Forensics (#8451)

* Port forensics from nyanotrasen

* port updates

* printing

* Update Resources/Locale/en-US/forensics/forensics.ftl

Co-authored-by: Veritius <veritiusgaming@gmail.com>

* Update Content.Server/Forensics/Components/ForensicPadComponent.cs

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

* Update Content.Server/Forensics/Systems/ForensicPadSystem.cs

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

* Update Content.Server/Forensics/Systems/ForensicScannerSystem.cs

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

* partially address reviews

* comments

* redo the events

* handle it

* rewrite loc

* master fixes

Co-authored-by: ike709 <ike709@github.com>
Co-authored-by: Veritius <veritiusgaming@gmail.com>
Co-authored-by: Kara <lunarautomaton6@gmail.com>

Content.Client/Forensics/ForensicScannerBoundUserInterface.cs

@@ -0,0 +1,40 @@
+using Content.Shared.Forensics;
+using Robust.Client.GameObjects;
+
+namespace Content.Client.Forensics
+{
+    public sealed class ForensicScannerBoundUserInterface : BoundUserInterface
+    {
+        private ForensicScannerMenu? _window;
+
+        public ForensicScannerBoundUserInterface(ClientUserInterfaceComponent owner, object uiKey) : base(owner, uiKey)
+        {
+        }
+
+        protected override void Open()
+        {
+            base.Open();
+            _window = new ForensicScannerMenu();
+            _window.OnClose += Close;
+            _window.Print.OnPressed += _ => Print();
+            _window.OpenCentered();
+        }
+
+        private void Print()
+        {
+            SendMessage(new ForensicScannerPrintMessage());
+            _window?.Close();
+        }
+
+        protected override void ReceiveMessage(BoundUserInterfaceMessage message)
+        {
+            if (_window == null)
+                return;
+
+            if (message is not ForensicScannerUserMessage cast)
+                return;
+
+            _window.Populate(cast);
+        }
+    }
+}

Content.Client/Forensics/ForensicScannerMenu.xaml

@@ -0,0 +1,14 @@
+<DefaultWindow xmlns="https://spacestation14.io"
+            Title="{Loc 'forensic-scanner-interface-title'}"
+            MinSize="250 100"
+            SetSize="250 100">
+    <BoxContainer Orientation="Vertical">
+        <Button Name="Print"
+                Access="Public"
+                Disabled="True"
+                Text="{Loc 'forensic-scanner-interface-print'}" />
+        <Label
+            Name="Diagnostics"
+            Text="{Loc forensic-scanner-interface-no-data}"/>
+    </BoxContainer>
+</DefaultWindow>

Content.Client/Forensics/ForensicScannerMenu.xaml.cs

@@ -0,0 +1,37 @@
+using System.Text;
+using Content.Shared.Forensics;
+using Robust.Client.AutoGenerated;
+using Robust.Client.UserInterface.CustomControls;
+using Robust.Client.UserInterface.XAML;
+
+namespace Content.Client.Forensics
+{
+    [GenerateTypedNameReferences]
+    public sealed partial class ForensicScannerMenu : DefaultWindow
+    {
+        public ForensicScannerMenu()
+        {
+            RobustXamlLoader.Load(this);
+        }
+
+        public void Populate(ForensicScannerUserMessage msg)
+        {
+            Print.Disabled = false;
+            var text = new StringBuilder();
+
+            text.AppendLine(Loc.GetString("forensic-scanner-interface-fingerprints"));
+            foreach (var fingerprint in msg.Fingerprints)
+            {
+                text.AppendLine(fingerprint);
+            }
+            text.AppendLine();
+            text.AppendLine(Loc.GetString("forensic-scanner-interface-fibers"));
+            foreach (var fiber in msg.Fibers)
+            {
+                text.AppendLine(fiber);
+            }
+            Diagnostics.Text = text.ToString();
+            SetSize = (350, 600);
+        }
+    }
+}

Content.Server/Forensics/Components/FiberComponent.cs

@@ -0,0 +1,16 @@
+namespace Content.Server.Forensics
+{
+    /// <summary>
+    /// This controls fibers left by gloves on items,
+    /// which the forensics system uses.
+    /// </summary>
+    [RegisterComponent]
+    public sealed class FiberComponent : Component
+    {
+        [DataField("fiberMaterial")]
+        public string FiberMaterial = "fibers-synthetic";
+
+        [DataField("fiberColor")]
+        public string? FiberColor;
+    }
+}

Content.Server/Forensics/Components/FingerprintComponent.cs

@@ -0,0 +1,12 @@
+namespace Content.Server.Forensics
+{
+    /// <summary>
+    /// This component is for mobs that leave fingerprints.
+    /// </summary>
+    [RegisterComponent]
+    public sealed class FingerprintComponent : Component
+    {
+        [DataField("fingerprint")]
+        public string? Fingerprint;
+    }
+}

Content.Server/Forensics/Components/FingerprintMaskComponent.cs

@@ -0,0 +1,10 @@
+namespace Content.Server.Forensics
+{
+    /// <summary>
+    /// This component stops the entity from leaving finger prints,
+    /// usually so fibres can be left instead.
+    /// </summary>
+    [RegisterComponent]
+    public sealed class FingerprintMaskComponent : Component
+    {}
+}

