new-engine/main.c

#include <SDL2/SDL.h>
#include <stdbool.h>

int main() {
  if (SDL_Init(SDL_INIT_VIDEO) < 0) {
    printf("Failed to initialize the SDL2 library\n");
    return -1;
  }

  SDL_Window *window = SDL_CreateWindow("SDL2 Window", SDL_WINDOWPOS_CENTERED,
                                        SDL_WINDOWPOS_CENTERED, 680, 480, 0);

  if (!window) {
    printf("Failed to create window\n");
    return -1;
  }

  SDL_Surface *window_surface = SDL_GetWindowSurface(window);

  if (!window_surface) {
    printf("Failed to get the surface from the window\n");
    return -1;
  }

  bool running = true;
  while (running) {
    // Create event handling struct
    SDL_Event input;
    while (SDL_PollEvent(&input) > 0) {
      // Handle SDL quit event
      if (input.type == SDL_QUIT) {
        running = false;
      }
      switch (input.type) {
      case SDL_QUIT:
        running = false;
      case SDL_KEYDOWN: {
        const Uint8 *keys = SDL_GetKeyboardState(NULL);
        if (keys[SDL_SCANCODE_ESCAPE])
          running = false;
      }
      }
    }
  }

  SDL_UpdateWindowSurface(window);
}