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Lua TFS 1.X a nil value

Manigold

Manigold

Active Member
Joined
Nov 2, 2017
Messages
198
Solutions
8
Reaction score
48
I'm having a problem ,(line 22 :attempt to index local 'conjureItem' <a nil value>)
With this function :

Lua: 
function Player:conjureItem(reagentId, conjureId, conjureCount, effect)
    if not conjureCount and conjureId ~= 0 then
        local itemType = ItemType(conjureId)
        if itemType:getId() == 0 then
            return false
        end

        local charges = itemType:getCharges()
        if charges ~= 0 then
            conjureCount = charges
        end
    end

    local conjureItem = self:getItemById(reagentId, true, -1)

    if reagentId ~= 0 and not conjureItem then
        self:sendCancelMessage(RETURNVALUE_YOUNEEDAMAGICITEMTOCASTSPELL)
        self:getPosition():sendMagicEffect(CONST_ME_POFF)
        return false
    end

    local item = conjureItem:getParent():addItem(conjureId, conjureCount)
    if not item then
        item = self:addItem(conjureId, conjureCount)
        if not item then
            self:sendCancelMessage(RETURNVALUE_NOTPOSSIBLE)
            self:getPosition():sendMagicEffect(CONST_ME_POFF)
            return false
        end
    end

    if item:hasAttribute(ITEM_ATTRIBUTE_DURATION) then
        item:decay()
    end

    conjureItem:remove(1)
    self:getPosition():sendMagicEffect(item:getType():isRune() and CONST_ME_MAGIC_RED or effect)
    return true
end
 
Solution
River KA
Manigold said:
Same error in line 281.

With this code the items are conjured with the magic effect ,but another error occurs:

View attachment 67417
Click to expand...

Send me your Discord through PM. Here it works, don't know why it is not working for you.

---

Edit: Upgrade it to handle with stackable runes.

Lua: 
function Player:conjureItem(reagentId, conjureId, conjureCount, effect)
  -- Ensures conjureCount
  if not conjureCount and conjureId ~= 0 then
    local itemType = ItemType(conjureId)
    if itemType:getId() == 0 then
      return false
    end

    local charges = itemType:getCharges()
    if charges ~= 0 then
      conjureCount = charges
    end
  end

  local conjureItem

  -- A reagent id is needed
  if reagentId ~= 0 then
    conjureItem =...
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Could you explain what this text does?
Manigold said:
I'm having a problem ,(line 22 :attempt to index local 'conjureItem' <a nil value>)
With this function :

Lua: 
function Player:conjureItem(reagentId, conjureId, conjureCount, effect)
    if not conjureCount and conjureId ~= 0 then
        local itemType = ItemType(conjureId)
        if itemType:getId() == 0 then
            return false
        end

        local charges = itemType:getCharges()
        if charges ~= 0 then
            conjureCount = charges
        end
    end

    local conjureItem = self:getItemById(reagentId, true, -1)

    if reagentId ~= 0 and not conjureItem then
        self:sendCancelMessage(RETURNVALUE_YOUNEEDAMAGICITEMTOCASTSPELL)
        self:getPosition():sendMagicEffect(CONST_ME_POFF)
        return false
    end

    local item = conjureItem:getParent():addItem(conjureId, conjureCount)
    if not item then
        item = self:addItem(conjureId, conjureCount)
        if not item then
            self:sendCancelMessage(RETURNVALUE_NOTPOSSIBLE)
            self:getPosition():sendMagicEffect(CONST_ME_POFF)
            return false
        end
    end

    if item:hasAttribute(ITEM_ATTRIBUTE_DURATION) then
        item:decay()
    end

    conjureItem:remove(1)
    self:getPosition():sendMagicEffect(item:getType():isRune() and CONST_ME_MAGIC_RED or effect)
    return true
end
Click to expand...
 
