Eversoul support WIP

Updated line renderer material for handles
Handle fixes
Fixes

Assets/Scripts/ModelViewerBase/Containers/CameraContainer.cs

@@ -134,4 +134,11 @@ public class CameraContainer: ObjectContainer
 
         Camera.UpdateImmediate();
     }
+
+    public override void Destroy()
+    {
+        //Do not destroy cameras
+        Frames.Clear();
+        SetDefaultFrame();
+    }
 }

Assets/Scripts/ModelViewerBase/Containers/ObjectContainer.cs

@@ -40,6 +40,8 @@ public class ObjectContainer : MonoBehaviour, IKeyframeSetter
         {
             SetKeyframe();
         }
+
+        ModelViewerMain.RegisterObject(this);
     }
 
     public virtual void PasteContainer(ObjectContainerSerializable bones, PoseLoadOptions pasteParams)
@@ -92,6 +94,7 @@ public class ObjectContainer : MonoBehaviour, IKeyframeSetter
         ModelViewerMain.UnregisterObject(this);
         if (gameObject != null)
             Destroy(gameObject);
+        ModelViewerMain.OnObjectDeleteEvent.Invoke(this);
         Resources.UnloadUnusedAssets();
         System.GC.Collect();
     }
@@ -234,7 +237,7 @@ public class ObjectContainer : MonoBehaviour, IKeyframeSetter
         throw new NotImplementedException(this.GetType().FullName);
     }
 
-    public void Destroy()
+    public virtual void Destroy()
     {
         Destroy(this.gameObject);
     }

Assets/Scripts/ModelViewerBase/Containers/SceneContainer.cs

@@ -34,4 +34,16 @@ public class SceneContainer : ObjectContainer
     {
         return new SceneSerializable(this);
     }
+
+    protected override void OnDestroy()
+    {
+        if (_applicationQuitting) return;
+
+        for (int i = AllObjects.Count - 1; i >= 0; i--)
+        {
+            var obj = AllObjects[i];
+            if (obj == this) continue;
+            obj.Destroy();
+        }
+    }
 }