Force walk animation when flying (Fixes #2015)

apps/openmw/mwmechanics/character.cpp

@@ -387,7 +387,8 @@ void CharacterController::refreshCurrentAnims(CharacterState idle, CharacterStat
         {
             float vel, speedmult = 1.0f;
 
-            bool isrunning = mPtr.getClass().getCreatureStats(mPtr).getStance(MWMechanics::CreatureStats::Stance_Run);
+            bool isrunning = mPtr.getClass().getCreatureStats(mPtr).getStance(MWMechanics::CreatureStats::Stance_Run)
+                    && !MWBase::Environment::get().getWorld()->isFlying(mPtr);
 
             // For non-flying creatures, MW uses the Walk animation to calculate the animation velocity
             // even if we are running. This must be replicated, otherwise the observed speed would differ drastically.
@@ -1269,9 +1270,10 @@ void CharacterController::update(float duration)
     {
         bool onground = world->isOnGround(mPtr);
         bool inwater = world->isSwimming(mPtr);
-        bool isrunning = cls.getCreatureStats(mPtr).getStance(MWMechanics::CreatureStats::Stance_Run);
         bool sneak = cls.getCreatureStats(mPtr).getStance(MWMechanics::CreatureStats::Stance_Sneak);
         bool flying = world->isFlying(mPtr);
+        // Can't run while flying (see speed formula in Npc/Creature::getSpeed)
+        bool isrunning = cls.getCreatureStats(mPtr).getStance(MWMechanics::CreatureStats::Stance_Run) && !flying;
         CreatureStats &stats = cls.getCreatureStats(mPtr);
 
         //Force Jump Logic