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Elements.cpp
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Elements.cpp
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#include "plugin.hpp"
#include "elements/dsp/part.h"
struct Elements : Module {
enum ParamIds {
CONTOUR_PARAM,
BOW_PARAM,
BLOW_PARAM,
STRIKE_PARAM,
COARSE_PARAM,
FINE_PARAM,
FM_PARAM,
FLOW_PARAM,
MALLET_PARAM,
GEOMETRY_PARAM,
BRIGHTNESS_PARAM,
BOW_TIMBRE_PARAM,
BLOW_TIMBRE_PARAM,
STRIKE_TIMBRE_PARAM,
DAMPING_PARAM,
POSITION_PARAM,
SPACE_PARAM,
BOW_TIMBRE_MOD_PARAM,
FLOW_MOD_PARAM,
BLOW_TIMBRE_MOD_PARAM,
MALLET_MOD_PARAM,
STRIKE_TIMBRE_MOD_PARAM,
DAMPING_MOD_PARAM,
GEOMETRY_MOD_PARAM,
POSITION_MOD_PARAM,
BRIGHTNESS_MOD_PARAM,
SPACE_MOD_PARAM,
PLAY_PARAM,
NUM_PARAMS
};
enum InputIds {
NOTE_INPUT,
FM_INPUT,
GATE_INPUT,
STRENGTH_INPUT,
BLOW_INPUT,
STRIKE_INPUT,
BOW_TIMBRE_MOD_INPUT,
FLOW_MOD_INPUT,
BLOW_TIMBRE_MOD_INPUT,
MALLET_MOD_INPUT,
STRIKE_TIMBRE_MOD_INPUT,
DAMPING_MOD_INPUT,
GEOMETRY_MOD_INPUT,
POSITION_MOD_INPUT,
BRIGHTNESS_MOD_INPUT,
SPACE_MOD_INPUT,
NUM_INPUTS
};
enum OutputIds {
AUX_OUTPUT,
MAIN_OUTPUT,
NUM_OUTPUTS
};
enum LightIds {
GATE_LIGHT,
EXCITER_LIGHT,
RESONATOR_LIGHT,
NUM_LIGHTS
};
dsp::SampleRateConverter<16 * 2> inputSrc;
dsp::SampleRateConverter<16 * 2> outputSrc;
dsp::DoubleRingBuffer<dsp::Frame<16 * 2>, 256> inputBuffer;
dsp::DoubleRingBuffer<dsp::Frame<16 * 2>, 256> outputBuffer;
uint16_t reverb_buffers[16][32768] = {};
elements::Part* parts[16];
Elements() {
config(NUM_PARAMS, NUM_INPUTS, NUM_OUTPUTS, NUM_LIGHTS);
configParam(CONTOUR_PARAM, 0.0, 1.0, 1.0, "Envelope contour");
configParam(BOW_PARAM, 0.0, 1.0, 0.0, "Bow exciter");
configParam(BLOW_PARAM, 0.0, 1.0, 0.0, "Blow exciter");
configParam(STRIKE_PARAM, 0.0, 1.0, 0.5, "Percussive noise amount");
configParam(COARSE_PARAM, -30.0, 30.0, 0.0, "Coarse frequency adjustment");
configParam(FINE_PARAM, -2.0, 2.0, 0.0, "Fine frequency adjustment");
configParam(FM_PARAM, -1.0, 1.0, 0.0, "FM input attenuverter");
configParam(FLOW_PARAM, 0.0, 1.0, 0.5, "Air flow noise color");
configParam(MALLET_PARAM, 0.0, 1.0, 0.5, "Percussive noise type");
configParam(GEOMETRY_PARAM, 0.0, 1.0, 0.5, "Resonator geometry");
configParam(BRIGHTNESS_PARAM, 0.0, 1.0, 0.5, "Brightness");
configParam(BOW_TIMBRE_PARAM, 0.0, 1.0, 0.5, "Bow timbre");
configParam(BLOW_TIMBRE_PARAM, 0.0, 1.0, 0.5, "Blow timbre");
configParam(STRIKE_TIMBRE_PARAM, 0.0, 1.0, 0.5, "Strike timbre");
configParam(DAMPING_PARAM, 0.0, 1.0, 0.5, "Energy dissipation speed");
configParam(POSITION_PARAM, 0.0, 1.0, 0.5, "Excitation position");
configParam(SPACE_PARAM, 0.0, 2.0, 0.0, "Reverb space");
configParam(BOW_TIMBRE_MOD_PARAM, -1.0, 1.0, 0.0, "Bow timbre CV");
configParam(FLOW_MOD_PARAM, -1.0, 1.0, 0.0, "Air flow noise CV");
configParam(BLOW_TIMBRE_MOD_PARAM, -1.0, 1.0, 0.0, "Blow timbre CV");
configParam(MALLET_MOD_PARAM, -1.0, 1.0, 0.0, "Percussive noise CV");
configParam(STRIKE_TIMBRE_MOD_PARAM, -1.0, 1.0, 0.0, "Strike timbre CV");
configParam(DAMPING_MOD_PARAM, -1.0, 1.0, 0.0, "Energy dissipation speed CV");
configParam(GEOMETRY_MOD_PARAM, -1.0, 1.0, 0.0, "Resonator geometry CV");
configParam(POSITION_MOD_PARAM, -1.0, 1.0, 0.0, "Excitation position CV");
