Convert almost all IActivate instances that open UIs to ActivatableUI (#7028)

* Chem master

* Drone support for handhelds

* Vending machines, scanners

* Cloners, R&D computers

* make research a little less sussy

* Unfuck wires

* PA control computer

* Unfuck merge

* Clean up git gore for good

* Disposals

* Microwaves

* paper

* Magic mirror

* More vendors for drones

* Solar computer whitelist

* EFR review updates

Content.Server/AME/Components/AMEControllerComponent.cs

@@ -14,19 +14,13 @@ using Content.Shared.Sound;
 using Robust.Server.GameObjects;
 using Robust.Shared.Audio;
 using Robust.Shared.Containers;
-using Robust.Shared.GameObjects;
-using Robust.Shared.IoC;
-using Robust.Shared.Localization;
 using Robust.Shared.Player;
-using Robust.Shared.Serialization.Manager.Attributes;
-using Robust.Shared.ViewVariables;
 
 namespace Content.Server.AME.Components
 {
     [RegisterComponent]
-    [ComponentReference(typeof(IActivate))]
     [ComponentReference(typeof(IInteractUsing))]
-    public sealed class AMEControllerComponent : SharedAMEControllerComponent, IActivate, IInteractUsing
+    public sealed class AMEControllerComponent : SharedAMEControllerComponent, IInteractUsing
     {
         [Dependency] private readonly IEntityManager _entities = default!;
 
@@ -115,30 +109,6 @@ namespace Content.Server.AME.Components
 
         }
 
-        /// <summary>
-        /// Called when you click the owner entity with an empty hand. Opens the UI client-side if possible.
-        /// </summary>
-        /// <param name="args">Data relevant to the event such as the actor which triggered it.</param>
-        void IActivate.Activate(ActivateEventArgs args)
-        {
-            if (!_entities.TryGetComponent(args.User, out ActorComponent? actor))
-            {
-                return;
-            }
-
-            if (!_entities.TryGetComponent(args.User, out HandsComponent? hands))
-            {
-                Owner.PopupMessage(args.User, Loc.GetString("ame-controller-component-interact-no-hands-text"));
-                return;
-            }
-
-            var activeHandEntity = hands.GetActiveHandItem?.Owner;
-            if (activeHandEntity == null)
-            {
-                UserInterface?.Open(actor.PlayerSession);
-            }
-        }
-
         private void OnPowerChanged(PowerChangedMessage e)
         {
             UpdateUserInterface();

Content.Server/Arcade/ArcadeSystem.cs

@@ -1,18 +1,40 @@
-using System.Collections.Generic;
+using System.Linq;
-using System.Linq;
 using Content.Server.Arcade.Components;
+using Content.Server.UserInterface;
 using Content.Shared.Arcade;
-using Robust.Shared.GameObjects;
 using Robust.Shared.Utility;
+using Robust.Server.GameObjects;
+
 
 namespace Content.Server.Arcade
 {
     // ReSharper disable once ClassNeverInstantiated.Global
-    public sealed class BlockGameSystem : EntitySystem
+    public sealed class ArcadeSystem : EntitySystem
     {
         private readonly List<BlockGameMessages.HighScoreEntry> _roundHighscores = new();
         private readonly List<BlockGameMessages.HighScoreEntry> _globalHighscores = new();
 
+        public override void Initialize()
+        {
+            base.Initialize();
+            SubscribeLocalEvent<BlockGameArcadeComponent, AfterActivatableUIOpenEvent>(OnAfterUIOpen);
+            SubscribeLocalEvent<SpaceVillainArcadeComponent, AfterActivatableUIOpenEvent>(OnAfterUIOpenSV);
+        }
+
+        private void OnAfterUIOpen(EntityUid uid, BlockGameArcadeComponent component, AfterActivatableUIOpenEvent args)
+        {
+            var actor = Comp<ActorComponent>(args.User);
+            if (component.UserInterface?.SessionHasOpen(actor.PlayerSession) == true)
+            {
+                 component.RegisterPlayerSession(actor.PlayerSession);
+            }
+        }
+
+        private void OnAfterUIOpenSV(EntityUid uid, SpaceVillainArcadeComponent component, AfterActivatableUIOpenEvent args)
+        {
+            component.Game ??= new SpaceVillainArcadeComponent.SpaceVillainGame(component);
+        }
+
         public HighScorePlacement RegisterHighScore(string name, int score)
         {
             var entry = new BlockGameMessages.HighScoreEntry(name, score);

Content.Server/Arcade/Components/BlockGameArcadeComponent.cs

@@ -1,29 +1,22 @@
-using System;
-using System.Collections.Generic;
 using System.Linq;
 using Content.Server.Power.Components;
 using Content.Server.UserInterface;
-using Content.Shared.ActionBlocker;
 using Content.Shared.Arcade;
 using Content.Shared.Interaction;
 using Robust.Server.GameObjects;
 using Robust.Server.Player;
-using Robust.Shared.GameObjects;
-using Robust.Shared.IoC;
-using Robust.Shared.Maths;
 using Robust.Shared.Random;
 
 namespace Content.Server.Arcade.Components
 {
     [RegisterComponent]
-    [ComponentReference(typeof(IActivate))]
+    public sealed class BlockGameArcadeComponent : Component
-    public sealed class BlockGameArcadeComponent : Component, IActivate
     {
         [Dependency] private readonly IRobustRandom _random = default!;
         [Dependency] private readonly IEntityManager _entityManager = default!;
 
-        private bool Powered => _entityManager.TryGetComponent<ApcPowerReceiverComponent>(Owner, out var powerReceiverComponent) && powerReceiverComponent.Powered;
+        public bool Powered => _entityManager.TryGetComponent<ApcPowerReceiverComponent>(Owner, out var powerReceiverComponent) && powerReceiverComponent.Powered;
-        private BoundUserInterface? UserInterface => Owner.GetUIOrNull(BlockGameUiKey.Key);
+        public BoundUserInterface? UserInterface => Owner.GetUIOrNull(BlockGameUiKey.Key);
 
         private BlockGame? _game;
 
@@ -44,19 +37,7 @@ namespace Content.Server.Arcade.Components
             }
         }
 
-        void IActivate.Activate(ActivateEventArgs eventArgs)
+        public void RegisterPlayerSession(IPlayerSession session)
-        {
-            if(!Powered || !IoCManager.Resolve<IEntityManager>().TryGetComponent(eventArgs.User, out ActorComponent? actor))
-                return;
-
-            UserInterface?.Toggle(actor.PlayerSession);
-            if (UserInterface?.SessionHasOpen(actor.PlayerSession) == true)
-            {
-                RegisterPlayerSession(actor.PlayerSession);
-            }
-        }
-
-        private void RegisterPlayerSession(IPlayerSession session)
         {
             if (_player == null) _player = session;
             else _spectators.Add(session);
@@ -233,7 +214,7 @@ namespace Content.Server.Arcade.Components
             }
             private int _internalPoints;
 
-            private BlockGameSystem.HighScorePlacement? _highScorePlacement = null;
+            private ArcadeSystem.HighScorePlacement? _highScorePlacement = null;
 
             private void SendPointsUpdate()
             {
@@ -292,13 +273,13 @@ namespace Content.Server.Arcade.Components
 
             private void SendHighscoreUpdate()
             {
-                var entitySystem = EntitySystem.Get<BlockGameSystem>();
+                var entitySystem = EntitySystem.Get<ArcadeSystem>();
                 _component.UserInterface?.SendMessage(new BlockGameMessages.BlockGameHighScoreUpdateMessage(entitySystem.GetLocalHighscores(), entitySystem.GetGlobalHighscores()));
             }
 
             private void SendHighscoreUpdate(IPlayerSession session)
             {
-                var entitySystem = EntitySystem.Get<BlockGameSystem>();
+                var entitySystem = EntitySystem.Get<ArcadeSystem>();
                 _component.UserInterface?.SendMessage(new BlockGameMessages.BlockGameHighScoreUpdateMessage(entitySystem.GetLocalHighscores(), entitySystem.GetGlobalHighscores()), session);
             }
 
@@ -656,7 +637,7 @@ namespace Content.Server.Arcade.Components
 
                 if (_component._player?.AttachedEntity is {Valid: true} playerEntity)
                 {
-                    var blockGameSystem = EntitySystem.Get<BlockGameSystem>();
+                    var blockGameSystem = EntitySystem.Get<ArcadeSystem>();
 
                     _highScorePlacement = blockGameSystem.RegisterHighScore(IoCManager.Resolve<IEntityManager>().GetComponent<MetaDataComponent>(playerEntity).EntityName, Points);
                     SendHighscoreUpdate();

