예제 #1
0
        /// <summary>
        /// Tries to get the first available player entity ID.
        /// </summary>

        /// <returns>a non-zero ID if one was available; 0 otheriwse</returns>
        /// <remarks>If an available ID is found, it will be removed from the database.</remarks>
        public static uint GetPlayerEntityId()
        {
            // Lock so someone else doesn't grab the same row
            s_idLock.Enter();

            try
            {
                EntityIdStorage eid = GetFirstRecycledId(ObjectTypeId.Player);

                if (eid == null)
                {
                    if (CharacterRecord.Exists())
                    {
                        if (s_highestPlayerId == 0)
                        {
                            CharacterRecord highestChr =
                                CharacterRecord.FindFirst(new Order("_entityLowId", false));

                            s_highestPlayerId = highestChr.EntityLowId;
                        }
                    }

                    return(++s_highestPlayerId);
                }
                else
                {
                    RemoveRecycledId(eid);

                    return((uint)eid.EntityId);
                }
            }
            catch (Exception ex)
            {
                s_log.ErrorException("couldn't get an entity id", ex);
            }
            finally
            {
                s_idLock.Exit();
            }

            return(0);
        }