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// LICENSING INFORMATION TBD
#ifndef VECGEOM_UNPLACEDASSEMBLY_H
#define VECGEOM_UNPLACEDASSEMBLY_H
#include "VecGeom/base/Cuda.h"
#include "VecGeom/base/Global.h"
#include "VecGeom/base/Vector.h"
#include "VecGeom/navigation/VNavigator.h"
#include "VecGeom/navigation/NavigationState.h"
#include "VecGeom/base/Vector3D.h"
#include "VecGeom/volumes/UnplacedVolume.h"
#include "VecGeom/volumes/PlacedVolume.h"
#include "VecGeom/volumes/kernel/BoxImplementation.h"
#include "VecGeom/navigation/NavStateFwd.h"
namespace vecgeom {
VECGEOM_DEVICE_FORWARD_DECLARE(class UnplacedAssembly;);
VECGEOM_DEVICE_DECLARE_CONV(class, UnplacedAssembly);
inline namespace VECGEOM_IMPL_NAMESPACE {
// An assembly volume offering navigation interfaces (Contains/Distances/...) in a loose/logical group of volumes
// An UnplacedAssembly is always strongly coupled to a logical volume because the later naturally manages the actual
// group of volumes that define the assembly
// The following construct marks a logical volume as an assembly:
// UnplacedAssembly *ass = new UnplacedAssembly
// LogicalVolume *lv = new LogicalVolume("assembly", ass); // this will implicitely couple ass to lv
// lv->PlacedDaughter(...)
class UnplacedAssembly : public VUnplacedVolume, public AlignedBase {
private:
// back-reference to the logical volume
// this get automacially set upon instantiation of a logical volume with an UnplacedAssembly
LogicalVolume *fLogicalVolume;
// caching the extent (bounding box)
// these members are automatically updated whenever a new volume is added to the assembly
Vector3D<Precision> fLowerCorner;
Vector3D<Precision> fUpperCorner;
void SetLogicalVolume(LogicalVolume *lv) { fLogicalVolume = lv; }
void UpdateExtent() { UnplacedAssembly::Extent(fLowerCorner, fUpperCorner); ComputeBBox(); }
friend class LogicalVolume;
public:
VECCORE_ATT_HOST_DEVICE
UnplacedAssembly(); // the constructor
VECCORE_ATT_HOST_DEVICE
virtual ~UnplacedAssembly();
LogicalVolume const *GetLogicalVolume() const { return fLogicalVolume; }
// add content
void AddVolume(VPlacedVolume *const);
// get number of volumes
size_t GetNVolumes() const { return fLogicalVolume->GetDaughters().size(); }
// the extent function
VECCORE_ATT_HOST_DEVICE
void Extent(Vector3D<Precision> &, Vector3D<Precision> &) const override;
// Getter to cached bounding box
VECCORE_ATT_HOST_DEVICE
Vector3D<Precision> GetLowerCorner() const { return fLowerCorner; }
VECCORE_ATT_HOST_DEVICE
Vector3D<Precision> GetUpperCorner() const { return fUpperCorner; }
// the ordinary assembly function
VECCORE_ATT_HOST_DEVICE
bool Contains(Vector3D<Precision> const &point) const override
{
assert(fLogicalVolume);
// check bound box first
bool inBoundingBox;
ABBoxImplementation::ABBoxContainsKernel(fLowerCorner, fUpperCorner, point, inBoundingBox);
if (!inBoundingBox) return false;
Vector3D<Precision> daughterlocalpoint;
VPlacedVolume const *nextv;
return fLogicalVolume->GetLevelLocator()->LevelLocate(fLogicalVolume, point, nextv, daughterlocalpoint);
}
VECCORE_ATT_HOST_DEVICE
EnumInside Inside(Vector3D<Precision> const & /*point*/) const override
{
#ifndef VECCORE_CUDA
throw std::runtime_error("Assembly inside to be implemented");
#endif
return static_cast<EnumInside>(EInside::kOutside);
}
// an extended contains function needed for navigation
// if this function returns true it modifies the navigation state to point to the first non-assembly volume
// the point is contained in
// this function is not part of the generic UnplacedVolume interface but we could consider doing so
VECCORE_ATT_HOST_DEVICE
bool Contains(Vector3D<Precision> const &point, Vector3D<Precision> &daughterlocalpoint, NavigationState &state) const
{
assert(fLogicalVolume);
// check bound box first
bool inBoundingBox;
ABBoxImplementation::ABBoxContainsKernel(fLowerCorner, fUpperCorner, point, inBoundingBox);
if (!inBoundingBox) return false;
return fLogicalVolume->GetLevelLocator()->LevelLocate(fLogicalVolume, point, state, daughterlocalpoint);
