12 files changed, 255 insertions, 0 deletions

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 97b21f0..2b8873f 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -13,6 +13,7 @@ find_package(SoLoud REQUIRED)
 find_package(GTest REQUIRED)
 find_package(whereami REQUIRED)
 find_library(BERKELEY_DB db)
+find_package(Fontconfig REQUIRED)
 
 add_library(crepe SHARED)
 add_executable(test_main EXCLUDE_FROM_ALL)
@@ -27,6 +28,7 @@ target_link_libraries(crepe
 	PUBLIC SDL2_image
 	PUBLIC ${BERKELEY_DB}
 	PUBLIC whereami
+	PUBLIC ${Fontconfig_LIBRARIES}
 )
 
 add_subdirectory(crepe)
diff --git a/src/crepe/api/AssetManager.h b/src/crepe/api/AssetManager.h
new file mode 100644
index 0000000..3b1cc4b
--- /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"
diff --git a/src/crepe/api/Config.h b/src/crepe/api/Config.h
index 6472270..def4c49 100644
--- a/src/crepe/api/Config.h
+++ b/src/crepe/api/Config.h
@@ -76,6 +76,17 @@ struct Config final {
 		 */
 		std::string root_pattern = ".crepe-root";
 	} asset;
+	//! Default font options
+	struct {
+		/**
+		 * \brief Default font size
+		 *
+		 * using the SDL_ttf library the font size needs to be set when loading the font. 
+		 * This config option is the font size at which all fonts will be loaded initially.
+		 * 
+		 */
+		int font_size = 16;
+	} font;
 
 	//! Audio system settings
 	struct {
diff --git a/src/crepe/api/Text.cpp b/src/crepe/api/Text.cpp
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/src/crepe/api/Text.cpp
diff --git a/src/crepe/api/Text.h b/src/crepe/api/Text.h
new file mode 100644
index 0000000..9dd275b
--- /dev/null
+++ b/src/crepe/api/Text.h
@@ -0,0 +1,35 @@
+#pragma once
+
+#include <string>
+
+#include "../Component.h"
+
+#include "Asset.h"
+#include "Color.h"
+#include "UIObject.h"
+
+namespace crepe{
+class Text : public UIObject{
+public:
+	Text(game_object_id_t id,const vec2 & dimensions, const vec2 & offset, const Asset & font, int font_size);
+
+	//! Label text.
+	std::string text;
+	//! Label text color
+	Color text_color = Color::BLACK;
+	/**
+	 *  \brief fontsize for text rendering
+	 * 
+	 * \note this is not the actual font size that is loaded in.
+	 * 
+	 * Since SDL_TTF requires the font size when loading in the font it is not possible to switch the font size.
+	 * The default font size that is loaded is set in the Config.
+	 * Instead this value is used to upscale the font texture which can cause blurring or distorted text when upscaling or downscaling too much.
+	 */
+	int font_size = 16;
+
+	const Asset source;
+private:
+};
+
+} // namespace crepe
diff --git a/src/crepe/facade/CMakeLists.txt b/src/crepe/facade/CMakeLists.txt
index 0598e16..f4d71ff 100644
--- a/src/crepe/facade/CMakeLists.txt
+++ b/src/crepe/facade/CMakeLists.txt
@@ -4,6 +4,7 @@ target_sources(crepe PUBLIC
 	SoundContext.cpp
 	SDLContext.cpp
 	DB.cpp
+	SDLFontContext.cpp
 )
 
 target_sources(crepe PUBLIC FILE_SET HEADERS FILES
@@ -12,5 +13,6 @@ target_sources(crepe PUBLIC FILE_SET HEADERS FILES
 	SoundContext.h
 	SDLContext.h
 	DB.h
+	SDLFontContext.h
 )
 
