Merge remote-tracking branch 'origin/master' into max/game

12 files changed, 264 insertions, 35 deletions

diff --git a/src/crepe/facade/CMakeLists.txt b/src/crepe/facade/CMakeLists.txt
index 0598e16..243ae46 100644
--- a/src/crepe/facade/CMakeLists.txt
+++ b/src/crepe/facade/CMakeLists.txt
@@ -4,6 +4,8 @@ target_sources(crepe PUBLIC
 	SoundContext.cpp
 	SDLContext.cpp
 	DB.cpp
+	FontFacade.cpp
+	Font.cpp
 )
 
 target_sources(crepe PUBLIC FILE_SET HEADERS FILES
@@ -12,5 +14,7 @@ target_sources(crepe PUBLIC FILE_SET HEADERS FILES
 	SoundContext.h
 	SDLContext.h
 	DB.h
+	FontFacade.h
+	Font.h
 )
 
diff --git a/src/crepe/facade/DB.cpp b/src/crepe/facade/DB.cpp
index 95cf606..7a3e473 100644
--- a/src/crepe/facade/DB.cpp
+++ b/src/crepe/facade/DB.cpp
@@ -1,6 +1,6 @@
 #include <cstring>
 
-#include "util/Log.h"
+#include "util/dbg.h"
 
 #include "DB.h"
 
@@ -21,12 +21,6 @@ DB::DB(const string & path) {
 	const char * file = path.empty() ? NULL : path.c_str();
 	ret = this->db->open(this->db.get(), NULL, file, NULL, libdb::DB_BTREE, DB_CREATE, 0);
 	if (ret != 0) throw runtime_error(format("db->open: {}", libdb::db_strerror(ret)));
-
-	// create cursor
-	libdb::DBC * cursor;
-	ret = this->db->cursor(this->db.get(), NULL, &cursor, 0);
-	if (ret != 0) throw runtime_error(format("db->cursor: {}", libdb::db_strerror(ret)));
-	this->cursor = {cursor, [](libdb::DBC * cursor) { cursor->close(cursor); }};
 }
 
 libdb::DBT DB::to_thing(const string & thing) const noexcept {
@@ -42,10 +36,10 @@ string DB::get(const string & key) {
 	libdb::DBT db_val;
 	memset(&db_val, 0, sizeof(libdb::DBT));
 
-	int ret = this->cursor->get(this->cursor.get(), &db_key, &db_val, DB_FIRST);
+	int ret = this->db->get(this->db.get(), NULL, &db_key, &db_val, 0);
 	if (ret == 0) return {static_cast<char *>(db_val.data), db_val.size};
 
-	string err = format("cursor->get: {}", libdb::db_strerror(ret));
+	string err = format("db->get: {}", libdb::db_strerror(ret));
 	if (ret == DB_NOTFOUND) throw out_of_range(err);
 	else throw runtime_error(err);
 }
@@ -54,7 +48,7 @@ void DB::set(const string & key, const string & value) {
 	libdb::DBT db_key = this->to_thing(key);
 	libdb::DBT db_val = this->to_thing(value);
 	int ret = this->db->put(this->db.get(), NULL, &db_key, &db_val, 0);
-	if (ret != 0) throw runtime_error(format("cursor->get: {}", libdb::db_strerror(ret)));
+	if (ret != 0) throw runtime_error(format("db->get: {}", libdb::db_strerror(ret)));
 }
 
 bool DB::has(const std::string & key) {
diff --git a/src/crepe/facade/DB.h b/src/crepe/facade/DB.h
index 115c0f1..84cdf19 100644
--- a/src/crepe/facade/DB.h
+++ b/src/crepe/facade/DB.h
@@ -61,8 +61,6 @@ public:
 private:
 	//! RAII wrapper around \c DB struct
 	std::unique_ptr<libdb::DB, std::function<void(libdb::DB *)>> db;
-	//! RAII wrapper around \c DBC struct
-	std::unique_ptr<libdb::DBC, std::function<void(libdb::DBC *)>> cursor;
 
