From 2432462ff3659ee6154fa0bf60ebfb28ed5d3976 Mon Sep 17 00:00:00 2001
From: WerWolv <werwolv98@gmail.com>
Date: Fri, 11 Jul 2025 13:37:15 +0200
Subject: [PATCH] impr: Unlock frame rate for the first 5 seconds after startup

---
 main/gui/source/window/window.cpp | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/main/gui/source/window/window.cpp b/main/gui/source/window/window.cpp
index e89772050..38f652c81 100644
--- a/main/gui/source/window/window.cpp
+++ b/main/gui/source/window/window.cpp
@@ -273,13 +273,13 @@ namespace hex {
     void Window::loop() {
         glfwShowWindow(m_window);
 
-        double returnToIdleTime = 0;
+        double returnToIdleTime = 5.0;
 
         constexpr static auto IdleFPS = 5.0;
         constexpr static auto FrameRateUnlockDuration = 1;
 
         double idleFrameTime = 1.0 / IdleFPS;
-        double targetFrameTime = idleFrameTime;
+        double targetFrameTime = -1.0;
         double longestExceededFrameTime = 0.0;
         while (!glfwWindowShouldClose(m_window)) {
             const auto maxFPS = ImHexApi::System::getTargetFPS();
@@ -306,6 +306,10 @@ namespace hex {
                 }
             }();
 
+            if (targetFrameTime < 0) {
+                targetFrameTime = maxFrameTime;
+            }
+
             auto frameTimeStart = glfwGetTime();
 
             glfwPollEvents();
@@ -388,6 +392,11 @@ namespace hex {
                 longestExceededFrameTime = std::max(exceedTime, longestExceededFrameTime);
             m_waitEventsBlocked = false;
 
+            if (std::fmod(longestExceededFrameTime, 5.0) < 0.01) {
+                // Reset the longest exceeded frame time every 5 seconds
+                longestExceededFrameTime = 0.0;
+            }
+
             while (frameTime < maxFrameTime) {
                 frameTime = glfwGetTime() - frameTimeStart;
             }