positionspatializationrange.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/base/memory.h"
#include "gwnavruntime/base/endianness.h"
#include "gwnavruntime/math/fastmath.h"

namespace Kaim
{

class PositionSpatializationRange
{
    KY_DEFINE_NEW_DELETE_OPERATORS(MemStat_WorldFwk)

public:
    PositionSpatializationRange()
        : m_rangeAbovePosition(0.0f)
        , m_rangeBelowPosition(0.0f)
    {}

    PositionSpatializationRange(KyFloat32 above, KyFloat32 below)
        : m_rangeAbovePosition(above)
        , m_rangeBelowPosition(below)
    {}

    bool CanBeSpatialized(KyFloat32 pos_z, KyFloat32 navMesh_z) const
    {
        return LessEq(pos_z - m_rangeBelowPosition, navMesh_z, pos_z + m_rangeAbovePosition);
    }

    void Clear()
    {
        m_rangeAbovePosition = 0.0f;
        m_rangeBelowPosition = 0.0f;
    }

    bool operator==(const PositionSpatializationRange& other) const { return m_rangeAbovePosition == other.m_rangeAbovePosition && m_rangeBelowPosition == other.m_rangeBelowPosition; }

    KyFloat32 m_rangeAbovePosition; 
    KyFloat32 m_rangeBelowPosition; 
};
// VerticalRange is a better, shorter name
// typedef PositionSpatializationRange VerticalRange;


KY_INLINE void SwapEndianness(Endianness::Target e, PositionSpatializationRange& self)
{
    SwapEndianness(e, self.m_rangeAbovePosition);
    SwapEndianness(e, self.m_rangeBelowPosition);
}


class DatabaseGenMetrics;

class DatabasePositionSpatializationRange
{
    KY_DEFINE_NEW_DELETE_OPERATORS(MemStat_WorldFwk)
    KY_CLASS_WITHOUT_COPY(DatabasePositionSpatializationRange)

public:
    DatabasePositionSpatializationRange()
        : m_genMetrics(nullptr), m_customized(false)
    {}

    void SetDatabaseGenMetrics(DatabaseGenMetrics* genMetrics) { m_genMetrics = genMetrics; }

    void InitFromGenerationMetrics();

    KyResult SetSpatializationRange(KyFloat32 abovePosition, KyFloat32 belowPosition);

    const PositionSpatializationRange& GetPositionSpatializationRange() const { return m_positionSpatializationRange; }

    bool IsCustomized() const { return m_customized; }

private:
    PositionSpatializationRange m_positionSpatializationRange;
    DatabaseGenMetrics* m_genMetrics; // never null because SetDatabaseGenMetrics() is called in Database constructor
    bool m_customized;
};

} // namespace Kaim