 private:
 	/**
diff --git a/src/crepe/facade/Font.cpp b/src/crepe/facade/Font.cpp
new file mode 100644
index 0000000..771002f
--- /dev/null
+++ b/src/crepe/facade/Font.cpp
@@ -0,0 +1,21 @@
+#include <SDL2/SDL_ttf.h>
+
+#include "../api/Asset.h"
+#include "../api/Config.h"
+
+#include "Font.h"
+
+using namespace std;
+using namespace crepe;
+
+Font::Font(const Asset & src, Mediator & mediator) : Resource(src, mediator) {
+	const Config & config = Config::get_instance();
+	const std::string FONT_PATH = src.get_path();
+	TTF_Font * loaded_font = TTF_OpenFont(FONT_PATH.c_str(), config.font.size);
+	if (loaded_font == NULL) {
+		throw runtime_error(format("Font: {} (path: {})", TTF_GetError(), FONT_PATH));
+	}
+	this->font = {loaded_font, [](TTF_Font * close_font) { TTF_CloseFont(close_font); }};
+}
+
+TTF_Font * Font::get_font() const { return this->font.get(); }
diff --git a/src/crepe/facade/Font.h b/src/crepe/facade/Font.h
new file mode 100644
index 0000000..b208d96
--- /dev/null
+++ b/src/crepe/facade/Font.h
@@ -0,0 +1,42 @@
+#pragma once
+
+#include <SDL2/SDL_ttf.h>
+#include <memory>
+
+#include "../Resource.h"
+#include "../api/Config.h"
+
+namespace crepe {
+
+class Asset;
+/**
+ * \brief Resource for managing font creation and destruction
+ *
+ * This class is a wrapper around an SDL_ttf font instance, encapsulating font loading and usage.
+ * It loads a font from an Asset and manages its lifecycle. The font is automatically unloaded
+ * when this object is destroyed.
+ */
+class Font : public Resource {
+
+public:
+	/**
+     * \param src The Asset containing the font file path and metadata to load the font.
+     * \param mediator The Mediator object used for managing the SDL context or related systems.
+     */
+	Font(const Asset & src, Mediator & mediator);
+	/**
+     * \brief Gets the underlying TTF_Font resource.
+     * 
+     * This function returns the raw pointer to the SDL_ttf TTF_Font object that represents
+     * the loaded font. This can be used with SDL_ttf functions to render text.
+     * 
+     * \return The raw TTF_Font object wrapped in a unique pointer.
+     */
+	TTF_Font * get_font() const;
+
+private:
+	//! The SDL_ttf font object with custom deleter.
+	std::unique_ptr<TTF_Font, std::function<void(TTF_Font *)>> font = nullptr;
+};
+
+} // namespace crepe
diff --git a/src/crepe/facade/FontFacade.cpp b/src/crepe/facade/FontFacade.cpp
new file mode 100644
index 0000000..87f95ab
--- /dev/null
+++ b/src/crepe/facade/FontFacade.cpp
@@ -0,0 +1,43 @@
+#include <fontconfig/fontconfig.h>
+#include <functional>
+#include <memory>
+#include <stdexcept>
+#include <string>
+
+#include "FontFacade.h"
+
+using namespace std;
+using namespace crepe;
+
+FontFacade::FontFacade() {
+	if (!FcInit()) throw runtime_error("Failed to initialize Fontconfig.");
+}
+
+FontFacade::~FontFacade() { FcFini(); }
+
+Asset FontFacade::get_font_asset(const string & font_family) {
+	FcPattern * raw_pattern
+		= FcNameParse(reinterpret_cast<const FcChar8 *>(font_family.c_str()));
+	if (raw_pattern == NULL) throw runtime_error("Failed to create font pattern.");
+
+	unique_ptr<FcPattern, function<void(FcPattern *)>> pattern{
+		raw_pattern, [](FcPattern * p) { FcPatternDestroy(p); }};
+
+	FcConfig * config = FcConfigGetCurrent();
+	if (config == NULL) throw runtime_error("Failed to get current Fontconfig configuration.");
+
+	FcResult result;
+	FcPattern * raw_matched_pattern = FcFontMatch(config, pattern.get(), &result);
+	if (raw_matched_pattern == NULL) throw runtime_error("No matching font found.");
+
+	unique_ptr<FcPattern, function<void(FcPattern *)>> matched_pattern
+		= {raw_matched_pattern, [](FcPattern * p) { FcPatternDestroy(p); }};
+
+	FcChar8 * file_path = nullptr;
+	FcResult res = FcPatternGetString(matched_pattern.get(), FC_FILE, 0, &file_path);
+	if (res != FcResultMatch || file_path == NULL)
+		throw runtime_error("Failed to get font file path.");
+
+	string font_file_path = reinterpret_cast<const char *>(file_path);
+	return Asset(font_file_path);
+}
diff --git a/src/crepe/facade/FontFacade.h b/src/crepe/facade/FontFacade.h
new file mode 100644
index 0000000..9761070
--- /dev/null
+++ b/src/crepe/facade/FontFacade.h
@@ -0,0 +1,34 @@
+#pragma once
+
+#include <memory>
+
+#include "../api/Asset.h"
+
+namespace crepe {
+
+/**
+ * 
+ * \brief Font facade class for converting font family names to absolute file paths
+ * 
+ */
+class FontFacade {
+public:
+	FontFacade();
+	~FontFacade();
+	FontFacade(const FontFacade & other) = delete;
+	FontFacade & operator=(const FontFacade & other) = delete;
+	FontFacade(FontFacade && other) noexcept = delete;
+	FontFacade & operator=(FontFacade && other) noexcept = delete;
+	/**
+	 * 
+	 * \brief Facade function to convert a font_family into an asset.
+	 * 
+	 * This function uses the FontConfig library to convert a font family name (Arial, Inter, Helvetica) and converts it to the font source path.
+	 * This function returns a default font path if the font_family name doesnt exist or cant be found
+	 * \param font_family Name of the font family name.
+	 * \return Asset with filepath to the corresponding font.
+	 */
+	Asset get_font_asset(const std::string & font_family);
+};
+
+} // namespace crepe
diff --git a/src/crepe/facade/SDLContext.cpp b/src/crepe/facade/SDLContext.cpp
index a75adb2..64c1fe2 100644
--- a/src/crepe/facade/SDLContext.cpp
+++ b/src/crepe/facade/SDLContext.cpp
@@ -7,10 +7,11 @@
 #include <SDL2/SDL_rect.h>
 #include <SDL2/SDL_render.h>
 #include <SDL2/SDL_surface.h>
+#include <SDL2/SDL_ttf.h>
+#include <SDL2/SDL_video.h>
 #include <array>
 #include <cmath>
 #include <cstddef>
-#include <cstdint>
 #include <functional>
 #include <memory>
 #include <stdexcept>
@@ -19,8 +20,12 @@
 #include "../api/Color.h"
 #include "../api/Config.h"
 #include "../api/Sprite.h"
-#include "../util/Log.h"
+#include "../util/dbg.h"
+#include "api/Text.h"
+#include "api/Transform.h"
+#include "facade/Font.h"
 #include "manager/Mediator.h"
+#include "util/AbsolutePosition.h"
 
