Replace Houdini's magical piloting locker with buckle (#1336)

Content.Shared/GameObjects/Components/Buckle/SharedBuckleComponent.cs

@@ -1,6 +1,7 @@
 using System;
 using Content.Shared.GameObjects.EntitySystems;
 using Robust.Shared.GameObjects;
+using Robust.Shared.Interfaces.GameObjects;
 using Robust.Shared.Serialization;
 
 namespace Content.Shared.GameObjects.Components.Buckle
@@ -50,4 +51,62 @@ namespace Content.Shared.GameObjects.Components.Buckle
     {
         Buckled
     }
+
+    [Serializable, NetSerializable]
+    public abstract class BuckleChangeMessage : ComponentMessage
+    {
+        /// <summary>
+        ///     Constructs a new instance of <see cref="BuckleChangeMessage"/>
+        /// </summary>
+        /// <param name="entity">The entity that had its buckling status changed</param>
+        /// <param name="strap">The strap that the entity was buckled to or unbuckled from</param>
+        /// <param name="buckled">True if the entity was buckled, false otherwise</param>
+        protected BuckleChangeMessage(IEntity entity, IEntity strap, bool buckled)
+        {
+            Entity = entity;
+            Strap = strap;
+            Buckled = buckled;
+        }
+
+        /// <summary>
+        ///     The entity that had its buckling status changed
+        /// </summary>
+        public IEntity Entity { get; }
+
+        /// <summary>
+        ///     The strap that the entity was buckled to or unbuckled from
+        /// </summary>
+        public IEntity Strap { get; }
+
+        /// <summary>
+        ///     True if the entity was buckled, false otherwise.
+        /// </summary>
+        public bool Buckled { get; }
+    }
+
+    [Serializable, NetSerializable]
+    public class BuckleMessage : BuckleChangeMessage
+    {
+        /// <summary>
+        ///     Constructs a new instance of <see cref="BuckleMessage"/>
+        /// </summary>
+        /// <param name="entity">The entity that had its buckling status changed</param>
+        /// <param name="strap">The strap that the entity was buckled to or unbuckled from</param>
+        public BuckleMessage(IEntity entity, IEntity strap) : base(entity, strap, true)
+        {
+        }
+    }
+
+    [Serializable, NetSerializable]
+    public class UnbuckleMessage : BuckleChangeMessage
+    {
+        /// <summary>
+        ///     Constructs a new instance of <see cref="UnbuckleMessage"/>
+        /// </summary>
+        /// <param name="entity">The entity that had its buckling status changed</param>
+        /// <param name="strap">The strap that the entity was buckled to or unbuckled from</param>
+        public UnbuckleMessage(IEntity entity, IEntity strap) : base(entity, strap, false)
+        {
+        }
+    }
 }