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

---------

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

Content.Shared/EntityEffects/Effects/PopupMessage.cs

@@ -0,0 +1,54 @@
+using Content.Shared.Popups;
+using Robust.Shared.Prototypes;
+using Robust.Shared.Random;
+
+namespace Content.Shared.EntityEffects.Effects
+{
+    public sealed partial class PopupMessage : EntityEffect
+    {
+        [DataField(required: true)]
+        public string[] Messages = default!;
+
+        [DataField]
+        public PopupRecipients Type = PopupRecipients.Local;
+
+        [DataField]
+        public PopupType VisualType = PopupType.Small;
+
+        // JUSTIFICATION: This is purely cosmetic.
+        protected override string? ReagentEffectGuidebookText(IPrototypeManager prototype, IEntitySystemManager entSys)
+            => null;
+
+        public override void Effect(EntityEffectBaseArgs args)
+        {
+            var popupSys = args.EntityManager.EntitySysManager.GetEntitySystem<SharedPopupSystem>();
+            var random = IoCManager.Resolve<IRobustRandom>();
+
+            var msg = random.Pick(Messages);
+            var msgArgs = new (string, object)[]
+            {
+                ("entity", args.TargetEntity),
+            };
+
+            if (args is EntityEffectReagentArgs reagentArgs)
+            {
+                msgArgs = new (string, object)[]
+                {
+                    ("entity", reagentArgs.TargetEntity),
+                    ("organ", reagentArgs.OrganEntity.GetValueOrDefault()),
+                };
+            }
+
+            if (Type == PopupRecipients.Local)
+                popupSys.PopupEntity(Loc.GetString(msg, msgArgs), args.TargetEntity, args.TargetEntity, VisualType);
+            else if (Type == PopupRecipients.Pvs)
+                popupSys.PopupEntity(Loc.GetString(msg, msgArgs), args.TargetEntity, VisualType);
+        }
+    }
+
+    public enum PopupRecipients
+    {
+        Pvs,
+        Local
+    }
+}