Support for 5.6.0b6

- Namespace changes UnityEngine.Experimental.Director to
UnityEngine.Playables
- Use IPlayable interface instead of Playable where possible

Assets/Clients/GraphVisualizerClient.cs

@@ -1,7 +1,7 @@
 using UnityEngine;
 using System.Collections;
 using System.Collections.Generic;
-using UnityEngine.Experimental.Director;
+using UnityEngine.Playables;
 
 // Bridge between runtime and editor code: the graph created in runtime code can call GraphVisualizerClient.Show(...)
 // and the EditorWindow will register itself with the client to display any available graph.

Assets/Editor/GraphVisualizer/Graph/Renderer/DefaultGraphRenderer.cs

@@ -5,7 +5,7 @@
 using System.Linq;
 using System.Text.RegularExpressions;
 using GraphVisualizer;
-using UnityEngine.Experimental.Director;
+using UnityEngine.Playables;
 
 public class DefaultGraphRenderer : IGraphRenderer
 {

Assets/Editor/GraphVisualizer/PlayableGraphVisualizer.cs

@@ -2,7 +2,7 @@
 using System.Collections.Generic;
 using System.Text;
 using GraphVisualizer;
-using UnityEngine.Experimental.Director;
+using UnityEngine.Playables;
 
 public class PlayableGraphNode : Node
 {
@@ -13,10 +13,10 @@ public PlayableGraphNode(PlayableHandle content, float weight = 1, bool active =
 
     public override Type GetContentType()
     {
-        Playable p = null;
+        IPlayable p = null;
         try
         {
-            p = ((PlayableHandle)content).GetObject<Playable>();
+            p = ((PlayableHandle)content).GetObject<IPlayable>();
         }
         catch
         {

Assets/Editor/GraphVisualizer/PlayableGraphVisualizerWindow.cs

@@ -3,7 +3,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using GraphVisualizer;
-using UnityEngine.Experimental.Director;
+using UnityEngine.Playables;
 using UnityEditor.Animations;
 
 public class PlayableGraphVisualizerWindow : EditorWindow, IHasCustomMenu