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#include <stdio.h>
#include <stdlib.h>
#include <SDL/SDL.h>
#include <emscripten.h>
// bug - SDL_GetKeyboardState doesn't return scancodes, it returns keycodes, so acts exactly like
// SDL_GetKeyState instead
#define SDL_GetKeyState SDL_GetKeyboardState
int result = 0;
int loop1()
{
unsigned i;
int r = 0;
// method 1: SDL_PollEvent loop
SDL_Event e;
while (SDL_PollEvent(&e));
const Uint8 *keys = SDL_GetKeyState(NULL);
if (keys[SDLK_LEFT])
r = 1;
return r;
}
int loop2()
{
unsigned i;
int r = 0;
// method 2: SDL_PumpEvents
SDL_PumpEvents();
const Uint8 *keys = SDL_GetKeyState(NULL);
if (keys[SDLK_RIGHT])
r = 2;
return r;
}
int alphakey()
{
unsigned i;
int r = 0;
SDL_PumpEvents();
const Uint8 *keys = SDL_GetKeyState(NULL);
if (keys[SDLK_a])
r = 4;
return r;
}
int main(int argc, char *argv[])
{
SDL_Init(SDL_INIT_EVERYTHING);
SDL_SetVideoMode(600, 400, 32, SDL_SWSURFACE);
emscripten_run_script("keydown(37);"); // left
result += loop1();
emscripten_run_script("keydown(39);"); // right
result += loop2();
emscripten_run_script("keydown(65);"); // A
result += alphakey();
REPORT_RESULT();
return 0;
}
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