Content.Server/Arcade/Components/SpaceVillainArcadeComponent.cs

@@ -1,32 +1,22 @@
-using System;
-using System.Collections.Generic;
 using Content.Server.Power.Components;
 using Content.Server.UserInterface;
 using Content.Server.VendingMachines;
 using Content.Server.WireHacking;
-using Content.Shared.ActionBlocker;
 using Content.Shared.Arcade;
 using Content.Shared.Interaction;
 using Content.Shared.Sound;
 using Content.Shared.Wires;
 using Robust.Server.GameObjects;
 using Robust.Shared.Audio;
-using Robust.Shared.GameObjects;
-using Robust.Shared.IoC;
-using Robust.Shared.Localization;
-using Robust.Shared.Maths;
 using Robust.Shared.Player;
 using Robust.Shared.Prototypes;
 using Robust.Shared.Random;
-using Robust.Shared.Serialization.Manager.Attributes;
 using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype.List;
-using Robust.Shared.ViewVariables;
 
 namespace Content.Server.Arcade.Components
 {
     [RegisterComponent]
-    [ComponentReference(typeof(IActivate))]
+    public sealed class SpaceVillainArcadeComponent : SharedSpaceVillainArcadeComponent, IWires
-    public sealed class SpaceVillainArcadeComponent : SharedSpaceVillainArcadeComponent, IActivate, IWires
     {
         [Dependency] private readonly IRobustRandom _random = null!;
 
@@ -37,7 +27,7 @@ namespace Content.Server.Arcade.Components
         [ViewVariables] private bool _overflowFlag;
         [ViewVariables] private bool _playerInvincibilityFlag;
         [ViewVariables] private bool _enemyInvincibilityFlag;
-        [ViewVariables] private SpaceVillainGame _game = null!;
+        [ViewVariables] public SpaceVillainGame Game = null!;
 
         [DataField("newGameSound")] private SoundSpecifier _newGameSound = new SoundPathSpecifier("/Audio/Effects/Arcade/newgame.ogg");
         [DataField("playerAttackSound")] private SoundSpecifier _playerAttackSound = new SoundPathSpecifier("/Audio/Effects/Arcade/player_attack.ogg");
@@ -72,22 +62,6 @@ namespace Content.Server.Arcade.Components
             "ToyPhazon", "ToyFireRipley", "ToyReticence", "ToyRipley", "ToySeraph", "ToyDurand", "ToySkeleton"
         };
 
-        void IActivate.Activate(ActivateEventArgs eventArgs)
-        {
-            if (!Powered || !IoCManager.Resolve<IEntityManager>().TryGetComponent(eventArgs.User, out ActorComponent? actor))
-                return;
-
-            _game ??= new SpaceVillainGame(this);
-
-            if (_entityManager.TryGetComponent<WiresComponent>(Owner, out var wiresComponent) && wiresComponent.IsPanelOpen)
-            {
-                wiresComponent.OpenInterface(actor.PlayerSession);
-            }
-            else
-            {
-                UserInterface?.Toggle(actor.PlayerSession);
-            }
-        }
 
         protected override void Initialize()
         {
@@ -131,22 +105,22 @@ namespace Content.Server.Arcade.Components
             switch (msg.PlayerAction)
             {
                 case PlayerAction.Attack:
-                    _game?.ExecutePlayerAction(msg.PlayerAction);
+                    Game?.ExecutePlayerAction(msg.PlayerAction);
                     break;
                 case PlayerAction.Heal:
-                    _game?.ExecutePlayerAction(msg.PlayerAction);
+                    Game?.ExecutePlayerAction(msg.PlayerAction);
                     break;
                 case PlayerAction.Recharge:
-                    _game?.ExecutePlayerAction(msg.PlayerAction);
+                    Game?.ExecutePlayerAction(msg.PlayerAction);
                     break;
                 case PlayerAction.NewGame:
                     SoundSystem.Play(Filter.Pvs(Owner), _newGameSound.GetSound(), Owner, AudioParams.Default.WithVolume(-4f));
 
-                    _game = new SpaceVillainGame(this);
+                    Game = new SpaceVillainGame(this);
-                    UserInterface?.SendMessage(_game.GenerateMetaDataMessage());
+                    UserInterface?.SendMessage(Game.GenerateMetaDataMessage());
                     break;
                 case PlayerAction.RequestData:
-                    UserInterface?.SendMessage(_game.GenerateMetaDataMessage());
+                    UserInterface?.SendMessage(Game.GenerateMetaDataMessage());
                     break;
             }
         }

Content.Server/Atmos/Components/GasAnalyzerComponent.cs

@@ -1,4 +1,3 @@
-using System.Collections.Generic;
 using System.Threading.Tasks;
 using Content.Server.Atmos.EntitySystems;
 using Content.Server.Hands.Components;
@@ -9,18 +8,13 @@ using Content.Shared.Interaction;
 using Content.Shared.Popups;
 using Robust.Server.GameObjects;
 using Robust.Server.Player;
-using Robust.Shared.GameObjects;
-using Robust.Shared.IoC;
-using Robust.Shared.Localization;
 using Robust.Shared.Map;
-using Robust.Shared.ViewVariables;
 
 namespace Content.Server.Atmos.Components
 {
     [RegisterComponent]
-    [ComponentReference(typeof(IActivate))]
     [ComponentReference(typeof(SharedGasAnalyzerComponent))]
-    public sealed class GasAnalyzerComponent : SharedGasAnalyzerComponent, IAfterInteract, IDropped, IActivate
+    public sealed class GasAnalyzerComponent : SharedGasAnalyzerComponent, IAfterInteract, IDropped
     {
         [Dependency] private readonly IEntityManager _entities = default!;
 
@@ -263,8 +257,6 @@ namespace Content.Server.Atmos.Components
             return true;
         }
 
-
-
         void IDropped.Dropped(DroppedEventArgs eventArgs)
         {
             if (_entities.TryGetComponent(eventArgs.User, out ActorComponent? actor))
@@ -272,15 +264,5 @@ namespace Content.Server.Atmos.Components
                 CloseInterface(actor.PlayerSession);
             }
         }
-
-        void IActivate.Activate(ActivateEventArgs eventArgs)
-        {
-            if (_entities.TryGetComponent(eventArgs.User, out ActorComponent? actor))
-            {
-                ToggleInterface(actor.PlayerSession);
-                return;
-            }
-            return;
-        }
     }
 }

Content.Server/Atmos/Components/GasTankComponent.cs

@@ -20,9 +20,8 @@ using Robust.Shared.Utility;
 namespace Content.Server.Atmos.Components
 {
     [RegisterComponent]
-    [ComponentReference(typeof(IActivate))]
 #pragma warning disable 618
-    public sealed class GasTankComponent : Component, IExamine, IGasMixtureHolder, IDropped, IActivate
+    public sealed class GasTankComponent : Component, IExamine, IGasMixtureHolder, IDropped
 #pragma warning restore 618
     {
         [Dependency] private readonly IEntityManager _entMan = default!;
@@ -147,12 +146,6 @@ namespace Content.Server.Atmos.Components
             return air;
         }
 
-        void IActivate.Activate(ActivateEventArgs eventArgs)
-        {
-            if (!_entMan.TryGetComponent(eventArgs.User, out ActorComponent? actor)) return;
-            OpenInterface(actor.PlayerSession);
-        }
-
         public void ConnectToInternals()
         {
             if (IsConnected || !IsFunctional) return;

Content.Server/Body/Components/BodyScannerComponent.cs

@@ -1,45 +1,16 @@
 using Content.Server.UserInterface;
 using Content.Shared.Body.Components;
-using Content.Shared.Interaction;
 using Robust.Server.GameObjects;
-using Robust.Shared.GameObjects;
-using Robust.Shared.IoC;
-using Robust.Shared.ViewVariables;
 
 namespace Content.Server.Body.Components
 {
     [RegisterComponent]
-    [ComponentReference(typeof(IActivate))]
     [ComponentReference(typeof(SharedBodyScannerComponent))]
-    public sealed class BodyScannerComponent : SharedBodyScannerComponent, IActivate
+    public sealed class BodyScannerComponent : SharedBodyScannerComponent
     {
         [Dependency] private readonly IEntityManager _entMan = default!;
 
         [ViewVariables] private BoundUserInterface? UserInterface => Owner.GetUIOrNull(BodyScannerUiKey.Key);
-
-        void IActivate.Activate(ActivateEventArgs eventArgs)
-        {
-            if (!_entMan.TryGetComponent(eventArgs.User, out ActorComponent? actor))
-            {
-                return;
-            }
-
-            var session = actor.PlayerSession;
-
-            if (session.AttachedEntity == default)
-            {
-                return;
-            }
-
-            if (_entMan.TryGetComponent(session.AttachedEntity, out SharedBodyComponent? body))
-            {
-                var state = InterfaceState(body);
-                UserInterface?.SetState(state);
-            }
-
-            UserInterface?.Open(session);
-        }
-
         protected override void Initialize()
         {
             base.Initialize();

