diff --git a/AUTHORS.md b/AUTHORS.md
index 190a2f345..cb1872b37 100644
--- a/AUTHORS.md
+++ b/AUTHORS.md
@@ -90,6 +90,7 @@ Programmers
     Mark Siewert (mark76)
     Marco Melletti (mellotanica)
     Marco Schulze
+    MAtahualpa
     Mateusz Kołaczek (PL_kolek)
     Mateusz Malisz (malice)
     megaton
diff --git a/apps/esmtool/record.cpp b/apps/esmtool/record.cpp
index 2382612a4..3123308ef 100644
--- a/apps/esmtool/record.cpp
+++ b/apps/esmtool/record.cpp
@@ -494,7 +494,7 @@ void Record<ESM::Book>::print()
     std::cout << "  Weight: " << mData.mData.mWeight << std::endl;
     std::cout << "  Value: " << mData.mData.mValue << std::endl;
     std::cout << "  IsScroll: " << mData.mData.mIsScroll << std::endl;
-    std::cout << "  SkillID: " << mData.mData.mSkillID << std::endl;
+    std::cout << "  SkillId: " << mData.mData.mSkillId << std::endl;
     std::cout << "  Enchantment Points: " << mData.mData.mEnchant << std::endl;
     if (mPrintPlain)
     {
diff --git a/apps/essimporter/converter.hpp b/apps/essimporter/converter.hpp
index b05337aea..e4985f993 100644
--- a/apps/essimporter/converter.hpp
+++ b/apps/essimporter/converter.hpp
@@ -202,7 +202,7 @@ public:
         bool isDeleted = false;
 
         book.load(esm, isDeleted);
-        if (book.mData.mSkillID == -1)
+        if (book.mData.mSkillId == -1)
             mContext->mPlayer.mObject.mNpcStats.mUsedIds.push_back(Misc::StringUtils::lowerCase(book.mId));
 
         mRecords[book.mId] = book;
diff --git a/apps/opencs/model/world/refidadapterimp.cpp b/apps/opencs/model/world/refidadapterimp.cpp
index 086e95c34..0da4769a8 100644
--- a/apps/opencs/model/world/refidadapterimp.cpp
+++ b/apps/opencs/model/world/refidadapterimp.cpp
@@ -316,7 +316,7 @@ QVariant CSMWorld::BookRefIdAdapter::getData (const RefIdColumn *column,
         return record.get().mData.mIsScroll!=0;
 
     if (column==mSkill)
-        return record.get().mData.mSkillID;
+        return record.get().mData.mSkillId;
 
     if (column==mText)
         return QString::fromUtf8 (record.get().mText.c_str());
@@ -335,7 +335,7 @@ void CSMWorld::BookRefIdAdapter::setData (const RefIdColumn *column, RefIdData&
     if (column==mScroll)
         book.mData.mIsScroll = value.toInt();
     else if (column==mSkill)
-        book.mData.mSkillID = value.toInt();
+        book.mData.mSkillId = value.toInt();
     else if (column==mText)
         book.mText = value.toString().toUtf8().data();
     else
diff --git a/apps/opencs/model/world/refidcollection.cpp b/apps/opencs/model/world/refidcollection.cpp
index 74867d626..5674ba327 100644
--- a/apps/opencs/model/world/refidcollection.cpp
+++ b/apps/opencs/model/world/refidcollection.cpp
@@ -294,8 +294,8 @@ CSMWorld::RefIdCollection::RefIdCollection()
     mColumns.push_back (RefIdColumn (Columns::ColumnId_Scroll, ColumnBase::Display_Boolean));
     const RefIdColumn *scroll = &mColumns.back();
 
-    mColumns.push_back (RefIdColumn (Columns::ColumnId_Attribute, ColumnBase::Display_Attribute));
-    const RefIdColumn *attribute = &mColumns.back();
+    mColumns.push_back (RefIdColumn (Columns::ColumnId_Skill, ColumnBase::Display_SkillId));
+    const RefIdColumn *skill = &mColumns.back();
 
