ref: d7ef6d68c8b7531dfa7ec0a07ad9ad28e8c188bf
dir: /LEAF/Src_cpp/leaf-808.cpp/
/*
==============================================================================
leaf_808.cpp
Created: 30 Nov 2018 10:24:21am
Author: airship
==============================================================================
*/
#if _WIN32 || _WIN64
#include "..\Inc\leaf-808.h"
#else
#include "../Inc/leaf-808.h"
#endif
#define USE_STICK 0
void t808Cowbell_on(t808Cowbell* const cowbell, float vel)
{
tEnvelope_on(&cowbell->envGain, vel);
#if USE_STICK
tEnvelope_on(&cowbell->envStick,vel);
#endif
}
float t808Cowbell_tick(t808Cowbell* const cowbell) {
float sample = 0.0f;
// Mix oscillators.
sample = (cowbell->oscMix * tSquare_tick(&cowbell->p[0])) + ((1.0f-cowbell->oscMix) * tSquare_tick(&cowbell->p[1]));
// Filter dive and filter.
tSVF_setFreq(&cowbell->bandpassOsc, cowbell->filterCutoff + 1000.0f * tEnvelope_tick(&cowbell->envFilter));
sample = tSVF_tick(&cowbell->bandpassOsc,sample);
sample *= (0.9f * tEnvelope_tick(&cowbell->envGain));
#if USE_STICK
sample += (0.1f * tEnvelope_tick(&cowbell->envStick) * tSVF_tick(&cowbell->bandpassStick, tNoise_tick(&cowbell->stick)));
#endif
sample = tHighpass_tick(&cowbell->highpass, sample);
return sample;
}
void t808Cowbell_setDecay(t808Cowbell* const cowbell, float decay)
{
tEnvelope_setDecay(&cowbell->envGain,decay);
}
void t808Cowbell_setHighpassFreq(t808Cowbell *cowbell, float freq)
{
tHighpass_setFreq(&cowbell->highpass,freq);
}
void t808Cowbell_setBandpassFreq(t808Cowbell* const cowbell, float freq)
{
cowbell->filterCutoff = freq;
}
void t808Cowbell_setFreq(t808Cowbell* const cowbell, float freq)
{
tSquare_setFreq(&cowbell->p[0],freq);
tSquare_setFreq(&cowbell->p[1],1.48148f*freq);
}
void t808Cowbell_setOscMix(t808Cowbell* const cowbell, float oscMix)
{
cowbell->oscMix = oscMix;
}
void t808Cowbell_init(t808Cowbell* const cowbell) {
tSquare_init(&cowbell->p[0]);
tSquare_setFreq(&cowbell->p[0], 540.0f);
tSquare_init(&cowbell->p[1]);
tSquare_setFreq(&cowbell->p[1], 1.48148f * 540.0f);
cowbell->oscMix = 0.5f;
tSVF_init(&cowbell->bandpassOsc, SVFTypeBandpass, 2500, 1.0f);
tSVF_init(&cowbell->bandpassStick, SVFTypeBandpass, 1800, 1.0f);
tEnvelope_init(&cowbell->envGain, 5.0f, 100.0f, OFALSE);
tEnvelope_init(&cowbell->envFilter, 5.0, 100.0f, OFALSE);
tHighpass_init(&cowbell->highpass, 1000.0f);
#if USE_STICK
tNoise_init(&cowbell->stick, NoiseTypeWhite);
tEnvelope_init(&cowbell->envStick, 5.0f, 5.0f, 0);
#endif
}
void t808Hihat_on(t808Hihat* const hihat, float vel) {
tEnvelope_on(&hihat->envGain, vel);
tEnvelope_on(&hihat->envStick, vel);
}
void t808Hihat_setOscNoiseMix(t808Hihat* const hihat, float oscNoiseMix) {
