10 files changed, 319 insertions, 261 deletions

diff --git a/src/crepe/facade/CMakeLists.txt b/src/crepe/facade/CMakeLists.txt
index 4cc53bc..0598e16 100644
--- a/src/crepe/facade/CMakeLists.txt
+++ b/src/crepe/facade/CMakeLists.txt
@@ -1,5 +1,6 @@
 target_sources(crepe PUBLIC
 	Sound.cpp
+	Texture.cpp
 	SoundContext.cpp
 	SDLContext.cpp
 	DB.cpp
@@ -7,6 +8,7 @@ target_sources(crepe PUBLIC
 
 target_sources(crepe PUBLIC FILE_SET HEADERS FILES
 	Sound.h
+	Texture.h
 	SoundContext.h
 	SDLContext.h
 	DB.h
diff --git a/src/crepe/facade/SDLContext.cpp b/src/crepe/facade/SDLContext.cpp
index 8f6c02c..4552605 100644
--- a/src/crepe/facade/SDLContext.cpp
+++ b/src/crepe/facade/SDLContext.cpp
@@ -2,6 +2,7 @@
 #include <SDL2/SDL_blendmode.h>
 #include <SDL2/SDL_image.h>
 #include <SDL2/SDL_keycode.h>
+#include <SDL2/SDL_pixels.h>
 #include <SDL2/SDL_rect.h>
 #include <SDL2/SDL_render.h>
 #include <SDL2/SDL_surface.h>
@@ -18,23 +19,18 @@
 #include "../api/Color.h"
 #include "../api/Config.h"
 #include "../api/Sprite.h"
-#include "../api/Texture.h"
 #include "../util/Log.h"
+#include "manager/Mediator.h"
 
 #include "SDLContext.h"
+#include "Texture.h"
 #include "types.h"
 
 using namespace crepe;
 using namespace std;
 
-SDLContext & SDLContext::get_instance() {
-	static SDLContext instance;
-	return instance;
-}
-
-SDLContext::SDLContext() {
+SDLContext::SDLContext(Mediator & mediator) {
 	dbg_trace();
-
 	if (SDL_Init(SDL_INIT_VIDEO) != 0) {
 		throw runtime_error(format("SDLContext: SDL_Init error: {}", SDL_GetError()));
 	}
@@ -62,6 +58,8 @@ SDLContext::SDLContext() {
 	if (!(IMG_Init(img_flags) & img_flags)) {
 		throw runtime_error("SDLContext: SDL_image could not initialize!");
 	}
+
+	mediator.sdl_context = *this;
 }
 
 SDLContext::~SDLContext() {
@@ -236,35 +234,26 @@ void SDLContext::present_screen() {
 	SDL_RenderPresent(this->game_renderer.get());
 }
 
-SDL_Rect SDLContext::get_src_rect(const Sprite & sprite) const {
-	return SDL_Rect{
-		.x = sprite.mask.x,
-		.y = sprite.mask.y,
-		.w = sprite.mask.w,
-		.h = sprite.mask.h,
-	};
-}
-
 SDL_FRect SDLContext::get_dst_rect(const DestinationRectangleData & ctx) const {
 
 	const Sprite::Data & data = ctx.sprite.data;
 
+	float aspect_ratio
+		= (ctx.sprite.aspect_ratio == 0) ? ctx.texture.get_ratio() : ctx.sprite.aspect_ratio;
+
 	vec2 size = data.size;
 	if (data.size.x == 0 && data.size.y != 0) {
-		size.x = data.size.y * ctx.sprite.aspect_ratio;
+		size.x = data.size.y * aspect_ratio;
 	}
 	if (data.size.y == 0 && data.size.x != 0) {
-		size.y = data.size.x / ctx.sprite.aspect_ratio;
+		size.y = data.size.x / aspect_ratio;
 	}
+	size *= cam_aux_data.render_scale * ctx.img_scale * data.scale_offset;
 