     mColumns.push_back (RefIdColumn (Columns::ColumnId_Text, ColumnBase::Display_LongString));
     const RefIdColumn *text = &mColumns.back();
@@ -659,7 +659,7 @@ CSMWorld::RefIdCollection::RefIdCollection()
     mAdapters.insert (std::make_pair (UniversalId::Type_Armor,
         new ArmorRefIdAdapter (enchantableColumns, armorType, health, armor, partRef)));
     mAdapters.insert (std::make_pair (UniversalId::Type_Book,
-        new BookRefIdAdapter (enchantableColumns, scroll, attribute, text)));
+        new BookRefIdAdapter (enchantableColumns, scroll, skill, text)));
     mAdapters.insert (std::make_pair (UniversalId::Type_Clothing,
         new ClothingRefIdAdapter (enchantableColumns, clothingType, partRef)));
     mAdapters.insert (std::make_pair (UniversalId::Type_Container,
diff --git a/apps/openmw/mwbase/world.hpp b/apps/openmw/mwbase/world.hpp
index 27f59f437..e21d7f480 100644
--- a/apps/openmw/mwbase/world.hpp
+++ b/apps/openmw/mwbase/world.hpp
@@ -255,7 +255,7 @@ namespace MWBase
             /// Returns a pointer to the object the provided object would hit (if within the
             /// specified distance), and the point where the hit occurs. This will attempt to
             /// use the "Head" node, or alternatively the "Bip01 Head" node as a basis.
-            virtual std::pair<MWWorld::Ptr,osg::Vec3f> getHitContact(const MWWorld::ConstPtr &ptr, float distance) = 0;
+            virtual std::pair<MWWorld::Ptr,osg::Vec3f> getHitContact(const MWWorld::ConstPtr &ptr, float distance, std::vector<MWWorld::Ptr> &targets) = 0;
 
             virtual void adjustPosition (const MWWorld::Ptr& ptr, bool force) = 0;
             ///< Adjust position after load to be on ground. Must be called after model load.
diff --git a/apps/openmw/mwclass/creature.cpp b/apps/openmw/mwclass/creature.cpp
index f5b62ca4a..0be61ef51 100644
--- a/apps/openmw/mwclass/creature.cpp
+++ b/apps/openmw/mwclass/creature.cpp
@@ -249,7 +249,12 @@ namespace MWClass
         if (!weapon.isEmpty())
             dist *= weapon.get<ESM::Weapon>()->mBase->mData.mReach;
 
-        std::pair<MWWorld::Ptr, osg::Vec3f> result = MWBase::Environment::get().getWorld()->getHitContact(ptr, dist);
+        // For AI actors, get combat targets to use in the ray cast. Only those targets will return a positive hit result.
+        std::vector<MWWorld::Ptr> targetActors;
+        if (!ptr.isEmpty() && ptr.getClass().isActor() && ptr != MWMechanics::getPlayer())
+            ptr.getClass().getCreatureStats(ptr).getAiSequence().getCombatTargets(targetActors);
+
+        std::pair<MWWorld::Ptr, osg::Vec3f> result = MWBase::Environment::get().getWorld()->getHitContact(ptr, dist, targetActors);
         if (result.first.isEmpty())
             return; // Didn't hit anything
 
diff --git a/apps/openmw/mwclass/npc.cpp b/apps/openmw/mwclass/npc.cpp
index 65e5298bf..83af2c8cc 100644
--- a/apps/openmw/mwclass/npc.cpp
+++ b/apps/openmw/mwclass/npc.cpp
@@ -574,8 +574,13 @@ namespace MWClass
                                         weapon.get<ESM::Weapon>()->mBase->mData.mReach :
                                         store.find("fHandToHandReach")->getFloat());
 
+        // For AI actors, get combat targets to use in the ray cast. Only those targets will return a positive hit result.
+        std::vector<MWWorld::Ptr> targetActors;
+        if (!ptr.isEmpty() && ptr.getClass().isActor() && ptr != MWMechanics::getPlayer())
+            ptr.getClass().getCreatureStats(ptr).getAiSequence().getCombatTargets(targetActors);
+
         // TODO: Use second to work out the hit angle
-        std::pair<MWWorld::Ptr, osg::Vec3f> result = world->getHitContact(ptr, dist);
+        std::pair<MWWorld::Ptr, osg::Vec3f> result = world->getHitContact(ptr, dist, targetActors);
         MWWorld::Ptr victim = result.first;
         osg::Vec3f hitPosition(result.second);
         if (victim.isEmpty()) // Didn't hit anything
diff --git a/apps/openmw/mwmechanics/aisequence.cpp b/apps/openmw/mwmechanics/aisequence.cpp
index 520bacf5a..84c8eca49 100644
--- a/apps/openmw/mwmechanics/aisequence.cpp
+++ b/apps/openmw/mwmechanics/aisequence.cpp
@@ -75,6 +75,17 @@ bool AiSequence::getCombatTarget(MWWorld::Ptr &targetActor) const
     return !targetActor.isEmpty();
 }
 
+bool AiSequence::getCombatTargets(std::vector<MWWorld::Ptr> &targetActors) const
+{
+    for (std::list<AiPackage*>::const_iterator it = mPackages.begin(); it != mPackages.end(); ++it)
+    {
+        if ((*it)->getTypeId() == MWMechanics::AiPackage::TypeIdCombat)
+            targetActors.push_back((*it)->getTarget());
+    }
+
+    return !targetActors.empty();
+}
+
 std::list<AiPackage*>::const_iterator AiSequence::begin() const
 {
     return mPackages.begin();
diff --git a/apps/openmw/mwmechanics/aisequence.hpp b/apps/openmw/mwmechanics/aisequence.hpp
index c7c32979e..4f8b542a4 100644
--- a/apps/openmw/mwmechanics/aisequence.hpp
+++ b/apps/openmw/mwmechanics/aisequence.hpp
@@ -79,6 +79,9 @@ namespace MWMechanics
             /// Return true and assign target if combat package is currently active, return false otherwise
             bool getCombatTarget (MWWorld::Ptr &targetActor) const;
 
