Rollerbeds (#5681)

Content.Client/Visualizer/FoldableVisualizer.cs

@@ -0,0 +1,36 @@
+using Robust.Client.GameObjects;
+using Robust.Shared.GameObjects;
+using Robust.Shared.IoC;
+using Robust.Shared.Serialization.Manager.Attributes;
+
+namespace Content.Client.Visualizer;
+
+
+public sealed class FoldableVisualizer : AppearanceVisualizer
+{
+    [DataField("key")]
+    private string _key = default!;
+
+    public override void OnChangeData(AppearanceComponent appearance)
+    {
+        base.OnChangeData(appearance);
+
+        var entManager = IoCManager.Resolve<IEntityManager>();
+
+        if (!entManager.TryGetComponent(appearance.Owner, out SpriteComponent? sprite)) return;
+
+        if (appearance.TryGetData("FoldedState", out bool folded) && folded)
+        {
+            sprite.LayerSetState(FoldableVisualLayers.Base, $"{_key}_folded");
+        }
+        else
+        {
+            sprite.LayerSetState(FoldableVisualLayers.Base, $"{_key}");
+        }
+    }
+
+    public enum FoldableVisualLayers : byte
+    {
+        Base,
+    }
+}