feat: add fps counter

lib/flame/ricochlime_game.dart

@@ -321,6 +321,7 @@ class RicochlimeGame extends Forge2DGame
   /// and only update the game when the sum is greater than 1/30.
   double groupedUpdateDt = 0;
   static const maxDt = 0.5;
+  static final lastDt = ValueNotifier(maxDt);
 
   @override
   // ignore: must_call_super (super.update is called in [updateNow])
@@ -349,6 +350,7 @@ class RicochlimeGame extends Forge2DGame
   }
 
   void updateNow(double dt, double timeDilation) {
+    if (Prefs.showFpsCounter.value) lastDt.value = dt;
     dt = min(dt * timeDilation, maxDt);
     ticker.tick(dt);
     super.update(dt);

lib/i18n/_missing_translations.yaml

@@ -25,6 +25,7 @@ es:
     showReflectionInAimGuide(OUTDATED): Show reflection in aim guide
     biggerBullets(OUTDATED): Bigger bullets
     maxFps(OUTDATED): Max FPS
+    showFpsCounter(OUTDATED): Show FPS counter
     appInfo(OUTDATED): App info
     licenseNotice(OUTDATED): |-
       Ricochlime  Copyright (C) 2023-$buildYear  Adil Hanney
@@ -100,6 +101,7 @@ kk:
     showReflectionInAimGuide(OUTDATED): Show reflection in aim guide
     biggerBullets(OUTDATED): Bigger bullets
     maxFps(OUTDATED): Max FPS
+    showFpsCounter(OUTDATED): Show FPS counter
   ageDialog:
     guessNumber(OUTDATED): Guess \#$n
     howOldAreYou(OUTDATED): "How old are you?"
@@ -137,6 +139,7 @@ ru:
   settingsPage:
     removeAdsInShop(OUTDATED): "Want to remove ads? Check out the options in the shop!"
     stylizedPageTransitions(OUTDATED): Stylized page transitions
+    showFpsCounter(OUTDATED): Show FPS counter
   adWarning:
     getCoins(rich)(OUTDATED): Watch an optional ad to get $c 100 ($t)
   shopPage:

lib/i18n/strings.g.dart

@@ -4,9 +4,9 @@
 /// To regenerate, run: `dart run slang`
 ///
 /// Locales: 4
-/// Strings: 276 (69 per locale)
+/// Strings: 280 (70 per locale)
 ///
-/// Built on 2024-09-07 at 01:44 UTC
+/// Built on 2024-09-14 at 03:52 UTC
 
 // coverage:ignore-file
 // ignore_for_file: type=lint
@@ -201,6 +201,7 @@ class _StringsSettingsPageEn {
 	String get showReflectionInAimGuide => 'Show reflection in aim guide';
 	String get biggerBullets => 'Bigger bullets';
 	String get maxFps => 'Max FPS';
+	String get showFpsCounter => 'Show FPS counter';
 	String get appInfo => 'App info';
 	String licenseNotice({required Object buildYear}) => 'Ricochlime  Copyright (C) 2023-${buildYear}  Adil Hanney\nThis program comes with absolutely no warranty. This is free software, and you are welcome to redistribute it under certain conditions.';
 }
@@ -391,6 +392,7 @@ class _StringsSettingsPageEs extends _StringsSettingsPageEn {
 	@override final _StringsEs _root; // ignore: unused_field
 
