Exemplo n.º 1
0
static bool rwebpad_joypad_init(void *data)
{
   int supported = emscripten_get_num_gamepads();
   (void)data;

   if (supported == EMSCRIPTEN_RESULT_NOT_SUPPORTED)
      return false;

   if (!g_rwebpad_initialized)
   {
      EMSCRIPTEN_RESULT r;
      g_rwebpad_initialized = true;

      /* callbacks needs to be registered for gamepads to connect */
      r = emscripten_set_gamepadconnected_callback(NULL, false,
         rwebpad_gamepad_cb);
      if (r != EMSCRIPTEN_RESULT_SUCCESS)
      {
         RARCH_ERR(
            "[EMSCRIPTEN/PAD] failed to create connect callback: %d\n", r);
      }

      r = emscripten_set_gamepaddisconnected_callback(NULL, false,
         rwebpad_gamepad_cb);
      if (r != EMSCRIPTEN_RESULT_SUCCESS)
      {
         RARCH_ERR(
            "[EMSCRIPTEN/PAD] failed to create disconnect callback: %d\n", r);
      }
   }

   return true;
}
Exemplo n.º 2
0
/* Function to scan the system for joysticks.
 * It should return 0, or -1 on an unrecoverable fatal error.
 */
int
SDL_SYS_JoystickInit(void)
{
    int retval, i, numjs;
    EmscriptenGamepadEvent gamepadState;

    numjoysticks = 0;
    numjs = emscripten_get_num_gamepads();

    /* Check if gamepad is supported by browser */
    if (numjs == EMSCRIPTEN_RESULT_NOT_SUPPORTED) {
        return SDL_SetError("Gamepads not supported");
    }

    /* handle already connected gamepads */
    if (numjs > 0) {
        for(i = 0; i < numjs; i++) {
            retval = emscripten_get_gamepad_status(i, &gamepadState);
            if (retval == EMSCRIPTEN_RESULT_SUCCESS) {
                Emscripten_JoyStickConnected(EMSCRIPTEN_EVENT_GAMEPADCONNECTED,
                                             &gamepadState,
                                             NULL);
            }
        }
    }

    retval = emscripten_set_gamepadconnected_callback(NULL,
                                                      0,
                                                      Emscripten_JoyStickConnected);

    if(retval != EMSCRIPTEN_RESULT_SUCCESS) {
        SDL_SYS_JoystickQuit();
        return SDL_SetError("Could not set gamepad connect callback");
    }

    retval = emscripten_set_gamepaddisconnected_callback(NULL,
                                                         0,
                                                         Emscripten_JoyStickDisconnected);
    if(retval != EMSCRIPTEN_RESULT_SUCCESS) {
        SDL_SYS_JoystickQuit();
        return SDL_SetError("Could not set gamepad disconnect callback");
    }

    return 0;
}
Exemplo n.º 3
0
/* Function to perform any system-specific joystick related cleanup */
void
SDL_SYS_JoystickQuit(void)
{
    SDL_joylist_item *item = NULL;
    SDL_joylist_item *next = NULL;

    for (item = SDL_joylist; item; item = next) {
        next = item->next;
        SDL_free(item->mapping);
        SDL_free(item->name);
        SDL_free(item);
    }

    SDL_joylist = SDL_joylist_tail = NULL;

    numjoysticks = 0;
    instance_counter = 0;

    emscripten_set_gamepadconnected_callback(NULL, 0, NULL);
    emscripten_set_gamepaddisconnected_callback(NULL, 0, NULL);
}