Fix test sources with latest cppcheck

projects/robots/gctronic/e-puck/controllers/e-puck/e-puck.c

@@ -46,8 +46,8 @@ int main(int argc, char *argv[]) {
   int i, j;
   double speed[2];
   double sensors_value[8];
-  double braitenberg_coefficients[8][2] = {{0.942, -0.22}, {0.63, -0.1}, {0.5, -0.06},  {-0.06, -0.06},
-                                           {-0.06, -0.06}, {-0.06, 0.5}, {-0.19, 0.63}, {-0.13, 0.942}};
+  const double braitenberg_coefficients[8][2] = {{0.942, -0.22}, {0.63, -0.1}, {0.5, -0.06},  {-0.06, -0.06},
+                                                 {-0.06, -0.06}, {-0.06, 0.5}, {-0.19, 0.63}, {-0.13, 0.942}};
   int time_step;
   int camera_time_step;
   /* initialize Webots */

projects/robots/gctronic/elisa/controllers/elisa3/elisa3.c

@@ -64,7 +64,7 @@ int main(int argc, char *argv[]) {
   int i, j;
   double speed[2] = {0, 0};
   double sensors_value[8];
-  double braitenberg_coefficients[8][2] = {{10, 8}, {7, -1.5}, {5, -1}, {-1, -1}, {-1, -1}, {-1, -1}, {-1, 5}, {-1.5, 7}};
+  const double braitenberg_coefficients[8][2] = {{10, 8}, {7, -1.5}, {5, -1}, {-1, -1}, {-1, -1}, {-1, -1}, {-1, 5}, {-1.5, 7}};
 
   /* initialize Webots */
   wb_robot_init();

projects/robots/robotis/darwin-op/transfer/keyboard/keyboardInterface.cpp

@@ -207,8 +207,6 @@ void KeyboardInterface::startListenKeyboard() {
 void KeyboardInterface::setKeyPressed(int key) {
   if (mKeyPressed[key] == VALIDATED)
     mKeyPressed[key] = VALIDATED_STILL_PRESSED;
-  else if (mKeyPressed[key] == VALIDATED_STILL_PRESSED)
-    mKeyPressed[key] = VALIDATED_STILL_PRESSED;
   else
     mKeyPressed[key] = PRESSED;
 }

projects/robots/softbank/nao/controllers/nao_soccer_player/nao_soccer_player.c

@@ -165,7 +165,6 @@ static struct Sequence *read_sequence(char color, char number) {
       sequence->next = new_sequence;
     sequence = new_sequence;
     sequence->next = new_sequence;
-    sequence = new_sequence;
     sequence->time = time;
     sequence->action = (char *)malloc(strlen(action) + 1);
     strcpy(sequence->action, action);

projects/samples/demos/controllers/moon/moon.c

@@ -36,8 +36,8 @@ int main() {
   double speed[2];
   double sensor_value[16];
   double kUnit = 8.24;
-  double matrix[2][16] = {{3, -18, -15, -15, -5, -5, 4, 4, 6, 6, 4, 4, 4, 4, 3, -18},
-                          {-18, 3, 4, 4, 4, 4, 6, 6, 4, 4, -5, -5, -15, -15, -18, 3}};
+  const double matrix[2][16] = {{3, -18, -15, -15, -5, -5, 4, 4, 6, 6, 4, 4, 4, 4, 3, -18},
+                                {-18, 3, 4, 4, 4, 4, 6, 6, 4, 4, -5, -5, -15, -15, -18, 3}};
 
   wb_robot_init();
   robot_name = wb_robot_get_name();

projects/samples/devices/controllers/distance_sensor/distance_sensor.c

@@ -32,7 +32,7 @@ int main(void) {
   char name[] = "ds0";
   double speed[2];
   double sensor_value[NB_SENSORS];
-  double matrix[2][NB_SENSORS] = {{11, 12, 8, -2, -3, -5, -7, -9}, {-9, -8, -5, -1, -2, 6, 12, 11}};
+  const double matrix[2][NB_SENSORS] = {{11, 12, 8, -2, -3, -5, -7, -9}, {-9, -8, -5, -1, -2, 6, 12, 11}};
 
   wb_robot_init();
 

projects/samples/devices/controllers/lidar/lidar.c

@@ -58,7 +58,7 @@ int main(int argc, char **argv) {
   wb_motor_set_velocity(right_motor, 0.0);
 
