From 7a03f00cfd97a29d6ddcdf67f7325a834aae9e68 Mon Sep 17 00:00:00 2001
From: 20kdc <asdd2808@gmail.com>
Date: Tue, 2 Nov 2021 00:42:04 +0000
Subject: [PATCH] Placeholder pAIs, ghost role rules window (#4972)

---
 Content.Client/Entry/IgnoredComponents.cs     |   1 +
 .../Ghost/Roles/UI/GhostRoleRulesWindow.xaml  |  12 ++
 .../Roles/UI/GhostRoleRulesWindow.xaml.cs     |  20 +++
 .../Ghost/Roles/UI/GhostRolesEui.cs           |  29 +++-
 .../Ghost/Roles/UI/GhostRolesWindow.xaml.cs   |   4 +-
 .../Ghost/Roles/UI/MakeGhostRoleEui.cs        |   5 +-
 .../Ghost/Roles/UI/MakeGhostRoleWindow.xaml   |   4 +
 .../Roles/UI/MakeGhostRoleWindow.xaml.cs      |   6 +-
 .../Roles/Components/GhostRoleComponent.cs    |  17 +-
 Content.Server/Ghost/Roles/GhostRoleSystem.cs |   2 +-
 .../Ghost/Roles/MakeGhostRoleCommand.cs       |   7 +-
 Content.Server/PAI/PAIComponent.cs            |  21 +++
 Content.Server/PAI/PAISystem.cs               | 154 ++++++++++++++++++
 .../Ghost/Roles/GhostRolesEuiMessages.cs      |   1 +
 Content.Shared/PAI/PAIShared.cs               |  23 +++
 .../ghost/roles/ghost-role-component.ftl      |   3 +
 Resources/Locale/en-US/pai/pai-system.ftl     |  15 ++
 .../Prototypes/Entities/Objects/Fun/pai.yml   |  38 +++++
 18 files changed, 350 insertions(+), 12 deletions(-)
 create mode 100644 Content.Client/Ghost/Roles/UI/GhostRoleRulesWindow.xaml
 create mode 100644 Content.Client/Ghost/Roles/UI/GhostRoleRulesWindow.xaml.cs
 create mode 100644 Content.Server/PAI/PAIComponent.cs
 create mode 100644 Content.Server/PAI/PAISystem.cs
 create mode 100644 Content.Shared/PAI/PAIShared.cs
 create mode 100644 Resources/Locale/en-US/ghost/roles/ghost-role-component.ftl
 create mode 100644 Resources/Locale/en-US/pai/pai-system.ftl
 create mode 100644 Resources/Prototypes/Entities/Objects/Fun/pai.yml

diff --git a/Content.Client/Entry/IgnoredComponents.cs b/Content.Client/Entry/IgnoredComponents.cs
index 23e9e9facb..492c685e29 100644
--- a/Content.Client/Entry/IgnoredComponents.cs
+++ b/Content.Client/Entry/IgnoredComponents.cs
@@ -65,6 +65,7 @@ namespace Content.Client.Entry
             "Paper",
             "Write",
             "Bloodstream",
+            "PAI",
             "TransformableContainer",
             "Mind",
             "StorageFill",
diff --git a/Content.Client/Ghost/Roles/UI/GhostRoleRulesWindow.xaml b/Content.Client/Ghost/Roles/UI/GhostRoleRulesWindow.xaml
new file mode 100644
index 0000000000..432f1e1bda
--- /dev/null
+++ b/Content.Client/Ghost/Roles/UI/GhostRoleRulesWindow.xaml
@@ -0,0 +1,12 @@
+<SS14Window xmlns="https://spacestation14.io"
+            Title="{Loc 'ghost-roles-window-title'}">
+    <BoxContainer Orientation="Vertical"
+                  HorizontalExpand="True">
+        <RichTextLabel Name="Title" VerticalExpand="True"/>
+        <Button Name="RequestButton"
+                Text="{Loc 'ghost-roles-window-request-role-button'}"
+                TextAlign="Center"
+                HorizontalAlignment="Center"
+                VerticalAlignment="Center" />
+    </BoxContainer>
+</SS14Window>
diff --git a/Content.Client/Ghost/Roles/UI/GhostRoleRulesWindow.xaml.cs b/Content.Client/Ghost/Roles/UI/GhostRoleRulesWindow.xaml.cs
new file mode 100644
index 0000000000..decc06fda8
--- /dev/null
+++ b/Content.Client/Ghost/Roles/UI/GhostRoleRulesWindow.xaml.cs
@@ -0,0 +1,20 @@
+using System;
+using Content.Shared.Ghost.Roles;
+using Robust.Client.AutoGenerated;
+using Robust.Client.UserInterface.Controls;
+using Robust.Client.UserInterface.CustomControls;
+using Robust.Client.UserInterface.XAML;
+
+namespace Content.Client.Ghost.Roles.UI
+{
+    [GenerateTypedNameReferences]
+    public partial class GhostRoleRulesWindow : SS14Window
+    {
+        public GhostRoleRulesWindow(string rules, Action<BaseButton.ButtonEventArgs> requestAction)
+        {
+            RobustXamlLoader.Load(this);
+            Title.SetMessage(rules);
+            RequestButton.OnPressed += requestAction;
+        }
+    }
+}
diff --git a/Content.Client/Ghost/Roles/UI/GhostRolesEui.cs b/Content.Client/Ghost/Roles/UI/GhostRolesEui.cs
index cd07bbda08..9769b67d44 100644
--- a/Content.Client/Ghost/Roles/UI/GhostRolesEui.cs
+++ b/Content.Client/Ghost/Roles/UI/GhostRolesEui.cs
@@ -9,14 +9,27 @@ namespace Content.Client.Ghost.Roles.UI
     public class GhostRolesEui : BaseEui
     {
         private readonly GhostRolesWindow _window;
+        private GhostRoleRulesWindow? _windowRules = null;
+        private uint _windowRulesId = 0;
 
