From 1a86bab4d870996334400b31b207c122c35bcc32 Mon Sep 17 00:00:00 2001
From: Shauren <shauren.trinity@gmail.com>
Date: Fri, 4 Sep 2020 18:34:36 +0200
Subject: Core/Misc: Allow all kinds of non-map containers in grid searchers

(cherry picked from commit a02d36f18c5846fc4306cb602851744cb352fc57)
---
 src/server/game/Grids/Notifiers/GridNotifiers.h | 21 +++++++++++----------
 1 file changed, 11 insertions(+), 10 deletions(-)

(limited to 'src')

diff --git a/src/server/game/Grids/Notifiers/GridNotifiers.h b/src/server/game/Grids/Notifiers/GridNotifiers.h
index 2f75b5d7447..bff2785ca1f 100644
--- a/src/server/game/Grids/Notifiers/GridNotifiers.h
+++ b/src/server/game/Grids/Notifiers/GridNotifiers.h
@@ -221,26 +221,27 @@ namespace Trinity
 
     // Generic base class to insert elements into arbitrary containers using push_back
     template<typename Type>
-    class ContainerInserter {
+    class ContainerInserter
+    {
         using InserterType = void(*)(void*, Type&&);
 
         void* ref;
         InserterType inserter;
 
-        // MSVC workaround
+    protected:
         template<typename T>
-        static void InserterOf(void* ref, Type&& type)
+        ContainerInserter(T& ref_) : ref(&ref_)
         {
-            static_cast<T*>(ref)->push_back(std::move(type));
+            inserter = [](void* containerRaw, Type&& object)
+            {
+                T* container = reinterpret_cast<T*>(containerRaw);
+                container->insert(container->end(), std::move(object));
+            };
         }
 
-    protected:
-        template<typename T>
-        ContainerInserter(T& ref_) : ref(&ref_), inserter(&InserterOf<T>) { }
-
-        void Insert(Type type)
+        void Insert(Type object)
         {
-            inserter(ref, std::move(type));
+            inserter(ref, std::move(object));
         }
     };
 
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