Muzzle (#6194)

Co-authored-by: mirrorcult <lunarautomaton6@gmail.com>

Content.Server/Speech/Components/AddAccentClothingComponent.cs

@@ -0,0 +1,32 @@
+using Robust.Shared.GameObjects;
+using Robust.Shared.Serialization.Manager.Attributes;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype;
+
+namespace Content.Server.Speech.Components;
+
+/// <summary>
+///     Applies accent to user while they wear entity as a clothing.
+/// </summary>
+[RegisterComponent]
+public class AddAccentClothingComponent : Component
+{
+    public override string Name => "AddAccentClothing";
+
+    /// <summary>
+    ///     Component name for accent that will be applied.
+    /// </summary>
+    [DataField("accent", required: true)]
+    public string Accent = default!;
+
+    /// <summary>
+    ///     What <see cref="ReplacementAccentPrototype"/> to use.
+    ///     Will be applied only with <see cref="ReplacementAccentComponent"/>.
+    /// </summary>
+    [DataField("replacement", customTypeSerializer: typeof(PrototypeIdSerializer<ReplacementAccentPrototype>))]
+    public string? ReplacementPrototype;
+
+    /// <summary>
+    ///     Is that clothing is worn and affecting someones accent?
+    /// </summary>
+    public bool IsActive = false;
+}

Content.Server/Speech/EntitySystems/AddAccentClothingSystem.cs

@@ -0,0 +1,60 @@
+using Content.Server.Clothing.Components;
+using Content.Server.Speech.Components;
+using Content.Shared.Inventory.Events;
+using Robust.Shared.GameObjects;
+using Robust.Shared.IoC;
+
+namespace Content.Server.Speech.EntitySystems;
+
+public class AddAccentClothingSystem : EntitySystem
+{
+    [Dependency] private readonly IComponentFactory _componentFactory = default!;
+
+    public override void Initialize()
+    {
+        base.Initialize();
+        SubscribeLocalEvent<AddAccentClothingComponent, GotEquippedEvent>(OnGotEquipped);
+        SubscribeLocalEvent<AddAccentClothingComponent, GotUnequippedEvent>(OnGotUnequipped);
+    }
+
+    private void OnGotEquipped(EntityUid uid, AddAccentClothingComponent component, GotEquippedEvent args)
+    {
+        if (!TryComp(uid, out ClothingComponent? clothing))
+            return;
+
+        // check if entity was actually used as clothing
+        // not just taken in pockets or something
+        var isCorrectSlot = clothing.SlotFlags.HasFlag(args.SlotFlags);
+        if (!isCorrectSlot) return;
+
+        // does the user already has this accent?
+        var componentType = _componentFactory.GetRegistration(component.Accent).Type;
+        if (EntityManager.HasComponent(args.Equipee, componentType)) return;
+
+        // add accent to the user
+        var accentComponent = (Component) _componentFactory.GetComponent(componentType);
+        accentComponent.Owner = args.Equipee;
+        EntityManager.AddComponent(args.Equipee, accentComponent);
+
+        // snowflake case for replacement accent
+        if (accentComponent is ReplacementAccentComponent rep)
+            rep.Accent = component.ReplacementPrototype!;
+
+        component.IsActive = true;
+    }
+
+    private void OnGotUnequipped(EntityUid uid, AddAccentClothingComponent component, GotUnequippedEvent args)
+    {
+        if (!component.IsActive)
+            return;
+
+        // try to remove accent
+        var componentType = _componentFactory.GetRegistration(component.Accent).Type;
+        if (EntityManager.HasComponent(args.Equipee, componentType))
+        {
+            EntityManager.RemoveComponent(args.Equipee, componentType);
+        }
+
+        component.IsActive = false;
+    }
+}