204 lines
6.4 KiB
C++
204 lines
6.4 KiB
C++
/***************************************************************************
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* Copyright (c) 2005 Imetric 3D GmbH *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#ifndef MESH_HELPERS_H
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#define MESH_HELPERS_H
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#include "Elements.h"
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#include <Base/Vector3D.h>
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namespace MeshCore {
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/**
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* Helper class for points.
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*/
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struct MeshExport MeshHelpPoint
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{
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inline void Set (unsigned long ulCorner, unsigned long ulFacet, const Base::Vector3f &rclPt);
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inline bool operator < (const MeshHelpPoint &rclObj) const;
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inline bool operator == (const MeshHelpPoint &rclObj) const;
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unsigned long Index (void) const
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{ return _ulInd >> 2; }
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unsigned long Corner (void) const
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{ return _ulInd & 3; }
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MeshPoint _clPt;
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unsigned long _ulInd;
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};
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/**
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* Helper class for list of points.
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*/
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struct MeshPointBuilder: public std::vector<MeshHelpPoint>
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{
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inline void Add (unsigned long ulCorner, unsigned long ulFacet, const Base::Vector3f &rclPt);
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};
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/**
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* Helper class for edges.
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*/
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struct MeshExport MeshHelpBuilderEdge
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{
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unsigned long Side (void) const
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{ return _ulFIndex & 3; }
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unsigned long Index (void) const
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{ return _ulFIndex >> 2; }
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inline void Set (unsigned long ulInd1, unsigned long ulInd2,
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unsigned long ulSide, unsigned long ulFInd);
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inline bool operator < (const MeshHelpBuilderEdge &rclObj) const;
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inline bool operator == (const MeshHelpBuilderEdge &rclObj) const;
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inline bool operator != (const MeshHelpBuilderEdge &rclObj) const;
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unsigned long _ulFIndex; // facet index
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unsigned long _aulInd[2]; // point index
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};
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/**
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* Helper class to build up list of edges.
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*/
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struct MeshEdgeBuilder: public std::vector<MeshHelpBuilderEdge>
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{
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typedef std::vector<MeshHelpBuilderEdge>::iterator _TIterator;
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inline void Add (unsigned long ulInd1, unsigned long ulInd2, unsigned long ulSide, unsigned long ulFInd);
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};
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inline void MeshHelpPoint::Set (unsigned long ulCorner, unsigned long ulFacet, const Base::Vector3f &rclPt)
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{
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_ulInd = (ulFacet << 2) | ulCorner;
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_clPt = rclPt;
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};
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inline bool MeshHelpPoint::operator < (const MeshHelpPoint &rclObj) const
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{
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// if (fabs(_clPt.x - rclObj._clPt.x) < MeshDefinitions::_fMinPointDistanceD1)
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// {
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// if (fabs(_clPt.y - rclObj._clPt.y) < MeshDefinitions::_fMinPointDistanceD1)
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// {
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// if (fabs(_clPt.z - rclObj._clPt.z) < MeshDefinitions::_fMinPointDistanceD1)
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// return false;
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// else
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// return _clPt.z < rclObj._clPt.z;
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// }
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// else
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// return _clPt.y < rclObj._clPt.y;
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// }
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// else
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// return _clPt.x < rclObj._clPt.x;
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if (_clPt.x == rclObj._clPt.x)
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{
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if (_clPt.y == rclObj._clPt.y)
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return _clPt.z < rclObj._clPt.z;
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else
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return _clPt.y < rclObj._clPt.y;
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}
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else
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return _clPt.x < rclObj._clPt.x;
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}
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inline bool MeshHelpPoint::operator == (const MeshHelpPoint &rclObj) const
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{
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return Base::DistanceP2(_clPt, rclObj._clPt) < MeshDefinitions::_fMinPointDistanceP2;
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/*
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if (fabs(_clPt.x - rclObj._clPt.x) < (MeshDefinitions::_fMinPointDistanceD1 + 1.0e-2f))
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{
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if (fabs(_clPt.y - rclObj._clPt.y) < (MeshDefinitions::_fMinPointDistanceD1 + 1.0e-2f))
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{
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if (fabs(_clPt.z - rclObj._clPt.z) < (MeshDefinitions::_fMinPointDistanceD1 + 1.0e-2f))
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return true;
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else
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return false;
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}
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else
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return false;
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}
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else
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return false;
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*/
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}
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inline void MeshPointBuilder::Add (unsigned long ulCorner, unsigned long ulFacet, const Base::Vector3f &rclPt)
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{
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MeshHelpPoint clObj;
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clObj.Set(ulCorner, ulFacet, rclPt);
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push_back(clObj);
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}
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inline void MeshHelpBuilderEdge::Set ( unsigned long ulInd1, unsigned long ulInd2,
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unsigned long ulSide, unsigned long ulFInd)
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{
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if (ulInd1 < ulInd2)
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{
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_aulInd[0] = ulInd1;
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_aulInd[1] = ulInd2;
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}
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else
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{
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_aulInd[0] = ulInd2;
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_aulInd[1] = ulInd1;
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}
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_ulFIndex = (ulFInd << 2) | ulSide;
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}
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inline bool MeshHelpBuilderEdge::operator < (const MeshHelpBuilderEdge &rclObj) const
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{
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if (_aulInd[0] == rclObj._aulInd[0])
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return _aulInd[1] < rclObj._aulInd[1];
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else
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return _aulInd[0] < rclObj._aulInd[0];
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}
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inline bool MeshHelpBuilderEdge::operator == (const MeshHelpBuilderEdge &rclObj) const
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{
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return (_aulInd[0] == rclObj._aulInd[0]) && (_aulInd[1] == rclObj._aulInd[1]);
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}
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inline bool MeshHelpBuilderEdge::operator != (const MeshHelpBuilderEdge &rclObj) const
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{
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return (_aulInd[0] != rclObj._aulInd[0]) || (_aulInd[1] != rclObj._aulInd[1]);
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}
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inline void MeshEdgeBuilder::Add (unsigned long ulInd1, unsigned long ulInd2,
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unsigned long ulSide, unsigned long ulFInd)
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{
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MeshHelpBuilderEdge clObj;
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clObj.Set(ulInd1, ulInd2, ulSide, ulFInd);
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push_back(clObj);
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}
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} // namespace MeshCore
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#endif // MESH_HELPERS_H
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