Toggleable Hardsuit Helmets (#7559)

Content.Shared/Item/SharedItemComponent.cs

@@ -37,6 +37,20 @@ namespace Content.Shared.Item
         [DataField("clothingVisuals")]
         public Dictionary<string, List<PrototypeLayerData>> ClothingVisuals = new();
 
+        /// <summary>
+        ///     Whether or not this item can be picked up.
+        /// </summary>
+        /// <remarks>
+        ///     This should almost always be true for items. But in some special cases, an item can be equipped but not
+        ///     picked up. E.g., hardsuit helmets are attached to the suit, so we want to disable things like the pickup
+        ///     verb.
+        /// </remarks>
+        [DataField("canPickup")]
+        public bool CanPickup = true;
+
+        [DataField("quickEquip")]
+        public bool QuickEquip = true;
+
         /// <summary>
         ///     Part of the state of the sprite shown on the player when this item is in their hands or inventory.
         /// </summary>
@@ -61,9 +75,12 @@ namespace Content.Shared.Item
         [DataField("Slots")]
         public SlotFlags SlotFlags = SlotFlags.PREVENTEQUIP; //Different from None, NONE allows equips if no slot flags are required
 
-        [DataField("EquipSound")]
+        [DataField("equipSound")]
         public SoundSpecifier? EquipSound { get; set; } = default!;
 
+        [DataField("unequipSound")]
+        public SoundSpecifier? UnequipSound = default!;
+        
         /// <summary>
         ///     Rsi of the sprite shown on the player when this item is in their hands. Used to generate a default entry for <see cref="InhandVisuals"/>
         /// </summary>

Content.Shared/Item/SharedItemSystem.cs

@@ -1,4 +1,3 @@
-using Content.Shared.Hands.Components;
 using Content.Shared.Hands.EntitySystems;
 using Content.Shared.Interaction;
 using Content.Shared.Inventory.Events;
@@ -27,7 +26,7 @@ namespace Content.Shared.Item
 
         private void OnHandInteract(EntityUid uid, SharedItemComponent component, InteractHandEvent args)
         {
-            if (args.Handled)
+            if (args.Handled || !component.CanPickup)
                 return;
 
             args.Handled = _handsSystem.TryPickup(args.User, uid, animateUser: false);
@@ -68,6 +67,7 @@ namespace Content.Shared.Item
                 args.Using != null ||
                 !args.CanAccess ||
                 !args.CanInteract ||
+                !component.CanPickup ||
                 !_handsSystem.CanPickupAnyHand(args.User, args.Target, handsComp: args.Hands, item: component))
                 return;