86 lines
2.1 KiB
C++
86 lines
2.1 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program 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 Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#ifndef NL_VERTEX_NEIGHBORHOOD_H
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#define NL_VERTEX_NEIGHBORHOOD_H
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#include "nel/misc/types_nl.h"
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#include <vector>
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class PatchMesh;
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/**
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* TODO Class description
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* \author Cyril 'Hulud' Corvazier
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* \author Nevrax France
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* \date 2001
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*/
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class CVertexNeighborhood
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{
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public:
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// Default constructor reserve a good array.
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CVertexNeighborhood ();
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// build it
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void build (const PatchMesh& patch);
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// Get neighbor index
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uint getNeighborCount (uint neighborId) const
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{
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return _VectorIndex[2*neighborId];
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}
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// Get neighbor index
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uint& getNeighborCountRef (uint neighborId)
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{
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return _VectorIndex[2*neighborId];
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}
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// Get neighbor list
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const uint* getNeighborList (uint neighborId) const
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{
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// Const iterator
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std::vector<uint>::const_iterator ite=_VectorIndex.begin();
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return (&*ite) + getNeighborIndex (neighborId);
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}
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// Get neighbor list
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uint* getNeighborList (uint neighborId)
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{
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return &_VectorIndex[getNeighborIndex (neighborId)];
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}
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// Get neighbor count
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uint getNeighborIndex (uint neighborId) const
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{
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return _VectorIndex[2*neighborId+1];
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}
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// Get neighbor count
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uint& getNeighborIndexRef (uint neighborId)
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{
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return _VectorIndex[2*neighborId+1];
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}
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private:
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std::vector<uint> _VectorIndex;
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};
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extern CVertexNeighborhood vertexNeighborhoodGlobal;
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#endif // NL_VERTEX_NEIGHBORHOOD_H
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/* End of vertex_neighborhood.h */
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