Content.Server/Forensics/Components/ForensicPadComponent.cs

@@ -0,0 +1,19 @@
+using System.Threading;
+
+namespace Content.Server.Forensics
+{
+    /// <summary>
+    /// Used to take a sample of someone's fingerprints.
+    /// </summary>
+    [RegisterComponent]
+    public sealed class ForensicPadComponent : Component
+    {
+        public CancellationTokenSource? CancelToken;
+
+        [DataField("scanDelay")]
+        public float ScanDelay = 3.0f;
+
+        public bool Used = false;
+        public String Sample = string.Empty;
+    }
+}

Content.Server/Forensics/Components/ForensicScannerComponent.cs

@@ -0,0 +1,27 @@
+using System.Threading;
+
+namespace Content.Server.Forensics
+{
+    [RegisterComponent]
+    public sealed class ForensicScannerComponent : Component
+    {
+        public CancellationTokenSource? CancelToken;
+
+        /// <summary>
+        /// A list of fingerprint GUIDs that the forensic scanner found from the <see cref="ForensicsComponent"/> on an entity.
+        /// </summary>
+        [ViewVariables(VVAccess.ReadOnly)]
+        public List<string> Fingerprints = new();
+        /// <summary>
+        /// A list of glove fibers that the forensic scanner found from the <see cref="ForensicsComponent"/> on an entity.
+        /// </summary>
+        [ViewVariables(VVAccess.ReadOnly)]
+        public List<string> Fibers = new();
+
+        /// <summary>
+        /// The time (in seconds) that it takes to scan an entity.
+        /// </summary>
+        [DataField("scanDelay")]
+        public float ScanDelay = 3.0f;
+    }
+}

Content.Server/Forensics/Components/ForensicsComponent.cs

@@ -0,0 +1,12 @@
+namespace Content.Server.Forensics
+{
+    [RegisterComponent]
+    public sealed class ForensicsComponent : Component
+    {
+        [DataField("fingerprints")]
+        public HashSet<string> Fingerprints = new();
+
+        [DataField("fibers")]
+        public HashSet<string> Fibers = new();
+    }
+}

Content.Server/Forensics/Systems/ForensicPadSystem.cs

@@ -0,0 +1,140 @@
+using System.Threading;
+using Content.Shared.Examine;
+using Content.Shared.Interaction;
+using Content.Shared.Inventory;
+using Content.Server.DoAfter;
+using Content.Server.Popups;
+using Robust.Shared.Player;
+
+namespace Content.Server.Forensics
+{
+    /// <summary>
+    /// Used to transfer fingerprints from entities to forensic pads.
+    /// </summary>
+    public sealed class ForensicPadSystem : EntitySystem
+    {
+        [Dependency] private readonly DoAfterSystem _doAfterSystem = default!;
+        [Dependency] private readonly InventorySystem _inventory = default!;
+
+        [Dependency] private readonly PopupSystem _popupSystem = default!;
+
+        public override void Initialize()
+        {
+            base.Initialize();
+            SubscribeLocalEvent<ForensicPadComponent, ExaminedEvent>(OnExamined);
+            SubscribeLocalEvent<ForensicPadComponent, AfterInteractEvent>(OnAfterInteract);
+            SubscribeLocalEvent<TargetPadSuccessfulEvent>(OnTargetPadSuccessful);
+            SubscribeLocalEvent<PadCancelledEvent>(OnPadCancelled);
+        }
+
+        private void OnExamined(EntityUid uid, ForensicPadComponent component, ExaminedEvent args)
+        {
+            if (!args.IsInDetailsRange)
+                return;
+
+            if (!component.Used)
+            {
+                args.PushMarkup(Loc.GetString("forensic-pad-unused"));
+                return;
+            }
+
+            args.PushMarkup(Loc.GetString("forensic-pad-sample", ("sample", component.Sample)));
+        }
+
+        private void OnAfterInteract(EntityUid uid, ForensicPadComponent component, AfterInteractEvent args)
+        {
+            if (component.CancelToken != null || !args.CanReach || args.Target == null)
+                return;
+
+            if (HasComp<ForensicScannerComponent>(args.Target))
+                return;
+
+            args.Handled = true;
+
+            if (component.Used)
+            {
+                _popupSystem.PopupEntity(Loc.GetString("forensic-pad-already-used"), args.Target.Value, Filter.Entities(args.User));
+                return;
+            }
+
+            if (_inventory.TryGetSlotEntity(args.Target.Value, "gloves", out var gloves))
+            {
+                _popupSystem.PopupEntity(Loc.GetString("forensic-pad-gloves", ("target", args.Target.Value)), args.Target.Value, Filter.Entities(args.User));
+                return;
+            }
+
+            if (TryComp<FingerprintComponent>(args.Target, out var fingerprint) && fingerprint.Fingerprint != null)
+            {
+                if (args.User != args.Target)
+                {
+                    _popupSystem.PopupEntity(Loc.GetString("forensic-pad-start-scan-user", ("target", args.Target.Value)), args.Target.Value, Filter.Entities(args.User));
+                    _popupSystem.PopupEntity(Loc.GetString("forensic-pad-start-scan-target", ("user", args.User)), args.Target.Value, Filter.Entities(args.Target.Value));
+                }
+                StartScan(args.User, args.Target.Value, component, fingerprint.Fingerprint);
+                return;
+            }
+
+            if (TryComp<FiberComponent>(args.Target, out var fiber))
+                StartScan(args.User, args.Target.Value, component, string.IsNullOrEmpty(fiber.FiberColor) ? Loc.GetString("forensic-fibers", ("material", fiber.FiberMaterial)) : Loc.GetString("forensic-fibers-colored", ("color", fiber.FiberColor), ("material", fiber.FiberMaterial)));
+        }
+
+        private void StartScan(EntityUid user, EntityUid target, ForensicPadComponent pad, string sample)
+        {
+            pad.CancelToken = new CancellationTokenSource();
+            _doAfterSystem.DoAfter(new DoAfterEventArgs(user, pad.ScanDelay, pad.CancelToken.Token, target: target)
+            {
+                BroadcastFinishedEvent = new TargetPadSuccessfulEvent(user, target, pad.Owner, sample),
+                BroadcastCancelledEvent = new PadCancelledEvent(pad.Owner),
+                BreakOnTargetMove = true,
+                BreakOnUserMove = true,
+                BreakOnStun = true,
+                NeedHand = true
+            });
+        }
+
+        /// <summary>
+        /// When the forensic pad is successfully used, take their fingerprint sample and flag the pad as used.
+        /// </summary>
+        private void OnTargetPadSuccessful(TargetPadSuccessfulEvent ev)
+        {
+            if (!EntityManager.TryGetComponent(ev.Pad, out ForensicPadComponent? component))
+                return;
+
+            component.CancelToken = null;
+            component.Sample = ev.Sample;
+            component.Used = true;
+        }
+        private void OnPadCancelled(PadCancelledEvent ev)
+        {
+            if (!EntityManager.TryGetComponent(ev.Pad, out ForensicPadComponent? component))
+                return;
+            component.CancelToken = null;
+        }
+
+        private sealed class PadCancelledEvent : EntityEventArgs
+        {
+            public EntityUid Pad;
+
+            public PadCancelledEvent(EntityUid pad)
+            {
+                Pad = pad;
+            }
+        }
+
+        private sealed class TargetPadSuccessfulEvent : EntityEventArgs
+        {
+            public EntityUid User;
+            public EntityUid? Target;
+            public EntityUid Pad;
+            public string Sample = string.Empty;
+
+            public TargetPadSuccessfulEvent(EntityUid user, EntityUid? target, EntityUid pad, string sample)
+            {
+                User = user;
+                Target = target;
+                Pad = pad;
+                Sample = sample;
+            }
+        }
+    }
+}

