forked from NaiJi/project-kyoku
61 lines
1.7 KiB
C++
61 lines
1.7 KiB
C++
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#include "classicgraphicsmanager.h"
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#include "graphics/classicsprite.h"
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ClassicGraphicsManager::ClassicGraphicsManager(Timeline<ClassicNote> &timeline, const microsec& visibility_offset) :
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_sprite_container({Type::UP, Type::DOWN,
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Type::LEFT, Type::RIGHT},
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std::make_unique<ClassicSpriteFactory>()),
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_timeline(&timeline),
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_visibility_offset(visibility_offset)
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{
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_timeline->expire(_first);
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_timeline->expire(_last);
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}
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void ClassicGraphicsManager::draw(sf::RenderTarget& target, sf::RenderStates states) const
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{
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if (nothingToDraw())
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return;
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std::for_each(_first, _last,
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[&target, &states](const auto& note)
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{
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target.draw(*note->sprite(), states);
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});
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}
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std::shared_ptr<ClassicSprite> ClassicGraphicsManager::getSprite(Type type)
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{
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return _sprite_container.getSprite(type);
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}
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void ClassicGraphicsManager::update(const microsec &offset)
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{
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Iterator note_iterator = _timeline->getTopNote();
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while (!_timeline->isExpired(note_iterator) && isVisiblyClose(note_iterator, offset))
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{
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if (nothingToDraw())
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_first = note_iterator;
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auto note = *note_iterator;
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if (!note->isInGame())
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note->putToGame(offset);
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++note_iterator;
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}
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_last = note_iterator;
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}
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bool ClassicGraphicsManager::nothingToDraw() const noexcept
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{
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return _timeline->isExpired(_first)
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|| _timeline->isExpired(_last);
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}
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bool ClassicGraphicsManager::isVisiblyClose(const Iterator& iterator, const microsec& music_offset) const noexcept
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{
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return ((iterator)->offset() - _visibility_offset) <= music_offset;
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}
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