navvertex.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/endianness.h"
#include "gwnavruntime/basesystem/intcoordsystem.h"
#include "gwnavruntime/navmesh/navmeshtypes.h"

namespace Kaim
{

// Represents a single vertex that forms the corner of at least one NavMesh triangle.
// NavVertex coordinates are stored on 8 bits and are local to its NavCell.
class NavVertex
{
public:
    NavVertex() : x(0xFF), y(0xFF) {}

    KyInt64 GetX64() const { return (KyInt64)GetX32(); }
    KyInt64 GetY64() const { return (KyInt64)GetY32(); }
    KyInt32 GetX32() const { return IntCoordSystem::PixelCoordToInt((KyInt32)x); }
    KyInt32 GetY32() const { return IntCoordSystem::PixelCoordToInt((KyInt32)y); }
    CoordPos GetCoordPos() const { return CoordPos(GetX32(), GetY32()); }
    CoordPos64 GetCoordPos64() const { return CoordPos64(GetX64(), GetY64()); }
    KyUInt8 operator[](KyInt32 idx) const { return (&x)[idx]; }

    bool operator==(const NavVertex& v) const { return x == v.x && y == v.y; }
    bool operator!=(const NavVertex& v) const { return x != v.x || y != v.y; }
    bool operator<(const NavVertex& v) const { return (x != v.x) ? (x < v.x) : (y < v.y); }
    bool operator>(const NavVertex& v) const { return (x != v.x) ? (x > v.x) : (y > v.y); }

public:
    KyUInt8 x;
    KyUInt8 y;
};

KY_INLINE void SwapEndianness(Endianness::Target e, NavVertex& self)
{
    SwapEndianness(e, self.x);
    SwapEndianness(e, self.y);
}
}