mege with master

25 files changed, 305 insertions, 232 deletions

diff --git a/src/crepe/Resource.cpp b/src/crepe/Resource.cpp
index 27b4c4b..85913ed 100644
--- a/src/crepe/Resource.cpp
+++ b/src/crepe/Resource.cpp
@@ -1,5 +1,6 @@
 #include "Resource.h"
+#include "manager/Mediator.h"
 
 using namespace crepe;
 
-Resource::Resource(const Asset & asset) {}
+Resource::Resource(const Asset & asset, Mediator & mediator) {}
diff --git a/src/crepe/Resource.h b/src/crepe/Resource.h
index eceb15b..d65206b 100644
--- a/src/crepe/Resource.h
+++ b/src/crepe/Resource.h
@@ -4,6 +4,7 @@ namespace crepe {
 
 class ResourceManager;
 class Asset;
+class Mediator;
 
 /**
  * \brief Resource interface
@@ -17,7 +18,7 @@ class Asset;
  */
 class Resource {
 public:
-	Resource(const Asset & src);
+	Resource(const Asset & src, Mediator & mediator);
 	virtual ~Resource() = default;
 
 	Resource(const Resource &) = delete;
diff --git a/src/crepe/api/Animator.cpp b/src/crepe/api/Animator.cpp
index b8a91dc..4ce4bf0 100644
--- a/src/crepe/api/Animator.cpp
+++ b/src/crepe/api/Animator.cpp
@@ -7,23 +7,21 @@
 
 using namespace crepe;
 
-Animator::Animator(game_object_id_t id, Sprite & spritesheet, unsigned int max_row,
-				   unsigned int max_col, const Animator::Data & data)
+Animator::Animator(game_object_id_t id, Sprite & spritesheet, const ivec2 & single_frame_size,
+				   const uvec2 & grid_size, const Animator::Data & data)
 	: Component(id),
 	  spritesheet(spritesheet),
-	  max_rows(max_row),
-	  max_columns(max_col),
+	  grid_size(grid_size),
 	  data(data) {
 	dbg_trace();
 
-	this->spritesheet.mask.h /= this->max_columns;
-	this->spritesheet.mask.w /= this->max_rows;
-	this->spritesheet.mask.x = this->data.row * this->spritesheet.mask.w;
-	this->spritesheet.mask.y = this->data.col * this->spritesheet.mask.h;
+	this->spritesheet.mask.w = single_frame_size.x;
+	this->spritesheet.mask.h = single_frame_size.y;
+	this->spritesheet.mask.x = 0;
+	this->spritesheet.mask.y = 0;
 
-	// need to do this for to get the aspect ratio for a single clipping in the spritesheet
 	this->spritesheet.aspect_ratio
-		= static_cast<double>(this->spritesheet.mask.w) / this->spritesheet.mask.h;
+		= static_cast<float>(single_frame_size.x) / single_frame_size.y;
 }
 
 Animator::~Animator() { dbg_trace(); }
@@ -54,6 +52,6 @@ void Animator::set_anim(int col) {
 
 void Animator::next_anim() {
 	Animator::Data & ctx = this->data;
-	ctx.row = ctx.row++ % this->max_rows;
+	ctx.row = ctx.row++ % this->grid_size.x;
 	this->spritesheet.mask.x = ctx.row * this->spritesheet.mask.w;
 }
diff --git a/src/crepe/api/Animator.h b/src/crepe/api/Animator.h
index 7c850b8..5918800 100644
--- a/src/crepe/api/Animator.h
+++ b/src/crepe/api/Animator.h
@@ -75,27 +75,28 @@ public:
 	 *
 	 * \param id The unique identifier for the component, typically assigned automatically.
 	 * \param spritesheet the reference to the spritesheet
-	 * \param max_row maximum of rows inside the given spritesheet
-	 * \param max_col maximum of columns inside the given spritesheet
+	 * \param single_frame_size the width and height in pixels of a single frame inside the
+	 * spritesheet
+	 * \param grid_size the max rows and columns inside the given spritesheet
 	 * \param data extra animation data for more control
 	 *
 	 * This constructor sets up the Animator with the given parameters, and initializes the
 	 * animation system.
 	 */
-	Animator(game_object_id_t id, Sprite & spritesheet, unsigned int max_row,
-			 unsigned int max_col, const Animator::Data & data);
+	Animator(game_object_id_t id, Sprite & spritesheet, const ivec2 & single_frame_size,
+			 const uvec2 & grid_size, const Animator::Data & data);
 	~Animator(); // dbg_trace
 
