navmeshelementmanager.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/database/navcellgrid.h"
#include "gwnavruntime/database/activeguids.h"
#include "gwnavruntime/math/box2f.h"

namespace Kaim
{

class Database;
class NavGraphManager;

class NavMeshElementManager
{
    KY_DEFINE_NEW_DELETE_OPERATORS(MemStat_WorldFwk)
    KY_CLASS_WITHOUT_COPY(NavMeshElementManager)
public:

    KyUInt32 GetNavMeshElementCount() const;

    NavMeshElement* GetNavMeshElement(KyUInt32 idx) const;

public: // internal
    NavMeshElementManager(Database* database);
    ~NavMeshElementManager();
    void SetNavGraphManager(NavGraphManager* navGraphManager);
    void Clear();

    NavMeshElement* InsertNavMeshElement(const NavMeshElementBlob* navMeshElementBlob); // Call by the Database
    void PrepareNavMeshRemoval(NavMeshElement* navMeshElement);  // Call by the Database
    void RemoveNavMeshElement(NavMeshElement* navMeshElement);  // Call by the Database
    void UpdateNavMeshAccordingToGuidCompound(CellBox& activenessChangeCellBox, bool forceActiveIfAlone = false);

public:

    KyResult CheckGenerationParameters(const NavMeshGenParameters& navMeshGenParameters);

    bool IsCompatibleWith(const NavMeshGenParameters& navMeshGenParameters) const;

public: // internal
    // Used by the generation
    NavMeshElement* SingleInsertion(const NavMeshElementBlob* navMeshElementBlob, bool forceActiveIfAlone = false);
    void SingleRemoval(NavMeshElement* navMeshElement);

public: // internal
    Database* m_database;
    ActiveGuids m_activatedGuids;
    GuidCompoundUpdater m_guidCompoundUpdater;
    // Note: we can probably directly sort and manage m_navMeshElements without using the redundant GuidCompoundSorter::m_elements

private:
    TrackedCollection<Ptr<NavMeshElement>, MemStat_NavData> m_navMeshElements;
};

KY_INLINE NavMeshElementManager::~NavMeshElementManager() { Clear(); }

KY_INLINE KyUInt32 NavMeshElementManager::GetNavMeshElementCount() const { return m_navMeshElements.GetCount(); }

KY_INLINE NavMeshElement* NavMeshElementManager::GetNavMeshElement(KyUInt32 idx) const
{
    KY_DEBUG_ASSERTN(idx < GetNavMeshElementCount(), ("Input idx must be lower than GetNavMeshElementCount() == %d", GetNavMeshElementCount()));
    return m_navMeshElements[idx];
}

KY_INLINE void NavMeshElementManager::UpdateNavMeshAccordingToGuidCompound(CellBox& activenessChangeCellBox, bool forceActiveIfAlone)
{
    m_guidCompoundUpdater.UpdateNavMeshAccordingToGuidCompound(m_activatedGuids, activenessChangeCellBox, forceActiveIfAlone);
}

}