Upvote 0 Downvote
Manigold said:
I'm having a problem ,(line 22 :attempt to index local 'conjureItem' <a nil value>)
With this function :

Lua: 
function Player:conjureItem(reagentId, conjureId, conjureCount, effect)
    if not conjureCount and conjureId ~= 0 then
        local itemType = ItemType(conjureId)
        if itemType:getId() == 0 then
            return false
        end

        local charges = itemType:getCharges()
        if charges ~= 0 then
            conjureCount = charges
        end
    end

    local conjureItem = self:getItemById(reagentId, true, -1)

    if reagentId ~= 0 and not conjureItem then
        self:sendCancelMessage(RETURNVALUE_YOUNEEDAMAGICITEMTOCASTSPELL)
        self:getPosition():sendMagicEffect(CONST_ME_POFF)
        return false
    end

    local item = conjureItem:getParent():addItem(conjureId, conjureCount)
    if not item then
        item = self:addItem(conjureId, conjureCount)
        if not item then
            self:sendCancelMessage(RETURNVALUE_NOTPOSSIBLE)
            self:getPosition():sendMagicEffect(CONST_ME_POFF)
            return false
        end
    end

    if item:hasAttribute(ITEM_ATTRIBUTE_DURATION) then
        item:decay()
    end

    conjureItem:remove(1)
    self:getPosition():sendMagicEffect(item:getType():isRune() and CONST_ME_MAGIC_RED or effect)
    return true
end
Click to expand...
Lua: 
function Player:conjureItem(reagentId, conjureId, conjureCount, effect)
    if not conjureCount and conjureId ~= 0 then
        local itemType = ItemType(conjureId)
        if itemType:getId() == 0 then
            return false
        end

        local charges = itemType:getCharges()
        if charges ~= 0 then
            conjureCount = charges
        end
    end

    local conjureItem = self:getItemById(reagentId, true, -1)
    if reagentId ~= 0 and not conjureItem then
        self:sendCancelMessage(RETURNVALUE_YOUNEEDAMAGICITEMTOCASTSPELL)
        self:getPosition():sendMagicEffect(CONST_ME_POFF)
        return false
    end

    local item = conjureItem:getParent():addItem(conjureId, conjureCount)
    if not item then
        item = self:addItem(conjureId, conjureCount)
        if not item then
            self:sendCancelMessage(RETURNVALUE_NOTPOSSIBLE)
            self:getPosition():sendMagicEffect(CONST_ME_POFF)
            return false
        end
    end

    if item:hasAttribute(ITEM_ATTRIBUTE_DURATION) then
        item:decay()
    end

    conjureItem:remove(1)
    self:getPosition():sendMagicEffect(item:getType():isRune() and CONST_ME_MAGIC_RED or effect)
    return true
end
 
Upvote 0 Downvote
abdala ragab said:
Lua: 
function Player:conjureItem(reagentId, conjureId, conjureCount, effect)
    if not conjureCount and conjureId ~= 0 then
        local itemType = ItemType(conjureId)
        if itemType:getId() == 0 then
            return false
        end

        local charges = itemType:getCharges()
        if charges ~= 0 then
            conjureCount = charges
        end
    end

    local conjureItem = self:getItemById(reagentId, true, -1)
    if reagentId ~= 0 and not conjureItem then
        self:sendCancelMessage(RETURNVALUE_YOUNEEDAMAGICITEMTOCASTSPELL)
        self:getPosition():sendMagicEffect(CONST_ME_POFF)
        return false
    end

    local item = conjureItem:getParent():addItem(conjureId, conjureCount)
    if not item then
        item = self:addItem(conjureId, conjureCount)
        if not item then
            self:sendCancelMessage(RETURNVALUE_NOTPOSSIBLE)
            self:getPosition():sendMagicEffect(CONST_ME_POFF)
            return false
        end
    end

    if item:hasAttribute(ITEM_ATTRIBUTE_DURATION) then
        item:decay()
    end

    conjureItem:remove(1)
    self:getPosition():sendMagicEffect(item:getType():isRune() and CONST_ME_MAGIC_RED or effect)
    return true
end
Click to expand...
Did you post the right code?Cause the only difference is that you removed the line 15.
 
