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#ifndef MDA_PIANO_VOICE_H
#define MDA_PIANO_VOICE_H
#include "mdaPianoCommon.h"
#include "ports.peg"
#pragma GCC system_header
#include <lvtk/synth.hpp>
enum Param {
Default,
Current
};
class mdaPianoVoice : public lvtk::Voice {
private:
float Fs, iFs;
/// global internal variables
KGRP *kgrp;
Sample *samples;
uint32_t sample_index;
short sustain;
float width;
float fine, random;
float sizevel, velsens, volume;
long size;
#ifdef PIANO
float comb[256];
float cdep, trim;
float stretch;
float muff, muffvel;
uint32_t cpos;
#endif
#ifdef EPIANO
float overdrive;
float lfo0, lfo1, dlfo, lmod, rmod;
float treb, tfrq, tl, tr;
#endif
// TODO: uint32_t or long?
#ifdef PIANO
// voice state
uint32_t delta; // sample playback
uint32_t frac;
uint32_t pos;
uint32_t end;
uint32_t loop;
#elif defined EPIANO
long delta; // sample playback
long frac;
long pos;
long end;
long loop;
#endif
float env; // envelope
float dec;
#ifdef PIANO
float f0; // first-order LPF
float f1;
float ff;
#endif
float outl;
float outr;
// end of voice state
float default_preset[NPARAMS]; // contains the default preset
protected:
unsigned char m_key;
public:
mdaPianoVoice(double, Sample*, KGRP*);
void set_sustain(unsigned short v) { sustain = v; }
void set_volume(float v) { volume = v; }
#ifdef PIANO
void set_muff(float v) { muff = v; }
#endif
float p_helper(unsigned short, Param);
void update(Param); // recalculates internal variables
void on(unsigned char key, unsigned char velocity);
void release(unsigned char velocity);
void reset(void);
bool is_sustained(void) { return (m_key == SUSTAIN); }
unsigned char get_key(void) const { return m_key; }
// generates the sound for this voice
void render(uint32_t, uint32_t);
};
#endif
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