Coin / include / Inventor / engines / SoTimeCounter.h

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#ifndef COIN_SOTIMECOUNTER_H
#define COIN_SOTIMECOUNTER_H

#include <Inventor/engines/SoSubEngine.h>
#include <Inventor/engines/SoEngineOutput.h>
#include <Inventor/fields/SoSFTime.h>
#include <Inventor/fields/SoSFFloat.h>
#include <Inventor/fields/SoMFFloat.h>
#include <Inventor/fields/SoSFBool.h>
#include <Inventor/fields/SoSFTrigger.h>
#include <Inventor/fields/SoSFShort.h>

class COIN_DLL_API SoTimeCounter : public SoEngine {
  typedef SoEngine inherited;
  SO_ENGINE_HEADER(SoTimeCounter);

public:
  SoSFTime timeIn;
  SoSFShort min;
  SoSFShort max;
  SoSFShort step;
  SoSFBool on;
  SoSFFloat frequency;
  SoMFFloat duty;
  SoSFShort reset;
  SoSFTrigger syncIn;

  SoEngineOutput output;  // SoSFShort
  SoEngineOutput syncOut; // SoSFTrigger

  SoTimeCounter();
  static void initClass();

protected:
  virtual ~SoTimeCounter(void);

  virtual void inputChanged(SoField * which);
  virtual void writeInstance(SoOutput * out);

private:
  virtual void evaluate(void);
  void calcStarttime(short value);

  SbBool ispaused;
  double pausetimeincycle;
  SbBool firstoutputenable;
  short outputvalue;
  int numsteps;
  int stepnum;
  double starttime;
  double cyclelen;
  short findOutputValue(double timeincycle) const;
  void calcDutySteps(void);
  void calcNumSteps(void);

  SbList <double> dutylimits;
};

#endif // !COIN_SOTIMECOUNTER_H
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