navtriangleblob.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 "gwnavruntime/math/triangle3f.h"
#include "gwnavruntime/navmesh/identifiers/navtriangleptr.h"
#include "gwnavruntime/blob/baseblobbuilder.h"
#include "gwnavruntime/database/navtag.h"


namespace Kaim
{

class NavTrianglePtr;

// Blob to visual debug NavTriangle information.
class NavTriangleBlob
{
public:
    enum ValidityStatus
    {
        VALID,
        INVALID
    };
    NavTriangleBlob()
        : m_floorIdx(NavFloorIdx_Invalid)
        , m_triangleIdx(CompactNavTriangleIdx_MAXVAL)
        , m_status((KyUInt16)INVALID)
    {}

    ValidityStatus GetValidityStatus() const { return (ValidityStatus)m_status; }

    Triangle3f m_triangle;
    CellPos    m_cellPos; // The position of the cell that contains this triangle within the grid of PathData cells.
    NavFloorIdx m_floorIdx;
    CompactNavTriangleIdx m_triangleIdx;
    KyUInt16 m_status;
    NavTag m_navTag;
};

inline void SwapEndianness(Kaim::Endianness::Target e, NavTriangleBlob& self)
{
    SwapEndianness(e, self.m_triangle);
    SwapEndianness(e, self.m_cellPos);
    SwapEndianness(e, self.m_floorIdx);
    SwapEndianness(e, self.m_triangleIdx);
    SwapEndianness(e, self.m_status);
    SwapEndianness(e, self.m_navTag);
}


class NavTriangleBlobBuilder : public BaseBlobBuilder<NavTriangleBlob>
{
public:
    NavTriangleBlobBuilder(const NavTrianglePtr& trianglePtr) : m_trianglePtr(trianglePtr) {}
private:
    void DoBuild()
    {
        if (IsWriteMode())
        {
            if (m_trianglePtr.IsValid() == false)
            {
                m_blob->m_status = (KyUInt16)NavTriangleBlob::INVALID;
                return;
            }

            m_blob->m_floorIdx = (NavFloorIdx)m_trianglePtr.GetNavFloor()->m_idxInTheNavCellBuffer;
            m_blob->m_triangleIdx = (CompactNavTriangleIdx)m_trianglePtr.GetTriangleIdx();
            m_blob->m_cellPos = m_trianglePtr.GetCellPos();
            m_blob->m_status = (KyUInt16)NavTriangleBlob::VALID;
            m_trianglePtr.GetVerticesPos3f(m_blob->m_triangle);
        }

        if (m_trianglePtr.IsValid() == true)
        {
            BLOB_BUILD(m_blob->m_navTag, NavTagCopier(m_trianglePtr.GetNavTag()));
        }
    }

    NavTrianglePtr m_trianglePtr;
};

}