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58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
#ifndef TIMELINE_H
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#define TIMELINE_H
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#include <SFML/Config.hpp>
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#include <SFML/Graphics/RectangleShape.hpp>
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#include <vector>
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#include <memory>
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using microsec = sf::Int64;
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class Note;
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class TimelineViewManager;
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class Timeline : public sf::Drawable // Probably it's bad
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{
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public:
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explicit Timeline(std::unique_ptr<TimelineViewManager> view_manager);
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virtual ~Timeline();
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virtual void draw(sf::RenderTarget& target, sf::RenderStates states) const override;
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void update(const microsec& music_offset);
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Note *fetchActiveNote(const microsec &music_offset) noexcept;
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/* void init(); */
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void clear();
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private:
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std::vector<Note*> _timeline;
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std::vector<Note*>::const_iterator _top_note;
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Note* _active_note;
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std::vector<Note*>::const_iterator _last_visible_note;
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microsec _visibility_offset;
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std::unique_ptr<TimelineViewManager> _view_manager;
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void checkCurrentActiveNote(const microsec &music_offset);
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void checkForNextActiveNote(const microsec &music_offset);
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void prepareNotesToDraw(const microsec &music_offset);
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/* Difference between top and active note is that
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* top note is the note handling input right now
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* OR it's the closest note from current music offset
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* position, not necessarily active. A note stops being top only
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* after dying or being tapped by player, even if it's already
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* past her perfect offset.
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*
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* Meanwhile active note is the note which is currently handling
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* player input for grade.
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*
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* An active note is always top note but a top note
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* is not always active note.
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* */
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};
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#endif // TIMELINE_H
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