// This file is part of libigl, a simple c++ geometry processing library.
// 
// Copyright (C) 2015 Qingnan Zhou <qnzhou@gmail.com>
// 
// 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/.
#ifndef IGL_COPYLEFT_CGAL_COMONENT_INSIDE_COMPONENT
#define IGL_COPYLEFT_CGAL_COMONENT_INSIDE_COMPONENT

#include "../../igl_inline.h"
#include <Eigen/Core>
#include <vector>

namespace igl {
  namespace copyleft
  {
    namespace cgal 
    {
      /// Determine if connected facet component (V1, F1, I1) is inside of
      /// connected facet component (V2, F2, I2).
      ///
      /// \pre Both components must represent closed, self-intersection free,
      /// non-degenerated surfaces that are the boundary of 3D volumes. In
      /// addition, (V1, F1, I1) must not intersect with (V2, F2, I2).
      ///
      /// @param[in] V1  #V1 by 3 list of vertex position of mesh 1
      /// @param[in] F1  #F1 by 3 list of triangles indices into V1
      /// @param[in] I1  #I1 list of indices into F1, indicate the facets of component
      /// @param[in] V2  #V2 by 3 list of vertex position of mesh 2
      /// @param[in] F2  #F2 by 3 list of triangles indices into V2
      /// @param[in] I2  #I2 list of indices into F2, indicate the facets of component
      /// @return true iff (V1, F1, I1) is entirely inside of (V2, F2, I2).
      template<typename DerivedV, typename DerivedF, typename DerivedI>
          IGL_INLINE bool component_inside_component(
                  const Eigen::PlainObjectBase<DerivedV>& V1,
                  const Eigen::PlainObjectBase<DerivedF>& F1,
                  const Eigen::PlainObjectBase<DerivedI>& I1,
                  const Eigen::PlainObjectBase<DerivedV>& V2,
                  const Eigen::PlainObjectBase<DerivedF>& F2,
                  const Eigen::PlainObjectBase<DerivedI>& I2);
      /// \overload
      template<typename DerivedV, typename DerivedF>
          IGL_INLINE bool component_inside_component(
                  const Eigen::PlainObjectBase<DerivedV>& V1,
                  const Eigen::PlainObjectBase<DerivedF>& F1,
                  const Eigen::PlainObjectBase<DerivedV>& V2,
                  const Eigen::PlainObjectBase<DerivedF>& F2);
    }
  }
}

#ifndef IGL_STATIC_LIBRARY
#include "component_inside_component.cpp"
#endif
#endif