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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2011-2020 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
OpenFOAM is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
Class
Foam::PointIndexHit
Description
This class describes the interaction of (usually) a face and a point.
It carries the info of a successful hit and (if successful),
returns the interaction point.
like pointHit but carries face (or cell, edge etc.) index
SourceFiles
\*---------------------------------------------------------------------------*/
#ifndef PointIndexHit_H
#define PointIndexHit_H
#include "bool.H"
#include "point.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
/*---------------------------------------------------------------------------*\
Class PointIndexHit Declaration
\*---------------------------------------------------------------------------*/
template<class Point>
class PointIndexHit
{
// Private Data
//- Hit success
bool hit_;
//- Point of hit; invalid for misses
Point hitPoint_;
//- Label of face hit
label index_;
public:
// Constructors
//- Construct from components
PointIndexHit(const bool success, const Point& p, const label index)
:
hit_(success),
hitPoint_(p),
index_(index)
{}
//- Construct from point. Hit and distance set later
PointIndexHit(const Point& p)
:
hit_(false),
hitPoint_(p),
index_(-1)
{}
//- Construct null
PointIndexHit()
:
hit_(false),
hitPoint_(Zero),
index_(-1)
{}
//- Construct from Istream
PointIndexHit(Istream& is)
{
is >> *this;
}
// Member Functions
//- Is there a hit
bool hit() const
{
return hit_;
}
//- Return index
label index() const
{
return index_;
}
//- Return hit point
const Point& hitPoint() const
{
if (!hit_)
{
FatalErrorInFunction
<< "requested a hit point for a miss"
<< abort(FatalError);
}
return hitPoint_;
}
//- Return miss point
const Point& missPoint() const
{
if (hit_)
{
FatalErrorInFunction
<< "requested a miss point for a hit"
<< abort(FatalError);
}
return hitPoint_;
}
//- Return point with no checking
const Point& rawPoint() const
{
return hitPoint_;
}
Point& rawPoint()
{
return hitPoint_;
}
void setHit()
{
hit_ = true;
}
void setMiss()
{
hit_ = false;
}
void setPoint(const Point& p)
{
hitPoint_ = p;
}
void setIndex(const label index)
{
index_ = index;
}
bool operator==(const PointIndexHit& rhs) const
{
return
hit_ == rhs.hit()
&& hitPoint_ == rhs.rawPoint()
&& index_ == rhs.index();
}
bool operator!=(const PointIndexHit& rhs) const
{
return !operator==(rhs);
}
void write(Ostream& os)
{
if (hit())
{
os << "hit:" << hitPoint() << " index:" << index();
}
else
{
os << "miss:" << missPoint() << " index:" << index();
}
}
friend Ostream& operator<< (Ostream& os, const PointIndexHit& pHit)
{
if (os.format() == IOstream::ASCII)
{
os << pHit.hit_ << token::SPACE << pHit.hitPoint_
<< token::SPACE << pHit.index_;
}
else
{
os.write
(
reinterpret_cast<const char*>(&pHit),
sizeof(PointIndexHit)
);
}
// Check state of Ostream
os.check("Ostream& operator<<(Ostream&, const PointIndexHit&)");
return os;
}
friend Istream& operator>>(Istream& is, PointIndexHit& pHit)
{
if (is.format() == IOstream::ASCII)
{
return is >> pHit.hit_ >> pHit.hitPoint_ >> pHit.index_;
}
else
{
is.read
(
reinterpret_cast<char*>(&pHit),
sizeof(PointIndexHit)
);
}
// Check state of Istream
is.check("Istream& operator>>(Istream&, PointIndexHit&)");
return is;
}
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //
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