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FrequentlyX
Newbie cheater
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Joined: 29 Dec 2013
Posts: 14
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 Posted: Sun Dec 29, 2013 1:20 am Post subject: multi level pointer |
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Hello i am new to the whole accessing a memory address, but with a few tutorials and the Cheat Engine tutorial i got the idea.
however im trying to read from an address, so after a while of the whole pointer scanning phase, i ended up with something like this
01BFFB668
+4
+E8
+30
+C
+48
on the last offset i changed it to +40 instead and then manually added the +8 later
As i said im new to this so i might be taking the wrong address ? unfortunatly i can not add a picture but this is how it looks
| Quote: |
Address:
DC0FAE48 = 55668
Description
Pointerscan result
type
4 Bytes
[X] Pointer
48
c
30
e8
4
"Game.exe" + 01BFB668 -> DC10DAC0 |
Firstly i would like to thank Pingo for the ProcessMemoryReader class
okay then i made a new class, ( to make the code neater ) looking like this below to add the base adress and offsets
i have not written to much yet, i just want to make it work, show me the HP and MP bar
Now the current HP does nto come up and im doing something wrong, is there anyone out there that can see my problem ?
or have i found the base address wrong ?
i dont think the address is wrong, because when i quit the game and go back in, and attack cheat engine again, the HP and MP bar do show up on cheat engine
Cheers
Frequently
Last edited by FrequentlyX on Sat Feb 01, 2014 6:08 am; edited 1 time in total |
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FrequentlyX
Newbie cheater
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Joined: 29 Dec 2013
Posts: 14
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| Posted: Tue Dec 31, 2013 9:26 pm Post subject: |
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I have been checking this page almost every hour hoping that someone has replyd with some help....
does anyone atleast know where i could go to get some help if no one here can find out what im doing wrong ?
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UnIoN
Expert Cheater
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Joined: 17 May 2011
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| Posted: Wed Jan 01, 2014 1:28 am Post subject: |
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maybe you lasz added offset?
on ct you do +48
on c# you 're doing +40 and later adding 8 and 38
maybe that is giving you miscalculations
like if you're doing in ce +40 +8 witch will lead to unknown pointer
because 0xC + 48 is something else than
0xC + 0X40 (here you have different base) + 0x8 ...
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FrequentlyX
Newbie cheater
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Joined: 29 Dec 2013
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| Posted: Wed Jan 01, 2014 12:08 pm Post subject: |
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the reason i did that was because i want to point at the address right before the cordinates i want
so if i go +40 instead of +48, i can add the +8 to give me the HP bar, where it is stored
and +38 to give me the MP bar
if i just go +48, instead of +40, how could i get the HP bar ? even when i try to disect the data structure, the HP and MP bar does not show up, it only shows up if i go back to +40, then i have the HP bar at +8 bytes and MP bar at +38 bytes of the original structure
Last edited by FrequentlyX on Wed Jan 01, 2014 12:44 pm; edited 2 times in total |
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UnIoN
Expert Cheater
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| Posted: Wed Jan 01, 2014 12:23 pm Post subject: |
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you need to seperate some things in you mind
pointer => pointer/address
pointer + offset => pointer/address
consider this:
pointer1[0x1000] + offset[10] (= 0x1010) => address[0x2000]
pointer2[0x1000] + offset[14] (= 0x1014) => address[0x3000]
pointer3[0x1000] + offset[20] (= 0x1020) => pointerX[0x5000]
now you need hp and mana. both are stored at 0x2010 and 0x2020
so you need to:
pointer1[0x1000] + offset[10] => [address[0x2000] + offset[10]] = [0x2010]
pointer1[0x1000] + offset[10] => [address[0x2000] + offset[20]] = [0x2020]
dissect data is not pointing with offsets
it is adding them to show the data
try it out for yourself,
add in CE as last offset 40 instead of 48 and you will see the address, you own C# application is reading
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FrequentlyX
Newbie cheater
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| Posted: Wed Jan 01, 2014 12:43 pm Post subject: |
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Yea tried that,
it gives me a value of 0, when added 40 instead of 48, but changing to 48 gives me the correct value for the HP,
and manually going up to 78 gives me the correct value for the MP bar,
but how do i fix this in C# ?
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UnIoN
Expert Cheater
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| Posted: Wed Jan 01, 2014 12:59 pm Post subject: |
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remove the +40 part
and add directly +48 or +78
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FrequentlyX
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| Posted: Wed Jan 01, 2014 1:51 pm Post subject: |
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thank you for your help but it seems like its still not working.
the only thing i can think of that might be the problem is
when i try to manually add the pointer in CE i have to add "Game.exe" + the address,
if i dont add the "Game.exe" it wont work, and i am thinking that my code does not add that specific text to it aswell,
well i changed this :
| Code: | int playerBase = Mem.ReadMultiLevelPointer(MainPlayer.baseAddress, 4, MainPlayer.multiLevel);
currentHPLBL.Text = "HP Bar : " + Mem.ReadFloat(playerBase + MainPlayer.offsets.healthBar);
currentMPLBL.Text = "MP Bar : " + Mem.ReadFloat(playerBase + MainPlayer.offsets.manaBar); |
into this :
| Code: | int playerBase = Mem.ReadMultiLevelPointer(MyProcess[0].MainModule.BaseAddress.ToInt32() + MainPlayer.baseAddress, 4, MainPlayer.multiLevel);
currentHPLBL.Text = "HP Bar : " + Mem.ReadFloat(playerBase + MainPlayer.offsets.healthBar);
currentMPLBL.Text = "MP Bar : " + Mem.ReadFloat(playerBase + MainPlayer.offsets.manaBar); |
and now it atleast does not give me a value of 0
but its still not correct....
