boundaryedge.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/boundary/boundarypixel.h"
#include "gwnavgeneration/boundary/boundaryvertex.h"

namespace Kaim
{

class BoundaryVertex;
class BoundaryPixel;
class BoundaryContour;
class BoundarySimplifyPolyline;
class BoundarySimplifiedEdge;

class BoundaryEdge
{
    KY_DEFINE_NEW_DELETE_OPERATORS(Stat_Default_Mem)
public:
    void Init(CardinalDir dir, BoundaryEdgeType type, bool isInside, KyUInt32 leftColor, KyUInt32 leftNavTagIdx, KyUInt32 index);

    void ComputeNextEdge();

    bool IsInContour() const { return m_contour != nullptr; }

    bool IsOutside()  const { return m_isOutside; }

    bool HasDiscontinuityVertex() const
    {
        return (m_vertex[0] != nullptr && m_vertex[0]->IsDiscontinuity()) ||
               (m_vertex[1] != nullptr && m_vertex[1]->IsDiscontinuity());
    }

public:
    KyUInt32 m_index;

    CardinalDir m_orientation;
    BoundaryEdgeType m_type;
    BoundaryVertex* m_vertex[2];
    KyUInt32 m_leftColor;
    KyUInt32 m_leftConnexIdx;
    bool m_isOutside;
    BoundaryEdge* m_pair;

    // contour related
    BoundaryContour* m_contour;
    BoundaryEdge* m_next;

    // simplifyPolyline related
    BoundarySimplifyPolyline* m_simplifyPolyline;
    BoundaryOrder m_simplifyPolylineOrder;

    // simplifiedEdge related
    BoundarySimplifiedEdge* m_simplifiedEdge;
};


KY_INLINE void BoundaryEdge::Init(CardinalDir dir, BoundaryEdgeType type, bool isOutside, KyUInt32 leftColor, KyUInt32 leftNavTagIdx, KyUInt32 index)
{
    m_index                 = index;
    m_orientation           = dir;
    m_type                  = type;
    m_vertex[0]             = nullptr;
    m_vertex[1]             = nullptr;
    m_leftColor             = leftColor;
    m_leftConnexIdx         = leftNavTagIdx;
    m_isOutside             = isOutside;
    m_pair                  = nullptr;
    m_contour               = nullptr;
    m_next                  = nullptr;
    m_simplifyPolyline      = nullptr;
    m_simplifyPolylineOrder = BoundaryOrder_Unset;
    m_simplifiedEdge        = nullptr;
}

}