Read and store joypad events in a separate thread on x11 platform
This commit is contained in:
Marcel Admiraal
parent
30f3c4255e
commit
c893302ca1
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@ -65,6 +65,7 @@ void JoypadLinux::Joypad::reset() {
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abs_map[i] = -1;
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curr_axis[i] = 0;
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}
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events.clear();
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}
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JoypadLinux::JoypadLinux(Input *in) {
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@ -84,23 +85,26 @@ JoypadLinux::JoypadLinux(Input *in) {
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print_verbose("JoypadLinux: udev disabled, parsing /dev/input to detect joypads.");
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#endif
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input = in;
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joy_thread.start(joy_thread_func, this);
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monitor_joypads_thread.start(monitor_joypads_thread_func, this);
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joypad_events_thread.start(joypad_events_thread_func, this);
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}
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JoypadLinux::~JoypadLinux() {
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exit_monitor.set();
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joy_thread.wait_to_finish();
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close_joypad();
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monitor_joypads_exit.set();
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joypad_events_exit.set();
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monitor_joypads_thread.wait_to_finish();
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joypad_events_thread.wait_to_finish();
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close_joypads();
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}
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void JoypadLinux::joy_thread_func(void *p_user) {
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void JoypadLinux::monitor_joypads_thread_func(void *p_user) {
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if (p_user) {
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JoypadLinux *joy = static_cast<JoypadLinux *>(p_user);
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joy->run_joypad_thread();
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joy->monitor_joypads_thread_run();
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}
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}
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void JoypadLinux::run_joypad_thread() {
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void JoypadLinux::monitor_joypads_thread_run() {
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#ifdef UDEV_ENABLED
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if (use_udev) {
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udev *_udev = udev_new();
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@ -140,7 +144,6 @@ void JoypadLinux::enumerate_joypads(udev *p_udev) {
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if (devnode) {
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String devnode_str = devnode;
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if (devnode_str.find(ignore_str) == -1) {
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MutexLock lock(joy_mutex);
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open_joypad(devnode);
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}
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}
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@ -156,7 +159,7 @@ void JoypadLinux::monitor_joypads(udev *p_udev) {
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udev_monitor_enable_receiving(mon);
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int fd = udev_monitor_get_fd(mon);
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while (!exit_monitor.is_set()) {
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while (!monitor_joypads_exit.is_set()) {
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fd_set fds;
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struct timeval tv;
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int ret;
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@ -175,7 +178,6 @@ void JoypadLinux::monitor_joypads(udev *p_udev) {
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dev = udev_monitor_receive_device(mon);
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if (dev && udev_device_get_devnode(dev) != nullptr) {
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MutexLock lock(joy_mutex);
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String action = udev_device_get_action(dev);
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const char *devnode = udev_device_get_devnode(dev);
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if (devnode) {
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@ -184,11 +186,10 @@ void JoypadLinux::monitor_joypads(udev *p_udev) {
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if (action == "add") {
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open_joypad(devnode);
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} else if (String(action) == "remove") {
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close_joypad(get_joy_from_path(devnode));
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close_joypad(devnode);
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}
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}
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}
