#pragma comment (lib,"detours.lib")
#include <windows.h>
#include "detours.h"

#include "ddraw.h"
#pragma comment(lib,"ddraw.lib")

DETOUR_TRAMPOLINE(HRESULT __stdcall Real_DirectDrawCreate(GUID *lpGUID,LPDIRECTDRAW *lplpDD,IUnknown *pUnkOuter), DirectDrawCreate);
DETOUR_TRAMPOLINE(HRESULT __stdcall Real_DirectDrawCreateEx(GUID *lpGUID,LPVOID *lplpDD,REFIID iid,IUnknown *pUnkOuter), DirectDrawCreateEx);

HRESULT __stdcall Mine_DirectDrawCreate(GUID *lpGUID,LPDIRECTDRAW *lplpDD,IUnknown *pUnkOuter)
{
	HRESULT hr = Real_DirectDrawCreate((GUID *)DDCREATE_EMULATIONONLY,lplpDD,pUnkOuter);
	return hr;
}

HRESULT __stdcall Mine_DirectDrawCreateEx(GUID *lpGUID,LPVOID *lplpDD,REFIID iid,IUnknown *pUnkOuter)
{
	HRESULT hr = Real_DirectDrawCreateEx((GUID *)DDCREATE_EMULATIONONLY,lplpDD,iid,pUnkOuter);
	return hr;
}

void hook()
{
	DetourFunctionWithTrampoline((PBYTE) Real_DirectDrawCreate,(PBYTE) Mine_DirectDrawCreate);
	DetourFunctionWithTrampoline((PBYTE) Real_DirectDrawCreateEx,(PBYTE) Mine_DirectDrawCreateEx);
}

BOOL APIENTRY DllMain(HINSTANCE hModule, DWORD dwReason, PVOID lpReserved)
{
	if(dwReason == DLL_PROCESS_ATTACH)
	{
		void hook();
	}
	return TRUE;
}