Disease Stages But Epic (#9043)

Co-authored-by: metalgearsloth <31366439+metalgearsloth@users.noreply.github.com>
Co-authored-by: metalgearsloth <comedian_vs_clown@hotmail.com>

Content.Shared/Disease/DiseaseCure.cs

@@ -11,7 +11,12 @@ namespace Content.Shared.Disease
         /// and false otherwise
         /// </summary>
         public abstract bool Cure(DiseaseEffectArgs args);
-
+        /// <summary>
+        /// What stages the cure applies to.
+        /// probably should be all, but go wild
+        /// </summary>
+        [DataField("stages")]
+        public readonly int[] Stages = { 0 };
         /// <summary>
         /// This is used by the disease diangoser machine
         /// to generate reports to tell people all of a disease's

Content.Shared/Disease/DiseaseEffect.cs

@@ -12,6 +12,11 @@ namespace Content.Shared.Disease
         [DataField("probability")]
         public float Probability = 1.0f;
         /// <summary>
+        ///     What stages this effect triggers on
+        /// </summary>
+        [DataField("stages")]
+        public readonly int[] Stages = { 0 };
+        /// <summary>
         /// What effect the disease will have.
         /// </summary>
         public abstract void Effect(DiseaseEffectArgs args);

Content.Shared/Disease/DiseasePrototype.cs

@@ -37,6 +37,19 @@ namespace Content.Shared.Disease
         /// </summary>
         public float Accumulator = 0f;
         /// <summary>
+        /// Since accumulator is reset with TickTime, this just tracks
+        /// the total amount of time a disease has been present.
+        /// </summary>
+        public float TotalAccumulator = 0f;
+        /// <summary>
+        /// Stores all the separate stages of the disease plus the time
+        /// thresholds for their activation
+        /// int: the disease stage (0 for baseline, 1, 2, etc.)
+        /// float: the time it takes for the stage to begin.
+        /// </summary>
+        [DataField("stages", serverOnly: true)]
+        public readonly List<float> Stages = new() { 0f };
+        /// <summary>
         /// List of effects the disease has that will
         /// run every second (by default anyway)
         /// </summary>