Enable verbs for items in storage and prevent orphaned nested UIs (#5512)

Content.Client/ContextMenu/UI/EntityMenuPresenter.cs

@@ -6,8 +6,6 @@ using Content.Client.Verbs;
 using Content.Client.Viewport;
 using Content.Shared.CCVar;
 using Content.Shared.Input;
-using Content.Shared.Interaction.Helpers;
-using Content.Shared.Verbs;
 using Robust.Client.GameObjects;
 using Robust.Client.Graphics;
 using Robust.Client.Input;
@@ -121,8 +119,12 @@ namespace Content.Client.ContextMenu.UI
             }
 
             // do some other server-side interaction?
-            if (args.Function == EngineKeyFunctions.Use || args.Function == ContentKeyFunctions.AltActivateItemInWorld || args.Function == ContentKeyFunctions.Point ||
-                args.Function == ContentKeyFunctions.TryPullObject || args.Function == ContentKeyFunctions.MovePulledObject)
+            if (args.Function == EngineKeyFunctions.Use ||
+                args.Function == ContentKeyFunctions.ActivateItemInWorld ||
+                args.Function == ContentKeyFunctions.AltActivateItemInWorld ||
+                args.Function == ContentKeyFunctions.Point ||
+                args.Function == ContentKeyFunctions.TryPullObject ||
+                args.Function == ContentKeyFunctions.MovePulledObject)
             {
                 var inputSys = _systemManager.GetEntitySystem<InputSystem>();
 
@@ -142,11 +144,6 @@ namespace Content.Client.ContextMenu.UI
                 args.Handle();
                 return;
             }
-
-            if (_itemSlotManager.OnButtonPressed(args, entity))
-            {
-                _verbSystem.CloseAllMenus();
-            }
         }
 
         private bool HandleOpenEntityMenu(in PointerInputCmdHandler.PointerInputCmdArgs args)

Content.Client/Interactable/InteractionSystem.cs

@@ -1,9 +1,25 @@
+using Content.Client.Storage;
 using Content.Shared.Interaction;
+using Robust.Shared.Containers;
+using Robust.Shared.GameObjects;
 
 namespace Content.Client.Interactable
 {
     public sealed class InteractionSystem : SharedInteractionSystem
     {
+        public override bool CanAccessViaStorage(EntityUid user, EntityUid target)
+        {
+            if (!EntityManager.TryGetEntity(target, out var entity))
+                return false;
 
+            if (!entity.TryGetContainer(out var container))
+                return false;
+
+            if (!EntityManager.TryGetComponent(container.Owner.Uid, out ClientStorageComponent storage))
+                return false;
+
+            // we don't check if the user can access the storage entity itself. This should be handed by the UI system.
+            return storage.UIOpen;
+        }
     }
 }

Content.Client/Storage/ClientStorageComponent.cs

@@ -38,6 +38,7 @@ namespace Content.Client.Storage
         private int StorageSizeUsed;
         private int StorageCapacityMax;
         private StorageWindow? _window;
+        public bool UIOpen => _window?.IsOpen ?? false;
 
         public override IReadOnlyList<IEntity> StoredEntities => _storedEntities;
 

Content.Server/Interaction/InteractionSystem.cs

@@ -7,6 +7,7 @@ using Content.Server.CombatMode;
 using Content.Server.Hands.Components;
 using Content.Server.Items;
 using Content.Server.Pulling;
+using Content.Server.Storage.Components;
 using Content.Shared.ActionBlocker;
 using Content.Shared.Administration.Logs;
 using Content.Shared.Database;
@@ -98,6 +99,27 @@ namespace Content.Server.Interaction
 
             return true;
         }
+
+        public override bool CanAccessViaStorage(EntityUid user, EntityUid target)
+        {
+            if (!EntityManager.TryGetEntity(target, out var entity))
+                return false;
+
+            if (!entity.TryGetContainer(out var container))
+                return false;
+
+            if (!EntityManager.TryGetComponent(container.Owner.Uid, out ServerStorageComponent storage))
+                return false;
+
+            if (storage.Storage?.ID != container.ID)
+                return false;
+
+            if (!EntityManager.TryGetComponent(user, out ActorComponent actor))
+                return false;
+
+            // we don't check if the user can access the storage entity itself. This should be handed by the UI system.
+            return storage.SubscribedSessions.Contains(actor.PlayerSession);
+        }
         #endregion
 
