heightfieldblob.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/blob/baseblobbuilder.h"
#include "gwnavruntime/blob/blobarray.h"
#include "gwnavruntime/blob/blobtypes.h"
#include "gwnavruntime/collision/collisiondatablobcategory.h"
#include "gwnavruntime/math/vec3f.h"

namespace Kaim
{

class HeightFieldBlob
{
    KY_ROOT_BLOB_CLASS(CollisionData, HeightFieldBlob, 0)
    KY_CLASS_WITHOUT_COPY(HeightFieldBlob)

public:
    HeightFieldBlob() {}

    Vec3f m_origin;
    BlobArray<KyFloat32> m_altitudes;
    KyFloat32 m_tileSize;
    KyUInt32 m_xAltitudeCount;
    KyUInt32 m_yAltitudeCount;
};

inline void SwapEndianness(Endianness::Target e, HeightFieldBlob& self)
{
    SwapEndianness(e, self.m_origin);
    SwapEndianness(e, self.m_altitudes);
    SwapEndianness(e, self.m_tileSize);
    SwapEndianness(e, self.m_xAltitudeCount);
    SwapEndianness(e, self.m_yAltitudeCount);
}

class HeightFieldBlobBuilder : public BaseBlobBuilder<HeightFieldBlob>
{
public:
    HeightFieldBlobBuilder(const Vec3f& origin, KyFloat32 tileSize, KyUInt32 xCount, KyUInt32 yCount)
      : m_origin(origin), m_tileSize(tileSize), m_xAltitudeCount(xCount), m_yAltitudeCount(yCount)
    {
    }

    void DoBuild()
    {
        BLOB_SET(m_blob->m_origin, m_origin);
        BLOB_ARRAY(m_blob->m_altitudes, m_xAltitudeCount * m_yAltitudeCount);
        BLOB_SET(m_blob->m_tileSize, m_tileSize);
        BLOB_SET(m_blob->m_xAltitudeCount, m_xAltitudeCount);
        BLOB_SET(m_blob->m_yAltitudeCount, m_yAltitudeCount);
    }

    Vec3f m_origin;
    KyFloat32 m_tileSize;
    KyUInt32 m_xAltitudeCount;
    KyUInt32 m_yAltitudeCount;
};
}