Code:
#include "stdafx.h"
#include <windows.h>
#include <d3d8.h>
#pragma comment(lib, "d3d8.lib")
typedef HRESULT (WINAPI* CreateDevice_Prototype) (LPDIRECT3D8, UINT, D3DDEVTYPE, HWND, DWORD, D3DPRESENT_PARAMETERS*, LPDIRECT3DDEVICE8*);
typedef HRESULT (WINAPI* Reset_Prototype) (LPDIRECT3DDEVICE8, D3DPRESENT_PARAMETERS*);
typedef HRESULT (WINAPI* EndScene_Prototype) (LPDIRECT3DDEVICE8);
typedef HRESULT (WINAPI* DrawIndexedPrimitive_Prototype)(LPDIRECT3DDEVICE8, D3DPRIMITIVETYPE, UINT, UINT, UINT, UINT);
CreateDevice_Prototype CreateDevice_Pointer = NULL;
Reset_Prototype Reset_Pointer = NULL;
EndScene_Prototype EndScene_Pointer = NULL;
DrawIndexedPrimitive_Prototype DrawIndexedPrimitive_Pointer = NULL;
HRESULT WINAPI Direct3DCreate8_VMTable (VOID);
HRESULT WINAPI CreateDevice_Detour (LPDIRECT3D8, UINT, D3DDEVTYPE, HWND, DWORD, D3DPRESENT_PARAMETERS*, LPDIRECT3DDEVICE8*);
HRESULT WINAPI Reset_Detour (LPDIRECT3DDEVICE8, D3DPRESENT_PARAMETERS*);
HRESULT WINAPI EndScene_Detour (LPDIRECT3DDEVICE8);
HRESULT WINAPI DrawIndexedPrimitive_Detour(LPDIRECT3DDEVICE8, D3DPRIMITIVETYPE, UINT, UINT, UINT, UINT);
PDWORD Direct3D_VMTable = NULL;
bool wallhack;
void CheckHotkey();
BOOL WINAPI DllMain(HINSTANCE hinstModule, DWORD dwReason, LPVOID lpvReserved)
{
if(dwReason == DLL_PROCESS_ATTACH)
{
DisableThreadLibraryCalls(hinstModule);
CreateThread(0,0, (LPTHREAD_START_ROUTINE)CheckHotkey, NULL, NULL, NULL);
if(Direct3DCreate8_VMTable() == D3D_OK)
return TRUE;
}
return FALSE;
}
HRESULT WINAPI Direct3DCreate8_VMTable(VOID)
{
LPDIRECT3D8 Direct3D_Object = Direct3DCreate8(D3D_SDK_VERSION);
if(Direct3D_Object == NULL)
return D3DERR_INVALIDCALL;
Direct3D_VMTable = (PDWORD)*(PDWORD)Direct3D_Object;
Direct3D_Object->Release();
DWORD dwProtect;
if(VirtualProtect(&Direct3D_VMTable[15], sizeof(DWORD), PAGE_READWRITE, &dwProtect) != 0)
{
*(PDWORD)&CreateDevice_Pointer = Direct3D_VMTable[15];
*(PDWORD)&Direct3D_VMTable[15] = (DWORD)CreateDevice_Detour;
if(VirtualProtect(&Direct3D_VMTable[15], sizeof(DWORD), dwProtect, &dwProtect) == 0)
return D3DERR_INVALIDCALL;
}
else
return D3DERR_INVALIDCALL;
return D3D_OK;
}
HRESULT WINAPI CreateDevice_Detour(LPDIRECT3D8 Direct3D_Object, UINT Adapter, D3DDEVTYPE DeviceType, HWND FocusWindow,
DWORD BehaviorFlags, D3DPRESENT_PARAMETERS* PresentationParameters,
LPDIRECT3DDEVICE8* Returned_Device_Interface)
{
HRESULT Returned_Result = CreateDevice_Pointer(Direct3D_Object, Adapter, DeviceType, FocusWindow, BehaviorFlags,
PresentationParameters, Returned_Device_Interface);
DWORD dwProtect;
if(VirtualProtect(&Direct3D_VMTable[15], sizeof(DWORD), PAGE_READWRITE, &dwProtect) != 0)
{
*(PDWORD)&Direct3D_VMTable[15] = *(PDWORD)&CreateDevice_Pointer;
CreateDevice_Pointer = NULL;
if(VirtualProtect(&Direct3D_VMTable[15], sizeof(DWORD), dwProtect, &dwProtect) == 0)
return D3DERR_INVALIDCALL;
}
else
return D3DERR_INVALIDCALL;
if(Returned_Result == D3D_OK)
{
Direct3D_VMTable = (PDWORD)*(PDWORD)*Returned_Device_Interface;
*(PDWORD)&Reset_Pointer = (DWORD)Direct3D_VMTable[14];
*(PDWORD)&EndScene_Pointer = (DWORD)Direct3D_VMTable[35];
*(PDWORD)&DrawIndexedPrimitive_Pointer = (DWORD)Direct3D_VMTable[71];
*(PDWORD)&Direct3D_VMTable[14] = (DWORD)Reset_Detour;
*(PDWORD)&Direct3D_VMTable[35] = (DWORD)EndScene_Detour;
*(PDWORD)&Direct3D_VMTable[71] = (DWORD)DrawIndexedPrimitive_Detour;
}
return Returned_Result;
}
HRESULT WINAPI Reset_Detour(LPDIRECT3DDEVICE8 Device_Interface, D3DPRESENT_PARAMETERS* PresentationParameters)
{
return Reset_Pointer(Device_Interface, PresentationParameters);
}
HRESULT WINAPI EndScene_Detour(LPDIRECT3DDEVICE8 Device_Interface)
{
return EndScene_Pointer(Device_Interface);
}
HRESULT WINAPI DrawIndexedPrimitive_Detour(LPDIRECT3DDEVICE8 Device_Interface, D3DPRIMITIVETYPE Type,
UINT MinIndex, UINT NumVertices, UINT StartIndex, UINT PrimitiveCount)
{
LPDIRECT3DVERTEXBUFFER8 Stream_Data;
UINT Stride = 0;
if(Device_Interface->GetStreamSource(0, &Stream_Data, &Stride) == D3D_OK)
Stream_Data->Release();