diff options
author | max-001 <maxsmits21@kpnmail.nl> | 2024-12-09 13:24:27 +0100 |
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committer | max-001 <maxsmits21@kpnmail.nl> | 2024-12-09 13:24:27 +0100 |
commit | ee56ebd4cf1ca1ef04f1f8c36431ebb54447cc46 (patch) | |
tree | c15bbd0f6524064569690b4436b5d91f3feeafd4 /src/crepe/facade/SDLContext.h | |
parent | a4d76993e51ac4486fc313e868285eb7b4cb89f2 (diff) | |
parent | 4d74c80d9c3c9fdca9b07d960a1f9fd3e38cdfad (diff) |
Merge remote-tracking branch 'origin/master' into max/AI
Diffstat (limited to 'src/crepe/facade/SDLContext.h')
-rw-r--r-- | src/crepe/facade/SDLContext.h | 73 |
1 files changed, 53 insertions, 20 deletions
diff --git a/src/crepe/facade/SDLContext.h b/src/crepe/facade/SDLContext.h index a2b34c1..e232511 100644 --- a/src/crepe/facade/SDLContext.h +++ b/src/crepe/facade/SDLContext.h @@ -9,11 +9,9 @@ #include <functional> #include <memory> #include <string> -#include <utility> #include "api/Camera.h" #include "api/Color.h" -#include "api/Event.h" #include "api/KeyCodes.h" #include "api/Sprite.h" #include "api/Texture.h" @@ -27,16 +25,44 @@ class InputSystem; /** * \class SDLContext * \brief Facade for the SDL library - * + * * SDLContext is a singleton that handles the SDL window and renderer, provides methods for * event handling, and rendering to the screen. It is never used directly by the user */ class SDLContext { public: + //! data that the camera component cannot hold + struct CameraValues { + + //! zoomed in viewport in game_units + vec2 zoomed_viewport; + + /** + * \brief scaling factor + * + * depending on the black bars type will the scaling be different. + * - letterboxing --> scaling on the y-as + * - pillarboxing --> scaling on the x-as + */ + vec2 render_scale; + + /** + * \brief size of calculated black bars + * + * depending on the black bars type will the size be different + * - lettorboxing --> {0, bar_height} + * - pillarboxing --> {bar_width , 0} + */ + vec2 bar_size; + + //! Calculated camera position + vec2 cam_pos; + }; + + //! rendering data needed to render on screen struct RenderContext { const Sprite & sprite; - const Camera & cam; - const vec2 & cam_pos; + const CameraValues & cam; const vec2 & pos; const double & angle; const double & scale; @@ -82,21 +108,21 @@ private: friend class InputSystem; /** * \brief Retrieves a list of all events from the SDL context. - * + * * This method retrieves all the events from the SDL context that are currently * available. It is primarily used by the InputSystem to process various * input events such as mouse clicks, mouse movements, and keyboard presses. - * + * * \return Events that occurred since last call to `get_events()` */ std::vector<SDLContext::EventData> get_events(); /** * \brief Converts an SDL key code to the custom Keycode type. - * + * * This method maps an SDL key code to the corresponding `Keycode` enum value, * which is used internally by the system to identify the keys. - * + * * \param sdl_key The SDL key code to convert. * \return The corresponding `Keycode` value or `Keycode::NONE` if the key is unrecognized. */ @@ -104,18 +130,16 @@ private: /** * \brief Converts an SDL mouse button code to the custom MouseButton type. - * - * This method maps an SDL mouse button code to the corresponding `MouseButton` + * + * This method maps an SDL mouse button code to the corresponding `MouseButton` * enum value, which is used internally by the system to identify mouse buttons. - * + * * \param sdl_button The SDL mouse button code to convert. * \return The corresponding `MouseButton` value or `MouseButton::NONE` if the key is unrecognized */ MouseButton sdl_to_mousebutton(Uint8 sdl_button); private: - //! Will only use get_ticks - friend class AnimatorSystem; //! Will only use delay friend class LoopTimer; /** @@ -170,7 +194,7 @@ private: /** * \brief Draws a sprite to the screen using the specified transform and camera. - * \param RenderCtx Reference to rendering data to draw + * \param RenderContext Reference to rendering data to draw */ void draw(const RenderContext & ctx); @@ -184,9 +208,16 @@ private: * \brief sets the background of the camera (will be adjusted in future PR) * \param camera Reference to the Camera object. */ - void set_camera(const Camera & camera); + CameraValues set_camera(const Camera & camera); private: + //! the data needed to construct a sdl dst rectangle + struct DestinationRectangleData { + const Sprite & sprite; + const CameraValues & cam; + const vec2 & pos; + const double & img_scale; + }; /** * \brief calculates the sqaure size of the image * @@ -202,15 +233,14 @@ private: * \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 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; + SDL_FRect get_dst_rect(const DestinationRectangleData & data) const; /** * \brief Set an additional color value multiplied into render copy operations. * - * \param texture the given texture to adjust + * \param texture the given texture to adjust * \param color the color data for the texture */ void set_color_texture(const Texture & texture, const Color & color); @@ -221,6 +251,9 @@ private: //! renderer for the crepe engine std::unique_ptr<SDL_Renderer, std::function<void(SDL_Renderer *)>> game_renderer; + + //! black bars rectangle to draw + SDL_FRect black_bars[2] = {}; }; } // namespace crepe |