chore: add audio

src/lib/global.ts

@@ -24,6 +24,7 @@ export const currentLoadingInfo = writable<string>('Initializing...');
 export const firstStartup = writable<boolean>(false);
 
 export const launching = writable<boolean>(false);
+export const nyanCatSong = writable<HTMLAudioElement | undefined>(undefined);
 
 export const serverPing = writable<number | undefined>(undefined);
 export const serverConnectionFails = writable(0);

src/routes/+layout.svelte

@@ -1,5 +1,6 @@
 <script lang="ts">
   import Logo from '$assets/logo.png';
+  import NyanCatSong from '$assets/nyan-cat.mp3';
   import '../app.css';
 
   import Titlebar from '@/components/ui/titlebar/titlebar.svelte';
@@ -9,6 +10,7 @@
     discordPresence,
     firstStartup,
     launcherVersion,
+    nyanCatSong,
     platform,
     presenceLoading,
     setupValues,
@@ -127,6 +129,14 @@
               description: 'text-center!',
             },
           });
+          konami_code = [];
+          
+          const audio = new Audio(NyanCatSong);
+          audio.loop = true;
+          audio.volume = 0.3;
+          audio.play();
+          nyanCatSong.set(audio);
+
           secret_enabled = true;
         }
       } else {

src/screens/Launch.svelte

@@ -13,6 +13,7 @@
     launcherVersion,
     launching,
     newVersion,
+    nyanCatSong,
     osuBuild,
     osuStream,
     platform,
@@ -426,6 +427,25 @@
       }
       await new Promise((res) => setTimeout(res, 1500));
       launchInfo = 'Launching osu!...';
+
+      if ($nyanCatSong) {
+        const audio = $nyanCatSong;
+        const fadeOutDuration = 2000; // 2 seconds
+        const fadeOutSteps = 20;
+        const fadeOutStepTime = fadeOutDuration / fadeOutSteps;
+        const volumeStep = audio.volume / fadeOutSteps;
+
+        const fadeOutInterval = setInterval(() => {
+          if (audio.volume > 0) {
+            audio.volume = Math.max(0, audio.volume - volumeStep);
+          } else {
+            clearInterval(fadeOutInterval);
+            audio.pause();
+            audio.currentTime = 0;
+          }
+        }, fadeOutStepTime);
+      }
+
       await replaceUIFiles(osuPath, false);
       await new Promise((res) => setTimeout(res, 1000));
       await getCurrentWindow().hide();
@@ -535,6 +555,26 @@
       if ($trackingEnabled) umami.track('app_exit_osu');
       cleanup = true;
       launchInfo = 'Cleaning up...';
+
+      if ($nyanCatSong) {
+        const audio = $nyanCatSong;
+        audio.play();
+        audio.volume = 0;
+
+        const fadeInDuration = 2000; // 2 seconds
+        const fadeInSteps = 20;
+        const fadeInStepTime = fadeInDuration / fadeInSteps;
+        const volumeStep = (1 - audio.volume) / fadeInSteps;
+
+        const fadeInInterval = setInterval(() => {
+          if (audio.volume < 0.5) {
+            audio.volume = Math.min(0.5, audio.volume + volumeStep);
+          } else {
+            clearInterval(fadeInInterval);
+          }
+        }, fadeInStepTime);
+      }
+
       await getCurrentWindow().show();
       if (presenceUpdater) {
         window.clearInterval(presenceUpdater);