Content.Server/CharacterAppearance/Components/MagicMirrorComponent.cs

@@ -2,25 +2,17 @@ using Content.Server.CharacterAppearance.Systems;
 using Content.Server.UserInterface;
 using Content.Shared.CharacterAppearance;
 using Content.Shared.CharacterAppearance.Components;
-using Content.Shared.Interaction;
-using Content.Shared.Popups;
 using Robust.Server.GameObjects;
-using Robust.Shared.GameObjects;
-using Robust.Shared.IoC;
-using Robust.Shared.Localization;
-using Robust.Shared.Maths;
-using Robust.Shared.ViewVariables;
 
 namespace Content.Server.CharacterAppearance.Components
 {
     [RegisterComponent]
-    [ComponentReference(typeof(IActivate))]
+    public sealed class MagicMirrorComponent : SharedMagicMirrorComponent
-    public sealed class MagicMirrorComponent : SharedMagicMirrorComponent, IActivate
     {
         [Dependency] private readonly IEntityManager _entities = default!;
         [Dependency] private readonly SpriteAccessoryManager _spriteAccessoryManager = default!;
 
-        [ViewVariables] private BoundUserInterface? UserInterface => Owner.GetUIOrNull(MagicMirrorUiKey.Key);
+        [ViewVariables] public BoundUserInterface? UserInterface => Owner.GetUIOrNull(MagicMirrorUiKey.Key);
 
         protected override void Initialize()
         {
@@ -94,36 +86,5 @@ namespace Content.Server.CharacterAppearance.Components
 
             EntitySystem.Get<HumanoidAppearanceSystem>().ForceAppearanceUpdate(player);
         }
-
-        void IActivate.Activate(ActivateEventArgs eventArgs)
-        {
-            if (!_entities.TryGetComponent(eventArgs.User, out ActorComponent? actor))
-            {
-                return;
-            }
-
-            if (!_entities.TryGetComponent(eventArgs.User, out HumanoidAppearanceComponent? looks))
-            {
-                Owner.PopupMessage(eventArgs.User, Loc.GetString("magic-mirror-component-activate-user-has-no-hair"));
-                return;
-            }
-
-            UserInterface?.Toggle(actor.PlayerSession);
-
-            var appearance = looks.Appearance;
-
-            var msg = new MagicMirrorInitialDataMessage(
-                appearance.HairColor,
-                appearance.FacialHairColor,
-                appearance.HairStyleId,
-                appearance.FacialHairStyleId,
-                appearance.EyeColor,
-                looks.CategoriesHair,
-                looks.CategoriesFacialHair,
-                looks.CanColorHair,
-                looks.CanColorFacialHair);
-
-            UserInterface?.SendMessage(msg, actor.PlayerSession);
-        }
     }
 }

Content.Server/CharacterAppearance/Systems/HumanoidAppearanceSystem.cs

@@ -2,8 +2,6 @@ using Content.Shared.Body.Components;
 using Content.Shared.CharacterAppearance.Components;
 using Content.Shared.CharacterAppearance.Systems;
 using Robust.Server.GameObjects;
-using Robust.Shared.GameObjects;
-using Robust.Shared.IoC;
 
 namespace Content.Server.CharacterAppearance.Systems
 {

Content.Server/CharacterAppearance/Systems/MagicMirrorSystem.cs

@@ -0,0 +1,42 @@
+using Content.Server.CharacterAppearance.Components;
+using Content.Server.UserInterface;
+using Content.Shared.CharacterAppearance.Components;
+using Robust.Server.GameObjects;
+
+namespace Content.Server.CharacterAppearance.Systems
+{
+    public sealed class MagicMirrorSystem : EntitySystem
+    {
+        public override void Initialize()
+        {
+            base.Initialize();
+            SubscribeLocalEvent<MagicMirrorComponent, ActivatableUIOpenAttemptEvent>(OnOpenUIAttempt);
+            SubscribeLocalEvent<MagicMirrorComponent, AfterActivatableUIOpenEvent>(AfterUIOpen);
+        }
+
+        private void OnOpenUIAttempt(EntityUid uid, MagicMirrorComponent mirror, ActivatableUIOpenAttemptEvent args)
+        {
+            if (!HasComp<HumanoidAppearanceComponent>(args.User))
+                args.Cancel();
+        }
+        private void AfterUIOpen(EntityUid uid, MagicMirrorComponent component, AfterActivatableUIOpenEvent args)
+        {
+            var looks = Comp<HumanoidAppearanceComponent>(args.User);
+            var actor = Comp<ActorComponent>(args.User);
+            var appearance = looks.Appearance;
+
+            var msg = new MagicMirrorComponent.MagicMirrorInitialDataMessage(
+                appearance.HairColor,
+                appearance.FacialHairColor,
+                appearance.HairStyleId,
+                appearance.FacialHairStyleId,
+                appearance.EyeColor,
+                looks.CategoriesHair,
+                looks.CategoriesFacialHair,
+                looks.CanColorHair,
+                looks.CanColorFacialHair);
+
+            component.UserInterface?.SendMessage(msg, actor.PlayerSession);
+        }
+    }
+}

Content.Server/Chemistry/Components/ChemMasterComponent.cs

@@ -1,28 +1,19 @@
-using System;
-using System.Collections.Generic;
-using Content.Server.Chemistry.Components.SolutionManager;
 using Content.Server.Chemistry.EntitySystems;
 using Content.Server.Hands.Components;
 using Content.Server.Labels.Components;
 using Content.Server.Power.Components;
 using Content.Server.UserInterface;
-using Content.Shared.ActionBlocker;
 using Content.Shared.Chemistry.Components;
 using Content.Shared.Containers.ItemSlots;
 using Content.Shared.FixedPoint;
-using Content.Shared.Interaction;
 using Content.Shared.Item;
 using Content.Shared.Popups;
 using Content.Shared.Random.Helpers;
 using Content.Shared.Sound;
 using Robust.Server.GameObjects;
 using Robust.Shared.Audio;
-using Robust.Shared.GameObjects;
+
-using Robust.Shared.IoC;
-using Robust.Shared.Localization;
 using Robust.Shared.Player;
-using Robust.Shared.Serialization.Manager.Attributes;
-using Robust.Shared.ViewVariables;
 
 namespace Content.Server.Chemistry.Components
 {
@@ -33,9 +24,8 @@ namespace Content.Server.Chemistry.Components
     /// Messages sent from the client are used to handle ui button presses.
     /// </summary>
     [RegisterComponent]
-    [ComponentReference(typeof(IActivate))]
     [ComponentReference(typeof(SharedChemMasterComponent))]
-    public sealed class ChemMasterComponent : SharedChemMasterComponent, IActivate
+    public sealed class ChemMasterComponent : SharedChemMasterComponent
     {
         [Dependency] private readonly IEntityManager _entities = default!;
 
@@ -385,30 +375,6 @@ namespace Content.Server.Chemistry.Components
             UpdateUserInterface();
         }
 
-        /// <summary>
-        /// Called when you click the owner entity with an empty hand. Opens the UI client-side if possible.
-        /// </summary>
-        /// <param name="args">Data relevant to the event such as the actor which triggered it.</param>
-        void IActivate.Activate(ActivateEventArgs args)
-        {
-            if (!_entities.TryGetComponent(args.User, out ActorComponent? actor))
-            {
-                return;
-            }
-
-            if (!_entities.TryGetComponent(args.User, out HandsComponent? hands))
-            {
-                Owner.PopupMessage(args.User, Loc.GetString("chem-master-component-activate-no-hands"));
-                return;
-            }
-
-            var activeHandEntity = hands.GetActiveHandItem?.Owner;
-            if (activeHandEntity == null)
-            {
-                UserInterface?.Open(actor.PlayerSession);
-            }
-        }
-
         private void ClickSound()
         {
             SoundSystem.Play(Filter.Pvs(Owner), _clickSound.GetSound(), Owner, AudioParams.Default.WithVolume(-2f));

Content.Server/Chemistry/Components/ReagentDispenserComponent.cs

@@ -1,30 +1,17 @@
-using System;
-using System.Collections.Generic;
 using System.Linq;
-using Content.Server.Chemistry.Components.SolutionManager;
 using Content.Server.Chemistry.EntitySystems;
-using Content.Server.Hands.Components;
 using Content.Server.Power.Components;
 using Content.Server.UserInterface;
-using Content.Shared.ActionBlocker;
 using Content.Shared.Chemistry.Components;
 using Content.Shared.Chemistry.Dispenser;
 using Content.Shared.Containers.ItemSlots;
 using Content.Shared.FixedPoint;
-using Content.Shared.Interaction;
-using Content.Shared.Popups;
 using Content.Shared.Sound;
 using JetBrains.Annotations;
 using Robust.Server.GameObjects;
 using Robust.Shared.Audio;
-using Robust.Shared.GameObjects;
-using Robust.Shared.IoC;
-using Robust.Shared.Localization;
-using Robust.Shared.Log;
 using Robust.Shared.Player;
 using Robust.Shared.Prototypes;
-using Robust.Shared.Serialization.Manager.Attributes;
-using Robust.Shared.ViewVariables;
 using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype;
 
 namespace Content.Server.Chemistry.Components
@@ -36,9 +23,8 @@ namespace Content.Server.Chemistry.Components
     /// Messages sent from the client are used to handle ui button presses.
     /// </summary>
     [RegisterComponent]
-    [ComponentReference(typeof(IActivate))]
     [ComponentReference(typeof(SharedReagentDispenserComponent))]
-    public sealed class ReagentDispenserComponent : SharedReagentDispenserComponent, IActivate
+    public sealed class ReagentDispenserComponent : SharedReagentDispenserComponent
     {
         private static ReagentInventoryComparer _comparer = new();
         public static string SolutionName = "reagent";
@@ -296,30 +282,6 @@ namespace Content.Server.Chemistry.Components
             UpdateUserInterface();
         }
 