diff --git a/src/crepe/facade/Font.cpp b/src/crepe/facade/Font.cpp
new file mode 100644
index 0000000..2ad176a
--- /dev/null
+++ b/src/crepe/facade/Font.cpp
@@ -0,0 +1,24 @@
+#include "font.h"
+#include "../api/Config.h"
+using namespace std;
+using namespace crepe;
+
+void Font::load(unique_ptr<Asset> res){
+	const char* font_path = res->get_path();
+	int font_size = Config::get_instance().font.font_size;
+    this->font = std::unique_ptr<TTF_Font, decltype(&TTF_CloseFont)>(
+        TTF_OpenFont(font_path, font_size), &TTF_CloseFont); 
+
+    if (!font) {
+        throw std::runtime_error("Failed to load font: " + std::string(TTF_GetError()));
+    }
+}
+Font::Font(const char* src){
+	this->load(make_unique<Asset>(src));
+}
+Font::Font(std::unique_ptr<Asset> res){
+	this->load(std::move(res));
+}
+const TTF_Font& Font::get_font() const{
+	return this->font;
+}
diff --git a/src/crepe/facade/Font.h b/src/crepe/facade/Font.h
new file mode 100644
index 0000000..e34ac63
--- /dev/null
+++ b/src/crepe/facade/Font.h
@@ -0,0 +1,33 @@
+#pragma once
+
+#include <memory>
+#include <SDL2/SDL_ttf.h>
+
+#include "../api/Asset.h"
+#include "../api/Config.h"
+
+namespace crepe {
+
+/**
+ * \brief Font resource facade
+ *
+ * This class is a wrapper around an SDL_ttf font instance, encapsulating font loading and usage.
+ */
+class Font : public Resource{
+public:
+    /**.
+	 * \param src Asset with texture data to load.
+	 * \param mediator use the SDLContext reference to load the image
+	 */
+    Font(const Asset & src, Mediator & mediator);
+
+
+    ~Font() = default
+	const TTF_Font& get_font() const;
+private:
+	//! The SDL_ttf font object with custom deleter.
+    std::unique_ptr<TTF_Font, decltype(&TTF_CloseFont)> font;
+	int default_font_size = Config::get_instance().font.font_size;
+};
+
+} // namespace crepe
diff --git a/src/crepe/facade/SDLFontContext.cpp b/src/crepe/facade/SDLFontContext.cpp
new file mode 100644
index 0000000..a4be143
--- /dev/null
+++ b/src/crepe/facade/SDLFontContext.cpp
@@ -0,0 +1,54 @@
+#include <stdexcept>
+
+#include "SDLFontContext.h"
+
+
+using namespace crepe;
+using namespace std;
+
+SDLFontContext::SDLFontContext(){
+	
+}
+
+SDLFontContext::~SDLFontContext(){
+	
+}
+unique_ptr<Asset> SDLFontContext::get_font_asset(const std::string & font_family) {
+	if (!FcInit()) {
+            throw std::runtime_error("Failed to initialize Fontconfig.");
+    }
+    // Create a pattern to search for the font family
+    FcPattern* pattern = FcNameParse(reinterpret_cast<const FcChar8*>(font_family.c_str()));
+    if (!pattern) {
+        throw std::runtime_error("Failed to create font pattern.");
+    }
+
+    // Default configuration
+    FcConfig* config = FcConfigGetCurrent();
+    if (!config) {
+        FcPatternDestroy(pattern);
+        throw std::runtime_error("Failed to get current Fontconfig configuration.");
+    }
+
+    // Match the font pattern
+    FcResult result;
+    FcPattern* matched_pattern = FcFontMatch(config, pattern, &result);
+    FcPatternDestroy(pattern);
+
+    if (!matched_pattern) {
+        throw std::runtime_error("No matching font found.");
+    }
+
+    // Extract the file path
+    FcChar8* file_path = nullptr;
+    if (FcPatternGetString(matched_pattern, FC_FILE, 0, &file_path) != FcResultMatch || !file_path) {
+        FcPatternDestroy(matched_pattern);
+        throw std::runtime_error("Failed to get font file path.");
+    }
+
+    // Convert the file path to a std::string
+    std::string font_file_path(reinterpret_cast<const char*>(file_path));
+    FcPatternDestroy(matched_pattern);
+	FcFini();
+    return std::move(make_unique<Asset>(font_file_path));
+}
diff --git a/src/crepe/facade/SDLFontContext.h b/src/crepe/facade/SDLFontContext.h
new file mode 100644
index 0000000..cd91383
--- /dev/null
+++ b/src/crepe/facade/SDLFontContext.h
@@ -0,0 +1,18 @@
+#pragma once
+
+#include <memory>
+#include <SDL2/SDL_ttf.h>
+#include <fontconfig/fontconfig.h>
+
+#include "../api/Asset.h"
+
+namespace crepe {
+	class SDLFontContext{
+	public:
+		SDLFontContext();
+		~SDLFontContext();
+		std::unique_ptr<Asset> get_font_asset(const std::string & font_family);
+	private:
+	};
+
+}
diff --git a/src/example/CMakeLists.txt b/src/example/CMakeLists.txt
index 187ed46..0e2d5e2 100644
--- a/src/example/CMakeLists.txt
+++ b/src/example/CMakeLists.txt
@@ -19,4 +19,5 @@ endfunction()
 add_example(rendering_particle)
 add_example(game)
 add_example(button)
+add_example(loadfont)
 add_example(AITest)
diff --git a/src/example/loadfont.cpp b/src/example/loadfont.cpp
new file mode 100644
index 0000000..8931ce3
--- /dev/null
+++ b/src/example/loadfont.cpp
@@ -0,0 +1,13 @@
+#include <iostream>
+#include <memory>
+
+#include <crepe/facade/SDLFontContext.h>
+
+using namespace crepe;
+
+int main(){
+	SDLFontContext font_facade;
+	std::unique_ptr<Asset> asset = font_facade.get_font_asset("OpenSymbol");
+	std::cout << "path: " << asset->get_path() << std::endl;
+	return 0;
+}