12 files changed, 320 insertions, 29 deletions

diff --git a/src/crepe/api/Animator.cpp b/src/crepe/api/Animator.cpp
new file mode 100644
index 0000000..8b396af
--- /dev/null
+++ b/src/crepe/api/Animator.cpp
@@ -0,0 +1,23 @@
+
+#include <cstdint>
+
+#include "util/log.h"
+
+#include "Animator.h"
+#include "Component.h"
+#include "Sprite.h"
+
+using namespace crepe;
+
+Animator::Animator(uint32_t id, Sprite & ss, int row, int col, int col_animator)
+	: Component(id), spritesheet(ss), row(row), col(col) {
+	dbg_trace();
+
+	animator_rect = spritesheet.sprite_rect;
+	animator_rect.h /= col;
+	animator_rect.w /= row;
+	animator_rect.x = 0;
+	animator_rect.y = col_animator * animator_rect.h;
+	this->active = false;
+}
+Animator::~Animator() { dbg_trace(); }
diff --git a/src/crepe/api/Animator.h b/src/crepe/api/Animator.h
new file mode 100644
index 0000000..def0240
--- /dev/null
+++ b/src/crepe/api/Animator.h
@@ -0,0 +1,76 @@
+#pragma once
+
+#include <cstdint>
+
+#include "Component.h"
+#include "Sprite.h"
+
+namespace crepe {
+class AnimatorSystem;
+class SDLContext;
+
+/**
+ * \brief The Animator component is used to animate sprites by managing the movement
+ *        and frame changes within a sprite sheet.
+ *
+ * This component allows for controlling sprite animation through rows and columns of a sprite sheet.
+ * It can be used to play animations, loop them, or stop them.
+ */
+class Animator : public Component {
+
+public:
+	//TODO: need to implement this
+	void loop();
+	void stop();
+
+public:
+	/**
+	 * \brief Constructs an Animator object that will control animations for a sprite sheet.
+	 *
+	 * \param id The unique identifier for the component, typically assigned automatically.
+	 * \param spritesheet A reference to the Sprite object which holds the sprite sheet for animation.
+	 * \param row The maximum number of rows in the sprite sheet.
+	 * \param col The maximum number of columns in the sprite sheet.
+	 * \param col__animate The specific col index of the sprite sheet to animate. This allows selecting which col to animate from multiple col in the sheet.
+	 *
+	 * This constructor sets up the Animator with the given parameters, and initializes the animation system.
+	 */
+	Animator(uint32_t id, Sprite & spritesheet, int row, int col,
+			 int col_animate);
+
+	~Animator(); // dbg_trace
+	Animator(const Animator &) = delete;
+	Animator(Animator &&) = delete;
+	Animator & operator=(const Animator &) = delete;
+	Animator & operator=(Animator &&) = delete;
+
+private:
+	//! A reference to the Sprite sheet containing the animation frames.
+	Sprite & spritesheet;
+
+	//! The maximum number of columns in the sprite sheet.
+	const int col;
+
+	//! The maximum number of rows in the sprite sheet.
+	const int row;
+
+	//! The current col being animated.
+	int curr_col = 0;
+
+	//! The current row being animated.
+	int curr_row = 0;
+
+	Rect animator_rect;
+
+	//TODO: Is this necessary?
+	//int fps;
+
+private:
+	//! AnimatorSystem adjust the private member parameters of Animator;
+	friend class AnimatorSystem;
+
+	//! SDLContext reads the Animator member var's
+	friend class SDLContext;
+};
+} // namespace crepe
+//
diff --git a/src/crepe/api/CMakeLists.txt b/src/crepe/api/CMakeLists.txt
index 3b20142..87cbb09 100644
--- a/src/crepe/api/CMakeLists.txt
+++ b/src/crepe/api/CMakeLists.txt
@@ -16,6 +16,8 @@ target_sources(crepe PUBLIC
 	Scene.cpp
 	SceneManager.cpp
 	Vector2.cpp
+	Camera.cpp
+	Animator.cpp
 )
 
