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/*
* Copyright 2014 The Emscripten Authors. All rights reserved.
* Emscripten is available under two separate licenses, the MIT license and the
* University of Illinois/NCSA Open Source License. Both these licenses can be
* found in the LICENSE file.
*/
#include <stdio.h>
#include <stdlib.h>
#include <SDL2/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()
{
printf("loop1\n");
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[SDL_SCANCODE_LEFT])
r = 1;
return r;
}
int loop2()
{
printf("loop2\n");
unsigned i;
int r = 0;
// method 2: SDL_PumpEvents
SDL_PumpEvents();
const Uint8 *keys = SDL_GetKeyState(NULL);
if (keys[SDL_SCANCODE_RIGHT])
r = 2;
return r;
}
int alphakey()
{
printf("alpha\n");
unsigned i;
int r = 0;
SDL_PumpEvents();
const Uint8 *keys = SDL_GetKeyState(NULL);
if (keys[SDL_SCANCODE_A])
r = 4;
return r;
}
int main(int argc, char *argv[])
{
SDL_Init(SDL_INIT_VIDEO);
SDL_Window *window;
SDL_CreateWindow("window", 0, 0, 600, 450, 0);
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(result);
return 0;
}
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