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39
40#ifndef QT3DRENDER_RENDER_FILTERENTITYBYCOMPONENTJOB_H
41#define QT3DRENDER_RENDER_FILTERENTITYBYCOMPONENTJOB_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 <Qt3DCore/qaspectjob.h>
55#include <Qt3DCore/qnodeid.h>
56#include <Qt3DRender/private/managers_p.h>
57#include <Qt3DRender/private/entity_p.h>
58#include <Qt3DRender/private/job_common_p.h>
59
60QT_BEGIN_NAMESPACE
61
62namespace Qt3DRender {
63
64namespace Render {
65
66class Entity;
67class EntityManager;
68
69template<typename T, typename ... Ts>
70class FilterEntityByComponentJob : public Qt3DCore::QAspectJob
71{
72public:
73 FilterEntityByComponentJob()
74 : Qt3DCore::QAspectJob()
75 , m_manager(nullptr)
76 {
77 SET_JOB_RUN_STAT_TYPE(this, JobTypes::EntityComponentTypeFiltering, 0)
78 }
79
80 inline void setManager(EntityManager *manager) Q_DECL_NOTHROW { m_manager = manager; }
81 inline QVector<Entity *> &filteredEntities() Q_DECL_NOTHROW { return m_filteredEntities; }
82
83 void run() override
84 {
85 m_filteredEntities.clear();
86 const std::vector<HEntity> &handles = m_manager->activeHandles();
87 m_filteredEntities.reserve(size: handles.size());
88 for (const HEntity &handle : handles) {
89 Entity *e = m_manager->data(handle);
90 if (e->containsComponentsOfType<T, Ts...>())
91 m_filteredEntities.push_back(t: e);
92 }
93 }
94
95private:
96 EntityManager *m_manager;
97 QVector<Entity *> m_filteredEntities;
98};
99
100template<typename T, typename ... Ts>
101using FilterEntityByComponentJobPtr = QSharedPointer<FilterEntityByComponentJob<T, Ts...>>;
102
103} // Render
104
105} // Qt3DRender
106
107QT_END_NAMESPACE
108#endif // QT3DRENDER_RENDER_FILTERENTITYBYCOMPONENTJOB_H
109

source code of qt3d/src/render/jobs/filterentitybycomponentjob_p.h