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[Request] A tutorial to make Lua scripts shorter

tosse12

tosse12

Panchira Project Member
Joined
Jun 10, 2007
Messages
864
Reaction score
9
Location
Sweden
Hi everyone!
I am looking for someone who could do a tutorial about lua scripting.
I really need to learn to make my script shorter and some how better :/
If there are a tutorial like this one as I request, please could you link it for me? :p

Some examples which (I have hard to make short):

For the first example, I think u will understand what this script does after seeing through it.

This script transform a stone to a lever and add a stone below the lever. (this script isn't just for one lever, but 6 levers)
Code: 
function onUse(cid, item, frompos, item2, topos)
	--Lever 1--
	stonepos1 = {x=10198, y=10272, z=9, stackpos=1}
	stonepos11 = {x=10197, y=10231, z=9, stackpos=1}
	--Lever 2--
	stonepos2 = {x=10225, y=10272, z=9, stackpos=1}
	stonepos21 = {x=10224, y=10272, z=9, stackpos=1}
	--Lever 3--
	stonepos3 = {x=10227, y=10211, z=9, stackpos=1}
	stonepos31 ={x=10227, y=10212, z=9, stackpos=1}
	stonepos4 = {x=10228, y=10211, z=9, stackpos=1}
	stonepos41 ={x=10228, y=10210, z=9, stackpos=1}
	--Lever 4--
	stonepos5 = {x=10257, y=10231, z=9, stackpos=1}
	stonepos51 = {x=10256, y=10231, z=9, stackpos=1}
	--Lever 5--
	stonepos6 = {x=10231, y=10272, z=9, stackpos=1}
	stonepos61 = {x=10232, y=10272, z=9, stackpos=1}
	--Lever 6--
	stonepos7 = {x=10227, y=10230, z=9, stackpos=1}
	stonepos71 = {x=10226, y=10229, z=9, stackpos=1}
	stonepos8 = {x=10228, y=10230, z=9, stackpos=1}
	stonepos81 = {x=10229, y=10229, z=9, stackpos=1}
	
	
	--Gethingfrom stone1--
	stone1 = getThingfromPos(stonepos1)
	stone11 = getThingfromPos(stonepos11)
	--Gethingfrom stone2--
	stone2 = getThingfromPos(stonepos2)
	stone21 = getThingfromPos(stonepos21)
	--Gethingfrom stone3--
	stone3 = getThingfromPos(stonepos3)
	stone31 = getThingfromPos(stonepos31)
	stone4 = getThingfromPos(stonepos4)
	stone41 = getThingfromPos(stonepos41)
	--Gethingfrom stone4--
	stone5 = getThingfromPos(stonepos5)
	stone51 = getThingfromPos(stonepos51)
	--Gethingfrom stone5--
	stone6 = getThingfromPos(stonepos6)
	stone61 = getThingfromPos(stonepos61)
	--Gethingfrom stone6--
	stone7 = getThingfromPos(stonepos7)
	stone71 = getThingfromPos(stonepos71)
	stone8 = getThingfromPos(stonepos8)
	stone81 = getThingfromPos(stonepos81)