+            /// Return true and assign targets for all combat packages, or return false if there are no combat packages
+            bool getCombatTargets(std::vector<MWWorld::Ptr> &targetActors) const;
+
             /// Is there any combat package?
             bool isInCombat () const;
 
diff --git a/apps/openmw/mwmechanics/objects.cpp b/apps/openmw/mwmechanics/objects.cpp
index a15b4cba4..139825c21 100644
--- a/apps/openmw/mwmechanics/objects.cpp
+++ b/apps/openmw/mwmechanics/objects.cpp
@@ -29,8 +29,7 @@ void Objects::addObject(const MWWorld::Ptr& ptr)
     removeObject(ptr);
 
     MWRender::Animation *anim = MWBase::Environment::get().getWorld()->getAnimation(ptr);
-    if (anim && anim->hasAnimSources())
-        mObjects.insert(std::make_pair(ptr, new CharacterController(ptr, anim)));
+    if(anim) mObjects.insert(std::make_pair(ptr, new CharacterController(ptr, anim)));
 }
 
 void Objects::removeObject(const MWWorld::Ptr& ptr)
diff --git a/apps/openmw/mwmechanics/spellcasting.cpp b/apps/openmw/mwmechanics/spellcasting.cpp
index 796719448..8fa850019 100644
--- a/apps/openmw/mwmechanics/spellcasting.cpp
+++ b/apps/openmw/mwmechanics/spellcasting.cpp
@@ -417,10 +417,6 @@ namespace MWMechanics
             float magnitudeMult = 1;
             if (magicEffect->mData.mFlags & ESM::MagicEffect::Harmful && target.getClass().isActor())
             {
-                // Notify the target actor they've been hit
-                if (target != caster && !caster.isEmpty())
-                    target.getClass().onHit(target, 0.0f, true, MWWorld::Ptr(), caster, osg::Vec3f(), true);
-
                 if (absorbed)
                     continue;
 
@@ -453,6 +449,10 @@ namespace MWMechanics
                 // If player is attempting to cast a harmful spell, show the target's HP bar
                 if (castByPlayer && target != caster)
                     MWBase::Environment::get().getWindowManager()->setEnemy(target);
+
+                // Notify the target actor they've been hit
+                if (target != caster && !caster.isEmpty())
+                    target.getClass().onHit(target, 0.0f, true, MWWorld::Ptr(), caster, osg::Vec3f(), true);
             }
 
             if (magnitudeMult > 0 && !absorbed)
diff --git a/apps/openmw/mwphysics/physicssystem.cpp b/apps/openmw/mwphysics/physicssystem.cpp
index c043c861e..de8774cfd 100644
--- a/apps/openmw/mwphysics/physicssystem.cpp
+++ b/apps/openmw/mwphysics/physicssystem.cpp
@@ -798,6 +798,7 @@ namespace MWPhysics
     class DeepestNotMeContactTestResultCallback : public btCollisionWorld::ContactResultCallback
     {
         const btCollisionObject* mMe;
+        const std::vector<const btCollisionObject*> mTargets;
 
         // Store the real origin, since the shape's origin is its center
         btVector3 mOrigin;
@@ -807,8 +808,8 @@ namespace MWPhysics
         btVector3 mContactPoint;
         btScalar mLeastDistSqr;
 
-        DeepestNotMeContactTestResultCallback(const btCollisionObject* me, const btVector3 &origin)
-          : mMe(me), mOrigin(origin), mObject(NULL), mContactPoint(0,0,0),
+        DeepestNotMeContactTestResultCallback(const btCollisionObject* me, const std::vector<const btCollisionObject*> targets, const btVector3 &origin)
+          : mMe(me), mTargets(targets), mOrigin(origin), mObject(NULL), mContactPoint(0,0,0),
             mLeastDistSqr(std::numeric_limits<float>::max())
         { }
 
