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path: root/NorthstarDedicatedTest/latencyflex.cpp
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#include "pch.h"
#include "convar.h"

AUTOHOOK_INIT()

ConVar* Cvar_r_latencyflex;

HMODULE m_lfxModule {};
typedef void (*PFN_winelfx_WaitAndBeginFrame)();
PFN_winelfx_WaitAndBeginFrame m_winelfx_WaitAndBeginFrame {};

AUTOHOOK(OnRenderStart, client.dll + 0x1952C0, 
void,, (),
{
	if (Cvar_r_latencyflex->GetInt())
		m_winelfx_WaitAndBeginFrame();

	OnRenderStart();
})

ON_DLL_LOAD_CLIENT_RELIESON("client.dll", LatencyFlex, ConVar, [](HMODULE baseAddress)
{
	// Connect to the LatencyFleX service
	// LatencyFleX is an open source vendor agnostic replacement for Nvidia Reflex input latency reduction technology.
	// https://ishitatsuyuki.github.io/post/latencyflex/
	m_lfxModule = LoadLibraryA("latencyflex_wine.dll");

	if (m_lfxModule == nullptr)
	{
		spdlog::info("Unable to load LatencyFleX library, LatencyFleX disabled.");
		return;
	}

	AUTOHOOK_DISPATCH()

	m_winelfx_WaitAndBeginFrame =
		reinterpret_cast<PFN_winelfx_WaitAndBeginFrame>(reinterpret_cast<void*>(GetProcAddress(m_lfxModule, "winelfx_WaitAndBeginFrame")));
	spdlog::info("LatencyFleX initialized.");

	Cvar_r_latencyflex = new ConVar("r_latencyflex", "1", FCVAR_ARCHIVE, "Whether or not to use LatencyFleX input latency reduction.");
})