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udev_device_unref(dev);
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}
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}
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@ -199,10 +200,7 @@ void JoypadLinux::monitor_joypads(udev *p_udev) {
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#endif
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void JoypadLinux::monitor_joypads() {
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while (!exit_monitor.is_set()) {
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{
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MutexLock lock(joy_mutex);
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while (!monitor_joypads_exit.is_set()) {
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DIR *input_directory;
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input_directory = opendir("/dev/input");
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if (input_directory) {
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@ -222,36 +220,34 @@ void JoypadLinux::monitor_joypads() {
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closedir(input_directory);
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}
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usleep(1000000); // 1s
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}
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void JoypadLinux::close_joypads() {
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for (int i = 0; i < JOYPADS_MAX; i++) {
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MutexLock lock(joypads_mutex[i]);
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Joypad &joypad = joypads[i];
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close_joypad(joypad, i);
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}
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}
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int JoypadLinux::get_joy_from_path(String p_path) const {
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void JoypadLinux::close_joypad(const char *p_devpath) {
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for (int i = 0; i < JOYPADS_MAX; i++) {
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if (joypads[i].devpath == p_path) {
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return i;
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MutexLock lock(joypads_mutex[i]);
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Joypad &joypad = joypads[i];
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if (joypads[i].devpath == p_devpath) {
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close_joypad(joypad, i);
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}
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}
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return -2;
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}
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void JoypadLinux::close_joypad(int p_id) {
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if (p_id == -1) {
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for (int i = 0; i < JOYPADS_MAX; i++) {
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close_joypad(i);
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}
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return;
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} else if (p_id < 0) {
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return;
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}
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Joypad &joy = joypads[p_id];
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if (joy.fd != -1) {
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close(joy.fd);
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joy.fd = -1;
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attached_devices.remove_at(attached_devices.find(joy.devpath));
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void JoypadLinux::close_joypad(Joypad &p_joypad, int p_id) {
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if (p_joypad.fd != -1) {
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close(p_joypad.fd);
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p_joypad.fd = -1;
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attached_devices.erase(p_joypad.devpath);
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input->joy_connection_changed(p_id, false, "");
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}
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p_joypad.events.clear();
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}
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static String _hex_str(uint8_t p_byte) {
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@ -265,27 +261,25 @@ static String _hex_str(uint8_t p_byte) {
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return ret;
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}
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void JoypadLinux::setup_joypad_properties(int p_id) {
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Joypad *joy = &joypads[p_id];
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void JoypadLinux::setup_joypad_properties(Joypad &p_joypad) {
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unsigned long keybit[NBITS(KEY_MAX)] = { 0 };
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unsigned long absbit[NBITS(ABS_MAX)] = { 0 };
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int num_buttons = 0;
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int num_axes = 0;
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if ((ioctl(joy->fd, EVIOCGBIT(EV_KEY, sizeof(keybit)), keybit) < 0) ||
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(ioctl(joy->fd, EVIOCGBIT(EV_ABS, sizeof(absbit)), absbit) < 0)) {
