Chameleon clothing hides identity (#12642)

Content.Server/Clothing/Systems/ChameleonClothingSystem.cs

@@ -1,5 +1,8 @@
-using Content.Shared.Clothing.Components;
+using Content.Server.IdentityManagement;
+using Content.Shared.Clothing.Components;
 using Content.Shared.Clothing.EntitySystems;
+using Content.Shared.IdentityManagement.Components;
+using Content.Shared.Prototypes;
 using Content.Shared.Verbs;
 using Robust.Server.GameObjects;
 using Robust.Shared.GameStates;
@@ -11,6 +14,8 @@ public sealed class ChameleonClothingSystem : SharedChameleonClothingSystem
 {
     [Dependency] private readonly IPrototypeManager _proto = default!;
     [Dependency] private readonly UserInterfaceSystem _uiSystem = default!;
+    [Dependency] private readonly IComponentFactory _factory = default!;
+    [Dependency] private readonly IdentitySystem _identity = default!;
 
     public override void Initialize()
     {
@@ -91,8 +96,20 @@ public sealed class ChameleonClothingSystem : SharedChameleonClothingSystem
             return;
         component.SelectedId = protoId;
 
+        UpdateIdentityBlocker(uid, component, proto);
         UpdateVisuals(uid, component);
         UpdateUi(uid, component);
         Dirty(component);
     }
+
+    private void UpdateIdentityBlocker(EntityUid uid, ChameleonClothingComponent component, EntityPrototype proto)
+    {
+        if (proto.HasComponent<IdentityBlockerComponent>(_factory))
+            EnsureComp<IdentityBlockerComponent>(uid);
+        else
+            RemComp<IdentityBlockerComponent>(uid);
+
+        if (component.User != null)
+            _identity.QueueIdentityUpdate(component.User.Value);
+    }
 }

Content.Shared/Clothing/Components/ChameleonClothingComponent.cs

@@ -27,6 +27,12 @@ public sealed class ChameleonClothingComponent : Component
     [ViewVariables(VVAccess.ReadOnly)]
     [DataField("default", required: true, customTypeSerializer: typeof(PrototypeIdSerializer<EntityPrototype>))]
     public string? SelectedId;
+
+    /// <summary>
+    ///     Current user that wears chameleon clothing.
+    /// </summary>
+    [ViewVariables]
+    public EntityUid? User;
 }
 
 [Serializable, NetSerializable]

Content.Shared/Clothing/EntitySystems/SharedChameleonClothingSystem.cs

@@ -1,5 +1,6 @@
 using Content.Shared.Clothing.Components;
 using Content.Shared.Inventory;
+using Content.Shared.Inventory.Events;
 using Content.Shared.Item;
 using Content.Shared.Tag;
 using Robust.Shared.Prototypes;
@@ -13,6 +14,23 @@ public abstract class SharedChameleonClothingSystem : EntitySystem
     [Dependency] private readonly SharedItemSystem _itemSystem = default!;
     [Dependency] private readonly ClothingSystem _clothingSystem = default!;
 
+    public override void Initialize()
+    {
+        base.Initialize();
+        SubscribeLocalEvent<ChameleonClothingComponent, GotEquippedEvent>(OnGotEquipped);
+        SubscribeLocalEvent<ChameleonClothingComponent, GotUnequippedEvent>(OnGotUnequipped);
+    }
+
+    private void OnGotEquipped(EntityUid uid, ChameleonClothingComponent component, GotEquippedEvent args)
+    {
+        component.User = args.Equipee;
+    }
+
+    private void OnGotUnequipped(EntityUid uid, ChameleonClothingComponent component, GotUnequippedEvent args)
+    {
+        component.User = null;
+    }
+
     // Updates chameleon visuals and meta information.
     // This function is called on a server after user selected new outfit.
     // And after that on a client after state was updated.

Resources/Prototypes/Entities/Clothing/Masks/specific.yml

@@ -15,6 +15,7 @@
     - type: ChameleonClothing
       slot: [mask]
       default: ClothingMaskGas
+    - type: IdentityBlocker # need that for default ClothingMaskGas
     - type: UserInterface
       interfaces:
         - key: enum.ChameleonUiKey.Key