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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt3D Editor 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef EDITORUTILS_H
#define EDITORUTILS_H
#include <QtCore/QObject>
#include <QtGui/QMatrix4x4>
namespace Qt3DCore {
class QEntity;
class QComponent;
class QTransform;
}
namespace Qt3DRender {
class QGeometryRenderer;
class QGeometry;
class QBuffer;
class QAbstractLight;
class QObjectPicker;
class QCamera;
class QCameraLens;
class QAttribute;
class QRenderPass;
class QSceneLoader;
}
class EditorSceneItemModel;
class EditorSceneItem;
class EditorUtils : public QObject
{
Q_OBJECT
public:
enum ComponentTypes {
// Lights
LightDirectional = 1,
LightPoint,
LightSpot,
// Materials
MaterialDiffuseMap,
MaterialDiffuseSpecularMap,
MaterialGooch,
MaterialNormalDiffuseMap,
MaterialNormalDiffuseMapAlpha,
MaterialNormalDiffuseSpecularMap,
MaterialPerVertexColor,
MaterialPhongAlpha,
MaterialPhong,
MaterialGeneric,
// Meshes
MeshCuboid,
MeshCustom,
MeshCylinder,
MeshPlane,
MeshSphere,
MeshTorus,
MeshGeneric,
// Transforms
Transform,
// Other
ObjectPicker,
SceneLoader,
Unknown = 1000
};
Q_ENUM(ComponentTypes)
enum InsertableEntities {
InvalidEntity,
GroupEntity,
CuboidEntity,
CylinderEntity,
PlaneEntity,
SphereEntity,
TorusEntity,
CustomEntity,
CameraEntity,
LightEntity
};
Q_ENUM(InsertableEntities)
public:
static bool isObjectInternal(QObject *obj);
static void copyCameraProperties(Qt3DRender::QCamera *target, Qt3DCore::QEntity *source);
static Qt3DCore::QComponent *duplicateComponent(Qt3DCore::QComponent *component);
static QString nameDuplicate(Qt3DCore::QEntity *duplicate, Qt3DCore::QEntity *original,
EditorSceneItemModel *sceneModel);
static Qt3DRender::QGeometryRenderer *createWireframeBoxMesh(float extent = 1.0f);
static Qt3DRender::QGeometryRenderer *createWireframePlaneMesh(int lineCount);
static Qt3DRender::QGeometryRenderer *createSingleLineMesh();
static Qt3DRender::QGeometryRenderer *createDefaultCustomMesh();
static Qt3DRender::QGeometryRenderer *createVisibleCameraMesh();
static Qt3DRender::QGeometryRenderer *createCameraViewVectorMesh();
static Qt3DRender::QGeometryRenderer *createCameraViewCenterMesh(float size);
static Qt3DRender::QGeometryRenderer *createLightMesh(ComponentTypes type);
static Qt3DRender::QGeometryRenderer *createMeshForInsertableType(InsertableEntities type);
static Qt3DRender::QGeometryRenderer *createArrowMesh();
static Qt3DCore::QEntity *createArrowEntity(const QColor &color,
Qt3DCore::QEntity *parent,
const QMatrix4x4 &matrix,
const QString &name);
static void addPositionAttributeToGeometry(Qt3DRender::QGeometry *geometry,
Qt3DRender::QBuffer *buffer,
int count);
static void addIndexAttributeToGeometry(Qt3DRender::QGeometry *geometry,
Qt3DRender::QBuffer *buffer,
int count);
static void updateCameraFrustumMesh(Qt3DRender::QGeometryRenderer *mesh,
Qt3DRender::QCamera *camera);
static Qt3DCore::QTransform *entityTransform(Qt3DCore::QEntity *entity);
static Qt3DRender::QAbstractLight *entityLight(Qt3DCore::QEntity *entity);
static Qt3DRender::QObjectPicker *entityPicker(Qt3DCore::QEntity *entity);
static Qt3DRender::QSceneLoader *entitySceneLoader(Qt3DCore::QEntity *entity);
static Qt3DRender::QGeometryRenderer *entityMesh(Qt3DCore::QEntity *entity);
static Qt3DRender::QCameraLens *entityCameraLens(Qt3DCore::QEntity *entity);
static bool isGroupEntity(Qt3DCore::QEntity *entity);
static QVector3D findIntersection(const QVector3D &rayOrigin, const QVector3D &ray,
float planeOffset, const QVector3D &planeNormal,
float &t);
static QVector3D unprojectRay(const QMatrix4x4 &modelView,
const QMatrix4x4 &projectionMatrix,
int viewPortWidth, int viewPortHeight, const QPoint &pos);
static QVector3D projectRay(const QMatrix4x4 &viewMatrix, const QMatrix4x4 &projectionMatrix,
int viewPortWidth, int viewPortHeight, const QVector3D &worldPos);
static QVector3D absVector3D(const QVector3D &vector);
static QVector3D maxVector3D(const QVector3D &vector, float minValue);
static QVector3D rotateVector(const QVector3D &vector, const QVector3D &rotationAxis,
qreal radians);
static QVector3D projectVectorOnPlane(const QVector3D &vector, const QVector3D &planeNormal);
static QMatrix4x4 totalAncestralTransform(Qt3DCore::QEntity *entity);
static QVector3D totalAncestralScale(Qt3DCore::QEntity *entity);
static QQuaternion totalAncestralRotation(Qt3DCore::QEntity *entity);
static QList<Qt3DCore::QTransform *> ancestralTransforms(
Qt3DCore::QEntity *entity, Qt3DCore::QEntity *topAncestor = nullptr);
static QVector3D lightDirection(const Qt3DRender::QAbstractLight *light);
static const QString lockPropertySuffix() { return QStringLiteral("_editorPropertyLock"); }
static const QByteArray lockPropertySuffix8() { return QByteArrayLiteral("_editorPropertyLock"); }
static const QString lockTransformPropertyName() {
return QStringLiteral("allTransform_editorPropertyLock");
}
static QVector3D cameraNormal(Qt3DRender::QCamera *camera);
static bool isDescendant(EditorSceneItem *ancestor, EditorSceneItem *descendantItem);
static void copyLockProperties(const QObject *source, QObject *target);
static void lockProperty(const QByteArray &lockPropertyName, QObject *obj, bool lock);
static InsertableEntities insertableEntityType(Qt3DCore::QEntity *entity);
static void setEnabledToSubtree(Qt3DCore::QEntity *entity, bool enable);
static Qt3DCore::QEntity *findEntityByName(Qt3DCore::QEntity *entity, const QString &name);
private:
// Private constructor to ensure no actual instance is created
explicit EditorUtils() {}
static ComponentTypes componentType(Qt3DCore::QComponent *component);
static Qt3DRender::QAttribute *copyAttribute(
Qt3DRender::QAttribute *oldAtt,
QMap<Qt3DRender::QBuffer *, Qt3DRender::QBuffer *> &bufferMap);
template <typename T> static void copyRenderParameters(T *source, T *target);
template <typename T> static void copyFilterKeys(T *source, T *target);
static void copyRenderStates(Qt3DRender::QRenderPass *source, Qt3DRender::QRenderPass *target);
};
#endif // EDITORUTILS_H
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