   // set empirical coefficients for collision avoidance
-  double coefficients[2][2] = {{12.0, -6.0}, {-10.0, 8.0}};
+  const double coefficients[2][2] = {{12.0, -6.0}, {-10.0, 8.0}};
   double base_speed = 6.0;
 
   // init speed values

projects/samples/devices/controllers/spherical_camera/spherical_camera.c

@@ -73,7 +73,7 @@ int main(int argc, char **argv) {
   // init distance sensors
   WbDeviceTag us[2];
   double us_values[2];
-  double coefficients[2][2] = {{6.0, -3.0}, {-5.0, 4.0}};
+  const double coefficients[2][2] = {{6.0, -3.0}, {-5.0, 4.0}};
   us[LEFT] = wb_robot_get_device("us0");
   us[RIGHT] = wb_robot_get_device("us1");
   for (i = 0; i < 2; i++)

projects/samples/tutorials/controllers/epuck_avoid_collision/epuck_avoid_collision.c

@@ -58,8 +58,9 @@ int main(int argc, char **argv) {
     bool left_obstacle = ps_values[5] > 80.0 || ps_values[6] > 80.0 || ps_values[7] > 80.0;
 
     // initialize motor speeds at 50% of MAX_SPEED.
-    double left_speed = 0.5 * MAX_SPEED;
-    double right_speed = 0.5 * MAX_SPEED;
+    double speed = 0.5 * MAX_SPEED;
+    double left_speed = speed;
+    double right_speed = speed;
 
     // modify speeds according to obstacles
     if (left_obstacle) {

resources/projects/libraries/qt_utils/motion_editor/AddStateDialog.cpp

@@ -32,7 +32,7 @@ AddStateDialog::AddStateDialog(Motion *motion, QWidget *parent) : QDialog(parent
   populateListWidget();
 
   QWidget *buttonsWidget = new QWidget(this);
-  QPushButton *cancelButton = new QPushButton(tr("Cancel"), buttonsWidget);
+  const QPushButton *cancelButton = new QPushButton(tr("Cancel"), buttonsWidget);
   QPushButton *okButton = new QPushButton(tr("Ok"), buttonsWidget);
   QHBoxLayout *hBoxLayout = new QHBoxLayout(buttonsWidget);
   hBoxLayout->addStretch();

resources/projects/libraries/qt_utils/motion_editor/Pose.cpp

@@ -17,7 +17,7 @@ Pose::Pose(const Pose &other) : mName(other.mName), mTime(other.mTime), mIsValid
   int size = other.mStates.size();
   mStates.reserve(size);
   foreach (const MotorTargetState *item, other.mStates) {
-    MotorTargetState *state = new MotorTargetState(*item);
+    const MotorTargetState *state = new MotorTargetState(*item);
     mStates.append(state);
     connect(state, SIGNAL(updated()), this, SLOT(propagateStateUpdate()));
     connect(state, SIGNAL(validChanged()), this, SLOT(updateIsValid()));

resources/projects/libraries/qt_utils/motion_editor/PoseEditor.cpp

@@ -36,7 +36,7 @@ PoseEditor::PoseEditor(Pose *pose, Pose *previousPose, Pose *nextPose, bool fixe
   formLayout->addRow(tr("&Milliseconds:"), mMilliSecondsSpinBox);
 
   QWidget *buttonsWidget = new QWidget(this);
-  QPushButton *cancelButton = new QPushButton(tr("Cancel"), buttonsWidget);
+  const QPushButton *cancelButton = new QPushButton(tr("Cancel"), buttonsWidget);
   QPushButton *okButton = new QPushButton(tr("Ok"), buttonsWidget);
   QHBoxLayout *hBoxLayout = new QHBoxLayout(buttonsWidget);
   hBoxLayout->addStretch();

src/controller/c/g_image.c

@@ -224,7 +224,7 @@ struct ImageData {
   unsigned long *target_data_size;
 };
 
-void g_image_save_to_jpeg_buffer_callback(void *context, void *data, int size) {
+void g_image_save_to_jpeg_buffer_callback(void *context, const void *data, int size) {
   if (!*(((struct ImageData *)context)->target_data))
     *(((struct ImageData *)context)->target_data) = (unsigned char *)malloc(size);
   else

src/controller/c/supervisor.c

@@ -1814,7 +1814,7 @@ static WbNodeRef node_get_from_id(int id, const char *function) {
 
