Fix camera not being attached properly when player becomes vampire (Fixes #2319)

apps/openmw/mwbase/world.hpp

@@ -453,6 +453,7 @@ namespace MWBase
 
             /// \todo Probably shouldn't be here
             virtual MWRender::Animation* getAnimation(const MWWorld::Ptr &ptr) = 0;
+            virtual void reattachPlayerCamera() = 0;
 
             /// \todo this does not belong here
             virtual void frameStarted (float dt, bool paused) = 0;

apps/openmw/mwrender/npcanimation.cpp

@@ -1020,6 +1020,9 @@ void NpcAnimation::setVampire(bool vampire)
         return;
     if ((mNpcType == Type_Vampire) != vampire)
     {
+        if (mPtr == MWBase::Environment::get().getWorld()->getPlayerPtr())
+            MWBase::Environment::get().getWorld()->reattachPlayerCamera();
+        else
             rebuild();
     }
 }

apps/openmw/mwworld/worldimp.cpp

@@ -2457,6 +2457,11 @@ namespace MWWorld
         return mLevitationEnabled;
     }
 
+    void World::reattachPlayerCamera()
+    {
+        mRendering->rebuildPtr(getPlayerPtr());
+    }
+
     void World::setWerewolf(const MWWorld::Ptr& actor, bool werewolf)
     {
         MWMechanics::NpcStats& npcStats = actor.getClass().getNpcStats(actor);

apps/openmw/mwworld/worldimp.hpp

@@ -537,6 +537,7 @@ namespace MWWorld
 
             /// \todo Probably shouldn't be here
             virtual MWRender::Animation* getAnimation(const MWWorld::Ptr &ptr);
+            virtual void reattachPlayerCamera();
 
             /// \todo this does not belong here
             virtual void frameStarted (float dt, bool paused);