diff options
Diffstat (limited to 'src/crepe/facade/SDLContext.h')
-rw-r--r-- | src/crepe/facade/SDLContext.h | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/src/crepe/facade/SDLContext.h b/src/crepe/facade/SDLContext.h index dfdaa56..bbe87c3 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" @@ -35,12 +33,33 @@ class SDLContext { public: //! data that the camera component cannot hold struct CameraValues { + + //! zoomed in viewport in game_units vec2 zoomed_viewport; + + /** + * \render_scale scaling factor + * + * depending on the black bars type will the scaling be different. + * - lettorboxing --> scaling on the y-as + * - pillarboxing --> scaling on the x-as + */ vec2 render_scale; + + /** + * \bar_size 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 CameraValues & cam; @@ -192,7 +211,8 @@ private: CameraValues set_camera(const Camera & camera); private: - struct DstRect { + //! the data needed to construct a sdl dst rectangle + struct DestinationRectangleData { const Sprite & sprite; const CameraValues & cam; const vec2 & pos; @@ -216,7 +236,7 @@ private: * \param img_scale the image multiplier for increasing img size * \return sdl rectangle to draw a dst image to draw on the screen */ - SDL_FRect get_dst_rect(const DstRect & ctx) const; + SDL_FRect get_dst_rect(const DestinationRectangleData & data) const; /** * \brief Set an additional color value multiplied into render copy operations. * @@ -233,7 +253,7 @@ private: std::unique_ptr<SDL_Renderer, std::function<void(SDL_Renderer *)>> game_renderer; //! black bars rectangle to draw - SDL_FRect black_bars[2]; + SDL_FRect black_bars[2] = {}; }; } // namespace crepe |