Upvote 0 Downvote
Replace

Lua: 
local conjureItem = self:getItemById(reagentId, true, -1)
    if reagentId ~= 0 and not conjureItem then
        self:sendCancelMessage(RETURNVALUE_YOUNEEDAMAGICITEMTOCASTSPELL)
        self:getPosition():sendMagicEffect(CONST_ME_POFF)
        return false
    end

    local item = conjureItem:getParent():addItem(conjureId, conjureCount)
    if not item then
        item = self:addItem(conjureId, conjureCount)
        if not item then
            self:sendCancelMessage(RETURNVALUE_NOTPOSSIBLE)
            self:getPosition():sendMagicEffect(CONST_ME_POFF)
            return false
        end
    end

with

Lua: 
if reagentId ~= 0 and not self:removeItem(reagentId, 1, -1) then
        self:sendCancelMessage(RETURNVALUE_YOUNEEDAMAGICITEMTOCASTSPELL)
        self:getPosition():sendMagicEffect(CONST_ME_POFF)
        return false
    end

    local item = self:addItem(conjureId, conjureCount)
    if not item then
        self:sendCancelMessage(RETURNVALUE_NOTPOSSIBLE)
        self:getPosition():sendMagicEffect(CONST_ME_POFF)
        return false
    end

and try again.
 
Upvote 0 Downvote
Loney said:
Replace

Lua: 
local conjureItem = self:getItemById(reagentId, true, -1)
    if reagentId ~= 0 and not conjureItem then
        self:sendCancelMessage(RETURNVALUE_YOUNEEDAMAGICITEMTOCASTSPELL)
        self:getPosition():sendMagicEffect(CONST_ME_POFF)
        return false
    end

    local item = conjureItem:getParent():addItem(conjureId, conjureCount)
    if not item then
        item = self:addItem(conjureId, conjureCount)
        if not item then
            self:sendCancelMessage(RETURNVALUE_NOTPOSSIBLE)
            self:getPosition():sendMagicEffect(CONST_ME_POFF)
            return false
        end
    end

with

Lua: 
if reagentId ~= 0 and not self:removeItem(reagentId, 1, -1) then
        self:sendCancelMessage(RETURNVALUE_YOUNEEDAMAGICITEMTOCASTSPELL)
        self:getPosition():sendMagicEffect(CONST_ME_POFF)
        return false
    end

    local item = self:addItem(conjureId, conjureCount)
    if not item then
        self:sendCancelMessage(RETURNVALUE_NOTPOSSIBLE)
        self:getPosition():sendMagicEffect(CONST_ME_POFF)
        return false
    end

and try again.
Click to expand...
It does work ,but i was trying to keep the runes in the same position on the backpack.
otland.net

TFS 1.X+ - Runes go up to main backpack when crafted [TFS 1.2]

Hi everyone, does anyone know how to fix this?. Greetings Use tfs 1.2
otland.net otland.net
 
Upvote 0 Downvote
Replace

Lua: 
local conjureItem = self:getItemById(reagentId, true, -1)
    if reagentId ~= 0 and not conjureItem then
        self:sendCancelMessage(RETURNVALUE_YOUNEEDAMAGICITEMTOCASTSPELL)
        self:getPosition():sendMagicEffect(CONST_ME_POFF)
        return false
    end

    local item = conjureItem:getParent():addItem(conjureId, conjureCount)
    if not item then
        item = self:addItem(conjureId, conjureCount)
        if not item then
            self:sendCancelMessage(RETURNVALUE_NOTPOSSIBLE)
            self:getPosition():sendMagicEffect(CONST_ME_POFF)
            return false
        end
    end

with

Lua: 
local conjureItem = self:getItemById(reagentId, true, -1)
    if reagentId ~= 0 and not conjureItem then
        self:sendCancelMessage(RETURNVALUE_YOUNEEDAMAGICITEMTOCASTSPELL)
        self:getPosition():sendMagicEffect(CONST_ME_POFF)
        return false
else
conjureItem:transform(conjureId, conjureCount)
    end
 
