orangeinp/detail/SenseEvaluator.hh

0001 //----------------------------------*-C++-*----------------------------------//
0002 // Copyright 2024 UT-Battelle, LLC, and other Celeritas developers.
0003 // See the top-level COPYRIGHT file for details.
0004 // SPDX-License-Identifier: (Apache-2.0 OR MIT)
0005 //---------------------------------------------------------------------------//
0006 //! \file orange/orangeinp/detail/SenseEvaluator.hh
0007 //---------------------------------------------------------------------------//
0008 #pragma once
0009
0010 #include "corecel/cont/VariantUtils.hh"
0011 #include "orange/OrangeTypes.hh"
0012 #include "orange/surf/VariantSurface.hh"
0013
0014 #include "../CsgTree.hh"
0015
0016 namespace celeritas
0017 {
0018 namespace orangeinp
0019 {
0020 namespace detail
0021 {
0022 //---------------------------------------------------------------------------//
0023 /*!
0024  * Evaluate whether a point is inside a CSG tree node.
0025  *
0026  * This is a construction-time helper that combines \c SenseCalculator with \c
0027  * LogicEvaluator. Its intended use is primarily for testing.
0028  */
0029 class SenseEvaluator
0030 {
0031   public:
0032     //!@{
0033     //! \name Type aliases
0034     using result_type = SignedSense;
0035     using VecSurface = std::vector<VariantSurface>;
0036     //!@}
0037
0038   public:
0039     // Construct with a CSG tree, surfaces, and a point
0040     inline SenseEvaluator(CsgTree const& tree,
0041                           VecSurface const& surfaces,
0042                           Real3 const& pos);
0043
0044     //! Visit from a node ID
0045     result_type operator()(NodeId const& n) const;
0046
0047     //!@{
0048     //! \name Visit a node directly
0049     //! Point is always inside
0050     result_type operator()(True const&) const { return SignedSense::inside; }
0051     //! Point is always outside
0052     result_type operator()(False const&) const { return SignedSense::outside; }
0053     // Evaluate a surface
0054     result_type operator()(Surface const&) const;
0055     // Redirect an alias
0056     result_type operator()(Aliased const&) const;
0057     // Negate the daughter result
0058     result_type operator()(Negated const&) const;
0059     // Visit daughter nodes using short circuit logic
0060     result_type operator()(Joined const&) const;
0061     //!@}
0062
0063   private:
0064     ContainerVisitor<CsgTree const&, NodeId> visit_node_;
0065     VecSurface const& surfaces_;
0066     Real3 pos_;
0067 };
0068
0069 //---------------------------------------------------------------------------//
0070 // INLINE DEFINITIONS
0071 //---------------------------------------------------------------------------//
0072 /*!
0073  * Construct with a CSG tree and the position to test.
0074  */
0075 SenseEvaluator::SenseEvaluator(CsgTree const& tree,
0076                                VecSurface const& surfaces,
0077                                Real3 const& pos)
0078     : visit_node_{tree}, surfaces_{surfaces}, pos_{pos}
0079 {
0080 }
0081
0082 //---------------------------------------------------------------------------//
0083 }  // namespace detail
0084 }  // namespace orangeinp
0085 }  // namespace celeritas