configParam(BRIGHTNESS_MOD_PARAM, -1.0, 1.0, 0.0, "Brightness CV");
configParam(SPACE_MOD_PARAM, -2.0, 2.0, 0.0, "Reverb space CV");
configButton(PLAY_PARAM, "Play");
configInput(NOTE_INPUT, "Pitch (1V/oct)");
configInput(FM_INPUT, "FM");
configInput(GATE_INPUT, "Gate");
configInput(STRENGTH_INPUT, "Strength");
configInput(BLOW_INPUT, "External blow");
configInput(STRIKE_INPUT, "External strike");
configInput(BOW_TIMBRE_MOD_INPUT, "Bow timbre");
configInput(FLOW_MOD_INPUT, "Air flow noise");
configInput(BLOW_TIMBRE_MOD_INPUT, "Blow timbre");
configInput(MALLET_MOD_INPUT, "Percussive noise");
configInput(STRIKE_TIMBRE_MOD_INPUT, "Strike timbre");
configInput(DAMPING_MOD_INPUT, "Energy dissipation speed");
configInput(GEOMETRY_MOD_INPUT, "Resonator geometry");
configInput(POSITION_MOD_INPUT, "Excitation position");
configInput(BRIGHTNESS_MOD_INPUT, "Brightness");
configInput(SPACE_MOD_INPUT, "Reverb space");
configOutput(AUX_OUTPUT, "Left");
configOutput(MAIN_OUTPUT, "Right");
configBypass(BLOW_INPUT, AUX_OUTPUT);
configBypass(STRIKE_INPUT, MAIN_OUTPUT);
for (int c = 0; c < 16; c++) {
parts[c] = new elements::Part();
// In the Mutable Instruments code, Part doesn't initialize itself, so zero it here.
std::memset(parts[c], 0, sizeof(*parts[c]));
parts[c]->Init(reverb_buffers[c]);
// Just some random numbers
uint32_t seed[3] = {1, 2, 3};
parts[c]->Seed(seed, 3);
}
}
~Elements() {
for (int c = 0; c < 16; c++) {
delete parts[c];
}
}
void onReset() override {
setModel(0);
}
void process(const ProcessArgs& args) override {
int channels = std::max(inputs[NOTE_INPUT].getChannels(), 1);
// Get input
if (!inputBuffer.full()) {
dsp::Frame<16 * 2> inputFrame = {};
for (int c = 0; c < channels; c++) {
inputFrame.samples[c * 2 + 0] = inputs[BLOW_INPUT].getPolyVoltage(c) / 5.0;
inputFrame.samples[c * 2 + 1] = inputs[STRIKE_INPUT].getPolyVoltage(c) / 5.0;
}
inputBuffer.push(inputFrame);
}
// Generate output if output buffer is empty
if (outputBuffer.empty()) {
// blow[channel][bufferIndex]
float blow[16][16] = {};
float strike[16][16] = {};
// Convert input buffer
{
inputSrc.setRates(args.sampleRate, 32000);
inputSrc.setChannels(channels * 2);
int inLen = inputBuffer.size();
int outLen = 16;
dsp::Frame<16 * 2> inputFrames[outLen];
inputSrc.process(inputBuffer.startData(), &inLen, inputFrames, &outLen);
inputBuffer.startIncr(inLen);
for (int c = 0; c < channels; c++) {
for (int i = 0; i < outLen; i++) {
blow[c][i] = inputFrames[i].samples[c * 2 + 0];
strike[c][i] = inputFrames[i].samples[c * 2 + 1];
}
}
}
// Process channels
// main[channel][bufferIndex]
float main[16][16];
float aux[16][16];
float gateLight = 0.f;
float exciterLight = 0.f;
float resonatorLight = 0.f;
for (int c = 0; c < channels; c++) {
// Set patch from parameters
elements::Patch* p = parts[c]->mutable_patch();
p->exciter_envelope_shape = params[CONTOUR_PARAM].getValue();
p->exciter_bow_level = params[BOW_PARAM].getValue();
p->exciter_blow_level = params[BLOW_PARAM].getValue();
p->exciter_strike_level = params[STRIKE_PARAM].getValue();
#define BIND(_p, _m, _i) clamp(params[_p].getValue() + 3.3f * dsp::quadraticBipolar(params[_m].getValue()) * inputs[_i].getPolyVoltage(c) / 5.f, 0.f, 0.9995f)
p->exciter_bow_timbre = BIND(BOW_TIMBRE_PARAM, BOW_TIMBRE_MOD_PARAM, BOW_TIMBRE_MOD_INPUT);
