diff --git a/apps/openmw/CMakeLists.txt b/apps/openmw/CMakeLists.txt
index 39cd99cf6..77f465b4c 100644
--- a/apps/openmw/CMakeLists.txt
+++ b/apps/openmw/CMakeLists.txt
@@ -44,7 +44,7 @@ add_openmw_dir (mwsound
 add_openmw_dir (mwworld
     refdata world physicssystem scene environment globals class action nullaction actionteleport
     containerstore actiontalk actiontake manualref player cellfunctors
-    cells localscripts customdata weather
+    cells localscripts customdata weather inventorystore
     )
 
 add_openmw_dir (mwclass
diff --git a/apps/openmw/mwclass/armor.cpp b/apps/openmw/mwclass/armor.cpp
index 25021b718..9b97d7de8 100644
--- a/apps/openmw/mwclass/armor.cpp
+++ b/apps/openmw/mwclass/armor.cpp
@@ -2,12 +2,17 @@
 #include "armor.hpp"
 
 #include <components/esm/loadarmo.hpp>
+#include <components/esm/loadskil.hpp>
+#include <components/esm/loadgmst.hpp>
 
 #include <components/esm_store/cell_store.hpp>
 
 #include "../mwworld/ptr.hpp"
 #include "../mwworld/actiontake.hpp"
+
+#include "../mwworld/inventorystore.hpp"
 #include "../mwworld/environment.hpp"
+#include "../mwworld/world.hpp"
 
 #include "../mwrender/objects.hpp"
 
@@ -55,7 +60,7 @@ namespace MWClass
     boost::shared_ptr<MWWorld::Action> Armor::activate (const MWWorld::Ptr& ptr,
         const MWWorld::Ptr& actor, const MWWorld::Environment& environment) const
     {
-        environment.mSoundManager->playSound3D (ptr, getUpSoundId(ptr), 1.0, 1.0, false, true);
+        environment.mSoundManager->playSound3D (ptr, getUpSoundId(ptr, environment), 1.0, 1.0, false, true);
 
         return boost::shared_ptr<MWWorld::Action> (
             new MWWorld::ActionTake (ptr));
@@ -82,6 +87,79 @@ namespace MWClass
         return ref->base->script;
     }
 
+    std::pair<std::vector<int>, bool> Armor::getEquipmentSlots (const MWWorld::Ptr& ptr) const
+    {
+        ESMS::LiveCellRef<ESM::Armor, MWWorld::RefData> *ref =
+            ptr.get<ESM::Armor>();
+
+        std::vector<int> slots;
+
+        const int size = 11;
+
+        static const int sMapping[size][2] =
+        {
+            { ESM::Armor::Helmet, MWWorld::InventoryStore::Slot_Helmet },
+            { ESM::Armor::Cuirass, MWWorld::InventoryStore::Slot_Cuirass },
+            { ESM::Armor::LPauldron, MWWorld::InventoryStore::Slot_LeftPauldron },
+            { ESM::Armor::RPauldron, MWWorld::InventoryStore::Slot_RightPauldron },
+            { ESM::Armor::Greaves, MWWorld::InventoryStore::Slot_Greaves },
+            { ESM::Armor::Boots, MWWorld::InventoryStore::Slot_Boots },
+            { ESM::Armor::LGauntlet, MWWorld::InventoryStore::Slot_LeftGauntlet },
+            { ESM::Armor::RGauntlet, MWWorld::InventoryStore::Slot_RightGauntlet },
+            { ESM::Armor::Shield, MWWorld::InventoryStore::Slot_CarriedLeft },
+            { ESM::Armor::LBracer, MWWorld::InventoryStore::Slot_LeftGauntlet },
+            { ESM::Armor::RBracer, MWWorld::InventoryStore::Slot_RightGauntlet }
+        };
+
+        for (int i=0; i<size; ++i)
+            if (sMapping[i][0]==ref->base->data.type)
+            {
+                slots.push_back (int (sMapping[i][1]));
+                break;
+            }
+
+        return std::make_pair (slots, false);
+    }
+
+    int Armor::getEuqipmentSkill (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const
+    {
+        ESMS::LiveCellRef<ESM::Armor, MWWorld::RefData> *ref =
+            ptr.get<ESM::Armor>();
+
+        std::string typeGmst;
+
+        switch (ref->base->data.type)
+        {
+            case ESM::Armor::Helmet: typeGmst = "iHelmWeight"; break;
+            case ESM::Armor::Cuirass: typeGmst = "iCuirassWeight"; break;
+            case ESM::Armor::LPauldron:
+            case ESM::Armor::RPauldron: typeGmst = "iPauldronWeight"; break;
+            case ESM::Armor::Greaves: typeGmst = "iGreavesWeight"; break;
+            case ESM::Armor::Boots: typeGmst = "iBootsWeight"; break;
+            case ESM::Armor::LGauntlet:
+            case ESM::Armor::RGauntlet: typeGmst = "iGauntletWeight"; break;
+/// \todo how to determine if shield light, medium or heavy?
+//            case ESM::Armor::Shield:
+            case ESM::Armor::LBracer:
+            case ESM::Armor::RBracer: typeGmst = "iGauntletWeight"; break;
+        }
+
+        if (typeGmst.empty())
+            return -1;
+
+        float iWeight = environment.mWorld->getStore().gameSettings.find (typeGmst)->f;
+
+        if (iWeight * environment.mWorld->getStore().gameSettings.find ("fLightMaxMod")->f<=
+            ref->base->data.weight)
+            return ESM::Skill::LightArmor;
+
+        if (iWeight * environment.mWorld->getStore().gameSettings.find ("fMedMaxMod")->f<=
+            ref->base->data.weight)
+            return ESM::Skill::MediumArmor;
+
+        return ESM::Skill::HeavyArmor;
+    }
+
     void Armor::registerSelf()
     {
         boost::shared_ptr<Class> instance (new Armor);
@@ -89,116 +167,25 @@ namespace MWClass
         registerClass (typeid (ESM::Armor).name(), instance);
     }
 
-    std::string Armor::getUpSoundId (const MWWorld::Ptr& ptr) const
+    std::string Armor::getUpSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const
     {
-        int wc = getWeightCategory(ptr);
-        if (wc == WC_Light)
+        int es = getEuqipmentSkill(ptr, environment);
+        if (es == ESM::Skill::LightArmor)
             return std::string("Item Armor Light Up");
-        else if (wc == WC_Medium)
+        else if (es == ESM::Skill::MediumArmor)
             return std::string("Item Armor Medium Up");
         else
             return std::string("Item Armor Heavy Up");
     }
 
-    std::string Armor::getDownSoundId (const MWWorld::Ptr& ptr) const
+    std::string Armor::getDownSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const
     {
-        int wc = getWeightCategory(ptr);
-        if (wc == WC_Light)
+        int es = getEuqipmentSkill(ptr, environment);
+        if (es == ESM::Skill::LightArmor)
             return std::string("Item Armor Light Down");
-        else if (wc == WC_Medium)
+        else if (es == ESM::Skill::MediumArmor)
             return std::string("Item Armor Medium Down");
         else
             return std::string("Item Armor Heavy Down");
     }
-
-    int Armor::getWeightCategory (const MWWorld::Ptr& ptr) const
-    {
-        ESMS::LiveCellRef<ESM::Armor, MWWorld::RefData> *ref =
-            ptr.get<ESM::Armor>();
-
-        float weight = ref->base->data.weight;
-        int type = ref->base->data.type;
-        // Boots
-        if (type == 5)
-        {
-            if (weight <= 12.0)
-            {
-                return WC_Light;
-            }
-            else if (weight > 18.0)
-            {
-                return WC_Heavy;
-            }
-            else
-            {
-                return WC_Medium;
-            }
-        }
-        // Cuirass
-        if (type == 1)
-        {
-            if (weight <= 18.0)
-            {
-                return WC_Light;
-            }
-            else if (weight > 27.0)
-            {
-                return WC_Heavy;
-            }
-            else
-            {
-                return WC_Medium;
-            }
-        }
-        // Greaves, Shield
-        if (type == 4 || type == 8)
-        {
-            if (weight <= 9.0)
-            {
-                return WC_Light;
-            }
-            else if (weight > 13.5)
-            {
-                return WC_Heavy;
-            }
-            else
-            {
-                return WC_Medium;
-            }
-        }
-        // Bracer, Gauntlet, Helmet
-        if (type == 6 || type == 7 || type == 9 || type == 10 || type == 0)
-        {
-            if (weight <= 3.0)
-            {
-                return WC_Light;
-            }
-            else if (weight > 4.5)
-            {
-                return WC_Heavy;
-            }
-            else
-            {
-                return WC_Medium;
-            }
-        }
-        // Pauldrons
-        if (type == 2 || type == 3)
-        {
-            if (weight <= 6.0)
-            {
-                return WC_Light;
-            }
-            else if (weight > 9.0)
-            {
-                return WC_Heavy;
-            }
-            else
-            {
-                return WC_Medium;
-            }
-        }
-
-        return WC_Light;
-    }
 }
diff --git a/apps/openmw/mwclass/armor.hpp b/apps/openmw/mwclass/armor.hpp
index 943fcaa0b..b240e96e3 100644
--- a/apps/openmw/mwclass/armor.hpp
+++ b/apps/openmw/mwclass/armor.hpp
@@ -5,13 +5,6 @@
 
