separate Gltf/Morph/BoneAnimationComponentManager definitions

move gltf animation instantiation to GltfAnimationComponentManager (this helps ensure we are creating the component on the correct entity)

thermion_dart/native/include/components/GltfAnimationComponentManager.hpp

@@ -0,0 +1,74 @@
+#pragma once
+
+#include <filament/Engine.h>
+#include <filament/RenderableManager.h>
+#include <filament/Renderer.h>
+#include <filament/Scene.h>
+#include <filament/Texture.h>
+#include <filament/TransformManager.h>
+
+#include <math/vec3.h>
+#include <math/vec4.h>
+#include <math/mat3.h>
+#include <math/norm.h>
+
+#include <gltfio/Animator.h>
+#include <gltfio/math.h>
+
+#include <utils/SingleInstanceComponentManager.h>
+
+#include "Log.hpp"
+#include "scene/GltfSceneAssetInstance.hpp"
+#include "components/Animation.hpp"
+
+template class std::vector<float>;
+namespace thermion
+{
+    using namespace filament;
+    using namespace filament::gltfio;
+    using namespace utils;
+    using namespace std::chrono;
+
+    /// @brief 
+    /// The status of an animation embedded in a glTF object.
+    /// @param index refers to the index of the animation in the animations property of the underlying object.
+    ///
+    struct GltfAnimation : Animation
+    {
+        int index = -1;
+    };
+
+
+    /// @brief 
+    ///
+    ///
+    struct GltfAnimationComponent
+    {
+        filament::gltfio::FilamentInstance * target;
+        // the index of the last active glTF animation,
+        // used to cross-fade
+        int fadeGltfAnimationIndex = -1;
+        float fadeDuration = 0.0f;
+        float fadeOutAnimationStart = 0.0f;
+        std::vector<GltfAnimation> animations;
+    };
+
+    class GltfAnimationComponentManager : public utils::SingleInstanceComponentManager<GltfAnimationComponent> {
+        public:
+            GltfAnimationComponentManager(
+                filament::TransformManager &transformManager,
+                filament::RenderableManager &renderableManager) : 
+                    mTransformManager(transformManager), mRenderableManager(renderableManager) {};
+            ~GltfAnimationComponentManager() = default;
+            void addAnimationComponent(FilamentInstance *target);
+            void removeAnimationComponent(FilamentInstance *target);
+
+            bool addGltfAnimation(FilamentInstance *target, int index, bool loop, bool reverse, bool replaceActive, float crossfade, float startOffset);
+            // GltfAnimationComponent getAnimationComponentInstance(FilamentInstance *target);
+            void update(); 
+
+        private:
+            filament::TransformManager &mTransformManager;
+            filament::RenderableManager &mRenderableManager;
+    };
+}