Content.Server/Forensics/Systems/ForensicScannerSystem.cs

@@ -0,0 +1,169 @@
+using System.Linq;
+using System.Text; // todo: remove this stinky LINQy
+using System.Threading;
+using Content.Server.DoAfter;
+using Content.Server.Paper;
+using Content.Server.Popups;
+using Content.Shared.Forensics;
+using Content.Shared.Hands.EntitySystems;
+using Content.Shared.Interaction;
+using Robust.Server.GameObjects;
+using Robust.Shared.Audio;
+using Robust.Shared.Player;
+
+namespace Content.Server.Forensics
+{
+    public sealed class ForensicScannerSystem : EntitySystem
+    {
+        [Dependency] private readonly DoAfterSystem _doAfterSystem = default!;
+        [Dependency] private readonly UserInterfaceSystem _uiSystem = default!;
+        [Dependency] private readonly PopupSystem _popupSystem = default!;
+        [Dependency] private readonly PaperSystem _paperSystem = default!;
+        [Dependency] private readonly SharedHandsSystem _handsSystem = default!;
+
+        public override void Initialize()
+        {
+            base.Initialize();
+
+            SubscribeLocalEvent<ForensicScannerComponent, AfterInteractEvent>(OnAfterInteract);
+            SubscribeLocalEvent<ForensicScannerComponent, AfterInteractUsingEvent>(OnAfterInteractUsing);
+            SubscribeLocalEvent<ForensicScannerComponent, ForensicScannerPrintMessage>(OnPrint);
+            SubscribeLocalEvent<TargetScanSuccessfulEvent>(OnTargetScanSuccessful);
+            SubscribeLocalEvent<ScanCancelledEvent>(OnScanCancelled);
+        }
+
+        private void OnScanCancelled(ScanCancelledEvent ev)
+        {
+            if (!EntityManager.TryGetComponent(ev.Scanner, out ForensicScannerComponent? scanner))
+                return;
+            scanner.CancelToken = null;
+        }
+
+        private void OnTargetScanSuccessful(TargetScanSuccessfulEvent ev)
+        {
+            if (!EntityManager.TryGetComponent(ev.Scanner, out ForensicScannerComponent? scanner))
+                return;
+
+            scanner.CancelToken = null;
+
+            if (!TryComp<ForensicsComponent>(ev.Target, out var forensics))
+              return;
+
+            scanner.Fingerprints = forensics.Fingerprints.ToList();
+            scanner.Fibers = forensics.Fibers.ToList();
+            OpenUserInterface(ev.User, scanner);
+        }
+
+        private void OnAfterInteract(EntityUid uid, ForensicScannerComponent component, AfterInteractEvent args)
+        {
+            if (component.CancelToken != null || args.Target == null || !args.CanReach)
+                return;
+
+            component.CancelToken = new CancellationTokenSource();
+            _doAfterSystem.DoAfter(new DoAfterEventArgs(args.User, component.ScanDelay, component.CancelToken.Token, target: args.Target)
+            {
+                BroadcastFinishedEvent = new TargetScanSuccessfulEvent(args.User, args.Target, component.Owner),
+                BroadcastCancelledEvent = new ScanCancelledEvent(component.Owner),
+                BreakOnTargetMove = true,
+                BreakOnUserMove = true,
+                BreakOnStun = true,
+                NeedHand = true
+            });
+        }
+
+        private void OnAfterInteractUsing(EntityUid uid, ForensicScannerComponent component, AfterInteractUsingEvent args)
+        {
+            if (args.Handled || !args.CanReach)
+                return;
+
+            if (!TryComp<ForensicPadComponent>(args.Used, out var pad))
+                return;
+
+            foreach (var fiber in component.Fibers)
+            {
+                if (fiber == pad.Sample)
+                {
+                    SoundSystem.Play("/Audio/Machines/Nuke/angry_beep.ogg", Filter.Pvs(uid), uid);
+                    _popupSystem.PopupEntity(Loc.GetString("forensic-scanner-match-fiber"), uid, Filter.Entities(args.User));
+                    return;
+                }
+            }
+
+            foreach (var fingerprint in component.Fingerprints)
+            {
+                if (fingerprint == pad.Sample)
+                {
+                    SoundSystem.Play("/Audio/Machines/Nuke/angry_beep.ogg", Filter.Pvs(uid), uid);
+                    _popupSystem.PopupEntity(Loc.GetString("forensic-scanner-match-fingerprint"), uid, Filter.Entities(args.User));
+                    return;
+                }
+            }
+            SoundSystem.Play("/Audio/Machines/airlock_deny.ogg", Filter.Pvs(uid), uid);
+            _popupSystem.PopupEntity(Loc.GetString("forensic-scanner-match-none"), uid, Filter.Entities(args.User));
+        }
+