 namespace MWClass
 {
-    enum WeightCategory
-    {
-        WC_Light = 0,
-        WC_Medium = 1,
-        WC_Heavy = 2
-    };
-
     class Armor : public MWWorld::Class
     {
         public:
@@ -38,16 +31,22 @@ namespace MWClass
             virtual std::string getScript (const MWWorld::Ptr& ptr) const;
             ///< Return name of the script attached to ptr
 
+            virtual std::pair<std::vector<int>, bool> getEquipmentSlots (const MWWorld::Ptr& ptr) const;
+            ///< \return first: Return IDs of the slot this object can be equipped in; second: can object
+            /// stay stacked when equipped?
+
+            virtual int getEuqipmentSkill (const MWWorld::Ptr& ptr,
+                const MWWorld::Environment& environment) const;
+            /// Return the index of the skill this item corresponds to when equiopped or -1, if there is
+            /// no such skill.
+
             static void registerSelf();
 
-            virtual std::string getUpSoundId (const MWWorld::Ptr& ptr) const;
+            virtual std::string getUpSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const;
             ///< Return the pick up sound Id
 
-            virtual std::string getDownSoundId (const MWWorld::Ptr& ptr) const;
+            virtual std::string getDownSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const;
             ///< Return the put down sound Id
-
-            virtual int getWeightCategory (const MWWorld::Ptr& ptr) const;
-            ///< Return the weight category of the armor light/medium/heavy
     };
 }
 
diff --git a/apps/openmw/mwclass/book.cpp b/apps/openmw/mwclass/book.cpp
index 9bc3eaab5..0a81ebafb 100644
--- a/apps/openmw/mwclass/book.cpp
+++ b/apps/openmw/mwclass/book.cpp
@@ -58,7 +58,7 @@ namespace MWClass
     {
         // TODO implement reading
 
-        environment.mSoundManager->playSound3D (ptr, getUpSoundId(ptr), 1.0, 1.0, false, true);
+        environment.mSoundManager->playSound3D (ptr, getUpSoundId(ptr, environment), 1.0, 1.0, false, true);
 
         return boost::shared_ptr<MWWorld::Action> (
             new MWWorld::ActionTake (ptr));
@@ -79,12 +79,12 @@ namespace MWClass
         registerClass (typeid (ESM::Book).name(), instance);
     }
 
-    std::string Book::getUpSoundId (const MWWorld::Ptr& ptr) const
+    std::string Book::getUpSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const
     {
         return std::string("Item Book Up");
     }
 
-    std::string Book::getDownSoundId (const MWWorld::Ptr& ptr) const
+    std::string Book::getDownSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const
     {
         return std::string("Item Book Down");
     }
diff --git a/apps/openmw/mwclass/book.hpp b/apps/openmw/mwclass/book.hpp
index 612583dc8..ccbbfb4b2 100644
--- a/apps/openmw/mwclass/book.hpp
+++ b/apps/openmw/mwclass/book.hpp
@@ -27,10 +27,10 @@ namespace MWClass
 
             static void registerSelf();
 
-            virtual std::string getUpSoundId (const MWWorld::Ptr& ptr) const;
+            virtual std::string getUpSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const;
             ///< Return the pick up sound Id
 
-            virtual std::string getDownSoundId (const MWWorld::Ptr& ptr) const;
+            virtual std::string getDownSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const;
             ///< Return the put down sound Id
     };
 }
diff --git a/apps/openmw/mwclass/clothing.cpp b/apps/openmw/mwclass/clothing.cpp
index 5d353a0f3..56b981fe4 100644
--- a/apps/openmw/mwclass/clothing.cpp
+++ b/apps/openmw/mwclass/clothing.cpp
@@ -8,6 +8,7 @@
 #include "../mwworld/ptr.hpp"
 #include "../mwworld/actiontake.hpp"
 #include "../mwworld/environment.hpp"
+#include "../mwworld/inventorystore.hpp"
 
 #include "../mwrender/objects.hpp"
 
@@ -56,7 +57,7 @@ namespace MWClass
     boost::shared_ptr<MWWorld::Action> Clothing::activate (const MWWorld::Ptr& ptr,
         const MWWorld::Ptr& actor, const MWWorld::Environment& environment) const
     {
-         environment.mSoundManager->playSound3D (ptr, getUpSoundId(ptr), 1.0, 1.0, false, true);
+         environment.mSoundManager->playSound3D (ptr, getUpSoundId(ptr, environment), 1.0, 1.0, false, true);
 
         return boost::shared_ptr<MWWorld::Action> (
             new MWWorld::ActionTake (ptr));
@@ -70,6 +71,58 @@ namespace MWClass
         return ref->base->script;
     }
 
+    std::pair<std::vector<int>, bool> Clothing::getEquipmentSlots (const MWWorld::Ptr& ptr) const
+    {
+        ESMS::LiveCellRef<ESM::Clothing, MWWorld::RefData> *ref =
+            ptr.get<ESM::Clothing>();
+
+        std::vector<int> slots;
+
+        if (ref->base->data.type==ESM::Clothing::Ring)
+        {
+            slots.push_back (int (MWWorld::InventoryStore::Slot_LeftRing));
+            slots.push_back (int (MWWorld::InventoryStore::Slot_RightRing));
+        }
+        else
+        {
+            const int size = 9;
+
+            static const int sMapping[size][2] =
+            {
+                { ESM::Clothing::Shirt, MWWorld::InventoryStore::Slot_Cuirass },
+                { ESM::Clothing::Belt, MWWorld::InventoryStore::Slot_Belt },
+                { ESM::Clothing::Robe, MWWorld::InventoryStore::Slot_Robe },
+                { ESM::Clothing::Pants, MWWorld::InventoryStore::Slot_Pants },
+                { ESM::Clothing::Shoes, MWWorld::InventoryStore::Slot_Boots },
+                { ESM::Clothing::LGlove, MWWorld::InventoryStore::Slot_LeftGauntlet },
+                { ESM::Clothing::RGlove, MWWorld::InventoryStore::Slot_RightGauntlet },
+                { ESM::Clothing::Skirt, MWWorld::InventoryStore::Slot_Skirt },
+                { ESM::Clothing::Amulet, MWWorld::InventoryStore::Slot_Amulet }
+            };
+
+            for (int i=0; i<size; ++i)
+                if (sMapping[i][0]==ref->base->data.type)
+                {
+                    slots.push_back (int (sMapping[i][1]));
+                    break;
+                }
+        }
+
+        return std::make_pair (slots, false);
+    }
+
+    int Clothing::getEuqipmentSkill (const MWWorld::Ptr& ptr,
+        const MWWorld::Environment& environment) const
+    {
+        ESMS::LiveCellRef<ESM::Clothing, MWWorld::RefData> *ref =
+            ptr.get<ESM::Clothing>();
+
+        if (ref->base->data.type==ESM::Clothing::Shoes)
+            return ESM::Skill::Unarmored;
+
+        return -1;
+    }
+
     void Clothing::registerSelf()
     {
         boost::shared_ptr<Class> instance (new Clothing);
@@ -77,7 +130,7 @@ namespace MWClass
         registerClass (typeid (ESM::Clothing).name(), instance);
     }
 
-    std::string Clothing::getUpSoundId (const MWWorld::Ptr& ptr) const
+    std::string Clothing::getUpSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const
     {
          ESMS::LiveCellRef<ESM::Clothing, MWWorld::RefData> *ref =
             ptr.get<ESM::Clothing>();
@@ -89,7 +142,7 @@ namespace MWClass
         return std::string("Item Clothes Up");
     }
 
