From aaa2115cd6e7093543251ba5c7aad124a27d618e Mon Sep 17 00:00:00 2001
From: MihailRis <mexaruc@gmail.com>
Date: Mon, 4 Nov 2024 20:16:23 +0300
Subject: [PATCH] add 'display.limit-fps-iconified' setting

---
 res/layouts/pages/settings_display.xml.lua | 1 +
 res/texts/ru_RU.txt                        | 1 +
 src/engine.cpp                             | 7 +++++--
 src/files/settings_io.cpp                  | 1 +
 src/settings.hpp                           | 2 ++
 5 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/res/layouts/pages/settings_display.xml.lua b/res/layouts/pages/settings_display.xml.lua
index a0bc9579..f8b24d0b 100644
--- a/res/layouts/pages/settings_display.xml.lua
+++ b/res/layouts/pages/settings_display.xml.lua
@@ -60,4 +60,5 @@ function on_open()
     create_checkbox("camera.shaking", "Camera Shaking")
     create_checkbox("camera.inertia", "Camera Inertia")
     create_checkbox("camera.fov-effects", "Camera FOV Effects")
+    create_checkbox("display.limit-fps-iconified", "Limit Background FPS")
 end
diff --git a/res/texts/ru_RU.txt b/res/texts/ru_RU.txt
index 53368e92..490ef4d7 100644
--- a/res/texts/ru_RU.txt
+++ b/res/texts/ru_RU.txt
@@ -76,6 +76,7 @@ settings.Regular Sounds=Обычные Звуки
 settings.UI Sounds=Звуки Интерфейса
 settings.V-Sync=Вертикальная Синхронизация
 settings.Key=Кнопка
+settings.Limit Background FPS=Ограничить фоновую частоту кадров
 
 # Управление
 chunks.reload=Перезагрузить Чанки
diff --git a/src/engine.cpp b/src/engine.cpp
index acff9542..0cfc6733 100644
--- a/src/engine.cpp
+++ b/src/engine.cpp
@@ -185,8 +185,11 @@ void Engine::mainloop() {
         if (!Window::isIconified()) {
             renderFrame(batch);
         }
-        Window::setFramerate(Window::isIconified() ? 20 : 
-                             settings.display.framerate.get());
+        Window::setFramerate(
+            Window::isIconified() && settings.display.limitFpsIconified.get()
+                ? 20
+                : settings.display.framerate.get()
+        );
 
         processPostRunnables();
 
diff --git a/src/files/settings_io.cpp b/src/files/settings_io.cpp
index eb81f3db..d2a85f6a 100644
--- a/src/files/settings_io.cpp
+++ b/src/files/settings_io.cpp
@@ -51,6 +51,7 @@ SettingsHandler::SettingsHandler(EngineSettings& settings) {
     builder.add("samples", &settings.display.samples);
     builder.add("framerate", &settings.display.framerate);
     builder.add("fullscreen", &settings.display.fullscreen);
+    builder.add("limit-fps-iconified", &settings.display.limitFpsIconified);
 
     builder.section("camera");
     builder.add("sensitivity", &settings.camera.sensitivity);
diff --git a/src/settings.hpp b/src/settings.hpp
index 8d1abdbf..8343ee68 100644
--- a/src/settings.hpp
+++ b/src/settings.hpp
@@ -29,6 +29,8 @@ struct DisplaySettings {
     IntegerSetting samples {0};
     /// @brief Framerate limit
     IntegerSetting framerate {-1, -1, 120};
+    /// @brief Limit framerate when window is iconified
+    FlagSetting limitFpsIconified {false};
 };
 
 struct ChunksSettings {