finish chicken nugget anime loader

BasaltPresenter/Shared/basalt/anime_loader.cpp

@@ -6,33 +6,26 @@ namespace basalt::shared::anime_loader {
 
 #pragma region Anime Loader
 
-    IAnimeLoader::IAnimeLoader() : status(AnimeLoaderStatus::Ready), time(0), last_index(0) {}
+    IAnimeLoader::IAnimeLoader() : status(AnimeLoaderStatus::Ready), time(0) {}
 
     IAnimeLoader::~IAnimeLoader() {}
 
-    void IAnimeLoader::load() {
+    void IAnimeLoader::load(AnimeLoaderConfig&& config) {
         if (this->status != AnimeLoaderStatus::Ready) throw std::runtime_error("unexpected anime loader status");
-
-        // load by user
-        internal_load();
-
-        // check empty
-        if (this->frames.empty()) throw std::runtime_error("no anime key frames.");
-        // Get last frame index
-        auto last_pair = this->frames.end();
-        --last_pair;
-        this->last_index = last_pair->first;
-
-        // change status
+        this->config = std::move(config);
         this->status = AnimeLoaderStatus::Loaded;
     }
 
     KeyFrameSpan IAnimeLoader::tick() {
         if (this->status != AnimeLoaderStatus::Loaded) throw std::runtime_error("unexpected anime loader status");
 
+        // Get last frame index
+        auto last_pair = this->frames.end();
+        --last_pair;
+        auto last_index = last_pair->first;
         // Accumulate time
         ++this->time;
-        if (this->time > this->last_index) {
+        if (this->time > last_index) {
             this->time = 0;
         }
 
@@ -61,10 +54,6 @@ namespace basalt::shared::anime_loader {
         };
     }
 
-    void IAnimeLoader::internal_load() {
-        throw std::logic_error("unimplemented function");
-    }
-
 #pragma endregion
 
 } // namespace basalt::shared::anime_loader

BasaltPresenter/Shared/basalt/anime_loader.hpp

@@ -28,6 +28,10 @@ namespace basalt::shared::anime_loader {
         math::Quaternion next_rotation; ///< 后一帧的摄像机旋转。
     };
 
+    struct AnimeLoaderConfig {
+
+    };
+
     enum class AnimeLoaderStatus {
         Ready,
         Loaded,
@@ -45,15 +49,19 @@ namespace basalt::shared::anime_loader {
         virtual ~IAnimeLoader();
 
     public:
-        void load();
+        /**
+         * @brief 
+         * @remarks
+         * \li 重写时只允许往frames里插入数据。
+         * \li 重写时务必保证frames里插入的数据大于2个，且初始节点的Key总是0。动画帧个数必须大于4。
+         */
+        virtual void load(AnimeLoaderConfig&& config);
         KeyFrameSpan tick();
 
-    protected:
-        virtual void internal_load();
-
     protected:
         AnimeLoaderStatus status;
-        math::Index time, last_index;
+        AnimeLoaderConfig config;
+        math::Index time;
         std::map<math::Index, KeyFrame> frames;
     };