         public GhostRolesEui()
         {
             _window = new GhostRolesWindow();
 
-            _window.RoleRequested += id =>
+            _window.RoleRequested += info =>
             {
-                SendMessage(new GhostRoleTakeoverRequestMessage(id));
+                if (_windowRules != null)
+                    _windowRules.Close();
+                _windowRules = new GhostRoleRulesWindow(info.Rules, _ =>
+                {
+                    SendMessage(new GhostRoleTakeoverRequestMessage(info.Identifier));
+                });
+                _windowRulesId = info.Identifier;
+                _windowRules.OnClose += () =>
+                {
+                    _windowRules = null;
+                };
+                _windowRules.OpenCentered();
             };
 
             _window.OnClose += () =>
@@ -35,6 +48,7 @@ namespace Content.Client.Ghost.Roles.UI
         {
             base.Closed();
             _window.Close();
+            _windowRules?.Close();
         }
 
         public override void HandleState(EuiStateBase state)
@@ -43,11 +57,22 @@ namespace Content.Client.Ghost.Roles.UI
 
             if (state is not GhostRolesEuiState ghostState) return;
 
+            var closeRulesWindow = true;
+
             _window.ClearEntries();
 
             foreach (var info in ghostState.GhostRoles)
             {
                 _window.AddEntry(info);
+                if (info.Identifier == _windowRulesId)
+                {
+                    closeRulesWindow = false;
+                }
+            }
+
+            if (closeRulesWindow)
+            {
+                _windowRules?.Close();
             }
         }
     }
diff --git a/Content.Client/Ghost/Roles/UI/GhostRolesWindow.xaml.cs b/Content.Client/Ghost/Roles/UI/GhostRolesWindow.xaml.cs
index 6b334c0753..f1aeaecf0f 100644
--- a/Content.Client/Ghost/Roles/UI/GhostRolesWindow.xaml.cs
+++ b/Content.Client/Ghost/Roles/UI/GhostRolesWindow.xaml.cs
@@ -8,7 +8,7 @@ namespace Content.Client.Ghost.Roles.UI
     [GenerateTypedNameReferences]
     public partial class GhostRolesWindow : SS14Window
     {
-        public event Action<uint>? RoleRequested;
+        public event Action<GhostRoleInfo>? RoleRequested;
 