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if ((ioctl(p_joypad.fd, EVIOCGBIT(EV_KEY, sizeof(keybit)), keybit) < 0) ||
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(ioctl(p_joypad.fd, EVIOCGBIT(EV_ABS, sizeof(absbit)), absbit) < 0)) {
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return;
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}
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for (int i = BTN_JOYSTICK; i < KEY_MAX; ++i) {
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if (test_bit(i, keybit)) {
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joy->key_map[i] = num_buttons++;
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p_joypad.key_map[i] = num_buttons++;
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}
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}
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for (int i = BTN_MISC; i < BTN_JOYSTICK; ++i) {
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if (test_bit(i, keybit)) {
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joy->key_map[i] = num_buttons++;
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p_joypad.key_map[i] = num_buttons++;
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}
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}
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for (int i = 0; i < ABS_MISC; ++i) {
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@ -295,21 +289,21 @@ void JoypadLinux::setup_joypad_properties(int p_id) {
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continue;
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}
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if (test_bit(i, absbit)) {
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joy->abs_map[i] = num_axes++;
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joy->abs_info[i] = memnew(input_absinfo);
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if (ioctl(joy->fd, EVIOCGABS(i), joy->abs_info[i]) < 0) {
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memdelete(joy->abs_info[i]);
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joy->abs_info[i] = nullptr;
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p_joypad.abs_map[i] = num_axes++;
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p_joypad.abs_info[i] = memnew(input_absinfo);
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if (ioctl(p_joypad.fd, EVIOCGABS(i), p_joypad.abs_info[i]) < 0) {
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memdelete(p_joypad.abs_info[i]);
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p_joypad.abs_info[i] = nullptr;
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}
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}
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}
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joy->force_feedback = false;
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joy->ff_effect_timestamp = 0;
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p_joypad.force_feedback = false;
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p_joypad.ff_effect_timestamp = 0;
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unsigned long ffbit[NBITS(FF_CNT)];
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if (ioctl(joy->fd, EVIOCGBIT(EV_FF, sizeof(ffbit)), ffbit) != -1) {
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if (ioctl(p_joypad.fd, EVIOCGBIT(EV_FF, sizeof(ffbit)), ffbit) != -1) {
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if (test_bit(FF_RUMBLE, ffbit)) {
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joy->force_feedback = true;
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p_joypad.force_feedback = true;
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}
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}
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}
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@ -353,12 +347,12 @@ void JoypadLinux::open_joypad(const char *p_path) {
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return;
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}
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joypads[joy_num].reset();
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Joypad &joy = joypads[joy_num];
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joy.fd = fd;
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joy.devpath = String(p_path);
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setup_joypad_properties(joy_num);
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MutexLock lock(joypads_mutex[joy_num]);
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Joypad &joypad = joypads[joy_num];
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joypad.reset();
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joypad.fd = fd;
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joypad.devpath = String(p_path);
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setup_joypad_properties(joypad);
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sprintf(uid, "%04x%04x", BSWAP16(inpid.bustype), 0);
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if (inpid.vendor && inpid.product && inpid.version) {
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uint16_t vendor = BSWAP16(inpid.vendor);
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@ -379,13 +373,12 @@ void JoypadLinux::open_joypad(const char *p_path) {
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}
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}
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void JoypadLinux::joypad_vibration_start(int p_id, float p_weak_magnitude, float p_strong_magnitude, float p_duration, uint64_t p_timestamp) {
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Joypad &joy = joypads[p_id];
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if (!joy.force_feedback || joy.fd == -1 || p_weak_magnitude < 0.f || p_weak_magnitude > 1.f || p_strong_magnitude < 0.f || p_strong_magnitude > 1.f) {
