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| 2 | ** |
| 3 | ** Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB). |
| 4 | ** Contact: https://www.qt.io/licensing/ |
| 5 | ** |
| 6 | ** This file is part of the Qt3D module of the Qt Toolkit. |
| 7 | ** |
| 8 | ** $QT_BEGIN_LICENSE:LGPL$ |
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| 17 | ** GNU Lesser General Public License Usage |
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| 19 | ** General Public License version 3 as published by the Free Software |
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| 24 | ** |
| 25 | ** GNU General Public License Usage |
| 26 | ** Alternatively, this file may be used under the terms of the GNU |
| 27 | ** General Public License version 2.0 or (at your option) the GNU General |
| 28 | ** Public license version 3 or any later version approved by the KDE Free |
| 29 | ** Qt Foundation. The licenses are as published by the Free Software |
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| 35 | ** |
| 36 | ** $QT_END_LICENSE$ |
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| 38 | ****************************************************************************/ |
| 39 | |
| 40 | #include "computefilteredboundingvolumejob_p.h" |
| 41 | |
| 42 | #include <Qt3DRender/private/entity_p.h> |
| 43 | #include <Qt3DRender/private/renderlogging_p.h> |
| 44 | #include <Qt3DRender/private/sphere_p.h> |
| 45 | #include <Qt3DRender/private/job_common_p.h> |
| 46 | #include <Qt3DRender/private/managers_p.h> |
| 47 | #include <Qt3DRender/private/nodemanagers_p.h> |
| 48 | |
| 49 | #include <QThread> |
| 50 | |
| 51 | QT_BEGIN_NAMESPACE |
| 52 | |
| 53 | namespace Qt3DRender { |
| 54 | namespace Render { |
| 55 | |
| 56 | namespace { |
| 57 | |
| 58 | void expandWorldBoundingVolume(NodeManagers *manager, |
| 59 | Qt3DRender::Render::Sphere *sphere, |
| 60 | Qt3DRender::Render::Entity *node, |
| 61 | Qt3DRender::Render::Entity *excludeSubTree) |
| 62 | { |
| 63 | Qt3DRender::Render::Sphere childSphere(*node->worldBoundingVolume()); |
| 64 | // Go to the nodes that have the most depth |
| 65 | const auto childrenHandles = node->childrenHandles(); |
| 66 | for (const HEntity &handle : childrenHandles) { |
| 67 | Entity *c = manager->renderNodesManager()->data(handle); |
| 68 | if (c && c != excludeSubTree) |
| 69 | expandWorldBoundingVolume(manager, sphere: &childSphere, node: c, excludeSubTree); |
| 70 | } |
| 71 | sphere->expandToContain(sphere: childSphere); |
| 72 | } |
| 73 | |
| 74 | } // namespace |
| 75 | |
| 76 | class ComputeFilteredBoundingVolumeJobPrivate : public Qt3DCore::QAspectJobPrivate |
| 77 | { |
| 78 | public: |
| 79 | ComputeFilteredBoundingVolumeJobPrivate(ComputeFilteredBoundingVolumeJob *job) : Qt3DCore::QAspectJobPrivate(), m_job(job) {} |
| 80 | ~ComputeFilteredBoundingVolumeJobPrivate() {} |
| 81 | |
| 82 | void postFrame(Qt3DCore::QAspectManager *aspectManager) override; |
| 83 | |
| 84 | ComputeFilteredBoundingVolumeJob *m_job; |
| 85 | Qt3DRender::Render::Sphere m_sphere; |
| 86 | }; |
| 87 | |
| 88 | ComputeFilteredBoundingVolumeJob::ComputeFilteredBoundingVolumeJob() |
| 89 | : Qt3DCore::QAspectJob(*new ComputeFilteredBoundingVolumeJobPrivate(this)) |
| 90 | , m_root(nullptr) |
| 91 | , m_ignoreSubTree(nullptr) |
| 92 | , m_manager(nullptr) |
| 93 | { |
| 94 | SET_JOB_RUN_STAT_TYPE(this, JobTypes::ExpandBoundingVolume, 0) |
| 95 | } |
| 96 | |
| 97 | void ComputeFilteredBoundingVolumeJob::setRoot(Entity *root) |
| 98 | { |
| 99 | m_root = root; |
| 100 | } |
| 101 | |
| 102 | void ComputeFilteredBoundingVolumeJob::setManagers(NodeManagers *manager) |
| 103 | { |
| 104 | m_manager = manager; |
| 105 | } |
| 106 | |
| 107 | void ComputeFilteredBoundingVolumeJob::ignoreSubTree(Entity *node) |
| 108 | { |
| 109 | m_ignoreSubTree = node; |
| 110 | } |
| 111 | |
| 112 | void ComputeFilteredBoundingVolumeJob::run() |
| 113 | { |
| 114 | qCDebug(Jobs) << "Entering" << Q_FUNC_INFO << QThread::currentThread(); |
| 115 | Q_D(ComputeFilteredBoundingVolumeJob); |
| 116 | d->m_sphere = {}; |
| 117 | |
| 118 | if (!m_root) |
| 119 | return; |
| 120 | if (!m_ignoreSubTree) { |
| 121 | d->m_sphere = *m_root->worldBoundingVolumeWithChildren(); |
| 122 | return; |
| 123 | } |
| 124 | |
| 125 | bool isFilterChildOfRoot = false; |
| 126 | Entity *parent = m_ignoreSubTree->parent(); |
| 127 | while (parent) { |
| 128 | if (parent == m_root) { |
| 129 | isFilterChildOfRoot = true; |
| 130 | break; |
| 131 | } |
| 132 | parent = parent->parent(); |
| 133 | } |
| 134 | if (!isFilterChildOfRoot) { |
| 135 | d->m_sphere = *m_root->worldBoundingVolumeWithChildren(); |
| 136 | return; |
| 137 | } |
| 138 | |
| 139 | expandWorldBoundingVolume(manager: m_manager, sphere: &d->m_sphere, node: m_root, excludeSubTree: m_ignoreSubTree); |
| 140 | |
| 141 | qCDebug(Jobs) << "Exiting" << Q_FUNC_INFO << QThread::currentThread(); |
| 142 | } |
| 143 | |
| 144 | void ComputeFilteredBoundingVolumeJob::finished(Qt3DCore::QAspectManager *aspectManager, const Qt3DRender::Render::Sphere &sphere) |
| 145 | { |
| 146 | Q_UNUSED(aspectManager) |
| 147 | Q_UNUSED(sphere) |
| 148 | } |
| 149 | |
| 150 | void ComputeFilteredBoundingVolumeJobPrivate::postFrame(Qt3DCore::QAspectManager *aspectManager) |
| 151 | { |
| 152 | m_job->finished(aspectManager, sphere: m_sphere); |
| 153 | } |
| 154 | |
| 155 | } // namespace Render |
| 156 | } // namespace Qt3DRender |
| 157 | |
| 158 | QT_END_NAMESPACE |
| 159 | |