Blood-Red Magboots now correctly show if magboots are active (#38013)

* Change JetPack Item Visuals to use GenericVisualizer instead of AppearanceChangeEvents

* Fix YAML indentation for jetpacks.yml

Content.Client/Movement/Systems/JetpackSystem.cs

@@ -34,10 +34,6 @@ public sealed class JetpackSystem : SharedJetpackSystem
     {
         Appearance.TryGetData<bool>(uid, JetpackVisuals.Enabled, out var enabled, args.Component);
 
-        var state = "icon" + (enabled ? "-on" : "");
-        if (args.Sprite != null)
-            _sprite.LayerSetRsiState((uid, args.Sprite), 0, state);
-
         if (TryComp<ClothingComponent>(uid, out var clothing))
             _clothing.SetEquippedPrefix(uid, enabled ? "on" : null, clothing);
     }

Content.Shared/Movement/Systems/SharedJetpackSystem.cs

@@ -202,4 +202,5 @@ public abstract class SharedJetpackSystem : EntitySystem
 public enum JetpackVisuals : byte
 {
     Enabled,
+    Layer
 }

Resources/Prototypes/Entities/Objects/Tools/jetpacks.yml

@@ -27,7 +27,9 @@
   components:
   - type: Sprite
     sprite: Objects/Tanks/Jetpacks/blue.rsi
-      state: icon
+    layers:
+    - state: icon
+      map: ["enum.JetpackVisuals.Layer"]
   - type: Item
     sprite: Objects/Tanks/Jetpacks/blue.rsi
     size: Huge
@@ -52,6 +54,12 @@
   - type: Jetpack
     moleUsage: 0.00085
   - type: Appearance
+  - type: GenericVisualizer
+    visuals:
+      enum.JetpackVisuals.Enabled:
+        enum.JetpackVisuals.Layer:
+          True: {state: icon-on}
+          False: {state: icon}
   - type: StaticPrice
     price: 100