+        private void OpenUserInterface(EntityUid user, ForensicScannerComponent component)
+        {
+            if (!TryComp<ActorComponent>(user, out var actor))
+                return;
+
+            var ui = _uiSystem.GetUi(component.Owner, ForensicScannerUiKey.Key);
+
+            ui.Open(actor.PlayerSession);
+            ui.SendMessage(new ForensicScannerUserMessage(component.Fingerprints, component.Fibers));
+        }
+
+        private void OnPrint(EntityUid uid, ForensicScannerComponent component, ForensicScannerPrintMessage args)
+        {
+            if (!args.Session.AttachedEntity.HasValue || (component.Fibers.Count == 0 && component.Fingerprints.Count == 0)) return;
+
+            // spawn a piece of paper.
+            var printed = EntityManager.SpawnEntity("Paper", Transform(args.Session.AttachedEntity.Value).Coordinates);
+            _handsSystem.PickupOrDrop(args.Session.AttachedEntity, printed, checkActionBlocker: false);
+
+            if (!TryComp<PaperComponent>(printed, out var paper))
+                return;
+
+            MetaData(printed).EntityName = Loc.GetString("forensic-scanner-report-title");
+
+            var text = new StringBuilder();
+
+            text.AppendLine(Loc.GetString("forensic-scanner-interface-fingerprints"));
+            foreach (var fingerprint in component.Fingerprints)
+            {
+                text.AppendLine(fingerprint);
+            }
+            text.AppendLine();
+            text.AppendLine(Loc.GetString("forensic-scanner-interface-fibers"));
+            foreach (var fiber in component.Fibers)
+            {
+                text.AppendLine(fiber);
+            }
+
+            _paperSystem.SetContent(printed, text.ToString());
+        }
+
+        private sealed class ScanCancelledEvent : EntityEventArgs
+        {
+            public EntityUid Scanner;
+
+            public ScanCancelledEvent(EntityUid scanner)
+            {
+                Scanner = scanner;
+            }
+        }
+
+        private sealed class TargetScanSuccessfulEvent : EntityEventArgs
+        {
+            public EntityUid User;
+            public EntityUid? Target;
+            public EntityUid Scanner;
+            public TargetScanSuccessfulEvent(EntityUid user, EntityUid? target, EntityUid scanner)
+            {
+                User = user;
+                Target = target;
+                Scanner = scanner;
+            }
+        }
+    }
+}

Content.Server/Forensics/Systems/ForensicsSystem.cs

@@ -0,0 +1,49 @@
+using Content.Shared.Inventory;
+using Content.Shared.Item;
+using Robust.Shared.Random;
+
+namespace Content.Server.Forensics
+{
+    public sealed class ForensicsSystem : EntitySystem
+    {
+        [Dependency] private readonly IRobustRandom _random = default!;
+        [Dependency] private readonly InventorySystem _inventory = default!;
+        public override void Initialize()
+        {
+            SubscribeLocalEvent<FingerprintComponent, UserInteractedWithItemEvent>(OnInteract);
+            SubscribeLocalEvent<FingerprintComponent, ComponentInit>(OnInit);
+        }
+
+        private void OnInteract(EntityUid uid, FingerprintComponent component, UserInteractedWithItemEvent args)
+        {
+            ApplyEvidence(args.User, args.Item);
+        }
+
+        private void OnInit(EntityUid uid, FingerprintComponent component, ComponentInit args)
+        {
+            component.Fingerprint = GenerateFingerprint();
+        }
+
+        private string GenerateFingerprint()
+        {
+            byte[] fingerprint = new byte[16];
+            _random.NextBytes(fingerprint);
+            return Convert.ToHexString(fingerprint);
+        }
+
+        private void ApplyEvidence(EntityUid user, EntityUid target)
+        {
+            var component = EnsureComp<ForensicsComponent>(target);
+            if (_inventory.TryGetSlotEntity(user, "gloves", out var gloves))
+            {
+                if (TryComp<FiberComponent>(gloves, out var fiber) && !string.IsNullOrEmpty(fiber.FiberMaterial))
+                    component.Fibers.Add(string.IsNullOrEmpty(fiber.FiberColor) ? Loc.GetString("forensic-fibers", ("material", fiber.FiberMaterial)) : Loc.GetString("forensic-fibers-colored", ("color", fiber.FiberColor), ("material", fiber.FiberMaterial)));
+
+                if (HasComp<FingerprintMaskComponent>(gloves))
+                    return;
+            }
+            if (TryComp<FingerprintComponent>(user, out var fingerprint))
+                component.Fingerprints.Add(fingerprint.Fingerprint ?? "");
+        }
+    }
+}