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UnIoN
Expert Cheater
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Joined: 17 May 2011
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| Posted: Wed Jan 01, 2014 2:48 pm Post subject: |
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game.exe is the module base
probably 0x40000
you can find that out in the disassembler in view
about your problem
change this | Code: | int [] MainPlayerMultiLvl = new int[] { 0x4, 0xE8, 0x30, 0xC, 0x40 };
PlayerDataAddr MainPlayerOffsets = new PlayerDataAddr(0x8, 0x38); |
to this | Code: | int [] MainPlayerMultiLvl = new int[] { 0x4, 0xE8, 0x30, 0xC };
PlayerDataAddr MainPlayerOffsets = new PlayerDataAddr(0x48, 0x78); |
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FrequentlyX
Newbie cheater
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Joined: 29 Dec 2013
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| Posted: Wed Jan 01, 2014 3:24 pm Post subject: |
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Oh yeh i already have changed that part
could it be that my address is wrong ??
i did the pointer scan and im left with like 23 values... even closing the game and restarting, makes all the addressses come up witht he right value
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UnIoN
Expert Cheater
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| Posted: Wed Jan 01, 2014 4:16 pm Post subject: |
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are you executing you application with admin rights?
if in debug mode, have you started visual studio as admin?
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FrequentlyX
Newbie cheater
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Joined: 29 Dec 2013
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| Posted: Wed Jan 01, 2014 4:43 pm Post subject: |
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| Yeh i do start visual studio as administrator, otherwise the code would not let me access the processors
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UnIoN
Expert Cheater
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| Posted: Wed Jan 01, 2014 5:38 pm Post subject: |
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can you send me your project solution pls?
where did you get your ProcessMemoryReader Lib ?
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FrequentlyX
Newbie cheater
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| Posted: Wed Jan 01, 2014 6:22 pm Post subject: |
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Yeh sure but how do i send the solution to you ??
do you have skype to make it easier to talk ?
it was made by Pingo, dont know if hes still around or not
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UnIoN
Expert Cheater
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Joined: 17 May 2011
Posts: 146
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| Posted: Thu Jan 02, 2014 3:42 am Post subject: |
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how about irc?
http://forum.cheatengine.org/viewtopic.php?t=317146
or use any filehoster you like/prefer
if im online we still can chat on irc
if you like, you can try this i quickly wrote for myself and try if it is reading the correct value for you: | Code: | using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
namespace CE_Tutorial
{
public class GameCheats
{
private const int PROCESS_WM_READ = 0x0010;
[DllImport("kernel32.dll")]
private static extern IntPtr OpenProcess(int dwDesiredAccess, bool bInheritHandle, int dwProcessId);
[DllImport("kernel32.dll")]
private static extern bool ReadProcessMemory(int hProcess, int lpBaseAddress, byte[] lpBufer, int dwSize, ref int lpNumberOfBytesRead);
private Process _Process;
private IntPtr _ProcessHandle;
public string ProcessName { get; set; }
public GameCheats(string ProcessName)
{
this.ProcessName = ProcessName;
OpenReadAccess();
}
public void OpenReadAccess()
{
_Process = Process.GetProcessesByName(ProcessName)[0];
_ProcessHandle = OpenProcess(PROCESS_WM_READ, false, _Process.Id);
}
private byte[] Read(int length, int Address, params int[] Offsets)
{
int bytesRead = 0;
byte[] buffer = new byte[4];
for(int i = 0; i <= Offsets.Length; i++)
{
ReadProcessMemory((int)_ProcessHandle, (i == 0) ? Address : Address + Offsets[i - 1], buffer, (i == Offsets.Length) ? length : buffer.Length, ref bytesRead);
Address = BitConverter.ToInt32(buffer, 0);
}
return buffer;
}
public Int32 Read_Byte(int Address, params int[] Offsets)
{
return BitConverter.ToInt32(this.Read(1, Address, Offsets), 0);
}
public Int32 Read_2_Bytes(int Address, params int[] Offsets)
{
return BitConverter.ToInt32(this.Read(2, Address, Offsets), 0);
}
public Int32 Read_4_Bytes(int Address, params int[] Offsets)
{
return BitConverter.ToInt32(this.Read(4, Address, Offsets), 0);
}
public Single Read_Float(int Address, params int[] Offsets)
{
return BitConverter.ToSingle(this.Read(4, Address, Offsets), 0);
}
}
}
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usable as follow: | Code: | GameCheats cheats = new GameCheats("Tutorial-i386");
float value = cheats.Read_Float(0x00631330, 0x494);
Console.WriteLine(value.ToString());
Console.ReadKey(); |
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