From 2843da4479630e82d93ca0bb0c7e0c1748c86c48 Mon Sep 17 00:00:00 2001
From: Exzap <13877693+Exzap@users.noreply.github.com>
Date: Thu, 15 Aug 2024 05:00:09 +0200
Subject: [PATCH] padscore: Invoke sampling callbacks every 5ms

This fixes high input latency in games like Pokemon Rumble U which update input via the sampling callbacks
---
 src/Cafe/OS/libs/padscore/padscore.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/Cafe/OS/libs/padscore/padscore.cpp b/src/Cafe/OS/libs/padscore/padscore.cpp
index 8ae4730d..a83711fe 100644
--- a/src/Cafe/OS/libs/padscore/padscore.cpp
+++ b/src/Cafe/OS/libs/padscore/padscore.cpp
@@ -746,7 +746,8 @@ namespace padscore
 		// call sampling callback
 		for (auto i = 0; i < InputManager::kMaxWPADControllers; ++i)
 		{
-			if (g_padscore.controller_data[i].sampling_callback) {
+			if (g_padscore.controller_data[i].sampling_callback)
+			{
 				if (const auto controller = instance.get_wpad_controller(i))
 				{
 					cemuLog_log(LogType::InputAPI, "Calling WPADsamplingCallback({})", i);
@@ -761,7 +762,7 @@ namespace padscore
 	{
 		OSCreateAlarm(&g_padscore.alarm);
 		const uint64 start_tick = coreinit::coreinit_getOSTime();
-		const uint64 period_tick = coreinit::EspressoTime::GetTimerClock(); // once a second
+		const uint64 period_tick = coreinit::EspressoTime::GetTimerClock() / 200; // every 5ms
 		MPTR handler = PPCInterpreter_makeCallableExportDepr(TickFunction);
 		OSSetPeriodicAlarm(&g_padscore.alarm, start_tick, period_tick, handler);
 	}