Content.Shared/ActionBlocker/ActionBlockerSystem.cs

@@ -75,6 +75,9 @@ namespace Content.Shared.ActionBlocker
             var targetEv = new GettingInteractedWithAttemptEvent(user, target);
             RaiseLocalEvent(target.Value, targetEv, true);
 
+            if (!targetEv.Cancelled)
+                InteractWithItem(user, target.Value);
+
             return !targetEv.Cancelled;
         }
 
@@ -128,6 +131,10 @@ namespace Content.Shared.ActionBlocker
 
             var itemEv = new GettingPickedUpAttemptEvent(user, item);
             RaiseLocalEvent(item, itemEv, false);
+
+            if (!itemEv.Cancelled)
+                InteractWithItem(user, item);
+
             return !itemEv.Cancelled;
 
         }
@@ -171,5 +178,11 @@ namespace Content.Shared.ActionBlocker
 
             return !ev.Cancelled;
         }
+
+        private void InteractWithItem(EntityUid user, EntityUid item)
+        {
+            var itemEvent = new UserInteractedWithItemEvent(user, item);
+            RaiseLocalEvent(user, itemEvent);
+        }
     }
 }

Content.Shared/Forensics/ForensicScannerEvent.cs

@@ -0,0 +1,28 @@
+using Robust.Shared.Serialization;
+
+namespace Content.Shared.Forensics
+{
+    [Serializable, NetSerializable]
+    public sealed class ForensicScannerUserMessage : BoundUserInterfaceMessage
+    {
+        public readonly List<string> Fingerprints = new();
+        public readonly List<string> Fibers = new();
+
+        public ForensicScannerUserMessage(List<string> fingerprints, List<string> fibers)
+        {
+            Fingerprints = fingerprints;
+            Fibers = fibers;
+        }
+    }
+
+    [Serializable, NetSerializable]
+    public enum ForensicScannerUiKey : byte
+    {
+        Key
+    }
+
+    [Serializable, NetSerializable]
+    public sealed class ForensicScannerPrintMessage : BoundUserInterfaceMessage
+    {
+    }
+}

Content.Shared/Item/UserInteractedWithItemEvent.cs

@@ -0,0 +1,17 @@
+namespace Content.Shared.Item;
+
+/// <summary>
+/// Raised on the user after they do any sort of interaction with an item,
+/// useful for when you want a component on the user to do something to the item.
+/// E.g. forensics, disease, etc.
+/// </summary>
+public sealed class UserInteractedWithItemEvent : EntityEventArgs
+{
+    public EntityUid User;
+    public EntityUid Item;
+    public UserInteractedWithItemEvent(EntityUid user, EntityUid item)
+    {
+        User = user;
+        Item = item;
+    }
+}

Resources/Locale/en-US/forensics/fibers.ftl

@@ -0,0 +1,22 @@
+forensic-fibers = {LOC($material)} fibers
+forensic-fibers-colored = {LOC($color)} {LOC($material)} fibers
+
+fibers-insulative = insulative
+fibers-synthetic = synthetic
+fibers-leather = leather
+fibers-durathread = durathread
+fibers-latex = latex
+fibers-nitrile = nitrile
+fibers-nanomachines = insulative nanomachine
+
+fibers-purple = purple
+fibers-red = red
+fibers-black = black
+fibers-blue = blue
+fibers-brown = brown
+fibers-grey = grey
+fibers-green = green
+fibers-orange = orange
+fibers-white = white
+fibers-yellow = yellow
+fibers-regal-blue = regal blue

Resources/Locale/en-US/forensics/forensics.ftl

@@ -0,0 +1,15 @@
+forensic-scanner-interface-title = Forensic scanner
+forensic-scanner-interface-fingerprints = Fingerprints
+forensic-scanner-interface-fibers = Fibers
+forensic-scanner-interface-no-data = No scan data available
+forensic-scanner-interface-print = Print
+forensic-scanner-report-title = Forensics Report
+forensic-pad-unused = It hasn't been used.
+forensic-pad-sample = It has a sample: {$sample}
+forensic-pad-gloves = {CAPITALIZE($target)} is wearing gloves.
+forensic-pad-start-scan-target = {CAPITALIZE($user)} is trying to take a sample of your fingerprints.
+forensic-pad-start-scan-user = You start taking a sample of {CAPITALIZE($target)}'s fingerprints.
+forensic-pad-already-used = This pad has already been used.
+forensic-scanner-match-fiber = Match in fiber found!
+forensic-scanner-match-fingerprint = Match in fingerprint found!
+forensic-scanner-match-none = No matches found!

