Simple emscripten test

Main.cpp

#include <stdio.h>
#include <stdlib.h>
#include <SDL/SDL.h>
#include <SDL/SDL_ttf.h>
#include <emscripten.h>

int x = 0;
int y = 0;
SDL_Surface *screen;

void main_loop() {
  SDL_Event event;

  while (SDL_PollEvent(&event)) {
    switch (event.type) {
      case SDL_KEYDOWN:
        switch (event.key.keysym.sym) {
            case SDLK_RIGHT: x++; break;
            case SDLK_LEFT: x--; break;
            case SDLK_UP: y--; break;
            case SDLK_DOWN: y++; break;
            default: printf("Other key"); break;
        }
      default: printf("Event"); break;
    }
  }

  // Clears the screen
  SDL_FillRect(screen, NULL, SDL_MapRGB(screen->format, 255, 255, 255));
  
  // fill stuff
  SDL_Rect rect = { x, y, 175, 125 };
  SDL_FillRect(screen, &rect, SDL_MapRGBA(screen->format, 0x22, 0x22, 0xff, 0xff));
  
}

int main(int argc, char **argv) {
#if EMSCRIPTEN
  // include GL stuff, to check that we can compile hybrid 2d/GL apps
  extern void glBegin(int mode);
  extern void glBindBuffer(int target, int buffer);
  if (argc == 9876) {
    glBegin(0);
    glBindBuffer(0, 0);
  }

  // init main loop
  SDL_Init(SDL_INIT_VIDEO);
  screen = SDL_SetVideoMode(600, 450, 32, SDL_HWSURFACE);

  printf("Init: %d\n", TTF_Init());

  emscripten_set_main_loop(main_loop, 30, 1);
#endif

  return 0;
}