diff --git a/src/Client/DefScript/DefScriptBBFunctions.cpp b/src/Client/DefScript/DefScriptBBFunctions.cpp
index 0f70e1e..8ec820f 100644
--- a/src/Client/DefScript/DefScriptBBFunctions.cpp
+++ b/src/Client/DefScript/DefScriptBBFunctions.cpp
@@ -50,6 +50,11 @@ DefReturnResult DefScriptPackage::func_bbappend(CmdSet& Set)
         *bb << Set.defaultarg;
         return true;
     }
+    else if(dtype == "strnz")
+    {
+        bb->append(Set.defaultarg.c_str(), Set.defaultarg.length()); // append the string skipping \0
+        return true;
+    }
 
     BB_MACRO_INSERT(bb, dtype, uint8);
     BB_MACRO_INSERT(bb, dtype, uint16);
@@ -77,6 +82,20 @@ DefReturnResult DefScriptPackage::func_bbread(CmdSet& Set)
         *bb >> g;
         return g;
 	}
+    else if(dtype == "strnz") // extract some amount of bytes not terminated by \0
+    {
+        uint32 bytes = (uint32)toUint64(Set.arg[1]);
+        if(bytes)
+        {
+            std::string g;
+            char *buf = new char[bytes];
+            bb->read((uint8*)buf,bytes);
+            g = buf;
+            delete [] buf;
+            return g;
+        }
+        return "";
+    }
 
     BB_MACRO_EXTRACT_I(bb, dtype, uint8);
     BB_MACRO_EXTRACT_I(bb, dtype, uint16);
diff --git a/src/Client/DefScriptInterface.cpp b/src/Client/DefScriptInterface.cpp
index 6e4dd4f..7977bee 100644
--- a/src/Client/DefScriptInterface.cpp
+++ b/src/Client/DefScriptInterface.cpp
@@ -53,6 +53,8 @@ void DefScriptPackage::_InitDefScriptInterface(void)
     AddFunc("sendworldpacket",&DefScriptPackage::SCSendWorldPacket);
     AddFunc("getopcodename",&DefScriptPackage::SCGetOpcodeName);
     AddFunc("getopcodeid",&DefScriptPackage::SCGetOpcodeID);
+    AddFunc("bbgetpackedguid",&DefScriptPackage::SCBBGetPackedGuid);
+    AddFunc("bbputpackedguid",&DefScriptPackage::SCBBPutPackedGuid);
 }
 
 DefReturnResult DefScriptPackage::SCshdn(CmdSet& Set)
@@ -899,7 +901,61 @@ DefReturnResult DefScriptPackage::SCGetOpcodeName(CmdSet &Set)
     return GetOpcodeName((uint32)DefScriptTools::toUint64(Set.defaultarg));
 }
 
+DefReturnResult DefScriptPackage::SCBBGetPackedGuid(CmdSet &Set)
+{
+    ByteBuffer *bb = bytebuffers.GetNoCreate(_NormalizeVarName(Set.defaultarg,Set.myname));
+    if (!bb)
+        return false;
 
+    if (bb->size() - bb->rpos() < sizeof(uint8))
+        return false;
+
+    uint8 mask;
+    *bb >> mask;
+    uint64 guid=0;
+    for(uint8 i=0;i<8;i++)
+    {
+        if(mask & (1<<i) )
+        {
+            if (bb->size() - bb->rpos() < sizeof(uint8))
+                return false;
+
+            *bb >> ((uint8*)&guid)[i];
+        }
+    }
+
+    return toString(guid);
+}
+
+DefReturnResult DefScriptPackage::SCBBPutPackedGuid(CmdSet &Set)
+{
+    ByteBuffer *bb = bytebuffers.Get(_NormalizeVarName(Set.arg[0],Set.myname));
+    
+    uint64 guid = DefScriptTools::toUint64(Set.defaultarg);
+    if (!guid) // fast check if guid is empty (in this case mask must be 0 with no extra data)
+    {
+        *bb << uint8(0);
+        return false;
+    }
+
+    ByteBuffer bbmask;
+    uint8 mask = 0;
+
+    for(uint8 i = 0; i < 8; i++)
+    {
+        if(guid & 0xFF)
+        {
+            mask |= (1<<i);
+            bbmask << ((uint8)(guid & 0xFF));
+        }
+        guid >>= 8;
+    }
+
+    *bb << mask;
+    bb->append(bbmask);
+
+    return true;
+}
 
 void DefScriptPackage::My_LoadUserPermissions(VarSet &vs)
 {
@@ -973,3 +1029,4 @@ void DefScriptPackage::My_Run(std::string line, std::string username)
 
 
 
+
diff --git a/src/Client/DefScriptInterfaceInclude.h b/src/Client/DefScriptInterfaceInclude.h
index c03e81a..666a316 100644
--- a/src/Client/DefScriptInterfaceInclude.h
+++ b/src/Client/DefScriptInterfaceInclude.h
@@ -44,5 +44,7 @@ DefReturnResult SCGetClass(CmdSet&);
 DefReturnResult SCSendWorldPacket(CmdSet&);
 DefReturnResult SCGetOpcodeName(CmdSet&);
 DefReturnResult SCGetOpcodeID(CmdSet&);
+DefReturnResult SCBBGetPackedGuid(CmdSet&);
+DefReturnResult SCBBPutPackedGuid(CmdSet&);
 
-#endif
\ No newline at end of file
+#endif