Resources/Prototypes/Catalog/Fills/Backpacks/StarterGear/backpack.yml

@@ -128,6 +128,19 @@
         - id: AcousticGuitarInstrument
         - id: SaxophoneInstrument
 
+- type: entity
+  noSpawn: true
+  parent: ClothingBackpack
+  id: ClothingBackpackDetectiveFilled
+  components:
+    - type: StorageFill
+      contents:
+      - id: BoxSurvival
+      - id: Lighter
+      - id: CigPackBlack
+      - id: HandLabeler
+      - id: BoxForensicPad
+
 # ERT
 
 - type: entity

Resources/Prototypes/Catalog/Fills/Backpacks/StarterGear/duffelbag.yml

@@ -105,3 +105,17 @@
         - id: BoxSurvival
         - id: AcousticGuitarInstrument
         - id: SaxophoneInstrument
+
+- type: entity
+  noSpawn: true
+  parent: ClothingBackpackDuffel
+  id: ClothingBackpackDuffelDetectiveFilled
+  components:
+    - type: StorageFill
+      contents:
+      - id: BoxSurvival
+      - id: Lighter
+      - id: CigPackBlack
+      - id: BoxForensicPad
+      - id: HandLabeler
+

Resources/Prototypes/Catalog/Fills/Backpacks/StarterGear/satchel.yml

@@ -104,6 +104,19 @@
         - id: AcousticGuitarInstrument
         - id: SaxophoneInstrument
 
+- type: entity
+  noSpawn: true
+  parent: ClothingBackpackSatchel
+  id: ClothingBackpackSatchelDetectiveFilled
+  components:
+    - type: StorageFill
+      contents:
+      - id: BoxSurvival
+      - id: Lighter
+      - id: CigPackBlack
+      - id: BoxForensicPad
+      - id: HandLabeler
+
 - type: entity
   noSpawn: true
   parent: ClothingBackpackSatchel

Resources/Prototypes/Catalog/Fills/Boxes/security.yml

@@ -58,6 +58,20 @@
       - state: box_security
       - state: ziptie
 
+- type: entity
+  name: forensic pad box
+  parent: BoxCardboard
+  id: BoxForensicPad
+  description: A box of forensic pads.
+  components:
+  - type: StorageFill
+    contents:
+      - id: ForensicPad
+        amount: 10
+  - type: Sprite
+    layers:
+      - state: box_security
+
 # TODO: THESE ARE BAD AND ARE DEPRECATED, DON'T USE THEM PLEASE
 - type: entity
   name: box of shotgun beanbag cartridges

Resources/Prototypes/Catalog/Fills/Lockers/security.yml

@@ -53,6 +53,8 @@
       - id: ClothingOuterVestDetective
       - id: ClothingOuterCoatDetective
       - id: FlashlightSeclite
+      - id: ForensicScanner
+      - id: BoxForensicPad
       - id: WeaponRevolverInspector
 
 - type: entity

Resources/Prototypes/Entities/Clothing/Hands/colored.yml

@@ -8,6 +8,10 @@
     sprite: Clothing/Hands/Gloves/Color/purple.rsi
   - type: Clothing
     sprite: Clothing/Hands/Gloves/Color/purple.rsi
+  - type: Fiber
+    fiberMaterial: fibers-synthetic
+    fiberColor: fibers-purple
+  - type: FingerprintMask
 
 - type: entity
   parent: ClothingHandsBase
@@ -19,6 +23,10 @@
     sprite: Clothing/Hands/Gloves/Color/red.rsi
   - type: Clothing
     sprite: Clothing/Hands/Gloves/Color/red.rsi
+  - type: Fiber
+    fiberMaterial: fibers-synthetic
+    fiberColor: fibers-red
+  - type: FingerprintMask
 
 - type: entity
   parent: ClothingHandsBase
@@ -31,6 +39,10 @@
   - type: Clothing
     sprite: Clothing/Hands/Gloves/Color/black.rsi
     HeatResistance: 1400
+  - type: Fiber
+    fiberMaterial: fibers-synthetic
+    fiberColor: fibers-black
+  - type: FingerprintMask
 
 - type: entity
   parent: ClothingHandsBase
@@ -42,6 +54,10 @@
     sprite: Clothing/Hands/Gloves/Color/blue.rsi
   - type: Clothing
     sprite: Clothing/Hands/Gloves/Color/blue.rsi
+  - type: Fiber
+    fiberMaterial: fibers-synthetic
+    fiberColor: fibers-blue
+  - type: FingerprintMask
 
 - type: entity
   parent: ClothingHandsBase
@@ -53,6 +69,10 @@
     sprite: Clothing/Hands/Gloves/Color/brown.rsi
   - type: Clothing
     sprite: Clothing/Hands/Gloves/Color/brown.rsi
+  - type: Fiber
+    fiberMaterial: fibers-synthetic
+    fiberColor: fibers-brown
+  - type: FingerprintMask
 
 - type: entity
   parent: ClothingHandsBase
@@ -64,6 +84,10 @@
     sprite: Clothing/Hands/Gloves/Color/gray.rsi
   - type: Clothing
     sprite: Clothing/Hands/Gloves/Color/gray.rsi
+  - type: Fiber
+    fiberMaterial: fibers-synthetic
+    fiberColor: fibers-grey
+  - type: FingerprintMask
 