         /// <summary>
@@ -188,9 +210,6 @@ namespace Content.Server.Interaction
             if (!EntityManager.TryGetEntity(uid, out var used))
                 return false;
 
-            if (user.IsInContainer())
-                return false;
-
             InteractionActivate(user, used);
             return true;
         }
@@ -291,10 +310,8 @@ namespace Content.Server.Interaction
             // TODO COMBAT Consider using alt-interact for advanced combat? maybe alt-interact disarms?
             if (!altInteract && user.TryGetComponent(out CombatModeComponent? combatMode) && combatMode.IsInCombatMode)
             {
-
                 DoAttack(user, coordinates, false, clickedUid);
                 return;
-
             }
 
             if (!ValidateInteractAndFace(user, coordinates))
@@ -307,7 +324,8 @@ namespace Content.Server.Interaction
             EntityManager.TryGetEntity(clickedUid, out var target);
 
             // Check if interacted entity is in the same container, the direct child, or direct parent of the user.
-            if (target != null && !user.IsInSameOrParentContainer(target))
+            // This is bypassed IF the interaction happened through an item slot (e.g., backpack UI)
+            if (target != null && !user.IsInSameOrParentContainer(target) && !CanAccessViaStorage(user.Uid, target.Uid))
             {
                 Logger.WarningS("system.interaction",
                     $"User entity named {user.Name} clicked on object {target.Name} that isn't the parent, child, or in the same container");
@@ -449,7 +467,7 @@ namespace Content.Server.Interaction
                 EntityManager.TryGetEntity(targetUid, out targetEnt);
 
                 // Check if interacted entity is in the same container, the direct child, or direct parent of the user.
-                if (targetEnt != null && !user.IsInSameOrParentContainer(targetEnt))
+                if (targetEnt != null && !user.IsInSameOrParentContainer(targetEnt) && !CanAccessViaStorage(user.Uid, targetEnt.Uid))
                 {
                     Logger.WarningS("system.interaction",
                         $"User entity named {user.Name} clicked on object {targetEnt.Name} that isn't the parent, child, or in the same container");

Content.Server/Storage/Components/ServerStorageComponent.cs

@@ -31,6 +31,7 @@ using Robust.Shared.Network;
 using Robust.Shared.Player;
 using Robust.Shared.Players;
 using Robust.Shared.Serialization.Manager.Attributes;
+using Robust.Shared.Utility;
 using Robust.Shared.ViewVariables;
 
 namespace Content.Server.Storage.Components
@@ -47,7 +48,8 @@ namespace Content.Server.Storage.Components
 
         private const string LoggerName = "Storage";
 
-        private Container? _storage;
+        public Container? Storage;
+        
         private readonly Dictionary<IEntity, int> _sizeCache = new();
 
         [DataField("occludesLight")]
@@ -77,7 +79,7 @@ namespace Content.Server.Storage.Components
         public SoundSpecifier StorageSoundCollection { get; set; } = new SoundCollectionSpecifier("storageRustle");
 
         [ViewVariables]
-        public override IReadOnlyList<IEntity>? StoredEntities => _storage?.ContainedEntities;
+        public override IReadOnlyList<IEntity>? StoredEntities => Storage?.ContainedEntities;
 
         [ViewVariables(VVAccess.ReadWrite)]
         public bool OccludesLight
@@ -86,7 +88,7 @@ namespace Content.Server.Storage.Components
             set
             {
                 _occludesLight = value;
-                if (_storage != null) _storage.OccludesLight = value;
+                if (Storage != null) Storage.OccludesLight = value;
             }
         }
 