	-- Do not config unless you have a diffrent item.uid--
	--Stone 1--
	if item.itemid == 1945 and item.uid == 1008 then
		doTransformItem(1009, 1945)
		doCreateItem(1304, 1, stonepos11)
		doTransformItem(item.uid, 1946)
	elseif item.itemid == 1946 and item.uid == 1008 then
		doTransformitem(1009, 1304)
		doRemoveItem(stone11.uid,1304)
		doTransformItem(item.uid, 1945)
	--Stone 1 end--
	--Stone 2--
	elseif item.itemid == 1945 and item.uid == 1009 then
		doTransformItem(1010 ,1945)
		doCreateItem(1304, 1, stonepos21)
		doTransformItem(item.uid, 1946)
	elseif item.itemid == 1946 and item.uid == 1009 then
		doTransformItem(1010, 1304)
		doRemoveItem(stone21.uid, 1304)
		doTransformItem(item.uid, 1945)
	--Stone 2 end--
	--Stone 3--
	elseif item.itemid == 1945 and item.uid == 1010 then
		doRemoveItem(stone3.uid,1304)
		doRemoveItem(stone4.uid,1304)
		doCreateItem(1304, 1, stonepos31)
		doCreateItem(1304, 1, stonepos41)
		doTransformItem(item.uid, 1946)
	elseif item.itemid == 1946 and item.uid == 1010 then
		doCreateItem(1304, 1, stonepos3)
		doCreateItem(1304, 1, stonepos4)
		doRemoveItem(stone31.uid, 1304)
		doRemoveItem(stone41.uid, 1304)
		doTransformItem(item.uid, 1945)
	--Stone 3 end--
	--Stone 4--
	elseif item.itemid == 1945 and item.uid == 1011 then
		doTransformItem(1012, 1945)
		doCreateItem(1304, 1, stonepos51)
		doTransformItem(item.uid, 1946)
	elseif item.itemid == 1946 and item.uid == 1011 then
		doTransformItem(1012, 1304)
		doRemoveItem(stone51.uid, 1304)
		doTransformItem(item.uid, 1945)
	--Stone 4 End --
	--Stone 5--
	elseif item.itemid == 1945 and item.uid == 1012 then
		doTransformItem(1013, 1945)
		doCreateItem(1304, 1, stonepos61)
		doTransformItem(item.uid, 1946)
	elseif item.itemid == 1946 and item.uid == 1012 then
		doTransformItem(1013, 1304)
		doRemoveItem(stone61.uid, 1304)
		doTransformItem(item.uid, 1945)
	--Stone 5 End--
	--Stone 6--
	elseif item.itemid == 1945 and item.uid == 1013 then
		doRemoveItem(stone7.uid,1304)
		doRemoveItem(stone8.uid,1304)
		doCreateItem(1304, 1, stonepos71)
		doCreateItem(1304, 1, stonepos81)
		doTransformItem(item.uid, 1946)
	elseif item.itemid == 1946 and item.uid == 1013 then
		doCreateItem(1304, 1, stonepos7)
		doCreateItem(1304, 1, stonepos8)
		doRemoveItem(stone71.uid, 1304)
		doRemoveItem(stone81.uid, 1304)
		doTransformItem(item.uid, 1945)
	end
	--Stone 6 End--
	return 1
end

Another example I would like to have a tutorial is:
A script that creates/transform multiply objects by just using a lever.
Code: 
function onUse(cid, item, frompos, item2, topos)
-- Lever 1 (stone + Bridge)
	stone1n = {x=9841, y=9875, z=11}
	-- Bridge --
		b1 = {x=9848, y=9849, z=11}
		b2 = {x=9848, y=9849, z=11}
		b3 = {x=9848, y=9849, z=11}
		b4 = {x=9848, y=9849, z=11}
		b5 = {x=9848, y=9849, z=11}
		b6 = {x=9848, y=9849, z=11}

-- End of config
----------------------------------------------------------------------------
-- Lever 1 --
	if item.itemid == 1945 and item.uid == 1015 then
		--Stone1 --
		doCreateItem(1304, 1, stone1n)
		doTransformItem(item.uid, 1946)
		doTransformItem(1016, 1945)
		--Stone1 end--
		--Bridge--
		doRemoveItem(getTileItemById(b1, 598).uid)
		doRemoveItem(getTileItemById(b2, 598).uid)
		doRemoveItem(getTileItemById(b3, 598).uid)
		doRemoveItem(getTileItemById(b4, 598).uid)
		doRemoveItem(getTileItemById(b5, 598).uid)
		doRemoveItem(getTileItemById(b6, 598).uid)
		doCreateItem(1284, 1, b1)
		doCreateItem(1284, 1, b2)
		doCreateItem(1284, 1, b3)
		doCreateItem(1284, 1, b4)
		doCreateItem(1284, 1, b5)
		doCreateItem(1284, 1, b6)
		--Bridge end--
	elseif item.itemid == 1945 and item.uid == 1015 then
		doRemoveItem(getTileItemById(stone1n, 1304).uid)
		doTransformItem(item.uid, 1945)
		doTransformItem(1016, 1304)
		--Bridge--
		doRemoveItem(getTileItemById(b1, 1284).uid)
		doRemoveItem(getTileItemById(b2, 1284).uid)
		doRemoveItem(getTileItemById(b3, 1284).uid)
		doRemoveItem(getTileItemById(b4, 1284).uid)
		doRemoveItem(getTileItemById(b5, 1284).uid)
		doRemoveItem(getTileItemById(b6, 1284).uid)
		doCreateItem(598, 1, b1)
		doCreateItem(598, 1, b2)
		doCreateItem(598, 1, b3)
		doCreateItem(598, 1, b4)
		doCreateItem(598, 1, b5)
		doCreateItem(598, 1, b6)
       end
		--Bridge end--
--Lever 1 End--
	return 1
end

