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39
40#include "scenemanager_p.h"
41
42QT_BEGIN_NAMESPACE
43
44namespace Qt3DRender {
45namespace Render {
46
47SceneManager::SceneManager()
48 : Qt3DCore::QResourceManager<Scene,
49 Qt3DCore::QNodeId,
50 Qt3DCore::ObjectLevelLockingPolicy>()
51 , m_service(nullptr)
52{
53}
54
55SceneManager::~SceneManager()
56{
57}
58
59void SceneManager::setDownloadService(Qt3DCore::QDownloadHelperService *service)
60{
61 m_service = service;
62}
63
64void SceneManager::addSceneData(const QUrl &source,
65 Qt3DCore::QNodeId sceneUuid,
66 const QByteArray &data)
67{
68 LoadSceneJobPtr newJob(new LoadSceneJob(source, sceneUuid));
69
70 if (!data.isEmpty())
71 newJob->setData(data);
72
73 // We cannot run two jobs that use the same scene loader plugin
74 // in two different threads at the same time
75 if (!m_pendingJobs.isEmpty())
76 newJob->addDependency(dependency: m_pendingJobs.last());
77
78 m_pendingJobs.push_back(t: newJob);
79}
80
81QVector<LoadSceneJobPtr> SceneManager::takePendingSceneLoaderJobs()
82{
83 // Explicitly use std::move to clear the m_pendingJobs vector
84 return std::move(m_pendingJobs);
85}
86
87void SceneManager::startSceneDownload(const QUrl &source, Qt3DCore::QNodeId sceneUuid)
88{
89 if (!m_service)
90 return;
91 SceneDownloaderPtr request = SceneDownloaderPtr::create(arguments: source, arguments&: sceneUuid, arguments: this);
92 m_pendingDownloads << request;
93 m_service->submitRequest(request);
94}
95
96void SceneManager::clearSceneDownload(SceneDownloader *downloader)
97{
98 for (auto it = m_pendingDownloads.begin(); it != m_pendingDownloads.end(); ++it) {
99 if ((*it).data() == downloader) {
100 m_pendingDownloads.erase(pos: it);
101 return;
102 }
103 }
104}
105
106
107SceneDownloader::SceneDownloader(const QUrl &source, Qt3DCore::QNodeId sceneComponent, SceneManager *manager)
108 : Qt3DCore::QDownloadRequest(source)
109 , m_sceneComponent(sceneComponent)
110 , m_manager(manager)
111{
112
113}
114
115void SceneDownloader::onCompleted()
116{
117 if (!m_manager)
118 return;
119 if (succeeded())
120 m_manager->addSceneData(source: url(), sceneUuid: m_sceneComponent, data: m_data);
121 else
122 qWarning() << "Failed to download scene at" << url();
123 m_manager->clearSceneDownload(downloader: this);
124}
125
126} // namespace Render
127} // namespace Qt3DRender
128
129QT_END_NAMESPACE
130

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