Ensnaring Component and Bola Update (#9968)

Content.Client/Ensnaring/Visualizers/EnsnareableVisualizerSystem.cs

@@ -0,0 +1,42 @@
+using Content.Client.Ensnaring.Components;
+using Content.Shared.Ensnaring;
+using Robust.Client.GameObjects;
+using Robust.Shared.Utility;
+
+namespace Content.Client.Ensnaring.Visualizers;
+
+public sealed class EnsnareableVisualizerSystem : VisualizerSystem<EnsnareableComponent>
+{
+    public override void Initialize()
+    {
+        base.Initialize();
+
+        SubscribeLocalEvent<EnsnareableVisualizerComponent, ComponentInit>(OnComponentInit);
+    }
+
+    private void OnComponentInit(EntityUid uid, EnsnareableVisualizerComponent component, ComponentInit args)
+    {
+        if(!TryComp<SpriteComponent>(uid, out var sprite))
+            return;
+
+        sprite.LayerMapReserveBlank(EnsnaredVisualLayers.Ensnared);
+    }
+
+    protected override void OnAppearanceChange(EntityUid uid, EnsnareableComponent component, ref AppearanceChangeEvent args)
+    {
+        if (args.Component.TryGetData(EnsnareableVisuals.IsEnsnared, out bool isEnsnared))
+        {
+            if (args.Sprite != null && component.Sprite != null)
+            {
+                args.Sprite.LayerSetRSI(EnsnaredVisualLayers.Ensnared, component.Sprite);
+                args.Sprite.LayerSetState(EnsnaredVisualLayers.Ensnared, component.State);
+                args.Sprite.LayerSetVisible(EnsnaredVisualLayers.Ensnared, isEnsnared);
+            }
+        }
+    }
+}
+
+public enum EnsnaredVisualLayers : byte
+{
+    Ensnared,
+}