else
talkState[talkUser] = 0
selfSay('You do not have the required items.', cid)
end
else
talkState[talkUser] = 0
selfSay('You can not change your vocation.', cid)
end
else
talkState[talkUser] = 0
selfSay('You already have changed your vocation.', cid)
end
elseif(msgcontains(msg, 'no')) then
talkState[talkUser] = 0
selfSay('Sure. Goodbye!', cid)
end
return true
end
npcHandler:setCallback(CALLBACK_MESSAGE_DEFAULT, creatureSayCallback)
npcHandler:addModule(FocusModule:new())
Exchanger.xml (data/npc):
<npc name="Exchanger" script="data/npc/scripts/exchanger.lua" access="5" lookdir="1">
<health now="1000" max="1000"/>
<look type="133" head="39" body="113" legs="38" feet="0" addons="3"/>
<parameters>
<parameter key="message_greet" value="Hello |PLAYERNAME|. I can change your vocation but before I need a {favor}." />
</parameters>
</npc>