-    std::string Clothing::getDownSoundId (const MWWorld::Ptr& ptr) const
+    std::string Clothing::getDownSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const
     {
          ESMS::LiveCellRef<ESM::Clothing, MWWorld::RefData> *ref =
             ptr.get<ESM::Clothing>();
diff --git a/apps/openmw/mwclass/clothing.hpp b/apps/openmw/mwclass/clothing.hpp
index 086e87dff..47faa5ad3 100644
--- a/apps/openmw/mwclass/clothing.hpp
+++ b/apps/openmw/mwclass/clothing.hpp
@@ -25,12 +25,21 @@ namespace MWClass
             virtual std::string getScript (const MWWorld::Ptr& ptr) const;
             ///< Return name of the script attached to ptr
 
+            virtual std::pair<std::vector<int>, bool> getEquipmentSlots (const MWWorld::Ptr& ptr) const;
+            ///< \return first: Return IDs of the slot this object can be equipped in; second: can object
+            /// stay stacked when equipped?
+
+            virtual int getEuqipmentSkill (const MWWorld::Ptr& ptr,
+                const MWWorld::Environment& environment) const;
+            /// Return the index of the skill this item corresponds to when equiopped or -1, if there is
+            /// no such skill.
+
             static void registerSelf();
 
-            virtual std::string getUpSoundId (const MWWorld::Ptr& ptr) const;
+            virtual std::string getUpSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const;
             ///< Return the pick up sound Id
 
-            virtual std::string getDownSoundId (const MWWorld::Ptr& ptr) const;
+            virtual std::string getDownSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const;
             ///< Return the put down sound Id
     };
 }
diff --git a/apps/openmw/mwclass/ingredient.cpp b/apps/openmw/mwclass/ingredient.cpp
index da25a90ad..1a7edf632 100644
--- a/apps/openmw/mwclass/ingredient.cpp
+++ b/apps/openmw/mwclass/ingredient.cpp
@@ -54,7 +54,7 @@ namespace MWClass
     boost::shared_ptr<MWWorld::Action> Ingredient::activate (const MWWorld::Ptr& ptr,
         const MWWorld::Ptr& actor, const MWWorld::Environment& environment) const
     {
-        environment.mSoundManager->playSound3D (ptr, getUpSoundId(ptr), 1.0, 1.0, false, true);
+        environment.mSoundManager->playSound3D (ptr, getUpSoundId(ptr, environment), 1.0, 1.0, false, true);
 
         return boost::shared_ptr<MWWorld::Action> (
             new MWWorld::ActionTake (ptr));
@@ -75,12 +75,12 @@ namespace MWClass
         registerClass (typeid (ESM::Ingredient).name(), instance);
     }
 
-    std::string Ingredient::getUpSoundId (const MWWorld::Ptr& ptr) const
+    std::string Ingredient::getUpSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const
     {
         return std::string("Item Ingredient Up");
     }
 
-    std::string Ingredient::getDownSoundId (const MWWorld::Ptr& ptr) const
+    std::string Ingredient::getDownSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const
     {
         return std::string("Item Ingredient Down");
     }
diff --git a/apps/openmw/mwclass/ingredient.hpp b/apps/openmw/mwclass/ingredient.hpp
index e7cd5e9bf..9463dcf8d 100644
--- a/apps/openmw/mwclass/ingredient.hpp
+++ b/apps/openmw/mwclass/ingredient.hpp
@@ -27,10 +27,10 @@ namespace MWClass
 
             static void registerSelf();
 
-            virtual std::string getUpSoundId (const MWWorld::Ptr& ptr) const;
+            virtual std::string getUpSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const;
             ///< Return the pick up sound Id
 
-            virtual std::string getDownSoundId (const MWWorld::Ptr& ptr) const;
+            virtual std::string getDownSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const;
             ///< Return the put down sound Id
     };
 }
diff --git a/apps/openmw/mwclass/light.cpp b/apps/openmw/mwclass/light.cpp
index 9a5daf24d..e2e63a89b 100644
--- a/apps/openmw/mwclass/light.cpp
+++ b/apps/openmw/mwclass/light.cpp
@@ -9,6 +9,7 @@
 #include "../mwworld/actiontake.hpp"
 #include "../mwworld/nullaction.hpp"
 #include "../mwworld/environment.hpp"
+#include "../mwworld/inventorystore.hpp"
 
 #include "../mwsound/soundmanager.hpp"
 
@@ -82,7 +83,7 @@ namespace MWClass
         if (!(ref->base->data.flags & ESM::Light::Carry))
             return boost::shared_ptr<MWWorld::Action> (new MWWorld::NullAction);
 
-        environment.mSoundManager->playSound3D (ptr, getUpSoundId(ptr), 1.0, 1.0, false, true);
+        environment.mSoundManager->playSound3D (ptr, getUpSoundId(ptr, environment), 1.0, 1.0, false, true);
 
         return boost::shared_ptr<MWWorld::Action> (
             new MWWorld::ActionTake (ptr));
@@ -96,6 +97,19 @@ namespace MWClass
         return ref->base->script;
     }
 
+    std::pair<std::vector<int>, bool> Light::getEquipmentSlots (const MWWorld::Ptr& ptr) const
+    {
+        ESMS::LiveCellRef<ESM::Light, MWWorld::RefData> *ref =
+            ptr.get<ESM::Light>();
+
+        std::vector<int> slots;
+
+        if (ref->base->data.flags & ESM::Light::Carry)
+            slots.push_back (int (MWWorld::InventoryStore::Slot_CarriedLeft));
+
+        return std::make_pair (slots, false);
+    }
+
     void Light::registerSelf()
     {
         boost::shared_ptr<Class> instance (new Light);
@@ -103,12 +117,12 @@ namespace MWClass
         registerClass (typeid (ESM::Light).name(), instance);
     }
 
-    std::string Light::getUpSoundId (const MWWorld::Ptr& ptr) const
+    std::string Light::getUpSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const
     {
         return std::string("Item Misc Up");
     }
 
-    std::string Light::getDownSoundId (const MWWorld::Ptr& ptr) const
+    std::string Light::getDownSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const
     {
         return std::string("Item Misc Down");
     }
diff --git a/apps/openmw/mwclass/light.hpp b/apps/openmw/mwclass/light.hpp
index 212c6dbf8..46a4d60ba 100644
--- a/apps/openmw/mwclass/light.hpp
+++ b/apps/openmw/mwclass/light.hpp
@@ -30,12 +30,16 @@ namespace MWClass
             virtual std::string getScript (const MWWorld::Ptr& ptr) const;
             ///< Return name of the script attached to ptr
 
+            virtual std::pair<std::vector<int>, bool> getEquipmentSlots (const MWWorld::Ptr& ptr) const;
+            ///< \return first: Return IDs of the slot this object can be equipped in; second: can object
+            /// stay stacked when equipped?
+
             static void registerSelf();
 
-            virtual std::string getUpSoundId (const MWWorld::Ptr& ptr) const;
+            virtual std::string getUpSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const;
             ///< Return the pick up sound Id
 
-            virtual std::string getDownSoundId (const MWWorld::Ptr& ptr) const;
+            virtual std::string getDownSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const;
             ///< Return the put down sound Id
     };
 }
diff --git a/apps/openmw/mwclass/lockpick.cpp b/apps/openmw/mwclass/lockpick.cpp
index 5d176675f..3dda2f4af 100644
--- a/apps/openmw/mwclass/lockpick.cpp
+++ b/apps/openmw/mwclass/lockpick.cpp
@@ -8,6 +8,7 @@
 #include "../mwworld/ptr.hpp"
 #include "../mwworld/actiontake.hpp"
 #include "../mwworld/environment.hpp"
+#include "../mwworld/inventorystore.hpp"
 
 #include "../mwrender/objects.hpp"
 
@@ -57,7 +58,7 @@ namespace MWClass
     boost::shared_ptr<MWWorld::Action> Lockpick::activate (const MWWorld::Ptr& ptr,
         const MWWorld::Ptr& actor, const MWWorld::Environment& environment) const
     {
-        environment.mSoundManager->playSound3D (ptr, getUpSoundId(ptr), 1.0, 1.0, false, true);
+        environment.mSoundManager->playSound3D (ptr, getUpSoundId(ptr, environment), 1.0, 1.0, false, true);
 
         return boost::shared_ptr<MWWorld::Action> (
             new MWWorld::ActionTake (ptr));
@@ -71,6 +72,15 @@ namespace MWClass
         return ref->base->script;
     }
 