   WbNodeRef result = find_node_by_id(id);
   if (!result) {
-    WbNodeRef node_list_before = node_list;
+    WbNodeRef *const node_list_before = node_list;
     node_id = id;
     wb_robot_flush_unlocked(function);
     if (node_list != node_list_before)
@@ -2313,7 +2313,7 @@ WbFieldRef wb_supervisor_node_get_field_by_index(WbNodeRef node, int index) {
   WbFieldRef result = find_field_by_id(node->id, index, false);
   if (!result) {
     // otherwise: need to talk to Webots
-    WbFieldRef field_list_before = field_list;
+    WbFieldRef *const field_list_before = field_list;
     requested_field_index = index;
     node_ref = node->id;
     wb_robot_flush_unlocked(__FUNCTION__);
@@ -2349,7 +2349,7 @@ WbFieldRef wb_supervisor_node_get_proto_field_by_index(WbNodeRef node, int index
   WbFieldRef result = find_field_by_id(node->id, index, true);
   if (!result) {
     // otherwise: need to talk to Webots
-    WbFieldRef field_list_before = field_list;
+    WbFieldRef *const field_list_before = field_list;
     requested_field_index = index;
     node_ref = node->id;
     allow_search_in_proto = true;

src/webots/app/WbApplication.cpp

@@ -122,7 +122,7 @@ WbApplication::~WbApplication() {
 }
 
 void WbApplication::setup() {
-  WbNodeOperations *nodeOperations = WbNodeOperations::instance();
+  const WbNodeOperations *nodeOperations = WbNodeOperations::instance();
 
   // create and connect WbAnimationRecorder
   WbAnimationRecorder *recorder = WbAnimationRecorder::instance();

src/webots/control/WbControlledWorld.cpp

@@ -46,7 +46,7 @@ WbControlledWorld::WbControlledWorld(WbTokenizer *tokenizer) :
     return;
 
   mNeedToYield = false;
-  foreach (WbRobot *const robot, robots())
+  foreach (const WbRobot *const robot, robots())
     connect(robot, &WbRobot::startControllerRequest, this, &WbControlledWorld::startController);
 }
 
@@ -145,7 +145,7 @@ void WbControlledWorld::retryStepLater() {
     emit stepBlocked(true);
   }
   // call the step() function again when a WbController received some data from the libController
-  foreach (WbController *const controller, mControllers)
+  foreach (const WbController *const controller, mControllers)
     connect(controller, &WbController::requestReceived, this, &WbControlledWorld::step, Qt::UniqueConnection);
 }
 
@@ -195,7 +195,7 @@ void WbControlledWorld::checkIfReadRequestCompleted() {
 
 void WbControlledWorld::step() {
   if (mFirstStep && !mRetryEnabled) {
-    foreach (WbRobot *const robot, robots()) {
+    foreach (const WbRobot *const robot, robots()) {
       if (!robot->isControllerStarted())
         startController(robot);
     }

src/webots/core/WbGuiRefreshOracle.cpp

@@ -35,7 +35,7 @@ void WbGuiRefreshOracle::cleanup() {
 WbGuiRefreshOracle::WbGuiRefreshOracle() : mCanRefreshNow(true) {
   qAddPostRoutine(WbGuiRefreshOracle::cleanup);
 
-  WbSimulationState *state = WbSimulationState::instance();
+  const WbSimulationState *state = WbSimulationState::instance();
   connect(state, &WbSimulationState::modeChanged, this, &WbGuiRefreshOracle::updateFlags);
   connect(state, &WbSimulationState::controllerReadRequestsCompleted, this, &WbGuiRefreshOracle::updateFlags);
   connect(&mGlobalRefreshTimer, &QTimer::timeout, this, &WbGuiRefreshOracle::updateFlags);

src/webots/core/WbTelemetry.cpp

@@ -71,7 +71,7 @@ void WbTelemetry::sendRequest(const QString &operation) {
   data.append("&build=");
   data.append(QString::number(UNIX_TIMESTAMP).toUtf8());
   request.setHeader(QNetworkRequest::ContentTypeHeader, "application/x-www-form-urlencoded");
-  QNetworkReply *reply = WbNetwork::instance()->networkAccessManager()->post(request, data);
+  const QNetworkReply *reply = WbNetwork::instance()->networkAccessManager()->post(request, data);
   if (id == 0) {
     QEventLoop loop;
     QTimer timer;

