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Lua NPC sell each time other mushrooms

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Katrx

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Hello
Is there anyone here who could help me in edit NPC to sell random mushrooms?
I tried to edit the Santa Claus script but nothing came out of it

Code: 
dofile(getDataDir() .. 'npc/scripts/lib/greeting.lua')

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

-- OTServ event handling functions
function onCreatureAppear(cid)            npcHandler:eek:nCreatureAppear(cid)            end
function onCreatureDisappear(cid)        npcHandler:eek:nCreatureDisappear(cid)            end
function onCreatureSay(cid, type, msg)        npcHandler:eek:nCreatureSay(cid, type, msg)        end
function onThink()                npcHandler:eek:nThink()                    end

local shopModule = ShopModule:new()
npcHandler:addModule(shopModule)

shopModule:addBuyableItem({'white mushroom'}, 2787, 10)
shopModule:addBuyableItem({'red mushroom'}, 2788, 10)
shopModule:addBuyableItem({'brown mushroom'}, 2789, 10)
shopModule:addBuyableItem({'orange mushroom'}, 2790, 10)
shopModule:addBuyableItem({'wood mushroom'}, 2791, 10)
shopModule:addBuyableItem({'dark mushroom'}, 2792, 10)
shopModule:addBuyableItem({'some mushroom'}, 2793, 10)
shopModule:addBuyableItem({'some mushroom'}, 2794, 10)
shopModule:addBuyableItem({'fire mushroom'}, 2795, 10)
shopModule:addBuyableItem({'green mushroom'}, 2796, 10)
 
keywordHandler:addKeyword({'time'}, StdModule.say, {npcHandler = npcHandler, onlyFocus = true, text = "Watch the sky, it will tell you."})

npcHandler:setCallback(CALLBACK_MESSAGE_DEFAULT, creatureSayCallback)
npcHandler:addModule(FocusModule:new())
 
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You can try this out. It's a bit hackish

Lua: 
dofile(getDataDir() .. 'npc/scripts/lib/greeting.lua')

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

-- OTServ event handling functions
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

local shopModule = ShopModule:new()

local meta = getmetatable(shopModule)
local onConfirm = meta.onConfirm
function meta.onConfirm(cid, message, keywords, parameters, node)
    if shop_itemid[cid] == 0 then
        local items = {}
        for i = 1, #npcHandler.shopItems do
            local shopItem = npcHandler.shopItems[i]
            if shopItem.id ~= 0 then
                items[#items + 1] = shopItem.id
            end
        end
        shop_itemid[cid] = items[math.random(#items)]
    end

    return onConfirm(cid, message, keywords, parameters, node)
end

npcHandler:addModule(shopModule)

shopModule:addBuyableItem({'white mushroom'}, 2787, 10)
shopModule:addBuyableItem({'red mushroom'}, 2788, 10)
shopModule:addBuyableItem({'brown mushroom'}, 2789, 10)
shopModule:addBuyableItem({'orange mushroom'}, 2790, 10)
shopModule:addBuyableItem({'wood mushroom'}, 2791, 10)
shopModule:addBuyableItem({'dark mushroom'}, 2792, 10)
shopModule:addBuyableItem({'some mushroom'}, 2793, 10)
shopModule:addBuyableItem({'some mushroom'}, 2794, 10)
shopModule:addBuyableItem({'fire mushroom'}, 2795, 10)
shopModule:addBuyableItem({'green mushroom'}, 2796, 10)
shopModule:addBuyableItem({'food'}, 0, 10, nil, 'random mushroom')
shopModule:addBuyableItem({'mushroom'}, 0, 10, nil, 'random mushroom')

keywordHandler:addKeyword({'time'}, StdModule.say, {npcHandler = npcHandler, onlyFocus = true, text = "Watch the sky, it will tell you."})

npcHandler:setCallback(CALLBACK_MESSAGE_DEFAULT, creatureSayCallback)
npcHandler:addModule(FocusModule:new())
 
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Summ said:
You can try this out. It's a bit hackish
Click to expand...
12:56 Anerui: Do you want to buy random mushroom for 10 gold coins?

