ESSImport: handle deleted cell references

apps/essimporter/importcellref.cpp

@@ -41,11 +41,9 @@ namespace ESSImport
         mDeleted = 0;
         if (esm.isNextSub("DELE"))
         {
-            int deleted;
+            unsigned int deleted;
             esm.getHT(deleted);
-            // Neither of this seems to work right...
-            //mDeleted = (deleted != 0);
-            //mDeleted = (deleted&0x1);
+            mDeleted = (deleted >> 24) & 0x2; // the other 3 bytes seem to be uninitialized garbage
         }
 
         if (esm.isNextSub("MVRF"))

apps/essimporter/importer.cpp

@@ -105,6 +105,7 @@ namespace ESSImport
         blacklist.insert(std::make_pair("REFR", "DATA")); // player position
         blacklist.insert(std::make_pair("CELL", "NAM8")); // fog of war
         blacklist.insert(std::make_pair("GAME", "GMDT")); // weather data, current time always changes
+        blacklist.insert(std::make_pair("CELL", "DELE")); // first 3 bytes are uninitialized
 
          // this changes way too often, name suggests some renderer internal data?
         blacklist.insert(std::make_pair("CELL", "ND3D"));