feat: add startOffset parameter to gltf playAnimation

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

@@ -456,7 +456,7 @@ external bool set_bone_transform(
 
 @ffi.Native<
     ffi.Void Function(ffi.Pointer<ffi.Void>, ffi.Int, ffi.Int, ffi.Bool,
-        ffi.Bool, ffi.Bool, ffi.Float)>()
+        ffi.Bool, ffi.Bool, ffi.Float, ffi.Float)>()
 external void play_animation(
   ffi.Pointer<ffi.Void> sceneManager,
   int entity,
@@ -465,6 +465,7 @@ external void play_animation(
   bool reverse,
   bool replaceActive,
   double crossfade,
+  double startOffset,
 );
 
 @ffi.Native<
@@ -1301,19 +1302,6 @@ external void apply_weights_ffi(
   int count,
 );
 
-@ffi.Native<
-    ffi.Void Function(ffi.Pointer<ffi.Void>, EntityId, ffi.Int, ffi.Bool,
-        ffi.Bool, ffi.Bool, ffi.Float)>()
-external void play_animation_ffi(
-  ffi.Pointer<ffi.Void> sceneManager,
-  int asset,
-  int index,
-  bool loop,
-  bool reverse,
-  bool replaceActive,
-  double crossfade,
-);
-
 @ffi.Native<
     ffi.Void Function(ffi.Pointer<ffi.Void>, EntityId, ffi.Int, ffi.Int)>()
 external void set_animation_frame_ffi(

thermion_dart/lib/thermion_dart/compatibility/web/ffi/thermion_dart.g.dart

@@ -1592,25 +1592,6 @@ external void apply_weights_ffi(
   int count,
 );
 
-@ffi.Native<
-    ffi.Void Function(
-        ffi.Pointer<ffi.Void>,
-        EntityId,
-        ffi.Int,
-        ffi.Bool,
-        ffi.Bool,
-        ffi.Bool,
-        ffi.Float)>(symbol: '_play_animation_ffi', assetId: 'thermion_dart')
-external void play_animation_ffi(
-  ffi.Pointer<ffi.Void> sceneManager,
-  int asset,
-  int index,
-  bool loop,
-  bool reverse,
-  bool replaceActive,
-  double crossfade,
-);
-
 @ffi.Native<
         ffi.Void Function(ffi.Pointer<ffi.Void>, EntityId, ffi.Int, ffi.Int)>(
     symbol: '_set_animation_frame_ffi', assetId: 'thermion_dart')

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

@@ -339,7 +339,8 @@ class ThermionViewerJSDartBridge {
           {bool loop = false,
           bool reverse = false,
           bool replaceActive = true,
-          double crossfade = 0.0}) =>
+          double crossfade = 0.0,
+          double startOffset = 0.0}) =>
       viewer
           .playAnimation(
             entity,
@@ -348,6 +349,7 @@ class ThermionViewerJSDartBridge {
             reverse: reverse,
             replaceActive: replaceActive,
             crossfade: crossfade,
+            startOffset: startOffset
           )
           .toJS;
 

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

@@ -368,9 +368,10 @@ class ThermionViewerJS implements ThermionViewer {
       {bool loop = false,
       bool reverse = false,
       bool replaceActive = true,
-      double crossfade = 0.0}) async {
+      double crossfade = 0.0,
+      double startOffset = 0.0}) async {
     await _shim
-        .playAnimation(entity, index, loop, reverse, replaceActive, crossfade)
+        .playAnimation(entity, index, loop, reverse, replaceActive, crossfade, startOffset)
         .toDart;
   }
 

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

@@ -184,6 +184,7 @@ extension type ThermionViewerJSShim(JSObject _) implements JSObject {
     bool reverse,
     bool replaceActive,
     double crossfade,
+    double startOffset,
   );
 
   @JS('playAnimationByName')

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

@@ -698,7 +698,8 @@ class ThermionViewerWasm implements ThermionViewer {
       {bool loop = false,
       bool reverse = false,
       bool replaceActive = true,
-      double crossfade = 0.0}) async {
+      double crossfade = 0.0,
+      double startOffset = 0.0}) async {
     _module.ccall(
         "play_animation",
         "void",
@@ -709,6 +710,7 @@ class ThermionViewerWasm implements ThermionViewer {
           "bool".toJS,
           "bool".toJS,
           "bool".toJS,
+          "float".toJS,
           "float".toJS
         ].toJS,
         [

thermion_dart/lib/thermion_dart/thermion_viewer.dart

@@ -386,7 +386,8 @@ abstract class ThermionViewer {
       {bool loop = false,
       bool reverse = false,
       bool replaceActive = true,
-      double crossfade = 0.0});
+      double crossfade = 0.0,
+      double startOffset = 0.0});
 
   ///
   /// Schedules the glTF animation at [index] in [entity] to start playing on the next frame.

thermion_dart/lib/thermion_dart/thermion_viewer_ffi.dart

@@ -980,9 +980,10 @@ class ThermionViewerFFI extends ThermionViewer {
       {bool loop = false,
       bool reverse = false,
       bool replaceActive = true,
-      double crossfade = 0.0}) async {
+      double crossfade = 0.0,
+      double startOffset = 0.0}) async {
     play_animation(
-        _sceneManager!, entity, index, loop, reverse, replaceActive, crossfade);
+        _sceneManager!, entity, index, loop, reverse, replaceActive, crossfade, startOffset);
   }
 