 #include "SDLContext.h"
 #include "Texture.h"
@@ -59,6 +64,10 @@ SDLContext::SDLContext(Mediator & mediator) {
 		throw runtime_error("SDLContext: SDL_image could not initialize!");
 	}
 
+	if (TTF_Init() == -1) {
+		throw runtime_error(format("SDL_ttf initialization failed: {}", TTF_GetError()));
+	}
+
 	SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "1");
 
 	mediator.sdl_context = *this;
@@ -73,14 +82,14 @@ SDLContext::~SDLContext() {
 	// TODO: how are we going to ensure that these are called from the same
 	// thread that SDL_Init() was called on? This has caused problems for me
 	// before.
+	TTF_Quit();
 	IMG_Quit();
 	SDL_Quit();
 }
 
 Keycode SDLContext::sdl_to_keycode(SDL_Scancode sdl_key) {
-	if (!LOOKUP_TABLE.contains(sdl_key)) return Keycode::NONE;
-
-	return LOOKUP_TABLE.at(sdl_key);
+	if (!lookup_table.contains(sdl_key)) return Keycode::NONE;
+	return lookup_table.at(sdl_key);
 }
 
 const keyboard_state_t & SDLContext::get_keyboard_state() {
@@ -135,6 +144,8 @@ SDL_FRect SDLContext::get_dst_rect(const DestinationRectangleData & ctx) const {
 		= (ctx.sprite.aspect_ratio == 0) ? ctx.texture.get_ratio() : ctx.sprite.aspect_ratio;
 
 	vec2 size = data.size;
+	vec2 screen_pos = ctx.pos;
+
 	if (data.size.x == 0 && data.size.y != 0) {
 		size.x = data.size.y * aspect_ratio;
 	}
@@ -143,10 +154,15 @@ SDL_FRect SDLContext::get_dst_rect(const DestinationRectangleData & ctx) const {
 	}
 	size *= cam_aux_data.render_scale * ctx.img_scale * data.scale_offset;
 
