Weather On Trigger (#40505)

* Weather On Trigger!

* Clearing the weather

* address review, add duration option

---------

Co-authored-by: Jessica M <jessica@maybe.sh>

Content.Shared/Trigger/Components/Effects/WeatherOnTriggerComponent.cs

@@ -0,0 +1,25 @@
+using Content.Shared.Weather;
+using Robust.Shared.GameStates;
+using Robust.Shared.Prototypes;
+
+namespace Content.Shared.Trigger.Components.Effects;
+
+/// <summary>
+/// Changes the current weather when triggered.
+/// If TargetUser is true then it will change the weather at the user's map instead of the entitys map.
+/// </summary>
+[RegisterComponent, NetworkedComponent, AutoGenerateComponentState]
+public sealed partial class WeatherOnTriggerComponent : BaseXOnTriggerComponent
+{
+    /// <summary>
+    /// Weather type. Null to clear the weather.
+    /// </summary>
+    [DataField, AutoNetworkedField]
+    public ProtoId<WeatherPrototype>? Weather;
+
+    /// <summary>
+    /// How long the weather should last. Null for forever.
+    /// </summary>
+    [DataField, AutoNetworkedField]
+    public TimeSpan? Duration;
+}