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flash harry
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 Posted: Sat Jul 24, 2010 5:53 am Post subject: [C#] how to add and subtract from a value? |
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hi, i have made a trainer in C# with buttons to set values like so:
| Code: | private void button1_Click(object sender, EventArgs e)
{
preader.ReadProcess = myprocesses[0];
preader.OpenProcess();
int byteswritten;
float value;
byte[] memory;
value = 0.5F;
memory = BitConverter.GetBytes(value);
preader.WriteProcessMemory((IntPtr)0x345291FC, memory, out byteswritten);
} |
but my question is how do i add/subtract from a value instead of writing it
eg: say for example the value is 1140 and i want to subtract 300 to make the value = 840
plz help.
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Jani
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| Posted: Sat Jul 24, 2010 5:58 am Post subject: |
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| Code: | float f = 0.0f;
size_t size;
ReadProcessMemory(hProcess, (LPCVOID)0x345291FC, &f, sizeof(float), &size);
f -= 300.0f;
WriteProcessMemory(hProcess, (LPCVOID)0x345291FC, &f, sizeof(float), &size); |
Now, do the same using your preader thing. Dunno about pointerless C#, but well, you get the idea.
Also, this isn't very efficient for constant writing.
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flash harry
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| Posted: Sat Jul 24, 2010 7:59 am Post subject: |
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| Jani wrote: | | Code: | float f = 0.0f;
size_t size;
ReadProcessMemory(hProcess, (LPCVOID)0x345291FC, &f, sizeof(float), &size);
f -= 300.0f;
WriteProcessMemory(hProcess, (LPCVOID)0x345291FC, &f, sizeof(float), &size); |
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Thank you very much for your time
but im not sure how to use this, i must be going wrong somwhere.
ive only been using C# for 3 days now and am making slow progress, i can now write values to an address and also NOP an address im just stuck now on this add/sub.
so i have an address (its static) 0x345287A0 FLOAT and i need to add/subtract 300 from it,
could somone be so kind to post how this would look inside a button function
| Code: | private void button1_Click(object sender, EventArgs e)
{
} |
so then i can see how it should look and work and also see where im going wrong.
many thanks in advance for helping.
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Stylo
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| Posted: Sat Jul 24, 2010 9:02 am Post subject: |
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You've been using C# for only 3 days and already messing with memory editing?
I suggest you to take it easy and relax if you want to understand every step you take in programming
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Pingo
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| Posted: Sat Jul 24, 2010 9:09 am Post subject: |
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In the same button store the current value so when you write it,
it would be currentVal + memory or currentVal - memory
Would you like another reader thats easier to use?
Your code seems like alot just for one address
From this
| Code: | preader.ReadProcess = myprocesses[0];
preader.OpenProcess();
int byteswritten;
float value = 0.5F;
byte[] memory;
memory = BitConverter.GetBytes(value);
preader.WriteProcessMemory((IntPtr)0x345291FC, memory, out byteswritten); |
To this
| Code: | | Mem.WriteFloat(0x345291FC, 0.5F); |
And to subtract 300 from the value it would be
| Code: | float Val = Mem.ReadFloat(0x345291FC);
Mem.WriteFloat(0x345291FC, Val - 0.5F); |
Just giz a shout and i'll sort a source out for ya.
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flash harry
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Posts: 16
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| Posted: Sat Jul 24, 2010 1:00 pm Post subject: |
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| Pingo wrote: | In the same button store the current value so when you write it,
it would be currentVal + memory or currentVal - memory
Would you like another reader thats easier to use?
Your code seems like alot just for one address
From this
| Code: | preader.ReadProcess = myprocesses[0];
preader.OpenProcess();
int byteswritten;
float value = 0.5F;
byte[] memory;
memory = BitConverter.GetBytes(value);
preader.WriteProcessMemory((IntPtr)0x345291FC, memory, out byteswritten); |
To this
| Code: | | Mem.WriteFloat(0x345291FC, 0.5F); |
And to subtract 300 from the value it would be
| Code: | float Val = Mem.ReadFloat(0x345291FC);
Mem.WriteFloat(0x345291FC, Val - 0.5F); |
Just giz a shout and i'll sort a source out for ya. |
another reader, wow that looks so much better, that would be great stuff if you could sort out the source, nice one Pingo top job.