-	vec2 screen_pos = (ctx.pos + data.position_offset - cam_aux_data.cam_pos
-					   + (cam_aux_data.zoomed_viewport) / 2)
-						  * cam_aux_data.render_scale
-					  - size / 2 + cam_aux_data.bar_size;
+	if (ctx.sprite.data.world_space) {
+		screen_pos = (screen_pos - cam_aux_data.cam_pos + cam_aux_data.zoomed_viewport / 2)
+						 * cam_aux_data.render_scale
+					 - size / 2 + cam_aux_data.bar_size;
+	} else {
+		screen_pos
+			= (screen_pos + cam_aux_data.zoomed_viewport / 2) * cam_aux_data.render_scale
+			  - size / 2 + cam_aux_data.bar_size;
+	}
 
 	return SDL_FRect{
 		.x = screen_pos.x,
@@ -186,6 +202,52 @@ void SDLContext::draw(const RenderContext & ctx) {
 					  angle, NULL, render_flip);
 }
 
+void SDLContext::draw_text(const RenderText & data) {
+
+	const Text & text = data.text;
+	const Font & font = data.font;
+	vec2 absoluut_pos = AbsolutePosition::get_position(data.transform, data.text.offset);
+	std::unique_ptr<SDL_Surface, std::function<void(SDL_Surface *)>> font_surface;
+	std::unique_ptr<SDL_Texture, std::function<void(SDL_Texture *)>> font_texture;
+
+	SDL_Color color{
+		.r = text.data.text_color.r,
+		.g = text.data.text_color.g,
+		.b = text.data.text_color.b,
+		.a = text.data.text_color.a,
+	};
+	SDL_Surface * tmp_font_surface
+		= TTF_RenderText_Solid(font.get_font(), text.text.c_str(), color);
+	if (tmp_font_surface == NULL) {
+		throw runtime_error(format("draw_text: font surface error: {}", SDL_GetError()));
+	}
+	font_surface = {tmp_font_surface, [](SDL_Surface * surface) { SDL_FreeSurface(surface); }};
+
+	SDL_Texture * tmp_font_texture
+		= SDL_CreateTextureFromSurface(this->game_renderer.get(), font_surface.get());
+	if (tmp_font_texture == NULL) {
+		throw runtime_error(format("draw_text: font texture error: {}", SDL_GetError()));
+	}
+	font_texture
+		= {tmp_font_texture, [](SDL_Texture * texture) { SDL_DestroyTexture(texture); }};
+
+	vec2 size = text.dimensions * cam_aux_data.render_scale * data.transform.scale;
+	vec2 screen_pos
+		= (absoluut_pos - cam_aux_data.cam_pos + (cam_aux_data.zoomed_viewport) / 2)
+			  * cam_aux_data.render_scale
+		  - size / 2 + cam_aux_data.bar_size;
+
+	SDL_FRect dstrect{
+		.x = screen_pos.x,
+		.y = screen_pos.y,
+		.w = size.x,
+		.h = size.y,
+	};
+
+	SDL_RenderCopyExF(this->game_renderer.get(), font_texture.get(), NULL, &dstrect,
+					  data.transform.rotation, NULL, SDL_FLIP_NONE);
+}
+
 void SDLContext::update_camera_view(const Camera & cam, const vec2 & new_pos) {
 
 	const Camera::Data & cam_data = cam.data;
@@ -411,3 +473,7 @@ void SDLContext::set_color_texture(const Texture & texture, const Color & color)
 	SDL_SetTextureColorMod(texture.get_img(), color.r, color.g, color.b);
 	SDL_SetTextureAlphaMod(texture.get_img(), color.a);
 }
+
+Asset SDLContext::get_font_from_name(const std::string & font_family) {
+	return this->font_facade.get_font_asset(font_family);
+}
diff --git a/src/crepe/facade/SDLContext.h b/src/crepe/facade/SDLContext.h
index 8f4760e..e570073 100644
--- a/src/crepe/facade/SDLContext.h
+++ b/src/crepe/facade/SDLContext.h
@@ -12,6 +12,7 @@
 #include <unordered_map>
 
