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#ifndef OPENMW_COMPONENTS_SCENEUTIL_CLONE_H
#define OPENMW_COMPONENTS_SCENEUTIL_CLONE_H
#include <map>
#include <osg/CopyOp>
namespace osgParticle
{
class ParticleProcessor;
class ParticleSystem;
class ParticleSystemUpdater;
}
namespace SceneUtil
{
/// @par Defines the cloning behaviour we need:
/// * Assigns updated ParticleSystem pointers on cloned emitters and programs.
/// * Deep copies RigGeometry and MorphGeometry so they can animate without affecting clones.
/// @warning Avoid using this class directly. The safety of cloning operations depends on the copy flags and the
/// objects involved. Consider using SceneManager::cloneNode for additional safety.
/// @warning Do not use an object of this class for more than one copy operation.
class CopyOp : public osg::CopyOp
{
public:
CopyOp();
virtual osgParticle::ParticleSystem* operator()(const osgParticle::ParticleSystem* partsys) const;
virtual osgParticle::ParticleProcessor* operator()(const osgParticle::ParticleProcessor* processor) const;
osg::Node* operator()(const osg::Node* node) const override;
osg::Drawable* operator()(const osg::Drawable* drawable) const override;
private:
// maps new pointers to their old pointers
// a little messy, but I think this should be the most efficient way
mutable std::map<osgParticle::ParticleProcessor*, const osgParticle::ParticleSystem*> mProcessorToOldPs;
mutable std::map<osgParticle::ParticleSystemUpdater*, const osgParticle::ParticleSystem*> mUpdaterToOldPs;
mutable std::map<const osgParticle::ParticleSystem*, osgParticle::ParticleSystem*> mOldPsToNewPs;
};
}
#endif
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