src/webots/core/WbWebotsUpdateManager.cpp

@@ -50,7 +50,7 @@ void WbWebotsUpdateManager::cleanup() {
 void WbWebotsUpdateManager::sendRequest() {
   QNetworkRequest request;
   request.setUrl(QUrl("https://api.github.com/repos/cyberbotics/webots/releases/latest"));
-  QNetworkReply *reply = WbNetwork::instance()->networkAccessManager()->get(request);
+  const QNetworkReply *reply = WbNetwork::instance()->networkAccessManager()->get(request);
   connect(reply, &QNetworkReply::finished, this, &WbWebotsUpdateManager::downloadReplyFinished, Qt::UniqueConnection);
 }
 

src/webots/engine/WbAnimationRecorder.cpp

@@ -272,7 +272,7 @@ void WbAnimationRecorder::populateCommands() {
     }
   }
 
-  foreach (WbAnimationCommand *command, mCommands) {
+  foreach (const WbAnimationCommand *command, mCommands) {
     connect(command, &WbAnimationCommand::changed, this, &WbAnimationRecorder::addChangedCommandToList);
     // support node deletions
     connect(command->node(), &WbNode::destroyed, this, &WbAnimationRecorder::updateCommandsAfterNodeDeletion);

src/webots/engine/WbSimulationWorld.cpp

@@ -226,7 +226,7 @@ void WbSimulationWorld::step() {
     dImmersionOutlineDestroy(mImmersionGeoms.at(i).outline);
   mImmersionGeoms.clear();
 
-  foreach (WbRobot *const robot, robots()) {
+  foreach (const WbRobot *const robot, robots()) {
     if (robots().contains(robot))  // the 'processImmediateMessages' of another robot may have removed/regenerated this robot
       robot->processImmediateMessages();
   }
@@ -400,7 +400,7 @@ void WbSimulationWorld::reset(bool restartControllers) {
   dImmersionLinkGroupEmpty(mCluster->immersionLinkGroup());
   WbSoundEngine::stopAllSources();
   if (restartControllers) {
-    foreach (WbRobot *const robot, robots()) {
+    foreach (const WbRobot *const robot, robots()) {
       if (robot->isControllerStarted())
         robot->restartController();
     }

src/webots/gui/WbGuidedTour.cpp

@@ -97,7 +97,7 @@ WbGuidedTour::WbGuidedTour(QWidget *parent) :
   mNextButton = new QPushButton(tr("Next"), this);
   mNextButton->setDefault(true);
   mNextButton->setAutoDefault(true);
-  QPushButton *closeButton = new QPushButton(tr("Close"), this);
+  const QPushButton *closeButton = new QPushButton(tr("Close"), this);
 
   connect(closeButton, &QPushButton::pressed, this, &WbGuidedTour::close);
   connect(mPrevButton, &QPushButton::pressed, this, &WbGuidedTour::prev);

src/webots/gui/WbMainWindow.cpp

@@ -196,7 +196,7 @@ WbMainWindow::WbMainWindow(bool minimizedOnStart, WbTcpServer *tcpServer, QWidge
   connect(mAnimationRecordingTimer, &QTimer::timeout, this, &WbMainWindow::toggleAnimationIcon);
   toggleAnimationAction(false);
 
-  WbAnimationRecorder *recorder = WbAnimationRecorder::instance();
+  const WbAnimationRecorder *recorder = WbAnimationRecorder::instance();
   connect(recorder, &WbAnimationRecorder::initalizedFromStreamingServer, this, &WbMainWindow::disableAnimationAction);
   connect(recorder, &WbAnimationRecorder::cleanedUpFromStreamingServer, this, &WbMainWindow::enableAnimationAction);
   connect(recorder, &WbAnimationRecorder::requestOpenUrl, this,
@@ -1160,7 +1160,7 @@ void WbMainWindow::savePerspective(bool reloading, bool saveToFile, bool isSaveE
   perspective->setConsolesSettings(settingsList);
 
