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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 EDITORSCENEPARSER_H
#define EDITORSCENEPARSER_H
#include <QtCore/QObject>
#include <QtCore/QUrl>
#include <QtCore/QMap>
#include <QtCore/QTextStream>
#include <QtCore/QString>
#include <QtCore/QFileInfo>
namespace Qt3DCore {
class QEntity;
class QComponent;
}
namespace Qt3DRender {
class QAbstractTexture;
class QGeometry;
}
class EditorSceneParser : public QObject
{
Q_OBJECT
enum EditorItemType {
Scene3D = 0,
// Entities
Entity,
Camera,
// Components
Transform,
RenderSettings,
InputSettings,
DiffuseMapMaterial,
DiffuseSpecularMapMaterial,
GoochMaterial,
NormalDiffuseMapMaterial,
NormalDiffuseMapAlphaMaterial,
NormalDiffuseSpecularMapMaterial,
PerVertexColorMaterial,
PhongAlphaMaterial,
PhongMaterial,
GenericMaterial,
CuboidMesh,
CustomMesh,
CylinderMesh,
PlaneMesh,
SphereMesh,
TorusMesh,
GenericMesh,
Attribute,
Buffer,
Geometry,
ObjectPicker,
DirectionalLight,
PointLight,
SpotLight,
SceneLoader,
Unknown
};
public:
explicit EditorSceneParser(QObject *parent = 0);
~EditorSceneParser();
bool exportQmlScene(Qt3DCore::QEntity *sceneEntity, const QUrl &fileUrl,
Qt3DCore::QEntity *activeSceneCamera, bool autosave = false);
Qt3DCore::QEntity *importQmlScene(const QUrl &fileUrl, Qt3DCore::QEntity *&cameraEntity);
private:
enum TextureTypes {
DiffuseTexture = 1,
SpecularTexture = 2,
NormalTexture = 4
};
struct IdPair {
QString qmlId;
QString origName;
};
void cacheProperties(EditorItemType type, QObject *defaultObject);
void resetParser();
void outStartType(EditorItemType type);
void outEndType();
IdPair generateItemId(EditorItemType type, QObject *item);
void outItemId(const IdPair IdPair);
void outEntity(Qt3DCore::QEntity *entity);
QString outComponent(Qt3DCore::QComponent *component);
void outRenderSettings(Qt3DCore::QComponent *component);
void outTexturedMaterial(EditorItemType type, Qt3DCore::QComponent *component);
void outTextureProperty(const QString &propertyName,
Qt3DRender::QAbstractTexture *textureProvider);
void outGenericMesh(Qt3DCore::QComponent *component, const QString &componentId);
void outGeometry(Qt3DRender::QGeometry *geometry, const QString &componentId);
template <typename T> void outBufferData(T *dataPtr, int count, const QString arrayType);
void outGenericProperties(EditorItemType type, QObject *obj);
void outGenericProperty(QObject *obj,
const QMetaProperty &property, const QObject *defaultComponent);
void outHelperFunctions();
void outSceneLoader(Qt3DCore::QComponent *component);
void outCamera(Qt3DCore::QEntity *entity);
QString indent() const;
EditorItemType itemType(QObject *item) const;
QString variantToQMLString(const QVariant &var);
QVariant QMLStringToVariant(QVariant::Type type, const QString &qmlStr);
Qt3DCore::QEntity *createEntity(EditorItemType type);
QObject *createObject(EditorItemType type);
void parseAndSetProperty(const QString &propertyName, const QString &propertyValue,
QObject *obj, EditorItemType type,
const QMap<QString, QObject *> &objectMap);
void parseAndSetGenericProperty(const QString &propertyName, const QString &propertyValue,
QObject *obj);
void parseAndSetTextureProperty(const QString &propertyName, const QString &propertyValue,
QObject *obj, EditorItemType type);
int getTextureProviders(EditorItemType type, QObject *component,
Qt3DRender::QAbstractTexture *&diffuse,
Qt3DRender::QAbstractTexture *&specular,
Qt3DRender::QAbstractTexture *&normal);
QString getAbsoluteQmlFileName(const QFileInfo &qrcFileInfo, const QString &resourceDirName);
QString urlToResourceString(const QUrl &url);
QByteArray importBuffer();
int m_indentLevel;
int m_resourceIdCounter;
QTextStream m_stream;
QString m_spaceArray;
QStringList m_typeStrings;
QMap<QString, EditorItemType> m_typeMap;
QMap<EditorItemType, QObject *> m_defaultObjectMap;
QMap<EditorItemType, QVector<QMetaProperty> > m_propertyMap;
QMap<quint64, IdPair> m_idMap;
QMap<QUrl, QString> m_exportResourceMap; // <texture url source, qml target>
QMap<QString, QUrl> m_importResourceMap; // <qml source, texture url target>
QString m_resourceDirName;
QMap<EditorItemType, int> m_currentEntityComponentTypeMap;
};
#endif // EDITORSCENEPARSER_H
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