Improve stripping UI (#9768)

Content.Client/Ensnaring/EnsnareableSystem.cs

@@ -0,0 +1,46 @@
+using Content.Client.Ensnaring.Components;
+using Content.Shared.Ensnaring;
+using Robust.Client.GameObjects;
+
+namespace Content.Client.Ensnaring.Visualizers;
+
+public sealed class EnsnareableSystem : SharedEnsnareableSystem
+{
+    public override void Initialize()
+    {
+        base.Initialize();
+
+        SubscribeLocalEvent<EnsnareableComponent, ComponentInit>(OnComponentInit);
+        SubscribeLocalEvent<EnsnareableComponent, AppearanceChangeEvent>(OnAppearanceChange);
+    }
+
+    private void OnComponentInit(EntityUid uid, EnsnareableComponent component, ComponentInit args)
+    {
+        if(!TryComp<SpriteComponent>(uid, out var sprite))
+            return;
+
+        // TODO remove this, this should just be in yaml.
+        sprite.LayerMapReserveBlank(EnsnaredVisualLayers.Ensnared);
+    }
+
+    private void OnAppearanceChange(EntityUid uid, EnsnareableComponent component, ref AppearanceChangeEvent args)
+    {
+        if (args.Sprite == null || !args.Sprite.LayerMapTryGet(EnsnaredVisualLayers.Ensnared, out var layer))
+            return;
+
+        if (args.Component.TryGetData(EnsnareableVisuals.IsEnsnared, out bool isEnsnared))
+        {
+            if (component.Sprite != null)
+            {
+                args.Sprite.LayerSetRSI(layer, component.Sprite);
+                args.Sprite.LayerSetState(layer, component.State);
+                args.Sprite.LayerSetVisible(layer, isEnsnared);
+            }
+        }
+    }
+}
+
+public enum EnsnaredVisualLayers : byte
+{
+    Ensnared,
+}