sm-26/Source/PluginProcessor.h

#pragma once

#include <JuceHeader.h>
#include "SynthEngine.h"
#include "Presets.h"

class SM26AudioProcessor : public juce::AudioProcessor,
                            public juce::AudioProcessorValueTreeState::Listener
{
public:
    SM26AudioProcessor();
    ~SM26AudioProcessor() override;

    void prepareToPlay (double sampleRate, int samplesPerBlock) override;
    void releaseResources() override;
    void processBlock (juce::AudioBuffer<float>&, juce::MidiBuffer&) override;

    juce::AudioProcessorEditor* createEditor() override;
    bool hasEditor() const override { return true; }
    const juce::String getName() const override { return "SM-26"; }

    bool acceptsMidi() const override  { return true; }
    bool producesMidi() const override { return false; }
    bool isMidiEffect() const override { return false; }
    double getTailLengthSeconds() const override { return 0.0; }

    int getNumPrograms() override { return 1; }
    int getCurrentProgram() override { return 0; }
    void setCurrentProgram (int) override {}
    const juce::String getProgramName (int) override { return {}; }
    void changeProgramName (int, const juce::String&) override {}

    void getStateInformation (juce::MemoryBlock& destData) override;
    void setStateInformation (const void* data, int sizeInBytes) override;

    void setKnob (int knob, float value01);
    void adjustParam (int paramId, float delta01);

    juce::AudioProcessorValueTreeState apvts;
    sm26::SynthEngine engine;

    void setPresetByIndex (int i);
    int  presetCount() const { return sm26::PresetStore::count(); }

private:
    void parameterChanged (const juce::String& parameterID, float newValue) override;
    void applyPresetKnobs();

    std::atomic<bool> paramsReady{false};

    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (SM26AudioProcessor)
};