-        /// <summary>
-        /// Called when you click the owner entity with an empty hand. Opens the UI client-side if possible.
-        /// </summary>
-        /// <param name="args">Data relevant to the event such as the actor which triggered it.</param>
-        void IActivate.Activate(ActivateEventArgs args)
-        {
-            if (!_entities.TryGetComponent(args.User, out ActorComponent? actor))
-            {
-                return;
-            }
-
-            if (!_entities.TryGetComponent(args.User, out HandsComponent? hands))
-            {
-                Owner.PopupMessage(args.User, Loc.GetString("reagent-dispenser-component-activate-no-hands"));
-                return;
-            }
-
-            var activeHandEntity = hands.GetActiveHandItem?.Owner;
-            if (activeHandEntity == null)
-            {
-                UserInterface?.Open(actor.PlayerSession);
-            }
-        }
-
         private void ClickSound()
         {
             SoundSystem.Play(Filter.Pvs(Owner), _clickSound.GetSound(), Owner, AudioParams.Default.WithVolume(-2f));

Content.Server/Cloning/CloningSystem.cs

@@ -1,15 +1,9 @@
-using System.Collections.Generic;
 using System.Linq;
 using Content.Server.Cloning.Components;
 using Content.Server.Mind.Components;
 using Content.Server.Power.Components;
 using Content.Shared.GameTicking;
-using Content.Shared.Interaction;
 using Content.Shared.Preferences;
-using Robust.Server.GameObjects;
-using Robust.Shared.GameObjects;
-using Robust.Shared.IoC;
-using Robust.Shared.Maths;
 using Robust.Shared.Timing;
 using static Content.Shared.Cloning.SharedCloningPodComponent;
 
@@ -28,7 +22,6 @@ namespace Content.Server.Cloning
             base.Initialize();
 
             SubscribeLocalEvent<RoundRestartCleanupEvent>(Reset);
-            SubscribeLocalEvent<CloningPodComponent, ActivateInWorldEvent>(HandleActivate);
             SubscribeLocalEvent<BeingClonedComponent, MindAddedMessage>(HandleMindAdded);
         }
 
@@ -45,17 +38,6 @@ namespace Content.Server.Cloning
             ClonesWaitingForMind.Remove(mind);
         }
 
-        private void HandleActivate(EntityUid uid, CloningPodComponent component, ActivateInWorldEvent args)
-        {
-            if (!component.Powered ||
-                !EntityManager.TryGetComponent(args.User, out ActorComponent? actor))
-            {
-                return;
-            }
-
-            component.UserInterface?.Open(actor.PlayerSession);
-        }
-
         private void HandleMindAdded(EntityUid uid, BeingClonedComponent component, MindAddedMessage message)
         {
             if (component.Parent == EntityUid.Invalid ||

Content.Server/Disposal/Tube/Components/DisposalRouterComponent.cs

@@ -1,33 +1,18 @@
-using System;
-using System.Collections.Generic;
 using System.Text;
 using Content.Server.Disposal.Unit.Components;
-using Content.Server.Hands.Components;
 using Content.Server.UserInterface;
-using Content.Shared.ActionBlocker;
-using Content.Shared.Interaction;
-using Content.Shared.Popups;
 using Content.Shared.Sound;
-using Robust.Server.Console;
 using Robust.Server.GameObjects;
-using Robust.Server.Player;
 using Robust.Shared.Audio;
-using Robust.Shared.GameObjects;
-using Robust.Shared.IoC;
-using Robust.Shared.Localization;
-using Robust.Shared.Maths;
 using Robust.Shared.Physics;
 using Robust.Shared.Player;
-using Robust.Shared.Serialization.Manager.Attributes;
-using Robust.Shared.ViewVariables;
 using static Content.Shared.Disposal.Components.SharedDisposalRouterComponent;
 
 namespace Content.Server.Disposal.Tube.Components
 {
     [RegisterComponent]
-    [ComponentReference(typeof(IActivate))]
     [ComponentReference(typeof(IDisposalTubeComponent))]
-    public sealed class DisposalRouterComponent : DisposalJunctionComponent, IActivate
+    public sealed class DisposalRouterComponent : DisposalJunctionComponent
     {
         [Dependency] private readonly IEntityManager _entMan = default!;
 
@@ -131,30 +116,6 @@ namespace Content.Server.Disposal.Tube.Components
             SoundSystem.Play(Filter.Pvs(Owner), _clickSound.GetSound(), Owner, AudioParams.Default.WithVolume(-2f));
         }
 
-        /// <summary>
-        /// Called when you click the owner entity with an empty hand. Opens the UI client-side if possible.
-        /// </summary>
-        /// <param name="args">Data relevant to the event such as the actor which triggered it.</param>
-        void IActivate.Activate(ActivateEventArgs args)
-        {
-            if (!_entMan.TryGetComponent(args.User, out ActorComponent? actor))
-            {
-                return;
-            }
-
-            if (!_entMan.TryGetComponent(args.User, out HandsComponent? hands))
-            {
-                Owner.PopupMessage(args.User, Loc.GetString("disposal-router-window-tag-input-activate-no-hands"));
-                return;
-            }
-
-            var activeHandEntity = hands.GetActiveHandItem?.Owner;
-            if (activeHandEntity == null)
-            {
-                OpenUserInterface(actor);
-            }
-        }
-
         protected override void OnRemove()
         {
             UserInterface?.CloseAll();

Content.Server/Disposal/Tube/Components/DisposalTaggerComponent.cs

@@ -1,30 +1,17 @@
 using Content.Server.Disposal.Unit.Components;
-using Content.Server.Hands.Components;
 using Content.Server.UserInterface;
-using Content.Shared.ActionBlocker;
-using Content.Shared.Interaction;
-using Content.Shared.Popups;
 using Content.Shared.Sound;
-using Robust.Server.Console;
 using Robust.Server.GameObjects;
-using Robust.Server.Player;
 using Robust.Shared.Audio;
-using Robust.Shared.GameObjects;
-using Robust.Shared.IoC;
-using Robust.Shared.Localization;
-using Robust.Shared.Maths;
 using Robust.Shared.Physics;
 using Robust.Shared.Player;
-using Robust.Shared.Serialization.Manager.Attributes;
-using Robust.Shared.ViewVariables;
 using static Content.Shared.Disposal.Components.SharedDisposalTaggerComponent;
 
 namespace Content.Server.Disposal.Tube.Components
 {
     [RegisterComponent]
-    [ComponentReference(typeof(IActivate))]
     [ComponentReference(typeof(IDisposalTubeComponent))]
-    public sealed class DisposalTaggerComponent : DisposalTransitComponent, IActivate
+    public sealed class DisposalTaggerComponent : DisposalTransitComponent
     {
         [Dependency] private readonly IEntityManager _entMan = default!;
 
@@ -97,31 +84,6 @@ namespace Content.Server.Disposal.Tube.Components
         {
             SoundSystem.Play(Filter.Pvs(Owner), _clickSound.GetSound(), Owner, AudioParams.Default.WithVolume(-2f));
         }
-
-        /// <summary>
-        /// Called when you click the owner entity with an empty hand. Opens the UI client-side if possible.
-        /// </summary>
-        /// <param name="args">Data relevant to the event such as the actor which triggered it.</param>
-        void IActivate.Activate(ActivateEventArgs args)
-        {
-            if (!_entMan.TryGetComponent(args.User, out ActorComponent? actor))
-            {
-                return;
-            }
-
-            if (!_entMan.TryGetComponent(args.User, out HandsComponent? hands))
-            {
-                Owner.PopupMessage(args.User, Loc.GetString("disposal-tagger-window-activate-no-hands"));
-                return;
-            }
-
-            var activeHandEntity = hands.GetActiveHandItem?.Owner;
-            if (activeHandEntity == null)
-            {
-                OpenUserInterface(actor);
-            }
-        }
-
         protected override void OnRemove()
         {
             base.OnRemove();

Content.Server/Disposal/Tube/DisposalTubeSystem.cs

@@ -1,13 +1,12 @@
 using Content.Server.Disposal.Tube.Components;
+using Content.Server.UserInterface;
+using Content.Server.Hands.Components;
 using Content.Shared.Movement;
 using Content.Shared.Verbs;
+using Content.Shared.Popups;
 using Robust.Server.GameObjects;
 using Robust.Shared.Audio;
-using Robust.Shared.GameObjects;
-using Robust.Shared.IoC;
-using Robust.Shared.Localization;
 using Robust.Shared.Map;
-using Robust.Shared.Maths;
 using Robust.Shared.Player;
 using Robust.Shared.Timing;
 
@@ -23,10 +22,12 @@ namespace Content.Server.Disposal.Tube
             base.Initialize();
 