   // save rendering devices perspective
-  const QList<WbRenderingDevice *> renderingDevices = WbRenderingDevice::renderingDevices();
+  const QList<WbRenderingDevice *> &renderingDevices = WbRenderingDevice::renderingDevices();
   foreach (const WbRenderingDevice *device, renderingDevices) {
     if (device->overlay() != NULL)
       perspective->setRenderingDevicePerspective(device->computeShortUniqueName(), device->perspective());
@@ -1249,7 +1249,7 @@ void WbMainWindow::restorePerspective(bool reloading, bool firstLoad, bool loadi
 
 void WbMainWindow::restoreRenderingDevicesPerspective() {
   const WbPerspective *perspective = WbWorld::instance()->perspective();
-  const QList<WbRenderingDevice *> devices = WbRenderingDevice::renderingDevices();
+  const QList<WbRenderingDevice *> &devices = WbRenderingDevice::renderingDevices();
   for (int i = 0; i < devices.size(); ++i) {
     WbRenderingDevice *device = devices[i];
     QStringList devicePerspective = perspective->renderingDevicePerspective(device->computeShortUniqueName());

src/webots/gui/WbNewProjectWizard.cpp

@@ -124,7 +124,7 @@ QWizardPage *WbNewProjectWizard::createDirectoryPage() {
   page->setTitle(tr("Directory selection"));
   page->setSubTitle(tr("Please choose a directory for your new project:"));
   mDirEdit = new WbLineEdit(page);
-  QPushButton *chooseButton = new QPushButton(tr("Choose"), page);
+  const QPushButton *chooseButton = new QPushButton(tr("Choose"), page);
   connect(chooseButton, &QPushButton::pressed, this, &WbNewProjectWizard::chooseDirectory);
   QHBoxLayout *layout = new QHBoxLayout(page);
   layout->addWidget(mDirEdit);

src/webots/gui/WbNewVersionDialog.cpp

@@ -132,7 +132,7 @@ WbNewVersionDialog::WbNewVersionDialog() {
   vBoxLayout->addWidget(telemetryBox);
 
   // main button
-  QPushButton *startButton = new QPushButton(tr("Start Webots with the selected theme."));
+  const QPushButton *startButton = new QPushButton(tr("Start Webots with the selected theme."));
   vBoxLayout->addWidget(startButton);
 
   setLayout(vBoxLayout);

src/webots/gui/WbView3D.cpp

@@ -1582,7 +1582,7 @@ void WbView3D::mousePressEvent(QMouseEvent *event) {
 
   // Overlays come first - special case for overlay resize and close (resize has priority)
   bool displayOverlayClicked = false;
-  WbWrenTextureOverlay *overlay = NULL;
+  const WbWrenTextureOverlay *overlay = nullptr;
   if (!mDragOverlay) {
     WbRenderingDevice *renderingDevice = WbRenderingDevice::fromMousePosition(position.x(), position.y());
     if (renderingDevice) {
@@ -1813,7 +1813,7 @@ void WbView3D::mouseMoveEvent(QMouseEvent *event) {
   // Drag overlay even if modifier keys are pressed
   WbRenderingDevice *const renderingDevice = WbRenderingDevice::fromMousePosition(position.x(), position.y());
   if (renderingDevice) {
-    WbWrenTextureOverlay *const overlay = renderingDevice->overlay();
+    const WbWrenTextureOverlay *const overlay = renderingDevice->overlay();
     if (overlay) {
       overlay->putOnTop();
       if (overlay->isInsideResizeArea(position.x(), position.y()))

src/webots/gui/WbWebotsUpdateDialog.cpp

@@ -25,7 +25,7 @@
 WbWebotsUpdateDialog::WbWebotsUpdateDialog(bool displayCheckBox, QWidget *parent) : QDialog(parent) {
   setWindowTitle(tr("Check for updates"));
 
-  QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok, Qt::Horizontal, this);
+  const QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok, Qt::Horizontal, this);
   connect(buttonBox, &QDialogButtonBox::accepted, this, &WbWebotsUpdateDialog::accept);
 
   mLabel = new QLabel(tr("Check for updates..."), this);

src/webots/nodes/WbBaseNode.cpp

@@ -285,15 +285,16 @@ bool WbBaseNode::isUrdfRootLink() const {
 }
 
 void WbBaseNode::exportUrdfJoint(WbWriter &writer) const {
-  if (!parentNode() || dynamic_cast<WbBasicJoint *>(parentNode()))
+  if (dynamic_cast<WbBasicJoint *>(parentNode()))
     return;
 
   WbVector3 translation;
   WbVector3 eulerRotation;
   const WbNode *const upperLinkRoot = findUrdfLinkRoot();
   assert(upperLinkRoot);
 
