Magical8bitPlug2/Source/PluginProcessor.cpp
Takeshi Yokemura 97aadde9ab arpeggio
2021-05-21 09:18:38 +09:00

496 lines
19 KiB
C++

/*
==============================================================================
This file was auto-generated!
It contains the basic framework code for a JUCE plugin processor.
==============================================================================
*/
#include "PluginProcessor.h"
#include "PluginEditor.h"
#include "PulseVoice.h"
#include "TriangleVoice.h"
#include "NoiseVoice.h"
#include "FrameSequenceParseErrors.h"
//==============================================================================
Magical8bitPlug2AudioProcessor::Magical8bitPlug2AudioProcessor()
: parameters (
*this, nullptr, Identifier ("Params"),
{
//
// Meta
//
std::make_unique<AudioParameterBool> ("isAdvancedPanelOpen_raw", "Advanced", false),
std::make_unique<AudioParameterChoice> ("colorScheme", "Color Scheme", StringArray ({"YMCK", "YMCK Dark", "Japan", "Worldwide", "Monotone", "Mono Dark"}), 0),
//
// Basic
//
std::make_unique<AudioParameterChoice> ("osc", "OSC Type", StringArray ({"Pulse/Square", "Triangle", "Noise"}), 0),
std::make_unique<AudioParameterFloat> ("gain", "Gain", 0.0f, 1.0f, 0.5f),
std::make_unique<AudioParameterFloat> ("maxPoly", "Max Poly", NormalisableRange<float> (1.0f, //min
64.0f, //max
1.0f, //step
1.0f), //skew
8),
//
// ADSR
//
std::make_unique<AudioParameterFloat> ("attack", //ID
"Attack", //name
NormalisableRange<float> (0.0f, //min
5.0f, //max
0.001f, //step
0.5f), //skew
0.0f), //default
std::make_unique<AudioParameterFloat> ("decay", //ID
"Decay", //name
NormalisableRange<float> (0.0f, //min
5.0f, //max
0.001f, //step
0.5f), //skew
0.0f), //default
std::make_unique<AudioParameterFloat> ("suslevel", //ID
"Sustain", //name
0.0f, //min
1.0f, //max
1.0f),//default
std::make_unique<AudioParameterFloat> ("release", //ID
"Release", //name
NormalisableRange<float> (0.0f, //min
5.0f, //max
0.001f, //step
0.5f), //skew
0.0f), //default
//
// Monophonic
//
std::make_unique<AudioParameterChoice> ("monophonicBehavior_raw", "Behavior", StringArray ({"Legato", "Arpeggio Up", "Arpeggio Down", "Non-legato"}), 0),
std::make_unique<AudioParameterChoice> ("arpeggioIntervalType_raw", "Interval", StringArray ({"1 frame", "2 frames", "3 frames", "96th", "64th", "48th", "32nd", "24th", "Slider"}), 0),
std::make_unique<AudioParameterFloat> ("arpeggioIntervalSliderValue", //ID
"Interval", //name
NormalisableRange<float> (0.001f, //min
0.3f, //max
0.001f, //step
0.5f), //skew
0.001f), //default
std::make_unique<AudioParameterFloat> ("portamentoTime", "Portamento Time", 0.0f, 1.0f, 0.0f),
//
// Bend
//
std::make_unique<AudioParameterInt> ("bendRange", "Bend Range", 0, 24, 2),
//
// Vibrato
//
std::make_unique<AudioParameterFloat> ("vibratoRate", //ID
"Rate", //name
NormalisableRange<float> (0.01f, //min
1.0f, //max
0.001f, //step
0.5f), //skew
0.15f), //default
std::make_unique<AudioParameterFloat> ("vibratoDepth", "Depth", 0.0f, 2.0f, 0.0f),
std::make_unique<AudioParameterFloat> ("vibratoDelay", "Delay", 0.0f, 1.0f, 0.3f),
std::make_unique<AudioParameterBool> ("vibratoIgnoresWheel_raw", "Ignores Wheel", true),
//
// Sweep
//
std::make_unique<AudioParameterInt> ("sweepInitialPitch", "Ini.Pitch", -24, 24, 0),