@@ -120,12 +122,12 @@ namespace Content.Server.Storage.Components
         {
             _storageUsed = 0;
 
-            if (_storage == null)
+            if (Storage == null)
             {
                 return;
             }
 
-            foreach (var entity in _storage.ContainedEntities)
+            foreach (var entity in Storage.ContainedEntities)
             {
                 var item = entity.GetComponent<SharedItemComponent>();
                 _storageUsed += item.Size;
@@ -173,18 +175,18 @@ namespace Content.Server.Storage.Components
         /// <returns>true if the entity was inserted, false otherwise</returns>
         public bool Insert(IEntity entity)
         {
-            return CanInsert(entity) && _storage?.Insert(entity) == true;
+            return CanInsert(entity) && Storage?.Insert(entity) == true;
         }
 
         public override bool Remove(IEntity entity)
         {
             EnsureInitialCalculated();
-            return _storage?.Remove(entity) == true;
+            return Storage?.Remove(entity) == true;
         }
 
         public void HandleEntityMaybeInserted(EntInsertedIntoContainerMessage message)
         {
-            if (message.Container != _storage)
+            if (message.Container != Storage)
             {
                 return;
             }
@@ -206,7 +208,7 @@ namespace Content.Server.Storage.Components
 
         public void HandleEntityMaybeRemoved(EntRemovedFromContainerMessage message)
         {
-            if (message.Container != _storage)
+            if (message.Container != Storage)
             {
                 return;
             }
@@ -324,9 +326,9 @@ namespace Content.Server.Storage.Components
                 return;
             }
 
-            if (_storage == null)
+            if (Storage == null)
             {
-                Logger.WarningS(LoggerName, $"{nameof(UpdateClientInventory)} called with null {nameof(_storage)}");
+                Logger.WarningS(LoggerName, $"{nameof(UpdateClientInventory)} called with null {nameof(Storage)}");
 
                 return;
             }
@@ -381,10 +383,39 @@ namespace Content.Server.Storage.Components
 #pragma warning restore 618
             }
 
+            CloseNestedInterfaces(session);
+
             if (SubscribedSessions.Count == 0)
                 UpdateStorageVisualization();
         }
 
+        /// <summary>
+        ///     If the user has nested-UIs open (e.g., PDA UI open when pda is in a backpack), close them.
+        /// </summary>
+        /// <param name="session"></param>
+        public void CloseNestedInterfaces(IPlayerSession session)
+        {
+            if (StoredEntities == null)
+                return;
+
+            foreach (var entity in StoredEntities)
+            {
+                if (_entityManager.TryGetComponent(entity.Uid, out ServerStorageComponent storageComponent))
+                {
+                    DebugTools.Assert(storageComponent != this, $"Storage component contains itself!? Entity: {OwnerUid}");
+                    storageComponent.UnsubscribeSession(session);
+                }
+
+                if (_entityManager.TryGetComponent(entity.Uid, out ServerUserInterfaceComponent uiComponent))
+                {
+                    foreach (var ui in uiComponent.Interfaces)
+                    {
+                        ui.Close(session);
+                    }
+                }
+            }
+        }
+
         private void HandlePlayerSessionChangeEvent(object? obj, SessionStatusEventArgs sessionStatus)
         {
             Logger.DebugS(LoggerName, $"Storage (UID {Owner.Uid}) handled a status change in player session (UID {sessionStatus.Session.AttachedEntityUid}).");
@@ -400,8 +431,8 @@ namespace Content.Server.Storage.Components
             base.Initialize();
 
             // ReSharper disable once StringLiteralTypo
-            _storage = Owner.EnsureContainer<Container>("storagebase");
-            _storage.OccludesLight = _occludesLight;
+            Storage = Owner.EnsureContainer<Container>("storagebase");
+            Storage.OccludesLight = _occludesLight;
             UpdateStorageVisualization();
         }
 
@@ -437,7 +468,7 @@ namespace Content.Server.Storage.Components
                         break;
                     }
 
