merge `master` into `loek/audio`

1 files changed, 62 insertions, 0 deletions

diff --git a/src/crepe/api/AssetManager.h b/src/crepe/api/AssetManager.h
new file mode 100644
index 0000000..fee6780
--- /dev/null
+++ b/src/crepe/api/AssetManager.h
@@ -0,0 +1,62 @@
+#pragma once
+
+#include <any>
+#include <memory>
+#include <string>
+#include <unordered_map>
+
+namespace crepe {
+
+/**
+ * \brief The AssetManager is responsible for storing and managing assets over multiple scenes.
+ * 
+ * The AssetManager ensures that assets are loaded once and can be accessed across different
+ * scenes. It caches assets to avoid reloading them every time a scene is loaded. Assets are
+ * retained in memory until the AssetManager is destroyed, at which point the cached assets are
+ * cleared.
+ */
+class AssetManager {
+
+private:
+	//! A cache that holds all the assets, accessible by their file path, over multiple scenes.
+	std::unordered_map<std::string, std::any> asset_cache;
+
+private:
+	AssetManager();
+	virtual ~AssetManager();
+
+public:
+	AssetManager(const AssetManager &) = delete;
+	AssetManager(AssetManager &&) = delete;
+	AssetManager & operator=(const AssetManager &) = delete;
+	AssetManager & operator=(AssetManager &&) = delete;
+
+	/**
+	 * \brief Retrieves the singleton instance of the AssetManager.
+	 *
+	 * \return A reference to the single instance of the AssetManager.
+	 */
+	static AssetManager & get_instance();
+
+public:
+	/**
+	 * \brief Caches an asset by loading it from the given file path.
+	 *
+	 * \param file_path The path to the asset file to load.
+	 * \param reload If true, the asset will be reloaded from the file, even if it is already
+	 * cached.
+	 * \tparam T The type of asset to cache (e.g., texture, sound, etc.).
+	 * 
+	 * \return A shared pointer to the cached asset.
+	 * 
+	 * This template function caches the asset at the given file path. If the asset is already
+	 * cached and `reload` is false, the existing cached version will be returned. Otherwise, the
+	 * asset will be reloaded and added to the cache.
+	 */
+	template <typename T>
+	std::shared_ptr<T> cache(const std::string & file_path, bool reload = false);
+};
+
+} // namespace crepe
+
+#include "AssetManager.hpp"