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Increasing/decreasing an 8 byte integer value

 
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jamesrussel
How do I cheat?
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Joined: 30 May 2013
Posts: 4
PostPosted: Thu May 30, 2013 3:17 pm    Post subject: Increasing/decreasing an 8 byte integer value Reply with quote
I'm making a script to find and change the X coordinates in a game. So far I'm able to pinpoint the the addresses in memory.

The addresses hold what looks like unsigned long ints (ex. from a scan:
    Value 0: 4625171475372883181
    Value 1: 4625206630044903024
    Value 2: 4625171475372883181
    Value 3: 4625171475372883181
    Value 4: 4625171475372883181
    Value 5: 4611417769331549024
    Value 6: 4625171475372883181
    Value 7: 4625171475372883181
    Value 8: 4625202493076300502
    Value 9: 4625202493076300502
    Value 10: 4625211700912384134
    Value 11: 4624890000396172525
    Value 12: 4625343230564655830
)

I'm just having a problem predictably changing the values. I can only write individual bytes with writeBytes and there isn't an option to write an unsigned long int. How can I do this in cheat engine?

Ideally I'd want to read a value from foundlist_getValue(), increase or decrease it by a certain amount, then write it to memory.

I'm using a 64 bit operating system, by the way.
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daspamer
Grandmaster Cheater Supreme
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Joined: 13 Sep 2011
Posts: 1588
PostPosted: Thu May 30, 2013 3:26 pm    Post subject: Reply with quote
Code:
print(readQword("Value 0")) --edit this to your address for 8bytes

to increase it you can do (example ofcourse)
Code:
writeQword("04D9A3F0", readQword("04D9A3F0")+1)

Also your game holds the X cord in either float or double.
To verify it, change the type to double
and make sure the address ends with 0 or 8.
if theres not an easy to use value (like if it shows 1.003-e3), try float.
make sure address ends with 0 or 4 or 8 or c
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I'm rusty and getting older, help me re-learn lua.
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mgr.inz.Player
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PostPosted: Thu May 30, 2013 4:25 pm    Post subject: Reply with quote
Those are doubles

Value 0: 4625171475372883181 = 15.95498...
Value 1: 4625206630044903024 = 16.03486...
Value 8: 4625202493076300502 = 16.02016...
Value 10: 4625211700912384134 = 16.05287...
Value 11: 4624890000396172525 = 15.45498...
Value 12: 4625343230564655830 = 16.52016...
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jamesrussel
How do I cheat?
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Joined: 30 May 2013
Posts: 4
PostPosted: Mon Jun 03, 2013 2:50 pm    Post subject: Reply with quote
Thank you, the value was a double after all. I found that searching for a vtQword in the scans and reading the values using readDouble was a lot faster than scanning for vtDouble. Maybe you guys could change the code to convert a vtDouble scan to a vtQword scan behind the scenes and output the results in Double format.
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