Mandolin.h

#ifndef STK_MANDOLIN_H
#define STK_MANDOLIN_H
 
#include "Instrmnt.h"
#include "Twang.h"
#include "FileWvIn.h"
#include "MemoryWvIn.h"
 
namespace stk {
 
/***************************************************/
/***************************************************/
 
class Mandolin : public Instrmnt
{
 public:
  Mandolin( StkFloat lowestFrequency );
 
  ~Mandolin( void );
 
  void clear( void );
 
  void setDetune( StkFloat detune );
 
  void setBodySize( StkFloat size );
 
  void setPluckPosition( StkFloat position );
 
  void setFrequency( StkFloat frequency );
 
  void pluck( StkFloat amplitude );
 
  void pluck( StkFloat amplitude,StkFloat position );
 
  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:
 
  Twang strings_[2];
#ifdef __RAW_ARRAYS__
  MemoryWvIn soundfile_[12];
#else
  FileWvIn soundfile_[12];
#endif
  int mic_;
  StkFloat detuning_;
  StkFloat frequency_;
  StkFloat pluckAmplitude_;
};
 
inline StkFloat Mandolin :: tick( unsigned int )
{
  StkFloat temp = 0.0;
  if ( !soundfile_[mic_].isFinished() )
    temp = soundfile_[mic_].tick() * pluckAmplitude_;
 
  lastFrame_[0] = strings_[0].tick( temp );
  lastFrame_[0] += strings_[1].tick( temp );
  lastFrame_[0] *= 0.2;
 
  return lastFrame_[0];
}
 
inline StkFrames& Mandolin :: tick( StkFrames& frames, unsigned int channel )
{
  unsigned int nChannels = lastFrame_.channels();
#if defined(_STK_DEBUG_)
  if ( channel > frames.channels() - nChannels ) {
    oStream_ << "Mandolin::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