feat: add clearMorphAnimationData function

thermion_dart/lib/thermion_dart/compatibility/native/thermion_dart.g.dart

@@ -368,6 +368,12 @@ external bool set_morph_animation(
   double frameLengthInMs,
 );
 
+@ffi.Native<ffi.Void Function(ffi.Pointer<ffi.Void>, ffi.Int)>()
+external void clear_morph_animation(
+  ffi.Pointer<ffi.Void> sceneManager,
+  int entity,
+);
+
 @ffi.Native<ffi.Void Function(ffi.Pointer<ffi.Void>, ffi.Int)>()
 external void reset_to_rest_pose(
   ffi.Pointer<ffi.Void> sceneManager,

thermion_dart/lib/thermion_dart/compatibility/web/interop/thermion_viewer_dart_bridge.dart

@@ -226,6 +226,11 @@ class ThermionViewerJSDartBridge {
           .then((v) => v.toJS)
           .toJS;
 
+  @JSExport()
+  void clearMorphAnimationData(ThermionEntity entity) {
+    viewer.clearMorphAnimationData(entity);
+  }
+
   @JSExport()
   JSPromise setMorphAnimationData(
       ThermionEntity entity,

thermion_dart/lib/thermion_dart/compatibility/web/interop/thermion_viewer_js.dart

@@ -263,6 +263,11 @@ class ThermionViewerJS implements ThermionViewer {
         .toDartDouble;
   }
 
+  @override
+  Future<void> clearMorphAnimationData(ThermionEntity entity) async {
+    _shim.clearMorphAnimationData(entity);
+  }
+
   @override
   Future<void> setMorphAnimationData(
       ThermionEntity entity, MorphAnimationData animation,

thermion_dart/lib/thermion_dart/compatibility/web/interop/thermion_viewer_js_shim.dart

@@ -10,7 +10,6 @@ import 'package:thermion_dart/thermion_dart/thermion_viewer.dart';
 /// Javascript shim implementation of the [ThermionViewer] interface.
 ///
 extension type ThermionViewerJSShim(JSObject _) implements JSObject {
-  
   @JS('initialized')
   external JSPromise<JSBoolean> get initialized;
 
@@ -136,6 +135,9 @@ extension type ThermionViewerJSShim(JSObject _) implements JSObject {
   external JSPromise<JSNumber> getAnimationDuration(
       ThermionEntity entity, int animationIndex);
 
+  @JS('clearMorphAnimationData')
+  external void clearMorphAnimationData(ThermionEntity entity);
+
   @JS('setMorphAnimationData')
   external JSPromise setMorphAnimationData(
       ThermionEntity entity,
@@ -403,19 +405,16 @@ extension type ThermionViewerJSShim(JSObject _) implements JSObject {
       ThermionEntity entity, JSArray<JSNumber> transform);
 
   @JS('setBoneTransform')
-  external JSPromise setBoneTransform(
+  external JSPromise setBoneTransform(ThermionEntity entity, int boneIndex,
-      ThermionEntity entity, int boneIndex, JSArray<JSNumber> transform, int skinIndex);
+      JSArray<JSNumber> transform, int skinIndex);
 
   @JS('setShadowsEnabled')
-  external JSPromise setShadowsEnabled(
+  external JSPromise setShadowsEnabled(bool enabled);
-      bool enabled);
 
   @JS('setShadowType')
-  external JSPromise setShadowType(
+  external JSPromise setShadowType(int shadowType);
-      int shadowType);
 
   @JS('setSoftShadowOptions')
   external JSPromise setSoftShadowOptions(
       double penumbraScale, double penumbraRatioScale);
 }
-

thermion_dart/lib/thermion_dart/compatibility/web/interop/thermion_viewer_wasm.dart

@@ -788,6 +788,27 @@ class ThermionViewerWasm implements ThermionViewer {
         null);
   }
 
+  @override
+  Future clearMorphAnimationData(
+      ThermionEntity entity) async {
+    var meshEntities = await getChildEntities(entity, false);
+    for(final childEntity in meshEntities) {
+          _module.ccall(
+            "clear_morph_animation",
+            "void",
+            [
+              "void*".toJS,
+              "int".toJS,
+            ].toJS,
+            [
+              _sceneManager!,
+              childEntity.toJS,
+            ].toJS,
+            null);
+    }
+
+  }
+
   @override
   Future setMorphAnimationData(
       ThermionEntity entity, MorphAnimationData animation,

thermion_dart/lib/thermion_dart/thermion_viewer.dart

@@ -269,6 +269,12 @@ abstract class ThermionViewer {
       ThermionEntity entity, MorphAnimationData animation,
       {List<String>? targetMeshNames});
 