p->exciter_blow_meta = BIND(FLOW_PARAM, FLOW_MOD_PARAM, FLOW_MOD_INPUT);
p->exciter_blow_timbre = BIND(BLOW_TIMBRE_PARAM, BLOW_TIMBRE_MOD_PARAM, BLOW_TIMBRE_MOD_INPUT);
p->exciter_strike_meta = BIND(MALLET_PARAM, MALLET_MOD_PARAM, MALLET_MOD_INPUT);
p->exciter_strike_timbre = BIND(STRIKE_TIMBRE_PARAM, STRIKE_TIMBRE_MOD_PARAM, STRIKE_TIMBRE_MOD_INPUT);
p->resonator_geometry = BIND(GEOMETRY_PARAM, GEOMETRY_MOD_PARAM, GEOMETRY_MOD_INPUT);
p->resonator_brightness = BIND(BRIGHTNESS_PARAM, BRIGHTNESS_MOD_PARAM, BRIGHTNESS_MOD_INPUT);
p->resonator_damping = BIND(DAMPING_PARAM, DAMPING_MOD_PARAM, DAMPING_MOD_INPUT);
p->resonator_position = BIND(POSITION_PARAM, POSITION_MOD_PARAM, POSITION_MOD_INPUT);
p->space = clamp(params[SPACE_PARAM].getValue() + params[SPACE_MOD_PARAM].getValue() * inputs[SPACE_MOD_INPUT].getPolyVoltage(c) / 5.f, 0.f, 2.f);
// Get performance inputs
elements::PerformanceState performance;
performance.note = 12.f * inputs[NOTE_INPUT].getVoltage(c) + std::round(params[COARSE_PARAM].getValue()) + params[FINE_PARAM].getValue() + 69.f;
performance.modulation = 3.3f * dsp::quarticBipolar(params[FM_PARAM].getValue()) * 49.5f * inputs[FM_INPUT].getPolyVoltage(c) / 5.f;
performance.gate = params[PLAY_PARAM].getValue() >= 1.f || inputs[GATE_INPUT].getPolyVoltage(c) >= 1.f;
performance.strength = clamp(1.f - inputs[STRENGTH_INPUT].getPolyVoltage(c) / 5.f, 0.f, 1.f);
// Generate audio
parts[c]->Process(performance, blow[c], strike[c], main[c], aux[c], 16);
// Set lights based on first poly channel
gateLight = std::max(gateLight, performance.gate ? 0.75f : 0.f);
exciterLight = std::max(exciterLight, parts[c]->exciter_level());
resonatorLight = std::max(resonatorLight, parts[c]->resonator_level());
}
// Set lights
lights[GATE_LIGHT].setBrightness(gateLight);
lights[EXCITER_LIGHT].setBrightness(exciterLight);
lights[RESONATOR_LIGHT].setBrightness(resonatorLight);
// Convert output buffer
{
dsp::Frame<16 * 2> outputFrames[16];
for (int c = 0; c < channels; c++) {
for (int i = 0; i < 16; i++) {
outputFrames[i].samples[c * 2 + 0] = main[c][i];
outputFrames[i].samples[c * 2 + 1] = aux[c][i];
}
}
outputSrc.setRates(32000, args.sampleRate);
outputSrc.setChannels(channels * 2);
int inLen = 16;
int outLen = outputBuffer.capacity();
outputSrc.process(outputFrames, &inLen, outputBuffer.endData(), &outLen);
outputBuffer.endIncr(outLen);
}
}
// Set output
if (!outputBuffer.empty()) {
dsp::Frame<16 * 2> outputFrame = outputBuffer.shift();
for (int c = 0; c < channels; c++) {
outputs[AUX_OUTPUT].setVoltage(5.f * outputFrame.samples[c * 2 + 0], c);
outputs[MAIN_OUTPUT].setVoltage(5.f * outputFrame.samples[c * 2 + 1], c);
}
}
outputs[AUX_OUTPUT].setChannels(channels);
outputs[MAIN_OUTPUT].setChannels(channels);
}
json_t* dataToJson() override {
json_t* rootJ = json_object();
json_object_set_new(rootJ, "model", json_integer(getModel()));
return rootJ;
}
void dataFromJson(json_t* rootJ) override {
json_t* modelJ = json_object_get(rootJ, "model");
if (modelJ) {
setModel(json_integer_value(modelJ));
}
}
int getModel() {
// Use the first channel's Part as the reference model
if (parts[0]->easter_egg())
return -1;
return (int) parts[0]->resonator_model();
}
/** Sets the resonator model.
