diff options
Diffstat (limited to 'engine/include/core/priority.hpp')
| -rw-r--r-- | engine/include/core/priority.hpp | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/engine/include/core/priority.hpp b/engine/include/core/priority.hpp index 773b2f7..1219d26 100644 --- a/engine/include/core/priority.hpp +++ b/engine/include/core/priority.hpp @@ -1,5 +1,6 @@ #pragma once +#include <memory> #include <set> namespace flat { @@ -32,8 +33,20 @@ namespace flat { return lhs.priority() < rhs.priority(); } - bool operator()(const prioritized * const& lhs, const prioritized * const& rhs) { - return lhs->priority() < rhs->priority(); + bool operator()(const std::weak_ptr<prioritized> lhs, const std::weak_ptr<prioritized>& rhs) { + if (auto l = lhs.lock()) { + if (auto r = rhs.lock()) { + // if both valid, check their priority + // in case they are the same, left is prioritized + return l->priority() < r->priority(); + } else { + // if right is expired, left is prioritized + return true; + } + } else { + // if left is expired, the right is prioritized + return false; + } } }; |