Core/Grids: Modernize TypeContainer with variadic template

(cherry picked from commit 401502ea3c5ceca0c6253910035b2949e13746cc)

1 files changed, 18 insertions, 48 deletions

diff --git a/src/server/game/Maps/Map.cpp b/src/server/game/Maps/Map.cpp
index a59394a6cae..34c7f17ab37 100644
--- a/src/server/game/Maps/Map.cpp
+++ b/src/server/game/Maps/Map.cpp
@@ -180,52 +180,21 @@ template<class T>
 void Map::AddToGrid(T* obj, Cell const& cell)
 {
     NGridType* grid = getNGrid(cell.GridX(), cell.GridY());
-    if (obj->IsStoredInWorldObjectGridContainer())
-        grid->GetGridType(cell.CellX(), cell.CellY()).template AddWorldObject<T>(obj);
-    else
-        grid->GetGridType(cell.CellX(), cell.CellY()).template AddGridObject<T>(obj);
-}
-
-template<>
-void Map::AddToGrid(Creature* obj, Cell const& cell)
-{
-    NGridType* grid = getNGrid(cell.GridX(), cell.GridY());
-    if (obj->IsStoredInWorldObjectGridContainer())
-        grid->GetGridType(cell.CellX(), cell.CellY()).AddWorldObject(obj);
-    else
-        grid->GetGridType(cell.CellX(), cell.CellY()).AddGridObject(obj);
-
-    obj->SetCurrentCell(cell);
-}
-
-template<>
-void Map::AddToGrid(GameObject* obj, Cell const& cell)
-{
-    NGridType* grid = getNGrid(cell.GridX(), cell.GridY());
-    grid->GetGridType(cell.CellX(), cell.CellY()).AddGridObject(obj);
-
-    obj->SetCurrentCell(cell);
-}
-
-template<>
-void Map::AddToGrid(DynamicObject* obj, Cell const& cell)
-{
-    NGridType* grid = getNGrid(cell.GridX(), cell.GridY());
-    if (obj->IsStoredInWorldObjectGridContainer())
-        grid->GetGridType(cell.CellX(), cell.CellY()).AddWorldObject(obj);
-    else
-        grid->GetGridType(cell.CellX(), cell.CellY()).AddGridObject(obj);
-
-    obj->SetCurrentCell(cell);
-}
-
-template<>
-void Map::AddToGrid(AreaTrigger* obj, Cell const& cell)
-{
-    NGridType* grid = getNGrid(cell.GridX(), cell.GridY());
-    grid->GetGridType(cell.CellX(), cell.CellY()).AddGridObject(obj);
+    if constexpr (WorldTypeMapContainer::TypeExists<T> && GridTypeMapContainer::TypeExists<T>)
+    {
+        NGridType::GridType& cellType = grid->GetGridType(cell.CellX(), cell.CellY());
+        if (obj->IsStoredInWorldObjectGridContainer())
+            cellType.AddWorldObject<T>(obj);
+        else
+            cellType.AddGridObject<T>(obj);
+    }
+    else if constexpr (WorldTypeMapContainer::TypeExists<T>)
+        grid->GetGridType(cell.CellX(), cell.CellY()).AddWorldObject<T>(obj);
+    else if constexpr (GridTypeMapContainer::TypeExists<T>)
+        grid->GetGridType(cell.CellX(), cell.CellY()).AddGridObject<T>(obj);
 
-    obj->SetCurrentCell(cell);
+    if constexpr (std::is_base_of_v<MapObject, T>)
+        obj->SetCurrentCell(cell);
 }
 
 template<>
@@ -240,10 +209,11 @@ void Map::AddToGrid(Corpse* obj, Cell const& cell)
     // to avoid failing an assertion in GridObject::AddToGrid
     if (grid->isGridObjectDataLoaded())
     {
+        NGridType::GridType& cellType = grid->GetGridType(cell.CellX(), cell.CellY());
         if (obj->IsStoredInWorldObjectGridContainer())
-            grid->GetGridType(cell.CellX(), cell.CellY()).AddWorldObject(obj);
+            cellType.AddWorldObject(obj);
         else
-            grid->GetGridType(cell.CellX(), cell.CellY()).AddGridObject(obj);
+            cellType.AddGridObject(obj);
     }
 }
 
@@ -4090,4 +4060,4 @@ std::string InstanceMap::GetDebugInfo() const
     return sstr.str();
 }
 
-template class TC_GAME_API TypeUnorderedMapContainer<AllMapStoredObjectTypes, ObjectGuid>;
+template struct TC_GAME_API TypeListContainer<MapStoredObjectsUnorderedMap, Creature, GameObject, DynamicObject, Pet, Corpse, AreaTrigger, SceneObject, Conversation>;