Convert KudzuVisualizer to Visualizer Systems (#9010)

Content.Client/Kudzu/KudzuVisualizer.cs

@@ -1,30 +0,0 @@
-using Content.Shared.Kudzu;
-using Robust.Client.GameObjects;
-using Robust.Shared.GameObjects;
-using Robust.Shared.IoC;
-using Robust.Shared.Serialization.Manager.Attributes;
-
-namespace Content.Client.Kudzu;
-
-public sealed class KudzuVisualizer : AppearanceVisualizer
-{
-    [DataField("layer")]
-    private int Layer { get; } = 0;
-
-    public override void OnChangeData(AppearanceComponent component)
-    {
-        base.OnChangeData(component);
-
-        var entities = IoCManager.Resolve<IEntityManager>();
-        if (!entities.TryGetComponent(component.Owner, out SpriteComponent? sprite))
-        {
-            return;
-        }
-
-        if (component.TryGetData(KudzuVisuals.Variant, out int var) && component.TryGetData(KudzuVisuals.GrowthLevel, out int level))
-        {
-            sprite.LayerMapReserveBlank(Layer);
-            sprite.LayerSetState(0, $"kudzu_{level}{var}");
-        }
-    }
-}

Content.Client/Kudzu/KudzuVisualizerComponent.cs

@@ -0,0 +1,10 @@
+namespace Content.Client.Kudzu
+{
+    [RegisterComponent]
+    public sealed class KudzuVisualsComponent : Component
+    {
+        [DataField("layer")]
+        public int Layer { get; } = 0;
+    }
+
+}

Content.Client/Kudzu/KudzuVisualizerSystem.cs

@@ -0,0 +1,22 @@
+using Content.Shared.Kudzu;
+using Robust.Client.GameObjects;
+
+namespace Content.Client.Kudzu
+{
+
+    public sealed class KudzuVisualsSystem : VisualizerSystem<KudzuVisualsComponent>
+    {
+        protected override void OnAppearanceChange(EntityUid uid, KudzuVisualsComponent component, ref AppearanceChangeEvent args)
+        {
+
+            if (args.Sprite == null)
+                return;
+            if (args.Component.TryGetData(KudzuVisuals.Variant, out int var)
+                && args.Component.TryGetData(KudzuVisuals.GrowthLevel, out int level))
+            {
+                var index = args.Sprite.LayerMapReserveBlank(component.Layer);
+                args.Sprite.LayerSetState(index, $"kudzu_{level}{var}");
+            }
+        }
+    }
+}

Content.Server/Entry/IgnoredComponents.cs

@@ -31,6 +31,7 @@ namespace Content.Server.Entry
             "PotencyVisuals",
             "PaperVisuals",
             "SurveillanceCameraVisuals",
+            "KudzuVisuals",
         };
     }
 }

Resources/Prototypes/Entities/Objects/Misc/kudzu.yml

@@ -18,8 +18,7 @@
       drawdepth: Overdoors
       netsync: false
     - type: Appearance
-      visuals:
-      - type: KudzuVisualizer
+    - type: KudzuVisuals
     - type: Clickable
     - type: Transform
       anchored: true