hihat->oscNoiseMix = oscNoiseMix;
}
float t808Hihat_tick(t808Hihat* const hihat) {
float sample = 0.0f;
float gainScale = 0.1666f;
for (int i = 0; i < 6; i++)
{
sample += tSquare_tick(&hihat->p[i]);
}
sample *= gainScale;
sample = (hihat->oscNoiseMix * sample) + ((1.0f-hihat->oscNoiseMix) * (0.8f * tNoise_tick(&hihat->n)));
sample = tSVF_tick(&hihat->bandpassOsc, sample);
sample *= tEnvelope_tick(&hihat->envGain);
sample = 0.85f * LEAF_clip(0.0f, tHighpass_tick(&hihat->highpass, sample), 1.0f);
sample += 0.15f * tEnvelope_tick(&hihat->envStick) * tSVF_tick(&hihat->bandpassStick, tNoise_tick(&hihat->stick));
return sample;
}
void t808Hihat_setDecay(t808Hihat* const hihat, float decay)
{
tEnvelope_setDecay(&hihat->envGain,decay);
}
void t808Hihat_setHighpassFreq(t808Hihat* const hihat, float freq)
{
tHighpass_setFreq(&hihat->highpass,freq);
}
void t808Hihat_setOscBandpassFreq(t808Hihat* const hihat, float freq)
{
tSVF_setFreq(&hihat->bandpassOsc,freq);
}
void t808Hihat_setOscFreq(t808Hihat* const hihat, float freq)
{
tSquare_setFreq(&hihat->p[0], 2.0f * freq);
tSquare_setFreq(&hihat->p[1], 3.00f * freq);
tSquare_setFreq(&hihat->p[2], 4.16f * freq);
tSquare_setFreq(&hihat->p[3], 5.43f * freq);
tSquare_setFreq(&hihat->p[4], 6.79f * freq);
tSquare_setFreq(&hihat->p[5], 8.21f * freq);
}
void t808Hihat_init(t808Hihat* const hihat)
{
for (int i = 0; i < 6; i++)
{
tSquare_init(&hihat->p[i]);
}
tNoise_init(&hihat->stick, WhiteNoise);
tNoise_init(&hihat->n, WhiteNoise);
// need to fix SVF to be generic
tSVF_init(&hihat->bandpassStick, SVFTypeBandpass,2500.0,1.5f);
tSVF_init(&hihat->bandpassOsc, SVFTypeBandpass,3500,0.5f);
tEnvelope_init(&hihat->envGain, 5.0f, 50.0f, OFALSE);
tEnvelope_init(&hihat->envStick, 5.0f, 15.0f, OFALSE);
tHighpass_init(&hihat->highpass, 7000.0f);
float freq = 40.0f;
tSquare_setFreq(&hihat->p[0], 2.0f * freq);
tSquare_setFreq(&hihat->p[1], 3.00f * freq);
tSquare_setFreq(&hihat->p[2], 4.16f * freq);
tSquare_setFreq(&hihat->p[3], 5.43f * freq);
tSquare_setFreq(&hihat->p[4], 6.79f * freq);
tSquare_setFreq(&hihat->p[5], 8.21f * freq);
}
void t808Snare_on(t808Snare* const snare, float vel)
{
for (int i = 0; i < 2; i++)
{
tEnvelope_on(&snare->toneEnvOsc[i], vel);
tEnvelope_on(&snare->toneEnvGain[i], vel);
tEnvelope_on(&snare->toneEnvFilter[i], vel);
}
tEnvelope_on(&snare->noiseEnvGain, vel);
tEnvelope_on(&snare->noiseEnvFilter, vel);
}
void t808Snare_setTone1Freq(t808Snare* const snare, float freq)
{
snare->tone1Freq = freq;
tTriangle_setFreq(&snare->tone[0], freq);
}
void t808Snare_setTone2Freq(t808Snare* const snare, float freq)
{
snare->tone2Freq = freq;
tTriangle_setFreq(&snare->tone[1],freq);
}
void t808Snare_setTone1Decay(t808Snare* const snare, float decay)