 target_sources(crepe PUBLIC FILE_SET HEADERS FILES
@@ -38,4 +40,6 @@ target_sources(crepe PUBLIC FILE_SET HEADERS FILES
 	Metadata.h
 	SceneManager.h
 	SceneManager.hpp
+	Camera.h
+	Animator.h
 )
diff --git a/src/crepe/api/Camera.cpp b/src/crepe/api/Camera.cpp
new file mode 100644
index 0000000..820a6a8
--- /dev/null
+++ b/src/crepe/api/Camera.cpp
@@ -0,0 +1,17 @@
+
+#include <cstdint>
+
+#include "util/log.h"
+
+#include "Camera.h"
+#include "Color.h"
+#include "Component.h"
+
+using namespace crepe;
+
+Camera::Camera(uint32_t id, const Color & bg_color)
+	: Component(id), bg_color(bg_color) {
+	dbg_trace();
+}
+
+Camera::~Camera() { dbg_trace(); }
diff --git a/src/crepe/api/Camera.h b/src/crepe/api/Camera.h
new file mode 100644
index 0000000..ba3a9ef
--- /dev/null
+++ b/src/crepe/api/Camera.h
@@ -0,0 +1,55 @@
+#pragma once
+
+#include <cstdint>
+
+#include "Color.h"
+#include "Component.h"
+
+namespace crepe {
+
+/**
+ * \class Camera
+ * \brief Represents a camera component for rendering in the game.
+ *
+ * The Camera class defines the view parameters, including background color, 
+ * aspect ratio, position, and zoom level. It controls what part of the game 
+ * world is visible on the screen.
+ */
+class Camera : public Component {
+
+public:
+	/**
+	 * \brief Constructs a Camera with the specified ID and background color.
+	 * \param id Unique identifier for the camera component.
+	 * \param bg_color Background color for the camera view.
+	 */
+	Camera(uint32_t id, const Color & bg_color);
+	~Camera(); // dbg_trace only
+
+public:
+	//! Background color of the camera view.
+	Color bg_color;
+
+	//! Aspect ratio height for the camera.
+	double aspect_height = 480;
+
+	//! Aspect ratio width for the camera.
+	double aspect_width = 640;
+
+	//! X-coordinate of the camera position.
+	double x = 0.0;
+
+	//! Y-coordinate of the camera position.
+	double y = 0.0;
+
+	//! Zoom level of the camera view.
+	double zoom = 1.0;
+
+public:
+	/**
+	 * \brief Gets the maximum number of camera instances allowed.
+	 * \return Maximum instance count as an integer.
+	 */
+	virtual int get_instances_max() const { return 10; }
+};
+} // namespace crepe
diff --git a/src/crepe/api/Color.cpp b/src/crepe/api/Color.cpp
index fc6313d..9e5f187 100644
--- a/src/crepe/api/Color.cpp
+++ b/src/crepe/api/Color.cpp
@@ -11,8 +11,7 @@ Color Color::cyan = Color(0, 255, 255, 0);
 Color Color::yellow = Color(255, 255, 0, 0);
 Color Color::magenta = Color(255, 0, 255, 0);
 
-// FIXME: do we really need double precision for color values?
-Color::Color(double red, double green, double blue, double alpha) {
+Color::Color(uint8_t red, uint8_t green, uint8_t blue, uint8_t alpha) {
 	this->a = alpha;
 	this->r = red;
 	this->g = green;
diff --git a/src/crepe/api/Color.h b/src/crepe/api/Color.h
index 6b54888..aa47bf4 100644
--- a/src/crepe/api/Color.h
+++ b/src/crepe/api/Color.h
@@ -1,14 +1,17 @@
 #pragma once
 
+#include <cstdint>
+
 namespace crepe {
 
+// TODO: make Color a struct w/o constructors/destructors
 class Color {
 
 	// FIXME: can't these colors be defined as a `static constexpr const Color`
 	// instead?
 
