This file is indexed.

/usr/include/osgGA/DriveManipulator is in libopenscenegraph-dev 3.2.1-6.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
 *
 * This library is open source and may be redistributed and/or modified under
 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
 * (at your option) any later version.  The full license is in LICENSE file
 * included with this distribution, and on the openscenegraph.org website.
 *
 * 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
 * OpenSceneGraph Public License for more details.
*/

#ifndef OSGGA_DRIVEMANIPULATOR
#define OSGGA_DRIVEMANIPULATOR 1

#include <osgGA/CameraManipulator>
#include <osg/Quat>

namespace osgGA{

/**
DriveManipulator is a camera manipulator which provides drive-like
functionality. By default, the left mouse button accelerates, the right
mouse button decelerates, and the middle mouse button (or left and
right simultaneously) stops dead.
*/

class OSGGA_EXPORT DriveManipulator : public CameraManipulator
{
    public:

        DriveManipulator();

        virtual const char* className() const { return "Drive"; }

        /** Get the position of the matrix manipulator using a 4x4 Matrix.*/
        virtual void setByMatrix(const osg::Matrixd& matrix);

        /** Set the position of the matrix manipulator using a 4x4 Matrix.*/
        virtual void setByInverseMatrix(const osg::Matrixd& matrix) { setByMatrix(osg::Matrixd::inverse(matrix)); }

        /** Get the position of the manipulator as 4x4 Matrix.*/
        virtual osg::Matrixd getMatrix() const;

        /** Get the position of the manipulator as a inverse matrix of the manipulator, typically used as a model view matrix.*/
        virtual osg::Matrixd getInverseMatrix() const;

        virtual void setNode(osg::Node*);

        virtual const osg::Node* getNode() const;

        virtual osg::Node* getNode();

        virtual void computeHomePosition();

        virtual void home(const GUIEventAdapter& ea,GUIActionAdapter& us);

        virtual void init(const GUIEventAdapter& ea,GUIActionAdapter& us);

        virtual bool handle(const GUIEventAdapter& ea,GUIActionAdapter& us);

        /** Get the keyboard and mouse usage of this manipulator.*/
        virtual void getUsage(osg::ApplicationUsage& usage) const;

        void setModelScale( double in_ms ) { _modelScale = in_ms; }
        double getModelScale() const { return _modelScale; }

        void setVelocity( double in_vel ) { _velocity = in_vel; }
        double getVelocity() const { return _velocity; }

        void setHeight( double in_h ) { _height = in_h; }
        double getHeight() const { return _height; }

    protected:

        virtual ~DriveManipulator();

        bool intersect(const osg::Vec3d& start, const osg::Vec3d& end, osg::Vec3d& intersection, osg::Vec3d& normal) const;

        /** Reset the internal GUIEvent stack.*/
        void flushMouseEventStack();

        /** Add the current mouse GUIEvent to internal stack.*/
        void addMouseEvent(const GUIEventAdapter& ea);

        void computePosition(const osg::Vec3d& eye,const osg::Vec3d& lv,const osg::Vec3d& up);

        /** For the given mouse movement calculate the movement of the camera.
          * Return true if camera has moved and a redraw is required.
          */
        bool calcMovement();

        // Internal event stack comprising last two mouse events.
        osg::ref_ptr<const GUIEventAdapter> _ga_t1;
        osg::ref_ptr<const GUIEventAdapter> _ga_t0;

        osg::observer_ptr<osg::Node>    _node;

        double _modelScale;
        double _velocity;
        double _height;
        double _buffer;

        enum SpeedControlMode {
                USE_MOUSE_Y_FOR_SPEED,
                USE_MOUSE_BUTTONS_FOR_SPEED
        };

        SpeedControlMode _speedMode;

        osg::Vec3d   _eye;
        osg::Quat    _rotation;
        double       _pitch;
        double       _distance;

        bool        _pitchUpKeyPressed;
        bool        _pitchDownKeyPressed;
};

}

#endif