Help Need help with Fguard conversion

Hello. I have the source of Fguard and want to compile dsetup.dll but my chronicle is Gracia final and i need to change the entry point for Engine.dll anyone experienced enough to help me out? thanks in advance i'll leave the code bellow.

unsigned int GetSendPacketAddress(void)
{
	HMODULE hEngine = LoadLibraryA("engine.dll");

	unsigned int startVMT = (unsigned int) hEngine + 0x51F658;
	unsigned int AddNetworkQueue = (unsigned int) GetProcAddress(hEngine, "?AddNetworkQueue@UNetworkHandler@@UAEHPAUNetworkPacket@@@Z");
	unsigned int currVMT = startVMT;

	if (AddNetworkQueue == 0)
		return 0;

	while (true)
	{
		if (*(unsigned int*) currVMT == AddNetworkQueue)
			return *(unsigned int*) (currVMT - 0xA4);

		currVMT++;
		if (currVMT - startVMT > 10000)
			return 0;
	}

	return 0;
}