 public:
-	//! The maximum number of columns in the sprite sheet.
-	const unsigned int max_columns;
-	//! The maximum number of rows in the sprite sheet.
-	const unsigned int max_rows;
 	Animator::Data data;
 
 private:
 	//! A reference to the Sprite sheet containing.
 	Sprite & spritesheet;
+
+	//! The maximum number of rows and columns inside the spritesheet
+	const uvec2 grid_size;
+
 	//! Uses the spritesheet
 	friend AnimatorSystem;
 };
diff --git a/src/crepe/api/CMakeLists.txt b/src/crepe/api/CMakeLists.txt
index 35161e4..fb11c8d 100644
--- a/src/crepe/api/CMakeLists.txt
+++ b/src/crepe/api/CMakeLists.txt
@@ -6,7 +6,6 @@ target_sources(crepe PUBLIC
 	ParticleEmitter.cpp
 	Transform.cpp
 	Color.cpp
-	Texture.cpp
 	Sprite.cpp
 	Config.cpp
 	Metadata.cpp
@@ -36,7 +35,6 @@ target_sources(crepe PUBLIC FILE_SET HEADERS FILES
 	Vector2.h
 	Vector2.hpp
 	Color.h
-	Texture.h
 	Scene.h
 	Metadata.h
 	Camera.h
diff --git a/src/crepe/api/LoopManager.h b/src/crepe/api/LoopManager.h
index 487f07a..50d91d2 100644
--- a/src/crepe/api/LoopManager.h
+++ b/src/crepe/api/LoopManager.h
@@ -12,7 +12,7 @@
 #include "../manager/SceneManager.h"
 #include "../system/System.h"
 
-#include "api/Event.h"
+#include "LoopTimer.h"
 
 namespace crepe {
 /**
@@ -86,9 +86,8 @@ private:
 	ResourceManager resource_manager{mediator};
 	//! Save manager instance
 	SaveManager save_manager{mediator};
-
-	//! SDL context \todo no more singletons!
-	SDLContext & sdl_context = SDLContext::get_instance();
+	//! SDLContext instance
+	SDLContext sdl_context{mediator};
 