 public:
-	Color(double red, double green, double blue, double alpha);
+	Color(uint8_t red, uint8_t green, uint8_t blue, uint8_t alpha);
 	static const Color & get_white();
 	static const Color & get_red();
 	static const Color & get_green();
@@ -19,10 +22,11 @@ public:
 	static const Color & get_black();
 
 private:
-	double r;
-	double g;
-	double b;
-	double a;
+	// TODO: why are these private!?
+	uint8_t r;
+	uint8_t g;
+	uint8_t b;
+	uint8_t a;
 
 	static Color white;
 	static Color red;
@@ -32,6 +36,9 @@ private:
 	static Color magenta;
 	static Color yellow;
 	static Color black;
+
+private:
+	friend class SDLContext;
 };
 
 } // namespace crepe
diff --git a/src/crepe/api/Sprite.cpp b/src/crepe/api/Sprite.cpp
index d3465c7..f9cd761 100644
--- a/src/crepe/api/Sprite.cpp
+++ b/src/crepe/api/Sprite.cpp
@@ -1,7 +1,7 @@
-#include <cstdint>
 #include <memory>
 
 #include "../util/log.h"
+#include "facade/SDLContext.h"
 
 #include "Component.h"
 #include "Sprite.h"
@@ -10,10 +10,13 @@
 using namespace std;
 using namespace crepe;
 
-Sprite::Sprite(game_object_id_t id, shared_ptr<Texture> image,
+Sprite::Sprite(game_object_id_t id, const shared_ptr<Texture> image,
 			   const Color & color, const FlipSettings & flip)
 	: Component(id), color(color), flip(flip), sprite_image(image) {
 	dbg_trace();
+
+	this->sprite_rect.w = sprite_image->get_width();
+	this->sprite_rect.h = sprite_image->get_height();
 }
 
 Sprite::~Sprite() { dbg_trace(); }
diff --git a/src/crepe/api/Sprite.h b/src/crepe/api/Sprite.h
index 00dcb27..deb3f93 100644
--- a/src/crepe/api/Sprite.h
+++ b/src/crepe/api/Sprite.h
@@ -1,32 +1,88 @@
 #pragma once
 
-#include <SDL2/SDL_rect.h>
 #include <cstdint>
 #include <memory>
 
-#include "api/Color.h"
-#include "api/Texture.h"
-
+#include "Color.h"
 #include "Component.h"
+#include "Texture.h"
 
 namespace crepe {
 
+struct Rect {
+	int w = 0;
+	int h = 0;
+	int x = 0;
+	int y = 0;
+};
+
 struct FlipSettings {
-	bool flip_x = true;
-	bool flip_y = true;
+	bool flip_x = false;
+	bool flip_y = false;
 };
 
+class SDLContext;
+class Animator;
+class AnimatorSystem;
+
+/**
+ * \brief Represents a renderable sprite component.
+ *
+ * A renderable sprite that can be displayed in the game. It includes a texture,
+ * color, and flip settings, and is managed in layers with defined sorting orders.
+ */
 class Sprite : public Component {
 
 public:
-	Sprite(game_object_id_t id, std::shared_ptr<Texture> image,
+	// TODO: Loek comment in github #27 will be looked another time
+	// about shared_ptr Texture
+	/**
+	 * \brief Constructs a Sprite with specified parameters.
+	 * \param game_id Unique identifier for the game object this sprite belongs to.
+	 * \param image Shared pointer to the texture for this sprite.
+	 * \param color Color tint applied to the sprite.
+	 * \param flip Flip settings for horizontal and vertical orientation.
+	 */
+	Sprite(game_object_id_t id, const std::shared_ptr<Texture> image,
 		   const Color & color, const FlipSettings & flip);
+
+	/**
+	 * \brief Destroys the Sprite instance.
+	 */
 	~Sprite();
-	std::shared_ptr<Texture> sprite_image;
+
+	//! Texture used for the sprite
+	const std::shared_ptr<Texture> sprite_image;
+	//! Color tint of the sprite
 	Color color;
+	//! Flip settings for the sprite
 	FlipSettings flip;
-	uint8_t sorting_in_layer;
-	uint8_t order_in_layer;
+	//! Layer sorting level of the sprite
+	uint8_t sorting_in_layer = 0;
+	//! Order within the sorting layer
+	uint8_t order_in_layer = 0;
+
+public:
+	/**
+	 * \brief Gets the maximum number of instances allowed for this sprite.
+	 * \return Maximum instance count as an integer.
+	 *
+	 * For now is this number randomly picked. I think it will eventually be 1. 
+	 */
+	virtual int get_instances_max() const { return 10; }
+
+private:
+	//! Reads the sprite_rect of sprite
+	friend class SDLContext;
+
+	//! Reads the all the variables plus the  sprite_rect
+	friend class Animator;
+
+	//! Reads the all the variables plus the  sprite_rect
+	friend class AnimatorSystem;
+
+	//! Render area of the sprite this will also be adjusted by the AnimatorSystem if an Animator object is present in GameObject
+	Rect sprite_rect;
 };
 
