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entitylump: Fix behavior of append (#1836)

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This change ensures that the iterator values used by `std::distance`
is correct.  Having the emplace within leads to the possibility of
`m_Entities.begin()` being invalidated due to reallocations.
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nosoop 2022-09-20 07:24:08 -07:00 committed by GitHub
parent 568da23c96
commit 855ece1d3b
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1 changed files with 2 additions and 4 deletions
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6
core/logic/LumpManager.cpp
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@ -122,10 +122,8 @@ void EntityLumpManager::Insert(size_t index) {
} }
size_t EntityLumpManager::Append() { size_t EntityLumpManager::Append() {
return std::distance( auto it = m_Entities.emplace(m_Entities.end(), std::make_shared<EntityLumpEntry>());
m_Entities.begin(), return std::distance(m_Entities.begin(), it);
m_Entities.emplace(m_Entities.end(), std::make_shared<EntityLumpEntry>())
);
} }
size_t EntityLumpManager::Length() { size_t EntityLumpManager::Length() {