         public void ClearEntries()
         {
@@ -19,7 +19,7 @@ namespace Content.Client.Ghost.Roles.UI
         public void AddEntry(GhostRoleInfo info)
         {
             NoRolesMessage.Visible = false;
-            EntryContainer.AddChild(new GhostRolesEntry(info, _ => RoleRequested?.Invoke(info.Identifier)));
+            EntryContainer.AddChild(new GhostRolesEntry(info, _ => RoleRequested?.Invoke(info)));
         }
     }
 }
diff --git a/Content.Client/Ghost/Roles/UI/MakeGhostRoleEui.cs b/Content.Client/Ghost/Roles/UI/MakeGhostRoleEui.cs
index 63e79b0c5c..3fce0768d0 100644
--- a/Content.Client/Ghost/Roles/UI/MakeGhostRoleEui.cs
+++ b/Content.Client/Ghost/Roles/UI/MakeGhostRoleEui.cs
@@ -42,7 +42,7 @@ namespace Content.Client.Ghost.Roles.UI
             _window.OpenCentered();
         }
 
-        private void OnMake(EntityUid uid, string name, string description, bool makeSentient)
+        private void OnMake(EntityUid uid, string name, string description, string rules, bool makeSentient)
         {
             var player = _playerManager.LocalPlayer;
             if (player == null)
@@ -54,7 +54,8 @@ namespace Content.Client.Ghost.Roles.UI
                 $"makeghostrole " +
                 $"\"{CommandParsing.Escape(uid.ToString())}\" " +
                 $"\"{CommandParsing.Escape(name)}\" " +
-                $"\"{CommandParsing.Escape(description)}\"";
+                $"\"{CommandParsing.Escape(description)}\" " +
+                $"\"{CommandParsing.Escape(rules)}\"";
 
             _consoleHost.ExecuteCommand(player.Session, makeGhostRoleCommand);
 
diff --git a/Content.Client/Ghost/Roles/UI/MakeGhostRoleWindow.xaml b/Content.Client/Ghost/Roles/UI/MakeGhostRoleWindow.xaml
index 0a51ef7bfb..76e50cee7a 100644
--- a/Content.Client/Ghost/Roles/UI/MakeGhostRoleWindow.xaml
+++ b/Content.Client/Ghost/Roles/UI/MakeGhostRoleWindow.xaml
@@ -14,6 +14,10 @@
             <Label Name="RoleDescriptionLabel" Text="Role Description" />
             <LineEdit Name="RoleDescription" HorizontalExpand="True" />
         </BoxContainer>
+        <BoxContainer Orientation="Horizontal">
+            <Label Name="RoleRulesLabel" Text="Role Rules" />
+            <LineEdit Name="RoleRules" HorizontalExpand="True" Text="{Loc ghost-role-component-default-rules}" />
+        </BoxContainer>
         <BoxContainer Orientation="Horizontal">
             <Label Name="MakeSentientLabel" Text="Make Sentient" />
             <CheckBox Name="MakeSentientCheckbox" />
diff --git a/Content.Client/Ghost/Roles/UI/MakeGhostRoleWindow.xaml.cs b/Content.Client/Ghost/Roles/UI/MakeGhostRoleWindow.xaml.cs
index 7ec189cb43..3f4c8a1421 100644
--- a/Content.Client/Ghost/Roles/UI/MakeGhostRoleWindow.xaml.cs
+++ b/Content.Client/Ghost/Roles/UI/MakeGhostRoleWindow.xaml.cs
@@ -9,7 +9,7 @@ namespace Content.Client.Ghost.Roles.UI
     [GenerateTypedNameReferences]
     public partial class MakeGhostRoleWindow : SS14Window
     {
-        public delegate void MakeRole(EntityUid uid, string name, string description, bool makeSentient);
+        public delegate void MakeRole(EntityUid uid, string name, string description, string rules, bool makeSentient);
 
         public MakeGhostRoleWindow()
         {
@@ -21,6 +21,8 @@ namespace Content.Client.Ghost.Roles.UI
             RoleName.MinSize = (300, 0);
             RoleDescriptionLabel.MinSize = (150, 0);
             RoleDescription.MinSize = (300, 0);
+            RoleRulesLabel.MinSize = (150, 0);
+            RoleRules.MinSize = (300, 0);
 
             MakeButton.OnPressed += OnPressed;
         }
@@ -42,7 +44,7 @@ namespace Content.Client.Ghost.Roles.UI
                 return;
             }
 
