OpenGL Hook Class

Wrote this class tonight. Its like other TLS hooks with some important improvements:

- finds offsets automatically
- extended functionality to hook gl functions TLS doesn't contain (i.e. glViewport, glFinish etc.. 50-150+ funcs can't remember clearly)
- already built in functionality to remove hooks

other features:

- Undetected by all? anti-cheats.
- Will hook opengl in any application/game

Edit: made a change, no longer finds the main thread (wasn't a great method). You should call GLInit from inside the main game thread (e.g inside a hook thats being called by the game thread) not your own DllMain if you have injected with a thread method.

Example Usage

Code:

CGLHook glhook;

typedef void (__stdcall *glFinish_t)();
glFinish_t o_glFinish;

void __stdcall h_glFinish()
{
    MessageBox(0, "glFinish hooked!", 0, 0);
    o_glFinish();
}

// after the main game thread is created (leave 8seconds after your dllMain is called or more to be safe)
if(glhook.Init())
{
    o_glFinish = (glFinish_t) glhook.Hook("glFinish", h_glFinish);
}

and to unhook:

Code:

glhook.UnHook("glFinish", o_glFinish);

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Thanks alot man .. i would make some tutorials for cuBot Source.

great idea