+    std::pair<std::vector<int>, bool> Lockpick::getEquipmentSlots (const MWWorld::Ptr& ptr) const
+    {
+        std::vector<int> slots;
+
+        slots.push_back (int (MWWorld::InventoryStore::Slot_CarriedRight));
+
+        return std::make_pair (slots, false);
+    }
+
     void Lockpick::registerSelf()
     {
         boost::shared_ptr<Class> instance (new Lockpick);
@@ -78,12 +88,12 @@ namespace MWClass
         registerClass (typeid (ESM::Tool).name(), instance);
     }
 
-    std::string Lockpick::getUpSoundId (const MWWorld::Ptr& ptr) const
+    std::string Lockpick::getUpSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const
     {
         return std::string("Item Lockpick Up");
     }
 
-    std::string Lockpick::getDownSoundId (const MWWorld::Ptr& ptr) const
+    std::string Lockpick::getDownSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const
     {
         return std::string("Item Lockpick Down");
     }
diff --git a/apps/openmw/mwclass/lockpick.hpp b/apps/openmw/mwclass/lockpick.hpp
index bc5ad98ec..0c9189c54 100644
--- a/apps/openmw/mwclass/lockpick.hpp
+++ b/apps/openmw/mwclass/lockpick.hpp
@@ -25,12 +25,16 @@ namespace MWClass
             virtual std::string getScript (const MWWorld::Ptr& ptr) const;
             ///< Return name of the script attached to ptr
 
+            virtual std::pair<std::vector<int>, bool> getEquipmentSlots (const MWWorld::Ptr& ptr) const;
+            ///< \return first: Return IDs of the slot this object can be equipped in; second: can object
+            /// stay stacked when equipped?
+
             static void registerSelf();
 
-            virtual std::string getUpSoundId (const MWWorld::Ptr& ptr) const;
+            virtual std::string getUpSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const;
             ///< Return the pick up sound Id
 
-            virtual std::string getDownSoundId (const MWWorld::Ptr& ptr) const;
+            virtual std::string getDownSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const;
             ///< Return the put down sound Id
     };
 }
diff --git a/apps/openmw/mwclass/misc.cpp b/apps/openmw/mwclass/misc.cpp
index 20a0e5b4d..864fc1e38 100644
--- a/apps/openmw/mwclass/misc.cpp
+++ b/apps/openmw/mwclass/misc.cpp
@@ -56,7 +56,7 @@ namespace MWClass
     boost::shared_ptr<MWWorld::Action> Miscellaneous::activate (const MWWorld::Ptr& ptr,
         const MWWorld::Ptr& actor, const MWWorld::Environment& environment) const
     {
-        environment.mSoundManager->playSound3D (ptr, getUpSoundId(ptr), 1.0, 1.0, false, true);
+        environment.mSoundManager->playSound3D (ptr, getUpSoundId(ptr, environment), 1.0, 1.0, false, true);
 
         return boost::shared_ptr<MWWorld::Action> (
             new MWWorld::ActionTake (ptr));
@@ -77,7 +77,7 @@ namespace MWClass
         registerClass (typeid (ESM::Miscellaneous).name(), instance);
     }
 
-    std::string Miscellaneous::getUpSoundId (const MWWorld::Ptr& ptr) const
+    std::string Miscellaneous::getUpSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const
     {
         ESMS::LiveCellRef<ESM::Miscellaneous, MWWorld::RefData> *ref =
             ptr.get<ESM::Miscellaneous>();
@@ -89,7 +89,7 @@ namespace MWClass
         return std::string("Item Misc Up");
     }
 
-    std::string Miscellaneous::getDownSoundId (const MWWorld::Ptr& ptr) const
+    std::string Miscellaneous::getDownSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const
     {
         ESMS::LiveCellRef<ESM::Miscellaneous, MWWorld::RefData> *ref =
             ptr.get<ESM::Miscellaneous>();
diff --git a/apps/openmw/mwclass/misc.hpp b/apps/openmw/mwclass/misc.hpp
index 857ef5354..b07964f99 100644
--- a/apps/openmw/mwclass/misc.hpp
+++ b/apps/openmw/mwclass/misc.hpp
@@ -27,10 +27,10 @@ namespace MWClass
 
             static void registerSelf();
 
-            virtual std::string getUpSoundId (const MWWorld::Ptr& ptr) const;
+            virtual std::string getUpSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const;
             ///< Return the pick up sound Id
 
-            virtual std::string getDownSoundId (const MWWorld::Ptr& ptr) const;
+            virtual std::string getDownSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const;
             ///< Return the put down sound Id
     };
 }
diff --git a/apps/openmw/mwclass/npc.cpp b/apps/openmw/mwclass/npc.cpp
index cc7daa83e..83a94d27d 100644
--- a/apps/openmw/mwclass/npc.cpp
+++ b/apps/openmw/mwclass/npc.cpp
@@ -16,7 +16,7 @@
 #include "../mwworld/actiontalk.hpp"
 #include "../mwworld/environment.hpp"
 #include "../mwworld/world.hpp"
-#include "../mwworld/containerstore.hpp"
+#include "../mwworld/inventorystore.hpp"
 #include "../mwworld/customdata.hpp"
 
 namespace
@@ -29,7 +29,7 @@ namespace
         MWMechanics::NpcStats mNpcStats;
         MWMechanics::CreatureStats mCreatureStats;
         MWMechanics::Movement mMovement;
-        MWWorld::ContainerStore mContainerStore;
+        MWWorld::InventoryStore mInventoryStore;
 
         virtual MWWorld::CustomData *clone() const;
     };
@@ -161,7 +161,15 @@ namespace MWClass
     {
         ensureCustomData (ptr);
 
-        return dynamic_cast<CustomData&> (*ptr.getRefData().getCustomData()).mContainerStore;
+        return dynamic_cast<CustomData&> (*ptr.getRefData().getCustomData()).mInventoryStore;
+    }
+
+    MWWorld::InventoryStore& Npc::getInventoryStore (const MWWorld::Ptr& ptr)
+        const
+    {
+        ensureCustomData (ptr);
+
+        return dynamic_cast<CustomData&> (*ptr.getRefData().getCustomData()).mInventoryStore;
     }
 
     std::string Npc::getScript (const MWWorld::Ptr& ptr) const
diff --git a/apps/openmw/mwclass/npc.hpp b/apps/openmw/mwclass/npc.hpp
index bef417332..f210eda5f 100644
--- a/apps/openmw/mwclass/npc.hpp
+++ b/apps/openmw/mwclass/npc.hpp
@@ -38,6 +38,9 @@ namespace MWClass
             virtual MWWorld::ContainerStore& getContainerStore (const MWWorld::Ptr& ptr) const;
             ///< Return container store
 
+            virtual MWWorld::InventoryStore& getInventoryStore (const MWWorld::Ptr& ptr) const;
+            ///< Return inventory store
+
             virtual boost::shared_ptr<MWWorld::Action> activate (const MWWorld::Ptr& ptr,
                 const MWWorld::Ptr& actor, const MWWorld::Environment& environment) const;
             ///< Generate action for activation
diff --git a/apps/openmw/mwclass/potion.cpp b/apps/openmw/mwclass/potion.cpp
index 4eb62bbc7..4ab374590 100644
--- a/apps/openmw/mwclass/potion.cpp
+++ b/apps/openmw/mwclass/potion.cpp
@@ -56,7 +56,7 @@ namespace MWClass
     boost::shared_ptr<MWWorld::Action> Potion::activate (const MWWorld::Ptr& ptr,
         const MWWorld::Ptr& actor, const MWWorld::Environment& environment) const
     {
-        environment.mSoundManager->playSound3D (ptr, getUpSoundId(ptr), 1.0, 1.0, false, true);
+        environment.mSoundManager->playSound3D (ptr, getUpSoundId(ptr, environment), 1.0, 1.0, false, true);
 
         return boost::shared_ptr<MWWorld::Action> (
             new MWWorld::ActionTake (ptr));
@@ -77,12 +77,12 @@ namespace MWClass
         registerClass (typeid (ESM::Potion).name(), instance);
     }
 
-    std::string Potion::getUpSoundId (const MWWorld::Ptr& ptr) const
+    std::string Potion::getUpSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const
     {
         return std::string("Item Potion Up");
     }
 
