aggregateDecorator.h

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/*******************************************************************************
** Copyright (c) 2020 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/

#pragma once

#include "vrfobjcore/vrfobjcoreDefines.h"
#include "vrfobjcore/decoratorBase.h"
#include "vrfobjcore/vrfSimulatedSimObjectFacade.h"
#include <tbb/spin_rw_mutex.h>
#include <boost/signals2.hpp>

class DtSubordinateManager;
class DtAggregateObjectParameters;
class DtFormation;

class DT_DLL_vrfobjcore DtAggregateSimObjectDecorator : public DtSimObjectDecorator
{
public:
   DtAggregateSimObjectDecorator(const DtSimObject*);
   virtual ~DtAggregateSimObjectDecorator() override;

   const std::vector<DtSimObjectReference>& subordinates() const;

   virtual double totalMass() const;

   virtual bool computeExtentFromParameters(const DtString& formationName, DtExtent& extent) const;

protected:

   void subordinateManagerUpdated();

protected:
   mutable tbb::spin_rw_mutex myCurrentFrameSubordinatesMutex;
   mutable std::vector<DtSimObjectReference> mySubordinates;
   mutable boost::signals2::scoped_connection mySubordinatesChangedConnection;

   DtVrfSimulatedSimObjectFacade myVrfSimulatedSimObjectFacade;
};

class DT_DLL_vrfobjcore DtAggregateLocalObjectDecorator : public DtLocalObjectDecorator
{
public:
   DtAggregateLocalObjectDecorator(DtLocalObject*);

   virtual ~DtAggregateLocalObjectDecorator() override;

   virtual bool computeExtentFromParameters(const DtString& formationName, DtExtent& extent) const;
   DtSubordinateManager* nextFrameSubordinateManager();

   virtual bool needsDesignatorReorder() const;

protected:
   DtSubordinateManager* myNextFrameSubordinates;
};

class DT_DLL_vrfobjcore DtAggregateDecoratorCreator : public DtDecoratorCreator
{
public:
   virtual DtSimObjectDecorator* createDecorator(const DtSimObject* o) const override
   { return new DtAggregateSimObjectDecorator(o); };
   virtual DtLocalObjectDecorator* createDecorator(DtLocalObject* o) const override
   { return new DtAggregateLocalObjectDecorator(o); };

   virtual const char* DecoratorType() const override { return "DtAggregateDecorator"; };
};

DT_DLL_vrfobjcore bool computeExtent(const DtSimulationServices*, const DtAggregateObjectParameters& parameterEntry, 
      const DtString& formationName, DtExtent& extent);