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void JoypadLinux::joypad_vibration_start(Joypad &p_joypad, float p_weak_magnitude, float p_strong_magnitude, float p_duration, uint64_t p_timestamp) {
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if (!p_joypad.force_feedback || p_joypad.fd == -1 || p_weak_magnitude < 0.f || p_weak_magnitude > 1.f || p_strong_magnitude < 0.f || p_strong_magnitude > 1.f) {
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return;
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}
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if (joy.ff_effect_id != -1) {
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joypad_vibration_stop(p_id, p_timestamp);
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if (p_joypad.ff_effect_id != -1) {
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joypad_vibration_stop(p_joypad, p_timestamp);
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}
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struct ff_effect effect;
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@ -396,7 +389,7 @@ void JoypadLinux::joypad_vibration_start(int p_id, float p_weak_magnitude, float
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effect.replay.length = floor(p_duration * 1000);
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effect.replay.delay = 0;
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if (ioctl(joy.fd, EVIOCSFF, &effect) < 0) {
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if (ioctl(p_joypad.fd, EVIOCSFF, &effect) < 0) {
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return;
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}
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@ -404,26 +397,25 @@ void JoypadLinux::joypad_vibration_start(int p_id, float p_weak_magnitude, float
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play.type = EV_FF;
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play.code = effect.id;
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play.value = 1;
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if (write(joy.fd, (const void *)&play, sizeof(play)) == -1) {
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if (write(p_joypad.fd, (const void *)&play, sizeof(play)) == -1) {
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print_verbose("Couldn't write to Joypad device.");
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}
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joy.ff_effect_id = effect.id;
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joy.ff_effect_timestamp = p_timestamp;
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p_joypad.ff_effect_id = effect.id;
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p_joypad.ff_effect_timestamp = p_timestamp;
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}
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void JoypadLinux::joypad_vibration_stop(int p_id, uint64_t p_timestamp) {
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Joypad &joy = joypads[p_id];
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if (!joy.force_feedback || joy.fd == -1 || joy.ff_effect_id == -1) {
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void JoypadLinux::joypad_vibration_stop(Joypad &p_joypad, uint64_t p_timestamp) {
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if (!p_joypad.force_feedback || p_joypad.fd == -1 || p_joypad.ff_effect_id == -1) {
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return;
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}
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if (ioctl(joy.fd, EVIOCRMFF, joy.ff_effect_id) < 0) {
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if (ioctl(p_joypad.fd, EVIOCRMFF, p_joypad.ff_effect_id) < 0) {
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return;
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}
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joy.ff_effect_id = -1;
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joy.ff_effect_timestamp = p_timestamp;
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p_joypad.ff_effect_id = -1;
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p_joypad.ff_effect_timestamp = p_timestamp;
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}
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float JoypadLinux::axis_correct(const input_absinfo *p_abs, int p_value) const {
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@ -433,104 +425,124 @@ float JoypadLinux::axis_correct(const input_absinfo *p_abs, int p_value) const {
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return 2.0f * (p_value - min) / (max - min) - 1.0f;
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}
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void JoypadLinux::process_joypads() {
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if (joy_mutex.try_lock() != OK) {
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return;
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void JoypadLinux::joypad_events_thread_func(void *p_user) {
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if (p_user) {
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JoypadLinux *joy = (JoypadLinux *)p_user;
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joy->joypad_events_thread_run();
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}
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}
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void JoypadLinux::joypad_events_thread_run() {
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while (!joypad_events_exit.is_set()) {
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bool no_events = true;
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for (int i = 0; i < JOYPADS_MAX; i++) {
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if (joypads[i].fd == -1) {
