use boneName instead of boneIndex for setBoneTransform

lib/animations/animation_data.dart

@@ -27,6 +27,9 @@ class MorphAnimationData {
 
   Iterable<double> getData(String morphName) sync* {
     int index = morphTargets.indexOf(morphName);
+    if (index == -1) {
+      throw Exception("No data for morph $morphName");
+    }
     for (int i = 0; i < numFrames; i++) {
       yield data[(i * numMorphTargets) + index];
     }

lib/filament_controller.dart

@@ -280,7 +280,7 @@ abstract class FilamentController {
   /// Sets the local joint transform for the bone at the given index in [entity] for the mesh under [meshName].
   ///
   Future setBoneTransform(
-      FilamentEntity entity, String meshName, int boneIndex, Matrix4 data);
+      FilamentEntity entity, String meshName, String boneName, Matrix4 data);
 
   ///
   /// Removes/destroys the specified entity from the scene.

lib/filament_controller_ffi.dart

@@ -1161,16 +1161,20 @@ class FilamentControllerFFI extends FilamentController {
   }
 
   @override
-  Future setBoneTransform(FilamentEntity entity, String meshName, int boneIndex,
-      Matrix4 data) async {
+  Future setBoneTransform(FilamentEntity entity, String meshName,
+      String boneName, Matrix4 data) async {
     var ptr = calloc<Float>(16);
     for (int i = 0; i < 16; i++) {
       ptr.elementAt(i).value = data.storage[i];
     }
 
-    set_bone_transform(_assetManager!, entity,
-        meshName.toNativeUtf8().cast<Char>(), ptr, boneIndex);
+    var meshNamePtr = meshName.toNativeUtf8(allocator: calloc).cast<Char>();
+    var boneNamePtr = boneName.toNativeUtf8(allocator: calloc).cast<Char>();
+
+    set_bone_transform(_assetManager!, entity, meshNamePtr, ptr, boneNamePtr);
 
     calloc.free(ptr);
+    calloc.free(meshNamePtr);
+    calloc.free(boneNamePtr);
   }
 }

lib/generated_bindings.dart

@@ -387,15 +387,19 @@ external void add_bone_animation(
 );
 
 @ffi.Native<
-        ffi.Bool Function(ffi.Pointer<ffi.Void>, EntityId,
-            ffi.Pointer<ffi.Char>, ffi.Pointer<ffi.Float>, ffi.Int)>(
+        ffi.Bool Function(
+            ffi.Pointer<ffi.Void>,
+            EntityId,
+            ffi.Pointer<ffi.Char>,
+            ffi.Pointer<ffi.Float>,
+            ffi.Pointer<ffi.Char>)>(
     symbol: 'set_bone_transform', assetId: 'flutter_filament_plugin')
 external bool set_bone_transform(
   ffi.Pointer<ffi.Void> assetManager,
   int asset,
   ffi.Pointer<ffi.Char> entityName,
   ffi.Pointer<ffi.Float> transform,
-  int boneIndex,
+  ffi.Pointer<ffi.Char> boneName,
 );
 
 @ffi.Native<
@@ -1049,30 +1053,6 @@ external bool set_morph_animation_ffi(
   double frameLengthInMs,
 );
 
-@ffi.Native<
-        ffi.Void Function(
-            ffi.Pointer<ffi.Void>,
-            EntityId,
-            ffi.Pointer<ffi.Float>,
-            ffi.Int,
-            ffi.Int,
-            ffi.Pointer<ffi.Pointer<ffi.Char>>,
-            ffi.Pointer<ffi.Pointer<ffi.Char>>,
-            ffi.Int,
-            ffi.Float)>(
-    symbol: 'set_bone_animation_ffi', assetId: 'flutter_filament_plugin')
-external void set_bone_animation_ffi(
-  ffi.Pointer<ffi.Void> assetManager,
-  int asset,
-  ffi.Pointer<ffi.Float> frameData,
-  int numFrames,
-  int numBones,
-  ffi.Pointer<ffi.Pointer<ffi.Char>> boneNames,
-  ffi.Pointer<ffi.Pointer<ffi.Char>> meshName,
-  int numMeshTargets,
-  double frameLengthInMs,
-);
-
 @ffi.Native<
         ffi.Void Function(ffi.Pointer<ffi.Void>, EntityId, ffi.Int, ffi.Bool,
             ffi.Bool, ffi.Bool, ffi.Float)>(