ApproachDescriptor.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/Utilities/Definitions.hpp"
#include "Acts/Utilities/Intersection.hpp"

#include <vector>

namespace Acts {

class Surface;
class Layer;
class BoundaryCheck;

class ApproachDescriptor {
 public:
  ApproachDescriptor() = default;
  virtual ~ApproachDescriptor() = default;

  virtual void registerLayer(const Layer& lay) = 0;

  virtual ObjectIntersection<Surface> approachSurface(
      const GeometryContext& gctx, const Vector3D& position,
      const Vector3D& direction, const BoundaryCheck& bcheck) const = 0;

  virtual const std::vector<const Surface*>& containedSurfaces() const = 0;

  virtual std::vector<const Surface*>& containedSurfaces() = 0;
};

}  // namespace Acts