Upvote 0 Downvote
Peonso said:
Replace

Lua: 
local conjureItem = self:getItemById(reagentId, true, -1)
    if reagentId ~= 0 and not conjureItem then
        self:sendCancelMessage(RETURNVALUE_YOUNEEDAMAGICITEMTOCASTSPELL)
        self:getPosition():sendMagicEffect(CONST_ME_POFF)
        return false
    end

    local item = conjureItem:getParent():addItem(conjureId, conjureCount)
    if not item then
        item = self:addItem(conjureId, conjureCount)
        if not item then
            self:sendCancelMessage(RETURNVALUE_NOTPOSSIBLE)
            self:getPosition():sendMagicEffect(CONST_ME_POFF)
            return false
        end
    end

with

Lua: 
local conjureItem = self:getItemById(reagentId, true, -1)
    if reagentId ~= 0 and not conjureItem then
        self:sendCancelMessage(RETURNVALUE_YOUNEEDAMAGICITEMTOCASTSPELL)
        self:getPosition():sendMagicEffect(CONST_ME_POFF)
        return false
else
conjureItem:transform(conjureId, conjureCount)
    end
Click to expand...
Same error.
nil value.png
 
Upvote 0 Downvote
Code: 
local conjureItem = self:getItemById(reagentId, true)
if reagentId ~= 0 and not conjureItem then
    self:sendCancelMessage(RETURNVALUE_YOUNEEDAMAGICITEMTOCASTSPELL)
    self:getPosition():sendMagicEffect(CONST_ME_POFF)
    return false
else
    self:getItemById(reagentId, true):transform(conjureId, conjureCount)
end
 
Upvote 0 Downvote
Peonso said:
Code: 
local conjureItem = self:getItemById(reagentId, true)
if reagentId ~= 0 and not conjureItem then
    self:sendCancelMessage(RETURNVALUE_YOUNEEDAMAGICITEMTOCASTSPELL)
    self:getPosition():sendMagicEffect(CONST_ME_POFF)
    return false
else
    self:getItemById(reagentId, true):transform(conjureId, conjureCount)
end
Click to expand...
Another error now:
nil value.png
Edit:
Sorry i cut the lines from the pic the line 271 is this one
Lua: 
self:getItemById(reagentId, true):transform(conjureId, conjureCount)
 
Upvote 0 Downvote
Manigold said:
Another error now:
View attachment 67290
Edit:
Sorry i cut the lines from the pic the line 271 is this one
Lua: 
self:getItemById(reagentId, true):transform(conjureId, conjureCount)
Click to expand...
Code: 
    local conjureItem = self:getItemById(reagentId, true, -1)
    if reagentId ~= 0 and not conjureItem then
        self:sendCancelMessage(RETURNVALUE_YOUNEEDAMAGICITEMTOCASTSPELL)
        self:getPosition():sendMagicEffect(CONST_ME_POFF)
        return false
    elseif reagentId ~= 0 and conjureItem then
        self:getItemById(reagentId, true, -1):transform(conjureId, conjureCount)
    else
        local item = self:addItem(conjureId, conjureCount)
        if not item then
            self:sendCancelMessage(RETURNVALUE_NOTPOSSIBLE)
            self:getPosition():sendMagicEffect(CONST_ME_POFF)
            return false
        end
    end
 
Upvote 0 Downvote
Peonso said:
Code: 
    local conjureItem = self:getItemById(reagentId, true, -1)
    if reagentId ~= 0 and not conjureItem then
        self:sendCancelMessage(RETURNVALUE_YOUNEEDAMAGICITEMTOCASTSPELL)
        self:getPosition():sendMagicEffect(CONST_ME_POFF)
        return false
    elseif reagentId ~= 0 and conjureItem then
        self:getItemById(reagentId, true, -1):transform(conjureId, conjureCount)
    else
        local item = self:addItem(conjureId, conjureCount)
        if not item then
            self:sendCancelMessage(RETURNVALUE_NOTPOSSIBLE)
            self:getPosition():sendMagicEffect(CONST_ME_POFF)
            return false
        end
    end
Click to expand...
Error again.
 

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