/usr/include/osgEarth/DrapingCullSet is in libosgearth-dev 2.9.0+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
* Copyright 2016 Pelican Mapping
* http://osgearth.org
*
* osgEarth is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
*/
#ifndef OSGEARTH_DRAPING_CULL_SET
#define OSGEARTH_DRAPING_CULL_SET
#include <osgEarth/Common>
#include <osgEarth/Containers>
#include <osgEarth/DrapeableNode>
#include <osgEarth/ThreadingUtils>
#include <osg/Camera>
#include <osg/ObserverNodePath>
namespace osgEarth
{
/**
* Culling set for tracking groups whose contents should be "draped",
* i.e. rendered to a texture and projected onto the terrain.
* Internal object - do not use directly. Use a DrapeableNode instead.
*/
class OSGEARTH_INTERNAL DrapingCullSet
{
public:
struct Entry
{
osg::ref_ptr<osg::Group> _node;
osg::ref_ptr<osg::RefMatrix> _matrix;
osg::ObserverNodePath _path;
int _frame;
};
public:
DrapingCullSet();
~DrapingCullSet() { } // not virtual
/** Pushes a node and its matrix into the cull set */
void push(DrapeableNode* node, const osg::NodePath& path, const osg::FrameStamp* stamp);
/** Runs a node visitor on the cull set, optionally popping as it goes along. */
void accept(osg::NodeVisitor& nv);
/** Bounds of this set */
const osg::BoundingSphere& getBound() const { return _bs; }
/** Number of elements in the set */
unsigned size() const { return _entries.size(); }
private:
std::vector<Entry> _entries;
osg::BoundingSphere _bs;
bool _frameCulled;
};
/**
* Houses all the active DrapingCullSets under an osgEarth TerrainEngine.
* Internal node - so not use directly.
*/
class OSGEARTH_INTERNAL DrapingManager
{
public:
//! Gets the draping cull set associated with a camera.
DrapingCullSet& get(const osg::Camera*);
private:
PerObjectFastMap<const osg::Camera*, DrapingCullSet> _sets;
};
} // namespace osgEarth
#endif // OSGEARTH_DRAPING_CULL_SET
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