Moved interaction interfaces from Server to Shared.

Content.Shared/Interfaces/GameObjects/Components/Interaction/IActivate.cs

@@ -0,0 +1,53 @@
+using System;
+using JetBrains.Annotations;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Interfaces.GameObjects;
+
+namespace Content.Shared.Interfaces.GameObjects.Components
+{
+    /// <summary>
+    ///     This interface gives components behavior when being activated in the world when the user
+    ///     is in range and has unobstructed access to the target entity (allows inside blockers).
+    /// </summary>
+    public interface IActivate
+    {
+        /// <summary>
+        ///     Called when this component is activated by another entity who is in range.
+        /// </summary>
+        void Activate(ActivateEventArgs eventArgs);
+    }
+
+    public class ActivateEventArgs : EventArgs, ITargetedInteractEventArgs
+    {
+        public IEntity User { get; set; }
+        public IEntity Target { get; set; }
+    }
+
+    /// <summary>
+    ///     Raised when an entity is activated in the world.
+    /// </summary>
+    [PublicAPI]
+    public class ActivateInWorldMessage : EntitySystemMessage
+    {
+        /// <summary>
+        ///     If this message has already been "handled" by a previous system.
+        /// </summary>
+        public bool Handled { get; set; }
+
+        /// <summary>
+        ///     Entity that activated the world entity.
+        /// </summary>
+        public IEntity User { get; }
+
+        /// <summary>
+        ///     Entity that was activated in the world.
+        /// </summary>
+        public IEntity Activated { get; }
+
+        public ActivateInWorldMessage(IEntity user, IEntity activated)
+        {
+            User = user;
+            Activated = activated;
+        }
+    }
+}