diff options
Diffstat (limited to 'src/crepe/facade')
| -rw-r--r-- | src/crepe/facade/SDLContext.cpp | 19 | ||||
| -rw-r--r-- | src/crepe/facade/SDLContext.h | 30 |
2 files changed, 45 insertions, 4 deletions
diff --git a/src/crepe/facade/SDLContext.cpp b/src/crepe/facade/SDLContext.cpp index 83e91f8..b56b5e7 100644 --- a/src/crepe/facade/SDLContext.cpp +++ b/src/crepe/facade/SDLContext.cpp @@ -6,10 +6,12 @@ #include <SDL2/SDL_video.h> #include <cmath> #include <cstddef> +#include <cstdint> #include <functional> #include <iostream> #include <memory> #include <string> +#include <sys/types.h> #include "../api/Sprite.h" #include "../api/Texture.h" @@ -103,12 +105,24 @@ void SDLContext::handle_events(bool & running) { void SDLContext::clear_screen() { SDL_RenderClear(this->game_renderer.get()); } void SDLContext::present_screen() { SDL_RenderPresent(this->game_renderer.get()); } +void SDLContext::set_rbg_texture(const std::shared_ptr<Texture>& texture, const uint8_t& r, const uint8_t& g, const uint8_t& b){ + SDL_SetTextureColorMod(texture->texture.get(), r, g, b); +} +void SDLContext::set_alpha_texture(const std::shared_ptr<Texture>& texture, const uint8_t& alpha){ + SDL_SetTextureAlphaMod(texture->texture.get(), alpha ); +} + void SDLContext::draw(const Sprite & sprite, const Transform & transform, const Camera & cam) { SDL_RendererFlip render_flip = (SDL_RendererFlip) ((SDL_FLIP_HORIZONTAL * sprite.flip.flip_x) | (SDL_FLIP_VERTICAL * sprite.flip.flip_y)); + sprite.sprite_image->texture.get(); + + this->set_rbg_texture(sprite.sprite_image, sprite.color.r, sprite.color.g, sprite.color.b); + this->set_alpha_texture(sprite.sprite_image, sprite.color.a); + double adjusted_x = (transform.position.x - cam.x) * cam.zoom; double adjusted_y = (transform.position.y - cam.y) * cam.zoom; double adjusted_w = sprite.sprite_rect.w * transform.scale * cam.zoom; @@ -121,6 +135,7 @@ void SDLContext::draw(const Sprite & sprite, const Transform & transform, const .h = sprite.sprite_rect.h, }; + SDL_Rect dstrect = { .x = static_cast<int>(adjusted_x), .y = static_cast<int>(adjusted_y), @@ -167,12 +182,12 @@ SDLContext::texture_from_path(const std::string & path) { return img_texture; } -int SDLContext::get_width(const Texture & ctx) const { +int SDLContext::get_width(const Texture & ctx) { int w; SDL_QueryTexture(ctx.texture.get(), NULL, NULL, &w, NULL); return w; } -int SDLContext::get_height(const Texture & ctx) const { +int SDLContext::get_height(const Texture & ctx) { int h; SDL_QueryTexture(ctx.texture.get(), NULL, NULL, NULL, &h); return h; diff --git a/src/crepe/facade/SDLContext.h b/src/crepe/facade/SDLContext.h index 007092b..8cbd5fa 100644 --- a/src/crepe/facade/SDLContext.h +++ b/src/crepe/facade/SDLContext.h @@ -3,6 +3,7 @@ #include <SDL2/SDL_keycode.h> #include <SDL2/SDL_render.h> #include <SDL2/SDL_video.h> +#include <cstdint> #include <functional> #include <memory> #include <string> @@ -10,6 +11,7 @@ #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; @@ -106,14 +108,14 @@ private: * \param texture Reference to the Texture object. * \return Width of the texture as an integer. */ - int get_width(const Texture &) const; + int get_width(const Texture &) ; /** * \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 &) const; + int get_height(const Texture &) ; private: //! Will use draw,clear_screen, present_screen, camera. @@ -127,6 +129,8 @@ private: */ void draw(const Sprite & sprite, const Transform & transform, const Camera & camera); + void draw_particle(const Vector2 & pos, const Camera & camera); + //! Clears the screen, preparing for a new frame. void clear_screen(); @@ -139,6 +143,28 @@ private: */ void camera(const Camera & camera); + /** + * \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 + * + * + * \param texture the given texture to adjust + * \param r Red color + * \param g Green color + * \param b Blue color + */ + void set_rbg_texture(const std::shared_ptr<Texture>& texture, const uint8_t& r, const uint8_t& g, const uint8_t& b); + + + /** + * \brief Modifies the transparency of the given texture + * + * \param texture modify the given texture alpha channel + * \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; |