-                    if (!Owner.EntityManager.TryGetEntity(remove.EntityUid, out var entity) || _storage?.Contains(entity) == false)
+                    if (!Owner.EntityManager.TryGetEntity(remove.EntityUid, out var entity) || Storage?.Contains(entity) == false)
                     {
                         break;
                     }

Content.Shared/Interaction/SharedInteractionSystem.cs

@@ -13,12 +13,14 @@ using Content.Shared.Throwing;
 using Content.Shared.Timing;
 using Content.Shared.Verbs;
 using JetBrains.Annotations;
+using Robust.Shared.Containers;
 using Robust.Shared.GameObjects;
 using Robust.Shared.IoC;
 using Robust.Shared.Localization;
 using Robust.Shared.Map;
 using Robust.Shared.Maths;
 using Robust.Shared.Physics;
+using Robust.Shared.Players;
 using Robust.Shared.Random;
 using Robust.Shared.Serialization;
 
@@ -33,7 +35,6 @@ namespace Content.Shared.Interaction
     public abstract class SharedInteractionSystem : EntitySystem
     {
         [Dependency] private readonly SharedPhysicsSystem _sharedBroadphaseSystem = default!;
-        [Dependency] private readonly IRobustRandom _random = default!;
         [Dependency] private readonly ActionBlockerSystem _actionBlockerSystem = default!;
         [Dependency] private readonly SharedVerbSystem _verbSystem = default!;
         [Dependency] private readonly SharedAdminLogSystem _adminLogSystem = default!;
@@ -454,6 +455,11 @@ namespace Content.Shared.Interaction
             if (!InRangeUnobstructed(user, used, ignoreInsideBlocker: true, popup: true))
                 return;
 
+            // Check if interacted entity is in the same container, the direct child, or direct parent of the user.
+            // This is bypassed IF the interaction happened through an item slot (e.g., backpack UI)
+            if (!user.IsInSameOrParentContainer(used) && !CanAccessViaStorage(user.Uid, used.Uid))
+                return;
+
             var activateMsg = new ActivateInWorldEvent(user, used);
             RaiseLocalEvent(used.Uid, activateMsg);
             if (activateMsg.Handled)
@@ -529,17 +535,9 @@ namespace Content.Shared.Interaction
         public void AltInteract(IEntity user, IEntity target)
         {
             // Get list of alt-interact verbs
-            GetAlternativeVerbsEvent getVerbEvent = new(user, target);
-            RaiseLocalEvent(target.Uid, getVerbEvent);
-
-            foreach (var verb in getVerbEvent.Verbs)
-            {
-                if (verb.Disabled)
-                    continue;
-
-                _verbSystem.ExecuteVerb(verb, user.Uid, target.Uid);
-                break;
-            }
+            var verbs = _verbSystem.GetLocalVerbs(target, user, VerbType.Alternative)[VerbType.Alternative];
+            if (verbs.Any())
+                _verbSystem.ExecuteVerb(verbs.First(), user.Uid, target.Uid);
         }
         #endregion
 
@@ -733,6 +731,13 @@ namespace Content.Shared.Interaction
             }
         }
         #endregion
+
+        /// <summary>
+        ///     If a target is in range, but not in the same container as the user, it may be inside of a backpack. This
+        ///     checks if the user can access the item in these situations.
+        /// </summary>
+        public abstract bool CanAccessViaStorage(EntityUid user, EntityUid target);
+
         #endregion
     }
 

Content.Shared/Item/ItemSystem.cs

@@ -26,8 +26,10 @@ namespace Content.Shared.Item
             verb.Act = () => args.Hands.TryPutInActiveHandOrAny(args.Target);
             verb.IconTexture = "/Textures/Interface/VerbIcons/pickup.svg.192dpi.png";
 
