Turn some implants into triggers (#39364)

Co-authored-by: ArtisticRoomba <145879011+ArtisticRoomba@users.noreply.github.com>

Content.Shared/Trigger/Systems/DnaScrambleOnTriggerSystem.cs

@@ -0,0 +1,62 @@
+using Content.Shared.DetailExaminable;
+using Content.Shared.Forensics.Systems;
+using Content.Shared.Humanoid;
+using Content.Shared.IdentityManagement;
+using Content.Shared.Preferences;
+using Content.Shared.Popups;
+using Content.Shared.Trigger.Components.Effects;
+using Robust.Shared.Network;
+
+namespace Content.Shared.Trigger.Systems;
+
+public sealed class DnaScrambleOnTriggerSystem : EntitySystem
+{
+    [Dependency] private readonly MetaDataSystem _metaData = default!;
+    [Dependency] private readonly SharedHumanoidAppearanceSystem _humanoidAppearance = default!;
+    [Dependency] private readonly SharedIdentitySystem _identity = default!;
+    [Dependency] private readonly SharedForensicsSystem _forensics = default!;
+    [Dependency] private readonly SharedPopupSystem _popup = default!;
+    [Dependency] private readonly INetManager _net = default!;
+
+    public override void Initialize()
+    {
+        base.Initialize();
+
+        SubscribeLocalEvent<DnaScrambleOnTriggerComponent, TriggerEvent>(OnTrigger);
+    }
+
+    private void OnTrigger(Entity<DnaScrambleOnTriggerComponent> ent, ref TriggerEvent args)
+    {
+        if (args.Key != null && !ent.Comp.KeysIn.Contains(args.Key))
+            return;
+
+        var target = ent.Comp.TargetUser ? args.User : ent.Owner;
+
+        if (target == null)
+            return;
+
+        if (!TryComp<HumanoidAppearanceComponent>(target, out var humanoid))
+            return;
+
+        args.Handled = true;
+
+        // Randomness will mispredict
+        // and LoadProfile causes a debug assert on the client at the moment.
+        if (_net.IsClient)
+            return;
+
+        var newProfile = HumanoidCharacterProfile.RandomWithSpecies(humanoid.Species);
+        _humanoidAppearance.LoadProfile(target.Value, newProfile, humanoid);
+        _metaData.SetEntityName(target.Value, newProfile.Name, raiseEvents: false); // raising events would update ID card, station record, etc.
+
+        // If the entity has the respective components, then scramble the dna and fingerprint strings.
+        _forensics.RandomizeDNA(target.Value);
+        _forensics.RandomizeFingerprint(target.Value);
+
+        RemComp<DetailExaminableComponent>(target.Value); // remove MRP+ custom description if one exists
+        _identity.QueueIdentityUpdate(target.Value); // manually queue identity update since we don't raise the event
+
+        // Can't use PopupClient or PopupPredicted because the trigger might be unpredicted.
+        _popup.PopupEntity(Loc.GetString("scramble-on-trigger-popup"), target.Value, target.Value);
+    }
+}