             SubscribeLocalEvent<DisposalTubeComponent, PhysicsBodyTypeChangedEvent>(BodyTypeChanged);
-
             SubscribeLocalEvent<DisposalTubeComponent, RelayMovementEntityEvent>(OnRelayMovement);
             SubscribeLocalEvent<DisposalTaggerComponent, GetVerbsEvent<InteractionVerb>>(AddOpenUIVerbs);
             SubscribeLocalEvent<DisposalRouterComponent, GetVerbsEvent<InteractionVerb>>(AddOpenUIVerbs);
+            SubscribeLocalEvent<DisposalRouterComponent, ActivatableUIOpenAttemptEvent>(OnOpenRouterUIAttempt);
+            SubscribeLocalEvent<DisposalTaggerComponent, ActivatableUIOpenAttemptEvent>(OnOpenTaggerUIAttempt);
+
         }
 
         private void AddOpenUIVerbs(EntityUid uid, DisposalTaggerComponent component, GetVerbsEvent<InteractionVerb> args)
@@ -72,6 +73,37 @@ namespace Content.Server.Disposal.Tube
             SoundSystem.Play(Filter.Pvs(uid), component.ClangSound.GetSound(), uid);
         }
 
+        private void OnOpenRouterUIAttempt(EntityUid uid, DisposalRouterComponent router, ActivatableUIOpenAttemptEvent args)
+        {
+            if (!TryComp<HandsComponent>(args.User, out var hands))
+            {
+                uid.PopupMessage(args.User, Loc.GetString("disposal-router-window-tag-input-activate-no-hands"));
+                return;
+            }
+
+            var activeHandEntity = hands.GetActiveHandItem?.Owner;
+            if (activeHandEntity != null)
+            {
+                args.Cancel();
+            }
+        }
+
+        private void OnOpenTaggerUIAttempt(EntityUid uid, DisposalTaggerComponent router, ActivatableUIOpenAttemptEvent args)
+        {
+            if (!TryComp<HandsComponent>(args.User, out var hands))
+            {
+                uid.PopupMessage(args.User, Loc.GetString("disposal-tagger-window-activate-no-hands"));
+                return;
+            }
+
+            var activeHandEntity = hands.GetActiveHandItem?.Owner;
+            if (activeHandEntity != null)
+            {
+                args.Cancel();
+            }
+        }
+
+
         private static void BodyTypeChanged(
             EntityUid uid,
             DisposalTubeComponent component,

Content.Server/Drone/Components/DroneComponent.cs

@@ -1,9 +1,4 @@
-using System.Collections.Generic;
 using Content.Server.Storage;
-using Robust.Shared.Analyzers;
-using Robust.Shared.GameObjects;
-using Robust.Shared.Serialization.Manager.Attributes;
-
 
 namespace Content.Server.Drone.Components
 {

Content.Server/Drone/DroneSystem.cs

@@ -51,7 +51,10 @@ namespace Content.Server.Drone
 
         private void OnActivateUIAttempt(EntityUid uid, DroneComponent component, UserOpenActivatableUIAttemptEvent args)
         {
-            args.Cancel();
+            if (!_tagSystem.HasTag(args.Target, "DroneUsable"))
+            {
+                args.Cancel();
+            }
         }
 
         private void OnExamined(EntityUid uid, DroneComponent component, ExaminedEvent args)

Content.Server/Kitchen/Components/MicrowaveComponent.cs

@@ -30,8 +30,7 @@ using Robust.Shared.Player;
 namespace Content.Server.Kitchen.Components
 {
     [RegisterComponent]
-    [ComponentReference(typeof(IActivate))]
+    public sealed class MicrowaveComponent : SharedMicrowaveComponent, IInteractUsing, ISuicideAct, IBreakAct
-    public sealed class MicrowaveComponent : SharedMicrowaveComponent, IActivate, IInteractUsing, ISuicideAct, IBreakAct
     {
         [Dependency] private readonly IEntityManager _entities = default!;
 
@@ -76,13 +75,13 @@ namespace Content.Server.Kitchen.Components
 
         private bool HasContents => _storage.ContainedEntities.Count > 0;
 
-        private bool _uiDirty = true;
+        public bool UIDirty = true;
         private bool _lostPower;
         private int _currentCookTimeButtonIndex;
 
         public void DirtyUi()
         {
-            _uiDirty = true;
+            UIDirty = true;
         }
 
         private Container _storage = default!;
@@ -121,7 +120,7 @@ namespace Content.Server.Kitchen.Components
                     {
                         EjectSolids();
                         ClickSound();
-                        _uiDirty = true;
+                        UIDirty = true;
                     }
 
                     break;
@@ -130,7 +129,7 @@ namespace Content.Server.Kitchen.Components
                     {
                         EjectSolid(msg.EntityID);
                         ClickSound();
-                        _uiDirty = true;
+                        UIDirty = true;
                     }
                     break;
 
@@ -138,7 +137,7 @@ namespace Content.Server.Kitchen.Components
                     _currentCookTimeButtonIndex = msg.ButtonIndex;
                     _currentCookTimerTime = msg.NewCookTime;
                     ClickSound();
-                    _uiDirty = true;
+                    UIDirty = true;
                     break;
             }
         }
@@ -157,7 +156,7 @@ namespace Content.Server.Kitchen.Components
                 _lostPower = true;
                 EjectSolids();
                 _busy = false;
-                _uiDirty = true;
+                UIDirty = true;
             }
 
             if (_busy && _broken)
@@ -167,10 +166,10 @@ namespace Content.Server.Kitchen.Components
                 _lostPower = true;
                 EjectSolids();
                 _busy = false;
-                _uiDirty = true;
+                UIDirty = true;
             }
 
-            if (_uiDirty)
+            if (UIDirty)
             {
                 UserInterface?.SetState(new MicrowaveUpdateUserInterfaceState
                 (
@@ -179,7 +178,7 @@ namespace Content.Server.Kitchen.Components
                     _currentCookTimeButtonIndex,
                     _currentCookTimerTime
                 ));
-                _uiDirty = false;
+                UIDirty = false;
             }
         }
 
@@ -203,17 +202,6 @@ namespace Content.Server.Kitchen.Components
             SetAppearance(MicrowaveVisualState.Broken);
         }
 
-        void IActivate.Activate(ActivateEventArgs eventArgs)
-        {
-            if (!_entities.TryGetComponent(eventArgs.User, out ActorComponent? actor) || !Powered)
-            {
-                return;
-            }
-
-            _uiDirty = true;
-            UserInterface?.Toggle(actor.PlayerSession);
-        }
-
         async Task<bool> IInteractUsing.InteractUsing(InteractUsingEventArgs eventArgs)
         {
             if (!Powered)
@@ -242,7 +230,7 @@ namespace Content.Server.Kitchen.Components
 
             var ent = food.Owner; //Get the entity of the ItemComponent.
             _storage.Insert(ent);
-            _uiDirty = true;
+            UIDirty = true;
             return true;
         }
 
@@ -353,10 +341,10 @@ namespace Content.Server.Kitchen.Components
                 SetAppearance(MicrowaveVisualState.Idle);
                 _busy = false;
 
-                _uiDirty = true;
+                UIDirty = true;
             });
             _lostPower = false;
-            _uiDirty = true;
+            UIDirty = true;
         }
 
         /// <summary>
@@ -544,7 +532,7 @@ namespace Content.Server.Kitchen.Components
 
             _currentCookTimerTime = 10;
             ClickSound();
-            _uiDirty = true;
+            UIDirty = true;
             Wzhzhzh();
             return SuicideKind.Heat;
         }

Content.Server/Kitchen/EntitySystems/MicrowaveSystem.cs

@@ -1,7 +1,7 @@
 using Content.Server.Chemistry.EntitySystems;
 using Content.Server.Kitchen.Components;
+using Content.Server.UserInterface;
 using JetBrains.Annotations;
-using Robust.Shared.GameObjects;
 
 namespace Content.Server.Kitchen.EntitySystems
 {

Content.Server/Lathe/Components/LatheComponent.cs

@@ -1,5 +1,3 @@
-using System;
-using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;
 using Content.Server.Materials;
@@ -13,15 +11,11 @@ using Content.Shared.Power;
 using Content.Shared.Research.Prototypes;
 using Robust.Server.GameObjects;
 using Robust.Server.Player;
-using Robust.Shared.GameObjects;
-using Robust.Shared.IoC;
-using Robust.Shared.ViewVariables;
 
 namespace Content.Server.Lathe.Components
 {
     [RegisterComponent]
-    [ComponentReference(typeof(IActivate))]
+    public sealed class LatheComponent : SharedLatheComponent, IInteractUsing
-    public sealed class LatheComponent : SharedLatheComponent, IInteractUsing, IActivate
     {
         [Dependency] private readonly IEntityManager _entMan = default!;
 
@@ -138,19 +132,6 @@ namespace Content.Server.Lathe.Components
         {
             UserInterface?.Open(session);
         }
-
-        void IActivate.Activate(ActivateEventArgs eventArgs)
-        {
-            if (!_entMan.TryGetComponent(eventArgs.User, out ActorComponent? actor))
-                return;
-            if (!Powered)
-            {
-                return;
-            }
-
-            OpenUserInterface(actor.PlayerSession);
-        }
-
         async Task<bool> IInteractUsing.InteractUsing(InteractUsingEventArgs eventArgs)
         {
             if (!_entMan.TryGetComponent(Owner, out MaterialStorageComponent? storage)

