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[HELP]Code injection problem!

 
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jeck00119
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Joined: 11 Aug 2014
Posts: 27
PostPosted: Fri May 08, 2020 11:08 am    Post subject: [HELP]Code injection problem! Reply with quote
Hi guys!

I'm trying to create a map waypoint tp and i have a problem.
The Waypoint coordinates are saved as float values in 32-bit register (eax) and the character coordinates are saved as double values in 64-bit register (rdx) , as result my character is teleported wrong.
How to prevent this?


Code:

push rdx
mov rdx,eax       // eax = (float) 50.0  X waypoint coord
mov [rsi+000001B8],rdx   // rdx = (double) 4.99197265827594E16 -> wrong character X coord
pop rdx                           // I want to be rdx = 50.0
 


Any help would be appreciated!
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ParkourPenguin
I post too much
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Joined: 06 Jul 2014
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PostPosted: Fri May 08, 2020 11:37 am    Post subject: This post has 1 review(s) Reply with quote
Why are you using general purpose registers for that? You should be using sse (or at least x87).
Code:
movd xmm2,eax
cvtss2sd xmm2,xmm2
movsd [rsi+1B8],xmm2

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jeck00119
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Joined: 11 Aug 2014
Posts: 27
PostPosted: Fri May 08, 2020 4:12 pm    Post subject: Reply with quote
Thank you very much for your help!
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