boundarypixel.h

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/*
* Copyright 2016 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.
*/

#pragma once

#include "gwnavgeneration/boundary/boundarytypes.h"
#include "gwnavgeneration/navraster/navrastercell.h"

namespace Kaim
{

class BoundaryEdge;

// There is one BoundaryPixel for each NavRasterPixel.
class BoundaryPixel
{
    KY_DEFINE_NEW_DELETE_OPERATORS(Stat_Default_Mem)
public:
    BoundaryPixel(): m_navRasterPixel(nullptr), m_floorColor(PixelColor_Unset), m_connexIdx(KyUInt32MAXVAL), m_isOutside(false)
    {
        for (CardinalDir dir = 0; dir < 4; ++dir)
            m_edges[dir] = nullptr;
    }

    void Init(const NavRasterPixel* navRasterPixel, bool isOutside)
    {
        m_navRasterPixel = navRasterPixel;
        m_floorColor = navRasterPixel->m_floorColor;
        m_connexIdx = navRasterPixel->m_connexIdx;
        m_isOutside = isOutside;
    }

    KyUInt32 GetFeatureMask(CardinalDir dir) const
    {
        KY_ASSERT(m_navRasterPixel != nullptr);
        return m_navRasterPixel->GetFeatureMask(dir);
    }

public:
    const NavRasterPixel* m_navRasterPixel;
    PixelColor m_floorColor;
    KyUInt32 m_connexIdx;
    bool m_isOutside;

    //   +---1=N---+
    //   |         |
    // 2=W         0=E
    //   |         |
    //   +---3=S---+
    BoundaryEdge* m_edges[4];
};


}