GeometryObject.hpp

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// This file is part of the Acts project.
//
// Copyright (C) 2016-2020 CERN for the benefit of the Acts project
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.

#pragma once

#include "Acts/Geometry/GeometryContext.hpp"
#include "Acts/Geometry/GeometryIdentifier.hpp"
#include "Acts/Geometry/Polyhedron.hpp"
#include "Acts/Utilities/BinningType.hpp"
#include "Acts/Utilities/Definitions.hpp"
#include "Acts/Utilities/Helpers.hpp"

namespace Acts {

class GeometryObject {
 public:
  GeometryObject() = default;

  GeometryObject(const GeometryObject&) = default;

  GeometryObject(const GeometryIdentifier& geometryId)
      : m_geometryId(geometryId) {}

  GeometryObject& operator=(const GeometryObject& geometryId) {
    if (&geometryId != this) {
      m_geometryId = geometryId.m_geometryId;
    }
    return *this;
  }

  const GeometryIdentifier& geometryId() const;

  virtual Vector3D binningPosition(const GeometryContext& gctx,
                                   BinningValue bValue) const = 0;

  virtual double binningPositionValue(const GeometryContext& gctx,
                                      BinningValue bValue) const;

  void assignGeometryId(const GeometryIdentifier& geometryId);

 protected:
  GeometryIdentifier m_geometryId;
};

inline const GeometryIdentifier& GeometryObject::geometryId() const {
  return m_geometryId;
}

inline void GeometryObject::assignGeometryId(
    const GeometryIdentifier& geometryId) {
  m_geometryId = geometryId;
}

inline double GeometryObject::binningPositionValue(const GeometryContext& gctx,
                                                   BinningValue bValue) const {
  return VectorHelpers::cast(binningPosition(gctx, bValue), bValue);
}
}  // namespace Acts