-	const CameraValues & cam = ctx.cam;
-
-	size *= cam.render_scale * ctx.img_scale * data.scale_offset;
-
-	vec2 screen_pos
-		= (ctx.pos + data.position_offset - cam.cam_pos + (cam.zoomed_viewport) / 2)
-			  * cam.render_scale
-		  - size / 2 + cam.bar_size;
+	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;
 
 	return SDL_FRect{
 		.x = screen_pos.x,
@@ -275,31 +264,38 @@ SDL_FRect SDLContext::get_dst_rect(const DestinationRectangleData & ctx) const {
 }
 
 void SDLContext::draw(const RenderContext & ctx) {
-
 	const Sprite::Data & data = ctx.sprite.data;
 	SDL_RendererFlip render_flip
 		= (SDL_RendererFlip) ((SDL_FLIP_HORIZONTAL * data.flip.flip_x)
 							  | (SDL_FLIP_VERTICAL * data.flip.flip_y));
 
-	SDL_Rect srcrect = this->get_src_rect(ctx.sprite);
+	SDL_Rect srcrect;
+	SDL_Rect * srcrect_ptr = NULL;
+	if (ctx.sprite.mask.w != 0 || ctx.sprite.mask.h != 0) {
+		srcrect.w = ctx.sprite.mask.w;
+		srcrect.h = ctx.sprite.mask.h;
+		srcrect.x = ctx.sprite.mask.x;
+		srcrect.y = ctx.sprite.mask.y;
+		srcrect_ptr = &srcrect;
+	}
+
 	SDL_FRect dstrect = this->get_dst_rect(SDLContext::DestinationRectangleData{
 		.sprite = ctx.sprite,
-		.cam = ctx.cam,
+		.texture = ctx.texture,
 		.pos = ctx.pos,
 		.img_scale = ctx.scale,
 	});
 
 	double angle = ctx.angle + data.angle_offset;
 
-	this->set_color_texture(ctx.sprite.texture, ctx.sprite.data.color);
-	SDL_RenderCopyExF(this->game_renderer.get(), ctx.sprite.texture.texture.get(), &srcrect,
-					  &dstrect, angle, NULL, render_flip);
+	this->set_color_texture(ctx.texture, ctx.sprite.data.color);
+	SDL_RenderCopyExF(this->game_renderer.get(), ctx.texture.get_img(), srcrect_ptr, &dstrect,
+					  angle, NULL, render_flip);
 }
 
-SDLContext::CameraValues SDLContext::set_camera(const Camera & cam) {
+void SDLContext::update_camera_view(const Camera & cam, const vec2 & new_pos) {
 
 	const Camera::Data & cam_data = cam.data;
-	CameraValues ret_cam;
 	// resize window
 	int w, h;
 	SDL_GetWindowSize(this->game_window.get(), &w, &h);
@@ -307,9 +303,10 @@ SDLContext::CameraValues SDLContext::set_camera(const Camera & cam) {
 		SDL_SetWindowSize(this->game_window.get(), cam.screen.x, cam.screen.y);
 	}
 
-	vec2 & zoomed_viewport = ret_cam.zoomed_viewport;
-	vec2 & bar_size = ret_cam.bar_size;
-	vec2 & render_scale = ret_cam.render_scale;
+	vec2 & zoomed_viewport = this->cam_aux_data.zoomed_viewport;
+	vec2 & bar_size = this->cam_aux_data.bar_size;
+	vec2 & render_scale = this->cam_aux_data.render_scale;
+	this->cam_aux_data.cam_pos = new_pos;
 
 	zoomed_viewport = cam.viewport_size * cam_data.zoom;
 	float screen_aspect = static_cast<float>(cam.screen.x) / cam.screen.y;
@@ -351,12 +348,8 @@ SDLContext::CameraValues SDLContext::set_camera(const Camera & cam) {
 
 	// fill bg color
 	SDL_RenderFillRect(this->game_renderer.get(), &bg);
-
-	return ret_cam;
 }
 
-uint64_t SDLContext::get_ticks() const { return SDL_GetTicks64(); }
-
 std::unique_ptr<SDL_Texture, std::function<void(SDL_Texture *)>>
 SDLContext::texture_from_path(const std::string & path) {
 