{
tEnvelope_setDecay(&snare->toneEnvGain[0],decay);
}
void t808Snare_setTone2Decay(t808Snare* const snare, float decay)
{
tEnvelope_setDecay(&snare->toneEnvGain[1],decay);
}
void t808Snare_setNoiseDecay(t808Snare* const snare, float decay)
{
tEnvelope_setDecay(&snare->noiseEnvGain,decay);
}
void t808Snare_setToneNoiseMix(t808Snare* const snare, float toneNoiseMix)
{
snare->toneNoiseMix = toneNoiseMix;
}
void t808Snare_setNoiseFilterFreq(t808Snare* const snare, float noiseFilterFreq)
{
snare->noiseFilterFreq = noiseFilterFreq;
}
void t808Snare_setNoiseFilterQ(t808Snare* const snare, float noiseFilterQ)
{
tSVF_setQ(&snare->noiseLowpass, noiseFilterQ);
}
static float tone[2];
float t808Snare_tick(t808Snare* const snare)
{
for (int i = 0; i < 2; i++)
{
tTriangle_setFreq(&snare->tone[i], snare->tone1Freq + (50.0f * tEnvelope_tick(&snare->toneEnvOsc[i])));
tone[i] = tTriangle_tick(&snare->tone[i]);
tSVF_setFreq(&snare->toneLowpass[i], 2000 + (500 * tEnvelope_tick(&snare->toneEnvFilter[i])));
tone[i] = tSVF_tick(&snare->toneLowpass[i], tone[i]) * tEnvelope_tick(&snare->toneEnvGain[i]);
}
float noise = tNoise_tick(&snare->noiseOsc);
tSVF_setFreq(&snare->noiseLowpass, snare->noiseFilterFreq +(500 * tEnvelope_tick(&snare->noiseEnvFilter)));
noise = tSVF_tick(&snare->noiseLowpass, noise) * tEnvelope_tick(&snare->noiseEnvGain);
float sample = (snare->toneNoiseMix)*(tone[0] * snare->toneGain[0] + tone[1] * snare->toneGain[1]) + (1.0f-snare->toneNoiseMix) * (noise * snare->noiseGain);
return sample;
}
void t808Snare_init(t808Snare* const snare)
{
float ratio[2] = {1.0, 1.5};
for (int i = 0; i < 2; i++)
{
tTriangle_init(&snare->tone[i]);
tTriangle_setFreq(&snare->tone[i], ratio[i] * 400.0f);
tSVF_init(&snare->toneLowpass[i], SVFTypeLowpass, 2000, 1.0f);
tEnvelope_init(&snare->toneEnvOsc[i], 3.0f, 20.0f, OFALSE);
tEnvelope_init(&snare->toneEnvGain[i], 10.0f, 200.0f, OFALSE);
tEnvelope_init(&snare->toneEnvFilter[i], 3.0f, 200.0f, OFALSE);
snare->toneGain[i] = 0.5f;
}
tNoise_init(&snare->noiseOsc, WhiteNoise);
tSVF_init(&snare->noiseLowpass, SVFTypeLowpass, 2000, 3.0f);
tEnvelope_init(&snare->noiseEnvGain, 10.0f, 125.0f, OFALSE);
tEnvelope_init(&snare->noiseEnvFilter, 3.0f, 100.0f, OFALSE);
snare->noiseGain = 0.3f;
}
void t808Snare_free (t808Snare* const snare)
{
for (int i = 0; i < 2; i++)
{
tTriangle_free(&snare->tone[i]);
tSVF_free(&snare->toneLowpass[i]);
tEnvelope_free(&snare->toneEnvOsc[i]);
tEnvelope_free(&snare->toneEnvGain[i]);
tEnvelope_free(&snare->toneEnvFilter[i]);
}
tNoise_free(&snare->noiseOsc);
tSVF_free(&snare->noiseLowpass);
tEnvelope_free(&snare->noiseEnvGain);
tEnvelope_free(&snare->noiseEnvFilter);
}