wsoscillator.h

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#pragma once

#include "synthbase.h"
#include "synthfunctions.h"
#include "wtoscillator.h"

// -----------------------------
//  --- SynthLab SDK File --- // 
//  ----------------------------
// -----------------------------------------------------------------------------
namespace SynthLab
{
    class WSOscillator : public SynthModule
    {
    public:
        WSOscillator(std::shared_ptr<MidiInputData> _midiInputData,
            std::shared_ptr<WSOscParameters> _parameters,
            std::shared_ptr<WavetableDatabase> _waveTableDatabase,
            uint32_t blockSize = 64);

        virtual ~WSOscillator() {}/* D-TOR */

        virtual bool reset(double _sampleRate) override;
        virtual bool update() override;
        virtual bool render(uint32_t samplesToProcess = 1) override;
        virtual bool doNoteOn(MIDINoteEvent& noteEvent) override;
        virtual bool doNoteOff(MIDINoteEvent& noteEvent) override;
        virtual bool startGlideModulation(GlideInfo& glideInfo) override;
        
        void makeWaveStringMap();
        void mixOscBuffers(std::shared_ptr<AudioBuffer> oscBuffers, uint32_t samplesInBlock, double scaling);
        
        bool oscIsFree(uint32_t oscIndex, uint32_t waveAIndex, uint32_t waveBIndex);
        bool oscHasWaveIndex(uint32_t oscIndex, uint32_t waveIndex);
        void setNewOscWaveA(uint32_t oscIndex, uint32_t waveAIndex, double oscAMixCoeff);
        void setNewOscWaveB(uint32_t oscIndex, uint32_t waveBIndex, double oscBMixCoeff);
    
        std::shared_ptr<Modulators> getWSOscModulationInput(uint32_t oscIndex);
        std::shared_ptr<WTOscillator> getWTOscillator(uint32_t index);
    
        void updateActiveOscillators();

    protected:
        // --- parameters
        std::shared_ptr<WSOscParameters> parameters = nullptr;
        
        // --- four WT Oscillators
        std::shared_ptr<WTOscillator> waveSeqOsc[NUM_WS_OSCILLATORS] = { nullptr, nullptr, nullptr, nullptr };
        std::shared_ptr<WTOscParameters> waveSeqParams[NUM_WS_OSCILLATORS] = { nullptr, nullptr, nullptr, nullptr };

        // --- stores the active pair of osc indexes
        uint32_t activeOsc[2] = { 0, 1 }; 
        int32_t currSoloWave = -1; // -1 = nothing is being soloed

        // --- mising coefficients for the oscillators
        double oscMixCoeff[NUM_WS_OSCILLATORS] = { 0.0, 0.0, 0.0, 0.0 };
        
        // --- initializer for one-time setup
        bool initRoundRobin = true;

        // --- for connecting waveform strings to the oscillator cores that implement them
        std::vector<WaveStringData> waveStringFinder;
    };


}