@@ -383,18 +376,17 @@ SDLContext::texture_from_path(const std::string & path) {
 
 ivec2 SDLContext::get_size(const Texture & ctx) {
 	ivec2 size;
-	SDL_QueryTexture(ctx.texture.get(), NULL, NULL, &size.x, &size.y);
+	SDL_QueryTexture(ctx.get_img(), NULL, NULL, &size.x, &size.y);
 	return size;
 }
 
-void SDLContext::delay(int ms) const { SDL_Delay(ms); }
-
 std::vector<SDLContext::EventData> SDLContext::get_events() {
 	std::vector<SDLContext::EventData> event_list;
 	SDL_Event event;
-
-	// Handle general SDL events
 	while (SDL_PollEvent(&event)) {
+		ivec2 mouse_pos;
+		mouse_pos.x = (event.button.x - cam.bar_size.x) / cam.render_scale.x;
+		mouse_pos.y = (event.button.y - cam.bar_size.y) / cam.render_scale.y;
 		switch (event.type) {
 			case SDL_QUIT:
 				event_list.push_back({SDLContext::EventType::SHUTDOWN, {}, {}, {}});
@@ -413,41 +405,38 @@ std::vector<SDLContext::EventData> SDLContext::get_events() {
 									  {}});
 				break;
 			case SDL_MOUSEBUTTONDOWN:
-				event_list.push_back({SDLContext::EventType::MOUSEDOWN,
-									  {},
-									  {sdl_to_mousebutton(event.button.button),
-									   {event.button.x, event.button.y}},
-									  {}});
+				event_list.push_back(EventData{
+					.event_type = SDLContext::EventType::MOUSEDOWN,
+					.mouse_button = sdl_to_mousebutton(event.button.button),
+					.mouse_position = {event.button.x, event.button.y},
+				});
 				break;
-			case SDL_MOUSEBUTTONUP:
-				event_list.push_back({SDLContext::EventType::MOUSEUP,
-									  {},
-									  {sdl_to_mousebutton(event.button.button),
-									   {event.button.x, event.button.y}},
-									  {}});
-				break;
-			case SDL_MOUSEMOTION:
-				event_list.push_back({SDLContext::EventType::MOUSEMOVE,
-									  {},
-									  {{},
-									   {event.motion.x, event.motion.y},
-									   -1,
-									   INFINITY,
-									   {event.motion.xrel, event.motion.yrel}},
-									  {}});
-				break;
-			case SDL_MOUSEWHEEL:
+			case SDL_MOUSEBUTTONUP: {
+				int x, y;
+				SDL_GetMouseState(&x, &y);
+				event_list.push_back(EventData{
+					.event_type = SDLContext::EventType::MOUSEUP,
+					.mouse_button = sdl_to_mousebutton(event.button.button),
+					.mouse_position = {event.button.x, event.button.y},
+				});
+			} break;
+
+			case SDL_MOUSEMOTION: {
 				event_list.push_back(
-					{SDLContext::EventType::MOUSEWHEEL,
-					 {},
-					 {{}, {}, event.wheel.y < 0 ? -1 : 1, event.wheel.preciseY, {}},
-					 {}});
-				break;
-
-			// Forward window events for further processing
-			case SDL_WINDOWEVENT:
-				this->handle_window_event(event.window, event_list);
-				break;
+					EventData{.event_type = SDLContext::EventType::MOUSEMOVE,
+							  .mouse_position = {event.motion.x, event.motion.y},
+							  .rel_mouse_move = {event.motion.xrel, event.motion.yrel}});
+			} break;
+
+			case SDL_MOUSEWHEEL: {
+				event_list.push_back(EventData{
+					.event_type = SDLContext::EventType::MOUSEWHEEL,
+					.mouse_position = {event.motion.x, event.motion.y},
+					// TODO: why is this needed?
+					.scroll_direction = event.wheel.y < 0 ? -1 : 1,
+					.scroll_delta = event.wheel.preciseY,
+				});
+			} break;
 		}
 	}
 