 #include "../types.h"
+#include "EventData.h"
 #include "api/Camera.h"
 #include "api/Color.h"
 #include "api/KeyCodes.h"
@@ -19,9 +20,13 @@
 #include "api/Transform.h"
 
 #include "EventData.h"
+#include "FontFacade.h"
+#include "types.h"
 
 namespace crepe {
 class Texture;
+class Text;
+class Font;
 class Mediator;
 
 /**
@@ -69,12 +74,11 @@ public:
 		const double & scale;
 	};
 
-public:
-	/**
-	 * \brief Gets the singleton instance of SDLContext.
-	 * \return Reference to the SDLContext instance.
-	 */
-	static SDLContext & get_instance();
+	struct RenderText {
+		const Text & text;
+		const Font & font;
+		const Transform & transform;
+	};
 
 public:
 	SDLContext(const SDLContext &) = delete;
@@ -184,6 +188,13 @@ public:
 	 */
 	void draw(const RenderContext & ctx);
 
+	/**
+	 * \brief draws a text to the screen 
+	 *
+	 * \param data Reference to the rendering data needed to draw
+	 */
+	void draw_text(const RenderText & data);
+
 	//! Clears the screen, preparing for a new frame.
 	void clear_screen();
 
@@ -242,10 +253,24 @@ private:
 	CameraAuxiliaryData cam_aux_data;
 
 private:
+	//! instance of the font_facade
+	FontFacade font_facade{};
+
+public:
+	/**
+	 * \brief Function to Get asset from font_family
+	 * 
+	 * This function uses the FontFacade function to convert a font_family to an asset.
+	 * 
+	 * \param font_family name of the font style that needs to be used (will return an asset with default font path of the font_family doesnt exist)
+	 * 
+	 * \return asset with the font style absolute path
+	 */
+	Asset get_font_from_name(const std::string & font_family);
 	//! variable to store the state of each key (true = pressed, false = not pressed)
 	keyboard_state_t keyboard_state;
 	//! lookup table for converting SDL_SCANCODES to Keycodes
-	const std::unordered_map<SDL_Scancode, Keycode> LOOKUP_TABLE
+	const std::unordered_map<SDL_Scancode, Keycode> lookup_table
 		= {{SDL_SCANCODE_SPACE, Keycode::SPACE},
 		   {SDL_SCANCODE_APOSTROPHE, Keycode::APOSTROPHE},
 		   {SDL_SCANCODE_COMMA, Keycode::COMMA},
diff --git a/src/crepe/facade/Sound.cpp b/src/crepe/facade/Sound.cpp
index 97e455e..b1e6463 100644
--- a/src/crepe/facade/Sound.cpp
+++ b/src/crepe/facade/Sound.cpp
@@ -1,5 +1,5 @@
 #include "../api/Asset.h"
-#include "../util/Log.h"
+#include "../util/dbg.h"
 
 #include "Sound.h"
 
diff --git a/src/crepe/facade/SoundContext.cpp b/src/crepe/facade/SoundContext.cpp
index b1f8cb3..5091e07 100644
--- a/src/crepe/facade/SoundContext.cpp
+++ b/src/crepe/facade/SoundContext.cpp
@@ -1,4 +1,4 @@
-#include "../util/Log.h"
+#include "../util/dbg.h"
 
 #include "SoundContext.h"
 
diff --git a/src/crepe/facade/Texture.cpp b/src/crepe/facade/Texture.cpp
index b63403d..06caa54 100644
--- a/src/crepe/facade/Texture.cpp
+++ b/src/crepe/facade/Texture.cpp
@@ -1,10 +1,11 @@
-#include "../util/Log.h"
-#include "facade/SDLContext.h"
-#include "manager/Mediator.h"
+#include "../Resource.h"
+#include "../facade/SDLContext.h"
+#include "../manager/Mediator.h"
+#include "../types.h"
+#include "../util/dbg.h"
 
-#include "Resource.h"
+#include "SDLContext.h"
 #include "Texture.h"
-#include "types.h"
 
 using namespace crepe;
 using namespace std;
@@ -23,6 +24,7 @@ Texture::~Texture() {
 }
 
 const ivec2 & Texture::get_size() const noexcept { return this->size; }
+
 const float & Texture::get_ratio() const noexcept { return this->aspect_ratio; }
 
 SDL_Texture * Texture::get_img() const noexcept { return this->texture.get(); }