   ///

thermion_dart/lib/thermion_dart/thermion_viewer_stub.dart

@@ -333,7 +333,8 @@ class ThermionViewerStub extends ThermionViewer {
       {bool loop = false,
       bool reverse = false,
       bool replaceActive = true,
-      double crossfade = 0.0}) {
+      double crossfade = 0.0,
+      double startOffset=0.0}) {
     // TODO: implement playAnimation
     throw UnimplementedError();
   }

thermion_dart/native/include/SceneManager.hpp

@@ -129,7 +129,7 @@ namespace thermion_filament
         void resetBones(EntityId entityId);
         bool setTransform(EntityId entityId, math::mat4f transform);
         bool updateBoneMatrices(EntityId entityId);
-        void playAnimation(EntityId e, int index, bool loop, bool reverse, bool replaceActive, float crossfade = 0.3f);
+        void playAnimation(EntityId e, int index, bool loop, bool reverse, bool replaceActive, float crossfade = 0.3f, float startOffset = 0.0f);
         void stopAnimation(EntityId e, int index);
         void setMorphTargetWeights(const char *const entityName, float *weights, int count);
         void loadTexture(EntityId entity, const char *resourcePath, int renderableIndex);

thermion_dart/native/include/ThermionDartApi.h

@@ -168,7 +168,7 @@ extern "C"
 		int skinIndex,
 		int boneIndex,
 		const float *const transform);
-	EMSCRIPTEN_KEEPALIVE void play_animation(void *sceneManager, EntityId entity, int index, bool loop, bool reverse, bool replaceActive, float crossfade);
+	EMSCRIPTEN_KEEPALIVE void play_animation(void *sceneManager, EntityId entity, int index, bool loop, bool reverse, bool replaceActive, float crossfade, float startOffset);
 	EMSCRIPTEN_KEEPALIVE void set_animation_frame(void *sceneManager, EntityId entity, int animationIndex, int animationFrame);
 	EMSCRIPTEN_KEEPALIVE void stop_animation(void *sceneManager, EntityId entity, int index);
 	EMSCRIPTEN_KEEPALIVE int get_animation_count(void *sceneManager, EntityId asset);

thermion_dart/native/include/ThermionDartFFIApi.h

@@ -78,8 +78,6 @@ extern "C"
         const char *const entityName,
         float *const weights,
         int count);
-
-    EMSCRIPTEN_KEEPALIVE void play_animation_ffi(void *const sceneManager, EntityId asset, int index, bool loop, bool reverse, bool replaceActive, float crossfade);
     EMSCRIPTEN_KEEPALIVE void set_animation_frame_ffi(void *const sceneManager, EntityId asset, int animationIndex, int animationFrame);
     EMSCRIPTEN_KEEPALIVE void stop_animation_ffi(void *const sceneManager, EntityId asset, int index);
     EMSCRIPTEN_KEEPALIVE void get_animation_count_ffi(void *const sceneManager, EntityId asset, void (*callback)(int));

thermion_dart/native/include/components/AnimationComponentManager.hpp

@@ -43,6 +43,7 @@ namespace thermion_filament
     struct AnimationStatus
     {
         time_point_t start = time_point_t::max();
+        float startOffset;
         bool loop = false;
         bool reverse = false;
         float durationInSecs = 0;
@@ -182,7 +183,7 @@ namespace thermion_filament
 
                             auto animationStatus = animationComponent.gltfAnimations[i];
 
-                            auto elapsedInSecs = float(std::chrono::duration_cast<std::chrono::milliseconds>(now - animationStatus.start).count()) / 1000.0f;
+                            auto elapsedInSecs = animationStatus.startOffset + float(std::chrono::duration_cast<std::chrono::milliseconds>(now - animationStatus.start).count()) / 1000.0f;
 
                             if (!animationStatus.loop && elapsedInSecs >= animationStatus.durationInSecs)
                             {

thermion_dart/native/src/SceneManager.cpp

@@ -1135,8 +1135,8 @@ namespace thermion_filament
 
         return true;
     }
-
+ 
-    void SceneManager::playAnimation(EntityId entityId, int index, bool loop, bool reverse, bool replaceActive, float crossfade)
+    void SceneManager::playAnimation(EntityId entityId, int index, bool loop, bool reverse, bool replaceActive, float crossfade, float startOffset)
     {
         std::lock_guard lock(_mutex);
 
@@ -1200,6 +1200,7 @@ namespace thermion_filament
         }
 
         GltfAnimation animation;
+        animation.startOffset = startOffset;
         animation.index = index;
         animation.start = std::chrono::high_resolution_clock::now();
         animation.loop = loop;

thermion_dart/native/src/ThermionDartApi.cpp

@@ -586,9 +586,10 @@ extern "C"
         bool loop,
         bool reverse,
         bool replaceActive,
-        float crossfade)
+        float crossfade,
+        float startOffset)
     {
-        ((SceneManager *)sceneManager)->playAnimation(asset, index, loop, reverse, replaceActive, crossfade);
+        ((SceneManager *)sceneManager)->playAnimation(asset, index, loop, reverse, replaceActive, crossfade, startOffset);
     }
 
     EMSCRIPTEN_KEEPALIVE void set_animation_frame(

thermion_dart/native/src/ThermionDartFFIApi.cpp

@@ -677,18 +677,6 @@ extern "C"
     auto fut = _rl->add_task(lambda);
   }
 
-  EMSCRIPTEN_KEEPALIVE void play_animation_ffi(void *const sceneManager,
-                                                EntityId asset, int index,
-                                                bool loop, bool reverse,
-                                                bool replaceActive,
-                                                float crossfade)
-  {
-    std::packaged_task<void()> lambda([=]
-                                      { play_animation(sceneManager, asset, index, loop, reverse, replaceActive,
-                                                       crossfade); });
-    auto fut = _rl->add_task(lambda);
-  }
-
   EMSCRIPTEN_KEEPALIVE void set_animation_frame_ffi(void *const sceneManager,
                                                      EntityId asset,
                                                      int animationIndex,