@@ -489,6 +478,6 @@ void SDLContext::handle_window_event(const SDL_WindowEvent & window_event,
 }
 
 void SDLContext::set_color_texture(const Texture & texture, const Color & color) {
-	SDL_SetTextureColorMod(texture.texture.get(), color.r, color.g, color.b);
-	SDL_SetTextureAlphaMod(texture.texture.get(), color.a);
+	SDL_SetTextureColorMod(texture.get_img(), color.r, color.g, color.b);
+	SDL_SetTextureAlphaMod(texture.get_img(), color.a);
 }
diff --git a/src/crepe/facade/SDLContext.h b/src/crepe/facade/SDLContext.h
index 053aa59..0a2456d 100644
--- a/src/crepe/facade/SDLContext.h
+++ b/src/crepe/facade/SDLContext.h
@@ -15,16 +15,16 @@
 #include "api/Color.h"
 #include "api/KeyCodes.h"
 #include "api/Sprite.h"
-#include "api/Texture.h"
 #include "api/Transform.h"
+
 #include "types.h"
 
 namespace crepe {
 
-class LoopManager;
-class InputSystem;
+class Texture;
+class Mediator;
+
 /**
- * \class SDLContext
  * \brief Facade for the SDL library
  *
  * SDLContext is a singleton that handles the SDL window and renderer, provides methods for
@@ -33,7 +33,7 @@ class InputSystem;
 class SDLContext {
 public:
 	//! data that the camera component cannot hold
-	struct CameraValues {
+	struct CameraAuxiliaryData {
 
 		//! zoomed in viewport in game_units
 		vec2 zoomed_viewport;
@@ -63,7 +63,7 @@ public:
 	//! rendering data needed to render on screen
 	struct RenderContext {
 		const Sprite & sprite;
-		const CameraValues & cam;
+		const Texture & texture;
 		const vec2 & pos;
 		const double & angle;
 		const double & scale;
@@ -129,14 +129,26 @@ public:
 	 */
 	static SDLContext & get_instance();
 
+public:
 	SDLContext(const SDLContext &) = delete;
 	SDLContext(SDLContext &&) = delete;
 	SDLContext & operator=(const SDLContext &) = delete;
 	SDLContext & operator=(SDLContext &&) = delete;
 
-private:
-	//! will only use get_events
-	friend class InputSystem;
+public:
+	/**
+	 * \brief Constructs an SDLContext instance.
+	 * Initializes SDL, creates a window and renderer.
+	 */
+	SDLContext(Mediator & mediator);
+
+	/**
+	 * \brief Destroys the SDLContext instance.
+	 * Cleans up SDL resources, including the window and renderer.
+	 */
+	~SDLContext();
+
+public:
 	/**
 	 * \brief Retrieves a list of all events from the SDL context.
 	 *
@@ -177,9 +189,7 @@ private:
 	 */
 	MouseButton sdl_to_mousebutton(Uint8 sdl_button);
 
-private:
-	//! Will only use delay
-	friend class LoopTimer;
+public:
 	/**
 	 * \brief Gets the current SDL ticks since the program started.
 	 * \return Current ticks in milliseconds as a constant uint64_t.
@@ -195,23 +205,7 @@ private:
 	 */
 	void delay(int ms) const;
 
-private:
-	/**
-	 * \brief Constructs an SDLContext instance.
-	 * Initializes SDL, creates a window and renderer.
-	 */
-	SDLContext();
-
-	/**
-	 * \brief Destroys the SDLContext instance.
-	 * Cleans up SDL resources, including the window and renderer.
-	 */
-	~SDLContext();
-
-private:
-	//! Will use the funtions: texture_from_path, get_width,get_height.
-	friend class Texture;
-
+public:
 	/**
 	 * \brief Loads a texture from a file path.
 	 * \param path Path to the image file.
@@ -222,14 +216,11 @@ private:
 	/**
 	 * \brief Gets the size of a texture.
 	 * \param texture Reference to the Texture object.
-	 * \return Width and height of the texture as an integer.
+	 * \return Width and height of the texture as an integer in pixels.
 	 */
 	ivec2 get_size(const Texture & ctx);
 
