fluxmeasurementcomponent.h

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
#pragma once
 
// Local includes
#include "fftutils.h"
 
// External includes
#include <audio/service/audioservice.h>
#include <component.h>
#include <smoothdamp.h>
 
namespace nap
{
    class FluxMeasurementComponentInstance;
    class FFTAudioNodeComponentInstance;
            
    class NAPAPI FluxMeasurementComponent : public Component
    {
        RTTI_ENABLE(Component)
        DECLARE_COMPONENT(FluxMeasurementComponent, FluxMeasurementComponentInstance)   
    public:
        void getDependentComponents(std::vector<rtti::TypeInfo>& components) const override;
 
        float mMinHz = 0.0f;            
        float mMaxHz = 44100.0f;        
 
        float mScale = 1.0f;            
        float mDecay = 0.95f;           
    };
        
        
    class NAPAPI FluxMeasurementComponentInstance : public ComponentInstance
    {
        RTTI_ENABLE(ComponentInstance)
    public:
        // Constructor
        FluxMeasurementComponentInstance(EntityInstance& entity, Component& resource) :
            ComponentInstance(entity, resource) {}
 
        // Initialize the component
        bool init(utility::ErrorState& errorState) override;
 
        virtual void update(double deltaTime) override;
 
        float getFlux() const                               { return mFlux; }
 
        void setDecay(float decay)                          { mDecay = decay; }
 
        void setScale(float scale)                          { mScale = scale; }
 
    private:
        FluxMeasurementComponent*           mResource = nullptr;
        audio::AudioService*                mAudioService = nullptr;
        FFTAudioNodeComponentInstance*      mFFTAudioComponent = nullptr;
 
        FFTBuffer::AmplitudeSpectrum        mPreviousBuffer;
 
        float                               mMinHz = 0.0f;
        float                               mMaxHz = 44100.0f;
 
        float                               mScale = 1.0f;
        float                               mDecay = 0.95f;
        float                               mFlux = 0.0f;
    };
}