flightgear/utils/fgviewer/HLASceneObject.hxx
2022-10-20 20:29:11 +08:00

87 lines
2.8 KiB
C++

// Copyright (C) 2009 - 2012 Mathias Froehlich - Mathias.Froehlich@web.de
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Library General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
#ifndef HLASceneObject_hxx
#define HLASceneObject_hxx
#include <osg/Node>
#include <osg/PagedLOD>
#include <osg/ref_ptr>
#include <simgear/hla/HLAObjectClass.hxx>
#include <simgear/hla/HLALocation.hxx>
#include "HLAObjectReferenceData.hxx"
namespace fgviewer {
class HLASceneObjectClass;
class HLASceneObject : public simgear::HLAObjectInstance {
public:
HLASceneObject(HLASceneObjectClass* objectClass, const SGWeakPtr<simgear::HLAFederate>& federate);
virtual ~HLASceneObject();
virtual void createAttributeDataElements();
virtual void discoverInstance(const simgear::RTIData& tag);
virtual void removeInstance(const simgear::RTIData& tag);
virtual void registerInstance(simgear::HLAObjectClass* objectClass);
virtual void deleteInstance(const simgear::RTIData& tag);
const HLASceneObject* getSceneObject() const;
HLASceneObject* getSceneObject();
void setSceneObject(HLASceneObject* sceneObject);
virtual SGLocationd getLocation(const SGTimeStamp& timeStamp) const;
simgear::HLADataElement* getModelDataElement();
osg::Node* getNode();
protected:
SGLocationd _getRelativeLocation(const SGTimeStamp& timeStamp) const;
// Return the velocities of this current object without taking the referenced velocities into account
SGVec3d _getRelativeAngularVelocity() const;
SGVec3d _getRelativeLinearVelocity() const;
void _setModelFileName(const std::string& fileName);
private:
class _ModelDataElement;
class _Transform;
// Add the transform node to the scenegraph
void _addToSceneGraph();
// Remove the transform node from the scenegraph
void _removeFromSceneGraph();
// The location of this object
SGSharedPtr<simgear::HLAAbstractLocation> _location;
// If this object is living relative to an other one, this one is non zero
simgear::HLAObjectReferenceData<HLASceneObject> _sceneObject;
// The top level transform node for this scene object
osg::ref_ptr<_Transform> _transform;
osg::ref_ptr<osg::PagedLOD> _pagedLOD;
};
} // namespace fgviewer
#endif