-private:
-	//! Will use draw,clear_screen, present_screen, camera.
-	friend class RenderSystem;
-
+public:
 	/**
 	 * \brief Draws a sprite to the screen using the specified transform and camera.
 	 * \param RenderContext Reference to rendering data to draw
@@ -243,35 +234,28 @@ private:
 	void present_screen();
 
 	/**
-	 * \brief sets the background of the camera (will be adjusted in future PR)
-	 * \param camera Reference to the Camera object.
+	 * \brief calculates camera view settings. such as black_bars, zoomed_viewport, scaling and
+	 * adjusting window size.
+	 *
+	 * \note only supports windowed mode.
+	 * \param camera Reference to the current Camera object in the scene.
+	 * \param new_pos new camera position from transform and offset
 	 */
-	CameraValues set_camera(const Camera & camera);
+	void update_camera_view(const Camera & camera, const vec2 & new_pos);
 
-private:
+public:
 	//! the data needed to construct a sdl dst rectangle
 	struct DestinationRectangleData {
 		const Sprite & sprite;
-		const CameraValues & cam;
+		const Texture & texture;
 		const vec2 & pos;
 		const double & img_scale;
 	};
-	/**
-	 * \brief calculates the sqaure size of the image
-	 *
-	 * \param sprite Reference to the sprite to calculate the rectangle
-	 * \return sdl rectangle to draw a src image
-	 */
-	SDL_Rect get_src_rect(const Sprite & sprite) const;
 
 	/**
 	 * \brief calculates the sqaure size of the image for destination
 	 *
-	 * \param sprite Reference to the sprite to calculate rectangle
-	 * \param pos the pos in world units
-	 * \param cam the camera of the current scene
-	 * \param cam_pos the current postion of the camera
-	 * \param img_scale the image multiplier for increasing img size
+	 * \param data needed to calculate a destination rectangle
 	 * \return sdl rectangle to draw a dst image to draw on the screen
 	 */
 	SDL_FRect get_dst_rect(const DestinationRectangleData & data) const;
@@ -292,6 +276,13 @@ private:
 
 	//! black bars rectangle to draw
 	SDL_FRect black_bars[2] = {};
+
+	/**
+	 * \cam_aux_data extra data that the component cannot hold.
+	 *
+	 * - this is defined in this class because get_events() needs this information aswell
+	 */
+	CameraAuxiliaryData cam_aux_data;
 };
 
 } // namespace crepe
diff --git a/src/crepe/facade/Sound.cpp b/src/crepe/facade/Sound.cpp
index 4d3abf5..97e455e 100644
--- a/src/crepe/facade/Sound.cpp
+++ b/src/crepe/facade/Sound.cpp
@@ -1,59 +1,13 @@
+#include "../api/Asset.h"
 #include "../util/Log.h"
 
 #include "Sound.h"
-#include "SoundContext.h"
 
 using namespace crepe;
 using namespace std;
 