std::make_unique<AudioParameterFloat> ("sweepTime", //ID
"Time", //name
NormalisableRange<float> (0.01f, //min
5.0f, //max
0.001f, //step
0.5f), //skew
0.1f), //default
//
// For Pulse
//
std::make_unique<AudioParameterChoice> ("duty", "Duty", StringArray ({"12.5%", "25%", "50%"}), 0),
//
// For Noise
//
std::make_unique<AudioParameterChoice> ("noiseAlgorithm_raw", "Algorithm", StringArray ({"4bit Pure Random", "1bit Long Cycle", "1bit Short Cycle"}), 0),
std::make_unique<AudioParameterBool> ("restrictsToNESFrequency_raw", "Restricts to NES frequency", false),
//
// Sequence
//
std::make_unique<AudioParameterBool> ("isVolumeSequenceEnabled_raw", "Enabled", false),
std::make_unique<AudioParameterBool> ("isPitchSequenceEnabled_raw", "Enabled", false),
std::make_unique<AudioParameterBool> ("isDutySequenceEnabled_raw", "Enabled", false),
std::make_unique<AudioParameterChoice> ("pitchSequenceMode_raw", "Mode", StringArray ({"Coarse", "Fine"}), 0)
}
)
, settingRefs (&parameters)
, synth(*this)
#ifndef JucePlugin_PreferredChannelConfigurations
, AudioProcessor (BusesProperties()
#if ! JucePlugin_IsMidiEffect
#if ! JucePlugin_IsSynth
.withInput ("Input", AudioChannelSet::stereo(), true)
#endif
.withOutput ("Output", AudioChannelSet::stereo(), true)
#endif
)
#endif
{
synth.setCurrentPlaybackSampleRate (44100); // Temporary setup, just in case. The actual sample rate is set in prepareToPlay func.
setupVoice();
synth.addSound (new GenericSound());
}
Magical8bitPlug2AudioProcessor::~Magical8bitPlug2AudioProcessor()
{
}
//==============================================================================
void Magical8bitPlug2AudioProcessor::setupVoice()
{
int poly = synth.getNumVoices();
for (auto i = 0; i < poly; i++)
{
synth.removeVoice (0);
}
int type = roundToInt (*settingRefs.osc);
for (auto i = 0; i < (int) (*settingRefs.maxPoly); ++i)
{
switch (type)
{
case kVoiceTypePulse:
synth.addVoice (new PulseVoice (&settingRefs));
break;
case kVoiceTypeTriangle:
synth.addVoice (new TriangleVoice (&settingRefs));
break;
case kVoiceTypeNoise:
synth.addVoice (new NoiseVoice (&settingRefs));
break;
}
}
}
double Magical8bitPlug2AudioProcessor::getCurrentBPM()
{
auto ph = getPlayHead();
if (ph == NULL) {
return 120.0;
}
juce::AudioPlayHead::CurrentPositionInfo result;
ph->getCurrentPosition(result);
return result.bpm > 0 ? result.bpm : 120.0;
}
//==============================================================================
const String Magical8bitPlug2AudioProcessor::getName() const
{
return JucePlugin_Name;
}
bool Magical8bitPlug2AudioProcessor::acceptsMidi() const
{
#if JucePlugin_WantsMidiInput
return true;
#else
return false;
#endif
}
bool Magical8bitPlug2AudioProcessor::producesMidi() const
{
#if JucePlugin_ProducesMidiOutput
return true;
#else
return false;
#endif
}
bool Magical8bitPlug2AudioProcessor::isMidiEffect() const
{
#if JucePlugin_IsMidiEffect
return true;
#else
return false;
#endif
}
double Magical8bitPlug2AudioProcessor::getTailLengthSeconds() const
{
return 0.0;
}
int Magical8bitPlug2AudioProcessor::getNumPrograms()
{
return 1; // NB: some hosts don't cope very well if you tell them there are 0 programs,
// so this should be at least 1, even if you're not really implementing programs.