-    std::string Potion::getDownSoundId (const MWWorld::Ptr& ptr) const
+    std::string Potion::getDownSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const
     {
         return std::string("Item Potion Down");
     }
diff --git a/apps/openmw/mwclass/potion.hpp b/apps/openmw/mwclass/potion.hpp
index 191ef5b15..be9e713fb 100644
--- a/apps/openmw/mwclass/potion.hpp
+++ b/apps/openmw/mwclass/potion.hpp
@@ -27,10 +27,10 @@ namespace MWClass
 
             static void registerSelf();
 
-            virtual std::string getUpSoundId (const MWWorld::Ptr& ptr) const;
+            virtual std::string getUpSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const;
             ///< Return the pick up sound Id
 
-            virtual std::string getDownSoundId (const MWWorld::Ptr& ptr) const;
+            virtual std::string getDownSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const;
             ///< Return the put down sound Id
     };
 }
diff --git a/apps/openmw/mwclass/probe.cpp b/apps/openmw/mwclass/probe.cpp
index 343022c82..4b4d79a73 100644
--- a/apps/openmw/mwclass/probe.cpp
+++ b/apps/openmw/mwclass/probe.cpp
@@ -8,6 +8,7 @@
 #include "../mwworld/ptr.hpp"
 #include "../mwworld/actiontake.hpp"
 #include "../mwworld/environment.hpp"
+#include "../mwworld/inventorystore.hpp"
 
 #include "../mwrender/objects.hpp"
 
@@ -56,7 +57,7 @@ namespace MWClass
     boost::shared_ptr<MWWorld::Action> Probe::activate (const MWWorld::Ptr& ptr,
         const MWWorld::Ptr& actor, const MWWorld::Environment& environment) const
     {
-        environment.mSoundManager->playSound3D (ptr, getUpSoundId(ptr), 1.0, 1.0, false, true);
+        environment.mSoundManager->playSound3D (ptr, getUpSoundId(ptr, environment), 1.0, 1.0, false, true);
 
         return boost::shared_ptr<MWWorld::Action> (
             new MWWorld::ActionTake (ptr));
@@ -70,6 +71,15 @@ namespace MWClass
         return ref->base->script;
     }
 
+    std::pair<std::vector<int>, bool> Probe::getEquipmentSlots (const MWWorld::Ptr& ptr) const
+    {
+        std::vector<int> slots;
+
+        slots.push_back (int (MWWorld::InventoryStore::Slot_CarriedRight));
+
+        return std::make_pair (slots, false);
+    }
+
     void Probe::registerSelf()
     {
         boost::shared_ptr<Class> instance (new Probe);
@@ -77,12 +87,12 @@ namespace MWClass
         registerClass (typeid (ESM::Probe).name(), instance);
     }
 
-    std::string Probe::getUpSoundId (const MWWorld::Ptr& ptr) const
+    std::string Probe::getUpSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const
     {
         return std::string("Item Probe Up");
     }
 
-    std::string Probe::getDownSoundId (const MWWorld::Ptr& ptr) const
+    std::string Probe::getDownSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const
     {
         return std::string("Item Probe Down");
     }
diff --git a/apps/openmw/mwclass/probe.hpp b/apps/openmw/mwclass/probe.hpp
index d601e1b31..1507d65aa 100644
--- a/apps/openmw/mwclass/probe.hpp
+++ b/apps/openmw/mwclass/probe.hpp
@@ -25,12 +25,16 @@ namespace MWClass
             virtual std::string getScript (const MWWorld::Ptr& ptr) const;
             ///< Return name of the script attached to ptr
 
+            virtual std::pair<std::vector<int>, bool> getEquipmentSlots (const MWWorld::Ptr& ptr) const;
+            ///< \return first: Return IDs of the slot this object can be equipped in; second: can object
+            /// stay stacked when equipped?
+
             static void registerSelf();
 
-            virtual std::string getUpSoundId (const MWWorld::Ptr& ptr) const;
+            virtual std::string getUpSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const;
             ///< Return the pick up sound Id
 
-            virtual std::string getDownSoundId (const MWWorld::Ptr& ptr) const;
+            virtual std::string getDownSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const;
             ///< Return the put down sound Id
     };
 }
diff --git a/apps/openmw/mwclass/repair.cpp b/apps/openmw/mwclass/repair.cpp
index 505308814..758bf4079 100644
--- a/apps/openmw/mwclass/repair.cpp
+++ b/apps/openmw/mwclass/repair.cpp
@@ -56,7 +56,7 @@ namespace MWClass
     boost::shared_ptr<MWWorld::Action> Repair::activate (const MWWorld::Ptr& ptr,
         const MWWorld::Ptr& actor, const MWWorld::Environment& environment) const
     {
-        environment.mSoundManager->playSound3D (ptr, getUpSoundId(ptr), 1.0, 1.0, false, true);
+        environment.mSoundManager->playSound3D (ptr, getUpSoundId(ptr, environment), 1.0, 1.0, false, true);
 
         return boost::shared_ptr<MWWorld::Action> (
             new MWWorld::ActionTake (ptr));
@@ -77,12 +77,12 @@ namespace MWClass
         registerClass (typeid (ESM::Repair).name(), instance);
     }
 
-    std::string Repair::getUpSoundId (const MWWorld::Ptr& ptr) const
+    std::string Repair::getUpSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const
     {
         return std::string("Item Repair Up");
     }
 
-    std::string Repair::getDownSoundId (const MWWorld::Ptr& ptr) const
+    std::string Repair::getDownSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const
     {
         return std::string("Item Repair Down");
     }
diff --git a/apps/openmw/mwclass/repair.hpp b/apps/openmw/mwclass/repair.hpp
index eef35acc9..17b606f4c 100644
--- a/apps/openmw/mwclass/repair.hpp
+++ b/apps/openmw/mwclass/repair.hpp
@@ -27,10 +27,10 @@ namespace MWClass
 
             static void registerSelf();
 
-            virtual std::string getUpSoundId (const MWWorld::Ptr& ptr) const;
+            virtual std::string getUpSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const;
             ///< Return the pick up sound Id
 
-            virtual std::string getDownSoundId (const MWWorld::Ptr& ptr) const;
+            virtual std::string getDownSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const;
             ///< Return the put down sound Id
     };
 }
diff --git a/apps/openmw/mwclass/weapon.cpp b/apps/openmw/mwclass/weapon.cpp
index 274799d3f..45fdaada3 100644
--- a/apps/openmw/mwclass/weapon.cpp
+++ b/apps/openmw/mwclass/weapon.cpp
@@ -8,6 +8,7 @@
 #include "../mwworld/ptr.hpp"
 #include "../mwworld/actiontake.hpp"
 #include "../mwworld/environment.hpp"
+#include "../mwworld/inventorystore.hpp"
 
 #include "../mwrender/objects.hpp"
 
@@ -56,7 +57,7 @@ namespace MWClass
     boost::shared_ptr<MWWorld::Action> Weapon::activate (const MWWorld::Ptr& ptr,
         const MWWorld::Ptr& actor, const MWWorld::Environment& environment) const
     {
-        environment.mSoundManager->playSound3D (ptr, getUpSoundId(ptr), 1.0, 1.0, false, true);
+        environment.mSoundManager->playSound3D (ptr, getUpSoundId(ptr, environment), 1.0, 1.0, false, true);
 
         return boost::shared_ptr<MWWorld::Action> (
             new MWWorld::ActionTake (ptr));
@@ -83,6 +84,61 @@ namespace MWClass
         return ref->base->script;
     }
 