@@ -819,6 +820,16 @@ namespace MWPhysics
             const btCollisionObject* collisionObject = col1Wrap->m_collisionObject;
             if (collisionObject != mMe)
             {
+                if (!mTargets.empty())
+                {
+                    if ((std::find(mTargets.begin(), mTargets.end(), collisionObject) == mTargets.end()))
+                    {
+                        PtrHolder* holder = static_cast<PtrHolder*>(collisionObject->getUserPointer());
+                        if (holder && !holder->getPtr().isEmpty() && holder->getPtr().getClass().isActor())
+                            return 0.f;
+                    }
+                }
+
                 btScalar distsqr = mOrigin.distance2(cp.getPositionWorldOnA());
                 if(!mObject || distsqr < mLeastDistSqr)
                 {
@@ -835,7 +846,7 @@ namespace MWPhysics
     std::pair<MWWorld::Ptr, osg::Vec3f> PhysicsSystem::getHitContact(const MWWorld::ConstPtr& actor,
                                                                      const osg::Vec3f &origin,
                                                                      const osg::Quat &orient,
-                                                                      float queryDistance)
+                                                                     float queryDistance, std::vector<MWWorld::Ptr> targets)
     {
         const MWWorld::Store<ESM::GameSetting> &store = MWBase::Environment::get().getWorld()->getStore().get<ESM::GameSetting>();
 
@@ -852,11 +863,23 @@ namespace MWPhysics
         object.setWorldTransform(btTransform(toBullet(orient), toBullet(center)));
 
         const btCollisionObject* me = NULL;
+        std::vector<const btCollisionObject*> targetCollisionObjects;
+
         const Actor* physactor = getActor(actor);
         if (physactor)
             me = physactor->getCollisionObject();
 
-        DeepestNotMeContactTestResultCallback resultCallback(me, toBullet(origin));
+        if (!targets.empty())
+        {
+            for (std::vector<MWWorld::Ptr>::const_iterator it = targets.begin(); it != targets.end(); ++it)
+            {
+                const Actor* physactor2 = getActor(*it);
+                if (physactor2)
+                    targetCollisionObjects.push_back(physactor2->getCollisionObject());
+            }
+        }
+
+        DeepestNotMeContactTestResultCallback resultCallback(me, targetCollisionObjects, toBullet(origin));
         resultCallback.m_collisionFilterGroup = CollisionType_Actor;
         resultCallback.m_collisionFilterMask = CollisionType_World | CollisionType_Door | CollisionType_HeightMap | CollisionType_Actor;
         mCollisionWorld->contactTest(&object, resultCallback);
@@ -903,28 +926,40 @@ namespace MWPhysics
     class ClosestNotMeRayResultCallback : public btCollisionWorld::ClosestRayResultCallback
     {
     public:
-        ClosestNotMeRayResultCallback(const btCollisionObject* me, const btVector3& from, const btVector3& to)
+        ClosestNotMeRayResultCallback(const btCollisionObject* me, const std::vector<const btCollisionObject*> targets, const btVector3& from, const btVector3& to)
             : btCollisionWorld::ClosestRayResultCallback(from, to)
-            , mMe(me)
+            , mMe(me), mTargets(targets)
         {
         }
 
-        virtual btScalar addSingleResult(btCollisionWorld::LocalRayResult& rayResult,bool normalInWorldSpace)
+        virtual btScalar addSingleResult(btCollisionWorld::LocalRayResult& rayResult, bool normalInWorldSpace)
         {
             if (rayResult.m_collisionObject == mMe)
                 return 1.f;
+            if (!mTargets.empty())
+            {
+                if ((std::find(mTargets.begin(), mTargets.end(), rayResult.m_collisionObject) == mTargets.end()))
+                {
+                    PtrHolder* holder = static_cast<PtrHolder*>(rayResult.m_collisionObject->getUserPointer());
+                    if (holder && !holder->getPtr().isEmpty() && holder->getPtr().getClass().isActor())
+                        return 1.f;
+                }
+            }
             return btCollisionWorld::ClosestRayResultCallback::addSingleResult(rayResult, normalInWorldSpace);
         }
     private:
         const btCollisionObject* mMe;
+        const std::vector<const btCollisionObject*> mTargets;
     };
 
-    PhysicsSystem::RayResult PhysicsSystem::castRay(const osg::Vec3f &from, const osg::Vec3f &to, MWWorld::ConstPtr ignore, int mask, int group) const
+    PhysicsSystem::RayResult PhysicsSystem::castRay(const osg::Vec3f &from, const osg::Vec3f &to, MWWorld::ConstPtr ignore, std::vector<MWWorld::Ptr> targets, int mask, int group) const
     {
         btVector3 btFrom = toBullet(from);
         btVector3 btTo = toBullet(to);
 
         const btCollisionObject* me = NULL;
+        std::vector<const btCollisionObject*> targetCollisionObjects;
+
         if (!ignore.isEmpty())
         {
             const Actor* actor = getActor(ignore);
@@ -938,7 +973,17 @@ namespace MWPhysics
             }
         }
 
