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| |
| #include "qcameraselector.h" |
| #include "qcameraselector_p.h" |
| #include <Qt3DCore/qentity.h> |
| #include <Qt3DCore/private/qentity_p.h> |
| #include <Qt3DRender/qframegraphnodecreatedchange.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace Qt3DRender { |
| |
| /*! |
| \class Qt3DRender::QCameraSelector |
| \inmodule Qt3DRender |
| \since 5.5 |
| \ingroup framegraph |
| |
| \brief Class to allow for selection of camera to be used. |
| |
| A Qt3DRender::QCameraSelector can be used to select the camera, which is used |
| by the FrameGraph when drawing the entities. |
| */ |
| |
| /*! |
| \qmltype CameraSelector |
| \inqmlmodule Qt3D.Render |
| \instantiates Qt3DRender::QCameraSelector |
| \inherits FrameGraphNode |
| \since 5.5 |
| \brief Class to allow for selection of camera to be used. |
| |
| A CameraSelector can be used to select the camera, which is used |
| by the FrameGraph when drawing the entities. |
| */ |
| |
| /*! |
| \qmlproperty Entity Qt3D.Render::CameraSelector::camera |
| |
| Holds the currently selected camera. |
| */ |
| |
| /*! |
| \property Qt3DRender::QCameraSelector::camera |
| |
| Holds the currently selected camera. |
| */ |
| |
| |
| /*! \internal */ |
| QCameraSelector::QCameraSelector(QCameraSelectorPrivate &dd, QNode *parent) |
| : QFrameGraphNode(dd, parent) |
| { |
| } |
| |
| QCameraSelectorPrivate::QCameraSelectorPrivate() |
| : QFrameGraphNodePrivate() |
| , m_camera(nullptr) |
| { |
| } |
| |
| /*! |
| The constructor creates an instance with the specified \a parent. |
| */ |
| QCameraSelector::QCameraSelector(Qt3DCore::QNode *parent) |
| : QFrameGraphNode(*new QCameraSelectorPrivate, parent) |
| { |
| } |
| |
| /*! \internal */ |
| QCameraSelector::~QCameraSelector() |
| { |
| } |
| |
| void QCameraSelector::setCamera(Qt3DCore::QEntity *camera) |
| { |
| Q_D(QCameraSelector); |
| if (d->m_camera != camera) { |
| |
| if (d->m_camera) |
| d->unregisterDestructionHelper(d->m_camera); |
| |
| // We need to add it as a child of the current node if it has been declared inline |
| // Or not previously added as a child of the current node so that |
| // 1) The backend gets notified about it's creation |
| // 2) When the current node is destroyed, it gets destroyed as well |
| if (camera && !camera->parent()) |
| camera->setParent(this); |
| d->m_camera = camera; |
| |
| // Ensures proper bookkeeping |
| if (d->m_camera) |
| d->registerDestructionHelper(d->m_camera, &QCameraSelector::setCamera, d->m_camera); |
| |
| emit cameraChanged(camera); |
| } |
| } |
| |
| Qt3DCore::QEntity *QCameraSelector::camera() const |
| { |
| Q_D(const QCameraSelector); |
| return d->m_camera; |
| } |
| |
| Qt3DCore::QNodeCreatedChangeBasePtr QCameraSelector::createNodeCreationChange() const |
| { |
| auto creationChange = QFrameGraphNodeCreatedChangePtr<QCameraSelectorData>::create(this); |
| auto &data = creationChange->data; |
| Q_D(const QCameraSelector); |
| data.cameraId = qIdForNode(d->m_camera); |
| return creationChange; |
| } |
| |
| } // namespace Qt3DRender |
| |
| QT_END_NAMESPACE |