Add haloperidol, potassium iodide (#27454)

* add haloperidol, potassium iodide

* review fixes

* review and tuning

* shader review

* use timespan and AutoPausedField

Content.Shared/Drowsiness/DrowsinessComponent.cs

@@ -0,0 +1,28 @@
+using System.Numerics;
+using Robust.Shared.GameStates;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom;
+
+namespace Content.Shared.Drowsiness;
+
+/// <summary>
+///     Exists for use as a status effect. Adds a shader to the client that scales with the effect duration.
+/// </summary>
+[RegisterComponent, NetworkedComponent, AutoGenerateComponentPause]
+public sealed partial class DrowsinessComponent : Component
+{
+    /// <summary>
+    /// The random time between sleeping incidents, (min, max).
+    /// </summary>
+    [DataField(required: true)]
+    public Vector2 TimeBetweenIncidents = new Vector2(5f, 60f);
+
+    /// <summary>
+    /// The duration of sleeping incidents, (min, max).
+    /// </summary>
+    [DataField(required: true)]
+    public Vector2 DurationOfIncident = new Vector2(2, 5);
+
+    [DataField(customTypeSerializer: typeof(TimeOffsetSerializer))]
+    [AutoPausedField]
+    public TimeSpan NextIncidentTime = TimeSpan.Zero;
+}