-  if (dynamic_cast<const WbPose *>(this) && dynamic_cast<const WbPose *>(upperLinkRoot)) {
+  const WbPose *pose = dynamic_cast<const WbPose *>(this);
+  if (pose && dynamic_cast<const WbPose *>(upperLinkRoot)) {
     const WbPose *const upperLinkRootPose = static_cast<const WbPose *>(this);
     translation = upperLinkRootPose->translationFrom(upperLinkRoot);
     eulerRotation = urdfRotation(upperLinkRootPose->rotationMatrixFrom(upperLinkRoot));

src/webots/nodes/WbBasicJoint.cpp

@@ -129,7 +129,7 @@ void WbBasicJoint::postFinalize() {
   }
   connect(mParameters, &WbSFNode::changed, this, &WbBasicJoint::updateParameters);
 
-  WbSolid *const s = solidEndPoint();
+  const WbSolid *const s = solidEndPoint();
   if (s) {
     connect(s, &WbSolid::positionChangedArtificially, this, &WbBasicJoint::updateEndPointPosition);
     updateEndPointPosition();

src/webots/nodes/WbCadShape.cpp

@@ -118,7 +118,7 @@ void WbCadShape::retrieveMaterials() {
     if (!newUrl.isEmpty()) {
       mObjMaterials.insert(material, newUrl);
       // prepare a downloader
-      WbDownloader *downloader = WbDownloadManager::instance()->createDownloader(QUrl(newUrl), this);
+      const WbDownloader *downloader = WbDownloadManager::instance()->createDownloader(QUrl(newUrl), this);
       connect(downloader, &WbDownloader::complete, this, &WbCadShape::materialDownloadTracker);
       mMaterialDownloaders.push_back(downloader);
     }

src/webots/nodes/WbHinge2Joint.cpp

@@ -582,7 +582,7 @@ void WbHinge2Joint::addDevice2(int index) {
     WbBaseNode *decendant = dynamic_cast<WbBaseNode *>(mDevice2->item(index));
     r->descendantNodeInserted(decendant);
   }
-  WbBrake *brake = dynamic_cast<WbBrake *>(mDevice2->item(index));
+  const WbBrake *brake = dynamic_cast<WbBrake *>(mDevice2->item(index));
   if (brake)
     connect(brake, &WbBrake::brakingChanged, this, &WbHinge2Joint::updateSpringAndDampingConstants, Qt::UniqueConnection);
 }

src/webots/nodes/WbJoint.cpp

@@ -152,7 +152,7 @@ void WbJoint::addDevice(int index) {
     WbBaseNode *decendant = dynamic_cast<WbBaseNode *>(mDevice->item(index));
     r->descendantNodeInserted(decendant);
   }
-  WbBrake *b = dynamic_cast<WbBrake *>(mDevice->item(index));
+  const WbBrake *b = dynamic_cast<WbBrake *>(mDevice->item(index));
   if (b)
     connect(b, &WbBrake::brakingChanged, this, &WbJoint::updateSpringAndDampingConstants, Qt::UniqueConnection);
 }

src/webots/nodes/WbLed.cpp

@@ -107,7 +107,7 @@ void WbLed::findMaterialsAndLights(const WbGroup *group) {
     WbBaseNode *const n = group->child(i);
     // cppcheck-suppress constVariablePointer
     WbLight *lightChild = dynamic_cast<WbLight *>(n);
-    WbGroup *groupChild = dynamic_cast<WbGroup *>(n);
+    const WbGroup *groupChild = dynamic_cast<WbGroup *>(n);
 
     if (n->nodeType() == WB_NODE_SHAPE) {
       const WbAppearance *appearance = dynamic_cast<WbShape *>(n)->appearance();
@@ -120,7 +120,7 @@ void WbLed::findMaterialsAndLights(const WbGroup *group) {
         connect(appearance, &WbAppearance::fieldChanged, this, &WbLed::updateIfNeeded, Qt::UniqueConnection);
         connect(appearance->parentNode(), &WbShape::fieldChanged, this, &WbLed::updateIfNeeded, Qt::UniqueConnection);
       } else {
-        WbPbrAppearance *pbrAppearance = dynamic_cast<WbShape *>(n)->pbrAppearance();
+        const WbPbrAppearance *pbrAppearance = dynamic_cast<WbShape *>(n)->pbrAppearance();
         if (pbrAppearance) {
           mPbrAppearances.append(pbrAppearance);