These are the examples I can give you that you could use for the tutorial.
If you don't understand what I request please post a reply :)

Another thing that I would like to know (I know there is a tutorial somewhere), is about how to reset everything back again. Don't remember what it's called.
I think I am a bit unclear, so I will type an example:

As you see in my scripts abow they don't return to thier default pos. Like the bridge will always exist, untill someone use the lever again. and I would like to that the bridge should return to lava again after a while (like 2 minutes).

I thanks in advance! and ++rep for the one who could do this :D and(AGAIN :D) I think this tutorial will help many to make their scripts shorter and more professional.
 
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for i = 0, i > 16, i++
stonepos


That's called vector, or loop.
I've never used em on otserver, never needed tho, but that's a way to do it.
Your script would have 80% less lines.
 
Upvote 0 Downvote
Thanks :D
Totally forgot about it:D

Code: 
local b = {
	{x=9848, y=9849, z=11},
	{x=9848, y=9848, z=11},
	{x=9848, y=9847, z=11},
	{x=9848, y=9846, z=11},
	{x=9848, y=9845, z=11},
	{x=9848, y=9844, z=11},
	{x=9848, y=9843, z=11}
}
function onUse(cid, item, fromPosition, itemEx, toPosition)
	local k, v = item.uid, item.itemid
	if k == 1015 then
		doTransformItem(1016, v == 1945 and 1945 or 1304)
		for i = 1, 7 do
			doRemoveItem(getTileItemById(b[i], v == 1945 and 598 or 1284).uid)
			doCreateItem(v == 1945 and 1284 or 598, 1, b[i])
		end
		if v == 1945 then
			doCreateItem(1304, 1, {x=9841, y=9875, z=11})
		else
			doRemoveItem(getTileItemById({x=9841, y=9875, z=11}, 1304).uid)
		end
	elseif k == 1016 then
		doRemoveItem(getTileItemById(v == 1945 and {x=9848, y=9824, z=11} or {x=9857, y=9875, z=11}, 1197).uid)
		doCreateItem(v == 1945 and 1304 or 1197, 1, v == 1945 and {x=9857, y=9875, z=11} or {x=9848, y=9824, z=11})
		doTransformItem(1017, v == 1945 and 1945 or 1304)
	elseif k == 1017 then
		doRemoveItem(getTileItemById(v == 1945 and {x=9842, Y=9817, z=9} or {x=9844, y=9817, z=9}, 1304).uid)
		doCreateItem(1304, 1, v == 1945 and {x=9842, Y=9817, z=9} or {x=9844, y=9817, z=9})
	elseif k == 1018 then
		if v == 1945 then 
			doRemoveItem(getTileItemById({x=9850, y=9814, z=11}, 1196).uid)
		else
			doCreateItem(1196, 1, {x=9850, y=9814, z=11})
		end
	end
	doTransformItem(k, tonumber("194".. (v == 1945 and 6 or 5)))
	return TRUE
end
39 rows from 56 :D

but for the one abow (Stone transform into lever won't work with this :/
 
Last edited:
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