-        ClosestNotMeRayResultCallback resultCallback(me, btFrom, btTo);
+        if (!targets.empty())
+        {
+            for (std::vector<MWWorld::Ptr>::const_iterator it = targets.begin(); it != targets.end(); ++it)
+            {
+                const Actor* actor = getActor(*it);
+                if (actor)
+                    targetCollisionObjects.push_back(actor->getCollisionObject());
+            }
+        }
+
+        ClosestNotMeRayResultCallback resultCallback(me, targetCollisionObjects, btFrom, btTo);
         resultCallback.m_collisionFilterGroup = group;
         resultCallback.m_collisionFilterMask = mask;
 
@@ -991,7 +1036,7 @@ namespace MWPhysics
         osg::Vec3f pos1 (physactor1->getCollisionObjectPosition() + osg::Vec3f(0,0,physactor1->getHalfExtents().z() * 0.9)); // eye level
         osg::Vec3f pos2 (physactor2->getCollisionObjectPosition() + osg::Vec3f(0,0,physactor2->getHalfExtents().z() * 0.9));
 
-        RayResult result = castRay(pos1, pos2, MWWorld::Ptr(), CollisionType_World|CollisionType_HeightMap|CollisionType_Door);
+        RayResult result = castRay(pos1, pos2, MWWorld::ConstPtr(), std::vector<MWWorld::Ptr>(), CollisionType_World|CollisionType_HeightMap|CollisionType_Door);
 
         return !result.mHit;
     }
diff --git a/apps/openmw/mwphysics/physicssystem.hpp b/apps/openmw/mwphysics/physicssystem.hpp
index ec12f7681..9730cda74 100644
--- a/apps/openmw/mwphysics/physicssystem.hpp
+++ b/apps/openmw/mwphysics/physicssystem.hpp
@@ -95,7 +95,7 @@ namespace MWPhysics
             std::pair<MWWorld::Ptr, osg::Vec3f> getHitContact(const MWWorld::ConstPtr& actor,
                                                                const osg::Vec3f &origin,
                                                                const osg::Quat &orientation,
-                                                               float queryDistance);
+                                                               float queryDistance, std::vector<MWWorld::Ptr> targets = std::vector<MWWorld::Ptr>());
 
 
             /// Get distance from \a point to the collision shape of \a target. Uses a raycast to find where the
@@ -112,9 +112,10 @@ namespace MWPhysics
                 MWWorld::Ptr mHitObject;
             };
 
-            /// @param me Optional, a Ptr to ignore in the list of results
-            RayResult castRay(const osg::Vec3f &from, const osg::Vec3f &to, MWWorld::ConstPtr ignore = MWWorld::ConstPtr(), int mask =
-                    CollisionType_World|CollisionType_HeightMap|CollisionType_Actor|CollisionType_Door, int group=0xff) const;
+            /// @param me Optional, a Ptr to ignore in the list of results. targets are actors to filter for, ignoring all other actors.
+            RayResult castRay(const osg::Vec3f &from, const osg::Vec3f &to, MWWorld::ConstPtr ignore = MWWorld::ConstPtr(),
+                    std::vector<MWWorld::Ptr> targets = std::vector<MWWorld::Ptr>(),
+                    int mask = CollisionType_World|CollisionType_HeightMap|CollisionType_Actor|CollisionType_Door, int group=0xff) const;
 
             RayResult castSphere(const osg::Vec3f& from, const osg::Vec3f& to, float radius);
 
diff --git a/apps/openmw/mwrender/animation.cpp b/apps/openmw/mwrender/animation.cpp
index 0865850e2..ec28d4295 100644
--- a/apps/openmw/mwrender/animation.cpp
+++ b/apps/openmw/mwrender/animation.cpp
@@ -565,11 +565,6 @@ namespace MWRender
         }
     }
 
-    bool Animation::hasAnimSources() const
-    {
-        return !mAnimSources.empty();
-    }
-
     void Animation::clearAnimSources()
     {
         mStates.clear();
diff --git a/apps/openmw/mwrender/animation.hpp b/apps/openmw/mwrender/animation.hpp
index 2ea369ea7..f765a7a40 100644
--- a/apps/openmw/mwrender/animation.hpp
+++ b/apps/openmw/mwrender/animation.hpp
@@ -341,8 +341,6 @@ public:
     Animation(const MWWorld::Ptr &ptr, osg::ref_ptr<osg::Group> parentNode, Resource::ResourceSystem* resourceSystem);
     virtual ~Animation();
 
-    bool hasAnimSources() const;
-
     MWWorld::ConstPtr getPtr() const;
 
     /// Set active flag on the object skeleton, if one exists.
diff --git a/apps/openmw/mwworld/actionread.cpp b/apps/openmw/mwworld/actionread.cpp
index 90e9a375b..b3ac772ae 100644
--- a/apps/openmw/mwworld/actionread.cpp
+++ b/apps/openmw/mwworld/actionread.cpp
@@ -44,7 +44,7 @@ namespace MWWorld
         MWMechanics::NpcStats& npcStats = actor.getClass().getNpcStats (actor);
 
