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/***************************************************/
/*! \class Modal
\brief STK resonance model instrument.
This class contains an excitation wavetable,
an envelope, an oscillator, and N resonances
(non-sweeping BiQuad filters), where N is set
during instantiation.
by Perry R. Cook and Gary P. Scavone, 1995 - 2005.
*/
/***************************************************/
#ifndef STK_MODAL_H
#define STK_MODAL_H
#include "Instrmnt.h"
#include "Envelope.h"
#include "WaveLoop.h"
#include "SineWave.h"
#include "BiQuad.h"
#include "OnePole.h"
namespace Nyq
{
class Modal : public Instrmnt
{
public:
//! Class constructor, taking the desired number of modes to create.
/*!
An StkError will be thrown if the rawwave path is incorrectly set.
*/
Modal( unsigned int modes = 4 );
//! Class destructor.
virtual ~Modal();
//! Reset and clear all internal state.
void clear();
//! Set instrument parameters for a particular frequency.
virtual void setFrequency(StkFloat frequency);
//! Set the ratio and radius for a specified mode filter.
void setRatioAndRadius(unsigned int modeIndex, StkFloat ratio, StkFloat radius);
//! Set the master gain.
void setMasterGain(StkFloat aGain);
//! Set the direct gain.
void setDirectGain(StkFloat aGain);
//! Set the gain for a specified mode filter.
void setModeGain(unsigned int modeIndex, StkFloat gain);
//! Initiate a strike with the given amplitude (0.0 - 1.0).
virtual void strike(StkFloat amplitude);
//! Damp modes with a given decay factor (0.0 - 1.0).
void damp(StkFloat amplitude);
//! Start a note with the given frequency and amplitude.
void noteOn(StkFloat frequency, StkFloat amplitude);
//! Stop a note with the given amplitude (speed of decay).
void noteOff(StkFloat amplitude);
//! Perform the control change specified by \e number and \e value (0.0 - 128.0).
virtual void controlChange(int number, StkFloat value) = 0;
protected:
StkFloat computeSample( void );
Envelope envelope_;
FileWvIn *wave_;
BiQuad **filters_;
OnePole onepole_;
SineWave vibrato_;
unsigned int nModes_;
std::vector<StkFloat> ratios_;
std::vector<StkFloat> radii_;
StkFloat vibratoGain_;
StkFloat masterGain_;
StkFloat directGain_;
StkFloat stickHardness_;
StkFloat strikePosition_;
StkFloat baseFrequency_;
};
} // namespace Nyq
#endif
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