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/AdjustAlert.cs

@@ -0,0 +1,58 @@
+using Content.Shared.Alert;
+using Robust.Shared.Prototypes;
+using Robust.Shared.Timing;
+
+namespace Content.Shared.EntityEffects.Effects;
+
+public sealed partial class AdjustAlert : EntityEffect
+{
+    /// <summary>
+    /// The specific Alert that will be adjusted
+    /// </summary>
+    [DataField(required: true)]
+    public ProtoId<AlertPrototype> AlertType;
+
+    /// <summary>
+    /// If true, the alert is removed after Time seconds. If Time was not specified the alert is removed immediately.
+    /// </summary>
+    [DataField]
+    public bool Clear;
+
+    /// <summary>
+    /// Visually display cooldown progress over the alert icon.
+    /// </summary>
+    [DataField]
+    public bool ShowCooldown;
+
+    /// <summary>
+    /// The length of the cooldown or delay before removing the alert (in seconds).
+    /// </summary>
+    [DataField]
+    public float Time;
+
+    //JUSTIFICATION: This just changes some visuals, doesn't need to be documented.
+    protected override string? ReagentEffectGuidebookText(IPrototypeManager prototype, IEntitySystemManager entSys) => null;
+
+    public override void Effect(EntityEffectBaseArgs args)
+    {
+        var alertSys = args.EntityManager.EntitySysManager.GetEntitySystem<AlertsSystem>();
+        if (!args.EntityManager.HasComponent<AlertsComponent>(args.TargetEntity))
+            return;
+
+        if (Clear && Time <= 0)
+        {
+            alertSys.ClearAlert(args.TargetEntity, AlertType);
+        }
+        else
+        {
+            var timing = IoCManager.Resolve<IGameTiming>();
+            (TimeSpan, TimeSpan)? cooldown = null;
+
+            if ((ShowCooldown || Clear) && Time > 0)
+                cooldown = (timing.CurTime, timing.CurTime + TimeSpan.FromSeconds(Time));
+
+            alertSys.ShowAlert(args.TargetEntity, AlertType, cooldown: cooldown, autoRemove: Clear, showCooldown: ShowCooldown);
+        }
+
+    }
+}