mellotroncore.h

#pragma once

#include "synthbase.h"
#include "synthfunctions.h"
#include "synthlabpcmsource.h"

// -----------------------------
//  --- SynthLab SDK File --- // 
//  ----------------------------
// -----------------------------------------------------------------------------
namespace SynthLab
{
    class MellotronCore : public ModuleCore
    {
    public:
        MellotronCore();                /* C-TOR */
        
        virtual ~MellotronCore() {}     /* D-TOR */

        virtual bool reset(CoreProcData& processInfo) override;
        virtual bool update(CoreProcData& processInfo) override;
        virtual bool render(CoreProcData& processInfo) override;
        virtual bool doNoteOn(CoreProcData& processInfo) override;
        virtual bool doNoteOff(CoreProcData& processInfo) override;

    protected:
        // --- basic variables
        double sampleRate = 0.0;        
        double midiPitch = 0.0;         
        double outputAmplitude = 1.0;   
        double panLeftGain = 0.707;     
        double panRightGain = 0.707;    

        // --- timebase
        double readIndex = 0.0;         
        double phaseInc = 0.0;          

        // --- unit3
        uint32_t currentIndex = 0;      

        // --- PCM sample source
        IPCMSampleSource* selectedSampleSource = nullptr; 

        // --- PCM sources; these are used to register the samples with the database
        //     if the samples already exist, these won't be used. Notice that the update() function
        //     ONLY uses PCM sources from the database! 
        SynthLabPCMSource pcmSources[MODULE_STRINGS];

        // --- helper function
        void checkAddSampleSet(std::string sampleDirectory, std::string sampleName, CoreProcData& processInfo, uint32_t index); 
    };

} // namespace