Move entity effects definitions to shared (#35614)

* Move entity effects to shared

* relocate spawning to server

* Generic version of EntityEffect for just raising event.

* genericise everything

* oops forgot to push you

* some condensation

* finish rebas

* unwhite the space

* oops forgot nuke

* bad rebase fix

* useless annotations begone

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Co-authored-by: EmoGarbage404 <retron404@gmail.com>

Content.Shared/EntityEffects/Effects/SatiateHunger.cs

@@ -0,0 +1,40 @@
+using Content.Shared.Chemistry.Reagent;
+using Content.Shared.Nutrition.Components;
+using Content.Shared.Nutrition.EntitySystems;
+using Robust.Shared.Prototypes;
+
+namespace Content.Shared.EntityEffects.Effects;
+
+/// <summary>
+/// Attempts to find a HungerComponent on the target,
+/// and to update it's hunger values.
+/// </summary>
+public sealed partial class SatiateHunger : EntityEffect
+{
+    private const float DefaultNutritionFactor = 3.0f;
+
+    /// <summary>
+    ///     How much hunger is satiated.
+    ///     Is multiplied by quantity if used with EntityEffectReagentArgs.
+    /// </summary>
+    [DataField("factor")] public float NutritionFactor { get; set; } = DefaultNutritionFactor;
+
+    //Remove reagent at set rate, satiate hunger if a HungerComponent can be found
+    public override void Effect(EntityEffectBaseArgs args)
+    {
+        var entman = args.EntityManager;
+        if (!entman.TryGetComponent(args.TargetEntity, out HungerComponent? hunger))
+            return;
+        if (args is EntityEffectReagentArgs reagentArgs)
+        {
+            entman.System<HungerSystem>().ModifyHunger(reagentArgs.TargetEntity, NutritionFactor * (float) reagentArgs.Quantity, hunger);
+        }
+        else
+        {
+            entman.System<HungerSystem>().ModifyHunger(args.TargetEntity, NutritionFactor, hunger);
+        }
+    }
+
+    protected override string? ReagentEffectGuidebookText(IPrototypeManager prototype, IEntitySystemManager entSys)
+        => Loc.GetString("reagent-effect-guidebook-satiate-hunger", ("chance", Probability), ("relative", NutritionFactor / DefaultNutritionFactor));
+}