diff options
Diffstat (limited to 'src/crepe/facade/SDLContext.h')
| -rw-r--r-- | src/crepe/facade/SDLContext.h | 67 |
1 files changed, 40 insertions, 27 deletions
diff --git a/src/crepe/facade/SDLContext.h b/src/crepe/facade/SDLContext.h index 8cbd5fa..6284a9c 100644 --- a/src/crepe/facade/SDLContext.h +++ b/src/crepe/facade/SDLContext.h @@ -1,21 +1,18 @@ #pragma once #include <SDL2/SDL_keycode.h> +#include <SDL2/SDL_rect.h> #include <SDL2/SDL_render.h> #include <SDL2/SDL_video.h> -#include <cstdint> +#include <cmath> #include <functional> #include <memory> #include <string> +#include "../api/Camera.h" #include "../api/Sprite.h" -#include "../api/Transform.h" -#include "api/Camera.h" -#include "api/Vector2.h" -// FIXME: this needs to be removed -const int SCREEN_WIDTH = 640; -const int SCREEN_HEIGHT = 480; +#include "types.h" namespace crepe { @@ -23,9 +20,6 @@ namespace crepe { // typedef is unusable when crepe is packaged. Wouter will fix this later. typedef SDL_Keycode CREPE_KEYCODES; -class Texture; -class LoopManager; - /** * \class SDLContext * \brief Facade for the SDL library @@ -34,6 +28,15 @@ class LoopManager; * event handling, and rendering to the screen. It is never used directly by the user */ class SDLContext { +public: + struct RenderContext { + const Sprite & sprite; + const Camera & cam; + const vec2 & cam_pos; + const vec2 & pos; + const double & angle; + const double & scale; + }; public: /** @@ -93,9 +96,6 @@ private: //! Will use the funtions: texture_from_path, get_width,get_height. friend class Texture; - //! Will use the funtions: texture_from_path, get_width,get_height. - friend class Animator; - /** * \brief Loads a texture from a file path. * \param path Path to the image file. @@ -108,14 +108,14 @@ private: * \param texture Reference to the Texture object. * \return Width of the texture as an integer. */ - int get_width(const Texture &) ; + int get_width(const Texture & texture) const; /** * \brief Gets the height of a texture. * \param texture Reference to the Texture object. * \return Height of the texture as an integer. */ - int get_height(const Texture &) ; + int get_height(const Texture & texture) const; private: //! Will use draw,clear_screen, present_screen, camera. @@ -123,13 +123,9 @@ private: /** * \brief Draws a sprite to the screen using the specified transform and camera. - * \param sprite Reference to the Sprite to draw. - * \param transform Reference to the Transform for positioning. - * \param camera Reference to the Camera for view adjustments. + * \param RenderCtx Reference to rendering data to draw */ - void draw(const Sprite & sprite, const Transform & transform, const Camera & camera); - - void draw_particle(const Vector2 & pos, const Camera & camera); + void draw(const RenderContext & ctx); //! Clears the screen, preparing for a new frame. void clear_screen(); @@ -138,12 +134,33 @@ private: void present_screen(); /** - * \brief Sets the current camera for rendering. + * \brief sets the background of the camera (will be adjusted in future PR) * \param camera Reference to the Camera object. */ - void camera(const Camera & camera); + void set_camera(const Camera & camera); +private: /** + * \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 + * \return sdl rectangle to draw a dst image to draw on the screen + */ + SDL_Rect get_dst_rect(const Sprite & sprite, const vec2 & pos, const Camera & cam, + const vec2 & cam_pos, const double & img_scale) const; +/** * \brief changes the texture rbg values with the given parameters * it sets the allowed color inside a image. So if all the colors are 255 (MAXIMUM) * it will show the given texture. however if the one of the colors is reduced it will reduce the @@ -164,16 +181,12 @@ private: * \param alpha alpha channel */ void set_alpha_texture(const std::shared_ptr<Texture>& texture, const uint8_t& alpha); - private: //! sdl Window std::unique_ptr<SDL_Window, std::function<void(SDL_Window *)>> game_window; //! renderer for the crepe engine std::unique_ptr<SDL_Renderer, std::function<void(SDL_Renderer *)>> game_renderer; - - //! viewport for the camera window - SDL_Rect viewport = {0, 0, 640, 480}; }; } // namespace crepe |