Blindness, Narcolepsy, Pacifism, and uncontrollable sneezing (#11489)

* start work

* blindness actually works now

* doc

* doc you too.

* i desire to sneeze my lungs out

* no punchie

* s

Co-authored-by: moonheart08 <moonheart08@users.noreply.github.com>

Content.Server/Traits/Assorted/UncontrollableSnoughSystem.cs

@@ -0,0 +1,52 @@
+using Content.Server.Disease;
+using Content.Shared.Audio;
+using Robust.Server.GameObjects;
+using Robust.Shared.Audio;
+using Robust.Shared.Player;
+using Robust.Shared.Random;
+
+namespace Content.Server.Traits.Assorted;
+
+/// <summary>
+/// This handles making people randomly cough/sneeze without a disease.
+/// </summary>
+public sealed class UncontrollableSnoughSystem : EntitySystem
+{
+    [Dependency] private readonly IRobustRandom _random = default!;
+    [Dependency] private readonly DiseaseSystem _diseaseSystem = default!;
+    [Dependency] private readonly AudioSystem _audioSystem = default!;
+
+    /// <inheritdoc/>
+    public override void Initialize()
+    {
+        SubscribeLocalEvent<UncontrollableSnoughComponent, ComponentStartup>(SetupSnough);
+    }
+
+    private void SetupSnough(EntityUid uid, UncontrollableSnoughComponent component, ComponentStartup args)
+    {
+        component.NextIncidentTime =
+            _random.NextFloat(component.TimeBetweenIncidents.X, component.TimeBetweenIncidents.Y);
+    }
+
+    public override void Update(float frameTime)
+    {
+        base.Update(frameTime);
+
+        foreach (var snough in EntityQuery<UncontrollableSnoughComponent>())
+        {
+            snough.NextIncidentTime -= frameTime;
+
+            if (snough.NextIncidentTime >= 0)
+                continue;
+
+            // Set the new time.
+            snough.NextIncidentTime +=
+                _random.NextFloat(snough.TimeBetweenIncidents.X, snough.TimeBetweenIncidents.Y);
+
+            if (snough.SnoughSound != null)
+                _audioSystem.PlayPvs(snough.SnoughSound, snough.Owner);
+
+            _diseaseSystem.SneezeCough(snough.Owner, null, snough.SnoughMessage, false);
+        }
+    }
+}