3 files changed, 39 insertions, 9 deletions

diff --git a/src/crepe/api/AssetManager.h b/src/crepe/api/AssetManager.h
index fefbed9..dbfaef3 100644
--- a/src/crepe/api/AssetManager.h
+++ b/src/crepe/api/AssetManager.h
@@ -7,9 +7,19 @@
 
 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:
@@ -22,12 +32,31 @@ public:
 	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:
-	template <typename asset>
-	std::shared_ptr<asset> cache(const std::string & file_path,
-								 bool reload = false);
+	/**
+	 * \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
diff --git a/src/crepe/facade/SDLContext.cpp b/src/crepe/facade/SDLContext.cpp
index 1cb2936..aa15ef6 100644
--- a/src/crepe/facade/SDLContext.cpp
+++ b/src/crepe/facade/SDLContext.cpp
@@ -159,7 +159,7 @@ SDLContext::texture_from_path(const std::string & path) {
 
 	SDL_Surface * tmp = IMG_Load(path.c_str());
 	if (tmp == nullptr) {
-		throw Exception("surface cannot be load from {}", path);
+		tmp = IMG_Load("../asset/texture/ERROR.png");	
 	}
 
 	std::unique_ptr<SDL_Surface, std::function<void(SDL_Surface *)>>
diff --git a/src/example/rendering.cpp b/src/example/rendering.cpp
index cbd7de7..ae21f9a 100644
--- a/src/example/rendering.cpp
+++ b/src/example/rendering.cpp
@@ -1,3 +1,4 @@
+#include "api/Camera.h"
 #include <crepe/ComponentManager.h>
 #include <crepe/api/GameObject.h>
 #include <crepe/system/RenderSystem.h>
@@ -23,26 +24,26 @@ int main() {
 	auto obj1 = GameObject(1, "name", "tag", Vector2{500, 0}, 1, 0.1);
 	auto obj2 = GameObject(2, "name", "tag", Vector2{800, 0}, 1, 0.1);
 
-	auto & mgr = AssetManager::get_instance();
 	// Normal adding components
 	{
 		Color color(0, 0, 0, 0);
 		obj.add_component<Sprite>(
 			make_shared<Texture>("../asset/texture/img.png"), color,
-			FlipSettings{true, true});
+			FlipSettings{false, false});
+		obj.add_component<Camera>(Color::get_red());
 	}
-
 	{
 		Color color(0, 0, 0, 0);
-		auto img = mgr.cache<Texture>("../asset/texture/second.png");
-		obj1.add_component<Sprite>(img, color, FlipSettings{true, true});
+		obj1.add_component<Sprite>(make_shared<Texture>("../asset/texture/second.png"), color, FlipSettings{true, true});
 	}
 
+	/*
 	{
 		Color color(0, 0, 0, 0);
 		auto img = mgr.cache<Texture>("../asset/texture/second.png");
 		obj2.add_component<Sprite>(img, color, FlipSettings{true, true});
 	}
+	*/
 
 	auto & sys = crepe::RenderSystem::get_instance();
 	auto start = std::chrono::steady_clock::now();