+    std::pair<std::vector<int>, bool> Weapon::getEquipmentSlots (const MWWorld::Ptr& ptr) const
+    {
+        ESMS::LiveCellRef<ESM::Weapon, MWWorld::RefData> *ref =
+            ptr.get<ESM::Weapon>();
+
+        std::vector<int> slots;
+        bool stack = false;
+
+        if (ref->base->data.type==ESM::Weapon::Arrow || ref->base->data.type==ESM::Weapon::Bolt)
+        {
+            slots.push_back (int (MWWorld::InventoryStore::Slot_Ammunition));
+            stack = true;
+        }
+        else if (ref->base->data.type==ESM::Weapon::MarksmanThrown)
+        {
+            slots.push_back (int (MWWorld::InventoryStore::Slot_CarriedRight));
+            stack = true;
+        }
+        else
+            slots.push_back (int (MWWorld::InventoryStore::Slot_CarriedRight));
+
+        return std::make_pair (slots, stack);
+    }
+
+    int Weapon::getEuqipmentSkill (const MWWorld::Ptr& ptr,
+        const MWWorld::Environment& environment) const
+    {
+        ESMS::LiveCellRef<ESM::Weapon, MWWorld::RefData> *ref =
+            ptr.get<ESM::Weapon>();
+
+        const int size = 12;
+
+        static const int sMapping[size][2] =
+        {
+            { ESM::Weapon::ShortBladeOneHand, ESM::Skill::ShortBlade },
+            { ESM::Weapon::LongBladeOneHand, ESM::Skill::LongBlade },
+            { ESM::Weapon::LongBladeTwoHand, ESM::Skill::LongBlade },
+            { ESM::Weapon::BluntOneHand, ESM::Skill::BluntWeapon },
+            { ESM::Weapon::BluntTwoClose, ESM::Skill::BluntWeapon },
+            { ESM::Weapon::BluntTwoWide, ESM::Skill::BluntWeapon },
+            { ESM::Weapon::SpearTwoWide, ESM::Skill::Spear },
+            { ESM::Weapon::AxeOneHand, ESM::Skill::Axe },
+            { ESM::Weapon::AxeTwoHand, ESM::Skill::Axe },
+            { ESM::Weapon::MarksmanBow, ESM::Skill::Marksman },
+            { ESM::Weapon::MarksmanCrossbow, ESM::Skill::Marksman },
+            { ESM::Weapon::MarksmanThrown, ESM::Skill::Marksman }
+        };
+
+        for (int i=0; i<size; ++i)
+            if (sMapping[i][0]==ref->base->data.type)
+                return sMapping[i][1];
+
+        return -1;
+    }
+
     void Weapon::registerSelf()
     {
         boost::shared_ptr<Class> instance (new Weapon);
@@ -90,7 +146,7 @@ namespace MWClass
         registerClass (typeid (ESM::Weapon).name(), instance);
     }
 
-    std::string Weapon::getUpSoundId (const MWWorld::Ptr& ptr) const
+    std::string Weapon::getUpSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const
     {
         ESMS::LiveCellRef<ESM::Weapon, MWWorld::RefData> *ref =
             ptr.get<ESM::Weapon>();
@@ -136,7 +192,7 @@ namespace MWClass
         return std::string("Item Misc Up");
     }
 
-    std::string Weapon::getDownSoundId (const MWWorld::Ptr& ptr) const
+    std::string Weapon::getDownSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const
     {
         ESMS::LiveCellRef<ESM::Weapon, MWWorld::RefData> *ref =
             ptr.get<ESM::Weapon>();
diff --git a/apps/openmw/mwclass/weapon.hpp b/apps/openmw/mwclass/weapon.hpp
index 330dc8d84..b5ccad303 100644
--- a/apps/openmw/mwclass/weapon.hpp
+++ b/apps/openmw/mwclass/weapon.hpp
@@ -31,12 +31,21 @@ namespace MWClass
             virtual std::string getScript (const MWWorld::Ptr& ptr) const;
             ///< Return name of the script attached to ptr
 
+            virtual std::pair<std::vector<int>, bool> getEquipmentSlots (const MWWorld::Ptr& ptr) const;
+            ///< \return first: Return IDs of the slot this object can be equipped in; second: can object
+            /// stay stacked when equipped?
+
+            virtual int getEuqipmentSkill (const MWWorld::Ptr& ptr,
+                const MWWorld::Environment& environment) const;
+            /// Return the index of the skill this item corresponds to when equiopped or -1, if there is
+            /// no such skill.
+
             static void registerSelf();
 
-            virtual std::string getUpSoundId (const MWWorld::Ptr& ptr) const;
+            virtual std::string getUpSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const;
             ///< Return the pick up sound Id
 
-            virtual std::string getDownSoundId (const MWWorld::Ptr& ptr) const;
+            virtual std::string getDownSoundId (const MWWorld::Ptr& ptr, const MWWorld::Environment& environment) const;
             ///< Return the put down sound Id
     };
 }
diff --git a/apps/openmw/mwworld/cells.cpp b/apps/openmw/mwworld/cells.cpp
index 079c888aa..8c657a5c8 100644
--- a/apps/openmw/mwworld/cells.cpp
+++ b/apps/openmw/mwworld/cells.cpp
@@ -5,6 +5,8 @@
 #include <algorithm>
 
 #include "world.hpp"
+#include "class.hpp"
+#include "containerstore.hpp"
 
 MWWorld::Ptr::CellStore *MWWorld::Cells::getCellStore (const ESM::Cell *cell)
 {
@@ -35,6 +37,39 @@ MWWorld::Ptr::CellStore *MWWorld::Cells::getCellStore (const ESM::Cell *cell)
     }
 }
 
+void MWWorld::Cells::fillContainers (Ptr::CellStore& cellStore)
+{
+    for (ESMS::CellRefList<ESM::Container, RefData>::List::iterator iter (
+        cellStore.containers.list.begin());
+        iter!=cellStore.containers.list.end(); ++iter)
+    {
+        Ptr container (&*iter, &cellStore);
+
+        Class::get (container).getContainerStore (container).fill (
+            iter->base->inventory, mStore);
+    }
+
+    for (ESMS::CellRefList<ESM::Creature, RefData>::List::iterator iter (
+        cellStore.creatures.list.begin());
+        iter!=cellStore.creatures.list.end(); ++iter)
+    {
+        Ptr container (&*iter, &cellStore);
+
+        Class::get (container).getContainerStore (container).fill (
+            iter->base->inventory, mStore);
+    }
+
+    for (ESMS::CellRefList<ESM::NPC, RefData>::List::iterator iter (
+        cellStore.npcs.list.begin());
+        iter!=cellStore.npcs.list.end(); ++iter)
+    {
+        Ptr container (&*iter, &cellStore);
+
+        Class::get (container).getContainerStore (container).fill (
+            iter->base->inventory, mStore);
+    }
+}
+
 MWWorld::Cells::Cells (const ESMS::ESMStore& store, ESM::ESMReader& reader, MWWorld::World& world)
 : mStore (store), mReader (reader), mWorld (world) {}
 
@@ -43,6 +78,8 @@ MWWorld::Ptr::CellStore *MWWorld::Cells::getExterior (int x, int y)
     std::map<std::pair<int, int>, Ptr::CellStore>::iterator result =
         mExteriors.find (std::make_pair (x, y));
 
+    bool fill = false;
+
     if (result==mExteriors.end())
     {
         const ESM::Cell *cell = mStore.cells.searchExt (x, y);
@@ -63,11 +100,16 @@ MWWorld::Ptr::CellStore *MWWorld::Cells::getExterior (int x, int y)
 
         result = mExteriors.insert (std::make_pair (
             std::make_pair (x, y), Ptr::CellStore (cell))).first;
+
+        fill = true;
     }
 
     if (result->second.mState!=Ptr::CellStore::State_Loaded)
         result->second.load (mStore, mReader);
 
+    if (fill)
+        fillContainers (result->second);
+
     return &result->second;
 }
 
@@ -75,16 +117,23 @@ MWWorld::Ptr::CellStore *MWWorld::Cells::getInterior (const std::string& name)
 {
     std::map<std::string, Ptr::CellStore>::iterator result = mInteriors.find (name);
 
+    bool fill = false;
+
     if (result==mInteriors.end())
     {
         const ESM::Cell *cell = mStore.cells.findInt (name);
 
         result = mInteriors.insert (std::make_pair (name, Ptr::CellStore (cell))).first;
+
+        fill = true;
     }
 
     if (result->second.mState!=Ptr::CellStore::State_Loaded)
         result->second.load (mStore, mReader);
 
+    if (fill)
+        fillContainers (result->second);
+
     return &result->second;
 }
 
diff --git a/apps/openmw/mwworld/cells.hpp b/apps/openmw/mwworld/cells.hpp
index 0ecbd02d3..42aa1050c 100644
--- a/apps/openmw/mwworld/cells.hpp
+++ b/apps/openmw/mwworld/cells.hpp
@@ -34,6 +34,8 @@ namespace MWWorld
 
             Ptr::CellStore *getCellStore (const ESM::Cell *cell);
 
+            void fillContainers (Ptr::CellStore& cellStore);
+
         public:
 