-1 means easter egg (Ominous voice)
*/
void setModel(int model) {
if (model < 0) {
for (int c = 0; c < 16; c++) {
parts[c]->set_easter_egg(true);
}
}
else {
for (int c = 0; c < 16; c++) {
parts[c]->set_easter_egg(false);
parts[c]->set_resonator_model((elements::ResonatorModel) model);
}
}
}
};
struct ElementsWidget : ModuleWidget {
ElementsWidget(Elements* module) {
setModule(module);
setPanel(Svg::load(asset::plugin(pluginInstance, "res/Elements.svg")));
addChild(createWidget<ScrewSilver>(Vec(15, 0)));
addChild(createWidget<ScrewSilver>(Vec(480, 0)));
addChild(createWidget<ScrewSilver>(Vec(15, 365)));
addChild(createWidget<ScrewSilver>(Vec(480, 365)));
addParam(createParam<Rogan1PSWhite>(Vec(28, 42), module, Elements::CONTOUR_PARAM));
addParam(createParam<Rogan1PSWhite>(Vec(99, 42), module, Elements::BOW_PARAM));
addParam(createParam<Rogan1PSRed>(Vec(169, 42), module, Elements::BLOW_PARAM));
addParam(createParam<Rogan1PSGreen>(Vec(239, 42), module, Elements::STRIKE_PARAM));
addParam(createParam<Rogan1PSWhite>(Vec(310, 42), module, Elements::COARSE_PARAM));
addParam(createParam<Rogan1PSWhite>(Vec(381, 42), module, Elements::FINE_PARAM));
addParam(createParam<Rogan1PSWhite>(Vec(451, 42), module, Elements::FM_PARAM));
addParam(createParam<Rogan3PSRed>(Vec(115, 116), module, Elements::FLOW_PARAM));
addParam(createParam<Rogan3PSGreen>(Vec(212, 116), module, Elements::MALLET_PARAM));
addParam(createParam<Rogan3PSWhite>(Vec(326, 116), module, Elements::GEOMETRY_PARAM));
addParam(createParam<Rogan3PSWhite>(Vec(423, 116), module, Elements::BRIGHTNESS_PARAM));
addParam(createParam<Rogan1PSWhite>(Vec(99, 202), module, Elements::BOW_TIMBRE_PARAM));
addParam(createParam<Rogan1PSRed>(Vec(170, 202), module, Elements::BLOW_TIMBRE_PARAM));
addParam(createParam<Rogan1PSGreen>(Vec(239, 202), module, Elements::STRIKE_TIMBRE_PARAM));
addParam(createParam<Rogan1PSWhite>(Vec(310, 202), module, Elements::DAMPING_PARAM));
addParam(createParam<Rogan1PSWhite>(Vec(380, 202), module, Elements::POSITION_PARAM));
addParam(createParam<Rogan1PSWhite>(Vec(451, 202), module, Elements::SPACE_PARAM));
addParam(createParam<Trimpot>(Vec(104.5, 273), module, Elements::BOW_TIMBRE_MOD_PARAM));
addParam(createParam<Trimpot>(Vec(142.5, 273), module, Elements::FLOW_MOD_PARAM));
addParam(createParam<Trimpot>(Vec(181.5, 273), module, Elements::BLOW_TIMBRE_MOD_PARAM));
addParam(createParam<Trimpot>(Vec(219.5, 273), module, Elements::MALLET_MOD_PARAM));
addParam(createParam<Trimpot>(Vec(257.5, 273), module, Elements::STRIKE_TIMBRE_MOD_PARAM));
addParam(createParam<Trimpot>(Vec(315.5, 273), module, Elements::DAMPING_MOD_PARAM));
addParam(createParam<Trimpot>(Vec(354.5, 273), module, Elements::GEOMETRY_MOD_PARAM));
addParam(createParam<Trimpot>(Vec(392.5, 273), module, Elements::POSITION_MOD_PARAM));
