timedTickLogic.h

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#pragma once

#include <vrfobjcore/vrfobjcoreDefines.h>

class DtSimulationServices;

class DT_DLL_vrfobjcore DtTimedTickLogic
{
public:
   DtTimedTickLogic();
   virtual ~DtTimedTickLogic();

   virtual bool shouldTick(const DtSimulationServices* simServices) = 0;
   virtual void calculateAndSetNextTickTime(const DtSimulationServices* simServices) = 0;
};

class DT_DLL_vrfobjcore DtAlwaysTickLogic : public DtTimedTickLogic
{
public:
   DtAlwaysTickLogic();
   virtual ~DtAlwaysTickLogic() override;

   virtual bool shouldTick(const DtSimulationServices* simServices) override;
   virtual void calculateAndSetNextTickTime(const DtSimulationServices* simServices) override;
};

class DT_DLL_vrfobjcore DtSimTimeOnlyTickLogic : public DtTimedTickLogic
{
public:
   DtSimTimeOnlyTickLogic(double minTickPeriod, double minTickPeriodVariance);
   virtual ~DtSimTimeOnlyTickLogic() override;

   virtual bool shouldTick(const DtSimulationServices* simServices) override;
   virtual void calculateAndSetNextTickTime(const DtSimulationServices* simServices) override;

   virtual double minTickPeriod() const;
   virtual double minTickPeriodVariance() const;
   virtual double nextTickSimTime() const;

protected:
   const double myMinTickPeriod;
   const double myMinTickPeriodVariance;
   double myNextTickSimTime;
   
};

class DT_DLL_vrfobjcore DtSimTimeAndRealTimeWhenPausedTickLogic : public DtSimTimeOnlyTickLogic
{
public:
   DtSimTimeAndRealTimeWhenPausedTickLogic(double minTickPeriod, double minTickPeriodVariance);
   virtual ~DtSimTimeAndRealTimeWhenPausedTickLogic() override;

   virtual bool shouldTick(const DtSimulationServices* simServices) override;
   virtual void calculateAndSetNextTickTime(const DtSimulationServices* simServices) override;

   virtual double nextTickRealTime() const;

protected:
   double myNextTickRealTime;
   bool myPausedLastCheck;
};