C++ (Cpp) SDL_SYS_JoystickDetect Examples

Example #1

File: SDL_sysjoystick.c Project: juj/SDL-emscripten

int
SDL_SYS_JoystickInit(void)
{
    SDL_SYS_JoystickDetect();
    
    if (SDL_GetHintBoolean(SDL_HINT_ACCELEROMETER_AS_JOYSTICK, SDL_TRUE)) {
        /* Default behavior, accelerometer as joystick */
        Android_AddJoystick(ANDROID_ACCELEROMETER_DEVICE_ID, ANDROID_ACCELEROMETER_NAME, ANDROID_ACCELEROMETER_NAME, SDL_TRUE, 0, 3, 0, 0);
    }
   
    return (numjoysticks);

}

Example #2

File: SDL_joystick.c Project: Robbbert/store1

void
SDL_JoystickUpdate(void)
{
    SDL_Joystick *joystick;

    joystick = SDL_joysticks;
    while (joystick) {
        SDL_Joystick *joysticknext;
        /* save off the next pointer, the Update call may cause a joystick removed event
         * and cause our joystick pointer to be freed
         */
        joysticknext = joystick->next;

        SDL_updating_joystick = joystick;

        SDL_SYS_JoystickUpdate(joystick);

        if (joystick->force_recentering) {
            int i;

            /* Tell the app that everything is centered/unpressed...  */
            for (i = 0; i < joystick->naxes; i++) {
                SDL_PrivateJoystickAxis(joystick, i, joystick->axes_zero[i]);
            }

            for (i = 0; i < joystick->nbuttons; i++) {
                SDL_PrivateJoystickButton(joystick, i, 0);
            }

            for (i = 0; i < joystick->nhats; i++) {
                SDL_PrivateJoystickHat(joystick, i, SDL_HAT_CENTERED);
            }

            joystick->force_recentering = SDL_FALSE;
        }

        SDL_updating_joystick = NULL;

        /* If the joystick was closed while updating, free it here */
        if (joystick->ref_count <= 0) {
            SDL_JoystickClose(joystick);
        }

        joystick = joysticknext;
    }

    /* this needs to happen AFTER walking the joystick list above, so that any
       dangling hardware data from removed devices can be free'd
     */
    SDL_SYS_JoystickDetect();
}

Example #3

File: SDL_sysjoystick.c Project: drhelius/bstone-ios

int
SDL_SYS_JoystickInit(void)
{
    const char *hint;
    SDL_SYS_JoystickDetect();
    
    hint = SDL_GetHint(SDL_HINT_ACCELEROMETER_AS_JOYSTICK);
    if (!hint || SDL_atoi(hint)) {
        /* Default behavior, accelerometer as joystick */
        Android_AddJoystick(ANDROID_ACCELEROMETER_DEVICE_ID, ANDROID_ACCELEROMETER_NAME, SDL_TRUE, 0, 3, 0, 0);
    }
   
    return (numjoysticks);

}

Example #4

File: SDL_sysjoystick.c Project: drhelius/bstone-ios

static SDL_joylist_item *
JoystickByDeviceId(int device_id)
{
    SDL_joylist_item *item = SDL_joylist;

    while (item != NULL) {
        if (item->device_id == device_id) {
            return item;
        }
        item = item->next;
    }
    
    /* Joystick not found, try adding it */
    SDL_SYS_JoystickDetect();
    
    while (item != NULL) {
        if (item->device_id == device_id) {
            return item;
        }
        item = item->next;
    }

    return NULL;
}

Example #5

File: SDL_joystick.c Project: inolen/redream

void
SDL_JoystickUpdate(void)
{
    SDL_Joystick *joystick;

    SDL_LockJoystickList();

    if (SDL_updating_joystick) {
        /* The joysticks are already being updated */
        SDL_UnlockJoystickList();
        return;
    }

    SDL_updating_joystick = SDL_TRUE;

    /* Make sure the list is unlocked while dispatching events to prevent application deadlocks */
    SDL_UnlockJoystickList();

    for (joystick = SDL_joysticks; joystick; joystick = joystick->next) {
        SDL_SYS_JoystickUpdate(joystick);

        if (joystick->force_recentering) {
            int i;

            /* Tell the app that everything is centered/unpressed... */
            for (i = 0; i < joystick->naxes; i++) {
                if (joystick->axes[i].has_initial_value) {
                    SDL_PrivateJoystickAxis(joystick, i, joystick->axes[i].zero);
                }
            }

            for (i = 0; i < joystick->nbuttons; i++) {
                SDL_PrivateJoystickButton(joystick, i, 0);
            }

            for (i = 0; i < joystick->nhats; i++) {
                SDL_PrivateJoystickHat(joystick, i, SDL_HAT_CENTERED);
            }

            joystick->force_recentering = SDL_FALSE;
        }
    }

    SDL_LockJoystickList();

    SDL_updating_joystick = SDL_FALSE;

    /* If any joysticks were closed while updating, free them here */
    for (joystick = SDL_joysticks; joystick; joystick = joystick->next) {
        if (joystick->ref_count <= 0) {
            SDL_JoystickClose(joystick);
        }
    }

    /* this needs to happen AFTER walking the joystick list above, so that any
       dangling hardware data from removed devices can be free'd
     */
    SDL_SYS_JoystickDetect();

    SDL_UnlockJoystickList();
}