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| |
| #ifndef QT3DRENDER_RENDER_PICKBOUNDINGVOLUMEUTILS_H |
| #define QT3DRENDER_RENDER_PICKBOUNDINGVOLUMEUTILS_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists for the convenience |
| // of other Qt classes. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include <Qt3DCore/QNodeId> |
| #include <Qt3DRender/QAbstractRayCaster> |
| #include <Qt3DRender/private/qray3d_p.h> |
| #include <Qt3DRender/private/qraycastingservice_p.h> |
| #include <Qt3DRender/qpickingsettings.h> |
| |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QSurface; |
| |
| namespace Qt3DRender { |
| namespace RayCasting { |
| class QAbstractCollisionQueryService; |
| } |
| |
| namespace Render { |
| |
| class Entity; |
| class Renderer; |
| class FrameGraphNode; |
| class NodeManagers; |
| |
| namespace PickingUtils { |
| |
| struct Q_AUTOTEST_EXPORT ViewportCameraAreaDetails |
| { |
| Qt3DCore::QNodeId cameraId; |
| Qt3DCore::QNodeId viewportNodeId; |
| QRectF viewport; |
| QSize area; |
| QSurface *surface = nullptr; |
| }; |
| QT3D_DECLARE_TYPEINFO_3(Qt3DRender, Render, PickingUtils, ViewportCameraAreaDetails, Q_PRIMITIVE_TYPE) |
| |
| class Q_AUTOTEST_EXPORT ViewportCameraAreaGatherer |
| { |
| public: |
| ViewportCameraAreaGatherer(const Qt3DCore::QNodeId &nodeId = Qt3DCore::QNodeId()) : m_targetCamera(nodeId) { } |
| QVector<ViewportCameraAreaDetails> gather(FrameGraphNode *root); |
| |
| private: |
| Qt3DCore::QNodeId m_targetCamera; |
| QVector<FrameGraphNode *> m_leaves; |
| |
| void visit(FrameGraphNode *node); |
| ViewportCameraAreaDetails gatherUpViewportCameraAreas(Render::FrameGraphNode *node) const; |
| bool isUnique(const QVector<ViewportCameraAreaDetails> &vcaList, const ViewportCameraAreaDetails &vca) const; |
| }; |
| |
| typedef QVector<RayCasting::QCollisionQueryResult::Hit> HitList; |
| |
| class Q_AUTOTEST_EXPORT HierarchicalEntityPicker |
| { |
| public: |
| explicit HierarchicalEntityPicker(const RayCasting::QRay3D &ray, bool requireObjectPicker = true); |
| |
| void setFilterLayers(const Qt3DCore::QNodeIdVector &layerIds, QAbstractRayCaster::FilterMode mode); |
| |
| bool collectHits(NodeManagers *manager, Entity *root); |
| inline HitList hits() const { return m_hits; } |
| inline QVector<Entity *> entities() const { return m_entities; } |
| inline QHash<Qt3DCore::QNodeId, int> entityToPriorityTable() const { return m_entityToPriorityTable; } |
| |
| private: |
| RayCasting::QRay3D m_ray; |
| HitList m_hits; |
| QVector<Entity *> m_entities; |
| bool m_objectPickersRequired; |
| Qt3DCore::QNodeIdVector m_layerIds; |
| QAbstractRayCaster::FilterMode m_filterMode; |
| QHash<Qt3DCore::QNodeId, int> m_entityToPriorityTable; |
| }; |
| |
| struct Q_AUTOTEST_EXPORT AbstractCollisionGathererFunctor |
| { |
| AbstractCollisionGathererFunctor(); |
| virtual ~AbstractCollisionGathererFunctor(); |
| |
| bool m_objectPickersRequired = true; |
| NodeManagers *m_manager = nullptr; |
| RayCasting::QRay3D m_ray; |
| QHash<Qt3DCore::QNodeId, int> m_entityToPriorityTable; |
| |
| virtual HitList computeHits(const QVector<Entity *> &entities, Qt3DRender::QPickingSettings::PickResultMode mode) = 0; |
| |
| // This define is required to work with QtConcurrent |
| typedef HitList result_type; |
| HitList operator ()(const Entity *entity) const; |
| virtual HitList pick(const Entity *entity) const = 0; |
| |
| bool rayHitsEntity(const Entity *entity) const; |
| static void sortHits(HitList &results); |
| }; |
| |
| struct Q_AUTOTEST_EXPORT EntityCollisionGathererFunctor : public AbstractCollisionGathererFunctor |
| { |
| HitList computeHits(const QVector<Entity *> &entities, Qt3DRender::QPickingSettings::PickResultMode mode) override; |
| HitList pick(const Entity *entity) const override; |
| }; |
| |
| struct Q_AUTOTEST_EXPORT TriangleCollisionGathererFunctor : public AbstractCollisionGathererFunctor |
| { |
| bool m_frontFaceRequested; |
| bool m_backFaceRequested; |
| |
| HitList computeHits(const QVector<Entity *> &entities, Qt3DRender::QPickingSettings::PickResultMode mode) override; |
| HitList pick(const Entity *entity) const override; |
| }; |
| |
| struct Q_AUTOTEST_EXPORT LineCollisionGathererFunctor : public AbstractCollisionGathererFunctor |
| { |
| float m_pickWorldSpaceTolerance; |
| |
| HitList computeHits(const QVector<Entity *> &entities, Qt3DRender::QPickingSettings::PickResultMode mode) override; |
| HitList pick(const Entity *entity) const override; |
| }; |
| |
| struct Q_AUTOTEST_EXPORT PointCollisionGathererFunctor : public AbstractCollisionGathererFunctor |
| { |
| float m_pickWorldSpaceTolerance; |
| |
| HitList computeHits(const QVector<Entity *> &entities, Qt3DRender::QPickingSettings::PickResultMode mode) override; |
| HitList pick(const Entity *entity) const override; |
| }; |
| |
| } // PickingUtils |
| |
| } // Render |
| |
| } // Qt3DRender |
| |
| QT_END_NAMESPACE |
| |
| #endif // QT3DRENDER_RENDER_PICKBOUNDINGVOLUMEUTILS_H |