project-kyoku/note.h

#ifndef NOTE_H
#define NOTE_H

#include <SFML/System/Clock.hpp>

using microsec = sf::Int64;

struct NoteGrade
{
    int score = 0;
    enum class Rating
    {
        WRONG,
        BAD,
        GOOD,
        GREAT
    } rating = Rating::BAD;
};

class Note
{
public:
    enum class Arrow
    {
        UP,
        RIGHT,
        DOWN,
        LEFT,

        NONE
    };

    Note(microsec offset, microsec death_offset, Note::Arrow type = Note::Arrow::UP);

    NoteGrade onTap(Arrow arrow_type, microsec tap_time_stamp) const;
    microsec offset() const noexcept;
    microsec deathOffset() const noexcept;

private:
    microsec _offset;
    microsec _death_offset;
    Arrow _type = Arrow::UP;

    NoteGrade calculatePrecision(microsec odds) const;
};

#endif // NOTE_H