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39
40#include "scene_p.h"
41#include <Qt3DCore/qentity.h>
42#include <Qt3DCore/private/qnode_p.h>
43#include <Qt3DCore/private/qscene_p.h>
44#include <Qt3DCore/private/qdownloadhelperservice_p.h>
45#include <Qt3DRender/qsceneloader.h>
46#include <Qt3DRender/private/qsceneloader_p.h>
47#include <Qt3DRender/private/scenemanager_p.h>
48#include <QtCore/qcoreapplication.h>
49
50QT_BEGIN_NAMESPACE
51
52using namespace Qt3DCore;
53
54namespace Qt3DRender {
55namespace Render {
56
57Scene::Scene()
58 : BackendNode(QBackendNode::ReadWrite)
59 , m_sceneManager(nullptr)
60{
61}
62
63void Scene::cleanup()
64{
65 m_source.clear();
66}
67
68void Scene::syncFromFrontEnd(const Qt3DCore::QNode *frontEnd, bool firstTime)
69{
70 const QSceneLoader *node = qobject_cast<const QSceneLoader *>(object: frontEnd);
71 if (!node)
72 return;
73
74 BackendNode::syncFromFrontEnd(frontEnd, firstTime);
75
76 if (node->source() != m_source) {
77 m_source = node->source();
78 if (m_source.isEmpty() || Qt3DCore::QDownloadHelperService::isLocal(url: m_source))
79 m_sceneManager->addSceneData(source: m_source, sceneUuid: peerId());
80 else
81 m_sceneManager->startSceneDownload(source: m_source, sceneUuid: peerId());
82
83 const auto d = static_cast<const QSceneLoaderPrivate *>(Qt3DCore::QNodePrivate::get(q: node));
84 const_cast<QSceneLoaderPrivate *>(d)->setStatus(QSceneLoader::Loading);
85 }
86 markDirty(changes: AbstractRenderer::AllDirty);
87}
88
89QUrl Scene::source() const
90{
91 return m_source;
92}
93
94void Scene::setSceneManager(SceneManager *manager)
95{
96 if (m_sceneManager != manager)
97 m_sceneManager = manager;
98}
99
100RenderSceneFunctor::RenderSceneFunctor(AbstractRenderer *renderer, SceneManager *sceneManager)
101 : m_sceneManager(sceneManager)
102 , m_renderer(renderer)
103{
104}
105
106Qt3DCore::QBackendNode *RenderSceneFunctor::create(const Qt3DCore::QNodeCreatedChangeBasePtr &change) const
107{
108 Scene *scene = m_sceneManager->getOrCreateResource(id: change->subjectId());
109 scene->setSceneManager(m_sceneManager);
110 scene->setRenderer(m_renderer);
111 return scene;
112}
113
114Qt3DCore::QBackendNode *RenderSceneFunctor::get(Qt3DCore::QNodeId id) const
115{
116 return m_sceneManager->lookupResource(id);
117}
118
119void RenderSceneFunctor::destroy(Qt3DCore::QNodeId id) const
120{
121 m_sceneManager->releaseResource(id);
122}
123
124} // namespace Render
125} // namespace Qt3DRender
126
127QT_END_NAMESPACE
128

source code of qt3d/src/render/io/scene.cpp