+  ///
+  /// Clear all current morph animations for [entity]. 
+  ///
+  Future clearMorphAnimationData(
+      ThermionEntity entity);
+
   ///
   /// Resets all bones in the given entity to their rest pose.
   /// This should be done before every call to addBoneAnimation.

thermion_dart/lib/thermion_dart/thermion_viewer_ffi.dart

@@ -599,6 +599,18 @@ class ThermionViewerFFI extends ThermionViewer {
     return getAnimationDuration(entity, index);
   }
 
+  Future clearMorphAnimationData(ThermionEntity entity) async {
+    var meshEntities = await getChildEntities(entity, true);
+
+    for(final childEntity in meshEntities) {
+        clear_morph_animation(
+          _sceneManager!,
+          childEntity);
+    }
+
+
+  }
+
   ///
   ///
   ///

thermion_dart/lib/thermion_dart/thermion_viewer_stub.dart

@@ -586,6 +586,11 @@ class ThermionViewerStub extends ThermionViewer {
     throw UnimplementedError();
   }
 
+  @override
+  Future clearMorphAnimationData(ThermionEntity entity) {
+    throw UnimplementedError();
+  }
+
   @override
   Future setMorphAnimationData(
       ThermionEntity entity, MorphAnimationData animation,

thermion_dart/native/include/SceneManager.hpp

@@ -87,6 +87,9 @@ namespace thermion_filament
             int numFrames,
             float frameLengthInMs);
 
+        void clearMorphAnimationBuffer(
+            EntityId entityId);
+
         bool setMorphTargetWeights(EntityId entityId, const float *const weights, int count);
 
         math::mat4f getLocalTransform(EntityId entityId);

thermion_dart/native/include/ThermionDartApi.h

@@ -136,6 +136,9 @@ extern "C"
 		int numMorphTargets,
 		int numFrames,
 		float frameLengthInMs);
+	EMSCRIPTEN_KEEPALIVE void clear_morph_animation(
+		void *sceneManager,
+		EntityId entity);
 
 	EMSCRIPTEN_KEEPALIVE void reset_to_rest_pose(
 		void *sceneManager,

thermion_dart/native/src/SceneManager.cpp

@@ -781,6 +781,27 @@ namespace thermion_filament
         return true;
     }
 
+     void SceneManager::clearMorphAnimationBuffer(
+        EntityId entityId)
+    {
+        std::lock_guard lock(_mutex);
+
+        auto entity = Entity::import(entityId);
+
+        if (entity.isNull())
+        {
+            Log("ERROR: invalid entity %d.", entityId);
+            return;
+        }
+
+        auto animationComponentInstance = _animationComponentManager->getInstance(entity);
+        auto &animationComponent = _animationComponentManager->elementAt<0>(animationComponentInstance);
+        auto &morphAnimations = animationComponent.morphAnimations;
+
+        morphAnimations.clear();
+        return;
+    }
+
     bool SceneManager::setMaterialColor(EntityId entityId, const char *meshName, int materialIndex, const float r, const float g, const float b, const float a)
     {
 

thermion_dart/native/src/ThermionDartApi.cpp

@@ -405,7 +405,7 @@ extern "C"
         return ((SceneManager *)sceneManager)->setMorphTargetWeights(asset, weights, numWeights);
     }
 
-    bool set_morph_animation(
+    EMSCRIPTEN_KEEPALIVE bool set_morph_animation(
         void *sceneManager,
         EntityId asset,
         const float *const morphData,
@@ -418,6 +418,10 @@ extern "C"
         return result;
     }
 
+    EMSCRIPTEN_KEEPALIVE void clear_morph_animation(void* sceneManager, EntityId asset) {
+        ((SceneManager *)sceneManager)->clearMorphAnimationBuffer(asset);
+    }
+
     EMSCRIPTEN_KEEPALIVE void reset_to_rest_pose(void *sceneManager, EntityId entityId)
     {
         ((SceneManager *)sceneManager)->resetBones(entityId);