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MutexLock lock(joypads_mutex[i]);
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Joypad &joypad = joypads[i];
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if (joypad.fd == -1) {
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continue;
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}
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input_event event;
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while (read(joypad.fd, &event, sizeof(event)) > 0) {
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no_events = false;
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JoypadEvent joypad_event;
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joypad_event.type = event.type;
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joypad_event.code = event.code;
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joypad_event.value = event.value;
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joypad.events.push_back(joypad_event);
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}
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if (errno != EAGAIN) {
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close_joypad(joypad, i);
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}
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}
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if (no_events) {
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usleep(10000); // 10ms
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}
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}
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}
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input_event events[32];
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Joypad *joy = &joypads[i];
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int len;
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while ((len = read(joy->fd, events, (sizeof events))) > 0) {
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len /= sizeof(events[0]);
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for (int j = 0; j < len; j++) {
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input_event &ev = events[j];
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// ev may be tainted and out of MAX_KEY range, which will cause
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// joy->key_map[ev.code] to crash
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if (ev.code >= MAX_KEY) {
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void JoypadLinux::process_joypads() {
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for (int i = 0; i < JOYPADS_MAX; i++) {
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MutexLock lock(joypads_mutex[i]);
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Joypad &joypad = joypads[i];
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if (joypad.fd == -1) {
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continue;
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}
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for (uint32_t j = 0; j < joypad.events.size(); j++) {
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const JoypadEvent &joypad_event = joypad.events[j];
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// joypad_event may be tainted and out of MAX_KEY range, which will cause
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// joypad.key_map[joypad_event.code] to crash
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if (joypad_event.code >= MAX_KEY) {
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return;
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}
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switch (ev.type) {
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switch (joypad_event.type) {
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case EV_KEY:
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input->joy_button(i, (JoyButton)joy->key_map[ev.code], ev.value);
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input->joy_button(i, (JoyButton)joypad.key_map[joypad_event.code], joypad_event.value);
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break;
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case EV_ABS:
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switch (ev.code) {
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switch (joypad_event.code) {
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case ABS_HAT0X:
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if (ev.value != 0) {
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if (ev.value < 0) {
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joy->dpad = (HatMask)((joy->dpad | HatMask::LEFT) & ~HatMask::RIGHT);
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if (joypad_event.value != 0) {
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if (joypad_event.value < 0) {
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joypad.dpad = (HatMask)((joypad.dpad | HatMask::LEFT) & ~HatMask::RIGHT);
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} else {
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joy->dpad = (HatMask)((joy->dpad | HatMask::RIGHT) & ~HatMask::LEFT);
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joypad.dpad = (HatMask)((joypad.dpad | HatMask::RIGHT) & ~HatMask::LEFT);
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}
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} else {
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joy->dpad &= ~(HatMask::LEFT | HatMask::RIGHT);
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joypad.dpad &= ~(HatMask::LEFT | HatMask::RIGHT);
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}
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input->joy_hat(i, (HatMask)joy->dpad);
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input->joy_hat(i, (HatMask)joypad.dpad);
