synTUsize1/PluginProcessor.cpp at main · INSO-World/synTUsize1 · GitHub

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#include "PluginProcessor.h"
#include "PluginEditor.h"


AudioPluginAudioProcessor::AudioPluginAudioProcessor() :
     AudioProcessor (BusesProperties()
        .withOutput ("Output",juce::AudioChannelSet::stereo(),true)
     ),
     parameters(*this, nullptr, juce::Identifier ("synTUsize1"),
                        {
                std::make_unique<juce::AudioParameterInt> ("oscillator",
                "Oscillator Waveform Switch",
                0,
                1,
                1
            ),
                std::make_unique<juce::AudioParameterFloat> ("resonance",
                "Resonance",
                0.0F,
                1.0F,
                0.0F
            ),
                std::make_unique<juce::AudioParameterInt> ("filter_toggle",
                "Filter Type Toggle Switch",
                0,
                1,
                0
            ),
                std::make_unique<juce::AudioParameterInt> ("lpf_cutoff",
                "Low Pass Filter Cutoff",
                20,
                20000,
                20000
            ),
                std::make_unique<juce::AudioParameterInt> ("hpf_cutoff",
                "High Pass Filter Cutoff",
                20,
                20000,
                20
            ),
                std::make_unique<juce::AudioParameterFloat> ("distortion",
                "Distortion Level",
                0.0F,
                1.0F,
                0.0F
            ),
                std::make_unique<juce::AudioParameterFloat> ("master_volume",
                "Master Volume Level",
                0.0F,
                1.0F,
                0.5F
            ),
        }
    ),
     soundGenerator(parameters)
{
}

AudioPluginAudioProcessor::~AudioPluginAudioProcessor() = default;


const juce::String AudioPluginAudioProcessor::getName() const
{
    return JucePlugin_Name;
}

bool AudioPluginAudioProcessor::acceptsMidi() const
{
    return true;
}

bool AudioPluginAudioProcessor::producesMidi() const
{
    return true;
}

bool AudioPluginAudioProcessor::isMidiEffect() const
{
    return false;
}

double AudioPluginAudioProcessor::getTailLengthSeconds() const
{
    return 0.0;
}

int AudioPluginAudioProcessor::getNumPrograms()
{
    return 1;
}

int AudioPluginAudioProcessor::getCurrentProgram()
{
    return 0;
}

void AudioPluginAudioProcessor::setCurrentProgram (int index)
{
    juce::ignoreUnused(index);
}

const juce::String AudioPluginAudioProcessor::getProgramName (int index)
{
    juce::ignoreUnused(index);
    return {};
}

void AudioPluginAudioProcessor::changeProgramName (int index, const juce::String& newName)
{
    juce::ignoreUnused(index, newName);
}

void AudioPluginAudioProcessor::prepareToPlay(double sampleRate, int samplesPerBlock) {
    juce::String startup_message;
    startup_message << "Starting up with sample rate " << sampleRate << "\n";
    startup_message << "(" << samplesPerBlock << " samples per block)\n";
    soundGenerator.initialize(sampleRate, samplesPerBlock, getTotalNumOutputChannels());
    std::cout << startup_message;
}

void AudioPluginAudioProcessor::releaseResources() {
    std::cout << "Shutting down..." << "\n";
}

bool AudioPluginAudioProcessor::isBusesLayoutSupported(const BusesLayout &layouts) const {
    juce::ignoreUnused(layouts);
    return false;
}

void AudioPluginAudioProcessor::processBlock(juce::AudioBuffer<float>& buffer, juce::MidiBuffer& midiMessages) {
    for (auto i = 0; i < buffer.getNumChannels(); ++i) {
        buffer.clear(i, 0, buffer.getNumSamples());
    }
    soundGenerator.processBlock(buffer, midiMessages);
}

bool AudioPluginAudioProcessor::hasEditor() const {
    return true;
}

juce::AudioProcessorEditor *AudioPluginAudioProcessor::createEditor() {
    return new AudioPluginAudioProcessorEditor(*this, parameters);
}

void AudioPluginAudioProcessor::getStateInformation(juce::MemoryBlock &destData) {
    auto state = parameters.copyState();
    std::unique_ptr<juce::XmlElement> xml (state.createXml());
    copyXmlToBinary(*xml, destData);
}

void AudioPluginAudioProcessor::setStateInformation(const void *data, int sizeInBytes) {
    std::unique_ptr<juce::XmlElement> xmlState(getXmlFromBinary(data, sizeInBytes));
    if (xmlState != nullptr)
        if (xmlState->hasTagName(parameters.state.getType()))
            parameters.replaceState(juce::ValueTree::fromXml(*xmlState));
}

juce::AudioProcessor *JUCE_CALLTYPE createPluginFilter() {
    return new AudioPluginAudioProcessor();
}