}
int Magical8bitPlug2AudioProcessor::getCurrentProgram()
{
return 0;
}
void Magical8bitPlug2AudioProcessor::setCurrentProgram (int index)
{
}
const String Magical8bitPlug2AudioProcessor::getProgramName (int index)
{
return {};
}
void Magical8bitPlug2AudioProcessor::changeProgramName (int index, const String& newName)
{
}
//==============================================================================
void Magical8bitPlug2AudioProcessor::prepareToPlay (double sampleRate, int samplesPerBlock)
{
// Use this method as the place to do any pre-playback
// initialisation that you need..
synth.setCurrentPlaybackSampleRate (sampleRate);
}
void Magical8bitPlug2AudioProcessor::releaseResources()
{
// When playback stops, you can use this as an opportunity to free up any
// spare memory, etc.
}
#ifndef JucePlugin_PreferredChannelConfigurations
bool Magical8bitPlug2AudioProcessor::isBusesLayoutSupported (const BusesLayout& layouts) const
{
#if JucePlugin_IsMidiEffect
ignoreUnused (layouts);
return true;
#else
// This is the place where you check if the layout is supported.
// In this template code we only support mono or stereo.
if (layouts.getMainOutputChannelSet() != AudioChannelSet::mono()
&& layouts.getMainOutputChannelSet() != AudioChannelSet::stereo())
return false;
// This checks if the input layout matches the output layout
#if ! JucePlugin_IsSynth
if (layouts.getMainOutputChannelSet() != layouts.getMainInputChannelSet())
return false;
#endif
return true;
#endif
}
#endif
void Magical8bitPlug2AudioProcessor::processBlock (AudioBuffer<float>& buffer, MidiBuffer& midiMessages)
{
synth.renderNextBlock (buffer, midiMessages, 0, buffer.getNumSamples()); // [5]
/*
buffer.clear();
MidiBuffer processedMidi;
int time;
MidiMessage m;
for (MidiBuffer::Iterator i (midiMessages); i.getNextEvent (m, time);)
{
if (m.isNoteOn())
{
uint8 newVel = (uint8)noteOnVel;
m = MidiMessage::noteOn(m.getChannel(), m.getNoteNumber(), newVel);
}
else if (m.isNoteOff())
{
}
else if (m.isAftertouch())
{
}
else if (m.isPitchWheel())
{
}
processedMidi.addEvent (m, time);
}
midiMessages.swapWith (processedMidi);
ScopedNoDenormals noDenormals;
auto totalNumInputChannels = getTotalNumInputChannels();
auto totalNumOutputChannels = getTotalNumOutputChannels();
// In case we have more outputs than inputs, this code clears any output
// channels that didn't contain input data, (because these aren't
// guaranteed to be empty - they may contain garbage).
// This is here to avoid people getting screaming feedback
// when they first compile a plugin, but obviously you don't need to keep
// this code if your algorithm always overwrites all the output channels.
for (auto i = totalNumInputChannels; i < totalNumOutputChannels; ++i)
buffer.clear (i, 0, buffer.getNumSamples());
// This is the place where you'd normally do the guts of your plugin's
// audio processing...
// Make sure to reset the state if your inner loop is processing
// the samples and the outer loop is handling the channels.
// Alternatively, you can process the samples with the channels
// interleaved by keeping the same state.
for (int channel = 0; channel < totalNumInputChannels; ++channel)
{
auto* channelData = buffer.getWritePointer (channel);
// ..do something to the data...
