OSHGUI D3D8 Injection

 
/*    Direct3D8 Device */
#define NOMINMAX
#include <windows.h>
#include "main.h"
#include "d3d8.h"
#include <OSHGui.hpp>
#include "Input/WindowsMessage.hpp"
#include "Drawing/Direct3D8/Direct3D8Renderer.hpp"
 
#define D3DHOOK_TEXTURES //comment this to disable texture hooking
 
using namespace OSHGui;
using namespace OSHGui::Drawing;
 
FontPtr font;
//Application &app;
 
HRESULT CD3DManager::Initialize()
{
    /*
    initialize Resources such as textures 
    (managed and unmanaged [D3DPOOL]), 
    vertex buffers, and other D3D rendering resources
    ...
    m_pD3Ddev->CreateTexture(..., ..., &m_pD3Dtexture);
    */
 
    std::unique_ptr<Direct3D8Renderer> renderer(new Direct3D8Renderer(m_pD3Ddev));
 
    Application::Initialize(std::move(renderer));
 
    auto &app = Application::Instance();
 
    //3. create a font which will be used by the OSHGui
    font = FontManager::LoadFont("Arial", 8.0f, false); //Arial, 8PT, no anti-aliasing
    app.SetDefaultFont(font);
 
    //4. create our form
    auto form = std::make_shared<Form>();
    form->SetText("Test");
 
    //5. set this form as our mainform
    app.Run(form);
 
    //optional: enable the OSHGui drawing
    app.Enable();
 
    //optional: register a Hotkey with which we can toggle the OSHGui drawing
    app.RegisterHotkey(Hotkey(Key::Insert, []
    {
        Application::Instance().Toggle();
    }));
 
    return S_OK;
}
 
HRESULT APIENTRY hkIDirect3DDevice8::EndScene(void)
{
    auto &renderer = Application::Instance().GetRenderer();
 
    //1. let our renderer begin its work
    renderer.BeginRendering();
 
    //2. render the OSHGui
    Application::Instance().Render();
 
    //3. end the rendering
    renderer.EndRendering();
 
    return m_pD3Ddev->EndScene();
}
 

bool WINAPI DllMain(HMODULE hDll, DWORD dwReason, PVOID pvReserved)
{
    if(dwReason == DLL_PROCESS_ATTACH)
    {
        DisableThreadLibraryCalls(hDll);
 
        GetModuleFileName(hDll, dlldir, 512);
        for(int i = strlen(dlldir); i > 0; i--) { if(dlldir == '\\') { dlldir[i+1] = 0; break; } }
 
 
        HMODULE hMod = LoadLibrary("d3d8.dll");        
    
        oDirect3DCreate8 = (tDirect3DCreate8)DetourFunc(
            (BYTE*)GetProcAddress(hMod, "Direct3DCreate8"),
            (BYTE*)hkDirect3DCreate8, 
            5);
 
        return true;
    }
 
    else if(dwReason == DLL_PROCESS_DETACH)
    {
        
    }
 
    return false;
}