-Sound::Sound(unique_ptr<Asset> res) {
+Sound::Sound(const Asset & src, Mediator & mediator) : Resource(src, mediator) {
+	this->sample.load(src.get_path().c_str());
 	dbg_trace();
-	this->load(std::move(res));
-}
-
-Sound::Sound(const char * src) {
-	dbg_trace();
-	this->load(make_unique<Asset>(src));
-}
-
-void Sound::load(unique_ptr<Asset> res) { this->sample.load(res->get_path().c_str()); }
-
-void Sound::play() {
-	SoundContext & ctx = SoundContext::get_instance();
-	if (ctx.engine.getPause(this->handle)) {
-		// resume if paused
-		ctx.engine.setPause(this->handle, false);
-	} else {
-		// or start new sound
-		this->handle = ctx.engine.play(this->sample, this->volume);
-		ctx.engine.setLooping(this->handle, this->looping);
-	}
-}
-
-void Sound::pause() {
-	SoundContext & ctx = SoundContext::get_instance();
-	if (ctx.engine.getPause(this->handle)) return;
-	ctx.engine.setPause(this->handle, true);
-}
-
-void Sound::rewind() {
-	SoundContext & ctx = SoundContext::get_instance();
-	if (!ctx.engine.isValidVoiceHandle(this->handle)) return;
-	ctx.engine.seek(this->handle, 0);
-}
-
-void Sound::set_volume(float volume) {
-	this->volume = volume;
-
-	SoundContext & ctx = SoundContext::get_instance();
-	if (!ctx.engine.isValidVoiceHandle(this->handle)) return;
-	ctx.engine.setVolume(this->handle, this->volume);
-}
-
-void Sound::set_looping(bool looping) {
-	this->looping = looping;
-
-	SoundContext & ctx = SoundContext::get_instance();
-	if (!ctx.engine.isValidVoiceHandle(this->handle)) return;
-	ctx.engine.setLooping(this->handle, this->looping);
 }
+Sound::~Sound() { dbg_trace(); }
diff --git a/src/crepe/facade/Sound.h b/src/crepe/facade/Sound.h
index ee43d94..4a5d692 100644
--- a/src/crepe/facade/Sound.h
+++ b/src/crepe/facade/Sound.h
@@ -1,84 +1,31 @@
 #pragma once
 
-#include <memory>
 #include <soloud/soloud.h>
 #include <soloud/soloud_wav.h>
 
-#include "../api/Asset.h"
+#include "../Resource.h"
 
 namespace crepe {
 
+class SoundContext;
+class Mediator;
+
 /**
  * \brief Sound resource facade
  *
- * This class is a wrapper around a \c SoLoud::Wav instance, which holds a
- * single sample. It is part of the sound facade.
+ * This class is a wrapper around a \c SoLoud::Wav instance, which holds a single sample. It is
+ * part of the sound facade.
  */
-class Sound {
-public:
-	/**
-	 * \brief Pause this sample
-	 *
-	 * Pauses this sound if it is playing, or does nothing if it is already paused. The playhead
-	 * position is saved, such that calling \c play() after this function makes the sound resume.
-	 */
-	void pause();
-	/**
-	 * \brief Play this sample
-	 *
-	 * Resume playback if this sound is paused, or start from the beginning of the sample.
-	 *
-	 * \note This class only saves a reference to the most recent 'voice' of this sound. Calling
-	 * \c play() while the sound is already playing causes multiple instances of the sample to
-	 * play simultaniously. The sample started last is the one that is controlled afterwards.
-	 */
-	void play();
-	/**
-	 * \brief Reset playhead position
-	 *
-	 * Resets the playhead position so that calling \c play() after this function makes it play
-	 * from the start of the sample. If the sound is not paused before calling this function,
-	 * this function will stop playback.
-	 */
-	void rewind();
-	/**
-	 * \brief Set playback volume / gain
-	 *
-	 * \param volume  Volume (0 = muted, 1 = full volume)
-	 */
-	void set_volume(float volume);
-	/**
-	 * \brief Get playback volume / gain
-	 *
-	 * \return Volume
-	 */
-	float get_volume() const { return this->volume; }
-	/**
-	 * \brief Set looping behavior for this sample
-	 *
-	 * \param looping  Looping behavior (false = one-shot, true = loop)
-	 */
-	void set_looping(bool looping);
-	/**
-	 * \brief Get looping behavior
-	 *
-	 * \return true if looping, false if one-shot
-	 */
-	bool get_looping() const { return this->looping; }
-
+class Sound : public Resource {
 public:
-	Sound(const char * src);
-	Sound(std::unique_ptr<Asset> res);
-
-private:
-	void load(std::unique_ptr<Asset> res);
+	Sound(const Asset & src, Mediator & mediator);
+	~Sound(); // dbg_trace
 
 private:
+	//! Deserialized resource (soloud)
 	SoLoud::Wav sample;
-	SoLoud::handle handle;
-
-	float volume = 1.0f;
-	bool looping = false;
+	//! SoundContext uses \c sample
+	friend class SoundContext;
 };
 
