derek/HansTheGatherer
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Clean up asset initialization

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This commit is contained in:
Derek Christ
2025-05-24 19:20:18 +02:00
parent 266b86fb30
commit 3def624306
2 changed files with 39 additions and 20 deletions
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4
.gitignore vendored
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@@ -1,2 +1,2 @@
.cache .cache/
build build/

55
main.cpp
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@@ -7,40 +7,59 @@
#include <flecs.h> #include <flecs.h>
#include <spdlog/spdlog.h> #include <spdlog/spdlog.h>
const uint8_t image_data[] = { const uint8_t background_data[] = {
#embed "jungle.jpg" #embed "jungle.jpg"
}; };
static constexpr int WINDOW_WIDTH = 400; static constexpr int WINDOW_WIDTH = 400;
static constexpr int WINDOW_HEIGHT = 280; static constexpr int WINDOW_HEIGHT = 280;
struct SpriteAssets {
SDL_Texture *background;
};
struct SdlHandles {
SDL_Window *window;
SDL_Renderer *renderer;
};
auto init_assets(flecs::world &world) -> void {
auto *renderer = world.get<SdlHandles>()->renderer;
auto *background_iostream =
SDL_IOFromConstMem(background_data, sizeof(background_data));
SDL_Texture *background =
IMG_LoadTexture_IO(renderer, background_iostream, false);
if (background == nullptr) {
spdlog::error("Failed to load SDL texture!\nCause: {}", SDL_GetError());
}
world.set<SpriteAssets>(SpriteAssets{.background = background});
}
auto main() -> int { auto main() -> int {
spdlog::info("Initialize SDL..."); spdlog::info("Initialize SDL...");
bool sdl_success = SDL_Init(SDL_INIT_VIDEO);
if (!sdl_success) { if (!SDL_Init(SDL_INIT_VIDEO)) {
spdlog::critical("Failed to initialize SDL!\nCause: {}", SDL_GetError()); spdlog::critical("Failed to initialize SDL!\nCause: {}", SDL_GetError());
std::terminate(); std::terminate();
} }
auto *sdl_window = auto *window =
SDL_CreateWindow("HansTheGatherer", WINDOW_WIDTH, WINDOW_HEIGHT, 0); SDL_CreateWindow("HansTheGatherer", WINDOW_WIDTH, WINDOW_HEIGHT, 0);
if (sdl_window == nullptr) { if (window == nullptr) {
spdlog::critical("Failed to create SDL window!\nCause: {}", SDL_GetError()); spdlog::critical("Failed to create SDL window!\nCause: {}", SDL_GetError());
} }
auto *sdl_renderer = SDL_CreateRenderer(sdl_window, nullptr); auto *renderer = SDL_CreateRenderer(window, nullptr);
if (sdl_renderer == nullptr) { if (renderer == nullptr) {
spdlog::critical("Failed to create SDL renderer!\nCause: {}", spdlog::critical("Failed to create SDL renderer!\nCause: {}",
SDL_GetError()); SDL_GetError());
} }
flecs::world world; flecs::world world;
world.set<SdlHandles>(SdlHandles{.window = window, .renderer = renderer});
auto *image_iostream = SDL_IOFromConstMem(image_data, sizeof(image_data)); init_assets(world);
SDL_Texture *img = IMG_LoadTexture_IO(sdl_renderer, image_iostream, false);
if (img == nullptr) {
spdlog::error("Failed to load SDL texture!\nCause: {}", SDL_GetError());
}
bool exit_gameloop = false; bool exit_gameloop = false;
while (!exit_gameloop) { while (!exit_gameloop) {
@@ -58,13 +77,13 @@ auto main() -> int {
} }
} }
SDL_RenderClear(sdl_renderer); SDL_RenderClear(renderer);
SDL_RenderTexture(sdl_renderer, img, nullptr, nullptr); SDL_RenderTexture(renderer, world.get<SpriteAssets>()->background, nullptr, nullptr);
SDL_RenderPresent(sdl_renderer); SDL_RenderPresent(renderer);
} }
SDL_DestroyRenderer(sdl_renderer); SDL_DestroyRenderer(renderer);
SDL_DestroyWindow(sdl_window); SDL_DestroyWindow(window);
SDL_Quit(); SDL_Quit();
return 0; return 0;