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#include <QGuiApplication>

#include <Qt3DRender/qcamera.h>
#include <Qt3DCore/qentity.h>
#include <Qt3DRender/qcameralens.h>
#include <Qt3DCore/qaspectengine.h>
#include <Qt3DCore/qtransform.h>

#include <Qt3DInput/QInputAspect>

#include <Qt3DExtras//qtorusmesh.h>
#include <Qt3DRender/qmesh.h>
#include <Qt3DRender/qtechnique.h>
#include <Qt3DRender/qmaterial.h>
#include <Qt3DRender/qeffect.h>
#include <Qt3DRender/qtexture.h>
#include <Qt3DRender/qrenderpass.h>
#include <Qt3DRender/qsceneloader.h>
#include <Qt3DRender/qcameraselector.h>
#include <Qt3DRender/qrenderpassfilter.h>
#include <Qt3DRender/qtechniquefilter.h>
#include <Qt3DRender/qviewport.h>
#include <Qt3DRender/qrenderaspect.h>
#include <Qt3DRender/qclearbuffers.h>
#include <Qt3DExtras/qt3dwindow.h>
#include <Qt3DExtras/qfirstpersoncameracontroller.h>

int main(int ac, char **av)
{
    QGuiApplication app(ac, av);

    Qt3DExtras::Qt3DWindow view;

    // Root entity
    Qt3DCore::QEntity *rootEntity = new Qt3DCore::QEntity();
    rootEntity->setObjectName(QStringLiteral("rootEntity"));
    // Torus
    Qt3DCore::QEntity *torusEntity = new Qt3DCore::QEntity(rootEntity);

    // Torus shape data
    Qt3DExtras::QTorusMesh *torus = new Qt3DExtras::QTorusMesh();
    torus->setRadius(40);
    torus->setMinorRadius(15);

    torusEntity->addComponent(torus);

    // TorusMesh Transform
    Qt3DCore::QTransform *torusTransforms = new Qt3DCore::QTransform();
    torusTransforms->setTranslation(QVector3D(-5.0f, 3.5f, 2.0f));
    torusTransforms->setRotation(QQuaternion::fromAxisAndAngle(QVector3D(1, 0, 0), 35.0f));
    torusEntity->addComponent(torusTransforms);

    // Scene file
    Qt3DCore::QEntity *sceneEntity = new Qt3DCore::QEntity(rootEntity);
    Qt3DRender::QSceneLoader *scene = new Qt3DRender::QSceneLoader();
    scene->setObjectName(QStringLiteral("scene"));
    Qt3DCore::QTransform *sceneTransform = new Qt3DCore::QTransform();
    sceneTransform->setTranslation(QVector3D(2.5f, 0.5f, -10.0f));
    sceneEntity->addComponent(sceneTransform);
    scene->setSource(QUrl("qrc:/assets/test_scene.dae"));
    sceneEntity->addComponent(scene);

    // Camera
    Qt3DRender::QCamera *cameraEntity = view.camera();
    cameraEntity->setObjectName(QStringLiteral("cameraEntity"));
    cameraEntity->lens()->setPerspectiveProjection(60.0f, 16.0f/9.0f, 0.1f, 1000.0f);
    cameraEntity->setPosition(QVector3D(5, 0, 20.0f));
    cameraEntity->setViewCenter(QVector3D(11, 0, 5));
    cameraEntity->setUpVector(QVector3D(0, 1, 0));

    // For camera controls
    Qt3DExtras::QFirstPersonCameraController *camController = new Qt3DExtras::QFirstPersonCameraController(rootEntity);
    camController->setCamera(cameraEntity);

    // Set root object of the scene
    view.setRootEntity(rootEntity);
    view.show();

    return app.exec();
}