After writing "yes" the NPC does not respond and the console pops errors

Code: 
Lua Script Error: [Npc interface]
data/npc/scripts/Anerui.lua:onCreatureSay
data/npc/scripts/Anerui.lua:18: attempt to index global 'shop_itemid' (a nil value)
stack traceback:
        data/npc/scripts/Anerui.lua:18: in function 'callback'
        data/npc/scripts/lib/npcsystem/keywordhandler.lua:47: in function 'processMessage'
        data/npc/scripts/lib/npcsystem/keywordhandler.lua:180: in function 'processNodeMessage'
        data/npc/scripts/lib/npcsystem/keywordhandler.lua:133: in function 'processMessage'
        data/npc/scripts/lib/npcsystem/npchandler.lua:298: in function 'onCreatureSay'
        data/npc/scripts/Anerui.lua:10: in function <data/npc/scripts/Anerui.lua:10>

keywordhandler.lua:47
Code: 
return (self.callback == nil or self.callback(cid, message, self.keywords, self.parameters, self))
keywordhandler.lua:180
Code: 
if(childNode:processMessage(cid, message)) then
keywordhandler.lua:133
Code: 
local ret = self:processNodeMessage(node, cid, message)
keywordhandler.lua - Pastebin.com

npchandler.lua:298
Code: 
local ret = self.keywordHandler:processMessage(cid, msg)
npchandler.lua - Pastebin.com
 
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If he's buying the mushroom via text.. why not just use a table?
Code: 
local mushrooms ={1111, 2222, 3333}
local rand = math.random(#mushrooms)
doPlayerAddItem(cid, mushrooms[rand], 1)
 
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@Xikini Could you help with this code?
After pasting I get something like this
Code: 
Lua Script Error: [Npc interface]
data/npc/scripts/Anerui.lua
LuaScriptInterface::luaDoPlayerAddItem(). Player not found

Code: 
dofile(getDataDir() .. 'npc/scripts/lib/greeting.lua')

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

-- OTServ event handling functions
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

local shopModule = ShopModule:new()

local mushrooms ={2787, 2788, 2789, 2790, 2791, 2792, 2793, 2794, 2795, 2796}
local rand = math.random(#mushrooms)
doPlayerAddItem(cid, mushrooms[rand], 1)

npcHandler:setCallback(CALLBACK_MESSAGE_DEFAULT, creatureSayCallback)
npcHandler:addModule(FocusModule:new())
 
Upvote 0 Downvote
Katrx said:
@Xikini Could you help with this code?
After pasting I get something like this
Code: 
Lua Script Error: [Npc interface]
data/npc/scripts/Anerui.lua
LuaScriptInterface::luaDoPlayerAddItem(). Player not found

Code: 
dofile(getDataDir() .. 'npc/scripts/lib/greeting.lua')

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

-- OTServ event handling functions
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

local shopModule = ShopModule:new()

local mushrooms ={2787, 2788, 2789, 2790, 2791, 2792, 2793, 2794, 2795, 2796}
local rand = math.random(#mushrooms)
doPlayerAddItem(cid, mushrooms[rand], 1)

npcHandler:setCallback(CALLBACK_MESSAGE_DEFAULT, creatureSayCallback)
npcHandler:addModule(FocusModule:new())
Click to expand...
It's generally not a good practice to tag someone (@Katrx) directly. :p

@topic, The server doesn't know who cid is, because you never tell the npc who it's talking to.

I'll post an npc script I use on my TFS 0.3.7 server.
Hopefully it works for you.

https://otland.net/threads/Simple_Base_NPC_0_3_7.241103/#post-2331741

Lua: 
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 greet(cid)   talkState[cid] = 0   return true end

function getNpcName()
    return getCreatureName(getNpcId())
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, "job") then
        selfSay("My job is to show the world how fashionable they can be!", cid)

    elseif msgcontains(msg, "name") then
        selfSay("My name is " .. getNpcName() .. ".", cid)

    elseif msgcontains(msg, "mushroom") then
        local mushrooms = {2787, 2788, 2789, 2790, 2791, 2792, 2793, 2794, 2795, 2796}
        local rand = math.random(#mushrooms)
        doPlayerAddItem(cid, mushrooms[rand], 1)
        selfSay("You have been given a random mushoom!", cid)

    end
    return true
end

npcHandler:setCallback(CALLBACK_GREET, greet)
npcHandler:setCallback(CALLBACK_MESSAGE_DEFAULT, creatureSayCallback)
npcHandler:addModule(FocusModule:new())
 
Last edited:
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