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runtime_view: slightly optimized iterators

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This commit is contained in:
Michele Caini
2021-12-20 08:33:37 +01:00
parent 8e0747fd50
commit c05dddc56e
1 changed files with 5 additions and 2 deletions
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7
src/entt/entity/runtime_view.hpp
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@@ -23,7 +23,8 @@ namespace internal {
template<typename Type>
class runtime_view_iterator final {
[[nodiscard]] bool valid() const {
return std::all_of(pools->begin(), pools->end(), [entt = *it](const auto *curr) { return curr->contains(entt); })
return (!tombstone_check || *it != tombstone)
&& std::all_of(++pools->begin(), pools->end(), [entt = *it](const auto *curr) { return curr->contains(entt); })
&& std::none_of(filter->cbegin(), filter->cend(), [entt = *it](const auto *curr) { return curr && curr->contains(entt); });
}
@@ -40,7 +41,8 @@ public:
runtime_view_iterator(const std::vector<const Type *> &cpools, const std::vector<const Type *> &ignore, iterator_type curr) ENTT_NOEXCEPT
: pools{&cpools},
filter{&ignore},
it{curr} {
it{curr},
tombstone_check{pools->size() == 1u && (*pools)[0u]->policy() == deletion_policy::in_place} {
if(it != (*pools)[0]->end() && !valid()) {
++(*this);
}
@@ -86,6 +88,7 @@ private:
const std::vector<const Type *> *pools;
const std::vector<const Type *> *filter;
iterator_type it;
bool tombstone_check;
};
} // namespace internal