resolve issue of meshes that cross boundaries; should only be calculating the maxBound, not the minBound of y; also fix it in groundcover as it was copied blindly over;

apps/openmw/mwrender/groundcover.cpp

@@ -172,7 +172,7 @@ namespace MWRender
         osg::Vec3f pos = ref.mPos.asVec3();
         osg::Vec3f cellPos = pos / ESM::Land::REAL_SIZE;
         if ((minBound.x() > std::floor(minBound.x()) && cellPos.x() < minBound.x()) || (minBound.y() > std::floor(minBound.y()) && cellPos.y() < minBound.y())
-            || (maxBound.x() < std::ceil(maxBound.x()) && cellPos.x() >= maxBound.x()) || (minBound.y() < std::ceil(maxBound.y()) && cellPos.y() >= maxBound.y()))
+            || (maxBound.x() < std::ceil(maxBound.x()) && cellPos.x() >= maxBound.x()) || (maxBound.y() < std::ceil(maxBound.y()) && cellPos.y() >= maxBound.y()))
             return false;
 
         return true;

apps/openmw/mwrender/objectpaging.cpp

@@ -507,7 +507,7 @@ namespace MWRender
             {
                 osg::Vec3f cellPos = pos / ESM::Land::REAL_SIZE;
                 if ((minBound.x() > std::floor(minBound.x()) && cellPos.x() < minBound.x()) || (minBound.y() > std::floor(minBound.y()) && cellPos.y() < minBound.y())
-                 || (maxBound.x() < std::ceil(maxBound.x()) && cellPos.x() >= maxBound.x()) || (minBound.y() < std::ceil(maxBound.y()) && cellPos.y() >= maxBound.y()))
+                 || (maxBound.x() < std::ceil(maxBound.x()) && cellPos.x() >= maxBound.x()) || (maxBound.y() < std::ceil(maxBound.y()) && cellPos.y() >= maxBound.y()))
                     continue;
             }