         // Skill gain from books
-        if (ref->mBase->mData.mSkillID >= 0 && ref->mBase->mData.mSkillID < ESM::Skill::Length
+        if (ref->mBase->mData.mSkillId >= 0 && ref->mBase->mData.mSkillId < ESM::Skill::Length
                 && !npcStats.hasBeenUsed (ref->mBase->mId))
         {
             MWWorld::LiveCellRef<ESM::NPC> *playerRef = actor.get<ESM::NPC>();
@@ -54,7 +54,7 @@ namespace MWWorld
                     playerRef->mBase->mClass
                 );
 
-            npcStats.increaseSkill (ref->mBase->mData.mSkillID, *class_, true);
+            npcStats.increaseSkill (ref->mBase->mData.mSkillId, *class_, true);
 
             npcStats.flagAsUsed (ref->mBase->mId);
         }
diff --git a/apps/openmw/mwworld/projectilemanager.cpp b/apps/openmw/mwworld/projectilemanager.cpp
index 3f0c0e54e..5afdce700 100644
--- a/apps/openmw/mwworld/projectilemanager.cpp
+++ b/apps/openmw/mwworld/projectilemanager.cpp
@@ -6,8 +6,10 @@
 
 #include <components/esm/esmwriter.hpp>
 #include <components/esm/projectilestate.hpp>
+
 #include <components/resource/resourcesystem.hpp>
 #include <components/resource/scenemanager.hpp>
+
 #include <components/sceneutil/controller.hpp>
 #include <components/sceneutil/visitor.hpp>
 #include <components/sceneutil/lightmanager.hpp>
@@ -25,6 +27,7 @@
 #include "../mwmechanics/creaturestats.hpp"
 #include "../mwmechanics/spellcasting.hpp"
 #include "../mwmechanics/actorutil.hpp"
+#include "../mwmechanics/aipackage.hpp"
 
 #include "../mwrender/effectmanager.hpp"
 #include "../mwrender/animation.hpp"
@@ -49,8 +52,8 @@ namespace
             const ESM::MagicEffect *magicEffect = MWBase::Environment::get().getWorld()->getStore().get<ESM::MagicEffect>().find (
                 iter->mEffectID);
 
-            // All the projectiles should use the same speed. From observations in the
-            // original engine, this seems to be the average of the constituent effects.
+            // Speed of multi-effect projectiles should be the average of the constituent effects,
+            // based on observation of the original engine.
             speed += magicEffect->mData.mSpeed;
             count++;
 
@@ -337,9 +340,14 @@ namespace MWWorld
 
             MWWorld::Ptr caster = it->getCaster();
 
+            // For AI actors, get combat targets to use in the ray cast. Only those targets will return a positive hit result.
+            std::vector<MWWorld::Ptr> targetActors;
+            if (!caster.isEmpty() && caster.getClass().isActor() && caster != MWMechanics::getPlayer())
+                caster.getClass().getCreatureStats(caster).getAiSequence().getCombatTargets(targetActors);
+
             // Check for impact
             // TODO: use a proper btRigidBody / btGhostObject?
-            MWPhysics::PhysicsSystem::RayResult result = mPhysics->castRay(pos, newPos, caster, 0xff, MWPhysics::CollisionType_Projectile);
+            MWPhysics::PhysicsSystem::RayResult result = mPhysics->castRay(pos, newPos, caster, targetActors, 0xff, MWPhysics::CollisionType_Projectile);
 
             bool hit = false;
             if (result.mHit)
@@ -404,11 +412,17 @@ namespace MWWorld
 
             MWWorld::Ptr caster = it->getCaster();
 
+            // For AI actors, get combat targets to use in the ray cast. Only those targets will return a positive hit result.
+            std::vector<MWWorld::Ptr> targetActors;
+            if (!caster.isEmpty() && caster.getClass().isActor() && caster != MWMechanics::getPlayer())
+                caster.getClass().getCreatureStats(caster).getAiSequence().getCombatTargets(targetActors);
+
             // Check for impact
             // TODO: use a proper btRigidBody / btGhostObject?
-            MWPhysics::PhysicsSystem::RayResult result = mPhysics->castRay(pos, newPos, caster, 0xff, MWPhysics::CollisionType_Projectile);
+            MWPhysics::PhysicsSystem::RayResult result = mPhysics->castRay(pos, newPos, caster, targetActors, 0xff, MWPhysics::CollisionType_Projectile);
 
