Fix setWaterLevel script instruction not affecting physics

apps/openmw/mwsound/soundmanagerimp.cpp

@@ -723,9 +723,9 @@ namespace MWSound
 
         MWWorld::Ptr player =
             MWBase::Environment::get().getWorld()->getPlayerPtr();
-        const ESM::Cell *cell = player.getCell()->getCell();
+        const MWWorld::CellStore *cell = player.getCell();
 
-        mListenerUnderwater = ((cell->mData.mFlags&cell->HasWater) && mListenerPos.z < cell->mWater);
+        mListenerUnderwater = ((cell->getCell()->mData.mFlags&ESM::Cell::HasWater) && mListenerPos.z < cell->getWaterLevel());
     }
 
     void SoundManager::updatePtr(const MWWorld::Ptr &old, const MWWorld::Ptr &updated)

apps/openmw/mwworld/physicssystem.cpp

@@ -862,9 +862,9 @@ namespace MWWorld
             for(;iter != mMovementQueue.end();++iter)
             {
                 float waterlevel = -std::numeric_limits<float>::max();
-                const ESM::Cell *cell = iter->first.getCell()->getCell();
-                if(cell->hasWater())
-                    waterlevel = cell->mWater;
+                const MWWorld::CellStore *cell = iter->first.getCell();
+                if(cell->getCell()->hasWater())
+                    waterlevel = cell->getWaterLevel();
 
                 float oldHeight = iter->first.getRefData().getPosition().pos[2];
 
@@ -872,7 +872,7 @@ namespace MWWorld
 
                 bool waterCollision = false;
                 if (effects.get(ESM::MagicEffect::WaterWalking).getMagnitude()
-                        && cell->hasWater()
+                        && cell->getCell()->hasWater()
                         && !world->isUnderwater(iter->first.getCell(),
                                                Ogre::Vector3(iter->first.getRefData().getPosition().pos)))
                     waterCollision = true;