-            OnMake?.Invoke(EntityUid.Value, RoleName.Text, RoleDescription.Text, MakeSentientCheckbox.Pressed);
+            OnMake?.Invoke(EntityUid.Value, RoleName.Text, RoleDescription.Text, RoleRules.Text, MakeSentientCheckbox.Pressed);
         }
     }
 }
diff --git a/Content.Server/Ghost/Roles/Components/GhostRoleComponent.cs b/Content.Server/Ghost/Roles/Components/GhostRoleComponent.cs
index b55133c923..d751b60dde 100644
--- a/Content.Server/Ghost/Roles/Components/GhostRoleComponent.cs
+++ b/Content.Server/Ghost/Roles/Components/GhostRoleComponent.cs
@@ -2,6 +2,7 @@
 using Robust.Shared.GameObjects;
 using Robust.Shared.Serialization.Manager.Attributes;
 using Robust.Shared.ViewVariables;
+using Robust.Shared.Localization;
 
 namespace Content.Server.Ghost.Roles.Components
 {
@@ -11,6 +12,8 @@ namespace Content.Server.Ghost.Roles.Components
 
         [DataField("description")] private string _roleDescription = "Unknown";
 
+        [DataField("rules")] private string _roleRules = "";
+
         // We do this so updating RoleName and RoleDescription in VV updates the open EUIs.
 
         [ViewVariables(VVAccess.ReadWrite)]
@@ -35,6 +38,17 @@ namespace Content.Server.Ghost.Roles.Components
             }
         }
 
+        [ViewVariables(VVAccess.ReadWrite)]
+        public string RoleRules
+        {
+            get => _roleRules;
+            set
+            {
+                _roleRules = value;
+                EntitySystem.Get<GhostRoleSystem>().UpdateAllEui();
+            }
+        }
+
         [ViewVariables(VVAccess.ReadOnly)]
         public bool Taken { get; protected set; }
 
@@ -44,7 +58,8 @@ namespace Content.Server.Ghost.Roles.Components
         protected override void Initialize()
         {
             base.Initialize();
-
+            if (_roleRules == "")
+                _roleRules = Loc.GetString("ghost-role-component-default-rules");
             EntitySystem.Get<GhostRoleSystem>().RegisterGhostRole(this);
         }
 
diff --git a/Content.Server/Ghost/Roles/GhostRoleSystem.cs b/Content.Server/Ghost/Roles/GhostRoleSystem.cs
index 38352f7d86..6c60c2dd44 100644
--- a/Content.Server/Ghost/Roles/GhostRoleSystem.cs
+++ b/Content.Server/Ghost/Roles/GhostRoleSystem.cs
@@ -123,7 +123,7 @@ namespace Content.Server.Ghost.Roles
 
             foreach (var (id, role) in _ghostRoles)
             {
-                roles[i] = new GhostRoleInfo(){Identifier = id, Name = role.RoleName, Description = role.RoleDescription};
+                roles[i] = new GhostRoleInfo(){Identifier = id, Name = role.RoleName, Description = role.RoleDescription, Rules = role.RoleRules};
                 i++;
             }
 
diff --git a/Content.Server/Ghost/Roles/MakeGhostRoleCommand.cs b/Content.Server/Ghost/Roles/MakeGhostRoleCommand.cs
index 7e6e876156..5f7367d98d 100644
--- a/Content.Server/Ghost/Roles/MakeGhostRoleCommand.cs
+++ b/Content.Server/Ghost/Roles/MakeGhostRoleCommand.cs
@@ -5,6 +5,7 @@ using Content.Shared.Administration;
 using Robust.Shared.Console;
 using Robust.Shared.GameObjects;
 using Robust.Shared.IoC;
+using Robust.Shared.Localization;
 
 namespace Content.Server.Ghost.Roles
 {
@@ -13,11 +14,11 @@ namespace Content.Server.Ghost.Roles
     {
         public string Command => "makeghostrole";
         public string Description => "Turns an entity into a ghost role.";
-        public string Help => $"Usage: {Command} <entity uid> <name> <description>";
+        public string Help => $"Usage: {Command} <entity uid> <name> <description> [<rules>]";
 
         public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
-            if (args.Length != 3)
+            if (args.Length < 3 || args.Length > 4)
             {
                 shell.WriteLine($"Invalid amount of arguments.\n{Help}");
                 return;
@@ -46,6 +47,7 @@ namespace Content.Server.Ghost.Roles
 
             var name = args[1];
             var description = args[2];
+            var rules = args.Length >= 4 ? args[3] : Loc.GetString("ghost-role-component-default-rules");
 