 private:
 	/**
diff --git a/src/crepe/api/LoopTimer.cpp b/src/crepe/api/LoopTimer.cpp
new file mode 100644
index 0000000..56e48d3
--- /dev/null
+++ b/src/crepe/api/LoopTimer.cpp
@@ -0,0 +1,79 @@
+#include <chrono>
+
+#include "../util/Log.h"
+#include "facade/SDLContext.h"
+#include "manager/Manager.h"
+
+#include "LoopTimer.h"
+
+using namespace crepe;
+
+LoopTimer::LoopTimer(Mediator & mediator) : Manager(mediator) {
+	dbg_trace();
+	mediator.timer = *this;
+}
+
+void LoopTimer::start() {
+	this->last_frame_time = std::chrono::steady_clock::now();
+	this->elapsed_time = std::chrono::milliseconds(0);
+	this->elapsed_fixed_time = std::chrono::milliseconds(0);
+	this->delta_time = std::chrono::milliseconds(0);
+}
+
+void LoopTimer::update() {
+	auto current_frame_time = std::chrono::steady_clock::now();
+	// Convert to duration in seconds for delta time
+	this->delta_time = std::chrono::duration_cast<std::chrono::duration<double>>(
+		current_frame_time - last_frame_time);
+
+	if (this->delta_time > this->maximum_delta_time) {
+		this->delta_time = this->maximum_delta_time;
+	}
+
+	this->delta_time *= this->game_scale;
+	this->elapsed_time += this->delta_time;
+	this->last_frame_time = current_frame_time;
+}
+
+double LoopTimer::get_delta_time() const { return this->delta_time.count(); }
+
+double LoopTimer::get_current_time() const { return this->elapsed_time.count(); }
+
+void LoopTimer::advance_fixed_update() { this->elapsed_fixed_time += this->fixed_delta_time; }
+
+double LoopTimer::get_fixed_delta_time() const { return this->fixed_delta_time.count(); }
+
+void LoopTimer::set_fps(int fps) {
+	this->fps = fps;
+	// target time per frame in seconds
+	this->frame_target_time = std::chrono::duration<double>(1.0) / fps;
+}
+
+int LoopTimer::get_fps() const { return this->fps; }
+
+void LoopTimer::set_game_scale(double value) { this->game_scale = value; }
+
+double LoopTimer::get_game_scale() const { return this->game_scale; }
+void LoopTimer::enforce_frame_rate() {
+	std::chrono::steady_clock::time_point current_frame_time
+		= std::chrono::steady_clock::now();
+	std::chrono::milliseconds frame_duration
+		= std::chrono::duration_cast<std::chrono::milliseconds>(current_frame_time
+																- this->last_frame_time);
+
+	if (frame_duration < this->frame_target_time) {
+		std::chrono::milliseconds delay_time
+			= std::chrono::duration_cast<std::chrono::milliseconds>(this->frame_target_time
+																	- frame_duration);
+		if (delay_time.count() > 0) {
+			SDLContext & ctx = this->mediator.sdl_context;
+			ctx.delay(delay_time.count());
+		}
+	}
+
+	this->last_frame_time = current_frame_time;
+}
+
+double LoopTimer::get_lag() const {
+	return (this->elapsed_time - this->elapsed_fixed_time).count();
+}
diff --git a/src/crepe/api/Sprite.cpp b/src/crepe/api/Sprite.cpp
index cc0e20a..ba684ba 100644
--- a/src/crepe/api/Sprite.cpp
+++ b/src/crepe/api/Sprite.cpp
@@ -1,26 +1,21 @@
 #include <cmath>
-#include <utility>
 
 #include "../util/Log.h"
+#include "api/Asset.h"
 
 #include "Component.h"
 #include "Sprite.h"
-#include "Texture.h"
 #include "types.h"
 
 using namespace std;
 using namespace crepe;
 
-Sprite::Sprite(game_object_id_t id, Texture & texture, const Sprite::Data & data)
+Sprite::Sprite(game_object_id_t id, const Asset & texture, const Sprite::Data & data)
 	: Component(id),
-	  texture(std::move(texture)),
+	  source(texture),
 	  data(data) {
 
 	dbg_trace();
-
-	this->mask.w = this->texture.get_size().x;
-	this->mask.h = this->texture.get_size().y;
-	this->aspect_ratio = static_cast<double>(this->mask.w) / this->mask.h;
 }
 
 Sprite::~Sprite() { dbg_trace(); }
diff --git a/src/crepe/api/Sprite.h b/src/crepe/api/Sprite.h
index dbf41e4..a2409c2 100644
--- a/src/crepe/api/Sprite.h
+++ b/src/crepe/api/Sprite.h
@@ -1,9 +1,9 @@
 #pragma once
 
 #include "../Component.h"
+#include "api/Asset.h"
 
 #include "Color.h"
-#include "Texture.h"
 #include "types.h"
 
 namespace crepe {
@@ -74,24 +74,15 @@ public:
 	 * \param texture asset of the image
 	 * \param ctx all the sprite data
 	 */
-	Sprite(game_object_id_t id, Texture & texture, const Data & data);
+	Sprite(game_object_id_t id, const Asset & texture, const Data & data);
 	~Sprite();
 
 	//! Texture used for the sprite
-	const Texture texture;
+	const Asset source;
 
 	Data data;
 
 private:
-	/**
-	 * \brief ratio of the img
-	 *
-	 * - This will multiply one of \c size variable if it is 0.
-	 * - Will be adjusted if \c Animator component is added to an GameObject that is why this
-	 *   value cannot be const.
-	 */
-	float aspect_ratio;
-
 	//! Reads the mask of sprite
 	friend class SDLContext;
 