 - type: entity
   parent: ClothingHandsBase
@@ -75,6 +99,10 @@
     sprite: Clothing/Hands/Gloves/Color/green.rsi
   - type: Clothing
     sprite: Clothing/Hands/Gloves/Color/green.rsi
+  - type: Fiber
+    fiberMaterial: fibers-synthetic
+    fiberColor: fibers-green
+  - type: FingerprintMask
 
 - type: entity
   parent: ClothingHandsBase
@@ -86,6 +114,10 @@
     sprite: Clothing/Hands/Gloves/Color/lightbrown.rsi
   - type: Clothing
     sprite: Clothing/Hands/Gloves/Color/lightbrown.rsi
+  - type: Fiber
+    fiberMaterial: fibers-synthetic
+    fiberColor: fibers-brown
+  - type: FingerprintMask
 
 - type: entity
   parent: ClothingHandsBase
@@ -97,6 +129,10 @@
     sprite: Clothing/Hands/Gloves/Color/orange.rsi
   - type: Clothing
     sprite: Clothing/Hands/Gloves/Color/orange.rsi
+  - type: Fiber
+    fiberMaterial: fibers-synthetic
+    fiberColor: fibers-orange
+  - type: FingerprintMask
 
 - type: entity
   parent: ClothingHandsBase
@@ -108,6 +144,10 @@
     sprite: Clothing/Hands/Gloves/Color/white.rsi
   - type: Clothing
     sprite: Clothing/Hands/Gloves/Color/white.rsi
+  - type: Fiber
+    fiberMaterial: fibers-synthetic
+    fiberColor: fibers-white
+  - type: FingerprintMask
 
 - type: entity
   parent: ClothingHandsBase
@@ -121,6 +161,10 @@
     sprite: Clothing/Hands/Gloves/Color/yellow.rsi
     HeatResistance: 1400
   - type: Insulated
+  - type: Fiber
+    fiberMaterial: fibers-insulative
+    fiberColor: fibers-yellow
+  - type: FingerprintMask
 
 - type: entity
   parent: ClothingHandsGlovesColorYellow
@@ -131,6 +175,10 @@
     - type: Clothing
       HeatResistance: 0
     - type: Insulated
+    - type: Fiber
+      fiberMaterial: fibers-insulative
+      fiberColor: fibers-yellow
+    - type: FingerprintMask
     - type: RandomInsulation
       # Why repeated numbers? So some numbers are more common, of course!
       list:

Resources/Prototypes/Entities/Clothing/Hands/gloves.yml

@@ -8,6 +8,10 @@
     sprite: Clothing/Hands/Gloves/boxing.rsi
   - type: Clothing
     sprite: Clothing/Hands/Gloves/boxing.rsi
+  - type: Fiber
+    fiberMaterial: fibers-leather
+    fiberColor: fibers-red
+  - type: FingerprintMask
 
 - type: entity
   parent: ClothingHandsBase
@@ -21,6 +25,10 @@
   - type: Clothing
     sprite: Clothing/Hands/Gloves/boxing.rsi
     HeldPrefix: blue
+  - type: Fiber
+    fiberMaterial: fibers-leather
+    fiberColor: fibers-blue
+  - type: FingerprintMask
 
 - type: entity
   parent: ClothingHandsBase
@@ -34,6 +42,10 @@
   - type: Clothing
     sprite: Clothing/Hands/Gloves/boxing.rsi
     HeldPrefix: green
+  - type: Fiber
+    fiberMaterial: fibers-leather
+    fiberColor: fibers-green
+  - type: FingerprintMask
 
 - type: entity
   parent: ClothingHandsBase
@@ -47,6 +59,10 @@
   - type: Clothing
     sprite: Clothing/Hands/Gloves/boxing.rsi
     HeldPrefix: yellow
+  - type: Fiber
+    fiberMaterial: fibers-leather
+    fiberColor: fibers-yellow
+  - type: FingerprintMask
 
 - type: entity
   parent: ClothingHandsBase
@@ -60,6 +76,10 @@
     sprite: Clothing/Hands/Gloves/captain.rsi
     HeatResistance: 1400
   - type: Insulated
+  - type: Fiber
+    fiberMaterial: fibers-durathread
+    fiberColor: fibers-regal-blue
+  - type: FingerprintMask
 
 - type: entity
   parent: ClothingHandsBase
@@ -71,6 +91,10 @@
     sprite: Clothing/Hands/Gloves/ihscombat.rsi
   - type: Clothing
     sprite: Clothing/Hands/Gloves/ihscombat.rsi
+  - type: Fiber
+    fiberMaterial: fibers-durathread
+  - type: FingerprintMask
+
 #### Medical
 - type: entity
   parent: ClothingHandsBase
@@ -84,6 +108,9 @@
     sprite: Clothing/Hands/Gloves/latex.rsi
   - type: DiseaseProtection
     protection: 0.1
+  - type: Fiber
+    fiberMaterial: fibers-latex
+  - type: FingerprintMask
 
