dynamicnavcell.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/celldesc.h"
#include "gwnavruntime/navmesh/dynamicnavfloor.h"

namespace Kaim
{


struct DynamicCellBoundaryFloor
{
    KyUInt32 m_floorIdx;
};

struct DynamicCellBoundaryEdge
{
    KyUInt32 m_halfEdgeIdx;
};

struct DynamicCellBoundaryEdgesInFloor
{
    DynamicCellBoundaryEdgesInFloor() : m_cellBoundaryEdges(nullptr) {}
    DynamicCellBoundaryEdgesInFloor(MemoryHeap* heap) : m_cellBoundaryEdges(heap)
    {
        for (KyUInt32 i = 0; i < 4; ++i)
            m_cellBoundaryEdges.PushBack(ArrayDH<DynamicCellBoundaryEdge>(heap));
    }
    ArrayDH<ArrayDH<DynamicCellBoundaryEdge> > m_cellBoundaryEdges;// one vector per Direction : CardinalDir_EST, CardinalDir_NORTH, CardinalDir_WEST, CardinalDir_SOUTH
};

// --------------------------
// ----- DynamicNavCell -----
// --------------------------
class DynamicNavCell
{
    KY_DEFINE_NEW_DELETE_OPERATORS(Stat_Default_Mem)

public:
    DynamicNavCell(MemoryHeap* heap, const CellDesc& cellDesc)
        : m_cellDesc(cellDesc)
        , m_floors(heap)
    {}

    void Clear()
    {
        for (KyUInt32 i = 0; i < m_floors.GetCount(); ++i)
            m_floors[i].Clear();
    }

    CardinalDir GetBoundaryDir(const PixelPos& start, const PixelPos& end) const;

    bool AreIndexesWithinBounds() const
    {
        // Check indexes inside of each floor
        for (KyUInt32 floorIdx = 0; floorIdx < m_floors.GetCount(); ++floorIdx)
        {
            if (!m_floors[floorIdx].AreIndexesWithinBounds())
            {
                return false;
            }
        }

        return true;
    }

    bool IsEmpty()
    {
        if (m_floors.IsEmpty())
            return true;

        for (KyUInt32 i = 0; i < m_floors.GetCount(); ++i)
        {
            const DynamicNavFloor& floor = m_floors[i];
            if (floor.m_edges.IsEmpty() == false ||  floor.m_triangles.IsEmpty() == false )
                return false;
        }

        return true;
    }

public:
    CellDesc m_cellDesc;
    KyArrayDH<DynamicNavFloor> m_floors;
};

}