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/EffectConditions/InternalsCondition.cs

@@ -0,0 +1,31 @@
+using Content.Shared.Body.Components;
+using Content.Shared.EntityEffects;
+using Robust.Shared.Prototypes;
+
+namespace Content.Server.EntityEffects.EffectConditions;
+
+/// <summary>
+///     Condition for if the entity is or isn't wearing internals.
+/// </summary>
+public sealed partial class Internals : EntityEffectCondition
+{
+    /// <summary>
+    ///     To pass, the entity's internals must have this same state.
+    /// </summary>
+    [DataField]
+    public bool UsingInternals = true;
+
+    public override bool Condition(EntityEffectBaseArgs args)
+    {
+        if (!args.EntityManager.TryGetComponent(args.TargetEntity, out InternalsComponent? internalsComp))
+            return !UsingInternals; // They have no internals to wear.
+
+        var internalsState = internalsComp.GasTankEntity == null;
+        return UsingInternals == internalsState;
+    }
+
+    public override string GuidebookExplanation(IPrototypeManager prototype)
+    {
+        return Loc.GetString("reagent-effect-condition-guidebook-internals", ("usingInternals", UsingInternals));
+    }
+}