Content.Server/Paper/PaperComponent.cs

@@ -5,25 +5,20 @@ using Content.Shared.Interaction;
 using Content.Shared.Paper;
 using Content.Shared.Tag;
 using Robust.Server.GameObjects;
-using Robust.Shared.GameObjects;
+
-using Robust.Shared.IoC;
-using Robust.Shared.Localization;
-using Robust.Shared.Serialization.Manager.Attributes;
 using Robust.Shared.Utility;
-using Robust.Shared.ViewVariables;
 
 namespace Content.Server.Paper
 {
     [RegisterComponent]
 #pragma warning disable 618
     [ComponentReference(typeof(SharedPaperComponent))]
-    [ComponentReference(typeof(IActivate))]
+    public sealed class PaperComponent : SharedPaperComponent, IExamine, IInteractUsing
-    public sealed class PaperComponent : SharedPaperComponent, IExamine, IInteractUsing, IActivate
 #pragma warning restore 618
     {
         [Dependency] private readonly IEntityManager _entMan = default!;
 
-        private PaperAction _mode;
+        public PaperAction Mode;
         [DataField("content")]
         public string Content { get; set; } = "";
 
@@ -42,7 +37,7 @@ namespace Content.Server.Paper
                 UserInterface.OnReceiveMessage += OnUiReceiveMessage;
             }
 
-            _mode = PaperAction.Read;
+            Mode = PaperAction.Read;
             UpdateUserInterface();
         }
 
@@ -62,9 +57,9 @@ namespace Content.Server.Paper
             appearance.SetData(PaperVisuals.Status, status);
         }
 
-        private void UpdateUserInterface()
+        public void UpdateUserInterface()
         {
-            UserInterface?.SetState(new PaperBoundUserInterfaceState(Content, _mode));
+            UserInterface?.SetState(new PaperBoundUserInterfaceState(Content, Mode));
         }
 
         public void Examine(FormattedMessage message, bool inDetailsRange)
@@ -81,17 +76,6 @@ namespace Content.Server.Paper
             );
         }
 
-        void IActivate.Activate(ActivateEventArgs eventArgs)
-        {
-            if (!_entMan.TryGetComponent(eventArgs.User, out ActorComponent? actor))
-                return;
-
-            _mode = PaperAction.Read;
-            UpdateUserInterface();
-            UserInterface?.Toggle(actor.PlayerSession);
-            return;
-        }
-
         private void OnUiReceiveMessage(ServerBoundUserInterfaceMessage obj)
         {
             var msg = (PaperInputText) obj.Message;
@@ -118,7 +102,7 @@ namespace Content.Server.Paper
             if (!_entMan.TryGetComponent(eventArgs.User, out ActorComponent? actor))
                 return false;
 
-            _mode = PaperAction.Write;
+            Mode = PaperAction.Write;
             UpdateUserInterface();
             UserInterface?.Open(actor.PlayerSession);
             return true;

Content.Server/Paper/PaperSystem.cs

@@ -0,0 +1,20 @@
+using Content.Server.UserInterface;
+using Content.Shared.Paper;
+
+namespace Content.Server.Paper
+{
+    public sealed class PaperSystem : EntitySystem
+    {
+        public override void Initialize()
+        {
+            base.Initialize();
+            SubscribeLocalEvent<PaperComponent, BeforeActivatableUIOpenEvent>(AfterUIOpen);
+        }
+
+        private void AfterUIOpen(EntityUid uid, PaperComponent component, BeforeActivatableUIOpenEvent args)
+        {
+            component.Mode = SharedPaperComponent.PaperAction.Read;
+            component.UpdateUserInterface();
+        }
+    }
+}

Content.Server/ParticleAccelerator/Components/ParticleAcceleratorControlBoxComponent.cs

@@ -1,5 +1,3 @@
-using System;
-using System.Collections.Generic;
 using System.Diagnostics;
 using System.Diagnostics.CodeAnalysis;
 using System.Threading;
@@ -9,18 +7,10 @@ using Content.Server.Power.EntitySystems;
 using Content.Server.UserInterface;
 using Content.Server.VendingMachines;
 using Content.Server.WireHacking;
-using Content.Shared.ActionBlocker;
-using Content.Shared.Interaction;
 using Content.Shared.Singularity.Components;
 using Robust.Server.GameObjects;
-using Robust.Shared.GameObjects;
-using Robust.Shared.IoC;
-using Robust.Shared.Localization;
 using Robust.Shared.Map;
-using Robust.Shared.Maths;
-using Robust.Shared.Serialization.Manager.Attributes;
 using Robust.Shared.Utility;
-using Robust.Shared.ViewVariables;
 using static Content.Shared.Wires.SharedWiresComponent;
 using Timer = Robust.Shared.Timing.Timer;
 
@@ -32,9 +22,8 @@ namespace Content.Server.ParticleAccelerator.Components
     ///     Is the computer thing people interact with to control the PA.
     ///     Also contains primary logic for actual PA behavior, part scanning, etc...
     /// </summary>
-    [ComponentReference(typeof(IActivate))]
     [RegisterComponent]
-    public sealed class ParticleAcceleratorControlBoxComponent : ParticleAcceleratorPartComponent, IActivate, IWires
+    public sealed class ParticleAcceleratorControlBoxComponent : ParticleAcceleratorPartComponent, IWires
     {
         [Dependency] private readonly IEntityManager _entMan = default!;
         [Dependency] private readonly IMapManager _mapManager = default!;
@@ -210,30 +199,6 @@ namespace Content.Server.ParticleAccelerator.Components
 
             UserInterface?.SetState(state);
         }
-
-        void IActivate.Activate(ActivateEventArgs eventArgs)
-        {
-            if (!_entMan.TryGetComponent(eventArgs.User, out ActorComponent? actor))
-            {
-                return;
-            }
-
-            if (_entMan.TryGetComponent<WiresComponent?>(Owner, out var wires) && wires.IsPanelOpen)
-            {
-                wires.OpenInterface(actor.PlayerSession);
-            }
-            else
-            {
-                if (!ConsolePowered)
-                {
-                    return;
-                }
-
-                UserInterface?.Toggle(actor.PlayerSession);
-                UpdateUI();
-            }
-        }
-
         protected override void OnRemove()
         {
             UserInterface?.CloseAll();

Content.Server/Power/EntitySystems/ActivatableUIRequiresPowerSystem.cs

@@ -1,24 +1,8 @@
-using System.Linq;
-using Content.Shared;
-using Content.Shared.CCVar;
-using Content.Shared.ActionBlocker;
-using Content.Shared.Hands;
 using Content.Shared.Popups;
-using Content.Shared.Standing;
-using Content.Shared.Stunnable;
-using Content.Shared.Throwing;
-using Content.Shared.Interaction;
-using Content.Shared.Interaction.Helpers;
 using Content.Server.Power.Components;
 using Content.Server.UserInterface;
+using Content.Server.WireHacking;
 using JetBrains.Annotations;
-using Robust.Server.GameObjects;
-using Robust.Server.Player;
-using Robust.Shared.Configuration;
-using Robust.Shared.Localization;
-using Robust.Shared.GameObjects;
-using Robust.Shared.Network;
-using Robust.Shared.IoC;
 
 namespace Content.Server.Power.EntitySystems
 {
@@ -39,7 +23,9 @@ namespace Content.Server.Power.EntitySystems
             if (args.Cancelled) return;
             if (EntityManager.TryGetComponent<ApcPowerReceiverComponent>(uid, out var power) && !power.Powered)
             {
-                args.User.PopupMessageCursor(Loc.GetString("base-computer-ui-component-not-powered"));
+                if (TryComp<WiresComponent>(uid, out var wires) && wires.IsPanelOpen)
+                    return;
+                args.User.PopupMessageCursor(Loc.GetString("base-computer-ui-component-not-powered", ("machine", uid)));
                 args.Cancel();
             }
         }

Content.Server/Research/Components/ResearchClientComponent.cs

@@ -3,15 +3,12 @@ using Content.Shared.Interaction;
 using Content.Shared.Research.Components;
 using Robust.Server.GameObjects;
 using Robust.Server.Player;
-using Robust.Shared.GameObjects;
-using Robust.Shared.IoC;
-using Robust.Shared.ViewVariables;
 
 namespace Content.Server.Research.Components
 {
     [RegisterComponent]
     [Virtual]
-    public class ResearchClientComponent : SharedResearchClientComponent, IActivate
+    public class ResearchClientComponent : SharedResearchClientComponent
     {
         [Dependency] private readonly IEntitySystemManager _entitySystemManager = default!;
 
