Split up main.cpp into multiple files

CMakeLists.txt

@@ -9,7 +9,7 @@ find_package(SDL3_image CONFIG REQUIRED)
 find_package(flecs CONFIG REQUIRED)
 find_package(spdlog CONFIG REQUIRED)
 
-add_executable(HansTheGatherer main.cpp)
+add_executable(HansTheGatherer main.cpp assets.cpp)
 
 target_link_libraries(HansTheGatherer SDL3::SDL3 SDL3_image::SDL3_image flecs::flecs spdlog::spdlog)
 

assets.cpp

@@ -0,0 +1,28 @@
+#include "assets.hpp"
+#include "sdl_types.hpp"
+
+#include <SDL3_image/SDL_image.h>
+#include <cstdint>
+#include <spdlog/spdlog.h>
+
+static constexpr uint8_t BACKGROUND_DATA[] = {
+#embed "jungle.jpg"
+};
+
+static constexpr uint8_t FRUITS_DATA[] = {
+#embed "fruits.jpg"
+};
+
+void init_assets(flecs::world &world) {
+  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});
+}

assets.hpp

@@ -0,0 +1,11 @@
+#pragma once
+
+#include <SDL3/SDL.h>
+#include <flecs.h>
+
+struct SpriteAssets {
+  SDL_Texture *background;
+  SDL_Texture *fruits;
+};
+
+void init_assets(flecs::world &world);

input.hpp

@@ -0,0 +1,11 @@
+#pragma once
+
+#include <set>
+#include <SDL3/SDL.h>
+
+struct ButtonInput {
+  std::set<SDL_Keycode> pressed;
+  std::set<SDL_Keycode> just_pressed;
+  std::set<SDL_Keycode> just_released;
+};
+

main.cpp

@@ -1,51 +1,25 @@
+#include "assets.hpp"
+#include "sdl_types.hpp"
+#include "input.hpp"
+
 #include <SDL3/SDL.h>
 #include <SDL3/SDL_error.h>
 #include <SDL3/SDL_events.h>
 #include <SDL3/SDL_iostream.h>
 #include <SDL3/SDL_render.h>
 #include <SDL3/SDL_video.h>
-#include <SDL3_image/SDL_image.h>
 #include <flecs.h>
-#include <set>
 #include <spdlog/spdlog.h>
 
-const uint8_t background_data[] = {
-#embed "jungle.jpg"
-};
-
 static constexpr int WINDOW_WIDTH = 400;
 static constexpr int WINDOW_HEIGHT = 280;
 
-struct SpriteAssets {
+struct Position {
-  SDL_Texture *background;
+  int x;
+  int y;
 };
 
-struct SdlHandles {
+int main() {
-  SDL_Window *window;
-  SDL_Renderer *renderer;
-};
-
-struct ButtonInput {
-  std::set<SDL_Keycode> pressed;
-  std::set<SDL_Keycode> just_pressed;
-  std::set<SDL_Keycode> just_released;
-};
-
-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 {
   spdlog::info("Initialize SDL...");
 
   if (!SDL_Init(SDL_INIT_VIDEO)) {

sdl_types.hpp

@@ -0,0 +1,9 @@
+#pragma once
+
+#include <SDL3/SDL.h>
+
+struct SdlHandles {
+  SDL_Window *window;
+  SDL_Renderer *renderer;
+};
+