@@ -101,6 +92,14 @@ private:
 	//! Reads the all the variables plus the  mask
 	friend class AnimatorSystem;
 
+	/**
+	 * \aspect_ratio the ratio of the sprite image
+	 *
+	 * - this value will only be set by the \c Animator component for the ratio of the Animation
+	 * - if \c Animator component is not added it will not use this ratio (because 0) and will use aspect_ratio of the Asset.
+	 */
+	float aspect_ratio = 0;
+
 	struct Rect {
 		int w = 0;
 		int h = 0;
diff --git a/src/crepe/api/Texture.cpp b/src/crepe/api/Texture.cpp
deleted file mode 100644
index 2b56271..0000000
--- a/src/crepe/api/Texture.cpp
+++ /dev/null
@@ -1,38 +0,0 @@
-#include "../facade/SDLContext.h"
-#include "../util/Log.h"
-
-#include "Asset.h"
-#include "Texture.h"
-#include "types.h"
-
-using namespace crepe;
-using namespace std;
-
-Texture::Texture(const Asset & src) {
-	dbg_trace();
-	this->load(src);
-}
-
-Texture::~Texture() {
-	dbg_trace();
-	this->texture.reset();
-}
-
-Texture::Texture(Texture && other) noexcept : texture(std::move(other.texture)) {}
-
-Texture & Texture::operator=(Texture && other) noexcept {
-	if (this != &other) {
-		texture = std::move(other.texture);
-	}
-	return *this;
-}
-
-void Texture::load(const Asset & res) {
-	SDLContext & ctx = SDLContext::get_instance();
-	this->texture = ctx.texture_from_path(res.get_path());
-}
-
-ivec2 Texture::get_size() const {
-	if (this->texture == nullptr) return {};
-	return SDLContext::get_instance().get_size(*this);
-}
diff --git a/src/crepe/api/Texture.h b/src/crepe/api/Texture.h
deleted file mode 100644
index 1817910..0000000
--- a/src/crepe/api/Texture.h
+++ /dev/null
@@ -1,69 +0,0 @@
-#pragma once
-
-// FIXME: this header can't be included because this is an API header, and SDL2 development
-// headers won't be bundled with crepe. Why is this facade in the API namespace?
-
-#include <SDL2/SDL_render.h>
-#include <functional>
-#include <memory>
-
-#include "Asset.h"
-#include "types.h"
-
-namespace crepe {
-
-class SDLContext;
-class Animator;
-
-/**
- * \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:
-	/**
-	 * \brief Constructs a Texture from an Asset resource.
-	 * \param src Asset with texture data to load.
-	 */
-	Texture(const Asset & src);
-
-	/**
-	 * \brief Destroys the Texture instance, freeing associated resources.
-	 */
-	~Texture();
-	// FIXME: this constructor shouldn't be necessary because this class doesn't manage memory
-
-	Texture(Texture && other) noexcept;
-	Texture & operator=(Texture && other) noexcept;
-	Texture(const Texture &) = delete;
-	Texture & operator=(const Texture &) = delete;
-
-	/**
-	 * \brief Gets the width and height of the texture.
-	 * \return Width and height of the texture in pixels.
-	 */
-	ivec2 get_size() const;
-
-private:
-	/**
-	 * \brief Loads the texture from an Asset resource.
-	 * \param res Unique pointer to an Asset resource to load the texture from.
-	 */
-	void load(const Asset & res);
-
-private:
-	//! The texture of the class from the library
-	std::unique_ptr<SDL_Texture, std::function<void(SDL_Texture *)>> texture;
-
-	//! Grants SDLContext access to private members.
-	friend class SDLContext;
-
-	//! Grants Animator access to private members.
-	friend class Animator;
-};
-
-} // namespace crepe
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 abdfed0..d71a9c8 100644
--- a/src/crepe/facade/SDLContext.cpp
+++ b/src/crepe/facade/SDLContext.cpp
@@ -18,23 +18,18 @@
 #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 +57,8 @@ SDLContext::SDLContext() {
 	if (!(IMG_Init(img_flags) & img_flags)) {
 		throw runtime_error("SDLContext: SDL_image could not initialize!");
 	}
+
+	mediator.sdl_context = *this;
 }
 
