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39 | |
40 | #ifndef QT3DRENDER_RENDER_ENTITYVISITOR_H |
41 | #define QT3DRENDER_RENDER_ENTITYVISITOR_H |
42 | |
43 | // |
44 | // W A R N I N G |
45 | // ------------- |
46 | // |
47 | // This file is not part of the Qt API. It exists for the convenience |
48 | // of other Qt classes. This header file may change from version to |
49 | // version without notice, or even be removed. |
50 | // |
51 | // We mean it. |
52 | // |
53 | |
54 | #include <qglobal.h> |
55 | |
56 | QT_BEGIN_NAMESPACE |
57 | |
58 | namespace Qt3DRender { |
59 | namespace Render { |
60 | |
61 | class Entity; |
62 | class NodeManagers; |
63 | |
64 | class Q_AUTOTEST_EXPORT EntityVisitor |
65 | { |
66 | public: |
67 | enum Operation { |
68 | Continue, //! continue traversal |
69 | Prune, //! don't traverse children |
70 | Stop //! abort traversal |
71 | }; |
72 | |
73 | EntityVisitor(NodeManagers *manager); |
74 | virtual ~EntityVisitor(); |
75 | |
76 | virtual Operation visit(Entity *entity = nullptr); |
77 | |
78 | bool pruneDisabled() const; |
79 | void setPruneDisabled(bool pruneDisabled); |
80 | |
81 | bool apply(Entity *root); |
82 | |
83 | protected: |
84 | NodeManagers *m_manager; |
85 | |
86 | private: |
87 | bool m_pruneDisabled; |
88 | }; |
89 | |
90 | } // namespace Render |
91 | } // namespace Qt3DRender |
92 | |
93 | QT_END_NAMESPACE |
94 | |
95 | #endif // QT3DRENDER_RENDER_ENTITYVISITOR_H |
96 | |