Add function World::isCellActive

apps/openmw/mwbase/world.hpp

@@ -129,6 +129,8 @@ namespace MWBase
 
             virtual MWWorld::CellStore *getCell (const ESM::CellId& id) = 0;
 
+            virtual bool isCellActive(MWWorld::CellStore* cell) const = 0;
+
             virtual void testExteriorCells() = 0;
             virtual void testInteriorCells() = 0;
 

apps/openmw/mwworld/worldimp.cpp

@@ -570,6 +570,11 @@ namespace MWWorld
             return getInterior (id.mWorldspace);
     }
 
+    bool World::isCellActive(CellStore* cell) const
+    {
+        return mWorldScene->getActiveCells().count(cell) > 0;
+    }
+
     void World::testExteriorCells()
     {
         mWorldScene->testExteriorCells();

apps/openmw/mwworld/worldimp.hpp

@@ -216,6 +216,8 @@ namespace MWWorld
 
             CellStore *getCell (const ESM::CellId& id) override;
 
+            bool isCellActive(CellStore* cell) const override;
+
             void testExteriorCells() override;
             void testInteriorCells() override;