 SDLContext::~SDLContext() {
@@ -221,25 +218,19 @@ 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;
 	}
 
 	const CameraValues & cam = ctx.cam;
@@ -260,15 +251,24 @@ 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,
+		.texture = ctx.texture,
 		.cam = ctx.cam,
 		.pos = ctx.pos,
 		.img_scale = ctx.scale,
@@ -276,9 +276,9 @@ void SDLContext::draw(const RenderContext & ctx) {
 
 	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) {
@@ -366,7 +366,7 @@ 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;
 }
 
@@ -431,6 +431,6 @@ std::vector<SDLContext::EventData> SDLContext::get_events() {
 	return event_list;
 }
 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 31646a6..46b779f 100644
--- a/src/crepe/facade/SDLContext.h
+++ b/src/crepe/facade/SDLContext.h
@@ -14,14 +14,15 @@
 #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
@@ -62,6 +63,7 @@ public:
 	//! rendering data needed to render on screen
 	struct RenderContext {
 		const Sprite & sprite;
+		const Texture & texture;
 		const CameraValues & cam;
 		const vec2 & pos;
 		const double & angle;
@@ -92,20 +94,27 @@ public:
 		float scroll_delta = INFINITY;
 		ivec2 rel_mouse_move = {-1, -1};
 	};
-	/**
-	 * \brief Gets the singleton instance of SDLContext.
-	 * \return Reference to the SDLContext instance.
-	 */
-	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.
 	 *
@@ -139,23 +148,23 @@ private:
 	 */
 	MouseButton sdl_to_mousebutton(Uint8 sdl_button);
 
-private:
+public:
 	/**
-	 * \brief Constructs an SDLContext instance.
-	 * Initializes SDL, creates a window and renderer.
+	 * \brief Gets the current SDL ticks since the program started.
+	 * \return Current ticks in milliseconds as a constant uint64_t.
 	 */
-	SDLContext();
-
+	uint64_t get_ticks() const;
 	/**
-	 * \brief Destroys the SDLContext instance.
-	 * Cleans up SDL resources, including the window and renderer.
+	 * \brief Pauses the execution for a specified duration.
+	 *
+	 * This function uses SDL's delay function to halt the program execution for a given number
+	 * of milliseconds, allowing for frame rate control or other timing-related functionality.
+	 *
+	 * \param ms Duration of the delay in milliseconds.
 	 */
-	~SDLContext();
-
-private:
-	//! Will use the funtions: texture_from_path, get_width,get_height.
-	friend class Texture;
+	void delay(int ms) const;
 
+public:
 	/**
 	 * \brief Loads a texture from a file path.
 	 * \param path Path to the image file.
@@ -166,14 +175,11 @@ 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
@@ -189,33 +195,24 @@ private:
 	/**
 	 * \brief sets the background of the camera (will be adjusted in future PR)
 	 * \param camera Reference to the Camera object.
+	 * \return camera data the component cannot store
 	 */
 	CameraValues set_camera(const Camera & camera);
 
-private:
+public:
 	//! the data needed to construct a sdl dst rectangle
 	struct DestinationRectangleData {
 		const Sprite & sprite;
+		const Texture & texture;
 		const CameraValues & cam;
 		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;
diff --git a/src/crepe/facade/Sound.cpp b/src/crepe/facade/Sound.cpp
index ad50637..97e455e 100644
--- a/src/crepe/facade/Sound.cpp
+++ b/src/crepe/facade/Sound.cpp
@@ -6,7 +6,7 @@
 using namespace crepe;
 using namespace std;
 
-Sound::Sound(const Asset & src) : Resource(src) {
+Sound::Sound(const Asset & src, Mediator & mediator) : Resource(src, mediator) {
 	this->sample.load(src.get_path().c_str());
 	dbg_trace();
 }
diff --git a/src/crepe/facade/Sound.h b/src/crepe/facade/Sound.h
index 85d141b..4a5d692 100644
--- a/src/crepe/facade/Sound.h
+++ b/src/crepe/facade/Sound.h
@@ -8,6 +8,7 @@
 namespace crepe {
 
 class SoundContext;
+class Mediator;
 
