Added AnimationFileResource that combine animations with sync tracks.

src/AnimGraph/AnimGraphData.h

@@ -33,6 +33,11 @@ struct AnimDataRef {
   Pose* ptr = nullptr;
 };
 
+struct AnimationFileResource {
+  ozz::animation::Animation* m_animation;
+  SyncTrack m_sync_track;
+};
+
 struct AnimDataAllocator {
   struct PoseList {
     Pose* m_anim_data = nullptr;
@@ -102,14 +107,14 @@ struct AnimGraphContext {
   AnimGraph* m_graph = nullptr;
   ozz::animation::Skeleton* m_skeleton = nullptr;
 
-  typedef std::map<std::string, ozz::animation::Animation*> AnimationFileMap;
+  typedef std::map<std::string, AnimationFileResource> AnimationFileMap;
   AnimationFileMap m_animation_map;
 
   void freeAnimations() {
     AnimationFileMap::iterator animation_map_iter = m_animation_map.begin();
 
     while (animation_map_iter != m_animation_map.end()) {
-      delete animation_map_iter->second;
+      delete animation_map_iter->second.m_animation;
       animation_map_iter++;
     }
   }

src/AnimGraph/AnimGraphNodes.cc

@@ -132,7 +132,8 @@ bool AnimSamplerNode::Init(AnimGraphContext& context) {
   AnimGraphContext::AnimationFileMap::const_iterator animation_map_iter;
   animation_map_iter = context.m_animation_map.find(m_filename);
   if (animation_map_iter != context.m_animation_map.end()) {
-    m_animation = animation_map_iter->second;
+    m_animation = animation_map_iter->second.m_animation;
+    m_sync_track = animation_map_iter->second.m_sync_track;
   } else {
     m_animation = new ozz::animation::Animation();
     ozz::io::File file(m_filename.c_str(), "rb");
@@ -150,7 +151,7 @@ bool AnimSamplerNode::Init(AnimGraphContext& context) {
 
     archive >> *m_animation;
 
-    context.m_animation_map[m_filename] = m_animation;
+    context.m_animation_map[m_filename] = {m_animation, SyncTrack()};
   }
 
   assert(context.m_skeleton != nullptr);