Preload player cell as soon as the player is read from the savegame

Giving the worker thread something to do while the rest of the savegame is parsed.

apps/openmw/mwworld/scene.hpp

@@ -82,14 +82,14 @@ namespace MWWorld
             void preloadExteriorGrid(const osg::Vec3f& playerPos, const osg::Vec3f& predictedPos);
             void preloadFastTravelDestinations(const osg::Vec3f& playerPos, const osg::Vec3f& predictedPos);
 
-            void preloadCell(MWWorld::CellStore* cell, bool preloadSurrounding=false);
-
         public:
 
             Scene (MWRender::RenderingManager& rendering, MWPhysics::PhysicsSystem *physics);
 
             ~Scene();
 
+            void preloadCell(MWWorld::CellStore* cell, bool preloadSurrounding=false);
+
             void unloadCell (CellStoreCollection::iterator iter);
 
             void loadCell (CellStore *cell, Loading::Listener* loadingListener, bool respawn);

apps/openmw/mwworld/worldimp.cpp

@@ -374,10 +374,13 @@ namespace MWWorld
                 reader.getHNT(mTeleportEnabled, "TELE");
                 reader.getHNT(mLevitationEnabled, "LEVT");
                 return;
+            case ESM::REC_PLAY:
+                mPlayer->readRecord(reader, type);
+                mWorldScene->preloadCell(getPlayerPtr().getCell(), true);
+                break;
             default:
                 if (!mStore.readRecord (reader, type) &&
                     !mGlobalVariables.readRecord (reader, type) &&
-                    !mPlayer->readRecord (reader, type) &&
                     !mWeatherManager->readRecord (reader, type) &&
                     !mCells.readRecord (reader, type, contentFileMap)
                      && !mProjectileManager->readRecord (reader, type)