             Cells (const ESMS::ESMStore& store, ESM::ESMReader& reader, MWWorld::World& world);
diff --git a/apps/openmw/mwworld/class.cpp b/apps/openmw/mwworld/class.cpp
index 6dbde367e..884516529 100644
--- a/apps/openmw/mwworld/class.cpp
+++ b/apps/openmw/mwworld/class.cpp
@@ -77,6 +77,11 @@ namespace MWWorld
         throw std::runtime_error ("class does not have a container store");
     }
 
+    InventoryStore& Class::getInventoryStore (const Ptr& ptr) const
+    {
+        throw std::runtime_error ("class does not have an inventory store");
+    }
+
     void Class::lock (const Ptr& ptr, int lockLevel) const
     {
         throw std::runtime_error ("class does not support locking");
@@ -122,6 +127,16 @@ namespace MWWorld
         return Ogre::Vector3 (0, 0, 0);
     }
 
+    std::pair<std::vector<int>, bool> Class::getEquipmentSlots (const Ptr& ptr) const
+    {
+        return std::make_pair (std::vector<int>(), false);
+    }
+
+    int Class::getEuqipmentSkill (const Ptr& ptr, const Environment& environment) const
+    {
+        return -1;
+    }
+
     const Class& Class::get (const std::string& key)
     {
         std::map<std::string, boost::shared_ptr<Class> >::const_iterator iter = sClasses.find (key);
@@ -142,18 +157,13 @@ namespace MWWorld
         sClasses.insert (std::make_pair (key, instance));
     }
 
-    std::string Class::getUpSoundId (const Ptr& ptr) const
+    std::string Class::getUpSoundId (const Ptr& ptr, const MWWorld::Environment& environment) const
     {
         throw std::runtime_error ("class does not have an up sound");
     }
 
-    std::string Class::getDownSoundId (const Ptr& ptr) const
+    std::string Class::getDownSoundId (const Ptr& ptr, const MWWorld::Environment& environment) const
     {
         throw std::runtime_error ("class does not have an down sound");
     }
-
-    int Class::getWeightCategory (const MWWorld::Ptr& ptr)
-    {
-        throw std::runtime_error ("class does not have an weight");
-    }
 }
diff --git a/apps/openmw/mwworld/class.hpp b/apps/openmw/mwworld/class.hpp
index 3e0a91824..ad0fb8d6d 100644
--- a/apps/openmw/mwworld/class.hpp
+++ b/apps/openmw/mwworld/class.hpp
@@ -3,6 +3,7 @@
 
 #include <map>
 #include <string>
+#include <vector>
 
 #include <boost/shared_ptr.hpp>
 
@@ -34,6 +35,7 @@ namespace MWWorld
     class Ptr;
     class Environment;
     class ContainerStore;
+    class InventoryStore;
 
     /// \brief Base class for referenceable esm records
     class Class
@@ -108,6 +110,10 @@ namespace MWWorld
             ///< Return container store or throw an exception, if class does not have a
             /// container store (default implementation: throw an exceoption)
 
+            virtual InventoryStore& getInventoryStore (const Ptr& ptr) const;
+            ///< Return inventory store or throw an exception, if class does not have a
+            /// inventory store (default implementation: throw an exceoption)
+
             virtual void lock (const Ptr& ptr, int lockLevel) const;
             ///< Lock object (default implementation: throw an exception)
 
@@ -137,6 +143,18 @@ namespace MWWorld
             ///< Return desired movement vector (determined based on movement settings,
             /// stance and stats).
 
+            virtual std::pair<std::vector<int>, bool> getEquipmentSlots (const Ptr& ptr) const;
+            ///< \return first: Return IDs of the slot this object can be equipped in; second: can object
+            /// stay stacked when equipped?
+            ///
+            /// Default implementation: return (empty vector, false).
+
+            virtual int getEuqipmentSkill (const Ptr& ptr, const Environment& environment)
+                const;
+            /// Return the index of the skill this item corresponds to when equiopped or -1, if there is
+            /// no such skill.
+            /// (default implementation: return -1)
+
             static const Class& get (const std::string& key);
             ///< If there is no class for this \a key, an exception is thrown.
 
@@ -145,17 +163,13 @@ namespace MWWorld
 
             static void registerClass (const std::string& key,  boost::shared_ptr<Class> instance);
 
-            virtual std::string getUpSoundId (const Ptr& ptr) const;
+            virtual std::string getUpSoundId (const Ptr& ptr, const MWWorld::Environment& environment) const;
             ///< Return the up sound ID of \a ptr or throw an exception, if class does not support ID retrieval
             /// (default implementation: throw an exception)
 
-            virtual std::string getDownSoundId (const Ptr& ptr) const;
+            virtual std::string getDownSoundId (const Ptr& ptr, const MWWorld::Environment& environment) const;
             ///< Return the down sound ID of \a ptr or throw an exception, if class does not support ID retrieval
             /// (default implementation: throw an exception)
-
-            virtual  int getWeightCategory (const MWWorld::Ptr& ptr);
-            ///< Return the weight category of armors light/medium/heavy
-            /// (default implementation: throw an exception)
     };
 }
 
diff --git a/apps/openmw/mwworld/containerstore.cpp b/apps/openmw/mwworld/containerstore.cpp
index 54908deec..c498cabce 100644
--- a/apps/openmw/mwworld/containerstore.cpp
+++ b/apps/openmw/mwworld/containerstore.cpp
@@ -5,6 +5,12 @@
 #include <typeinfo>
 #include <stdexcept>
 
+#include <components/esm/loadcont.hpp>
+
+#include "manualref.hpp"
+
+MWWorld::ContainerStore::~ContainerStore() {}
+
 MWWorld::ContainerStoreIterator MWWorld::ContainerStore::begin (int mask)
 {
     return ContainerStoreIterator (mask, this);
@@ -17,7 +23,7 @@ MWWorld::ContainerStoreIterator MWWorld::ContainerStore::end()
 
 void MWWorld::ContainerStore::add (const Ptr& ptr)
 {
-    /// \todo implement item stocking
+    /// \todo implement item stacking
 
     switch (getType (ptr))
     {
@@ -36,6 +42,40 @@ void MWWorld::ContainerStore::add (const Ptr& ptr)
     }
 }
 
+void MWWorld::ContainerStore::fill (const ESM::InventoryList& items, const ESMS::ESMStore& store)
+{
+    for (std::vector<ESM::ContItem>::const_iterator iter (items.list.begin()); iter!=items.list.end();
+        ++iter)
+    {
+        ManualRef ref (store, iter->item.toString());
+
+        if (ref.getPtr().getTypeName()==typeid (ESM::ItemLevList).name())
+        {
+            /// \todo implement leveled item lists
+            continue;
+        }
+
+        ref.getPtr().getRefData().setCount (iter->count);
+        add (ref.getPtr());
+    }
+}
+
+void MWWorld::ContainerStore::clear()
+{
+    potions.list.clear();
+    appas.list.clear();
+    armors.list.clear();
+    books.list.clear();
+    clothes.list.clear();
+    ingreds.list.clear();
+    lights.list.clear();
+    lockpicks.list.clear();
+    miscItems.list.clear();
+    probes.list.clear();
+    repairs.list.clear();
+    weapons.list.clear();
+}
+
 int MWWorld::ContainerStore::getType (const Ptr& ptr)
 {
     if (ptr.isEmpty())
@@ -331,6 +371,11 @@ int MWWorld::ContainerStoreIterator::getType() const
     return mType;
 }
 
+const MWWorld::ContainerStore *MWWorld::ContainerStoreIterator::getContainerStore() const
+{
+    return mContainer;
+}
+
 bool MWWorld::operator== (const ContainerStoreIterator& left, const ContainerStoreIterator& right)
 {
     return left.isEqual (right);
diff --git a/apps/openmw/mwworld/containerstore.hpp b/apps/openmw/mwworld/containerstore.hpp
index 7263245f3..69e5ba446 100644
--- a/apps/openmw/mwworld/containerstore.hpp
+++ b/apps/openmw/mwworld/containerstore.hpp
@@ -1,11 +1,18 @@
 #ifndef GAME_MWWORLD_CONTAINERSTORE_H
 #define GAME_MWWORLD_CONTAINERSTORE_H
 
+#include <iterator>
+
 #include <components/esm_store/cell_store.hpp>
 
 #include "refdata.hpp"
 #include "ptr.hpp"
 
+namespace ESM
+{
+    struct InventoryList;
+}
+
 namespace MWWorld
 {
     class ContainerStoreIterator;
@@ -48,6 +55,8 @@ namespace MWWorld
 
         public:
 
+            virtual ~ContainerStore();
+
             ContainerStoreIterator begin (int mask = Type_All);
 
             ContainerStoreIterator end();
@@ -60,6 +69,12 @@ namespace MWWorld
             /// \attention Do not add items to an existing stack by increasing the count instead of
             /// calling this function!
 
