merge in work on controller from webjs branch

lib/filament_controller.dart

@@ -38,12 +38,6 @@ abstract class FilamentController {
 
   Stream<FilamentEntity> get onUnload;
 
-  ///
-  /// A [ValueNotifier] that holds the current dimensions (in physical pixels, after multiplying by pixel ratio) of the FilamentWidget.
-  /// If you need to perform work as early as possible, add a listener to this property before a [FilamentWidget] has been inserted into the widget hierarchy.
-  ///
-  ValueNotifier<Rect?> get rect;
-
   ///
   /// A [ValueNotifier] to indicate whether a FilamentViewer is currently available.
   /// (FilamentViewer is a C++ type, hence why it is not referenced) here.
@@ -168,6 +162,11 @@ abstract class FilamentController {
   ///
   Future loadIbl(String lightingPath, {double intensity = 30000});
 
+  ///
+  /// Rotates the IBL & skybox.
+  ///
+  Future rotateIbl(Matrix3 rotation);
+
   ///
   /// Removes the image-based light from the scene.
   ///
@@ -273,6 +272,12 @@ abstract class FilamentController {
   Future setMorphAnimationData(
       FilamentEntity entity, MorphAnimationData animation);
 
+  ///
+  /// Resets all bones in the given entity to their rest pose.
+  /// This should be done before every call to addBoneAnimation.
+  ///
+  Future resetBones(FilamentEntity entity);
+
   ///
   /// Starts animating a bone (joint) according to the specified [animation].
   ///
@@ -503,6 +508,11 @@ abstract class FilamentController {
   Future<FilamentEntity> getChildEntity(
       FilamentEntity parent, String childName);
 
+  ///
+  /// Lists all child meshes under the given entity.
+  ///
+  Future<List<String>> getMeshNames(FilamentEntity entity, {bool async = true});
+
   ///
   /// If [recording] is set to true, each frame the framebuffer/texture will be written to /tmp/output_*.png.
   /// This will impact performance; handle with care.