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sparse_set: internal change (perf) - see #1311

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skypjack
2026-02-20 09:38:56 +01:00
parent 4321f5ece8
commit 011054e515
1 changed files with 4 additions and 16 deletions
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20
src/entt/entity/sparse_set.hpp
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@@ -294,23 +294,11 @@ protected:
/*! @brief Erases all entities of a sparse set. */
virtual void pop_all() {
switch(mode) {
case deletion_policy::in_place:
if(head != max_size) {
for(auto &&elem: packed) {
if(elem != tombstone) {
sparse_ref(elem) = null;
}
}
break;
// suboptimal with few entities, but exploits cache way more with many
for (auto&& elem : sparse) {
for (size_type pos{}; pos < traits_type::page_size; ++pos) {
elem[pos] = null;
}
[[fallthrough]];
case deletion_policy::swap_only:
case deletion_policy::swap_and_pop:
for(auto &&elem: packed) {
sparse_ref(elem) = null;
}
break;
}
head = policy_to_head();