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Lua Beginner Tutorial

I'm glad you guys liked it and learned something from it :)

If i wouldn't be that busy, I would have finished up the Advanced Tutorial already but I'll prolly do that within a few days ;)


kind regards, Evil Hero
 
i think i still doesnt know where to put "end" and "return"
whats wrong with this script?
Code: 
function onUse(cid, item, fromPosition, itemEx, toPosition)
    local container = 0
    local cost = 20000
    local potion_id = 2273
    local backpack_id = 2000
    if item.uid == 10203 and item.itemid == 1740 then
            container = doPlayerAddItem(cid, backpack_id, 1)
            for i = 1, 20 do
                doAddContainerItem(container, potion_id, 2268, 2294)
            end
return TRUE
end
i get a "end" error :confused:
 
it would be good if you could fix so you can buy promotion instead of having it when you start
 
TriWear said:
i think i still doesnt know where to put "end" and "return"
whats wrong with this script?
Code: 
function onUse(cid, item, fromPosition, itemEx, toPosition)
    local container = 0
    local cost = 20000
    local potion_id = 2273
    local backpack_id = 2000
    if item.uid == 10203 and item.itemid == 1740 then
            container = doPlayerAddItem(cid, backpack_id, 1)
            for i = 1, 20 do
                doAddContainerItem(container, potion_id, 2268, 2294)
            end
return TRUE
end
i get a "end" error :confused:
Click to expand...

You forgot the ending "end" which declares the function to be ended now.

If you start a function you have to end the function aswell.

example:

LUA: 
function youHaveToCloseThis(cid)
-- code
end -- this end belongs to the function "youHaveToCloseThis(cid)"

LUA: 
function youHaveToCloseThis(cid)
     if blablabla(cid) then
          -- code
     end -- this end belongs to the previous "if"
end -- this end belongs to the function "youHaveToCloseThis(cid)"

LUA: 
function onUse(cid, item, fromPosition, itemEx, toPosition)
    local container = 0
    local cost = 20000
    local potion_id = 2273
    local backpack_id = 2000
    if item.uid == 10203 and item.itemid == 1740 then
            container = doPlayerAddItem(cid, backpack_id, 1)
            for i = 1, 20 do
                doAddContainerItem(container, potion_id, 2268, 2294)
            end
    end
    return TRUE
end

I hope that you can understand it now :)


kind regards, Evil Hero
 
can you explain why it is 3 "end"? its only 1 "if" and one function.

and can you edit the script so its like a quest, you can only do it 1 time.

and when im rightclicking on the chest i get a backpack but no runes inside.. i get a error:
Code: 
[08/07/2009  02:29:00] Lua Script Error: [Action Interface] 
[08/07/2009  02:29:00] data/actions/scripts/own made/bprunor.lua:onUse

[08/07/2009  02:29:00] luaDoAddContainerItem(). Container not found

Thank you for helping me.
 
Last edited:
02:42AM: You advanced in scripting.

Thanks dude! I really needed that!

xD
 
sorry TriWear, didn't saw your post lately.

try this:
LUA: 
  function onUse(cid, item, fromPosition, itemEx, toPosition)
    local container = 0
    local cost = 20000
    local potion_id = 2273
    local backpack_id = 2000
    if item.uid == 10203 and item.itemid == 1740 then
            container = doPlayerAddItemEx(cid, backpack_id, 1)
            for i = 1, 20 do
                doAddContainerItem(container, potion_id, 2268, 2294)
            end
    end
    return TRUE
end
 
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