BandedWG.h

#ifndef STK_BANDEDWG_H
#define STK_BANDEDWG_H
 
#include "Instrmnt.h"
#include "DelayL.h"
#include "BowTable.h"
#include "ADSR.h"
#include "BiQuad.h"
 
namespace stk {
 
/***************************************************/
/***************************************************/
 
const int MAX_BANDED_MODES = 20;
 
class BandedWG : public Instrmnt
{
 public:
  BandedWG( void );
 
  ~BandedWG( void );
 
  void clear( void );
 
  void setStrikePosition( StkFloat position );
 
  void setPreset( int preset );
 
  void setFrequency( StkFloat frequency );
 
  void startBowing( StkFloat amplitude, StkFloat rate );
 
  void stopBowing( StkFloat rate );
 
  void pluck( StkFloat amp );
 
  void noteOn( StkFloat frequency, StkFloat amplitude );
 
  void noteOff( StkFloat amplitude );
 
  void controlChange( int number, StkFloat value );
 
  StkFloat tick( unsigned int channel = 0 );
 
 
  StkFrames& tick( StkFrames& frames, unsigned int channel = 0 );
 
 protected:
 
  bool doPluck_;
  bool trackVelocity_;
  int nModes_;
  int presetModes_;
  BowTable bowTable_;
  ADSR     adsr_;
  BiQuad   bandpass_[MAX_BANDED_MODES];
  DelayL   delay_[MAX_BANDED_MODES];
  StkFloat maxVelocity_;
  StkFloat modes_[MAX_BANDED_MODES];
  StkFloat frequency_;
  StkFloat baseGain_;
  StkFloat gains_[MAX_BANDED_MODES];
  StkFloat basegains_[MAX_BANDED_MODES];
  StkFloat excitation_[MAX_BANDED_MODES];
  StkFloat integrationConstant_;
  StkFloat velocityInput_;
  StkFloat bowVelocity_;
  StkFloat bowTarget_;
  StkFloat bowPosition_;
  StkFloat strikeAmp_;
  int strikePosition_;
 
};
 
inline StkFrames& BandedWG :: tick( StkFrames& frames, unsigned int channel )
{
  unsigned int nChannels = lastFrame_.channels();
#if defined(_STK_DEBUG_)
  if ( channel > frames.channels() - nChannels ) {
    oStream_ << "BandedWG::tick(): channel and StkFrames arguments are incompatible!";
    handleError( StkError::FUNCTION_ARGUMENT );
  }
#endif
 
  StkFloat *samples = &frames[channel];
  unsigned int j, hop = frames.channels() - nChannels;
  if ( nChannels == 1 ) {
    for ( unsigned int i=0; i<frames.frames(); i++, samples += hop )
      *samples++ = tick();
  }
  else {
    for ( unsigned int i=0; i<frames.frames(); i++, samples += hop ) {
      *samples++ = tick();
      for ( j=1; j<nChannels; j++ )
        *samples++ = lastFrame_[j];
    }
  }
 
  return frames;
}
 
} // stk namespace
 
#endif