}
using VUnplacedVolume::DistanceToOut;
// DistanceToOut does not make sense -- throw exeption
VECCORE_ATT_HOST_DEVICE
Precision DistanceToOut(Vector3D<Precision> const & /*p*/, Vector3D<Precision> const & /*d*/,
Precision /*step_max*/ = kInfLength) const override
{
#ifndef VECCORE_CUDA
throw std::runtime_error("Forbidden DistanceToOut in Assembly called");
#endif
return -1.;
}
// DistanceToOut does not make sense -- throw exeption
VECCORE_ATT_HOST_DEVICE
Real_v DistanceToOutVec(Vector3D<Real_v> const & /*p*/, Vector3D<Real_v> const & /*d*/,
Real_v const & /*step_max*/) const override
{
#ifndef VECCORE_CUDA
throw std::runtime_error("Forbidden DistanceToOut in Assembly called");
#endif
return Real_v(-1.);
}
using VUnplacedVolume::SafetyToOut;
VECCORE_ATT_HOST_DEVICE
Precision SafetyToOut(Vector3D<Precision> const &) const override
{
#ifndef VECCORE_CUDA
throw std::runtime_error("Forbidden SafetyToOut in Assembly called");
#endif
return -1.;
}
// an explicit SIMD interface
VECCORE_ATT_HOST_DEVICE
Real_v SafetyToOutVec(Vector3D<Real_v> const &) const override
{
#ifndef VECCORE_CUDA
throw std::runtime_error("Forbidden SafetyToOut in Assembly called");
#endif
return Real_v(-1.);
}
// ---------------- SafetyToIn functions -------------------------------------------------------
VECCORE_ATT_HOST_DEVICE
virtual Precision SafetyToIn(Vector3D<Precision> const &p) const override
{
return fLogicalVolume->GetSafetyEstimator()->ComputeSafetyToDaughtersForLocalPoint(p, fLogicalVolume);
}
// explicit SIMD interface
VECCORE_ATT_HOST_DEVICE
virtual Real_v SafetyToInVec(Vector3D<Real_v> const &) const override
{
#ifndef VECCORE_CUDA
throw std::runtime_error("SafetyToInVec in Assembly not yet implemented");
#endif
return Real_v(-1.);
}
// ---------------- DistanceToIn functions -----------------------------------------------------
VECCORE_ATT_HOST_DEVICE
virtual Precision DistanceToIn(Vector3D<Precision> const &p, Vector3D<Precision> const &d,
const Precision /*step_max*/ = kInfLength) const override
{
if (!BoxImplementation::Intersect(&fLowerCorner, p, d, 0, kInfLength)) return kInfLength;
Precision step(kInfLength);
VPlacedVolume const *pv;
fLogicalVolume->GetNavigator()->CheckDaughterIntersections(fLogicalVolume, p, d, nullptr, nullptr, step, pv);
return step;
}
VECCORE_ATT_HOST_DEVICE
virtual Real_v DistanceToInVec(Vector3D<Real_v> const & /*p*/, Vector3D<Real_v> const & /*d*/,
const Real_v & /*step_max*/ = Real_v(kInfLength)) const override
{
#ifndef VECCORE_CUDA
throw std::runtime_error("DistanceToInVec in Assembly not yet implemented");
#endif
return Real_v(-1.);
}
Vector3D<Precision> SamplePointOnSurface() const override;
Precision Capacity() const override;
Precision SurfaceArea() const override;
// some dummy impl for virtual functions
VECCORE_ATT_HOST_DEVICE
virtual void Print() const override;
virtual void Print(std::ostream &os) const override;
virtual int MemorySize() const override { return sizeof(*this); }
#ifdef VECGEOM_CUDA_INTERFACE
virtual size_t DeviceSizeOf() const override { return DevicePtr<cuda::UnplacedAssembly>::SizeOf(); }
virtual DevicePtr<cuda::VUnplacedVolume> CopyToGpu() const override;
virtual DevicePtr<cuda::VUnplacedVolume> CopyToGpu(DevicePtr<cuda::VUnplacedVolume> const gpu_ptr) const override;
#endif
#ifndef VECCORE_CUDA
virtual VPlacedVolume *SpecializedVolume(LogicalVolume const *const volume,
Transformation3D const *const transformation,
const TranslationCode trans_code, const RotationCode rot_code,
VPlacedVolume *const placement = NULL) const override;
#else
VECCORE_ATT_DEVICE VPlacedVolume *SpecializedVolume(LogicalVolume const *const volume,
Transformation3D const *const transformation,
const TranslationCode trans_code, const RotationCode rot_code,
const int id, const int copy_no, const int child_id,
VPlacedVolume *const placement) const override;
#endif
};
} // namespace VECGEOM_IMPL_NAMESPACE
} // namespace vecgeom
#endif // VECGEOM_UNPLACEDASSEMBLY_H
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