static bool _process_keys(bool isJoy, AInputEvent *event, CookedEventCallback callback) {
if (AInputEvent_getType(event) == AINPUT_EVENT_TYPE_KEY) {
int action = AKeyEvent_getAction(event);
int code = _translate_keycode(AKeyEvent_getKeyCode(event));
bool handled = code >= 0;
if (code >= 0 && action == AKEY_EVENT_ACTION_DOWN) {
_report_key_state(code, true, callback);
} else if (code >= 0 && action == AKEY_EVENT_ACTION_UP) {
_report_key_state(code, false, callback);
}
return handled;
} else if (isJoy) {
// use joystick axes to emulate directional key events (we could leave this
// up to the platform, but joystick-to-dpad conversion doesn't work
// on NDK on older devices, so we implement manually for maximum compatibility)
float x = AMotionEvent_getX(event, 0);
float y = AMotionEvent_getY(event, 0);
if (_getAxisValue) {
// take the hat switches into account too, so that either the
// regular axes or the hat axes can be used to navigate UIs
x += _getAxisValue(event, AXIS_HAT_X, 0);
y += _getAxisValue(event, AXIS_HAT_Y, 0);
x = Clamp(x, -1.0f, 1.0f);
y = Clamp(y, -1.0f, 1.0f);
}
_report_key_states_from_axes(x, y, callback);
return true;
}
}
static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
{
int keycode;
keycode = ev->keysym.scancode;
if (keycode < 9) {
keycode = 0;
} else if (keycode < 97) {
keycode -= 8; /* just an offset */
} else if (keycode < 212) {
/* use conversion table */
keycode = _translate_keycode(keycode - 97);
} else {
keycode = 0;
}
return keycode;
}
