Trigger for OnInteractUsing (#39692)

* Add trigger for InteractOnUsing

* Add blacklist and targetUsed fields

* Update Content.Shared/Trigger/Components/Triggers/TriggerOnInteractUsingComponent.cs

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Co-authored-by: slarticodefast <161409025+slarticodefast@users.noreply.github.com>

Content.Shared/Trigger/Components/Triggers/TriggerOnInteractUsingComponent.cs

@@ -0,0 +1,34 @@
+using Content.Shared.Interaction;
+using Content.Shared.Whitelist;
+using Robust.Shared.GameStates;
+
+namespace Content.Shared.Trigger.Components.Triggers;
+
+/// <summary>
+/// Triggers when an entity is used to interact with another entity (<see cref="InteractUsingEvent"/>).
+/// The user is the player initiating the interaction or the item used, depending on the TargetUsed datafield.
+/// </summary>
+[RegisterComponent, NetworkedComponent, AutoGenerateComponentState]
+public sealed partial class TriggerOnInteractUsingComponent : BaseTriggerOnXComponent
+{
+    /// <summary>
+    /// Whitelist of entities that can be used to trigger this component.
+    /// </summary>
+    /// <remarks>No whitelist check when null.</remarks>
+    [DataField, AutoNetworkedField]
+    public EntityWhitelist? Whitelist;
+
+    /// <summary>
+    /// Blacklist of entities that cannot be used to trigger this component.
+    /// </summary>
+    /// <remarks>No blacklist check when null.</remarks>
+    [DataField, AutoNetworkedField]
+    public EntityWhitelist? Blacklist;
+
+    /// <summary>
+    /// If false, the trigger user will be the user that initiated the interaction.
+    /// If true, the trigger user will the entity that was used to interact.
+    /// </summary>
+    [DataField, AutoNetworkedField]
+    public bool TargetUsed = false;
+}