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/* -*-c++-*- */
/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
* Copyright 2015 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.
*
* 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 Lesser General Public License for more details.
*
* 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_TERRAIN_EFFECT_H
#define OSGEARTH_TERRAIN_EFFECT_H 1
#include <osgEarth/Common>
#include <osgEarth/Config>
namespace osgEarth
{
class TerrainEngineNode;
/**
* A terrain effect is a class that applies an effect to the
* TerrainEngineNode. You can add effect to the engine by calling
* TerrainEngineNode::addEffect(). An effect can do anything,
* but typically it will alter the state set in some way (such as
* to customize the shaders).
*/
class TerrainEffect : public osg::Referenced /* header-only */
{
public:
/** Called by the terrain engine when you install the effect */
virtual void onInstall(TerrainEngineNode* engine) { }
/** Called by the terrain engine when you uninstall the effect */
virtual void onUninstall(TerrainEngineNode* engine) { }
public: // serialization
virtual Config getConfig() const { return Config(); }
protected:
TerrainEffect() { }
virtual ~TerrainEffect() { }
};
} // namespace osgEarth
#endif // OSGEARTH_TERRAIN_EFFECT_H