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break;
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case ABS_HAT0Y:
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if (ev.value != 0) {
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if (ev.value < 0) {
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joy->dpad = (HatMask)((joy->dpad | HatMask::UP) & ~HatMask::DOWN);
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if (joypad_event.value != 0) {
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if (joypad_event.value < 0) {
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joypad.dpad = (HatMask)((joypad.dpad | HatMask::UP) & ~HatMask::DOWN);
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} else {
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joy->dpad = (HatMask)((joy->dpad | HatMask::DOWN) & ~HatMask::UP);
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joypad.dpad = (HatMask)((joypad.dpad | HatMask::DOWN) & ~HatMask::UP);
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}
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} else {
|
||||
joy->dpad &= ~(HatMask::UP | HatMask::DOWN);
|
||||
joypad.dpad &= ~(HatMask::UP | HatMask::DOWN);
|
||||
}
|
||||
|
||||
input->joy_hat(i, (HatMask)joy->dpad);
|
||||
input->joy_hat(i, (HatMask)joypad.dpad);
|
||||
break;
|
||||
|
||||
default:
|
||||
if (ev.code >= MAX_ABS) {
|
||||
if (joypad_event.code >= MAX_ABS) {
|
||||
return;
|
||||
}
|
||||
if (joy->abs_map[ev.code] != -1 && joy->abs_info[ev.code]) {
|
||||
float value = axis_correct(joy->abs_info[ev.code], ev.value);
|
||||
joy->curr_axis[joy->abs_map[ev.code]] = value;
|
||||
if (joypad.abs_map[joypad_event.code] != -1 && joypad.abs_info[joypad_event.code]) {
|
||||
float value = axis_correct(joypad.abs_info[joypad_event.code], joypad_event.value);
|
||||
joypad.curr_axis[joypad.abs_map[joypad_event.code]] = value;
|
||||
}
|
||||
break;
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
joypad.events.clear();
|
||||
|
||||
for (int j = 0; j < MAX_ABS; j++) {
|
||||
int index = joy->abs_map[j];
|
||||
int index = joypad.abs_map[j];
|
||||
if (index != -1) {
|
||||
input->joy_axis(i, (JoyAxis)index, joy->curr_axis[index]);
|
||||
input->joy_axis(i, (JoyAxis)index, joypad.curr_axis[index]);
|
||||
}
|
||||
}
|
||||
if (len == 0 || (len < 0 && errno != EAGAIN)) {
|
||||
close_joypad(i);
|
||||
}
|
||||
|
||||
if (joy->force_feedback) {
|
||||
if (joypad.force_feedback) {
|
||||
uint64_t timestamp = input->get_joy_vibration_timestamp(i);
|
||||
if (timestamp > joy->ff_effect_timestamp) {
|
||||
if (timestamp > joypad.ff_effect_timestamp) {
|
||||
Vector2 strength = input->get_joy_vibration_strength(i);
|
||||
float duration = input->get_joy_vibration_duration(i);
|
||||
if (strength.x == 0 && strength.y == 0) {
|
||||
joypad_vibration_stop(i, timestamp);
|
||||
joypad_vibration_stop(joypad, timestamp);
|
||||
} else {
|
||||
joypad_vibration_start(i, strength.x, strength.y, duration, timestamp);
|
||||
joypad_vibration_start(joypad, strength.x, strength.y, duration, timestamp);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
joy_mutex.unlock();
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif // JOYDEV_ENABLED
|
||||
|
|
|
|||
|
|
@ -35,6 +35,7 @@
|
|||
#include "core/input/input.h"
|
||||
#include "core/os/mutex.h"
|
||||
#include "core/os/thread.h"
|
||||
#include "core/templates/local_vector.h"
|
||||
|
||||
struct input_absinfo;
|
||||
|
||||
|
|
@ -51,6 +52,12 @@ private:
|
|||
MAX_KEY = 767, // Hack because <linux/input.h> can't be included here
|
||||
};
|
||||
|
||||
struct JoypadEvent {
|
||||
uint16_t type;
|
||||
uint16_t code;
|
||||
int32_t value;
|
||||
};
|
||||
|
||||
struct Joypad {
|
||||
float curr_axis[MAX_ABS];
|
||||
int key_map[MAX_KEY];
|
||||
|
|
@ -65,6 +72,8 @@ private:
|
|||
int ff_effect_id = 0;
|
||||
uint64_t ff_effect_timestamp = 0;
|
||||
|
||||
LocalVector<JoypadEvent> events;
|
||||
|
||||
~Joypad();
|
||||
void reset();
|
||||
};
|
||||
|
|
@ -72,29 +81,39 @@ private:
|
|||
#ifdef UDEV_ENABLED
|
||||
bool use_udev = false;
|
||||
#endif
|
||||
SafeFlag exit_monitor;
|
||||
Mutex joy_mutex;
|
||||
Thread joy_thread;
|
||||
Input *input = nullptr;
|
||||
|
||||
SafeFlag monitor_joypads_exit;
|
||||
SafeFlag joypad_events_exit;
|
||||
Thread monitor_joypads_thread;
|
||||
Thread joypad_events_thread;
|
||||
|
||||
Joypad joypads[JOYPADS_MAX];
|
||||
Mutex joypads_mutex[JOYPADS_MAX];
|
||||
|
||||
Vector<String> attached_devices;
|
||||
|
||||
static void joy_thread_func(void *p_user);
|
||||
static void monitor_joypads_thread_func(void *p_user);
|
||||
void monitor_joypads_thread_run();
|
||||
|
||||
int get_joy_from_path(String p_path) const;
|
||||
void open_joypad(const char *p_path);
|
||||
void setup_joypad_properties(Joypad &p_joypad);
|
||||
|
||||
void close_joypads();
|
||||
void close_joypad(const char *p_devpath);
|
||||
void close_joypad(Joypad &p_joypad, int p_id);
|
||||
|
||||
void setup_joypad_properties(int p_id);
|
||||
void close_joypad(int p_id = -1);
|
||||
#ifdef UDEV_ENABLED
|
||||
void enumerate_joypads(struct udev *p_udev);
|
||||
void monitor_joypads(struct udev *p_udev);
|
||||
#endif
|
||||
void monitor_joypads();
|
||||
void run_joypad_thread();
|
||||
void open_joypad(const char *p_path);
|
||||
|
||||
void joypad_vibration_start(int p_id, float p_weak_magnitude, float p_strong_magnitude, float p_duration, uint64_t p_timestamp);
|
||||
void joypad_vibration_stop(int p_id, uint64_t p_timestamp);
|
||||
void joypad_vibration_start(Joypad &p_joypad, float p_weak_magnitude, float p_strong_magnitude, float p_duration, uint64_t p_timestamp);
|
||||
void joypad_vibration_stop(Joypad &p_joypad, uint64_t p_timestamp);
|
||||
|
||||
static void joypad_events_thread_func(void *p_user);
|
||||
void joypad_events_thread_run();
|
||||
|
||||
float axis_correct(const input_absinfo *p_abs, int p_value) const;
|
||||
};
|
||||
|
|
|
|||
Loading…
Reference in New Issue