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diff --git a/tests/manual/cylinder-parent-test/main.cpp b/tests/manual/cylinder-parent-test/main.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2019 Klaralvdalens Datakonsult AB (KDAB).
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt3D module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** 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.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QGuiApplication>
+#include <QTimer>
+
+#include <Qt3DInput/QInputAspect>
+
+#include <Qt3DRender/qcamera.h>
+#include <Qt3DRender/qcameralens.h>
+#include <Qt3DExtras/qcylindermesh.h>
+#include <Qt3DRender/qmesh.h>
+#include <Qt3DRender/qtechnique.h>
+#include <Qt3DExtras/qphongmaterial.h>
+#include <Qt3DRender/qeffect.h>
+#include <Qt3DRender/qtexture.h>
+#include <Qt3DRender/qrenderpass.h>
+#include <Qt3DRender/qrenderaspect.h>
+#include <Qt3DExtras/qforwardrenderer.h>
+
+#include <Qt3DCore/qentity.h>
+#include <Qt3DCore/qtransform.h>
+#include <Qt3DCore/qaspectengine.h>
+
+#include <Qt3DExtras/qt3dwindow.h>
+#include <Qt3DExtras/qorbitcameracontroller.h>
+#include <QThread>
+#include <QLoggingCategory>
+
+#include <type_traits>
+
+int main(int argc, char **argv)
+{
+ QGuiApplication app(argc, argv);
+ Qt3DExtras::Qt3DWindow view;
+
+ QLoggingCategory::setFilterRules("Qt3D.Renderer.RenderNodes=true");
+
+ // Root entity
+ Qt3DCore::QEntity *rootEntity = new Qt3DCore::QEntity();
+ view.setRootEntity(rootEntity);
+ rootEntity->setObjectName("Root Entity");
+
+ // Set root object of the scene
+ view.show();
+
+ // Camera
+ Qt3DRender::QCamera *camera = view.camera();
+ camera->lens()->setPerspectiveProjection(45.0f, 16.0f / 9.0f, 0.1f, 1000.0f);
+ camera->setPosition(QVector3D(0, 0, 20.0f));
+ camera->setUpVector(QVector3D(0, 1, 0));
+ camera->setViewCenter(QVector3D(0, 0, 0));
+
+ // For camera controls
+ Qt3DExtras::QOrbitCameraController *cameraController = new Qt3DExtras::QOrbitCameraController(rootEntity);
+ cameraController->setCamera(camera);
+
+ // Cylinder shape data
+ Qt3DExtras::QCylinderMesh *mesh = new Qt3DExtras::QCylinderMesh();
+
+ qDebug() << "Setup complete. Creating cylinders\n";
+
+ // simple setParent from nullptr (OK for QTBUG-73905)
+ // green cylinder, bottom left
+ {
+ Qt3DCore::QTransform *leftTransform = new Qt3DCore::QTransform;
+ leftTransform->setTranslation(QVector3D(-5, -2, 0));
+ leftTransform->setObjectName("Green transform");
+
+ Qt3DExtras::QPhongMaterial *greenMaterial = new Qt3DExtras::QPhongMaterial(rootEntity);
+ greenMaterial->setObjectName("Green Material");
+ greenMaterial->setDiffuse(Qt::green);
+
+ Qt3DCore::QEntity *grandParentNode = new Qt3DCore::QEntity();
+ Qt3DCore::QEntity *parentNode = new Qt3DCore::QEntity();
+ Qt3DCore::QEntity *leafNode = new Qt3DCore::QEntity();
+ grandParentNode->setObjectName("Green Grandparent");
+ parentNode->setObjectName("Green Parent");
+ leafNode->setObjectName("Green Leaf");
+
+ leafNode->addComponent(mesh);
+ leafNode->addComponent(greenMaterial);
+ parentNode->addComponent(leftTransform);
+
+ grandParentNode->setParent(rootEntity);
+ parentNode->setParent(grandParentNode);
+ leafNode->setParent(parentNode);
+ }
+
+ // simple setParent from rootEntity (doesn't work QTBUG-73905)
+ // yellow cylinder, top left
+ {
+ Qt3DCore::QTransform *leftTransform = new Qt3DCore::QTransform;
+ leftTransform->setTranslation(QVector3D(-5, 2, 0));
+ leftTransform->setObjectName("Yellow Transform");
+
+ Qt3DExtras::QPhongMaterial *yellowMaterial = new Qt3DExtras::QPhongMaterial(rootEntity);
+ yellowMaterial->setObjectName("Yellow Material");
+ yellowMaterial->setDiffuse(Qt::yellow);
+
+ Qt3DCore::QEntity *grandParentNode = new Qt3DCore::QEntity(rootEntity);
+ Qt3DCore::QEntity *parentNode = new Qt3DCore::QEntity(rootEntity);
+ Qt3DCore::QEntity *leafNode = new Qt3DCore::QEntity(rootEntity);
+ leafNode->setObjectName("Yellow Leaf");
+ grandParentNode->setObjectName("Yellow Grandparent");
+ parentNode->setObjectName("Yellow Parent");
+
+ leafNode->addComponent(mesh);
+ leafNode->addComponent(yellowMaterial);
+ parentNode->addComponent(leftTransform);
+
+ // sometimes this can change things
+ //QCoreApplication::processEvents();
+
+ grandParentNode->setParent(rootEntity);
+ parentNode->setParent(grandParentNode);
+ leafNode->setParent(parentNode);
+ }
+
+ // complex setParent from nullptr (OK QTBUG-73905?)
