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/*******************************************************************************
* CGoGN: Combinatorial and Geometric modeling with Generic N-dimensional Maps  *
* version 0.1                                                                  *
* Copyright (C) 2009-2012, IGG Team, LSIIT, University of Strasbourg           *
*                                                                              *
* This library is free software; you can redistribute it and/or modify it      *
* under the terms of the GNU Lesser General Public License as published by the *
* Free Software Foundation; either version 2.1 of the License, or (at your     *
* option) any later version.                                                   *
*                                                                              *
* This library 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 Lesser General Public License  *
* for more details.                                                            *
*                                                                              *
* You should have received a copy of the GNU Lesser General Public License     *
* along with this library; if not, write to the Free Software Foundation,      *
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA.           *
*                                                                              *
* Web site: http://cgogn.unistra.fr/                                           *
* Contact information: cgogn@unistra.fr                                        *
*                                                                              *
*******************************************************************************/

#ifndef __MAP_MULTI__
#define __MAP_MULTI__

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#include "Topology/generic/genericmap.h"
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namespace CGoGN
{

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class MapMulti : public GenericMap
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{
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	template<typename MAP> friend class DartMarkerTmpl ;
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	template<typename MAP> friend class DartMarkerStore ;
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public:
	MapMulti()
	{
		initMR();
	}
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	inline virtual void clear(bool removeAttrib);
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protected:
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	// protected copy constructor to prevent the copy of map
	MapMulti(const MapMulti& m): GenericMap(m) {}

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	std::vector<AttributeMultiVector<Dart>*> m_involution;
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	std::vector<AttributeMultiVector<Dart>*> m_permutation;
	std::vector<AttributeMultiVector<Dart>*> m_permutation_inv;

	/**
	 * container for multiresolution darts
	 */
	AttributeContainer m_mrattribs ;

	/**
	 * pointers to attributes of m_mrattribs that store indices of m_attribs[DART]
	 * (one for each level)
	 */
	std::vector< AttributeMultiVector<unsigned int>* > m_mrDarts ;

	/**
	 * pointer to attribute of m_mrattribs that stores darts insertion levels
	 */
	AttributeMultiVector<unsigned int>* m_mrLevels ;

	/**
	 * vector that stores the number of darts inserted on each resolution level
	 */
	std::vector<unsigned int> m_mrNbDarts ;

	/**
	 * current level in multiresolution map
	 */
	unsigned int m_mrCurrentLevel ;

	/**
	 * stack for current level temporary storage
	 */
	std::vector<unsigned int> m_mrLevelStack ;

	/****************************************
	 *          DARTS MANAGEMENT            *
	 ****************************************/
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	inline Dart newDart();
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	inline virtual void deleteDart(Dart d);

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public:
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	inline unsigned int dartIndex(Dart d) const;

	inline Dart indexDart(unsigned int index) const;
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	/**
	 * get the number of darts inserted in the given leveldart
	 */
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	inline unsigned int getNbInsertedDarts(unsigned int level) const;
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	/**
	 * get the number of darts that define the map of the given leveldart
	 */
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	inline unsigned int getNbDarts(unsigned int level) const;
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	/**
	 * @return the number of darts in the map
	 */
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	inline unsigned int getNbDarts() const;
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	inline AttributeContainer& getDartContainer();

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	/**
	 * get the insertion level of a dart
	 */
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	inline unsigned int getDartLevel(Dart d) const;
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protected:
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	/**
	 *
	 */
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	inline void incDartLevel(Dart d) const ;
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	/**
	 * duplicate a dart starting from current level
	 */
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	inline void duplicateDart(Dart d) ;
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	inline void duplicateDartAtOneLevel(Dart d, unsigned int level) ;
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	/****************************************
	 *        RELATIONS MANAGEMENT          *
	 ****************************************/

	inline void addInvolution();
	inline void addPermutation();

