navmeshelementblob.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/navmesh/blobs/navcellblob.h"
#include "gwnavruntime/basesystem/intcoordsystem.h"
#include "gwnavruntime/basesystem/coordsystem.h"
#include "gwnavruntime/base/guidcompound.h"

namespace Kaim
{

class DatabaseGenMetrics;

class NavMeshGenParameters
{
public:
    NavMeshGenParameters();
    bool operator==(const NavMeshGenParameters& other) const;
    bool operator!=(const NavMeshGenParameters& other) const { return !operator==(other); }

    KyInt32 GetCellSizeInCoord() const; 

    void ComputeDatabaseGenMetrics(DatabaseGenMetrics& genMetrics) const;
    bool IsCompatibleWith(const DatabaseGenMetrics& genMetrics) const;

public:
    KyFloat32 m_entityRadius;      
    KyFloat32 m_entityHeight;      
    KyFloat32 m_stepMax;           
    KyFloat32 m_slopeMax;          
    KyFloat32 m_altitudeTolerance; 
    KyFloat32 m_integerPrecision;  
    KyInt32 m_cellSizeInPixel;     
};

class NavMeshElementBlob
{
    KY_CLASS_WITHOUT_COPY(NavMeshElementBlob)
    KY_ROOT_BLOB_CLASS(NavData, NavMeshElementBlob, 1)
public:

    enum NavMeshFlags
    {
        NAVMESH_NO_FLAG          = 0,
        NAVMESH_FROM_PARTITIONER = 1,
        // NAVMESH_ADDITIONAL_FLAG = 1<<1; etc
        NavMeshFlags_FORCE32 = 0xFFFFFFFF
    };

    typedef NavMeshGenParameters GenParameters;

public:
    NavMeshElementBlob() {}

    KyUInt32           GetNavCellBlobCount()         const;
    const NavCellBlob& GetNavCellBlob(KyUInt32 idx) const;
    const CellBox&     GetCellBox()                 const;

    bool IsCompatibleWith(const NavMeshGenParameters& genParameters) const;

public: // internal
    bool IsValid() const; 
public:
    CellBox m_cellBox;             
    GuidCompound m_guidCompound;   
    NavMeshGenParameters m_genParameters; 
    KyUInt32 m_flags;              

    BlobArray<BlobRef<NavCellBlob> > m_cells; 
};

inline void SwapEndianness(Endianness::Target e, NavMeshGenParameters& self)
{
    SwapEndianness(e, self.m_entityRadius);
    SwapEndianness(e, self.m_entityHeight);
    SwapEndianness(e, self.m_stepMax);
    SwapEndianness(e, self.m_slopeMax);
    SwapEndianness(e, self.m_altitudeTolerance);
    SwapEndianness(e, self.m_integerPrecision);
    SwapEndianness(e, self.m_cellSizeInPixel);
}

inline void SwapEndianness(Endianness::Target e, NavMeshElementBlob& self)
{
    SwapEndianness(e, self.m_cellBox);
    SwapEndianness(e, self.m_guidCompound);
    SwapEndianness(e, self.m_genParameters);
    SwapEndianness(e, self.m_flags);
    SwapEndianness(e, self.m_cells);
}

KY_INLINE KyInt32 NavMeshGenParameters::GetCellSizeInCoord() const { return IntCoordSystem::PixelCoordToInt(m_cellSizeInPixel); }

KY_INLINE KyUInt32           NavMeshElementBlob::GetNavCellBlobCount()         const { return m_cells.GetCount();  }
KY_INLINE const NavCellBlob& NavMeshElementBlob::GetNavCellBlob(KyUInt32 idx) const { return *m_cells.GetValues()[idx].Ptr(); }
KY_INLINE const CellBox&     NavMeshElementBlob::GetCellBox()                 const { return m_cellBox;           }

KY_INLINE bool NavMeshElementBlob::IsCompatibleWith(const NavMeshGenParameters& genParameters) const
{
    return m_genParameters == genParameters;
}

}