void PacketHandlers::HandleNameQuery(Session* sess, SmartPacket& packet)
{
    uint64_t guid = packet.ReadUInt64();

    SmartPacket pkt(SP_NAME_QUERY_RESPONSE);
    pkt.WriteUInt64(guid);

    // object has to exist and be in world
    WorldObject* obj = sObjectAccessor->FindWorldObject(guid);
    if (!obj)
        pkt.WriteUInt8(0); // empty string if not found
    else
        pkt.WriteString(obj->GetName());

    sess->SendPacket(pkt);
}
bool ChatHandler::HandleGPSCommand(const char* args)
{
    WorldObject *obj = NULL;
    if (*args)
    {
        uint64 guid = extractGuidFromLink((char*)args);
        if (guid)
            obj = (WorldObject*)ObjectAccessor::GetObjectByTypeMask(*m_session->GetPlayer(),guid,TYPEMASK_UNIT|TYPEMASK_GAMEOBJECT);

        if (!obj)
        {
            SendSysMessage(LANG_PLAYER_NOT_FOUND);
            SetSentErrorMessage(true);
            return false;
        }
    }
    else
    {
        obj = getSelectedUnit();

        if (!obj)
        {
            SendSysMessage(LANG_SELECT_CHAR_OR_CREATURE);
            SetSentErrorMessage(true);
            return false;
        }
    }
    CellPair cell_val = Trinity::ComputeCellPair(obj->GetPositionX(), obj->GetPositionY());
    Cell cell(cell_val);

    uint32 zone_id, area_id;
    obj->GetZoneAndAreaId(zone_id,area_id);

    MapEntry const* mapEntry = sMapStore.LookupEntry(obj->GetMapId());
    AreaTableEntry const* zoneEntry = GetAreaEntryByAreaID(zone_id);
    AreaTableEntry const* areaEntry = GetAreaEntryByAreaID(area_id);

    float zone_x = obj->GetPositionX();
    float zone_y = obj->GetPositionY();

    Map2ZoneCoordinates(zone_x,zone_y,zone_id);

    Map const *map = obj->GetMap();
    float ground_z = map->GetHeight(obj->GetPositionX(), obj->GetPositionY(), MAX_HEIGHT);
    float floor_z = map->GetHeight(obj->GetPositionX(), obj->GetPositionY(), obj->GetPositionZ());

    GridPair p = Trinity::ComputeGridPair(obj->GetPositionX(), obj->GetPositionY());

    // 63? WHY?
    int gx = 63 - p.x_coord;
    int gy = 63 - p.y_coord;

    uint32 have_map = Map::ExistMap(obj->GetMapId(),gx,gy) ? 1 : 0;
    uint32 have_vmap = Map::ExistVMap(obj->GetMapId(),gx,gy) ? 1 : 0;

    if(have_vmap)
    {
        if(map->IsOutdoors(obj->GetPositionX(), obj->GetPositionY(), obj->GetPositionZ()))
            PSendSysMessage("You are outdoors");
        else
            PSendSysMessage("You are indoors");
    }
    else PSendSysMessage("no VMAP available for area info");

    PSendSysMessage(LANG_MAP_POSITION,
                    obj->GetMapId(), (mapEntry ? mapEntry->name[GetSessionDbcLocale()] : "<unknown>"),
                    zone_id, (zoneEntry ? zoneEntry->area_name[GetSessionDbcLocale()] : "<unknown>"),
                    area_id, (areaEntry ? areaEntry->area_name[GetSessionDbcLocale()] : "<unknown>"),
                    obj->GetPhaseMask(),
                    obj->GetPositionX(), obj->GetPositionY(), obj->GetPositionZ(), obj->GetOrientation(),
                    cell.GridX(), cell.GridY(), cell.CellX(), cell.CellY(), obj->GetInstanceId(),
                    zone_x, zone_y, ground_z, floor_z, have_map, have_vmap);

    sLog->outDebug("Player %s GPS call for %s '%s' (%s: %u):",
                   m_session ? GetNameLink().c_str() : GetTrinityString(LANG_CONSOLE_COMMAND),
                   (obj->GetTypeId() == TYPEID_PLAYER ? "player" : "creature"), obj->GetName(),
                   (obj->GetTypeId() == TYPEID_PLAYER ? "GUID" : "Entry"), (obj->GetTypeId() == TYPEID_PLAYER ? obj->GetGUIDLow(): obj->GetEntry()));
    sLog->outDebug(GetTrinityString(LANG_MAP_POSITION),
                   obj->GetMapId(), (mapEntry ? mapEntry->name[sWorld->GetDefaultDbcLocale()] : "<unknown>"),
                   zone_id, (zoneEntry ? zoneEntry->area_name[sWorld->GetDefaultDbcLocale()] : "<unknown>"),
                   area_id, (areaEntry ? areaEntry->area_name[sWorld->GetDefaultDbcLocale()] : "<unknown>"),
                   obj->GetPhaseMask(),
                   obj->GetPositionX(), obj->GetPositionY(), obj->GetPositionZ(), obj->GetOrientation(),
                   cell.GridX(), cell.GridY(), cell.CellX(), cell.CellY(), obj->GetInstanceId(),
                   zone_x, zone_y, ground_z, floor_z, have_map, have_vmap);

    LiquidData liquid_status;
    ZLiquidStatus res = map->getLiquidStatus(obj->GetPositionX(), obj->GetPositionY(), obj->GetPositionZ(), MAP_ALL_LIQUIDS, &liquid_status);
    if (res)
    {
        PSendSysMessage(LANG_LIQUID_STATUS, liquid_status.level, liquid_status.depth_level, liquid_status.type, res);
    }
    return true;
}