Port vomit from Nyano (#8349)

Content.Server/Disease/Effects/DiseaseVomit.cs

@@ -0,0 +1,27 @@
+using JetBrains.Annotations;
+using Content.Shared.Disease;
+using Content.Server.Medical;
+
+namespace Content.Server.Disease.Effects
+{
+    /// <summary>
+    /// Forces you to vomit.
+    /// </summary>
+    [UsedImplicitly]
+    public sealed class DiseaseVomit : DiseaseEffect
+    {
+        /// How many units of thirst to add each time we vomit
+        [DataField("thirstAmount")]
+        public float ThirstAmount = -40f;
+        /// How many units of hunger to add each time we vomit
+        [DataField("hungerAmount")]
+        public float HungerAmount = -40f;
+
+        public override void Effect(DiseaseEffectArgs args)
+        {
+            var vomitSys = args.EntityManager.EntitySysManager.GetEntitySystem<VomitSystem>();
+
+            vomitSys.Vomit(args.DiseasedEntity, ThirstAmount, HungerAmount);
+        }
+    }
+}