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C-/C++-Quelltext

#pragma once
#include <windows.h>
#include <cstdio>
#include <d3d9.h>
#include <d3dx9.h>
#include <detours.h>
#pragma comment( lib, "detours.lib" )

typedef HRESULT(__stdcall* EndScene_t)(LPDIRECT3DDEVICE9);
EndScene_t pEndScene;

void DrawRect (LPDIRECT3DDEVICE9 Device_t, int X, int Y, int L, int H, D3DCOLOR color)
{
    D3DRECT rect = {X, Y, X+L, Y+H};
    Device_t->Clear(1, &rect, D3DCLEAR_TARGET, color, 0, 0); 
}

HRESULT _stdcall mEndScene( LPDIRECT3DDEVICE9 pDevice ){

    DrawRect( pDevice, 10, 10, 10, 10, D3DCOLOR_ARGB( 255, 0, 255, 0 ) );

    return pEndScene( pDevice );
}

void InitHook(){

    HMODULE module = NULL;

    while( !module ){

        module = GetModuleHandleA( "d3d9.dll" );
        
        Sleep( 100 );

    }
    // Bis Hierhin funktioniert es
    pEndScene = ( EndScene_t )DetourFunction((PBYTE)0x7543279F, (PBYTE) mEndScene );
}

int WINAPI DllMain(HINSTANCE hInst,DWORD reason,LPVOID reserved)
{
    switch(reason)
    {
        case DLL_PROCESS_ATTACH:
        
            CreateThread( 0, 0, (LPTHREAD_START_ROUTINE) InitHook, 0, 0, 0 );

        break;
    }
    return true;
}

C-/C++-Quelltext

/*
Credits an: Julian_ 
Youtube: /user/IceT3e3a
*/


#pragma comment(lib, "Psapi.lib")
#pragma comment(lib, "d3d9.lib")
#pragma comment(lib, "d3dx9.lib")

#include <Windows.h>
#include <Psapi.h>
#include <d3d9.h>
#include <d3dx9.h>

#include "detours.h"

typedef int (__stdcall* EndScene)(LPDIRECT3DDEVICE9 Device);

EndScene oEndScene;

ID3DXFont* dx_Font = NULL;
RECT pos;

int WINAPI mEndScene(LPDIRECT3DDEVICE9 Device)
{
    if(dx_Font == 0)
    {
        D3DXCreateFont(Device, 14, 0, 4, 0, false, 1, 0, 0, 0, "Arial", &dx_Font);

        pos.bottom = 0;
        pos.left = 100;
        pos.right = 0;
        pos.top = 100;
    }

    dx_Font->DrawTextA(NULL, "EndScene detoured!", strlen("EndScene detoured!"), &pos, DT_NOCLIP, D3DCOLOR_XRGB(255, 0, 255));

    return oEndScene(Device);
}

int WINAPI DllThread()
{
    HMODULE hd3d9 = NULL;
    MODULEINFO Info;
    DWORD EndScene_Addr = NULL;

    while(hd3d9 == NULL)
    {
        hd3d9 = GetModuleHandle("d3d9.dll");
    }

    GetModuleInformation(GetCurrentProcess(), hd3d9, &Info, sizeof(MODULEINFO));

    EndScene_Addr = (int)Info.EntryPoint + 0x20D5A;

    oEndScene = (EndScene)DetourFunction((PBYTE)EndScene_Addr, (PBYTE)mEndScene);

    return 0;
}

bool WINAPI DllMain(HINSTANCE hDll, DWORD reason, LPVOID reserved)
{
    switch(reason)
    {
    case DLL_PROCESS_ATTACH:

        CreateThread(NULL, NULL, (LPTHREAD_START_ROUTINE) DllThread, NULL, NULL, NULL);
        break;
    }

    return true;
}