@Stylo i have a strange method of learning, i like to throw myself in at the deep end and work backwards, strange i know but it works for me.
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hcavolsdsadgadsg
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| Posted: Sat Jul 24, 2010 2:50 pm Post subject: |
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| Pingo wrote: | | Code: | float Val = Mem.ReadFloat(0x345291FC);
Mem.WriteFloat(0x345291FC, Val - 0.5F); |
Just giz a shout and i'll sort a source out for ya. |
Why don't you just write a generic function instead of having one for each data type?
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Pingo
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| Posted: Sat Jul 24, 2010 3:17 pm Post subject: |
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| slovach wrote: | | Pingo wrote: | | Code: | float Val = Mem.ReadFloat(0x345291FC);
Mem.WriteFloat(0x345291FC, Val - 0.5F); |
Just giz a shout and i'll sort a source out for ya. |
Why don't you just write a generic function instead of having one for each data type? |
because im stupid and lazy
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flash harry
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| Posted: Sun Jul 25, 2010 6:31 am Post subject: |
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Still struggling with this add/sub stuff so i decided to leave it for the moment and move onto somthing else....... hotkeys 
trainer is starting to look great with some nice cheats etc... but they all are activated with buttons (so i cant run the game fullscreen).
is there an easy way to bind hotkeys to these buttons? i would like to use the F1-F2-F3 keys etc... to activate and deactivate cheats.
ive googled loads and am now suffering from a severe case of information overload.
what would be the simplest way to add hotkeys to my already existing buttons?
F1=button1 etc...
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atom0s
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| Posted: Sun Jul 25, 2010 10:38 am Post subject: |
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| Stylo wrote: | You've been using C# for only 3 days and already messing with memory editing?
I suggest you to take it easy and relax if you want to understand every step you take in programming |
I would agree with Stylo, if you just started C#, you should really slow down and actually start learning the language itself and not just copy paste things from other people and assume you know how it works.
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Pingo
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| Posted: Sun Jul 25, 2010 11:34 am Post subject: |
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| flash harry wrote: | Still struggling with this add/sub stuff so i decided to leave it for the moment and move onto somthing else....... hotkeys
trainer is starting to look great with some nice cheats etc... but they all are activated with buttons (so i cant run the game fullscreen).
is there an easy way to bind hotkeys to these buttons? i would like to use the F1-F2-F3 keys etc... to activate and deactivate cheats.
ive googled loads and am now suffering from a severe case of information overload.
what would be the simplest way to add hotkeys to my already existing buttons?
F1=button1 etc... |
I PMed you that source yesterday. It has a add/sub and hotkey example.
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flash harry
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| Posted: Mon Jul 26, 2010 4:38 am Post subject: |
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Thanks Pingo looks great but im getting error when trying to compile
| Code: | Warning 1 Referenced assembly 'obj\Release\Blank App.exe' targets a different processor than the application. Blank App
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Any ideas?
*EDIT* Nvm i have it all working perfectly now,
thank you so much Pingo 10/10
without being too much of a pain in the arse i have 1 more question for you.
how to freeze the value at an address?
i did try to PM you but it said im not worthy enough to use the PM system yet ROFL
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Jani
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| Posted: Tue Jul 27, 2010 4:24 am Post subject: |
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| flash harry wrote: | | how to freeze the value at an address? |
Poor man's way: constantly write the value to the address (this is what CE does when you tick "freeze"). You could also block the writing operation. That would do better job.
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Pingo
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| Posted: Tue Jul 27, 2010 6:59 am Post subject: |
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PMed my email. I'll show ya some basic stuff.
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flash harry
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Joined: 19 Jun 2010
Posts: 16
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| Posted: Thu Aug 12, 2010 3:47 pm Post subject: |
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| Pingo wrote: | | PMed my email. I'll show ya some basic stuff. |
Thx pingo ive sent you an email
very sorry if im a pain in the arse 
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