Refactor drag and drop to use a shared interface (#2012)

* WIP in progress hours

* Cleanup

* Fix bugle

* Fix nullable error

* Merge fixes

* Merge fixes

* Merge fixes

Content.Client/GameObjects/Components/Buckle/BuckleComponent.cs

@@ -1,19 +1,24 @@
-using Content.Client.GameObjects.Components.Strap;
-using Content.Client.Interfaces.GameObjects.Components.Interaction;
 using Content.Shared.GameObjects.Components.Buckle;
 using Robust.Client.GameObjects;
 using Robust.Shared.GameObjects;
+using Robust.Shared.Interfaces.GameObjects;
 
 namespace Content.Client.GameObjects.Components.Buckle
 {
     [RegisterComponent]
-    public class BuckleComponent : SharedBuckleComponent, IClientDraggable
+    public class BuckleComponent : SharedBuckleComponent
     {
         private bool _buckled;
         private int? _originalDrawDepth;
 
         public override bool Buckled => _buckled;
 
+        public override bool TryBuckle(IEntity user, IEntity to)
+        {
+            // TODO: Prediction
+            return false;
+        }
+
         public override void HandleComponentState(ComponentState curState, ComponentState nextState)
         {
             if (!(curState is BuckleComponentState buckle))
@@ -41,15 +46,5 @@ namespace Content.Client.GameObjects.Components.Buckle
                 _originalDrawDepth = null;
             }
         }
-
-        bool IClientDraggable.ClientCanDropOn(CanDropEventArgs eventArgs)
-        {
-            return eventArgs.Target.HasComponent<StrapComponent>();
-        }
-
-        bool IClientDraggable.ClientCanDrag(CanDragEventArgs eventArgs)
-        {
-            return true;
-        }
     }
 }