addParam(createParam<Trimpot>(Vec(430.5, 273), module, Elements::BRIGHTNESS_MOD_PARAM));
addParam(createParam<Trimpot>(Vec(469.5, 273), module, Elements::SPACE_MOD_PARAM));
addInput(createInput<PJ301MPort>(Vec(20, 178), module, Elements::NOTE_INPUT));
addInput(createInput<PJ301MPort>(Vec(55, 178), module, Elements::FM_INPUT));
addInput(createInput<PJ301MPort>(Vec(20, 224), module, Elements::GATE_INPUT));
addInput(createInput<PJ301MPort>(Vec(55, 224), module, Elements::STRENGTH_INPUT));
addInput(createInput<PJ301MPort>(Vec(20, 270), module, Elements::BLOW_INPUT));
addInput(createInput<PJ301MPort>(Vec(55, 270), module, Elements::STRIKE_INPUT));
addOutput(createOutput<PJ301MPort>(Vec(20, 316), module, Elements::AUX_OUTPUT));
addOutput(createOutput<PJ301MPort>(Vec(55, 316), module, Elements::MAIN_OUTPUT));
addInput(createInput<PJ301MPort>(Vec(101, 316), module, Elements::BOW_TIMBRE_MOD_INPUT));
addInput(createInput<PJ301MPort>(Vec(139, 316), module, Elements::FLOW_MOD_INPUT));
addInput(createInput<PJ301MPort>(Vec(178, 316), module, Elements::BLOW_TIMBRE_MOD_INPUT));
addInput(createInput<PJ301MPort>(Vec(216, 316), module, Elements::MALLET_MOD_INPUT));
addInput(createInput<PJ301MPort>(Vec(254, 316), module, Elements::STRIKE_TIMBRE_MOD_INPUT));
addInput(createInput<PJ301MPort>(Vec(312, 316), module, Elements::DAMPING_MOD_INPUT));
addInput(createInput<PJ301MPort>(Vec(350, 316), module, Elements::GEOMETRY_MOD_INPUT));
addInput(createInput<PJ301MPort>(Vec(389, 316), module, Elements::POSITION_MOD_INPUT));
addInput(createInput<PJ301MPort>(Vec(427, 316), module, Elements::BRIGHTNESS_MOD_INPUT));
addInput(createInput<PJ301MPort>(Vec(466, 316), module, Elements::SPACE_MOD_INPUT));
addParam(createParam<CKD6>(Vec(36, 116), module, Elements::PLAY_PARAM));
struct GateLight : YellowLight {
GateLight() {
box.size = Vec(28 - 6, 28 - 6);
bgColor = color::BLACK_TRANSPARENT;
}
};
addChild(createLight<GateLight>(Vec(36 + 3, 116 + 3), module, Elements::GATE_LIGHT));
addChild(createLight<MediumLight<GreenLight>>(Vec(184, 165), module, Elements::EXCITER_LIGHT));
addChild(createLight<MediumLight<RedLight>>(Vec(395, 165), module, Elements::RESONATOR_LIGHT));
}
void appendContextMenu(Menu* menu) override {
Elements* module = dynamic_cast<Elements*>(this->module);
assert(module);
menu->addChild(new MenuSeparator);
menu->addChild(createMenuLabel("Models"));
struct ModeNameAndId {
std::string name;
int id;
};
static const std::vector<ModeNameAndId> modelLabels = {
{"Original", 0},
{"Non-linear string", 1},
{"Chords", 2},
{"Ominous voice", -1}
};
for (auto modelLabel : modelLabels) {
menu->addChild(createCheckMenuItem(modelLabel.name, "",
[=]() {return module->getModel() == modelLabel.id;},
[=]() {module->setModel(modelLabel.id);}
));
}
}
};
Model* modelElements = createModel<Elements, ElementsWidget>("Elements");