C++ (Cpp) BUTTON_AXIS_POS Examples

Example #1

File: i_joystick.c Project: LindaLovelace/stm32doom

static boolean IsAxisButton(int physbutton)
{
    if (IS_BUTTON_AXIS(joystick_x_axis))
    {
        if (physbutton == BUTTON_AXIS_NEG(joystick_x_axis)
         || physbutton == BUTTON_AXIS_POS(joystick_x_axis))
        {
            return true;
        }
    }
    if (IS_BUTTON_AXIS(joystick_y_axis))
    {
        if (physbutton == BUTTON_AXIS_NEG(joystick_y_axis)
         || physbutton == BUTTON_AXIS_POS(joystick_y_axis))
        {
            return true;
        }
    }
    if (IS_BUTTON_AXIS(joystick_strafe_axis))
    {
        if (physbutton == BUTTON_AXIS_NEG(joystick_strafe_axis)
         || physbutton == BUTTON_AXIS_POS(joystick_strafe_axis))
        {
            return true;
        }
    }

    return false;
}

Example #2

File: txt_joyaxis.c Project: Azarien/chocolate-doom

static void TXT_JoystickAxisDrawer(TXT_UNCAST_ARG(joystick_axis))
{
    TXT_CAST_ARG(txt_joystick_axis_t, joystick_axis);
    char buf[JOYSTICK_AXIS_WIDTH + 1];
    int i;

    if (*joystick_axis->axis < 0)
    {
        M_StringCopy(buf, "(none)", sizeof(buf));
    }
    else if (IS_BUTTON_AXIS(*joystick_axis->axis))
    {
        int neg, pos;

        neg = BUTTON_AXIS_NEG(*joystick_axis->axis);
        pos = BUTTON_AXIS_POS(*joystick_axis->axis);
        M_snprintf(buf, sizeof(buf), "BUTTONS #%i+#%i", neg, pos);
    }
    else if (IS_HAT_AXIS(*joystick_axis->axis))
    {
        int hat, dir;

        hat = HAT_AXIS_HAT(*joystick_axis->axis);
        dir = HAT_AXIS_DIRECTION(*joystick_axis->axis);

        M_snprintf(buf, sizeof(buf), "HAT #%i (%s)", hat,
                   dir == HAT_AXIS_HORIZONTAL ? "horizontal" : "vertical");
    }
    else
    {
        M_snprintf(buf, sizeof(buf), "AXIS #%i", *joystick_axis->axis);
    }

    TXT_SetWidgetBG(joystick_axis);
    TXT_FGColor(TXT_COLOR_BRIGHT_WHITE);

    TXT_DrawString(buf);

    for (i = TXT_UTF8_Strlen(buf); i < joystick_axis->widget.w; ++i)
    {
        TXT_DrawString(" ");
    }
}

Example #3

static int GetAxisState(int axis, int invert)
{
    int result;

    // Axis -1 means disabled.

    if (axis < 0)
    {
        return 0;
    }

    // Is this a button axis, or a hat axis?
    // If so, we need to handle it specially.

    result = 0;

    if (IS_BUTTON_AXIS(axis))
    {
        if (SDL_JoystickGetButton(joystick, BUTTON_AXIS_NEG(axis)))
        {
            result -= 32767;
        }
        if (SDL_JoystickGetButton(joystick, BUTTON_AXIS_POS(axis)))
        {
            result += 32767;
        }
    }
    else if (IS_HAT_AXIS(axis))
    {
        int direction = HAT_AXIS_DIRECTION(axis);
        int hatval = SDL_JoystickGetHat(joystick, HAT_AXIS_HAT(axis));

        if (direction == HAT_AXIS_HORIZONTAL)
        {
            if ((hatval & SDL_HAT_LEFT) != 0)
            {
                result -= 32767;
            }
            else if ((hatval & SDL_HAT_RIGHT) != 0)
            {
                result += 32767;
            }
        }
        else if (direction == HAT_AXIS_VERTICAL)
        {
            if ((hatval & SDL_HAT_UP) != 0)
            {
                result -= 32767;
            }
            else if ((hatval & SDL_HAT_DOWN) != 0)
            {
                result += 32767;
            }
        }
    }
    else
    {
        result = SDL_JoystickGetAxis(joystick, axis);

        if (result < DEAD_ZONE && result > -DEAD_ZONE)
        {
            result = 0;
        }
    }

    if (invert)
    {
        result = -result;
    }

    return result;
}