BlackMATov/ecs.hpp
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join process optimization

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This commit is contained in:
Matvey Cherevko
2018-12-27 14:46:11 +07:00
parent db62454eab
commit 58e0df89a7
2 changed files with 117 additions and 47 deletions
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162
ecs.hpp
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@@ -665,19 +665,43 @@ namespace ecs_hpp
template < typename T >
const T* find_component_impl_(const entity& ent) const noexcept;
template < typename... Ts, typename F >
void for_joined_components_impl_(F&& f);
template < typename T, typename... Ts, typename F, typename... Cs >
void for_joined_components_impl_(const entity& e, F&& f, Cs&&... cs);
template < typename F, typename... Cs >
void for_joined_components_impl_(const entity& e, F&& f, Cs&&... cs);
template < typename T, typename... Ts, typename F, std::size_t I, std::size_t... Is >
void for_joined_components_impl_(F&& f, std::index_sequence<I, Is...> iseq);
template < typename T, typename... Ts, typename F, std::size_t I, std::size_t... Is >
void for_joined_components_impl_(F&& f, std::index_sequence<I, Is...> iseq) const;
template < typename T
, typename... Ts
, typename F
, typename S
, typename... Ss
, typename... Cs >
void for_joined_components_impl_(
const entity& e,
const F& f,
detail::component_storage<S>* s,
detail::component_storage<Ss>*... ss,
Cs&... cs);
template < typename T
, typename... Ts
, typename F
, typename S
, typename... Ss
, typename... Cs >
void for_joined_components_impl_(
const entity& e,
const F& f,
const detail::component_storage<S>* s,
const detail::component_storage<Ss>*... ss,
const Cs&... cs) const;
template < typename... Ts, typename F >
void for_joined_components_impl_(F&& f) const;
template < typename T, typename... Ts, typename F, typename... Cs >
void for_joined_components_impl_(const entity& e, F&& f, Cs&&... cs) const;
template < typename F, typename... Cs >
void for_joined_components_impl_(const entity& e, F&& f, Cs&&... cs) const;
void for_joined_components_impl_(const entity& e, const F& f, Cs&... cs);
template < typename F, typename... Cs >
void for_joined_components_impl_(const entity& e, const F& f, const Cs&... cs) const;
private:
entity_id last_entity_id_{0u};
std::vector<entity_id> free_entity_ids_;
@@ -931,12 +955,16 @@ namespace ecs_hpp
template < typename... Ts, typename F >
void registry::for_joined_components(F&& f) {
for_joined_components_impl_<Ts...>(std::forward<F>(f));
for_joined_components_impl_<Ts...>(
std::forward<F>(f),
std::make_index_sequence<sizeof...(Ts)>());
}
template < typename... Ts, typename F >
void registry::for_joined_components(F&& f) const {
for_joined_components_impl_<Ts...>(std::forward<F>(f));
for_joined_components_impl_<Ts...>(
std::forward<F>(f),
std::make_index_sequence<sizeof...(Ts)>());
}
template < typename T, typename... Args >
@@ -1016,51 +1044,93 @@ namespace ecs_hpp
: nullptr;
}
template < typename... Ts, typename F >
void registry::for_joined_components_impl_(F&& f) {
for ( const auto id : entity_ids_ ) {
for_joined_components_impl_<Ts...>(entity(*this, id), std::forward<F>(f));
}
template < typename T, typename... Ts, typename F, std::size_t I, std::size_t... Is >
void registry::for_joined_components_impl_(F&& f, std::index_sequence<I, Is...> iseq) {
(void)iseq;
for_each_component<T>([
this,
f = std::forward<F>(f),
storages = std::make_tuple(find_storage_<Ts>()...)
](const entity& e, T& t) mutable {
for_joined_components_impl_<Ts...>(
e,
f,
std::get<Is - 1>(storages)...,
t);
});
}
template < typename T, typename... Ts, typename F, typename... Cs >
void registry::for_joined_components_impl_(const entity& e, F&& f, Cs&&... cs) {
T* c = find_component_impl_<T>(e);
template < typename T, typename... Ts, typename F, std::size_t I, std::size_t... Is >
void registry::for_joined_components_impl_(F&& f, std::index_sequence<I, Is...> iseq) const {
(void)iseq;
for_each_component<T>([
this,
f = std::forward<F>(f),
storages = std::make_tuple(find_storage_<Ts>()...)
](const entity& e, const T& t) mutable {
for_joined_components_impl_<Ts...>(
e,
f,
std::get<Is - 1>(storages)...,
t);
});
}
template < typename T
, typename... Ts
, typename F
, typename S
, typename... Ss
, typename... Cs >
void registry::for_joined_components_impl_(
const entity& e,
const F& f,
detail::component_storage<S>* s,
detail::component_storage<Ss>*... ss,
Cs&... cs)
{
T* c = s->find(e.id());
if ( c ) {
for_joined_components_impl_<Ts...>(
e,
std::forward<F>(f),
std::forward<Cs>(cs)...,
f,
std::forward<Ss>(ss)...,
cs...,
*c);
}
}
template < typename T
, typename... Ts
, typename F
, typename S
, typename... Ss
, typename... Cs >
void registry::for_joined_components_impl_(
const entity& e,
const F& f,
const detail::component_storage<S>* s,
const detail::component_storage<Ss>*... ss,
const Cs&... cs) const
{
const T* c = s->find(e.id());
if ( c ) {
for_joined_components_impl_<Ts...>(
e,
f,
std::forward<Ss>(ss)...,
cs...,
*c);
}
}
template < typename F, typename... Cs >
void registry::for_joined_components_impl_(const entity& e, F&& f, Cs&&... cs) {
f(e, std::forward<Cs>(cs)...);
}
template < typename... Ts, typename F >
void registry::for_joined_components_impl_(F&& f) const {
for ( const auto id : entity_ids_ ) {
for_joined_components_impl_<Ts...>(entity(const_cast<registry&>(*this), id), std::forward<F>(f));
}
}
template < typename T, typename... Ts, typename F, typename... Cs >
void registry::for_joined_components_impl_(const entity& e, F&& f, Cs&&... cs) const {
const T* c = find_component_impl_<T>(e);
if ( c ) {
for_joined_components_impl_<Ts...>(
e,
std::forward<F>(f),
std::forward<Cs>(cs)...,
*c);
}
void registry::for_joined_components_impl_(const entity& e, const F& f, Cs&... cs) {
f(e, cs...);
}
template < typename F, typename... Cs >
void registry::for_joined_components_impl_(const entity& e, F&& f, Cs&&... cs) const {
f(e, std::forward<Cs>(cs)...);
void registry::for_joined_components_impl_(const entity& e, const F& f, const Cs&... cs) const {
f(e, cs...);
}
}

2
ecs_tests.cpp
View File

@@ -530,7 +530,7 @@ TEST_CASE("registry") {
public:
void process(ecs::registry& owner) override {
owner.for_joined_components<position_c, velocity_c>([](
ecs::entity e, position_c& p, const velocity_c& v)
ecs::entity, position_c& p, const velocity_c& v)
{
p.x += v.x;
p.y += v.y;