Managed to forget the itemmodel.cpp code

apps/openmw/mwgui/itemmodel.cpp

@@ -2,6 +2,8 @@
 
 #include "../mwworld/class.hpp"
 #include "../mwworld/containerstore.hpp"
+#include "../mwworld/store.hpp"
+#include "../mwworld/esmstore.hpp"
 
 #include "../mwbase/world.hpp"
 #include "../mwbase/environment.hpp"
@@ -19,7 +21,37 @@ namespace MWGui
         if (base.getClass().getEnchantment(base) != "")
             mFlags |= Flag_Enchanted;
 
-        if (MWBase::Environment::get().getWorld()->isBoundItemID(base.getCellRef().getRefId()))
+        static std::map<std::string, bool> boundItemIDCache;
+
+        // If this is empty then we haven't executed the GMST cache logic yet; or there isn't any sMagicBound* GMST's for some reason
+        if (boundItemIDCache.empty())
+        {
+            // Build a list of known bound item ID's
+            const MWWorld::Store<ESM::GameSetting> &gameSettings = MWBase::Environment::get().getWorld()->getStore().get<ESM::GameSetting>();
+
+            for (MWWorld::Store<ESM::GameSetting>::iterator currentIteration = gameSettings.begin(); currentIteration != gameSettings.end(); ++currentIteration)
+            {
+                const ESM::GameSetting &currentSetting = *currentIteration;
+                std::string currentGMSTID = currentSetting.mId;
+                Misc::StringUtils::toLower(currentGMSTID);
+
+                // Don't bother checking this GMST if it's not a sMagicBound* one.
+                if (currentGMSTID.find("smagicbound") != 0)
+                    continue;
+
+                // All sMagicBound* GMST's should be of type string
+                std::string currentGMSTValue = currentSetting.getString();
+                Misc::StringUtils::toLower(currentGMSTValue);
+
+                boundItemIDCache[currentGMSTValue] = true;
+            }
+        }
+
+        // Perform bound item check and assign the Flag_Bound bit if it passes
+        std::string tempItemID = base.getCellRef().getRefId();
+        Misc::StringUtils::toLower(tempItemID);
+
+        if (boundItemIDCache.count(tempItemID) != 0)
             mFlags |= Flag_Bound;
     }