enum ParamIds {

LEVEL1_PARAM,

LEVEL2_PARAM,

MODE1_PARAM,

MODE2_PARAM,

NUM_PARAMS

};

enum InputIds {

ENV1_INPUT,

IN1_INPUT,

ENV2_INPUT,

IN2_INPUT,

NUM_INPUTS

};

enum OutputIds {

OUT1_OUTPUT,

OUT2_OUTPUT,

NUM_OUTPUTS

};

float v1= 0.0f;

float v2= 0.0f;

const float expBase = 50.0f;

bool env1_mode_cv;

bool env2_mode_cv;

VCA() {

config(NUM_PARAMS, NUM_INPUTS, NUM_OUTPUTS);

configParam(VCA::LEVEL1_PARAM, 0.0f, 1.0f, 0.5f, "CH 1 Gain", "%", 0.0f, 100.0f);

configParam(VCA::LEVEL2_PARAM, 0.0f, 1.0f, 0.5f, "CH 2 Gain", "%", 0.0f, 100.0f);

//New in V2, config switches and ports info without displaying values

configSwitch(MODE1_PARAM, 0.0f, 1.0f, 1.0f, "CH 1 Response", {"Exponential", "Linear"});

configSwitch(MODE2_PARAM, 0.0f, 1.0f, 1.0f, "CH 2 Response", {"Exponential", "Linear"});

//inputs

configInput(ENV1_INPUT, "CH 1 Gain CV");

configInput(ENV2_INPUT, "CH 2 Gain CV");

configInput(IN1_INPUT, "CH 1");

configInput(IN2_INPUT, "CH 2");

//Outputs

configOutput(OUT1_OUTPUT, "CH 1");

configOutput(OUT2_OUTPUT, "CH 2");

}

void process(const ProcessArgs &args) override {

//VCA 1

v1 = inputs[IN1_INPUT].getVoltage() * params[LEVEL1_PARAM].getValue();

if(inputs[ENV1_INPUT].isConnected()){

if(params[MODE1_PARAM].getValue()==1){

v1 *= clamp(inputs[ENV1_INPUT].getVoltage() / 10.0f, 0.0f, 1.0f);

}else{

v1 *= rescale(powf(expBase, clamp(inputs[ENV1_INPUT].getVoltage() / 10.0f, 0.0f, 1.0f)), 1.0f, expBase, 0.0f, 1.0f);

}

}

outputs[OUT1_OUTPUT].setVoltage(v1);

//VCA 2

v2 = inputs[IN2_INPUT].getVoltage() * params[LEVEL2_PARAM].getValue();

if(inputs[ENV2_INPUT].isConnected()){

if(params[MODE2_PARAM].getValue()){

v2 *= clamp(inputs[ENV2_INPUT].getVoltage() / 10.0f, 0.0f, 1.0f);

}else{

v2 *= rescale(powf(expBase, clamp(inputs[ENV2_INPUT].getVoltage() / 10.0f, 0.0f, 1.0f)), 1.0f, expBase, 0.0f, 1.0f);

}

}

outputs[OUT2_OUTPUT].setVoltage(v2);

}

VCAWidget(VCA *module) {

setModule(module);

setPanel(APP->window->loadSvg(asset::plugin(pluginInstance, "res/VCA.svg")));

//SCREWS

addChild(createWidget<as_HexScrew>(Vec(RACK_GRID_WIDTH, 0)));

addChild(createWidget<as_HexScrew>(Vec(box.size.x - 2 * RACK_GRID_WIDTH, 0)));

addChild(createWidget<as_HexScrew>(Vec(RACK_GRID_WIDTH, RACK_GRID_HEIGHT - RACK_GRID_WIDTH)));

addChild(createWidget<as_HexScrew>(Vec(box.size.x - 2 * RACK_GRID_WIDTH, RACK_GRID_HEIGHT - RACK_GRID_WIDTH)));

//SLIDERS

addParam(createParam<as_SlidePot>(Vec(10, 70), module, VCA::LEVEL1_PARAM));

addParam(createParam<as_SlidePot>(Vec(55, 70), module, VCA::LEVEL2_PARAM));

//MODE SWITCHES

addParam(createParam<as_CKSS>(Vec(14, 190), module, VCA::MODE1_PARAM));

addParam(createParam<as_CKSS>(Vec(59, 190), module, VCA::MODE2_PARAM));

//PORTS

addInput(createInput<as_PJ301MPort>(Vec(10, 217), module, VCA::ENV1_INPUT));

addInput(createInput<as_PJ301MPort>(Vec(55, 217), module, VCA::ENV2_INPUT));

addInput(createInput<as_PJ301MPort>(Vec(10, 260), module, VCA::IN1_INPUT));

addInput(createInput<as_PJ301MPort>(Vec(55, 260), module, VCA::IN2_INPUT));

addOutput(createOutput<as_PJ301MPortGold>(Vec(10, 310), module, VCA::OUT1_OUTPUT));

addOutput(createOutput<as_PJ301MPortGold>(Vec(55, 310), module, VCA::OUT2_OUTPUT));

}