GameHacking Tutorial Part 11

void __declspec (naked) new_BeginScene
{
     __asm
     {
       cmp bbeginscene, 0x0 
       jnz _end 
       push eax 
       mov eax, [esp+0x30] 
       mov device, eax 
       mov bbeginscene, 0x1 
       pop eax 
       _end: 
       jmp [pBeginScene]           
     }
 
}
 
DWORD *vtable; //Pointerkopie von unserem Device 
//--------------------------------------------------------------------- 
memcpy(&vtable,(void*)device,4); //Device Pointer kopieren 
pEndScene = (oEndScene)vtable[35]; //Adresse von EndScene sichern 
vtable[35] = (DWORD)&new_EndScene; //Adresse überschreiben 
 
DWORD dwBeginScene = 0x6DEC9272; //die Adresse für den Hook 
//---------------------------------------------------------------------- 
typedef void (*oBeginScene)(); 
oBeginScene pBeginScene; //für euren Hook 
//---------------------------------------------------------------------- 
IDirect3DDevice8* device; //unser Device Pointer 
bool bbeginscene = false; //brauchen wir als Stopper