@@ -55,15 +52,6 @@ namespace Content.Server.Research.Components
             UpdateUserInterface();
             UserInterface?.Open(session);
         }
-
-        void IActivate.Activate(ActivateEventArgs eventArgs)
-        {
-            if (!IoCManager.Resolve<IEntityManager>().TryGetComponent(eventArgs.User, out ActorComponent? actor))
-                return;
-
-            OpenUserInterface(actor.PlayerSession);
-        }
-
         public void UpdateUserInterface()
         {
             UserInterface?.SetState(GetNewUiState());

Content.Server/Research/Components/ResearchConsoleComponent.cs

@@ -1,26 +1,18 @@
 using Content.Server.Power.Components;
 using Content.Server.UserInterface;
-using Content.Shared.Audio;
-using Content.Shared.Interaction;
 using Content.Shared.Research.Components;
 using Content.Shared.Research.Prototypes;
 using Content.Shared.Sound;
 using Robust.Server.GameObjects;
 using Robust.Server.Player;
 using Robust.Shared.Audio;
-using Robust.Shared.GameObjects;
-using Robust.Shared.IoC;
 using Robust.Shared.Player;
 using Robust.Shared.Prototypes;
-using Robust.Shared.Random;
-using Robust.Shared.Serialization.Manager.Attributes;
-using Robust.Shared.ViewVariables;
 
 namespace Content.Server.Research.Components
 {
     [RegisterComponent]
-    [ComponentReference(typeof(IActivate))]
+    public sealed class ResearchConsoleComponent : SharedResearchConsoleComponent
-    public sealed class ResearchConsoleComponent : SharedResearchConsoleComponent, IActivate
     {
         [Dependency] private readonly IEntityManager _entMan = default!;
         [Dependency] private readonly IPrototypeManager _prototypeManager = default!;
@@ -110,20 +102,7 @@ namespace Content.Server.Research.Components
             UserInterface?.Open(session);
         }
 
-        void IActivate.Activate(ActivateEventArgs eventArgs)
+        public void PlayKeyboardSound()
-        {
-            if (!_entMan.TryGetComponent(eventArgs.User, out ActorComponent? actor))
-                return;
-            if (!Powered)
-            {
-                return;
-            }
-
-            OpenUserInterface(actor.PlayerSession);
-            PlayKeyboardSound();
-        }
-
-        private void PlayKeyboardSound()
         {
             SoundSystem.Play(Filter.Pvs(Owner), _soundCollectionName.GetSound(), Owner, AudioParams.Default);
         }

Content.Server/Research/Components/ResearchPointSourceComponent.cs

@@ -1,14 +1,9 @@
 using Content.Server.Power.Components;
 using Content.Shared.Interaction;
-using Robust.Shared.GameObjects;
-using Robust.Shared.IoC;
-using Robust.Shared.Serialization.Manager.Attributes;
-using Robust.Shared.ViewVariables;
 
 namespace Content.Server.Research.Components
 {
     [RegisterComponent]
-    [ComponentReference(typeof(IActivate))]
     public sealed class ResearchPointSourceComponent : ResearchClientComponent
     {
         [DataField("pointspersecond")]

Content.Server/Research/ResearchSystem.cs

@@ -1,7 +1,7 @@
-using System.Collections.Generic;
+using Content.Server.UserInterface;
 using Content.Server.Research.Components;
 using JetBrains.Annotations;
-using Robust.Shared.GameObjects;
+
 
 namespace Content.Server.Research
 {
@@ -14,6 +14,17 @@ namespace Content.Server.Research
         private readonly List<ResearchServerComponent> _servers = new();
         public IReadOnlyList<ResearchServerComponent> Servers => _servers;
 
+        public override void Initialize()
+        {
+            base.Initialize();
+            SubscribeLocalEvent<ResearchConsoleComponent, AfterActivatableUIOpenEvent>(OnAfterUIOpen);
+        }
+
+        private void OnAfterUIOpen(EntityUid uid, ResearchConsoleComponent component, AfterActivatableUIOpenEvent args)
+        {
+            component.PlayKeyboardSound();
+        }
+
         public bool RegisterServer(ResearchServerComponent server)
         {
             if (_servers.Contains(server)) return false;

Content.Server/UserInterface/ActivatableUISystem.cs

@@ -112,13 +112,23 @@ namespace Content.Server.UserInterface
             // If we've gotten this far, fire a cancellable event that indicates someone is about to activate this.
             // This is so that stuff can require further conditions (like power).
             var oae = new ActivatableUIOpenAttemptEvent(user);
-            var uae = new UserOpenActivatableUIAttemptEvent(user);
+            var uae = new UserOpenActivatableUIAttemptEvent(user, aui.Owner);
             RaiseLocalEvent(user, uae, false);
             RaiseLocalEvent((aui).Owner, oae, false);
             if (oae.Cancelled || uae.Cancelled) return false;
 
+            // Give the UI an opportunity to prepare itself if it needs to do anything
+            // before opening
+            var bae = new BeforeActivatableUIOpenEvent(user);
+            RaiseLocalEvent((aui).Owner, bae, false);
+
             SetCurrentSingleUser((aui).Owner, actor.PlayerSession, aui);
             ui.Toggle(actor.PlayerSession);
+
+            //Let the component know a user opened it so it can do whatever it needs to do
+            var aae = new AfterActivatableUIOpenEvent(user);
+            RaiseLocalEvent((aui).Owner, aae, false);
+
             return true;
         }
 
@@ -153,11 +163,37 @@ namespace Content.Server.UserInterface
     public sealed class UserOpenActivatableUIAttemptEvent : CancellableEntityEventArgs //have to one-up the already stroke-inducing name
     {
         public EntityUid User { get; }
-        public UserOpenActivatableUIAttemptEvent(EntityUid who)
+        public EntityUid Target { get; }
+        public UserOpenActivatableUIAttemptEvent(EntityUid who, EntityUid target)
+        {
+            User = who;
+            Target = target;
+        }
+    }
+
+    public sealed class AfterActivatableUIOpenEvent : EntityEventArgs
+    {
+        public EntityUid User { get; }
+        public AfterActivatableUIOpenEvent(EntityUid who)
         {
             User = who;
         }
     }
+
+    /// <summary>
+    /// This is after it's decided the user can open the UI,
+    /// but before the UI actually opens.
+    /// Use this if you need to prepare the UI itself
+    /// </summary>
+    public sealed class BeforeActivatableUIOpenEvent : EntityEventArgs
+    {
+        public EntityUid User { get; }
+        public BeforeActivatableUIOpenEvent(EntityUid who)
+        {
+            User = who;
+        }
+    }
+
     public sealed class ActivatableUIPlayerChangedEvent : EntityEventArgs
     {
     }

Content.Server/VendingMachines/VendingMachineSystem.cs

@@ -1,23 +1,15 @@
-using System.Collections.Generic;
-using Content.Shared.Interaction;
 using Robust.Shared.Audio;
-using Robust.Shared.GameObjects;
-using Robust.Shared.IoC;
 using Robust.Shared.Player;
-using System;
 using System.Linq;
 using Content.Server.Popups;
 using Content.Server.Power.Components;
-using Content.Server.WireHacking;
 using Content.Shared.Access.Components;
 using Content.Shared.Access.Systems;
 using Content.Shared.VendingMachines;
 using Robust.Server.GameObjects;
-using Robust.Shared.Localization;
 using Robust.Shared.Prototypes;
 using Robust.Shared.Random;
 using Content.Server.Throwing;
-using Robust.Shared.Maths;
 using Content.Shared.Acts;
 using static Content.Shared.VendingMachines.SharedVendingMachineComponent;
 
@@ -34,7 +26,6 @@ namespace Content.Server.VendingMachines.systems
         {
             base.Initialize();
             SubscribeLocalEvent<VendingMachineComponent, ComponentInit>(OnComponentInit);
-            SubscribeLocalEvent<VendingMachineComponent, ActivateInWorldEvent>(HandleActivate);
             SubscribeLocalEvent<VendingMachineComponent, PowerChangedEvent>(OnPowerChanged);
             SubscribeLocalEvent<VendingMachineComponent, InventorySyncRequestMessage>(OnInventoryRequestMessage);
             SubscribeLocalEvent<VendingMachineComponent, VendingMachineEjectMessage>(OnInventoryEjectMessage);
@@ -72,30 +63,6 @@ namespace Content.Server.VendingMachines.systems
             AuthorizedVend(uid, entity, args.ID, component);
         }
 
-        private void HandleActivate(EntityUid uid, VendingMachineComponent component, ActivateInWorldEvent args)
-        {
-            if (!TryComp<ActorComponent>(args.User, out var actor))
-            {
-                return;
-            }
-
-            if (!IsPowered(uid, component))
-            {
-                return;
-            }
-
-            if (TryComp<WiresComponent>(uid, out var wires))
-            {
-                if (wires.IsPanelOpen)
-                {
-                    wires.OpenInterface(actor.PlayerSession);
-                    return;
-                }
-            }
-
-            component.UserInterface?.Toggle(actor.PlayerSession);
-        }
-
         private void OnPowerChanged(EntityUid uid, VendingMachineComponent component, PowerChangedEvent args)
         {
             TryUpdateVisualState(uid, null, component);

Resources/Locale/en-US/components/base-computer-ui-component.ftl

@@ -1 +1 @@
-base-computer-ui-component-not-powered = The computer is not powered.
+base-computer-ui-component-not-powered = {CAPITALIZE(THE($machine))} is not powered.

