Misc/Util: Add a template function for returning a random element from any container

1 files changed, 1 insertions, 3 deletions

diff --git a/src/server/scripts/Outland/netherstorm.cpp b/src/server/scripts/Outland/netherstorm.cpp
index aacfb31965e..5843787b1be 100644
--- a/src/server/scripts/Outland/netherstorm.cpp
+++ b/src/server/scripts/Outland/netherstorm.cpp
@@ -817,9 +817,7 @@ public:
                 }
                 if (!UnitsWithMana.empty())
                 {
-                    std::list<Unit*>::const_iterator it = UnitsWithMana.begin();
-                    std::advance(it, rand() % UnitsWithMana.size());
-                    DoCast(*it, SPELL_MANA_BURN);
+                    DoCast(SelectRandomContainerElement(UnitsWithMana), SPELL_MANA_BURN);
                     ManaBurnTimer = 8000 + (rand() % 10 * 1000); // 8-18 sec cd
                 }
                 else