+ // red cylinder, Bottom-right
+ {
+ Qt3DCore::QNode *tree1node1 = new Qt3DCore::QNode();
+ Qt3DCore::QEntity *tree1node2 = new Qt3DCore::QEntity();
+ Qt3DCore::QNode *tree1node3 = new Qt3DCore::QNode();
+ tree1node1->setObjectName("Red Tree1-Node1");
+ tree1node2->setObjectName("Red Tree1-Node2");
+ tree1node3->setObjectName("Red Tree1-Node3");
+
+ Qt3DCore::QNode *tree2node1 = new Qt3DCore::QNode();
+ Qt3DCore::QEntity *tree2node2 = new Qt3DCore::QEntity();
+ Qt3DCore::QNode *tree2node3 = new Qt3DCore::QNode();
+ tree2node1->setObjectName("Red Tree2-Node1");
+ tree2node2->setObjectName("Red Tree2-Node2");
+ tree2node3->setObjectName("Red Tree2-Node3");
+
+ Qt3DCore::QTransform *wrongRedTransform = new Qt3DCore::QTransform;
+ wrongRedTransform->setTranslation(QVector3D(1, -1, 0));
+ Qt3DCore::QTransform *bottomRightTransform = new Qt3DCore::QTransform;
+ bottomRightTransform->setTranslation(QVector3D(5, -2, 0));
+ bottomRightTransform->setObjectName("Red BR Transform");
+ wrongRedTransform->setObjectName("Red Wrong Transform");
+
+ Qt3DExtras::QPhongMaterial *redMaterial = new Qt3DExtras::QPhongMaterial(rootEntity);
+ redMaterial->setDiffuse(Qt::red);
+ redMaterial->setObjectName("Red Material");
+ Qt3DCore::QEntity *leafNode = new Qt3DCore::QEntity();
+ leafNode->setObjectName("Red Leaf");
+ leafNode->addComponent(mesh);
+ leafNode->addComponent(redMaterial);
+
+ tree1node2->addComponent(wrongRedTransform);
+ tree2node2->addComponent(bottomRightTransform);
+
+ tree1node1->setParent(rootEntity);
+ tree1node2->setParent(tree1node1);
+ tree1node3->setParent(tree1node2);
+
+ tree2node1->setParent(rootEntity);
+ tree2node2->setParent(tree2node1);
+ tree2node3->setParent(tree2node2);
+
+ leafNode->setParent(tree1node3);
+ leafNode->setParent(tree2node3);
+ }
+
+ // complex setParent from rootEntity (doesn't work QTBUG-73905)
+ // blue cylinder, top right
+ {
+ Qt3DCore::QNode *tree1node1 = new Qt3DCore::QNode(rootEntity);
+ Qt3DCore::QEntity *tree1node2 = new Qt3DCore::QEntity(rootEntity);
+ Qt3DCore::QNode *tree1node3 = new Qt3DCore::QNode(rootEntity);
+ tree1node1->setObjectName("Blue Tree1-Node1");
+ tree1node2->setObjectName("Blue Tree1-Node2");
+ tree1node3->setObjectName("Blue Tree1-Node3");
+
+ Qt3DCore::QNode *tree2node1 = new Qt3DCore::QNode(rootEntity);
+ Qt3DCore::QEntity *tree2node2 = new Qt3DCore::QEntity(rootEntity);
+ Qt3DCore::QNode *tree2node3 = new Qt3DCore::QNode(rootEntity);
+ tree2node1->setObjectName("Blue Tree2-Node1");
+ tree2node2->setObjectName("Blue Tree2-Node2");
+ tree2node3->setObjectName("Blue Tree2-Node3");
+
+ Qt3DCore::QTransform *wrongBlueTransform = new Qt3DCore::QTransform;
+ wrongBlueTransform->setTranslation(QVector3D(1, 1, 0));
+ Qt3DCore::QTransform *topRightTransform = new Qt3DCore::QTransform;
+ topRightTransform->setTranslation(QVector3D(5, 2, 0));
+ wrongBlueTransform->setObjectName("Blue Wrong Transform");
+ topRightTransform->setObjectName("Blue TR Transform");
+
+ Qt3DExtras::QPhongMaterial *blueMaterial = new Qt3DExtras::QPhongMaterial(rootEntity);
+ blueMaterial->setObjectName("Blue Material");
+ blueMaterial->setDiffuse(Qt::blue);
+ Qt3DCore::QEntity *leafNode = new Qt3DCore::QEntity(rootEntity);
+ leafNode->addComponent(mesh);
+ leafNode->addComponent(blueMaterial);
+ leafNode->setObjectName("Blue Leaf");
+
+ // sometimes this can change things
+ //QCoreApplication::processEvents();
+
+ tree1node2->addComponent(wrongBlueTransform);
+ tree2node2->addComponent(topRightTransform);
+
+ tree1node1->setParent(rootEntity);
+ tree1node2->setParent(tree1node1);
+ tree1node3->setParent(tree1node2);
+
+ tree2node1->setParent(rootEntity);
+ tree2node2->setParent(tree2node1);
+ tree2node3->setParent(tree2node2);
+
+ leafNode->setParent(tree1node3);
+ leafNode->setParent(tree2node3);
+ }
+
+ return app.exec();
+}
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