uilleann/pipe.h

#pragma once

#include <stdint.h>
#include <SparkFun_Qwiic_Button.h>
#include <Adafruit_MPR121.h>
#include <paj7620.h>
#include "tuning.h"

class Pipe {
public:
    // kneeClosedness indicates how "closed" the knee sensor is. 0 = wide open.
    uint8_t kneeClosedness;

    // keys are which keys are being pressed.
    uint8_t keys;
    uint8_t keysLast;

    // note holds the note being played, according to the fingering chart.
    Note note;

    // glissandoNote is the note that would be played if partially open keys were fully open.
    Note glissandoNote;

    // glissandoOpenness is how "open" the holes are in the direction of the glissandoNote.
    float glissandoOpenness;

    // silent is true if all keys and the knee are closed.
    bool silent;

    // bag is true if the bag is being squished.
    bool bag;

    // altFingering is true if the "alternate fingering" is being played.
    // This should sound different than the standard fingering.
    bool altFingering;

    Pipe();

    // Init initializes everything.
    //
    // Returns true if it all worked. You can run it again if it didn't.
    bool Init();

    // Update reads sensors and updates pipe state.
    //
    // It should be run once per loop.
    void Update();

    // Pressed returns whether the given key is pressed.
    bool Pressed(uint8_t key);

    // JustPressed returns whether the given key was just pressed.
    bool JustPressed(uint8_t key);

private:
    Adafruit_MPR121 capSensor;
    QwiicButton bagSensor;
    bool bag_enabled;    
};