navgraphmanager.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/navgraph/navgraph.h"
#include "gwnavruntime/database/navgraphlinker.h"

namespace Kaim
{
class Database;
class NavCellGrid;
class NavGraphBlob;
class NavData;

// The NavGraphManager manages the stitching of \NavGraphs at runtime. You should not need to interact with the
// NavGraphManager directly.
class NavGraphManager
{
    KY_DEFINE_NEW_DELETE_OPERATORS(MemStat_WorldFwk)
    KY_CLASS_WITHOUT_COPY(NavGraphManager)

public:
    KyUInt32 GetNumberOfNavGraph() const;
    NavGraph* GetNavGraph(KyUInt32 index) const;

public: // internal
    NavGraphManager(Database* database);
    ~NavGraphManager();

    void Clear();

    void StartInsertion();
    NavGraph* InsertNavGraph(const NavGraphBlob* navGraphBlob, NavData* navData);
    void EndInsertion();

    void StartRemoval();
    void RemoveNavGraph(NavGraph* navGraph);
    void EndRemoval();

    void LinkWaitingNavGraphs(CellBox& navGraphUpdateCellBox);
    bool HasWaitingNavGraphs();
public: // internal
    Database* m_database;
    NavGraphLinker m_navGraphLinker;

private:
    KyUInt32 m_numberOfNavGraphToUpdate;
    CellBox m_cellBox;

    Collection<NavGraph*, MemStat_NavData> m_waitingNavGraphs;
    TrackedCollection<Ptr<NavGraph>, MemStat_NavData> m_navGraphs;
};


KY_INLINE void NavGraphManager::StartInsertion()
{
    KY_LOG_ERROR_IF(m_numberOfNavGraphToUpdate != 0, ("At this point, the number of Graph to update must be set to 0"));
    m_cellBox.Clear();
}
KY_INLINE void NavGraphManager::StartRemoval()
{
    KY_LOG_ERROR_IF(m_numberOfNavGraphToUpdate != 0, ("At this point, the number of Graph to update must be set to 0"));
    m_cellBox.Clear();
}

KY_INLINE void NavGraphManager::EndRemoval() {}

KY_INLINE KyUInt32  NavGraphManager::GetNumberOfNavGraph()       const { return m_navGraphs.GetCount(); }
KY_INLINE NavGraph* NavGraphManager::GetNavGraph(KyUInt32 index) const
{
    KY_DEBUG_ASSERTN(index < GetNumberOfNavGraph(), ("Bad index %u (max is %u)", index, GetNumberOfNavGraph()));
    return m_navGraphs[index];
}

KY_INLINE bool NavGraphManager::HasWaitingNavGraphs() { return m_waitingNavGraphs.IsEmpty() == false; }

} // namespace Kaim