| 1 | // Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB). |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | #include "levelofdetail_p.h" |
| 5 | #include <Qt3DRender/QLevelOfDetail> |
| 6 | #include <Qt3DRender/private/qlevelofdetail_p.h> |
| 7 | #include <Qt3DRender/private/stringtoint_p.h> |
| 8 | #include <Qt3DRender/QCamera> |
| 9 | #include <QVariant> |
| 10 | |
| 11 | QT_BEGIN_NAMESPACE |
| 12 | |
| 13 | namespace Qt3DRender { |
| 14 | namespace Render { |
| 15 | |
| 16 | using namespace Qt3DCore; |
| 17 | |
| 18 | LevelOfDetail::LevelOfDetail() |
| 19 | : BackendNode(BackendNode::ReadWrite) |
| 20 | , m_currentIndex(0) |
| 21 | , m_thresholdType(QLevelOfDetail::DistanceToCameraThreshold) |
| 22 | , m_volumeOverride() |
| 23 | { |
| 24 | } |
| 25 | |
| 26 | LevelOfDetail::~LevelOfDetail() |
| 27 | { |
| 28 | cleanup(); |
| 29 | } |
| 30 | |
| 31 | void LevelOfDetail::syncFromFrontEnd(const Qt3DCore::QNode *frontEnd, bool firstTime) |
| 32 | { |
| 33 | const QLevelOfDetail *node = qobject_cast<const QLevelOfDetail *>(object: frontEnd); |
| 34 | if (!node) |
| 35 | return; |
| 36 | |
| 37 | const bool oldEnabled = isEnabled(); |
| 38 | BackendNode::syncFromFrontEnd(frontEnd, firstTime); |
| 39 | |
| 40 | const Qt3DCore::QNodeId cameraId = Qt3DCore::qIdForNode(node: node->camera()); |
| 41 | if (cameraId != m_camera) { |
| 42 | m_camera = cameraId; |
| 43 | markDirty(changes: AbstractRenderer::GeometryDirty); |
| 44 | } |
| 45 | |
| 46 | if (node->currentIndex() != m_currentIndex) { |
| 47 | m_currentIndex = node->currentIndex(); |
| 48 | markDirty(changes: AbstractRenderer::GeometryDirty); |
| 49 | } |
| 50 | |
| 51 | if (node->thresholdType() != m_thresholdType) { |
| 52 | m_thresholdType = node->thresholdType(); |
| 53 | markDirty(changes: AbstractRenderer::GeometryDirty); |
| 54 | } |
| 55 | |
| 56 | if (node->thresholds() != m_thresholds) { |
| 57 | m_thresholds = node->thresholds(); |
| 58 | markDirty(changes: AbstractRenderer::GeometryDirty); |
| 59 | } |
| 60 | |
| 61 | if (node->volumeOverride() != m_volumeOverride) { |
| 62 | m_volumeOverride = node->volumeOverride(); |
| 63 | markDirty(changes: AbstractRenderer::GeometryDirty); |
| 64 | } |
| 65 | |
| 66 | if (isEnabled() != oldEnabled || firstTime) |
| 67 | markDirty(changes: AbstractRenderer::LayersDirty); |
| 68 | } |
| 69 | |
| 70 | void LevelOfDetail::cleanup() |
| 71 | { |
| 72 | QBackendNode::setEnabled(false); |
| 73 | } |
| 74 | |
| 75 | void LevelOfDetail::setCurrentIndex(int currentIndex) |
| 76 | { |
| 77 | if (m_currentIndex != currentIndex) |
| 78 | m_currentIndex = currentIndex; |
| 79 | } |
| 80 | |
| 81 | } // namespace Render |
| 82 | } // namespace Qt3DRender |
| 83 | |
| 84 | QT_END_NAMESPACE |
| 85 |