Changes the SingularitySystem to use generic visualizers (#15057)

Content.Shared/Singularity/Components/SingularityComponent.cs

@@ -82,22 +82,6 @@ public sealed class SingularityComponent : Component
 
     #endregion Audio
 
-    #region Appearance
-
-    /// <summary>
-    /// The sprite layer the singularity appearance is attached to.
-    /// </summary>
-    [DataField("layer")]
-    public int Layer { get; } = 0;
-
-    /// <summary>
-    /// The base sprite file and state of the singularity.
-    /// </summary>
-    [DataField("baseSprite")]
-    public SpriteSpecifier.Rsi BaseSprite = new SpriteSpecifier.Rsi(new ResourcePath("Structures/Power/Generation/Singularity/singularity"), "singularity");
-
-    #endregion Appearance
-
     #region Update Timing
 
     /// <summary>

Content.Shared/Singularity/EntitySystems/SharedSingularitySystem.cs

@@ -126,7 +126,7 @@ public abstract class SharedSingularitySystem : EntitySystem
 
         RaiseLocalEvent(uid, new SingularityLevelChangedEvent(singularity.Level, oldValue, singularity));
         if (singularity.Level <= 0)
-            EntityManager.DeleteEntity(singularity.Owner);
+            QueueDel(uid);
     }
 
     /// <summary>
@@ -366,7 +366,7 @@ public abstract class SharedSingularitySystem : EntitySystem
     /// <param name="args">The event arguments.</param>
     private void UpdateAppearance(EntityUid uid, AppearanceComponent comp, SingularityLevelChangedEvent args)
     {
-        _visualizer.SetData(uid, SingularityVisuals.Level, args.NewValue, comp);
+        _visualizer.SetData(uid, SingularityAppearanceKeys.Singularity, args.NewValue, comp);
     }
 
     /// <summary>

Content.Shared/Singularity/SingularityVisualKeys.cs

@@ -3,8 +3,8 @@
 namespace Content.Shared.Singularity
 {
     [Serializable, NetSerializable]
-    public enum SingularityVisuals
+    public enum SingularityAppearanceKeys
     {
-        Level
+        Singularity
     }
 }