 - type: entity
   parent: ClothingHandsBase
@@ -97,29 +124,39 @@
     sprite: Clothing/Hands/Gloves/Color/blue.rsi
   - type: DiseaseProtection
     protection: 0.15
+  - type: Fiber
+    fiberMaterial: fibers-nitrile
+  - type: FingerprintMask
 ####
 - type: entity
   parent: ClothingHandsBase
   id: ClothingHandsGlovesLeather
-  name: "botanist's leather gloves"
-  description: "These leather gloves protect against thorns, barbs, prickles, spikes and other harmful objects of floral origin. They're also quite warm."
+  name: botanist's leather gloves
+  description: These leather gloves protect against thorns, barbs, prickles, spikes and other harmful objects of floral origin. They're also quite warm.
   components:
   - type: Sprite
     sprite: Clothing/Hands/Gloves/leather.rsi
   - type: Clothing
     sprite: Clothing/Hands/Gloves/leather.rsi
     HeatResistance: 1400
+  - type: Fiber
+    fiberMaterial: fibers-leather
+    fiberColor: fibers-brown
+  - type: FingerprintMask
 
 - type: entity
   parent: ClothingHandsBase
   id: ClothingHandsGlovesPowerglove
   name: power gloves
-  description: Now I'm playin' with power! Wait, they are turned off. # Use "Now I'm playin' with power! BAM!" for when they're turned on
+  description: Now I'm playin' with power! Wait, they are turned off. # Use Now I'm playin' with power! BAM! for when they're turned on
   components:
   - type: Sprite
     sprite: Clothing/Hands/Gloves/powerglove.rsi
   - type: Clothing
     sprite: Clothing/Hands/Gloves/powerglove.rsi
+  - type: Fiber
+    fiberMaterial: fibers-nanomachines
+  - type: FingerprintMask
 
 - type: entity
   parent: ClothingHandsBase
@@ -131,6 +168,10 @@
     sprite: Clothing/Hands/Gloves/robohands.rsi
   - type: Clothing
     sprite: Clothing/Hands/Gloves/robohands.rsi
+  - type: Fiber
+    fiberMaterial: fibers-leather
+    fiberColor: fibers-black
+  - type: FingerprintMask
 
 - type: entity
   parent: ClothingHandsBase
@@ -144,6 +185,9 @@
     sprite: Clothing/Hands/Gloves/spaceninja.rsi
     HeatResistance: 1400
   - type: Insulated
+  - type: Fiber
+    fiberMaterial: fibers-nanomachines
+  - type: FingerprintMask
   - type: Thieving
     stealTime: 1
     stealthy: true
@@ -160,6 +204,10 @@
     sprite: Clothing/Hands/Gloves/Color/black.rsi
     HeatResistance: 1400
   - type: Insulated
+  - type: Fiber
+    fiberMaterial: fibers-insulative
+    fiberColor: fibers-black
+  - type: FingerprintMask
 
 - type: entity
   parent: ClothingHandsBase
@@ -171,6 +219,9 @@
     sprite: Clothing/Hands/Gloves/fingerless.rsi
   - type: Clothing
     sprite: Clothing/Hands/Gloves/fingerless.rsi
+  - type: Fiber
+    fiberMaterial: fibers-synthetic
+    fiberColor: fibers-black
 
 - type: entity
   parent: ClothingHandsBase

Resources/Prototypes/Entities/Mobs/Species/human.yml

@@ -318,6 +318,7 @@
     attributes:
       proper: true
   - type: StandingState
+  - type: Fingerprint
   - type: MobPrice
     price: 1500 # Kidnapping a living person and selling them for cred is a good move.
     deathPenalty: 0.01 # However they really ought to be living and intact, otherwise they're worth 100x less.

Resources/Prototypes/Entities/Objects/Devices/forensic_scanner.yml

@@ -0,0 +1,23 @@
+- type: entity
+  name: forensic scanner
+  parent: BaseItem
+  id: ForensicScanner
+  description: A handheld device that can scan objects for fingerprints and fibers.
+  components:
+  - type: Sprite
+    netsync: false
+    sprite: Objects/Devices/forensic_scanner.rsi
+    state: forensicnew
+  - type: Clothing
+    size: 5
+    sprite: Objects/Devices/forensic_scanner.rsi
+    quickEquip: false
+    Slots:
+    - Belt
+  - type: ActivatableUI
+    key: enum.ForensicScannerUiKey.Key
+  - type: UserInterface
+    interfaces:
+    - key: enum.ForensicScannerUiKey.Key
+      type: ForensicScannerBoundUserInterface
+  - type: ForensicScanner

Resources/Prototypes/Entities/Objects/Specific/Forensics/forensics.yml

@@ -0,0 +1,15 @@
+- type: entity
+  id: ForensicPad
+  name: forensic pad
+  parent: BaseItem
+  description: A forensic pad for collecting fingerprints or fibers.
+  components:
+  - type: Item
+    size: 3
+  - type: ForensicPad
+  - type: Sprite
+    sprite: Objects/Misc/bureaucracy.rsi
+    netsync: false
+    layers:
+    - state: paper
+      color: yellow

Resources/Prototypes/Entities/Objects/base_item.yml

@@ -48,3 +48,4 @@
     interfaces:
     - key: enum.StorageUiKey.Key
       type: StorageBoundUserInterface
+

Resources/Textures/Objects/Devices/forensic_scanner.rsi/meta.json

@@ -0,0 +1,21 @@
+{
+   "copyright" : "Taken from https://github.com/tgstation/tgstation",
+   "license" : "CC-BY-SA-3.0",
+   "size" : {
+      "x" : 32,
+      "y" : 32
+   },
+   "states" : [
+      {
+         "delays" : [
+            [
+               0.8,
+               0.2
+            ]
+         ],
+         "directions" : 1,
+         "name" : "forensicnew"
+      }
+   ],
+   "version" : 1
+}