abstractgraphcellgrid.h

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/*
* Copyright 2015 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.
*/

#ifndef Navigation_AbstractGraphCellGrid_H
#define Navigation_AbstractGraphCellGrid_H

#include "gwnavruntime/abstractgraph/abstractgraph.h"

#include "gwnavruntime/abstractgraph/identifiers/loadedabstractgraphnodeidx.h"
#include "gwnavruntime/abstractgraph/identifiers/loadedabstractgraphcellidx.h"
#include "gwnavruntime/navmesh/navmeshtypes.h"
#include "gwnavruntime/base/memory.h"



namespace Kaim
{

class Database;
class AbstractGraph;
class AbstractGraphBlob;
class NavMeshGenParameters;
class ScopedDisplayList;


class AbstractGraphCell
{
    KY_DEFINE_NEW_DELETE_OPERATORS(MemStat_NavData)
public:
    LoadedAbstractGraphCellIdx m_graphCellIdx;
    // KY_TODO maintain association AbstractGraphCell with NavCellPosInfo ?
};


class AbstractGraphCellGrid
{
    KY_DEFINE_NEW_DELETE_OPERATORS(MemStat_WorldFwk)

public:
    AbstractGraphCellGrid(Database* database)
        : m_database(database)
        , m_abstractGraphCellBuffer(KY_NULL)
        , m_abstractGraphCellBufferSize(0)
        , m_altitudeTolerance(0.5f)
        , m_abstractGraphChangeIdx(0)
    {}

    ~AbstractGraphCellGrid() { Clear(); }

    void Clear();

    void EnlargeGrid(const CellBox& cellBox);

    AbstractGraph* InsertAbstractGraph(AbstractGraphBlob* abstractGraphBlob);
    void RemoveAbstractGraph(AbstractGraph* abstractGraph);

    void UpdateNavMeshLinkStatus(CellBox cellBox);
    
private:
    KyResult CheckGenerationParameters(const NavMeshGenParameters& navMeshGenParameters);

public: //internal
    LoadedAbstractGraphCellIdx GetAbstractGraphCellIdx(const CellPos& cellPos) const;
    AbstractGraph* GetAbstractGraph(const LoadedAbstractGraphNodeIdx& node) const;
    AbstractGraph* GetAbstractGraph(const LoadedAbstractGraphCellIdx& cell) const;
    AbstractGraph* GetAbstractGraph(const CellPos& cellPos) const;

    // used only in unittests while debugging, not needed otherwise, the VisualDebug uses Blobs instead of ScopedDisplayLists
    void Display(ScopedDisplayList& displayList);

    // Must not be accessed directly. It is called by AbstractGraph::SetIndexInCollection
    void SetAbstractGraphIndexInCollection(AbstractGraph* abstractGraph, KyUInt32 newIndexInCollection);

public:
    Database* m_database;
    AbstractGraphCell* m_abstractGraphCellBuffer;
    KyInt32 m_abstractGraphCellBufferSize;
    CellBox m_cellBox;
    KyFloat32 m_altitudeTolerance;
    TrackedCollection< Ptr<AbstractGraph>, MemStat_NavData> m_abstractGraphs;
    KyUInt32 m_abstractGraphChangeIdx;
};



}

#endif