From 431b0bd7c6c502b42bb5be5488371d8c475e7024 Mon Sep 17 00:00:00 2001
From: Loek Le Blansch <loek@pipeframe.xyz>
Date: Thu, 14 Nov 2024 14:06:18 +0100
Subject: move some shit around

---
 src/crepe/api/ResourceManager.h | 65 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 src/crepe/api/ResourceManager.h

(limited to 'src/crepe/api/ResourceManager.h')

diff --git a/src/crepe/api/ResourceManager.h b/src/crepe/api/ResourceManager.h
new file mode 100644
index 0000000..7a45493
--- /dev/null
+++ b/src/crepe/api/ResourceManager.h
@@ -0,0 +1,65 @@
+#pragma once
+
+#include <any>
+#include <memory>
+#include <string>
+#include <unordered_map>
+
+namespace crepe {
+
+/**
+ * \brief The ResourceManager is responsible for storing and managing assets over
+ * multiple scenes.
+ * 
+ * The ResourceManager 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 ResourceManager is
+ * destroyed, at which point the cached assets are cleared.
+ */
+class ResourceManager {
+
+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:
+	ResourceManager();
+	virtual ~ResourceManager();
+
+public:
+	ResourceManager(const ResourceManager &) = delete;
+	ResourceManager(ResourceManager &&) = delete;
+	ResourceManager & operator=(const ResourceManager &) = delete;
+	ResourceManager & operator=(ResourceManager &&) = delete;
+
+	/**
+	 * \brief Retrieves the singleton instance of the ResourceManager.
+	 *
+	 * \return A reference to the single instance of the ResourceManager.
+	 */
+	static ResourceManager & 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 "ResourceManager.hpp"
-- 
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