navtrianglerawptr.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/navfloorrawptr.h"
#include "gwnavruntime/navmesh/traverselogic.h"

namespace Kaim
{

class NavTriangleRawPtr
{
    KY_DEFINE_NEW_DELETE_OPERATORS(MemStat_NavData)

public:
    // ------------------------------ Functions -----------------------------

    NavTriangleRawPtr() : m_navFloorRawPtr(), m_triangleIdx(CompactNavTriangleIdx_MAXVAL) {}

    NavTriangleRawPtr(const NavFloorRawPtr& navFloorRawPtr, NavTriangleIdx triangleIdx) : m_navFloorRawPtr(navFloorRawPtr), m_triangleIdx((CompactNavTriangleIdx)triangleIdx) {}

    NavTriangleRawPtr(NavFloor* navFloor, NavTriangleIdx triangleIdx) : m_navFloorRawPtr(navFloor), m_triangleIdx((CompactNavTriangleIdx)triangleIdx) {}

    void Set(const NavFloorRawPtr& navFloorRawPtr, NavTriangleIdx triangleIdx)
    {
        m_navFloorRawPtr = navFloorRawPtr;
        m_triangleIdx = (CompactNavTriangleIdx)triangleIdx;
    }

    void Set(NavFloor* navFloor, NavTriangleIdx triangleIdx)
    {
        m_navFloorRawPtr.Set(navFloor);
        m_triangleIdx = (CompactNavTriangleIdx)triangleIdx;
    }

    bool IsValid() const { return m_navFloorRawPtr.IsValid() && m_triangleIdx != CompactNavTriangleIdx_MAXVAL; }

    void Invalidate() { m_navFloorRawPtr.Invalidate(); m_triangleIdx = CompactNavTriangleIdx_MAXVAL; }

    bool operator==(const NavTriangleRawPtr& rhs) const { return m_navFloorRawPtr == rhs.m_navFloorRawPtr && m_triangleIdx == rhs.m_triangleIdx;}
    bool operator!=(const NavTriangleRawPtr& rhs) const { return !operator==(rhs);}

    NavTriangleIdx GetTriangleIdx() const { return (NavTriangleIdx)m_triangleIdx; }

    // ------------------------------ Functions that do NOT check IsValid() -----------------------------

    NavFloor* GetNavFloor() const { return m_navFloorRawPtr.GetNavFloor(); }

    const NavFloorBlob* GetNavFloorBlob() const { return m_navFloorRawPtr.GetNavFloorBlob(); }

    const CellPos& GetCellPos() const { return m_navFloorRawPtr.GetCellPos(); }

    const NavTag& GetNavTag() const { return GetNavFloorBlob()->GetNavTag(m_triangleIdx); }

    void GetVerticesPos3f(Vec3f& A, Vec3f& B, Vec3f& C) const;

    void GetVerticesPos3f(Triangle3f& triangle3f) const { GetVerticesPos3f(triangle3f.A, triangle3f.B, triangle3f.C); }

    void GetVerticesCoordPos64(CoordPos64& A, CoordPos64& B, CoordPos64& C) const;

    void GetVerticesCoordPos(CoordPos& A, CoordPos& B, CoordPos& C) const;

    KyFloat32 GetAltitudeOfPointInTriangle(const Vec3f& pos) const;

    template <class TLogic>
    bool CanBeTraversed(void* traverseLogicUserData, KyFloat32* costMultiplier = nullptr) const
    {
        return CanBeTraversed<TLogic>(traverseLogicUserData, costMultiplier, typename TLogic::CostMultiplierUsage());
    }

private:
    template <class TLogic>
    bool CanBeTraversed(void* traverseLogicUserData, KyFloat32* /*costMultiplier*/, const LogicWithNoCustomCost&) const
    {
        return TLogic::CanTraverseNavTag(traverseLogicUserData, GetNavTag());
    }

    template <class TLogic>
    bool CanBeTraversed(void* traverseLogicUserData, KyFloat32* costMultiplier, const LogicWithCostPerNavTag&) const
    {
        if (costMultiplier != nullptr)
            *costMultiplier = 1.0f;
        return TLogic::CanTraverseNavTag(traverseLogicUserData, GetNavTag(), costMultiplier);
    }

    template <class TLogic>
    bool CanBeTraversed(void* traverseLogicUserData, KyFloat32* costMultiplier, const LogicWithCostPerTriangle&) const
    {
        if (costMultiplier != nullptr)
            *costMultiplier = 1.0f;
        return TLogic::CanTraverseNavTriangle(traverseLogicUserData, *this, costMultiplier);
    }

public:
    NavFloorRawPtr m_navFloorRawPtr;     
    CompactNavTriangleIdx m_triangleIdx; 
};

}