diff options
Diffstat (limited to 'src/crepe/facade')
-rw-r--r-- | src/crepe/facade/Font.cpp | 2 | ||||
-rw-r--r-- | src/crepe/facade/Font.h | 2 | ||||
-rw-r--r-- | src/crepe/facade/SDLContext.cpp | 58 | ||||
-rw-r--r-- | src/crepe/facade/SDLContext.h | 21 |
4 files changed, 72 insertions, 11 deletions
diff --git a/src/crepe/facade/Font.cpp b/src/crepe/facade/Font.cpp index 771002f..0c670c1 100644 --- a/src/crepe/facade/Font.cpp +++ b/src/crepe/facade/Font.cpp @@ -2,6 +2,7 @@ #include "../api/Asset.h" #include "../api/Config.h" +#include <string> #include "Font.h" @@ -11,6 +12,7 @@ using namespace crepe; Font::Font(const Asset & src, Mediator & mediator) : Resource(src, mediator) { const Config & config = Config::get_instance(); const std::string FONT_PATH = src.get_path(); + TTF_Font * loaded_font = TTF_OpenFont(FONT_PATH.c_str(), config.font.size); if (loaded_font == NULL) { throw runtime_error(format("Font: {} (path: {})", TTF_GetError(), FONT_PATH)); diff --git a/src/crepe/facade/Font.h b/src/crepe/facade/Font.h index b208d96..b08366d 100644 --- a/src/crepe/facade/Font.h +++ b/src/crepe/facade/Font.h @@ -1,10 +1,10 @@ #pragma once #include <SDL2/SDL_ttf.h> +#include <functional> #include <memory> #include "../Resource.h" -#include "../api/Config.h" namespace crepe { diff --git a/src/crepe/facade/SDLContext.cpp b/src/crepe/facade/SDLContext.cpp index fffbe34..ea3b71c 100644 --- a/src/crepe/facade/SDLContext.cpp +++ b/src/crepe/facade/SDLContext.cpp @@ -21,6 +21,9 @@ #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" @@ -32,9 +35,6 @@ using namespace std; SDLContext::SDLContext(Mediator & mediator) { dbg_trace(); - if (TTF_Init() == -1) { - throw runtime_error(format("SDL_ttf initialization failed: {}", TTF_GetError())); - } if (SDL_Init(SDL_INIT_VIDEO) != 0) { throw runtime_error(format("SDLContext: SDL_Init error: {}", SDL_GetError())); } @@ -63,6 +63,10 @@ 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; } @@ -75,8 +79,8 @@ 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. - IMG_Quit(); TTF_Quit(); + IMG_Quit(); SDL_Quit(); } @@ -188,6 +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; diff --git a/src/crepe/facade/SDLContext.h b/src/crepe/facade/SDLContext.h index b687f87..1dada74 100644 --- a/src/crepe/facade/SDLContext.h +++ b/src/crepe/facade/SDLContext.h @@ -12,6 +12,7 @@ #include <unordered_map> #include "../types.h" +#include "EventData.h" #include "api/Camera.h" #include "api/Color.h" #include "api/KeyCodes.h" @@ -24,6 +25,8 @@ namespace crepe { class Texture; +class Text; +class Font; class Mediator; /** @@ -71,12 +74,11 @@ public: const double & scale; }; -public: - /** - * \brief Gets the singleton instance of SDLContext. - * \return Reference to the SDLContext instance. - */ - static SDLContext & get_instance(); + struct RenderText { + const Text & text; + const Font & font; + const Transform & transform; + }; public: SDLContext(const SDLContext &) = delete; @@ -186,6 +188,13 @@ public: */ void draw(const RenderContext & ctx); + /** + * \brief draws a text to the screen + * + * \param data Reference to the rendering data needed to draw + */ + void draw_text(const RenderText & data); + //! Clears the screen, preparing for a new frame. void clear_screen(); |