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| |
| #include "abstractpickingjob_p.h" |
| #include <Qt3DRender/qgeometryrenderer.h> |
| #include <Qt3DRender/private/nodemanagers_p.h> |
| #include <Qt3DRender/private/entity_p.h> |
| #include <Qt3DRender/private/objectpicker_p.h> |
| #include <Qt3DRender/private/managers_p.h> |
| #include <Qt3DRender/private/geometryrenderer_p.h> |
| #include <Qt3DRender/private/rendersettings_p.h> |
| #include <Qt3DRender/private/trianglesvisitor_p.h> |
| #include <Qt3DRender/private/job_common_p.h> |
| #include <QtGui/qoffscreensurface.h> |
| #include <QtGui/qwindow.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace Qt3DRender { |
| |
| namespace Render { |
| |
| AbstractPickingJob::AbstractPickingJob() |
| : Qt3DCore::QAspectJob() |
| , m_manager(nullptr) |
| , m_node(nullptr) |
| , m_frameGraphRoot(nullptr) |
| , m_renderSettings(nullptr) |
| , m_oneEnabledAtLeast(false) |
| { |
| } |
| |
| AbstractPickingJob::AbstractPickingJob(Qt3DCore::QAspectJobPrivate &dd) |
| : Qt3DCore::QAspectJob(dd) |
| , m_manager(nullptr) |
| , m_node(nullptr) |
| , m_frameGraphRoot(nullptr) |
| , m_renderSettings(nullptr) |
| , m_oneEnabledAtLeast(false) |
| { |
| |
| } |
| |
| void AbstractPickingJob::setRoot(Entity *root) |
| { |
| m_node = root; |
| } |
| |
| void AbstractPickingJob::setFrameGraphRoot(FrameGraphNode *frameGraphRoot) |
| { |
| m_frameGraphRoot = frameGraphRoot; |
| } |
| |
| void AbstractPickingJob::setRenderSettings(RenderSettings *settings) |
| { |
| m_renderSettings = settings; |
| } |
| |
| void AbstractPickingJob::setManagers(NodeManagers *manager) |
| { |
| m_manager = manager; |
| } |
| |
| void AbstractPickingJob::run() |
| { |
| Q_ASSERT(m_frameGraphRoot && m_renderSettings && m_node && m_manager); |
| runHelper(); |
| } |
| |
| RayCasting::QRay3D AbstractPickingJob::intersectionRay(const QPoint &pos, const Matrix4x4 &viewMatrix, |
| const Matrix4x4 &projectionMatrix, const QRect &viewport) |
| { |
| Vector3D nearPos = Vector3D(pos.x(), pos.y(), 0.0f); |
| nearPos = nearPos.unproject(viewMatrix, projectionMatrix, viewport); |
| Vector3D farPos = Vector3D(pos.x(), pos.y(), 1.0f); |
| farPos = farPos.unproject(viewMatrix, projectionMatrix, viewport); |
| |
| return RayCasting::QRay3D(nearPos, |
| (farPos - nearPos).normalized(), |
| (farPos - nearPos).length()); |
| } |
| |
| QRect AbstractPickingJob::windowViewport(const QSize &area, const QRectF &relativeViewport) const |
| { |
| if (area.isValid()) { |
| const int areaWidth = area.width(); |
| const int areaHeight = area.height(); |
| return QRect(relativeViewport.x() * areaWidth, |
| (1.0 - relativeViewport.y() - relativeViewport.height()) * areaHeight, |
| relativeViewport.width() * areaWidth, |
| relativeViewport.height() * areaHeight); |
| } |
| return relativeViewport.toRect(); |
| } |
| |
| RayCasting::QRay3D AbstractPickingJob::rayForViewportAndCamera(const PickingUtils::ViewportCameraAreaDetails &vca, |
| QObject *eventSource, |
| const QPoint &pos) const |
| { |
| static RayCasting::QRay3D invalidRay({}, {}, 0.f); |
| |
| if (!vca.area.isValid()) |
| return invalidRay; |
| |
| Matrix4x4 viewMatrix; |
| Matrix4x4 projectionMatrix; |
| Render::CameraLens::viewMatrixForCamera(m_manager->renderNodesManager(), |
| vca.cameraId, |
| viewMatrix, |
| projectionMatrix); |
| // Returns viewport rect in GL coordinates (y inverted) |
| const QRect viewport = windowViewport(vca.area, vca.viewport); |
| // In GL the y is inverted compared to Qt |
| const QPoint glCorrectPos = QPoint(pos.x(), vca.area.height() - pos.y()); |
| |
| if (!viewport.contains(glCorrectPos)) |
| return invalidRay; |
| if (vca.surface) { |
| QSurface *surface = nullptr; |
| if (eventSource) { |
| QWindow *window = qobject_cast<QWindow *>(eventSource); |
| if (window) { |
| surface = static_cast<QSurface *>(window); |
| } else { |
| QOffscreenSurface *offscreen = qobject_cast<QOffscreenSurface *>(eventSource); |
| if (offscreen) |
| surface = static_cast<QSurface *>(offscreen); |
| } |
| } |
| if (surface && vca.surface != surface) |
| return invalidRay; |
| } |
| |
| const auto ray = intersectionRay(glCorrectPos, viewMatrix, projectionMatrix, viewport); |
| return ray; |
| } |
| |
| } // namespace Render |
| |
| } // namespace Qt3DRender |
| |
| QT_END_NAMESPACE |