Resources/Prototypes/Entities/Objects/Misc/paper.yml

@@ -10,6 +10,8 @@
     layers:
     - state: paper
   - type: Paper
+  - type: ActivatableUI
+    key: enum.PaperUiKey.Key
   - type: UserInterface
     interfaces:
     - key: enum.PaperUiKey.Key

Resources/Prototypes/Entities/Objects/Specific/atmos.yml

@@ -9,6 +9,8 @@
     state: icon
     netsync: false
   - type: GasAnalyzer
+  - type: ActivatableUI
+    key: enum.GasAnalyzerUiKey.Key
   - type: UserInterface
     interfaces:
     - key: enum.GasAnalyzerUiKey.Key

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

@@ -6,6 +6,8 @@
   - type: Sprite
     sprite: Objects/Tanks/generic.rsi
     state: icon
+  - type: ActivatableUI
+    key: enum.SharedGasTankUiKey.Key
   - type: UserInterface
     interfaces:
     - key: enum.SharedGasTankUiKey.Key

Resources/Prototypes/Entities/Structures/Dispensers/base_structuredispensers.yml

@@ -26,6 +26,9 @@
         - SmallImpassable
   - type: ApcPowerReceiver
   - type: ExtensionCableReceiver
+  - type: ActivatableUI
+    key: enum.ReagentDispenserUiKey.Key
+  - type: ActivatableUIRequiresPower
   - type: UserInterface
     interfaces:
     - key: enum.ReagentDispenserUiKey.Key

Resources/Prototypes/Entities/Structures/Machines/Computers/arcades.yml

@@ -41,6 +41,9 @@
   - type: SpaceVillainArcade
   - type: Wires
     BoardName: "Arcade"
+  - type: ActivatableUI
+    key: enum.SpaceVillainArcadeUiKey.Key
+  - type: ActivatableUIRequiresPower
   - type: UserInterface
     interfaces:
       - key: enum.SpaceVillainArcadeUiKey.Key
@@ -57,6 +60,9 @@
   parent: ArcadeBase
   components:
   - type: BlockGameArcade
+  - type: ActivatableUI
+    key: enum.BlockGameUiKey.Key
+  - type: ActivatableUIRequiresPower
   - type: UserInterface
     interfaces:
       - key: enum.BlockGameUiKey.Key

Resources/Prototypes/Entities/Structures/Machines/Computers/computers.yml

@@ -156,6 +156,9 @@
   - type: ResearchClient
   - type: ResearchConsole
   - type: TechnologyDatabase
+  - type: ActivatableUI
+    key: enum.ResearchConsoleUiKey.Key
+  - type: ActivatableUIRequiresPower
   - type: UserInterface
     interfaces:
     - key: enum.ResearchConsoleUiKey.Key
@@ -226,6 +229,9 @@
   description: That's a body scanner.
   components:
   - type: BodyScanner
+  - type: ActivatableUI
+    key: enum.BodyScannerUiKey.Key
+  - type: ActivatableUIRequiresPower
   - type: UserInterface
     interfaces:
     - key: enum.BodyScannerUiKey.Key
@@ -295,6 +301,10 @@
     radius: 1.5
     energy: 1.6
     color: "#e6e227"
+  - type: Tag
+    tags:
+      - DroneUsable
+
 
 - type: entity
   parent: ComputerBase

Resources/Prototypes/Entities/Structures/Machines/chem_master.yml

@@ -45,6 +45,9 @@
         node: machineFrame
       - !type:DoActsBehavior
         acts: [ "Destruction" ]
+  - type: ActivatableUI
+    key: enum.ChemMasterUiKey.Key
+  - type: ActivatableUIRequiresPower
   - type: UserInterface
     interfaces:
     - key: enum.ChemMasterUiKey.Key

Resources/Prototypes/Entities/Structures/Machines/cloning_machine.yml

@@ -54,6 +54,8 @@
           enum.CloningPodStatus.NoMind: pod_e
           enum.CloningPodStatus.Gore: pod_g
           enum.CloningPodStatus.Idle: pod_0
+  - type: ActivatableUI
+    key: enum.CloningPodUIKey.Key #Ejecting doesn't require power so I didn't give it that component
   - type: UserInterface
     interfaces:
       - key: enum.CloningPodUIKey.Key

Resources/Prototypes/Entities/Structures/Machines/lathe.yml

@@ -70,6 +70,9 @@
     visuals:
     - type: AutolatheVisualizer
     - type: WiresVisualizer
+  - type: ActivatableUI
+    key: enum.LatheUiKey.Key
+  - type: ActivatableUIRequiresPower
   - type: UserInterface
     interfaces:
     - key: enum.LatheUiKey.Key
@@ -182,6 +185,9 @@
       - KitchenKnife
       - ButchCleaver
       - FlashlightLantern
+  - type: ActivatableUI
+    key: enum.LatheUiKey.Key #Yes only having 1 of them here doesn't break anything
+  - type: ActivatableUIRequiresPower
   - type: UserInterface
     interfaces:
     - key: enum.LatheUiKey.Key

Resources/Prototypes/Entities/Structures/Machines/medical_scanner.yml

@@ -49,6 +49,9 @@
   - type: Appearance
     visuals:
     - type: MedicalScannerVisualizer
+  - type: ActivatableUI
+    key: enum.MedicalScannerUiKey.Key
+  - type: ActivatableUIRequiresPower
   - type: UserInterface
     interfaces:
     - key: enum.MedicalScannerUiKey.Key

Resources/Prototypes/Entities/Structures/Machines/microwave.yml

@@ -14,6 +14,8 @@
   - type: Appearance
     visuals:
     - type: MicrowaveVisualizer
+  - type: ActivatableUI
+    key: enum.MicrowaveUiKey.Key
   - type: UserInterface
     interfaces:
     - key: enum.MicrowaveUiKey.Key

Resources/Prototypes/Entities/Structures/Machines/vending_machines.yml

@@ -37,6 +37,9 @@
       behaviors:
       - !type:DoActsBehavior
         acts: ["Breakage"]
+  - type: ActivatableUI
+    key: enum.VendingMachineUiKey.Key
+  - type: ActivatableUIRequiresPower
   - type: UserInterface
     interfaces:
     - key: enum.VendingMachineUiKey.Key
@@ -188,6 +191,9 @@
   - type: Advertise
     pack: ClothesMateAds
   - type: Speech
+  - type: Tag
+    tags:
+      - DroneUsable
   - type: Sprite
     sprite: Structures/Machines/VendingMachines/clothing.rsi
     layers:
@@ -657,6 +663,9 @@
     radius: 1.5
     energy: 1.6
     color: "#c73434"
+  - type: Tag
+    tags:
+      - DroneUsable
 
 - type: entity
   parent: VendingMachine
@@ -754,6 +763,9 @@
     radius: 1.5
     energy: 1.6
     color: "#d4ab33"
+  - type: Tag
+    tags:
+      - DroneUsable
 
 - type: entity
   parent: VendingMachine

Resources/Prototypes/Entities/Structures/Piping/Disposal/pipes.yml

@@ -114,6 +114,8 @@
     - type: DisposalVisualizer
       state_free: conpipe-tagger
       state_anchored: pipe-tagger
+  - type: ActivatableUI
+    key: enum.DisposalTaggerUiKey.Key
   - type: UserInterface
     interfaces:
     - key: enum.DisposalTaggerUiKey.Key
@@ -178,6 +180,8 @@
       state_anchored: pipe-j1s
   - type: Flippable
     mirrorEntity: DisposalRouterFlipped
+  - type: ActivatableUI
+    key: enum.DisposalRouterUiKey.Key
   - type: UserInterface
     interfaces:
     - key: enum.DisposalRouterUiKey.Key

Resources/Prototypes/Entities/Structures/Power/Generation/PA/control_box.yml

@@ -23,6 +23,9 @@
     - type: Construction
       graph: ParticleAcceleratorControlBox
       node: completed
+    - type: ActivatableUI
+      key: enum.ParticleAcceleratorControlBoxUiKey.Key
+    - type: ActivatableUIRequiresPower
     - type: UserInterface
       interfaces:
         - key: enum.ParticleAcceleratorControlBoxUiKey.Key

Resources/Prototypes/Entities/Structures/Power/Generation/ame.yml

@@ -46,6 +46,8 @@
   - type: Anchorable
   - type: Pullable
   - type: AMEController
+  - type: ActivatableUI
+    key: enum.AMEControllerUiKey.Key
   - type: UserInterface
     interfaces:
     - key: enum.AMEControllerUiKey.Key

Resources/Prototypes/Entities/Structures/Wallmounts/mirror.yml

@@ -12,6 +12,8 @@
   - type: Transform
     anchored: true
   - type: MagicMirror
+  - type: ActivatableUI
+    key: enum.MagicMirrorUiKey.Key
   - type: UserInterface
     interfaces:
     - key: enum.MagicMirrorUiKey.Key