project-kyoku/include/note.h

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#pragma once
#include <vector>
#include <SFML/System/Clock.hpp>
#include <SFML/Graphics/Drawable.hpp>
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using microsec = sf::Int64;
class Note : public sf::Drawable
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{
public:
explicit Note(microsec perfect_offset) :
_perfect_offset(perfect_offset) {}
virtual ~Note() = default;
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virtual bool isActive() const = 0;
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virtual void update(const microsec& music_offset) = 0;
virtual void draw(sf::RenderTarget& target, sf::RenderStates states) const = 0;
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virtual void putToGame(const microsec &offset) = 0;
virtual bool isExpired() const = 0;
microsec offset() const
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{
return _perfect_offset;
}
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protected:
microsec _perfect_offset;
};