ambivalence/Source/GUI/DecayCurveViz.h

#pragma once
#include <JuceHeader.h>
#include "../PluginProcessor.h"
#include "AmbivalenceUI.h"

class DecayCurveViz : public juce::Component, private juce::Timer {
public:
    DecayCurveViz();
    ~DecayCurveViz() override;

    void setProcessor(FDNReverbAudioProcessor* p) noexcept { processor = p; }
    void paint(juce::Graphics& g) override;
    void resized() override;

private:
    void timerCallback() override;

     // --- time axis -----------------------------------------------
     // time axis :
     // 0~splitSec : plotW x splitRatio width expanded
     // splitSec~max: width
     // ER(0~200ms) 2
    float timeToX(float timeSec, float plotX, float plotW,
        float maxTimeSec) const noexcept;

    FDNReverbAudioProcessor* processor{ nullptr };

    float cachedRT60Mid{ 1.0f };
    int   cachedERTapCount{ 0 };
    bool  cachedERBypassed{ false };

    static constexpr int MAX_DISPLAY_TAPS = 12;
    std::array<float, MAX_DISPLAY_TAPS> cachedERDelayMs;
    std::array<float, MAX_DISPLAY_TAPS> cachedERGains;

     // --- time axis setting ---
     // splitSec below time splitRatio width expanded
     static constexpr float splitSec = 0.20f; // 0~200ms expanded
     static constexpr float splitRatio = 0.30f; // full width 30% ER zone

    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(DecayCurveViz)
};