feat: update jukebox & maplist on deletion

scripts/SoundManager.cs

@@ -13,8 +13,9 @@ public partial class SoundManager : Node, ISkinnable
     public static AudioStreamPlayer FailSound;
     public static AudioStreamPlayer Song;
 
-    [Signal]
-    public delegate void JukeboxPlayedEventHandler(Map map);
+    public Action<Map> JukeboxPlayed;
+
+    public event Action JukeboxEmpty;
 
     public static int[] JukeboxQueue = [];
     public static int JukeboxIndex = 0;
@@ -76,6 +77,27 @@ public override void _Ready()
             }
         };
 
+        MapManager.MapDeleted += (map) =>
+        {
+            UpdateJukeboxQueue();
+
+            if (Map != map)
+            {
+                return;
+            }
+
+            if (JukeboxQueue.Length == 0)
+            {
+                Song.Stop();
+                Map = null;
+                JukeboxEmpty?.Invoke();
+            }
+            else
+            {
+                PlayJukebox(new Random().Next(0, JukeboxQueue.Length));
+            }
+        };
+
         UpdateVolume();
 
         static void start()
@@ -159,7 +181,7 @@ public static void PlayJukebox(Map map, bool setRichPresence = true)
         Song.Stream = Util.Audio.LoadFromFile($"{MapUtil.MapsCacheFolder}/{map.Name}/audio.{map.AudioExt}");
         Song.Play();
 
-        Instance.EmitSignal(SignalName.JukeboxPlayed, map);
+        Instance.JukeboxPlayed?.Invoke(map);
 
         if (setRichPresence)
         {

scripts/map/MapCache.cs

@@ -252,7 +252,12 @@ public static void OrderAndSetMaps()
                 if (map.Cover == Map.DefaultCover && File.Exists($"{path}/cover.png"))
                 {
                     byte[] coverBuffer = File.ReadAllBytes($"{path}/cover.png");
-                    Image image = Util.Misc.LoadImageFromBuffer(coverBuffer);
+                    if (coverBuffer?.Length <= 0)
+                    {
+                        continue;
+                    }
+
+                    Image image = Misc.LoadImageFromBuffer(coverBuffer);
 
                     if (image != null)
                     {

scripts/ui/menu/JukeboxPanel.cs

@@ -57,6 +57,7 @@ public override void _Ready()
         UpdateSkin();
 
         SoundManager.Instance.JukeboxPlayed += UpdateMap;
+        SoundManager.Instance.JukeboxEmpty += ClearMap;
         SkinManager.Instance.Loaded += UpdateSkin;
     }
 
@@ -92,6 +93,12 @@ public override void _Input(InputEvent @event)
         }
     }
 
+    public void ClearMap()
+    {
+        title.Text = "";
+        Map = null;
+    }
+
     public void UpdateMap(Map map)
     {
         Map = map;

scripts/ui/menu/play/MapList.cs

@@ -126,6 +126,8 @@ public override void _Ready()
             UpdateMaps();
         };
 
+        MapManager.MapDeleted += _ => UpdateMaps();
+
         Task.Run(() => UpdateMaps());
 
         UpdateLayout(Layout);