 	// Translations
+	@override String get showFpsCounter => 'Mostrar contador de FPS';
 	@override String get stylizedPageTransitions => 'Transiciones de página estilizadas';
 	@override String get removeAdsInShop => '¿Quieres eliminar los anuncios? ¡Consulta las opciones en la tienda!';
 	@override String get showReflectionInAimGuide => 'Mostrar reflejo en la guía de objetivos.';
@@ -596,6 +598,7 @@ class _StringsSettingsPageKk extends _StringsSettingsPageEn {
 	// Translations
 	@override String get title => 'Баптау';
 	@override String get adConsent => 'Жарнамаға келісімді баптау';
+	@override String get showFpsCounter => 'FPS есептегішін көрсету';
 	@override String get appInfo => 'Қолданба ақпары';
 	@override String licenseNotice({required Object buildYear}) => 'Ricochlime  Copyright (C) 2023-${buildYear}  Adil Hanney\nБұл бағдарлама еш кепілдіксіз жеткізіледі. Ол еркін екенін ескере отырып, сіз оны кейбір шарттардың аясында еркін тарата аласыз.';
 	@override String get stylizedPageTransitions => 'Стильденген беттердің ауысуы';
@@ -807,6 +810,7 @@ class _StringsSettingsPageRu extends _StringsSettingsPageEn {
 	@override String get showReflectionInAimGuide => 'Показывать отскок в прицельной траектории';
 	@override String get biggerBullets => 'Большие мячики';
 	@override String get maxFps => 'Максимальный FPS';
+	@override String get showFpsCounter => 'Показать счетчик FPS';
 	@override String get appInfo => 'О программе';
 	@override String licenseNotice({required Object buildYear}) => 'Ricochlime  Copyright (C) 2023-${buildYear}  Adil Hanney\nThis program comes with absolutely no warranty. This is free software, and you are welcome to redistribute it under certain conditions.';
 	@override String get stylizedPageTransitions => 'Стилизованные переходы страниц';

lib/i18n/strings.i18n.yaml

@@ -22,6 +22,7 @@ settingsPage:
   showReflectionInAimGuide: Show reflection in aim guide
   biggerBullets: Bigger bullets
   maxFps: Max FPS
+  showFpsCounter: Show FPS counter
   appInfo: App info
   licenseNotice: |-
     Ricochlime  Copyright (C) 2023-$buildYear  Adil Hanney

lib/i18n/strings_es.i18n.yaml

@@ -9,6 +9,7 @@ playPage:
   undo(OUTDATED): Deshacer movimiento
   highScore(OUTDATED): "Mejor: $p"
 settingsPage:
+  showFpsCounter(OUTDATED): Mostrar contador de FPS
   stylizedPageTransitions(OUTDATED): Transiciones de página estilizadas
   removeAdsInShop(OUTDATED): "¿Quieres eliminar los anuncios? ¡Consulta las opciones en la tienda!"
   showReflectionInAimGuide(OUTDATED): Mostrar reflejo en la guía de objetivos.

lib/i18n/strings_kk.i18n.yaml

@@ -15,6 +15,7 @@ settingsPage:
   licenseNotice: |-
     Ricochlime  Copyright (C) 2023-$buildYear  Adil Hanney
     Бұл бағдарлама еш кепілдіксіз жеткізіледі. Ол еркін екенін ескере отырып, сіз оны кейбір шарттардың аясында еркін тарата аласыз.
+  showFpsCounter(OUTDATED): FPS есептегішін көрсету
   stylizedPageTransitions(OUTDATED): Стильденген беттердің ауысуы
   removeAdsInShop(OUTDATED): "Жарнамаларды өшіргіңіз келе ме? Дүкенде опцияларды тексеріңіз!"
   showReflectionInAimGuide(OUTDATED): Мақсат нұсқаулығында рефлексияны көрсетіңіз

lib/i18n/strings_ru.i18n.yaml

@@ -24,6 +24,7 @@ settingsPage:
   licenseNotice: |-
     Ricochlime  Copyright (C) 2023-$buildYear  Adil Hanney
     This program comes with absolutely no warranty. This is free software, and you are welcome to redistribute it under certain conditions.
+  showFpsCounter(OUTDATED): Показать счетчик FPS
   stylizedPageTransitions(OUTDATED): Стилизованные переходы страниц
   removeAdsInShop(OUTDATED): "Хотите удалить рекламу? Посмотрите варианты в магазине!"
 ageDialog:

lib/pages/play.dart

@@ -149,7 +149,7 @@ class _PlayPageState extends State<PlayPage> {
           backgroundColor: Colors.transparent,
           elevation: 0,
           systemOverlayStyle: SystemUiOverlayStyle.light,
-          leadingWidth: 80,
+          leadingWidth: Prefs.showFpsCounter.value ? 136 : 80,
           leading: Row(
             mainAxisSize: MainAxisSize.min,
             children: [
@@ -184,6 +184,10 @@ class _PlayPageState extends State<PlayPage> {
                   size: const Size.square(20),
                 ),
               ),
+              if (Prefs.showFpsCounter.value) ...[
+                const SizedBox(width: 16),
+                const FpsCounter(),
+              ],
             ],
           ),
           centerTitle: true,
@@ -351,3 +355,25 @@ class _PlayPageState extends State<PlayPage> {
     );
   }
 }
+
+class FpsCounter extends StatelessWidget {
+  const FpsCounter({super.key});
+
+  static double _lastLastDt = 1 / 30;
+
+  @override
+  Widget build(BuildContext context) {
+    return ValueListenableBuilder(
+      valueListenable: RicochlimeGame.lastDt,
+      builder: (context, dt, _) {
+        dt = (dt + _lastLastDt) / 2;
+        _lastLastDt = dt;
+        final fps = (1 / dt).round();
+        return Text(
+          fps.toString(),
+          style: const TextStyle(fontSize: 24),
+        );
+      },
+    );
+  }
+}

lib/pages/settings.dart

@@ -277,7 +277,7 @@ class SettingsPage extends StatelessWidget {
                     } else {
                       return Text(
                         maxFps.toString(),
-                        style: const TextStyle(fontSize: 20),
+                        style: const TextStyle(fontSize: 24),
                       );
                     }
                   },
@@ -294,6 +294,43 @@ class SettingsPage extends StatelessWidget {
             ),
           ),
 
+          // Show FPS counter
+          Padding(
+            padding: listTilePadding,
+            child: NesContainer(
+              padding: EdgeInsets.zero,
+              child: ValueListenableBuilder(
+                valueListenable: Prefs.showFpsCounter,
+                builder: (context, _, child) {
+                  final fps = Prefs.maxFps.value < 0 ? 60 : Prefs.maxFps.value;
+                  return MergeSemantics(
+                    child: ListTile(
+                      title: child,
+                      leading: BlockSemantics(
+                        child: Text(
+                          fps.toString(),
+                          style: const TextStyle(fontSize: 24),
+                        ),
+                      ),
+                      tileColor: listTileColor,
+                      shape: listTileShape,
+                      contentPadding: listTileContentPadding,
+                      trailing: NesCheckBox(
+                        value: Prefs.showFpsCounter.value,
+                        onChange: (value) {
+                          Prefs.showFpsCounter.value = value;
+                        },
+                      ),
+                      onTap: () => Prefs.showFpsCounter.value =
+                          !Prefs.showFpsCounter.value,
+                    ),
+                  );
+                },
+                child: Text(t.settingsPage.showFpsCounter),
+              ),
+            ),
+          ),
+
           Padding(
             padding: subtitlePadding,
             child: Text(

lib/utils/prefs.dart

@@ -43,6 +43,7 @@ abstract class Prefs {
   static late final PlainPref<String> bulletShape;
 
   static late final PlainPref<int> maxFps;
+  static late final PlainPref<bool> showFpsCounter;
 
   static late final PlainPref<int> totalCoinsGained,
       totalBulletsGained,
@@ -89,6 +90,7 @@ abstract class Prefs {
     bulletShape = PlainPref('bulletShape', ShopItems.bulletShapes.first.id);
 
     maxFps = PlainPref('maxFps', -1);
+    showFpsCounter = PlainPref('showFpsCounter', false);
 
     totalCoinsGained = PlainPref('totalCoinsGained', 0);
     totalBulletsGained = PlainPref('totalBulletsGained', 0);