Paper signatures

Content.Server/DeltaV/Paper/SignatureSystem.cs

@@ -0,0 +1,103 @@
+using Content.Server.Access.Systems;
+using Content.Server.Paper;
+using Content.Server.Popups;
+using Content.Shared.Paper;
+using Content.Shared.Popups;
+using Content.Shared.Tag;
+using Content.Shared.Verbs;
+using Robust.Server.Audio;
+using Robust.Shared.Player;
+
+namespace Content.Server.DeltaV.Paper;
+
+public sealed class SignatureSystem : EntitySystem
+{
+    [Dependency] private readonly AudioSystem _audio = default!;
+    [Dependency] private readonly IdCardSystem _idCard = default!;
+    [Dependency] private readonly PaperSystem _paper = default!;
+    [Dependency] private readonly PopupSystem _popup = default!;
+    [Dependency] private readonly TagSystem _tagSystem = default!;
+
+    // The sprite used to visualize "signatures" on paper entities.
+    private const string SignatureStampState = "paper_stamp-signature";
+
+    public override void Initialize()
+    {
+        SubscribeLocalEvent<PaperComponent, GetVerbsEvent<AlternativeVerb>>(OnGetAltVerbs);
+    }
+
+    private void OnGetAltVerbs(EntityUid uid, PaperComponent component, GetVerbsEvent<AlternativeVerb> args)
+    {
+        if (!args.CanAccess || !args.CanInteract)
+            return;
+
+        var pen = args.Using;
+        if (pen == null || !_tagSystem.HasTag(pen.Value, "Write"))
+            return;
+
+        AlternativeVerb verb = new()
+        {
+            Act = () =>
+            {
+                TrySignPaper((uid, component), args.User);
+            },
+            Text = Loc.GetString("paper-sign-verb"),
+            DoContactInteraction = true,
+            Priority = 10
+        };
+        args.Verbs.Add(verb);
+    }
+
+    /// <summary>
+    ///     Tries add add a signature to the paper with signer's name.
+    /// </summary>
+    public bool TrySignPaper(Entity<PaperComponent?> paper, EntityUid signer)
+    {
+        var paperComp = paper.Comp;
+        if (!Resolve(paper, ref paperComp))
+            return false;
+
+        var signatureName = DetermineEntitySignature(signer);
+
+        var stampInfo = new StampDisplayInfo()
+        {
+            StampedName = signatureName,
+            StampedColor = Color.DarkSlateGray, // TODO: make configurable? Perhaps it should depend on the pen.
+        };
+
+        if (!paperComp.StampedBy.Contains(stampInfo) && _paper.TryStamp(paper, stampInfo, SignatureStampState, paperComp))
+        {
+            // Show popups and play a paper writing sound
+            var signedOtherMessage = Loc.GetString("paper-signed-other", ("user", signer), ("target", paper));
+            _popup.PopupEntity(signedOtherMessage, signer, Filter.PvsExcept(signer, entityManager: EntityManager), true);
+
+            var signedSelfMessage = Loc.GetString("paper-signed-self", ("target", paper));
+            _popup.PopupEntity(signedSelfMessage, signer, signer);
+
+            _audio.PlayPvs(paperComp.Sound, signer);
+
+            _paper.UpdateUserInterface(paper, paperComp);
+
+            return true;
+        }
+        else
+        {
+            // Show an error popup
+            _popup.PopupEntity(Loc.GetString("paper-signed-failure", ("target", paper)), signer, signer, PopupType.SmallCaution);
+
+            return false;
+        }
+    }
+
+    private string DetermineEntitySignature(EntityUid uid)
+    {
+        // If the entity has an ID, use the name on it.
+        if (_idCard.TryFindIdCard(uid, out var id) && !string.IsNullOrWhiteSpace(id.Comp.FullName))
+        {
+            return id.Comp.FullName;
+        }
+
+        // Alternatively, return the entity name
+        return Name(uid);
+    }
+}

Resources/Locale/en-US/deltav/paper/signature.ftl

@@ -0,0 +1,5 @@
+paper-sign-verb = Sign
+
+paper-signed-other = {CAPITALIZE(THE($user))} signs {THE($target)}.
+paper-signed-self = You sign {THE($target)}.
+paper-signed-failure = You cannot sign {THE($target)}

Resources/Textures/Objects/Misc/bureaucracy.rsi/meta.json

@@ -1,7 +1,7 @@
 {
   "version": 1,
   "license": "CC-BY-SA-3.0",
-  "copyright": "Taken from tgstation at https://github.com/tgstation/tgstation/commit/e1142f20f5e4661cb6845cfcf2dd69f864d67432. paper_stamp-syndicate by Veritius. paper_receipt, paper_receipt_horizontal by eoineoineoin. pen_centcom is a resprited version of pen_cap by PuroSlavKing (Github). Luxury pen is drawn by Ubaser. psychologist paper stamp resprited by Guess-My-Name",
+  "copyright": "Taken from tgstation at https://github.com/tgstation/tgstation/commit/e1142f20f5e4661cb6845cfcf2dd69f864d67432. paper_stamp-syndicate by Veritius. paper_receipt, paper_receipt_horizontal by eoineoineoin. pen_centcom is a resprited version of pen_cap by PuroSlavKing (Github). Luxury pen is drawn by Ubaser. psychologist paper stamp resprited by Guess-My-Name. paper_stamp-signature by Mnemotechnician.",
   "size": {
     "x": 32,
     "y": 32
@@ -259,6 +259,9 @@
     },
     {
       "name": "paper_stamp-psychologist"
+    },
+    {
+      "name": "paper_stamp-signature"
     }
   ]
 }