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Diffstat (limited to 'doc/src/snippets/qtcluster/scenehelper.cpp')
| -rw-r--r-- | doc/src/snippets/qtcluster/scenehelper.cpp | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/doc/src/snippets/qtcluster/scenehelper.cpp b/doc/src/snippets/qtcluster/scenehelper.cpp new file mode 100644 index 000000000..0d0fd2c9a --- /dev/null +++ b/doc/src/snippets/qtcluster/scenehelper.cpp @@ -0,0 +1,219 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the documentation of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** BSD License Usage +** Alternatively, you may use this file under the terms of the BSD license +** as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of The Qt Company Ltd nor the names of its +** contributors may be used to endorse or promote products derived +** from this software without specific prior written permission. +** +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "scenehelper.h" + +QObject *SceneHelper::findEntity(Qt3DRender::QSceneLoader *loader, const QString &name) +{ + // The QSceneLoader instance is a component of an entity. The loaded scene + // tree is added under this entity. + QVector<Qt3DCore::QEntity *> entities = loader->entities(); + + if (entities.isEmpty()) + return 0; + + // Technically there could be multiple entities referencing the scene loader + // but sharing is discouraged, and in our case there will be one anyhow. + Qt3DCore::QEntity *root = entities[0]; + + // The scene structure and names always depend on the asset. + return root->findChild<Qt3DCore::QEntity *>(name); +} + +void SceneHelper::removeFromScene(Qt3DRender::QSceneLoader *loader, const QStringList &names) +{ + QVector<Qt3DCore::QEntity *> entities = loader->entities(); + + if (entities.isEmpty()) + return; + + Qt3DCore::QEntity *root = entities[0]; + + foreach (QString name, names) { + QObject *entity = root->findChild<Qt3DCore::QEntity *>(name); + entity->setParent(Q_NULLPTR); + } +} + +void SceneHelper::addBasicMaterials(Qt3DRender::QSceneLoader *loader, + Qt3DRender::QMaterial *material, QStringList names) +{ + QVector<Qt3DCore::QEntity *> entities = loader->entities(); + + if (entities.isEmpty()) + return; + + Qt3DCore::QEntity *root = entities[0]; + + addComponents(names, root, material); +} + +void SceneHelper::addTextureMaterial(Qt3DRender::QSceneLoader *loader, + Qt3DRender::QMaterial *material, QString name) +{ + QVector<Qt3DCore::QEntity *> entities = loader->entities(); + + if (entities.isEmpty()) + return; + + Qt3DCore::QEntity *root = entities[0]; + + addComponent(name, root, material); +} + +void SceneHelper::replaceMaterial(Qt3DRender::QSceneLoader *loader, const QString &name, + Qt3DRender::QMaterial *material) +{ + QVector<Qt3DCore::QEntity *> entities = loader->entities(); + + if (entities.isEmpty()) + return; + + Qt3DCore::QEntity *root = entities[0]; + Qt3DCore::QEntity *entity = root->findChild<Qt3DCore::QEntity *>(name); + if (entity) { +#if (QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)) + QVector<Qt3DCore::QComponent *> components = entity->components(); +#else + Qt3DCore::QComponentList components = entity->components(); +#endif + foreach (Qt3DCore::QComponent *comp, components) { + if (qobject_cast<Qt3DRender::QMaterial *>(comp)) { + entity->removeComponent(comp); + break; + } + } + entity->addComponent(material); + } +} + +void SceneHelper::addComponents(QStringList &names, Qt3DCore::QEntity *root, + Qt3DRender::QMaterial *material) +{ + foreach (QString name, names) { + Qt3DCore::QEntity *entity = root->findChild<Qt3DCore::QEntity *>(name); + if (entity) { +#if (QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)) + QVector<Qt3DCore::QComponent *> components = entity->components(); +#else + Qt3DCore::QComponentList components = entity->components(); +#endif + foreach (Qt3DCore::QComponent *comp, components) { + if (qobject_cast<Qt3DRender::QMaterial *>(comp)) { + //qDebug() << " removing " << comp; + entity->removeComponent(comp); + break; + } + } + entity->addComponent(material); + } + } +} + +void SceneHelper::searchCamera(Qt3DRender::QSceneLoader *loader, const QString &name) +{ + QVector<Qt3DCore::QEntity *> entities = loader->entities(); + + if (entities.isEmpty()) + return; + + Qt3DCore::QEntity *root = entities[0]; + Qt3DCore::QEntity *entity = root->findChild<Qt3DCore::QEntity *>(name); + //qDebug() << "Found entity " << entity; +#if (QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)) + QVector<Qt3DCore::QComponent *> components = entity->components(); +#else + Qt3DCore::QComponentList components = entity->components(); +#endif + foreach (Qt3DCore::QComponent *comp, components) { +#if (QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)) + if (qobject_cast<Qt3DRender::QCameraLens *>(comp)) { + Qt3DRender::QCameraLens *lens = qobject_cast<Qt3DRender::QCameraLens *>(comp); + Q_UNUSED(lens) + } +#else + if (qobject_cast<Qt3DCore::QCameraLens *>(comp)) { + Qt3DCore::QCameraLens *lens = qobject_cast<Qt3DCore::QCameraLens *>(comp); + } +#endif + + } +} + +void SceneHelper::addComponent(QString &name, Qt3DCore::QEntity *root, + Qt3DRender::QMaterial *material) +{ + + Qt3DCore::QEntity *entity = root->findChild<Qt3DCore::QEntity *>(name); + + if (entity) { +#if (QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)) + QVector<Qt3DCore::QComponent *> components = entity->components(); +#else + Qt3DCore::QComponentList components = entity->components(); +#endif + foreach (Qt3DCore::QComponent *comp, components) { + if (qobject_cast<Qt3DRender::QMaterial *>(comp)) { + entity->removeComponent(comp); + break; + } + } + + entity->addComponent(material); + } else { + + } +} + +void SceneHelper::addListEntry(const QVariant &list, QObject *entry) +{ + QQmlListReference ref = list.value<QQmlListReference>(); + ref.append(entry); +} |