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Replace ecs sparse component with default-constructed ones upon entity destruction

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This commit is contained in:
Nikita Lisitsa 2022-10-28 16:05:58 +03:00
parent 61885dde25
commit 9b18e664e8
1 changed files with 7 additions and 0 deletions
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7
libs/util/include/psemek/util/ecs.hpp
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@ -270,6 +270,7 @@ namespace psemek::util
void remove_entity(entity_handle h) override void remove_entity(entity_handle h) override
{ {
auto id = unpack(h).entity; auto id = unpack(h).entity;
remove_entity_impl(id, std::make_index_sequence<sizeof...(Components)>{});
list_[id] = list_head_; list_[id] = list_head_;
list_head_ = id; list_head_ = id;
destroyed_at_[id] = ++version_; destroyed_at_[id] = ++version_;
@ -334,6 +335,12 @@ namespace psemek::util
created_at_[id] = version_; created_at_[id] = version_;
return pack(this->id_, id, version_); return pack(this->id_, id, version_);
} }
template <std::size_t ... I>
void remove_entity_impl(entity_id id, std::index_sequence<I...>)
{
((std::get<I>(this->entity_components_)[id] = {}), ...);
}
}; };
template <typename ... Components> template <typename ... Components>