             bool underwater = MWBase::Environment::get().getWorld()->isUnderwater(MWMechanics::getPlayer().getCell(), newPos);
+
             if (result.mHit || underwater)
             {
                 MWWorld::ManualRef projectileRef(MWBase::Environment::get().getWorld()->getStore(), it->mIdArrow);
diff --git a/apps/openmw/mwworld/weather.cpp b/apps/openmw/mwworld/weather.cpp
index b7c5736bd..eaf88d45a 100644
--- a/apps/openmw/mwworld/weather.cpp
+++ b/apps/openmw/mwworld/weather.cpp
@@ -731,7 +731,7 @@ void WeatherManager::update(float duration, bool paused)
     {
         stopSounds();
         if (!mResult.mAmbientLoopSoundID.empty())
-            mAmbientSound = MWBase::Environment::get().getSoundManager()->playSound(mResult.mAmbientLoopSoundID, 1.0, 1.0, MWBase::SoundManager::Play_TypeSfx, MWBase::SoundManager::Play_Loop);
+            mAmbientSound = MWBase::Environment::get().getSoundManager()->playSound(mResult.mAmbientLoopSoundID, mResult.mAmbientSoundVolume, 1.0, MWBase::SoundManager::Play_TypeSfx, MWBase::SoundManager::Play_Loop);
 
         mPlayingSoundID = mResult.mAmbientLoopSoundID;
     }
diff --git a/apps/openmw/mwworld/worldimp.cpp b/apps/openmw/mwworld/worldimp.cpp
index b409f2b5d..f60694613 100644
--- a/apps/openmw/mwworld/worldimp.cpp
+++ b/apps/openmw/mwworld/worldimp.cpp
@@ -13,10 +13,11 @@
 #include <components/esm/esmwriter.hpp>
 #include <components/esm/cellid.hpp>
 
+#include <components/misc/resourcehelpers.hpp>
 #include <components/misc/rng.hpp>
 
 #include <components/files/collections.hpp>
-#include <components/misc/resourcehelpers.hpp>
+
 #include <components/resource/resourcesystem.hpp>
 
 #include <components/sceneutil/positionattitudetransform.hpp>
@@ -1079,7 +1080,7 @@ namespace MWWorld
         return osg::Matrixf::translate(actor.getRefData().getPosition().asVec3());
     }
 
-    std::pair<MWWorld::Ptr,osg::Vec3f> World::getHitContact(const MWWorld::ConstPtr &ptr, float distance)
+    std::pair<MWWorld::Ptr,osg::Vec3f> World::getHitContact(const MWWorld::ConstPtr &ptr, float distance, std::vector<MWWorld::Ptr> &targets)
     {
         const ESM::Position &posdata = ptr.getRefData().getPosition();
 
@@ -1099,7 +1100,7 @@ namespace MWWorld
             distance += halfExtents.y();
         }
 
-        std::pair<MWWorld::Ptr,osg::Vec3f> result = mPhysics->getHitContact(ptr, pos, rot, distance);
+        std::pair<MWWorld::Ptr,osg::Vec3f> result = mPhysics->getHitContact(ptr, pos, rot, distance, targets);
         if(result.first.isEmpty())
             return std::make_pair(MWWorld::Ptr(), osg::Vec3f());
 
@@ -1476,7 +1477,7 @@ namespace MWWorld
     {
         osg::Vec3f a(x1,y1,z1);
         osg::Vec3f b(x2,y2,z2);
-        MWPhysics::PhysicsSystem::RayResult result = mPhysics->castRay(a, b, MWWorld::Ptr(), MWPhysics::CollisionType_World|MWPhysics::CollisionType_Door);
+        MWPhysics::PhysicsSystem::RayResult result = mPhysics->castRay(a, b, MWWorld::Ptr(), std::vector<MWWorld::Ptr>(), MWPhysics::CollisionType_World|MWPhysics::CollisionType_Door);
         return result.mHit;
     }
 
@@ -2526,7 +2527,7 @@ namespace MWWorld
         if (includeWater) {
             collisionTypes |= MWPhysics::CollisionType_Water;
         }
-        MWPhysics::PhysicsSystem::RayResult result = mPhysics->castRay(from, to, MWWorld::Ptr(), collisionTypes);
+        MWPhysics::PhysicsSystem::RayResult result = mPhysics->castRay(from, to, MWWorld::Ptr(), std::vector<MWWorld::Ptr>(), collisionTypes);
 
         if (!result.mHit)
             return maxDist;
@@ -2747,12 +2748,17 @@ namespace MWWorld
         osg::Vec3f direction = orient * osg::Vec3f(0,1,0);
         osg::Vec3f dest = origin + direction * distance;
 
+        // For AI actors, get combat targets to use in the ray cast. Only those targets will return a positive hit result.
+        std::vector<MWWorld::Ptr> targetActors;
+        if (!actor.isEmpty() && actor != MWMechanics::getPlayer())
+            actor.getClass().getCreatureStats(actor).getAiSequence().getCombatTargets(targetActors);
+
         // For actor targets, we want to use bounding boxes (physics raycast).
         // This is to give a slight tolerance for errors, especially with creatures like the Skeleton that would be very hard to aim at otherwise.
         // For object targets, we want the detailed shapes (rendering raycast).
         // If we used the bounding boxes for static objects, then we would not be able to target e.g. objects lying on a shelf.
 
