[Help]PickUp metin2 dll

Dr0p3r96 · 09/10/2013, 01:29

Hello...
I have a problem to create PickUp in metin2.. I Inject the dll and crash the game.

Function asm:

Code:

00403770 - 8B 0D 20E07C00    - mov ecx,[007CE020]
00403776 - E8 25020300       - call 4339A0

Dllmain.cpp:

Code:

#include <windows.h>
DWORD pickup2=0x004339A0;

void pickup()
{
	__asm
	{
			MOV ECX,DWORD PTR DS:[0x7CE020]
			CALL pickup2

	}
}


DWORD WINAPI Watek( LPVOID )
{
		while(true)
		{
			pickup();
			Sleep(300);
		}
        return true;
}
int __stdcall DllMain(_In_ void * _HDllHandle, _In_ unsigned _Reason, _In_opt_ void * _Reserved)
{
        if(DLL_PROCESS_ATTACH== _Reason)
        {
              CreateThread(NULL, NULL, Watek, NULL, NULL, NULL);
        }

        return 1;
}

Crash game after inject :c

+Yazzn · 09/10/2013, 02:28

Maybe a nullptr is being dereferenced. Try to call pickup only when *reinterpret_cast<DWORD *>(0x7CE020) != nullptr.

.SkyneT. · 09/10/2013, 11:11

Better use a Detour at the main function of the game
and execute the pickup function like that:

Code:

PyObject_Call(PyObject_GetAttrString(PyImport_ImportModule("player"), "PickCloseItem"), args, NULL);

[uLow]NTX?! · 09/12/2013, 21:05

from where do you have the code?
*

Updated ASM etc ?

which metin2 version ?