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Support searching ecs species by name

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This commit is contained in:
Nikita Lisitsa 2022-11-09 23:06:25 +03:00
parent b00a74f431
commit 2d59777d60
1 changed files with 13 additions and 0 deletions
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13
libs/util/include/psemek/util/ecs.hpp
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@ -4,6 +4,7 @@
#include <psemek/util/type_name.hpp>
#include <psemek/util/function.hpp>
#include <psemek/util/range.hpp>
#include <psemek/util/hash.hpp>
#include <cstdint>
#include <typeindex>
@ -13,6 +14,7 @@
#include <string>
#include <string_view>
#include <functional>
#include <optional>
#include <experimental/type_traits>
@ -622,6 +624,8 @@ namespace psemek::util
std::string_view species_name(species_handle species) const { return species_[species.value]->name(); }
std::optional<species_handle> find_species_by_name(std::string_view const & name) const;
static species_handle entity_species(entity_handle entity) { return {ecs_detail::unpack(entity.value).species}; }
template <typename ... Components>
@ -704,6 +708,7 @@ namespace psemek::util
private:
std::vector<std::unique_ptr<ecs_detail::species_base>> species_;
std::unordered_map<std::string, ecs_detail::species_handle, util::any_hash, std::equal_to<>> species_by_name_;
std::unordered_map<std::type_index, std::vector<util::function<void(void const *)>>> event_subscribers_;
@ -720,6 +725,7 @@ namespace psemek::util
ecs::species_handle ecs::register_species(std::string name, policy p, Components && ... components)
{
species_handle result{species_.size()};
species_by_name_[name] = result.value;
if (p == policy::sparse)
species_.push_back(std::make_unique<ecs_detail::sparse_species_impl<std::remove_cvref_t<Components>...>>(this, std::move(name), result.value, std::forward<Components>(components)...));
else
@ -729,6 +735,13 @@ namespace psemek::util
return result;
}
inline std::optional<ecs::species_handle> ecs::find_species_by_name(std::string_view const & name) const
{
if (auto it = species_by_name_.find(name); it != species_by_name_.end())
return species_handle{it->second};
return std::nullopt;
}
template <typename ... Components>
inline ecs::entity_handle ecs::add_entity(species_handle species, typename Components::data ... components)
{