             if (entity.EnsureComponent(out GhostTakeoverAvailableComponent takeOver))
             {
@@ -55,6 +57,7 @@ namespace Content.Server.Ghost.Roles
 
             takeOver.RoleName = name;
             takeOver.RoleDescription = description;
+            takeOver.RoleRules = rules;
 
             shell.WriteLine($"Made entity {entity.Name} a ghost role.");
         }
diff --git a/Content.Server/PAI/PAIComponent.cs b/Content.Server/PAI/PAIComponent.cs
new file mode 100644
index 0000000000..4b8c572586
--- /dev/null
+++ b/Content.Server/PAI/PAIComponent.cs
@@ -0,0 +1,21 @@
+using Robust.Shared.GameObjects;
+
+namespace Content.Server.PAI
+{
+    /// <summary>
+    /// pAIs, or Personal AIs, are essentially portable ghost role generators.
+    /// In their current implementation in SS14, they create a ghost role anyone can access,
+    /// and that a player can also "wipe" (reset/kick out player).
+    /// Theoretically speaking pAIs are supposed to use a dedicated "offer and select" system,
+    ///  with the player holding the pAI being able to choose one of the ghosts in the round.
+    /// This seems too complicated for an initial implementation, though,
+    ///  and there's not always enough players and ghost roles to justify it.
+    /// All logic in PAISystem.
+    /// </summary>
+    [RegisterComponent]
+    public class PAIComponent : Component
+    {
+        public override string Name => "PAI";
+    }
+}
+
diff --git a/Content.Server/PAI/PAISystem.cs b/Content.Server/PAI/PAISystem.cs
new file mode 100644
index 0000000000..79d6838555
--- /dev/null
+++ b/Content.Server/PAI/PAISystem.cs
@@ -0,0 +1,154 @@
+using Content.Shared.Examine;
+using Content.Shared.Interaction;
+using Content.Shared.PAI;
+using Content.Shared.Verbs;
+using Content.Server.Popups;
+using Content.Server.Ghost.Roles.Components;
+using Content.Server.Mind.Components;
+using Robust.Server.GameObjects;
+using Robust.Shared.IoC;
+using Robust.Shared.Log;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Localization;
+using Robust.Shared.Player;
+
+namespace Content.Server.PAI
+{
+    /// <summary>
+    /// pAIs, or Personal AIs, are essentially portable ghost role generators.
+    /// In their current implementation, they create a ghost role anyone can access,
+    /// and that a player can also "wipe" (reset/kick out player).
+    /// Theoretically speaking pAIs are supposed to use a dedicated "offer and select" system,
+    ///  with the player holding the pAI being able to choose one of the ghosts in the round.
+    /// This seems too complicated for an initial implementation, though,
+    ///  and there's not always enough players and ghost roles to justify it.
+    /// </summary>
+    public class PAISystem : EntitySystem
+    {
+        [Dependency] private readonly PopupSystem _popupSystem = default!;
+
+        public override void Initialize()
+        {
+            base.Initialize();
+
+            SubscribeLocalEvent<PAIComponent, ExaminedEvent>(OnExamined);
+            SubscribeLocalEvent<PAIComponent, UseInHandEvent>(OnUseInHand);
+            SubscribeLocalEvent<PAIComponent, MindAddedMessage>(OnMindAdded);
+            SubscribeLocalEvent<PAIComponent, MindRemovedMessage>(OnMindRemoved);
+            SubscribeLocalEvent<PAIComponent, GetActivationVerbsEvent>(AddWipeVerb);
+        }
+
+        private void OnExamined(EntityUid uid, PAIComponent component, ExaminedEvent args)
+        {
+            if (args.IsInDetailsRange)
+            {
+                if (EntityManager.TryGetComponent<MindComponent>(uid, out var mind) && mind.HasMind)
+                {
+                    args.PushMarkup(Loc.GetString("pai-system-pai-installed"));
+                }
+                else if (EntityManager.HasComponent<GhostTakeoverAvailableComponent>(uid))
+                {
+                    args.PushMarkup(Loc.GetString("pai-system-still-searching"));
+                }
+                else
+                {
+                    args.PushMarkup(Loc.GetString("pai-system-off"));
+                }
+            }
+        }
+
+        private void OnUseInHand(EntityUid uid, PAIComponent component, UseInHandEvent args)
+        {
+            if (args.Handled)
+                return;
+
+            // Placeholder PAIs are essentially portable ghost role generators.
+
+            args.Handled = true;
+
+            // Check for pAI activation
+            if (EntityManager.TryGetComponent<MindComponent>(uid, out var mind) && mind.HasMind)