-        MWPhysics::PhysicsSystem::RayResult result1 = mPhysics->castRay(origin, dest, actor, MWPhysics::CollisionType_Actor);
+        MWPhysics::PhysicsSystem::RayResult result1 = mPhysics->castRay(origin, dest, actor, targetActors, MWPhysics::CollisionType_Actor);
 
         MWRender::RenderingManager::RayResult result2 = mRendering->castRay(origin, dest, true, true);
 
@@ -2764,7 +2770,7 @@ namespace MWWorld
         if (result2.mHit)
             dist2 = (origin - result2.mHitPointWorld).length();
 
-        if (dist1 <= dist2 && result1.mHit)
+        if (result1.mHit)
         {
             target = result1.mHitObject;
             hitPosition = result1.mHitPos;
@@ -2775,7 +2781,7 @@ namespace MWWorld
         {
             target = result2.mHitObject;
             hitPosition = result2.mHitPointWorld;
-            if (dist2 > getMaxActivationDistance() && !target.isEmpty() && (target.getClass().isActor() || !target.getClass().canBeActivated(target)))
+            if (dist2 > getMaxActivationDistance() && !target.isEmpty() && !target.getClass().canBeActivated(target))
                 target = NULL;
         }
 
@@ -2785,7 +2791,7 @@ namespace MWWorld
         if (!target.isEmpty() && target.getClass().isActor() && target.getClass().getCreatureStats (target).getAiSequence().isInCombat()) 
         {
             distance = std::min (distance, getStore().get<ESM::GameSetting>().find("fCombatDistance")->getFloat());
-            if (distance < dist1 && distance < dist2)
+            if (distance < dist1)
                 target = NULL;
         }
 
diff --git a/apps/openmw/mwworld/worldimp.hpp b/apps/openmw/mwworld/worldimp.hpp
index c220932a7..800c8e110 100644
--- a/apps/openmw/mwworld/worldimp.hpp
+++ b/apps/openmw/mwworld/worldimp.hpp
@@ -354,7 +354,7 @@ namespace MWWorld
             /// Returns a pointer to the object the provided object would hit (if within the
             /// specified distance), and the point where the hit occurs. This will attempt to
             /// use the "Head" node as a basis.
-            virtual std::pair<MWWorld::Ptr,osg::Vec3f> getHitContact(const MWWorld::ConstPtr &ptr, float distance);
+            virtual std::pair<MWWorld::Ptr,osg::Vec3f> getHitContact(const MWWorld::ConstPtr &ptr, float distance, std::vector<MWWorld::Ptr> &targets);
 
             /// @note No-op for items in containers. Use ContainerStore::removeItem instead.
             virtual void deleteObject (const Ptr& ptr);
diff --git a/components/esm/loadbook.cpp b/components/esm/loadbook.cpp
index d5283b8eb..ee3c0c4af 100644
--- a/components/esm/loadbook.cpp
+++ b/components/esm/loadbook.cpp
@@ -84,7 +84,7 @@ namespace ESM
         mData.mWeight = 0;
         mData.mValue = 0;
         mData.mIsScroll = 0;
-        mData.mSkillID = 0;
+        mData.mSkillId = 0;
         mData.mEnchant = 0;
         mName.clear();
         mModel.clear();
diff --git a/components/esm/loadbook.hpp b/components/esm/loadbook.hpp
index 3d50356ae..bb2d7912f 100644
--- a/components/esm/loadbook.hpp
+++ b/components/esm/loadbook.hpp
@@ -21,7 +21,7 @@ struct Book
     struct BKDTstruct
     {
         float mWeight;
-        int mValue, mIsScroll, mSkillID, mEnchant;
+        int mValue, mIsScroll, mSkillId, mEnchant;
     };
 
     BKDTstruct mData;
diff --git a/components/nifosg/nifloader.cpp b/components/nifosg/nifloader.cpp
index 6fa8e4e49..a247c62a4 100644
--- a/components/nifosg/nifloader.cpp
+++ b/components/nifosg/nifloader.cpp
@@ -552,6 +552,9 @@ namespace NifOsg
         osg::ref_ptr<osg::Node> handleNode(const Nif::Node* nifNode, osg::Group* parentNode, Resource::ImageManager* imageManager,
                                 std::vector<int> boundTextures, int animflags, bool skipMeshes, TextKeyMap* textKeys, osg::Node* rootNode=NULL)
         {
+            if (rootNode != NULL && Misc::StringUtils::ciEqual(nifNode->name, "Bounding Box"))
+                return NULL;
+
             osg::ref_ptr<osg::Group> node = new osg::MatrixTransform(nifNode->trafo.toMatrix());
 
             // Set a default DataVariance (used as hint by optimization routines).