115 lines
4.2 KiB
C++
115 lines
4.2 KiB
C++
|
// Viewer.hxx -- alternative flightgear viewer application
|
||
|
|
//
|
||
|
|
// Copyright (C) 2009 - 2012 Mathias Froehlich
|
||
|
|
//
|
||
|
|
// This program is free software; you can redistribute it and/or
|
||
|
|
// modify it under the terms of the GNU General Public License as
|
||
|
|
// published by the Free Software Foundation; either version 2 of the
|
||
|
|
// License, or (at your option) any later version.
|
||
|
|
//
|
||
|
|
// This program 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
|
||
|
|
// 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 _fgviewer_SlaveCamera_hxx
|
||
|
|
#define _fgviewer_SlaveCamera_hxx
|
||
|
|
|
||
|
|
#include <string>
|
||
|
|
#include <osg/Camera>
|
||
|
|
#include <simgear/math/SGMath.hxx>
|
||
|
|
#include <simgear/structure/SGWeakReferenced.hxx>
|
||
|
|
|
||
|
|
#include "Frustum.hxx"
|
||
|
|
|
||
|
|
namespace fgviewer {
|
||
|
|
|
||
|
|
class Viewer;
|
||
|
|
|
||
|
|
class SlaveCamera : public SGWeakReferenced {
|
||
|
|
public:
|
||
|
|
SlaveCamera(const std::string& name);
|
||
|
|
virtual ~SlaveCamera();
|
||
|
|
|
||
|
|
const std::string& getName() const
|
||
|
|
{ return _name; }
|
||
|
|
|
||
|
|
/// The drawable this camera renders to
|
||
|
|
bool setDrawableName(const std::string& drawableName);
|
||
|
|
const std::string& getDrawableName() const
|
||
|
|
{ return _drawableName; }
|
||
|
|
|
||
|
|
/// The viewport into the above drawable
|
||
|
|
virtual bool setViewport(const SGVec4i& viewport);
|
||
|
|
SGVec4i getViewport() const
|
||
|
|
{ return SGVec4i(_viewport->x(), _viewport->y(), _viewport->width(), _viewport->height()); }
|
||
|
|
double getAspectRatio() const
|
||
|
|
{ return _viewport->aspectRatio(); }
|
||
|
|
|
||
|
|
/// The view offset, usually an orientation offset
|
||
|
|
virtual bool setViewOffset(const osg::Matrix& viewOffset);
|
||
|
|
const osg::Matrix& getViewOffset() const
|
||
|
|
{ return _viewOffset; }
|
||
|
|
bool setViewOffsetDeg(double headingDeg, double pitchDeg, double rollDeg);
|
||
|
|
|
||
|
|
/// The frustum for this camera
|
||
|
|
virtual bool setFrustum(const Frustum& frustum);
|
||
|
|
const Frustum& getFrustum() const
|
||
|
|
{ return _frustum; }
|
||
|
|
void setFustumByFieldOfViewDeg(double fieldOfViewDeg);
|
||
|
|
bool setRelativeFrustum(const std::string names[2], const SlaveCamera& referenceCameraData,
|
||
|
|
const std::string referenceNames[2]);
|
||
|
|
|
||
|
|
/// For relative cameras configure the reference points that should match
|
||
|
|
void setProjectionReferencePoint(const std::string& name, const osg::Vec2& point);
|
||
|
|
osg::Vec2 getProjectionReferencePoint(const std::string& name) const;
|
||
|
|
/// Set the reference points for a monitor configuration
|
||
|
|
void setMonitorProjectionReferences(double width, double height,
|
||
|
|
double bezelTop, double bezelBottom,
|
||
|
|
double bezelLeft, double bezelRight);
|
||
|
|
|
||
|
|
/// Access parameters of this view/camera
|
||
|
|
osg::Vec3 getLeftEyeOffset(const Viewer& viewer) const;
|
||
|
|
osg::Vec3 getRightEyeOffset(const Viewer& viewer) const;
|
||
|
|
double getZoomFactor(const Viewer& viewer) const;
|
||
|
|
osg::Matrix getEffectiveViewOffset(const Viewer& viewer) const;
|
||
|
|
Frustum getEffectiveFrustum(const Viewer& viewer) const;
|
||
|
|
|
||
|
|
/// The top level camera holding the context
|
||
|
|
osg::Camera* getCamera()
|
||
|
|
{ return _camera.get(); }
|
||
|
|
|
||
|
|
/// Top level entry points
|
||
|
|
bool realize(Viewer& viewer);
|
||
|
|
bool update(Viewer& viewer);
|
||
|
|
|
||
|
|
protected:
|
||
|
|
virtual osg::Camera* _realizeImplementation(Viewer& viewer);
|
||
|
|
virtual bool _updateImplementation(Viewer& viewer);
|
||
|
|
|
||
|
|
private:
|
||
|
|
SlaveCamera(const SlaveCamera&);
|
||
|
|
SlaveCamera& operator=(const SlaveCamera&);
|
||
|
|
|
||
|
|
/// The immutable name that is used to reference this slave camera.
|
||
|
|
const std::string _name;
|
||
|
|
std::string _drawableName;
|
||
|
|
osg::ref_ptr<osg::Viewport> _viewport;
|
||
|
|
osg::Matrix _viewOffset;
|
||
|
|
Frustum _frustum;
|
||
|
|
/// The camera that is attached to the slave and that has a context attached.
|
||
|
|
osg::ref_ptr<osg::Camera> _camera;
|
||
|
|
|
||
|
|
/// For relative views, the named reference points in the projection space
|
||
|
|
typedef std::map<std::string, osg::Vec2> NameReferencePointMap;
|
||
|
|
NameReferencePointMap _referencePointMap;
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace fgviewer
|
||
|
|
|
||
|
|
#endif
|