+            {
+                _popupSystem.PopupEntity(Loc.GetString("pai-system-pai-installed"), uid, Filter.Entities(args.User.Uid));
+                return;
+            }
+            else if (EntityManager.HasComponent<GhostTakeoverAvailableComponent>(uid))
+            {
+                _popupSystem.PopupEntity(Loc.GetString("pai-system-still-searching"), uid, Filter.Entities(args.User.Uid));
+                return;
+            }
+
+            var ghostFinder = EntityManager.EnsureComponent<GhostTakeoverAvailableComponent>(uid);
+
+            ghostFinder.RoleName = Loc.GetString("pai-system-role-name");
+            ghostFinder.RoleDescription = Loc.GetString("pai-system-role-description");
+
+            _popupSystem.PopupEntity(Loc.GetString("pai-system-searching"), uid, Filter.Entities(args.User.Uid));
+            UpdatePAIAppearance(uid, PAIStatus.Searching);
+        }
+
+        private void OnMindRemoved(EntityUid uid, PAIComponent component, MindRemovedMessage args)
+        {
+            // Mind was removed, shutdown the PAI.
+            UpdatePAIAppearance(uid, PAIStatus.Off);
+        }
+
+        private void OnMindAdded(EntityUid uid, PAIComponent pai, MindAddedMessage args)
+        {
+            // Mind was added, shutdown the ghost role stuff so it won't get in the way
+            if (EntityManager.HasComponent<GhostTakeoverAvailableComponent>(uid))
+                EntityManager.RemoveComponent<GhostTakeoverAvailableComponent>(uid);
+            UpdatePAIAppearance(uid, PAIStatus.On);
+        }
+
+        private void UpdatePAIAppearance(EntityUid uid, PAIStatus status)
+        {
+            if (EntityManager.TryGetComponent<AppearanceComponent>(uid, out var appearance))
+            {
+                appearance.SetData(PAIVisuals.Status, status);
+            }
+        }
+
+        private void AddWipeVerb(EntityUid uid, PAIComponent pai, GetActivationVerbsEvent args)
+        {
+            if (args.User == null || !args.CanAccess || !args.CanInteract)
+                return;
+
+            if (EntityManager.TryGetComponent<MindComponent>(uid, out var mind) && mind.HasMind)
+            {
+                Verb verb = new();
+                verb.Text = Loc.GetString("pai-system-wipe-device-verb-text");
+                verb.Act = () => {
+                    if (pai.Deleted)
+                        return;
+                    // Wiping device :(
+                    // The shutdown of the Mind should cause automatic reset of the pAI during OnMindRemoved
+                    // EDIT: But it doesn't!!!! Wtf? Do stuff manually
+                    if (EntityManager.HasComponent<MindComponent>(uid))
+                    {
+                        EntityManager.RemoveComponent<MindComponent>(uid);
+                        _popupSystem.PopupEntity(Loc.GetString("pai-system-wiped-device"), uid, Filter.Entities(args.User.Uid));
+                        UpdatePAIAppearance(uid, PAIStatus.Off);
+                    }
+                };
+                args.Verbs.Add(verb);
+            }
+            else if (EntityManager.HasComponent<GhostTakeoverAvailableComponent>(uid))
+            {
+                Verb verb = new();
+                verb.Text = Loc.GetString("pai-system-stop-searching-verb-text");
+                verb.Act = () => {
+                    if (pai.Deleted)
+                        return;
+                    if (EntityManager.HasComponent<GhostTakeoverAvailableComponent>(uid))
+                    {
+                        EntityManager.RemoveComponent<GhostTakeoverAvailableComponent>(uid);
+                        _popupSystem.PopupEntity(Loc.GetString("pai-system-stopped-searching"), uid, Filter.Entities(args.User.Uid));
+                        UpdatePAIAppearance(uid, PAIStatus.Off);
+                    }
+                };
+                args.Verbs.Add(verb);
+            }
+        }
+    }
+}
diff --git a/Content.Shared/Ghost/Roles/GhostRolesEuiMessages.cs b/Content.Shared/Ghost/Roles/GhostRolesEuiMessages.cs
index b37ebb1f47..a30c6c3a1e 100644
--- a/Content.Shared/Ghost/Roles/GhostRolesEuiMessages.cs
+++ b/Content.Shared/Ghost/Roles/GhostRolesEuiMessages.cs
@@ -10,6 +10,7 @@ namespace Content.Shared.Ghost.Roles
         public uint Identifier { get; set; }
         public string Name { get; set; }
         public string Description { get; set; }
+        public string Rules { get; set; }
     }
 