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	inline AttributeMultiVector<Dart>* getInvolutionAttribute(unsigned int i);
	inline AttributeMultiVector<Dart>* getPermutationAttribute(unsigned int i);
	inline AttributeMultiVector<Dart>* getPermutationInvAttribute(unsigned int i);

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	virtual unsigned int getNbInvolutions() const = 0;
	virtual unsigned int getNbPermutations() const = 0;

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	template <int I>
	inline Dart getInvolution(Dart d) const;

	template <int I>
	inline Dart getPermutation(Dart d) const;

	template <int I>
	inline Dart getPermutationInv(Dart d) const;

	template <int I>
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	inline void involutionSew(Dart d, Dart e);
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	template <int I>
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	inline void involutionUnsew(Dart d);
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	template <int I>
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	inline void permutationSew(Dart d, Dart e);
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	template <int I>
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	inline void permutationUnsew(Dart d);
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	virtual void compactTopo();
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	/****************************************
	 *      MR CONTAINER MANAGEMENT         *
	 ****************************************/
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public:
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	/**
	 * get the MR attribute container
	 */
	AttributeContainer& getMRAttributeContainer() ;

	/**
	 * get the MR attribute container
	 */
	AttributeMultiVector<unsigned int>* getMRDartAttributeVector(unsigned int level) ;
	AttributeMultiVector<unsigned int>* getMRLevelAttributeVector();

	/****************************************
	 *     RESOLUTION LEVELS MANAGEMENT     *
	 ****************************************/

	void printMR() ;

	/**
	 * initialize the multiresolution attribute container
	 */
	void initMR() ;

	/**
	 * get the current resolution level
	 */
	unsigned int getCurrentLevel() ;

	/**
	 * set the current resolution level
	 */
	void setCurrentLevel(unsigned int l) ;

	/**
	 * increment the current resolution level
	 */
	void incCurrentLevel() ;

	/**
	 * decrement the current resolution level
	 */
	void decCurrentLevel() ;

	/**
	 * store current resolution level on a stack
	 */
	void pushLevel() ;

	/**
	 * set as current the resolution level of the top of the stack
	 */
	void popLevel() ;

	/**
	 * get the maximum resolution level
	 */
	unsigned int getMaxLevel() ;

	/**
	 * add a resolution level in the back of the level table
	 */
	void addLevelBack() ;

	/**
	 * add a resolution level in the front of the level table
	 */
	void addLevelFront();

	/**
	 * remove last resolution level
	 */
	void removeLevelBack() ;

	/**
	 * remove first resolution level
	 */
	void removeLevelFront();

	/**
	 * copy MRDarts from level-1 to level
	 */
	void copyLevel(unsigned int level);

	/**
	 * duplicate darts from level-1 to level
	 */
	void duplicateDarts(unsigned int newlevel);

	/****************************************
	 *           DARTS TRAVERSALS           *
	 ****************************************/

	/**
	 * Begin of map
	 * @return the first dart of the map
	 */
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	inline Dart begin() const;
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	/**
	 * End of map
	 * @return the end iterator (next of last) of the map
	 */
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	inline Dart end() const;
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	/**
	 * allow to go from a dart to the next
	 * in the order of storage
	 * @param d reference to the dart to be modified
	 */
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	inline void next(Dart& d) const;

	/**
	 * Apply a functor on each dart of the map
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	 * @param f a callable taking a Dart parameter
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	 */
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	template <typename FUNC>
	void foreach_dart(FUNC f) ;

	template <typename FUNC>
	void foreach_dart(FUNC& f) ;
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	/****************************************
	 *             SAVE & LOAD              *
	 ****************************************/

	bool saveMapBin(const std::string& filename) const;

	bool loadMapBin(const std::string& filename);

	bool copyFrom(const GenericMap& map);
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	void restore_topo_shortcuts();
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} ;
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} //namespace CGoGN

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#include "Topology/generic/mapImpl/mapMulti.hpp"
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#endif