 } // namespace crepe
diff --git a/src/crepe/facade/SoundContext.cpp b/src/crepe/facade/SoundContext.cpp
index deb2b62..b1f8cb3 100644
--- a/src/crepe/facade/SoundContext.cpp
+++ b/src/crepe/facade/SoundContext.cpp
@@ -4,17 +4,33 @@
 
 using namespace crepe;
 
-SoundContext & SoundContext::get_instance() {
-	static SoundContext instance;
-	return instance;
-}
-
 SoundContext::SoundContext() {
 	dbg_trace();
-	engine.init();
+	this->engine.init();
+	this->engine.setMaxActiveVoiceCount(this->config.audio.voices);
 }
 
 SoundContext::~SoundContext() {
 	dbg_trace();
-	engine.deinit();
+	this->engine.deinit();
+}
+
+SoundHandle SoundContext::play(Sound & resource) {
+	SoLoud::handle real_handle = this->engine.play(resource.sample, 1.0f);
+	SoundHandle handle = this->next_handle;
+	this->registry[handle] = real_handle;
+	this->next_handle++;
+	return handle;
+}
+
+void SoundContext::stop(const SoundHandle & handle) {
+	this->engine.stop(this->registry[handle]);
+}
+
+void SoundContext::set_volume(const SoundHandle & handle, float volume) {
+	this->engine.setVolume(this->registry[handle], volume);
+}
+
+void SoundContext::set_loop(const SoundHandle & handle, bool loop) {
+	this->engine.setLooping(this->registry[handle], loop);
 }
diff --git a/src/crepe/facade/SoundContext.h b/src/crepe/facade/SoundContext.h
index d703c16..d986c59 100644
--- a/src/crepe/facade/SoundContext.h
+++ b/src/crepe/facade/SoundContext.h
@@ -2,30 +2,80 @@
 
 #include <soloud/soloud.h>
 
+#include "../api/Config.h"
+
 #include "Sound.h"
+#include "SoundHandle.h"
 
 namespace crepe {
 
 /**
  * \brief Sound engine facade
  *
- * This class is a wrapper around a \c SoLoud::Soloud instance, which provides
- * the methods for playing \c Sound instances. It is part of the sound facade.
+ * This class is a wrapper around a \c SoLoud::Soloud instance, which provides the methods for
+ * playing \c Sound instances. It is part of the sound facade.
  */
 class SoundContext {
-private:
-	// singleton
+public:
 	SoundContext();
 	virtual ~SoundContext();
+
 	SoundContext(const SoundContext &) = delete;
 	SoundContext(SoundContext &&) = delete;
 	SoundContext & operator=(const SoundContext &) = delete;
 	SoundContext & operator=(SoundContext &&) = delete;
 
+	/**
+	 * \brief Play a sample
+	 *
+	 * Plays a Sound from the beginning of the sample and returns a handle to control it later.
+	 *
+	 * \param resource Sound instance to play
+	 *
+	 * \returns Handle to control this voice
+	 */
+	virtual SoundHandle play(Sound & resource);
+	/**
+	 * \brief Stop a voice immediately if it is still playing
+	 *
+	 * \note This function does nothing if the handle is invalid or if the sound is already
+	 * stopped / finished playing.
+	 *
+	 * \param handle Voice handle returned by SoundContext::play
+	 */
+	virtual void stop(const SoundHandle & handle);
+	/**
+	 * \brief Change the volume of a voice
+	 *
+	 * \note This function does nothing if the handle is invalid or if the sound is already
+	 * stopped / finished playing.
+	 *
+	 * \param handle Voice handle returned by SoundContext::play
+	 * \param volume New gain value (0=silent, 1=default)
+	 */
+	virtual void set_volume(const SoundHandle & handle, float volume);
+	/**
+	 * \brief Set the looping behavior of a voice
+	 *
+	 * \note This function does nothing if the handle is invalid or if the sound is already
+	 * stopped / finished playing.
+	 *
+	 * \param handle Voice handle returned by SoundContext::play
+	 * \param loop Looping behavior (false=oneshot, true=loop)
+	 */
+	virtual void set_loop(const SoundHandle & handle, bool loop);
+
 private:
-	static SoundContext & get_instance();
+	//! Abstracted class
 	SoLoud::Soloud engine;
-	friend class Sound;
+
+	//! Config reference
+	Config & config = Config::get_instance();
+
+	//! Sound handle registry
+	std::unordered_map<SoundHandle, SoLoud::handle> registry;
+	//! Unique handle counter
+	SoundHandle next_handle = 0;
 };
 
