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LF2005
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 Posted: Sat Oct 02, 2021 10:10 am Post subject: Making a list of pointers with increment offset |
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| Code: | local al = getAddressList()
local base = al.createMemoryRecord()
base.setDescription("Base Address")
base.Type = vtString
base.String.Size = 0
base.Address = "Sys43VM.DLL+6DD68"
base.OffsetCount = 4
base.Offset[0] = 0
base.Offset[1] = 0
base.Offset[2] = 0x2EFA
base.Offset[3] = 0x15C
for i = 0, 89 do
local name= string.format("+%X", i * 0x3+0x2EFA)
local offset3 = i * 0x3+0x2EFA
local adress = al.createMemoryRecord()
adress.Type = vtDword
adress.Address = "Sys43VM.DLL+6DD68"
adress.OffsetCount = 4
adress.Offset[0] = 0
adress.Offset[1] = 0
adress.Offset[2] = offset3
adress.Offset[3] = 0x15C
adress.Description = name
adress.appendToEntry(base)
end |
I patched a code posted in this forum for my purpose,
that was to make a list of pointers pointing at each of the items in my inventory. this code accomplish it but I want to keep the structure of a manually found pointer, in my case the the 3rd offset of the 1st pointer should be "2EFA*4" and not the result.
is it possible ?
Last edited by LF2005 on Sun Oct 03, 2021 3:58 am; edited 2 times in total |
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Birdi
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Posts: 124
Location: Migrating
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| Posted: Sat Oct 02, 2021 3:20 pm Post subject: |
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| Code: |
function setPointer(base,offsets,numOffsets)
local base = base or nil
local offsets = offsets or nil
local numOffsets = numOffsets or 0
if base == nil or offsets == nil then return end
local al = getAddressList()
local newMem = al.createMemoryRecord()
newMem.setDescription(base[1])
newMem.Type = vtString
newMem.String.Size = 0
newMem.Address = base[2]
newMem.OffsetCount = numOffsets
for i=1,numOffsets do
newMem.Offset[i-1] = offsets[i]
end
for i=0,89 do
local name = string.format("+%X", i * 0x3+0x2EFA)
local offset3 = i * 0x3+0x2EFA
local adress = al.createMemoryRecord()
local childOffsets = offsets[5]
adress.Type = vtDword
adress.Address = "Sys43VM.DLL+6DD68"
adress.OffsetCount = 4
adress.Offset[0] = childOffsets[1]
adress.Offset[1] = childOffsets[2]
adress.Offset[2] = offset3
adress.Offset[3] = childOffsets[3]
adress.Description = name
adress.appendToEntry(newMem)
end
end
setPointer({"My Entry","Sys43VM.DLL+6DD68"},{0x10,0x20,0x30,0x40,{0x15,0x25,0x35}},4)
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I'm not entirely sure what you mean by "the 1st one" -- the first, parent, entry, or the first offset of each child, or..?
In any case, you can modify this as you need. Just call the function with the correct offsets as an array(table). You can modify the manual section of the child as you need.
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LF2005
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| Posted: Sun Oct 03, 2021 3:42 am Post subject: |
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1st, thanks for answering
Thought it was clear.
My base pointer is [[[[["Sys43VM.DLL+6DD68"]0]0]0x2EFA*4 ]0x15C]
In it only the 3rd pointer increases by 3 before being multiplied by 4
I don't get what you send to the offset.
I think you send an array of 5 numbers where the 5th one is another array
setPointer({"My Entry","Sys43VM.DLL+6DD68"},{0x10,0x20,0x30,0x40,{0x15,0x25,0x35}},4)
Pretty sure this doesn't achieve the extra effect of the 3rd offsets being formated as "2EFA*4","2EFD*4","2F00*4"....ect
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Birdi
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| Posted: Sun Oct 03, 2021 5:28 am Post subject: |
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If you need to adjust the third offset, just change the arithmetic used in defining 'offset3'
As-is, it starts at your base offset 2EFA then adds (0x3 * i), where i is your iterations in the children's For loop... if you want to multiply it differently you need only change that section.
Otherwise, the arrays passed are for every other offset, in case you need to change them for any reason.
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LF2005
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| Posted: Sun Oct 03, 2021 8:29 am Post subject: |
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you fail to understand what is the actual question
if I put
offset3=(3*i+0x2EFA)*4
the result will be
offset3=0xBBE8 //for the 1st pointer
but I want it to show
offset3="2EFA*4"
in the original assemble it said something like
mov ecx,[edi+2EFA*4]
so I always take the offset and put it exactly as got it "2EFA*4" when I manually make the pointer, it makes it easier to see the structure and predict the next offset
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ParkourPenguin
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| Posted: Sun Oct 03, 2021 11:21 am Post subject: |
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Memory records have an OffsetText property that allows you to set a string as an offset. Use that.
| Code: | | adress.OffsetText[2] = ('%X*4'):format(3 * i + 0x2EFA) |
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LF2005
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Posts: 16
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| Posted: Mon Oct 04, 2021 12:04 am Post subject: |
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| ParkourPenguin wrote: | Memory records have an OffsetText property that allows you to set a string as an offset. Use that.
| Code: | | adress.OffsetText[2] = ('%X*4'):format(3 * i + 0x2EFA) |
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Great thx, I'm totally new to Lua, so I was wondering if that's even possible, I'm simply manipulating the code based on my C++, Java and JavaScript knowledge
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ParkourPenguin
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Joined: 06 Jul 2014
Posts: 4717
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| Posted: Mon Oct 04, 2021 12:02 pm Post subject: |
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That's part of the API CE exposes to Lua. OffsetText doesn't really have anything special to do with Lua itself.
See celua.txt for documentation.
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