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// \file BVHLevelLocator.h
// \author Guilherme Amadio
#ifndef VECGEOM_NAVIGATION_BVHLEVELLOCATOR_H_
#define VECGEOM_NAVIGATION_BVHLEVELLOCATOR_H_
#include "VecGeom/management/BVHManager.h"
#include "VecGeom/navigation/VLevelLocator.h"
namespace vecgeom {
inline namespace VECGEOM_IMPL_NAMESPACE {
class LogicalVolume;
class VPlacedVolume;
/**
* @brief Level locator class using the bounding volume hierarchy of each logical volume for acceleration.
*/
class BVHLevelLocator : public VLevelLocator {
private:
/** Constructor. Private since this is a singleton class accessed only via the @c Instance() static method. */
BVHLevelLocator() = default;
public:
/** Returns the instance of this singleton class. */
static VLevelLocator const *GetInstance()
{
static BVHLevelLocator instance;
return &instance;
}
/** Returns the name of this class. */
std::string GetName() const final { return "BVHLevelLocator"; }
/**
* Find child volume of @p lvol inside which the given point @p localpoint is located.
* @param[in] lvol Logical volume being checked.
* @param[in] localpoint Point in the local coordinates of the logical volume.
* @param[out] daughterpvol Placed volume in which @p localpoint is contained
* @param[out] daughterlocalpoint Point in the local coordinates of @p daughterpvol
* @returns Whether @p localpoint falls within a child volume of @p lvol.
*/
bool LevelLocate(LogicalVolume const *lvol, Vector3D<Precision> const &localpoint, VPlacedVolume const *&pvol,
Vector3D<Precision> &daughterlocalpoint) const final
{
return BVHManager::GetBVH(lvol)->LevelLocate(localpoint, pvol, daughterlocalpoint);
}
/**
* Find child volume of @p lvol inside which the given point @p localpoint is located.
* @param[in] lvol Logical volume being checked.
* @param[in] localpoint Point in the local coordinates of the logical volume.
* @param[out] outstate Navigation state. Gets updated if point is relocated to another volume.
* @param[out] daughterlocalpoint Point in the local coordinates of newly located volume.
* @returns Whether @p localpoint falls within a child volume of @p lvol.
*/
bool LevelLocate(LogicalVolume const *lvol, Vector3D<Precision> const &localpoint, NavigationState &state,
Vector3D<Precision> &daughterlocalpoint) const final
{
return BVHManager::GetBVH(lvol)->LevelLocate(localpoint, state, daughterlocalpoint);
}
/**
* Find child volume of @p lvol inside which the given point @p localpoint is located.
* @param[in] lvol Logical volume being checked.
* @param[in] exclvol Placed volume that should be ignored.
* @param[in] localpoint Point in the local coordinates of the logical volume.
* @param[out] pvol Placed volume in which @p localpoint is contained
* @param[out] daughterlocalpoint Point in the local coordinates of @p daughterpvol
* @returns Whether @p localpoint falls within a child volume of @p lvol.
*/
bool LevelLocateExclVol(LogicalVolume const *lvol, VPlacedVolume const *exclvol,
Vector3D<Precision> const &localpoint, VPlacedVolume const *&pvol,
Vector3D<Precision> &daughterlocalpoint) const final
{
return BVHManager::GetBVH(lvol)->LevelLocate(exclvol, localpoint, pvol, daughterlocalpoint);
}
/**
* Find child volume of @p lvol inside which the given point @p localpoint is located.
* @param[in] lvol Logical volume being checked.
* @param[in] exclvol Placed volume that should be ignored.
* @param[in] localpoint Point in the local coordinates of the logical volume.
* @param[in] localdir Direction in the local coordinates of the logical volume.
* @param[out] pvol Placed volume in which @p localpoint is contained
* @param[out] daughterlocalpoint Point in the local coordinates of @p daughterpvol
* @returns Whether @p localpoint falls within a child volume of @p lvol.
*/
bool LevelLocateExclVol(LogicalVolume const *lvol, VPlacedVolume const *exclvol,
Vector3D<Precision> const &localpoint, Vector3D<Precision> const &localdirection,
VPlacedVolume const *&pvol, Vector3D<Precision> &daughterlocalpoint) const final
{
return BVHManager::GetBVH(lvol)->LevelLocate(exclvol, localpoint, localdirection, pvol, daughterlocalpoint);
}
}; // end class declaration
} // namespace VECGEOM_IMPL_NAMESPACE
} // namespace vecgeom
#endif
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