 /**
  * \brief Sound resource facade
@@ -17,7 +18,7 @@ class SoundContext;
  */
 class Sound : public Resource {
 public:
-	Sound(const Asset & src);
+	Sound(const Asset & src, Mediator & mediator);
 	~Sound(); // dbg_trace
 
 private:
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
diff --git a/src/crepe/manager/Mediator.h b/src/crepe/manager/Mediator.h
index b529f2c..a055bb9 100644
--- a/src/crepe/manager/Mediator.h
+++ b/src/crepe/manager/Mediator.h
@@ -2,9 +2,6 @@
 
 #include "../util/OptionalRef.h"
 
-// TODO: remove these singletons:
-#include "../facade/SDLContext.h"
-
 namespace crepe {
 
 class ComponentManager;
@@ -13,6 +10,8 @@ class EventManager;
 class LoopTimerManager;
 class SaveManager;
 class ResourceManager;
+class SDLContext;
+class LoopTimer;
 
 /**
  * Struct to pass references to classes that would otherwise need to be singletons down to
@@ -27,13 +26,13 @@ class ResourceManager;
  * \warning This class should never be directly accessible from the API
  */
 struct Mediator {
+	OptionalRef<SDLContext> sdl_context;
 	OptionalRef<ComponentManager> component_manager;
 	OptionalRef<SceneManager> scene_manager;
 	OptionalRef<EventManager> event_manager;
 	OptionalRef<LoopTimerManager> loop_timer;
 	OptionalRef<SaveManager> save_manager;
 	OptionalRef<ResourceManager> resource_manager;
-	OptionalRef<SDLContext> sdl_context = SDLContext::get_instance();
 };
 
 } // namespace crepe
diff --git a/src/crepe/manager/ResourceManager.cpp b/src/crepe/manager/ResourceManager.cpp
index 7c01808..a141a46 100644
--- a/src/crepe/manager/ResourceManager.cpp
+++ b/src/crepe/manager/ResourceManager.cpp
@@ -6,8 +6,8 @@ using namespace crepe;
 using namespace std;
 
 ResourceManager::ResourceManager(Mediator & mediator) : Manager(mediator) {
-	mediator.resource_manager = *this;
 	dbg_trace();
+	mediator.resource_manager = *this;
 }
 ResourceManager::~ResourceManager() { dbg_trace(); }
 
diff --git a/src/crepe/manager/ResourceManager.hpp b/src/crepe/manager/ResourceManager.hpp
index 5167d71..cf5c949 100644
--- a/src/crepe/manager/ResourceManager.hpp
+++ b/src/crepe/manager/ResourceManager.hpp
@@ -13,7 +13,7 @@ T & ResourceManager::get(const Asset & asset) {
 				  "cache must recieve a derivative class of Resource");
 
 	CacheEntry & entry = this->get_entry(asset);
-	if (entry.resource == nullptr) entry.resource = make_unique<T>(asset);
+	if (entry.resource == nullptr) entry.resource = make_unique<T>(asset, this->mediator);
 
 	T * concrete_resource = dynamic_cast<T *>(entry.resource.get());
 	if (concrete_resource == nullptr)
diff --git a/src/crepe/system/AISystem.cpp b/src/crepe/system/AISystem.cpp
index ed22203..d231c7c 100644
--- a/src/crepe/system/AISystem.cpp
+++ b/src/crepe/system/AISystem.cpp
@@ -13,6 +13,7 @@ using namespace std::chrono;
 void AISystem::update() {
 	const Mediator & mediator = this->mediator;
 	ComponentManager & mgr = mediator.component_manager;
+	LoopTimerManager & timer = mediator.loop_timer;
 	RefVector<AI> ai_components = mgr.get_components_by_type<AI>();
 	LoopTimerManager & loop_timer = mediator.loop_timer;
 
diff --git a/src/crepe/system/AnimatorSystem.cpp b/src/crepe/system/AnimatorSystem.cpp
index 690b45b..31eb85c 100644
--- a/src/crepe/system/AnimatorSystem.cpp
+++ b/src/crepe/system/AnimatorSystem.cpp
@@ -23,7 +23,7 @@ void AnimatorSystem::update() {
 
 		int last_frame = ctx.row;
 