-            // if the item already in the user's inventory, change the text
-            if (args.Target.TryGetContainer(out var container) && container.Owner == args.User)
+            // if the item already in a container (that is not the same as the user's), then change the text.
+            // this occurs when the item is in their inventory or in an open backpack
+            args.User.TryGetContainer(out var userContainer);
+            if (args.Target.TryGetContainer(out var container) && container != userContainer)
                 verb.Text = Loc.GetString("pick-up-verb-get-data-text-inventory");
             else
                 verb.Text = Loc.GetString("pick-up-verb-get-data-text");

Content.Shared/Verbs/SharedVerbSystem.cs

@@ -1,7 +1,10 @@
 using System.Collections.Generic;
+using Content.Shared.ActionBlocker;
 using Content.Shared.Administration.Logs;
 using Content.Shared.Database;
 using Content.Shared.Hands.Components;
+using Content.Shared.Interaction;
+using Robust.Shared.Containers;
 using Robust.Shared.GameObjects;
 using Robust.Shared.IoC;
 
@@ -10,6 +13,8 @@ namespace Content.Shared.Verbs
     public abstract class SharedVerbSystem : EntitySystem
     {
         [Dependency] private readonly SharedAdminLogSystem _logSystem = default!;
+        [Dependency] private readonly SharedInteractionSystem _interactionSystem = default!;
+        [Dependency] private readonly ActionBlockerSystem _actionBlockerSystem = default!;
 
         /// <summary>
         ///     Raises a number of events in order to get all verbs of the given type(s) defined in local systems. This
@@ -19,30 +24,61 @@ namespace Content.Shared.Verbs
         {
             Dictionary<VerbType, SortedSet<Verb>> verbs = new();
 
+            // accessibility checks
+            bool canAccess = false;
+            if (force || target == user)
+                canAccess = true;
+            else if (_interactionSystem.InRangeUnobstructed(user, target, ignoreInsideBlocker: true))
+            {
+                if (user.IsInSameOrParentContainer(target))
+                    canAccess = true;
+                else
+                    // the item might be in a backpack that the user has open
+                    canAccess = _interactionSystem.CanAccessViaStorage(user.Uid, target.Uid);
+            }
+
+            // A large number of verbs need to check action blockers. Instead of repeatedly having each system individually
+            // call ActionBlocker checks, just cache it for the verb request.
+            var canInteract = force || _actionBlockerSystem.CanInteract(user.Uid);
+
+            IEntity? @using = null;
+            if (user.TryGetComponent(out SharedHandsComponent? hands) && (force || _actionBlockerSystem.CanUse(user.Uid)))
+            {
+                hands.TryGetActiveHeldEntity(out @using);
+
+                // Check whether the "Held" entity is a virtual pull entity. If yes, set that as the entity being "Used".
+                // This allows you to do things like buckle a dragged person onto a surgery table, without click-dragging
+                // their sprite.
+                if (@using != null && @using.TryGetComponent<HandVirtualItemComponent>(out var pull))
+                {
+                    @using = IoCManager.Resolve<IEntityManager>().GetEntity(pull.BlockingEntity);
+                }
+            }
+
             if ((verbTypes & VerbType.Interaction) == VerbType.Interaction)
             {
-                GetInteractionVerbsEvent getVerbEvent = new(user, target, force);
+                GetInteractionVerbsEvent getVerbEvent = new(user, target, @using, hands, canInteract, canAccess);
                 RaiseLocalEvent(target.Uid, getVerbEvent);
                 verbs.Add(VerbType.Interaction, getVerbEvent.Verbs);
             }
 
             if ((verbTypes & VerbType.Activation) == VerbType.Activation)
             {
-                GetActivationVerbsEvent getVerbEvent = new(user, target, force);
+                GetActivationVerbsEvent getVerbEvent = new(user, target, @using, hands, canInteract, canAccess);
                 RaiseLocalEvent(target.Uid, getVerbEvent);
                 verbs.Add(VerbType.Activation, getVerbEvent.Verbs);
             }
 