 } // namespace crepe
diff --git a/src/crepe/api/Texture.cpp b/src/crepe/api/Texture.cpp
index 8fc5c13..5ebd23d 100644
--- a/src/crepe/api/Texture.cpp
+++ b/src/crepe/api/Texture.cpp
@@ -21,12 +21,19 @@ Texture::Texture(const char * src) {
 
 Texture::~Texture() {
 	dbg_trace();
-	if (this->texture != nullptr) {
-		SDL_DestroyTexture(this->texture);
-	}
+	this->texture.reset();
 }
 
 void Texture::load(unique_ptr<Asset> res) {
 	SDLContext & ctx = SDLContext::get_instance();
-	this->texture = ctx.texture_from_path(res->canonical());
+	this->texture = std::move(ctx.texture_from_path(res->canonical()));
+}
+
+int Texture::get_width() const {
+	if (this->texture == nullptr) return 0;
+	return SDLContext::get_instance().get_width(*this);
+}
+int Texture::get_height() const {
+	if (this->texture == nullptr) return 0;
+	return SDLContext::get_instance().get_width(*this);
 }
diff --git a/src/crepe/api/Texture.h b/src/crepe/api/Texture.h
index 9a86f6f..b89bc17 100644
--- a/src/crepe/api/Texture.h
+++ b/src/crepe/api/Texture.h
@@ -3,31 +3,75 @@
 // 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"
 
 namespace crepe {
-class SDLContext;
-}
 
-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 a file path.
+	 * \param src Path to the image file to be loaded as a texture.
+	 */
 	Texture(const char * src);
+
+	/**
+	 * \brief Constructs a Texture from an Asset resource.
+	 * \param res Unique pointer to an Asset resource containing texture data.
+	 */
 	Texture(std::unique_ptr<Asset> res);
+
+	/**
+	 * \brief Destroys the Texture instance, freeing associated resources.
+	 */
 	~Texture();
+	// FIXME: this constructor shouldn't be necessary because this class doesn't
+	// manage memory
+
+	/**
+	 * \brief Gets the width of the texture.
+	 * \return Width of the texture in pixels.
+	 */
+	int get_width() const;
+
+	/**
+	 * \brief Gets the height of the texture.
+	 * \return Height of the texture in pixels.
+	 */
+	int get_height() 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(std::unique_ptr<Asset> res);
 
 private:
-	SDL_Texture * texture = nullptr;
+	//! 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;
 
-	friend class crepe::SDLContext;
+	//! Grants Animator access to private members.
+	friend class Animator;
 };
 
 } // namespace crepe
diff --git a/src/crepe/api/Transform.h b/src/crepe/api/Transform.h
index d7a5b8a..756e45b 100644
--- a/src/crepe/api/Transform.h
+++ b/src/crepe/api/Transform.h
@@ -32,7 +32,7 @@ public:
 public:
 	//! Translation (shift)
 	Vector2 position;
-	//! Rotation, in radians
+	//! Rotation, in degrees
 	double rotation;
 	//! Multiplication factor
 	double scale;