Nothing to see here, move along.

Fine... it's flying cliff racers. But did you really want to know?

apps/openmw/mwclass/creature.cpp

@@ -413,6 +413,14 @@ namespace MWClass
         return MWWorld::Ptr(&cell.mCreatures.insert(*ref), &cell);
     }
 
+    bool Creature::isFlying(const MWWorld::Ptr &ptr) const
+    {
+        MWWorld::LiveCellRef<ESM::Creature> *ref =
+            ptr.get<ESM::Creature>();
+
+        return ref->mBase->mFlags & ESM::Creature::Flies;
+    }
+
     int Creature::getSndGenTypeFromName(const MWWorld::Ptr &ptr, const std::string &name)
     {
         if(name == "left")

apps/openmw/mwclass/creature.hpp

@@ -99,6 +99,8 @@ namespace MWClass
             isActor() const {
                 return true;
             }
+
+            virtual bool isFlying (const MWWorld::Ptr &ptr) const;
     };
 }
 

apps/openmw/mwworld/class.cpp

@@ -372,4 +372,10 @@ namespace MWWorld
 
         return newPtr;
     }
+
+    bool Class::isFlying(const Ptr &ptr) const
+    {
+        return false;
+    }
+
 }

apps/openmw/mwworld/class.hpp

@@ -306,6 +306,8 @@ namespace MWWorld
                 return false;
             }
 
+            virtual bool isFlying(const MWWorld::Ptr& ptr) const;
+
             static const Class& get (const std::string& key);
             ///< If there is no class for this \a key, an exception is thrown.
 

apps/openmw/mwworld/worldimp.cpp

@@ -1605,13 +1605,17 @@ namespace MWWorld
         if(!ptr.getClass().isActor())
             return false;
 
+        if (ptr.getClass().getCreatureStats(ptr).isDead())
+            return false;
+
+        if (ptr.getClass().isFlying(ptr))
+            return true;
+
         const MWMechanics::CreatureStats &stats = ptr.getClass().getCreatureStats(ptr);
         if(stats.getMagicEffects().get(ESM::MagicEffect::Levitate).mMagnitude > 0
                 && isLevitationEnabled())
             return true;
 
-        // TODO: Check if flying creature
-
         const OEngine::Physic::PhysicActor *actor = mPhysEngine->getCharacter(ptr.getRefData().getHandle());
         if(!actor || !actor->getCollisionMode())
             return true;