             if ((verbTypes & VerbType.Alternative) == VerbType.Alternative)
             {
-                GetAlternativeVerbsEvent getVerbEvent = new(user, target, force);
+                GetAlternativeVerbsEvent getVerbEvent = new(user, target, @using, hands, canInteract, canAccess);
                 RaiseLocalEvent(target.Uid, getVerbEvent);
                 verbs.Add(VerbType.Alternative, getVerbEvent.Verbs);
             }
 
             if ((verbTypes & VerbType.Other) == VerbType.Other)
             {
-                GetOtherVerbsEvent getVerbEvent = new(user, target, force);
+                GetOtherVerbsEvent getVerbEvent = new(user, target, @using, hands, canInteract, canAccess);
                 RaiseLocalEvent(target.Uid, getVerbEvent);
                 verbs.Add(VerbType.Other, getVerbEvent.Verbs);
             }

Content.Shared/Verbs/VerbEvents.cs

@@ -5,9 +5,7 @@ using Content.Shared.Hands.Components;
 using Robust.Shared.Containers;
 using Robust.Shared.GameObjects;
 using Robust.Shared.Serialization;
-using Robust.Shared.IoC;
 using Content.Shared.Interaction;
-using System.Collections.Immutable;
 
 namespace Content.Shared.Verbs
 {
@@ -17,10 +15,18 @@ namespace Content.Shared.Verbs
         public readonly EntityUid EntityUid;
         public readonly VerbType Type;
 
-        public RequestServerVerbsEvent(EntityUid entityUid, VerbType type)
+        /// <summary>
+        ///     If the target item is inside of some storage (e.g., backpack), this is the entity that owns that item
+        ///     slot. Needed for validating that the user can access the target item.
+        /// </summary>
+        public readonly EntityUid? SlotOwner;
+
+
+        public RequestServerVerbsEvent(EntityUid entityUid, VerbType type, EntityUid? slotOwner = null)
         {
             EntityUid = entityUid;
             Type = type;
+            SlotOwner = slotOwner;
         }
     }
 
@@ -75,7 +81,9 @@ namespace Content.Shared.Verbs
     /// </remarks>
     public class GetInteractionVerbsEvent : GetVerbsEvent
     {
-        public GetInteractionVerbsEvent(IEntity user, IEntity target, bool force=false) : base(user, target, force) { }
+        public GetInteractionVerbsEvent(IEntity user, IEntity target, IEntity? @using, SharedHandsComponent? hands,
+            bool canInteract, bool canAccess) : base(user, target, @using, hands, canInteract, canAccess) { }
+
     }
 
     /// <summary>
@@ -89,7 +97,8 @@ namespace Content.Shared.Verbs
     /// </remarks>
     public class GetActivationVerbsEvent : GetVerbsEvent
     {
-        public GetActivationVerbsEvent(IEntity user, IEntity target, bool force=false) : base(user, target, force) { }
+        public GetActivationVerbsEvent(IEntity user, IEntity target, IEntity? @using, SharedHandsComponent? hands,
+            bool canInteract, bool canAccess) : base(user, target, @using, hands, canInteract, canAccess) { }
     }
 
     /// <summary>
@@ -101,7 +110,8 @@ namespace Content.Shared.Verbs
     /// </remarks>
     public class GetAlternativeVerbsEvent : GetVerbsEvent
     {
-        public GetAlternativeVerbsEvent(IEntity user, IEntity target, bool force=false) : base(user, target, force) { }
+        public GetAlternativeVerbsEvent(IEntity user, IEntity target, IEntity? @using, SharedHandsComponent? hands,
+            bool canInteract, bool canAccess) : base(user, target, @using, hands, canInteract, canAccess) { }
     }
 
     /// <summary>
@@ -113,7 +123,8 @@ namespace Content.Shared.Verbs
     /// </remarks>
     public class GetOtherVerbsEvent : GetVerbsEvent
     {
-        public GetOtherVerbsEvent(IEntity user, IEntity target, bool force=false) : base(user, target, force) { }
+        public GetOtherVerbsEvent(IEntity user, IEntity target, IEntity? @using, SharedHandsComponent? hands,
+            bool canInteract, bool canAccess) : base(user, target, @using, hands, canInteract, canAccess) { }
     }
 
