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/*
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* Written by Christian Thode Larsen 2009-2010
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* Contact: thode2d@gmail.com
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* Based on original work by J. Andreas Baerentzen
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* Inspired by OpenMesh (www.openmesh.org)
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*/
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#ifndef __HMESH_ATTRIBUTEVECTOR_H__
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#define __HMESH_ATTRIBUTEVECTOR_H__
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#include <vector>
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#include <map>
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#include "Manifold.h"
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namespace HMesh
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{
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// IndexRemap used for the cleanup function, whenever the manifold is cleaned
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typedef std::map<int, int> IndexRemap;
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template<typename ITEM, typename ITEMID>
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class AttributeVector
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{
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public:
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AttributeVector(IndexType _size, ITEM item = ITEM());
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ITEMID add(const ITEM& item);
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// just returning should be ok; manifold and attribs should always be in sync.
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// const context means manifold and attribs should be const, hence in sync.
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const ITEM& get(ITEMID id) const;
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ITEM& get(ITEMID id);
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const ITEM& operator [](ITEMID id) const;
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ITEM& operator [](ITEMID id);
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void resize(IndexType _size, ITEM item = ITEM());
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private:
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std::vector<ITEM> items;
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};
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template<typename ITEM>
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class VertexAttributeVector : public AttributeVector<ITEM, VertexID>
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{
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public:
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VertexAttributeVector(const Manifold& m, ITEM item = ITEM());
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};
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template<typename ITEM>
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class FaceAttributeVector : public AttributeVector<ITEM, FaceID>
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{
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public:
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FaceAttributeVector(const Manifold& m, ITEM item = ITEM());
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};
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template<typename ITEM>
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class HalfEdgeAttributeVector : public AttributeVector<ITEM, HalfEdgeID>
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{
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public:
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HalfEdgeAttributeVector(const Manifold& m, ITEM item = ITEM());
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};
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template<typename ITEM>
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inline VertexAttributeVector<ITEM>::VertexAttributeVector(const Manifold& m, ITEM item) : AttributeVector<ITEM, VertexID>(m.no_vertices(false), item){}
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template<typename ITEM>
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inline FaceAttributeVector<ITEM>::FaceAttributeVector(const Manifold& m, ITEM item) : AttributeVector<ITEM, FaceID>(m.no_faces(false), item){}
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template<typename ITEM>
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inline HalfEdgeAttributeVector<ITEM>::HalfEdgeAttributeVector(const Manifold& m, ITEM item) : AttributeVector<ITEM, HalfEdgeID>(m.no_halfedges(false), item){}
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template<typename ITEM, typename ITEMID>
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inline AttributeVector<ITEM, ITEMID>::AttributeVector(IndexType _size, ITEM item) : items(_size, item){}
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template<typename ITEM, typename ITEMID>
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inline void AttributeVector<ITEM, ITEMID>::resize(IndexType _size, ITEM item)
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{ items.resize(_size, item); }
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template<typename ITEM, typename ITEMID>
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inline ITEMID AttributeVector<ITEM, ITEMID>::add(const ITEM& item)
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{ items.push_back(item); return items.size() - 1; }
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template<typename ITEM, typename ITEMID>
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inline const ITEM& AttributeVector<ITEM, ITEMID>::get(ITEMID id) const
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{ return items[id.idx()]; }
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template<typename ITEM, typename ITEMID>
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inline ITEM& AttributeVector<ITEM, ITEMID>::get(ITEMID id)
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{
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if(items.size() < id.idx())
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items.resize(id.idx() + 1);
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return items[id.idx()];
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}
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template<typename ITEM, typename ITEMID>
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inline const ITEM& AttributeVector<ITEM, ITEMID>::operator [](ITEMID id) const
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{ return items[id.idx()]; }
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template<typename ITEM, typename ITEMID>
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inline ITEM& AttributeVector<ITEM, ITEMID>::operator [](ITEMID id)
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{
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if(items.size() < id.idx())
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items.resize(id.idx() + 1);
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return items[id.idx()];
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}
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}
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#endif
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