Core/Grids: Modernize TypeContainer with variadic template

1 files changed, 34 insertions, 2 deletions

diff --git a/src/server/game/Maps/Map.h b/src/server/game/Maps/Map.h
index 50ab8cf9120..b48ca28146e 100644
--- a/src/server/game/Maps/Map.h
+++ b/src/server/game/Maps/Map.h
@@ -183,8 +183,40 @@ inline bool CompareRespawnInfo::operator()(RespawnInfo const* a, RespawnInfo con
     return a->type < b->type;
 }
 
-extern template class TypeUnorderedMapContainer<AllMapStoredObjectTypes, ObjectGuid>;
-typedef TypeUnorderedMapContainer<AllMapStoredObjectTypes, ObjectGuid> MapStoredObjectTypesContainer;
+template <typename ObjectType>
+struct MapStoredObjectsUnorderedMap
+{
+    using Container = std::unordered_map<ObjectGuid, ObjectType*>;
+    using KeyType = ObjectGuid;
+    using ValueType = ObjectType*;
+
+    static bool Insert(Container& container, ValueType object)
+    {
+        auto [itr, isNew] = container.try_emplace(object->GetGUID(), object);
+        ASSERT(isNew || itr->second == object, "Object with certain key already in but objects are different!");
+        return true;
+    }
+
+    static bool Remove(Container& container, ValueType object)
+    {
+        container.erase(object->GetGUID());
+        return true;
+    }
+
+    static std::size_t Size(Container const& container)
+    {
+        return container.size();
+    }
+
+    static ValueType Find(Container const& container, KeyType const& key)
+    {
+        auto itr = container.find(key);
+        return itr != container.end() ? itr->second : nullptr;
+    }
+};
+
+extern template struct TypeListContainer<MapStoredObjectsUnorderedMap, Creature, GameObject, DynamicObject, Pet, Corpse, AreaTrigger, SceneObject, Conversation>;
+typedef TypeListContainer<MapStoredObjectsUnorderedMap, Creature, GameObject, DynamicObject, Pet, Corpse, AreaTrigger, SceneObject, Conversation> MapStoredObjectTypesContainer;
 
 class TC_GAME_API Map : public GridRefManager<NGridType>
 {