     /// <summary>
@@ -124,7 +135,7 @@ namespace Content.Shared.Verbs
         /// <summary>
         ///     Event output. Set of verbs that can be executed.
         /// </summary>
-        public SortedSet<Verb> Verbs = new();
+        public readonly SortedSet<Verb> Verbs = new();
 
         /// <summary>
         ///     Can the user physically access the target?
@@ -133,17 +144,17 @@ namespace Content.Shared.Verbs
         ///     This is a combination of <see cref="ContainerHelpers.IsInSameOrParentContainer"/> and
         ///     <see cref="SharedInteractionSystem.InRangeUnobstructed"/>.
         /// </remarks>
-        public bool CanAccess;
+        public readonly bool CanAccess = false;
 
         /// <summary>
         ///     The entity being targeted for the verb.
         /// </summary>
-        public IEntity Target;
+        public readonly IEntity Target;
 
         /// <summary>
         ///     The entity that will be "performing" the verb.
         /// </summary>
-        public IEntity User;
+        public readonly IEntity User;
 
         /// <summary>
         ///     Can the user physically interact?
@@ -153,7 +164,7 @@ namespace Content.Shared.Verbs
         ///     to check this, it prevents it from having to be repeatedly called by each individual system that might
         ///     contribute a verb.
         /// </remarks>
-        public bool CanInteract;
+        public readonly bool CanInteract;
 
         /// <summary>
         ///     The User's hand component.
@@ -161,7 +172,7 @@ namespace Content.Shared.Verbs
         /// <remarks>
         ///     This may be null if the user has no hands.
         /// </remarks>
-        public SharedHandsComponent? Hands;
+        public readonly SharedHandsComponent? Hands;
 
         /// <summary>
         ///     The entity currently being held by the active hand.
@@ -170,34 +181,21 @@ namespace Content.Shared.Verbs
         ///     This is only ever not null when <see cref="ActionBlockerSystem.CanUse(EntityUid)"/> is true and the user
         ///     has hands.
         /// </remarks>
-        public IEntity? Using;
+        public readonly IEntity? Using;
 
-        public GetVerbsEvent(IEntity user, IEntity target, bool force=false)
+        // for eventual removal of IEntity.
+        public EntityUid UserUid => User.Uid;
+        public EntityUid TargetUid => Target.Uid;
+        public EntityUid? UsingUid => Using?.Uid;
+
+        public GetVerbsEvent(IEntity user, IEntity target, IEntity? @using, SharedHandsComponent? hands, bool canInteract, bool canAccess)
         {
             User = user;
             Target = target;
-
-            CanAccess = force || (Target == User) || user.IsInSameOrParentContainer(target) &&
-                EntitySystem.Get<SharedInteractionSystem>().InRangeUnobstructed(user, target, ignoreInsideBlocker: true);
-
-            // A large number of verbs need to check action blockers. Instead of repeatedly having each system individually
-            // call ActionBlocker checks, just cache it for the verb request.
-            var actionBlockerSystem = EntitySystem.Get<ActionBlockerSystem>();
-            CanInteract = force || actionBlockerSystem.CanInteract(user.Uid);
-
-            if (!user.TryGetComponent(out Hands) ||
-                !actionBlockerSystem.CanUse(user.Uid))
-                return;
-
-            Hands.TryGetActiveHeldEntity(out Using);
-
-            // Check whether the "Held" entity is a virtual pull entity. If yes, set that as the entity being "Used".
-            // This allows you to do things like buckle a dragged person onto a surgery table, without click-dragging
-            // their sprite.
-            if (Using != null && Using.TryGetComponent<HandVirtualItemComponent>(out var pull))
-            {
-                Using = IoCManager.Resolve<IEntityManager>().GetEntity(pull.BlockingEntity);
-            }
+            Using = @using;
+            Hands = hands;
+            CanAccess = canAccess;
+            CanInteract = canInteract;
         }
     }
 }