}
*/
}
//==============================================================================
bool Magical8bitPlug2AudioProcessor::hasEditor() const
{
return true; // (change this to false if you choose to not supply an editor)
}
AudioProcessorEditor* Magical8bitPlug2AudioProcessor::createEditor()
{
return new Magical8bitPlug2AudioProcessorEditor (*this);
}
//==============================================================================
void Magical8bitPlug2AudioProcessor::getStateInformation (MemoryBlock& destData)
{
auto state = parameters.copyState();
XmlElement* rootElement = new XmlElement ("root");
std::unique_ptr<XmlElement> stateElement = std::unique_ptr<XmlElement> (state.createXml());
rootElement->addChildElement (stateElement.get());
stateElement.release(); // give up the ownership already because xml object will delete it
XmlElement* volEnvElement = new XmlElement ("volumeEnv");
XmlElement* pitEnvElement = new XmlElement ("pitchEnv");
XmlElement* dutEnvElement = new XmlElement ("dutyEnv");
volEnvElement->addTextElement (settingRefs.volumeSequenceString);
pitEnvElement->addTextElement (settingRefs.pitchSequenceString);
dutEnvElement->addTextElement (settingRefs.dutySequenceString);
rootElement->addChildElement (volEnvElement);
rootElement->addChildElement (pitEnvElement);
rootElement->addChildElement (dutEnvElement);
std::unique_ptr<XmlElement> xml (rootElement);
copyXmlToBinary (*xml, destData);
}
void Magical8bitPlug2AudioProcessor::setStateInformation (const void* data, int sizeInBytes)
{
std::unique_ptr<XmlElement> xmlState (getXmlFromBinary (data, sizeInBytes));
if (xmlState.get() != nullptr)
{
if (xmlState->hasTagName ("root"))
{
// ValueTree
XmlElement* valueTreeXml = xmlState->getChildByName (parameters.state.getType());
if (valueTreeXml != nullptr)
{
parameters.replaceState (ValueTree::fromXml (*valueTreeXml));
}
else
{
printf ("Saved plugin parameters are incompatible");
}
// Custom Env
XmlElement* volumeEnvXml = xmlState->getChildByName ("volumeEnv");
XmlElement* pitchEnvXml = xmlState->getChildByName ("pitchEnv");
XmlElement* dutyEnvXml = xmlState->getChildByName ("dutyEnv");
if (volumeEnvXml != nullptr)
{
XmlElement* volElem = volumeEnvXml->getFirstChildElement();
if (volElem != nullptr && volElem->isTextElement())
{
String volStr = volElem->getText();
ParseError err = kParseErrorNone;
settingRefs.setSequenceWithString ("volume", volStr, &err);
if (settingRefs.volumeSequenceListener != nullptr)
{
settingRefs.volumeSequenceListener->sequenceChanged (volStr);
}
Logger::writeToLog ("volume seq = " + volStr);
}
else
{
Logger::writeToLog ("volumeEnv entry found, but seems not like a text element.");
}
}
if (pitchEnvXml != nullptr)
{
XmlElement* pitElem = pitchEnvXml->getFirstChildElement();
if (pitElem != nullptr && pitElem->isTextElement())
{
String pitStr = pitElem->getText();
ParseError err = kParseErrorNone;
settingRefs.setSequenceWithString ("pitch", pitStr, &err);
if (settingRefs.pitchSequenceListener != nullptr)
{
settingRefs.pitchSequenceListener->sequenceChanged (pitStr);
}
Logger::writeToLog ("pitch seq = " + pitStr);
}
else
{
Logger::writeToLog ("pitchEnv entry found, but seems not like a text element.");
}
}
if (dutyEnvXml != nullptr)
{
XmlElement* dutElem = dutyEnvXml->getFirstChildElement();
if (dutElem != nullptr && dutElem->isTextElement())
{
String dutStr = dutElem->getText();
ParseError err = kParseErrorNone;
settingRefs.setSequenceWithString ("duty", dutStr, &err);
if (settingRefs.dutySequenceListener != nullptr)
{
settingRefs.dutySequenceListener->sequenceChanged (dutStr);
}
Logger::writeToLog ("duty seq = " + dutStr);
}
else
{
Logger::writeToLog ("dutyEnv entry found, but seems not like a text element.");
}
}
}
}
setupVoice();
}
//==============================================================================
// This creates new instances of the plugin..
AudioProcessor* JUCE_CALLTYPE createPluginFilter()
{
return new Magical8bitPlug2AudioProcessor();
}