-		int cycle_end = (ctx.cycle_end == -1) ? a.max_rows : ctx.cycle_end;
+		int cycle_end = (ctx.cycle_end == -1) ? a.grid_size.x : ctx.cycle_end;
 		int total_frames = cycle_end - ctx.cycle_start;
 
 		int curr_frame = static_cast<int>(elapsed_time / frame_duration) % total_frames;
diff --git a/src/crepe/system/InputSystem.cpp b/src/crepe/system/InputSystem.cpp
index aaa8bdf..a710ae2 100644
--- a/src/crepe/system/InputSystem.cpp
+++ b/src/crepe/system/InputSystem.cpp
@@ -1,6 +1,8 @@
 #include "../api/Button.h"
 #include "../manager/ComponentManager.h"
 #include "../manager/EventManager.h"
+#include "facade/SDLContext.h"
+#include "util/Log.h"
 
 #include "InputSystem.h"
 
@@ -9,7 +11,8 @@ using namespace crepe;
 void InputSystem::update() {
 	ComponentManager & mgr = this->mediator.component_manager;
 	EventManager & event_mgr = this->mediator.event_manager;
-	std::vector<SDLContext::EventData> event_list = SDLContext::get_instance().get_events();
+	SDLContext & context = this->mediator.sdl_context;
+	std::vector<SDLContext::EventData> event_list = context.get_events();
 	RefVector<Button> buttons = mgr.get_components_by_type<Button>();
 	RefVector<Camera> cameras = mgr.get_components_by_type<Camera>();
 	OptionalRef<Camera> curr_cam_ref;
diff --git a/src/crepe/system/RenderSystem.cpp b/src/crepe/system/RenderSystem.cpp
index 26f2c85..51340fb 100644
--- a/src/crepe/system/RenderSystem.cpp
+++ b/src/crepe/system/RenderSystem.cpp
@@ -10,7 +10,9 @@
 #include "../api/Sprite.h"
 #include "../api/Transform.h"
 #include "../facade/SDLContext.h"
+#include "../facade/Texture.h"
 #include "../manager/ComponentManager.h"
+#include "../manager/ResourceManager.h"
 
 #include "RenderSystem.h"
 
@@ -72,6 +74,8 @@ bool RenderSystem::render_particle(const Sprite & sprite, const SDLContext::Came
 
 	ComponentManager & mgr = this->mediator.component_manager;
 	SDLContext & ctx = this->mediator.sdl_context;
+	ResourceManager & resource_manager = this->mediator.resource_manager;
+	Texture & res = resource_manager.get<Texture>(sprite.source);
 
 	vector<reference_wrapper<ParticleEmitter>> emitters
 		= mgr.get_components_by_id<ParticleEmitter>(sprite.game_object_id);
@@ -88,6 +92,7 @@ bool RenderSystem::render_particle(const Sprite & sprite, const SDLContext::Came
 
 			ctx.draw(SDLContext::RenderContext{
 				.sprite = sprite,
+				.texture = res,
 				.cam = cam,
 				.pos = p.position,
 				.angle = p.angle,
@@ -100,8 +105,12 @@ bool RenderSystem::render_particle(const Sprite & sprite, const SDLContext::Came
 void RenderSystem::render_normal(const Sprite & sprite, const SDLContext::CameraValues & cam,
 								 const Transform & tm) {
 	SDLContext & ctx = this->mediator.sdl_context;
+	ResourceManager & resource_manager = this->mediator.resource_manager;
+	const Texture & res = resource_manager.get<Texture>(sprite.source);
+
 	ctx.draw(SDLContext::RenderContext{
 		.sprite = sprite,
+		.texture = res,
 		.cam = cam,
 		.pos = tm.position,
 		.angle = tm.rotation,