 } // namespace crepe
diff --git a/src/crepe/facade/SoundHandle.h b/src/crepe/facade/SoundHandle.h
new file mode 100644
index 0000000..b7925fc
--- /dev/null
+++ b/src/crepe/facade/SoundHandle.h
@@ -0,0 +1,12 @@
+#pragma once
+
+#include <cstddef>
+
+namespace crepe {
+
+/**
+ * \brief Voice handle returned by
+ */
+typedef size_t SoundHandle;
+
+} // namespace crepe
diff --git a/src/crepe/facade/Texture.cpp b/src/crepe/facade/Texture.cpp
new file mode 100644
index 0000000..b63403d
--- /dev/null
+++ b/src/crepe/facade/Texture.cpp
@@ -0,0 +1,28 @@
+#include "../util/Log.h"
+#include "facade/SDLContext.h"
+#include "manager/Mediator.h"
+
+#include "Resource.h"
+#include "Texture.h"
+#include "types.h"
+
+using namespace crepe;
+using namespace std;
+
+Texture::Texture(const Asset & src, Mediator & mediator) : Resource(src, mediator) {
+	dbg_trace();
+	SDLContext & ctx = mediator.sdl_context;
+	this->texture = ctx.texture_from_path(src.get_path());
+	this->size = ctx.get_size(*this);
+	this->aspect_ratio = static_cast<float>(this->size.x) / this->size.y;
+}
+
+Texture::~Texture() {
+	dbg_trace();
+	this->texture.reset();
+}
+
+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(); }
diff --git a/src/crepe/facade/Texture.h b/src/crepe/facade/Texture.h
new file mode 100644
index 0000000..cdacac4
--- /dev/null
+++ b/src/crepe/facade/Texture.h
@@ -0,0 +1,69 @@
+#pragma once
+
+#include <SDL2/SDL_render.h>
+#include <memory>
+
+#include "../Resource.h"
+
+#include "types.h"
+
+namespace crepe {
+
+class Mediator;
+class Asset;
+
+/**
+ * \class Texture
+ * \brief Manages texture loading and properties.
+ *
+ * The Texture class is responsible for loading an image from a source and providing access to
+ * its dimensions. Textures can be used for rendering.
+ */
+class Texture : public Resource {
+
+public:
+	/**
+	 * \brief Constructs a Texture from an Asset resource.
+	 * \param src Asset with texture data to load.
+	 * \param mediator use the SDLContext reference to load the image
+	 */
+	Texture(const Asset & src, Mediator & mediator);
+
+	/**
+	 * \brief Destroys the Texture instance
+	 */
+	~Texture();
+
+	/**
+	 * \brief get width and height of image in pixels
+	 * \return pixel size width and height
+	 *
+	 */
+	const ivec2 & get_size() const noexcept;
+
+	/**
+	 * \brief aspect_ratio of image
+	 * \return ratio
+	 *
+	 */
+	const float & get_ratio() const noexcept;
+
+	/**
+	 * \brief get the image texture
+	 * \return SDL_Texture
+	 *
+	 */
+	SDL_Texture * get_img() const noexcept;
+
+private:
+	//! The texture of the class from the library
+	std::unique_ptr<SDL_Texture, std::function<void(SDL_Texture *)>> texture;
+
+	// texture size in pixel
+	ivec2 size;
+
+	//! ratio of image
+	float aspect_ratio;
+};
+
+} // namespace crepe