+            void fill (const ESM::InventoryList& items, const ESMS::ESMStore& store);
+            ///< Insert items into *this.
+
+            void clear();
+            ///< Empty container.
+
             static int getType (const Ptr& ptr);
             ///< This function throws an exception, if ptr does not point to an object, that can be
             /// put into a container.
@@ -71,6 +86,7 @@ namespace MWWorld
     ///
     /// \note The iterator will automatically skip over deleted objects.
     class ContainerStoreIterator
+        : public std::iterator<std::forward_iterator_tag, Ptr, std::ptrdiff_t, Ptr *, Ptr&>
     {
             int mType;
             int mMask;
@@ -126,6 +142,8 @@ namespace MWWorld
 
             int getType() const;
 
+            const ContainerStore *getContainerStore() const;
+
         friend class ContainerStore;
     };
 
diff --git a/apps/openmw/mwworld/inventorystore.cpp b/apps/openmw/mwworld/inventorystore.cpp
new file mode 100644
index 000000000..264be7bb3
--- /dev/null
+++ b/apps/openmw/mwworld/inventorystore.cpp
@@ -0,0 +1,86 @@
+
+#include "inventorystore.hpp"
+
+#include <iterator>
+#include <algorithm>
+
+#include "class.hpp"
+
+void MWWorld::InventoryStore::copySlots (const InventoryStore& store)
+{
+    // some const-trickery, required because of a flaw in the handling of MW-references and the
+    // resulting workarounds
+    for (std::vector<ContainerStoreIterator>::const_iterator iter (
+        const_cast<InventoryStore&> (store).mSlots.begin());
+        iter!=const_cast<InventoryStore&> (store).mSlots.end(); ++iter)
+    {
+        std::size_t distance = std::distance (const_cast<InventoryStore&> (store).begin(), *iter);
+
+        ContainerStoreIterator slot = begin();
+
+        std::advance (slot, distance);
+
+        mSlots.push_back (slot);
+    }
+}
+
+MWWorld::InventoryStore::InventoryStore()
+{
+    for (int i=0; i<Slots; ++i)
+        mSlots.push_back (end());
+}
+
+MWWorld::InventoryStore::InventoryStore (const InventoryStore& store)
+: ContainerStore (store)
+{
+    copySlots (store);
+}
+
+MWWorld::InventoryStore& MWWorld::InventoryStore::operator= (const InventoryStore& store)
+{
+    ContainerStore::operator= (store);
+    mSlots.clear();
+    copySlots (store);
+    return *this;
+}
+
+void MWWorld::InventoryStore::equip (int slot, const ContainerStoreIterator& iterator)
+{
+    if (slot<0 || slot>=static_cast<int> (mSlots.size()))
+        throw std::runtime_error ("slot number out of range");
+
+    if (iterator.getContainerStore()!=this)
+        throw std::runtime_error ("attempt to equip an item that is not in the inventory");
+
+    if (iterator!=end())
+    {
+        std::pair<std::vector<int>, bool> slots = Class::get (*iterator).getEquipmentSlots (*iterator);
+
+        if (std::find (slots.first.begin(), slots.first.end(), slot)==slots.first.end())
+            throw std::runtime_error ("invalid slot");
+    }
+
+    /// \todo restack item previously in this slot (if required)
+
+    /// \todo unstack item pointed to by iterator if required)
+
+    mSlots[slot] = iterator;
+}
+
+MWWorld::ContainerStoreIterator MWWorld::InventoryStore::getSlot (int slot)
+{
+    if (slot<0 || slot>=static_cast<int> (mSlots.size()))
+        throw std::runtime_error ("slot number out of range");
+
+    if (mSlots[slot]==end())
+        return end();
+
+    if (mSlots[slot]->getRefData().getCount()<1)
+    {
+        // object has been deleted
+        mSlots[slot] = end();
+        return end();
+    }
+
+    return mSlots[slot];
+}
diff --git a/apps/openmw/mwworld/inventorystore.hpp b/apps/openmw/mwworld/inventorystore.hpp
new file mode 100644
index 000000000..c41f9e8e3
--- /dev/null
+++ b/apps/openmw/mwworld/inventorystore.hpp
@@ -0,0 +1,58 @@
+#ifndef GAME_MWWORLD_INVENTORYSTORE_H
+#define GAME_MWWORLD_INVENTORYSTORE_H
+
+#include "containerstore.hpp"
+
+namespace MWWorld
+{
+    ///< \brief Variant of the ContainerStore for NPCs
+    class InventoryStore : public ContainerStore
+    {
+        public:
+
+            static const int Slot_Helmet = 0;
+            static const int Slot_Cuirass = 1;
+            static const int Slot_Greaves = 2;
+            static const int Slot_LeftPauldron = 3;
+            static const int Slot_RightPauldron = 4;
+            static const int Slot_LeftGauntlet = 5;
+            static const int Slot_RightGauntlet = 6;
+            static const int Slot_Boots = 7;
+            static const int Slot_Shirt = 8;
+            static const int Slot_Pants = 9;
+            static const int Slot_Skirt = 10;
+            static const int Slot_Robe = 11;
+            static const int Slot_LeftRing = 12;
+            static const int Slot_RightRing = 13;
+            static const int Slot_Amulet = 14;
+            static const int Slot_Belt = 15;
+            static const int Slot_CarriedRight = 16;
+            static const int Slot_CarriedLeft = 17;
+            static const int Slot_Ammunition = 18;
+
+            static const int Slots = 19;
+
+            static const int Slot_NoSlot = -1;
+
+        private:
+
+            mutable std::vector<ContainerStoreIterator> mSlots;
+
+            void copySlots (const InventoryStore& store);
+
+        public:
+
+            InventoryStore();
+
+            InventoryStore (const InventoryStore& store);
+
+            InventoryStore& operator= (const InventoryStore& store);
+
+            void equip (int slot, const ContainerStoreIterator& iterator);
+            ///< \note \a iteartor can be an end-iterator
+
+            ContainerStoreIterator getSlot (int slot);
+    };
+}
+
+#endif
diff --git a/apps/openmw/mwworld/weather.cpp b/apps/openmw/mwworld/weather.cpp
index eadd4b353..eab1197c5 100644
--- a/apps/openmw/mwworld/weather.cpp
+++ b/apps/openmw/mwworld/weather.cpp
@@ -488,7 +488,10 @@ WeatherResult WeatherManager::transition(float factor)
 void WeatherManager::update(float duration)
 {
     mWeatherUpdateTime -= duration;
-    if (mEnvironment->mWorld->isCellExterior() || mEnvironment->mWorld->isCellQuasiExterior())
+
+    bool exterior = (mEnvironment->mWorld->isCellExterior() || mEnvironment->mWorld->isCellQuasiExterior());
+    
+    if (exterior)
     {
         std::string regionstr = mEnvironment->mWorld->getPlayer().getPlayer().getCell()->cell->region;
         boost::algorithm::to_lower(regionstr);
@@ -663,7 +666,7 @@ void WeatherManager::update(float duration)
             mRendering->getSkyManager()->secundaDisable();
         }
         
-        if (mCurrentWeather == "thunderstorm" && mNextWeather == "")
+        if (mCurrentWeather == "thunderstorm" && mNextWeather == "" && exterior)
         {
             if (mThunderFlash > 0)
             {
@@ -725,6 +728,7 @@ void WeatherManager::update(float duration)
 
     // play sounds
     std::string ambientSnd = (mNextWeather == "" ? mWeatherSettings[mCurrentWeather].mAmbientLoopSoundID : "");
+    if (!exterior) ambientSnd = "";
     if (ambientSnd != "")
     {
         if (std::find(mSoundsPlaying.begin(), mSoundsPlaying.end(), ambientSnd) == mSoundsPlaying.end())
@@ -735,6 +739,7 @@ void WeatherManager::update(float duration)
     }
 
     std::string rainSnd = (mNextWeather == "" ? mWeatherSettings[mCurrentWeather].mRainLoopSoundID : "");
+    if (!exterior) rainSnd = "";
     if (rainSnd != "")
     {
         if (std::find(mSoundsPlaying.begin(), mSoundsPlaying.end(), rainSnd) == mSoundsPlaying.end())