diff options
Diffstat (limited to 'src/crepe/facade/SDLContext.cpp')
-rw-r--r-- | src/crepe/facade/SDLContext.cpp | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/crepe/facade/SDLContext.cpp b/src/crepe/facade/SDLContext.cpp index 7ccc243..271b746 100644 --- a/src/crepe/facade/SDLContext.cpp +++ b/src/crepe/facade/SDLContext.cpp @@ -6,6 +6,7 @@ #include <SDL2/SDL_rect.h> #include <SDL2/SDL_render.h> #include <SDL2/SDL_surface.h> +#include <SDL2/SDL_ttf.h> #include <array> #include <cmath> #include <cstddef> @@ -19,6 +20,9 @@ #include "../api/Config.h" #include "../api/Sprite.h" #include "../util/Log.h" +#include "api/Text.h" +#include "api/Transform.h" +#include "facade/Font.h" #include "manager/Mediator.h" #include "SDLContext.h" @@ -58,6 +62,10 @@ SDLContext::SDLContext(Mediator & mediator) { throw runtime_error("SDLContext: SDL_image could not initialize!"); } + if (TTF_Init() == -1) { + throw runtime_error(format("SDL_ttf initialization failed: {}", TTF_GetError())); + } + mediator.sdl_context = *this; } @@ -70,6 +78,7 @@ SDLContext::~SDLContext() { // TODO: how are we going to ensure that these are called from the same // thread that SDL_Init() was called on? This has caused problems for me // before. + TTF_Quit(); IMG_Quit(); SDL_Quit(); } @@ -183,6 +192,52 @@ void SDLContext::draw(const RenderContext & ctx) { angle, NULL, render_flip); } +void SDLContext::draw_text(const RenderText & data) { + + const Text & text = data.text; + const Font & font = data.font; + const Transform & transform = data.transform; + std::unique_ptr<SDL_Surface, std::function<void(SDL_Surface *)>> font_surface; + std::unique_ptr<SDL_Texture, std::function<void(SDL_Texture *)>> font_texture; + + SDL_Color color{ + .r = text.data.text_color.r, + .g = text.data.text_color.g, + .b = text.data.text_color.b, + .a = text.data.text_color.a, + }; + SDL_Surface * tmp_font_surface + = TTF_RenderText_Solid(font.get_font(), text.text.c_str(), color); + if (!tmp_font_surface) { + throw runtime_error(format("draw_text: font surface error: {}", SDL_GetError())); + } + font_surface = {tmp_font_surface, [](SDL_Surface * surface) { SDL_FreeSurface(surface); }}; + + SDL_Texture * tmp_font_texture + = SDL_CreateTextureFromSurface(this->game_renderer.get(), font_surface.get()); + if (!tmp_font_texture) { + throw runtime_error(format("draw_text: font texture error: {}", SDL_GetError())); + } + font_texture + = {tmp_font_texture, [](SDL_Texture * texture) { SDL_DestroyTexture(texture); }}; + + vec2 size = text.dimensions * cam_aux_data.render_scale; + vec2 screen_pos = (transform.position + text.offset - cam_aux_data.cam_pos + + (cam_aux_data.zoomed_viewport) / 2) + * cam_aux_data.render_scale + - size / 2 + cam_aux_data.bar_size; + + SDL_FRect dstrect{ + .x = screen_pos.x, + .y = screen_pos.y, + .w = size.x, + .h = size.y, + }; + + SDL_RenderCopyExF(this->game_renderer.get(), font_texture.get(), NULL, &dstrect, 0, NULL, + SDL_FLIP_NONE); +} + void SDLContext::update_camera_view(const Camera & cam, const vec2 & new_pos) { const Camera::Data & cam_data = cam.data; @@ -404,7 +459,12 @@ void SDLContext::handle_window_event(const SDL_WindowEvent & window_event, } } + void SDLContext::set_color_texture(const Texture & texture, const Color & color) { SDL_SetTextureColorMod(texture.get_img(), color.r, color.g, color.b); SDL_SetTextureAlphaMod(texture.get_img(), color.a); } + +Asset SDLContext::get_font_from_name(const std::string & font_family) { + return this->font_facade.get_font_asset(font_family); +} |