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Couple of questions about AOBScan

 
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tdr2012
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Joined: 02 Nov 2014
Posts: 26

PostPosted: Tue Feb 23, 2016 7:41 pm    Post subject: Couple of questions about AOBScan Reply with quote

1) Today, I was trying to use AOBScan to find an address that modifies the score value in the offline game srb2. This is the small script I am using in the Lua Engine to store and print the found address to the screen.
Code:
aobList=AOBScan("8B 40 78 50 68")
address1=aobList[0]
print(address1)

Running this gives me the right address that affects score, which is:
Code:
0043CADB

However, I would like to be able to subtract and add offsets from 0043CADB, like this:
Code:
aobList=AOBScan("8B 40 78 50 68")
address1=aobList[0]

unregisterSymbol("address2")
registerSymbol("address2", address1-8)

unregisterSymbol("address3")
registerSymbol("address3", address1+1C)

print(address1)
print(address2)
print(address3)

However, when I have the script like that, I get the following error:
Code:

Script Error:[string "aobList=AOBScan("8B 40 78 50 68")..."]:8: malformed number near '1C'

Is there a way to get the Lua Engine and Table scripts to accept offsets, such as 1C, to add to the found address1 and register a new symbol that's based on the address found by the math of address1+1C or address-8?

2) When I use many AOBScan operations, like 10 varying aob scan sets, sometimes it takes a while to locate all the addresses. I noticed there is an aobscanmodule function, but the addresses that hold the value I want to change do not exist in the game's module. In addition, sometimes the AOBScan operation uses a lot of CPU time when I run the script of 10 AOBScans.

Is there a faster way to be able to locate the aobs, if I can't use aobscanmodule? Also, how can I control the CPU usage from running a script with 10 AOBScan operations for different addresses?
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Zanzer
I post too much
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Joined: 09 Jun 2013
Posts: 3278

PostPosted: Tue Feb 23, 2016 8:13 pm    Post subject: Reply with quote

The error you posted is because that number is not in hexadecimal notation.
Code:
registerSymbol("address3", address1+0x1C)

After you fix that, you'll probably have an error about performing arithmetic on a string.
Code:
registerSymbol("address3", tonumber(address1,16)+0x1C)

Personally, I would use AA scripts instead. AA should also help with performance.
Code:
[ENABLE]
aobscan(address1,8B 40 78 50 68)

label(address2)
label(address3)

address1-8:
address2:

address1+1C:
address3:

registersymbol(address1)
registersymbol(address2)
registersymbol(address3)

[DISABLE]
unregistersymbol(address1)
unregistersymbol(address2)
unregistersymbol(address3)
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