databasetriangleiterator.h

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/*
* Copyright 2015 Autodesk, Inc. All rights reserved.
* Use of this software is subject to the terms of the Autodesk license agreement and any attachments or Appendices thereto provided at the time of installation or download,
* or which otherwise accompanies this software in either electronic or hard copy form, or which is signed by you and accepted by Autodesk.
*/



#ifndef Navigation_DatabaseTriangleIterator_H
#define Navigation_DatabaseTriangleIterator_H

#include "gwnavruntime/math/box2iiterator.h"
#include "gwnavruntime/navmesh/identifiers/navtriangleptr.h"
#include "gwnavruntime/navmesh/navmeshtypes.h"

namespace Kaim
{

class Database;

class DatabaseTriangleIterator
{
public:
    DatabaseTriangleIterator(Database* database = KY_NULL, const CellBox& cellBox = CellBox());
    void Init(Database* database, const CellBox& cellBox = CellBox());

    bool IsValid() const;

    NavTrianglePtr GetNavTrianglePtr() const;

    DatabaseTriangleIterator& operator++();

private:
    void Invalidate();

private:
    Ptr<Database> m_database;
    KyUInt32 m_navDataChangeIdx; // used to ensure database didn't change between two calls
    CellBox m_cellBox;
    Box2iIteratorInBiggerRowMajorBox m_boxIterator;
    NavFloorIdx m_activeNavFloorIdx;
    NavTriangleIdx m_triangleIdx;
};

}

#endif