feat(plugin): add plugin processor and editor

2026-09-08 14:55:22 +02:00
parent 0a94208d0f
commit 6e4d399a04
4 changed files with 1288 additions and 0 deletions
@@ -0,0 +1,71 @@
+#pragma once
+
+#include <JuceHeader.h>
+#include "Params.h"
+#include "Engine.h"
+#include "RAVEButton.h"
+
+namespace serum
+{
+
+// ===========================================================================
+// SerumAlt — a wavetable synthesiser (VST3 / AU). Hosts the APVTS, the audio
+// engine, preset management and the RAVE controller.
+// ===========================================================================
+class SerumAltAudioProcessor : public juce::AudioProcessor
+{
+public:
+    SerumAltAudioProcessor();
+    ~SerumAltAudioProcessor() override;
+
+    // --- AudioProcessor ---
+    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 "SerumAlt"; }
+    bool acceptsMidi() const override               { return true; }
+    bool producesMidi() const override              { return false; }
+    bool isMidiEffect() const override              { return false; }
+    double getTailLengthSeconds() const override    { return 2.0; }
+
+    int  getNumPrograms() override;
+    int  getCurrentProgram() override;
+    void setCurrentProgram (int index) override;
+    const juce::String getProgramName (int index) override;
+    void changeProgramName (int index, const juce::String& newName) override;
+
+    void getStateInformation (juce::MemoryBlock& destData) override;
+    void setStateInformation (const void* data, int sizeInBytes) override;
+
+    // --- SerumAlt ---
+    void setRaveEnabled (bool enabled);
+    bool isRaveEnabled() const;
+
+    int  getUiScaleIndex() const;
+    void setUiScaleIndex (int index);
+    float getUiScale() const;
+
+    void loadFactoryPreset (int index);
+    int  getNumFactoryPresets() const;
+
+    // Public DSP state (read/write from the GUI thread).
+    juce::AudioProcessorValueTreeState parameters;
+    Engine engine;
+    RaveController rave;
+
+    static juce::AudioProcessorValueTreeState::ParameterLayout createParameterLayout();
+
+private:
+    int currentProgram = 0;
+
+    void restoreLfoShapesFromState (const juce::ValueTree& state);
+    void saveLfoShapesToState (juce::ValueTree& state) const;
+
+    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (SerumAltAudioProcessor)
+};
+
+} // namespace serum