     [NetSerializable, Serializable]
diff --git a/Content.Shared/PAI/PAIShared.cs b/Content.Shared/PAI/PAIShared.cs
new file mode 100644
index 0000000000..6820733f42
--- /dev/null
+++ b/Content.Shared/PAI/PAIShared.cs
@@ -0,0 +1,23 @@
+using System;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Serialization;
+using Robust.Shared.Serialization.Manager.Attributes;
+using Robust.Shared.ViewVariables;
+
+namespace Content.Shared.PAI
+{
+    [Serializable, NetSerializable]
+    public enum PAIVisuals : byte
+    {
+        Status
+    }
+
+    [Serializable, NetSerializable]
+    public enum PAIStatus : byte
+    {
+        Off,
+        Searching,
+        On
+    }
+}
+
diff --git a/Resources/Locale/en-US/ghost/roles/ghost-role-component.ftl b/Resources/Locale/en-US/ghost/roles/ghost-role-component.ftl
new file mode 100644
index 0000000000..609d5eacd7
--- /dev/null
+++ b/Resources/Locale/en-US/ghost/roles/ghost-role-component.ftl
@@ -0,0 +1,3 @@
+# also used in MakeGhostRuleWindow and MakeGhostRoleCommand
+ghost-role-component-default-rules = You don't remember any of your previous life unless an administrator tells you otherwise.
+
diff --git a/Resources/Locale/en-US/pai/pai-system.ftl b/Resources/Locale/en-US/pai/pai-system.ftl
new file mode 100644
index 0000000000..1406e9b5fd
--- /dev/null
+++ b/Resources/Locale/en-US/pai/pai-system.ftl
@@ -0,0 +1,15 @@
+pai-system-pai-installed = A pAI is installed.
+pai-system-off = No pAI is installed.
+pai-system-still-searching = Still searching for a pAI.
+pai-system-searching = Now searching for a pAI...
+
+pai-system-role-name = personal ai
+pai-system-role-description = Be someone's electronic pal!
+                              (Memories *not* included.)
+
+pai-system-wipe-device-verb-text = Remove pAI
+pai-system-wiped-device = The pAI was wiped from the device.
+
+pai-system-stop-searching-verb-text = Stop searching
+pai-system-stopped-searching = The device stopped searching for a pAI.
+
diff --git a/Resources/Prototypes/Entities/Objects/Fun/pai.yml b/Resources/Prototypes/Entities/Objects/Fun/pai.yml
new file mode 100644
index 0000000000..f1a7d9ff85
--- /dev/null
+++ b/Resources/Prototypes/Entities/Objects/Fun/pai.yml
@@ -0,0 +1,38 @@
+# Placeholder PAIs, aka semi-automatic ghost roles
+
+- type: entity
+  parent: BaseItem
+  id: PersonalAI
+  name: personal ai device
+  description: Your electronic pal who's fun to be with!
+  components:
+  - type: Sprite
+    netsync: false
+    sprite: Objects/Devices/pda.rsi
+    layers:
+    - state: pda-lawyer # nobody's using this one
+    - state: pai_off_overlay
+      shader: unshaded
+  - type: Input
+    context: "human"
+  - type: PAI
+  - type: Examiner
+  - type: GhostRadio
+  - type: DoAfter
+  - type: Actions
+    # This has to be installed because otherwise they're not "alive",
+    #  so they can ghost and come back.
+    # Note that the personal AI never "dies".
+  - type: MobState
+    thresholds:
+      0: !type:NormalMobState {}
+  - type: Appearance
+    visuals:
+      - type: GenericEnumVisualizer
+        key: enum.PAIVisuals.Status
+        layer: 1
+        states:
+          enum.PAIStatus.Off: pai_off_overlay
+          enum.PAIStatus.Searching: pda-r
+          enum.PAIStatus.On: pai_overlay
+