fCraft.FlatfilePlayerDBProvider.LoadBinary C# (CSharp) Method

        internal void LoadBinary() {
            using( PlayerDB.GetWriteLock() ) {
                if( File.Exists( Paths.PlayerDBFileName + ".bin" ) ) {
                    using( FileStream fs = OpenRead( Paths.PlayerDBFileName + ".bin" ) ) {
                        BinaryReader reader = new BinaryReader( fs );
                        int version = reader.ReadInt32();

                        if( version > FormatVersion ) {
                            Logger.Log( LogType.Warning,
                                        "PlayerDB.LoadBinary: Attempting to load unsupported PlayerDB format ({0}). Errors may occur.",
                                        version );
                        } else if( version < FormatVersion ) {
                            Logger.Log( LogType.Warning,
                                        "PlayerDB.LoadBinary: Converting PlayerDB to a newer format (version {0} to {1}).",
                                        version, FormatVersion );
                        }

                        maxID = reader.ReadInt32();

                        int rankCount = reader.ReadInt32();
                        rankMapping = new Dictionary<int, Rank>( rankCount );
                        for( int i = 0; i < rankCount; i++ ) {
                            byte rankIndex = reader.ReadByte();
                            string rankName = reader.ReadString();
                            Rank rank = Rank.Parse( rankName );
                            if( rank == null ) {
                                Logger.Log( LogType.Error,
                                            "PlayerDB.LoadBinary: Could not parse rank: \"{0}\". Assigning rank {1} instead.",
                                            rankName, RankManager.DefaultRank );
                                rank = RankManager.DefaultRank;
                            }
                            rankMapping.Add( rankIndex, rank );
                        }
                        int records = reader.ReadInt32();

                        int emptyRecords = 0;
                        for( int i = 0; i < records; i++ ) {
#if !DEBUG
                                try {
#endif
                            PlayerInfo info = LoadBinaryFormat0( reader );

                            if( info.ID > maxID ) {
                                maxID = info.ID;
                                Logger.Log( LogType.Warning,
                                            "PlayerDB.LoadBinary: Adjusting wrongly saved MaxID ({0} to {1})." );
                            }

                            // A record is considered "empty" if the player has never logged in.
                            // Empty records may be created by /Import, /Ban, and /Rank commands on typos.
                            // Deleting such records should have no negative impact on DB completeness.
                            if( ( info.LastIP.Equals( IPAddress.None ) || info.LastIP.Equals( IPAddress.Any ) ||
                                  info.TimesVisited == 0 ) &&
                                !info.IsBanned && info.Rank == RankManager.DefaultRank ) {

                                Logger.Log( LogType.SystemActivity,
                                            "PlayerDB.LoadBinary: Skipping an empty record for player \"{0}\"",
                                            info.Name );
                                emptyRecords++;
                                continue;
                            }

                            // Check for duplicates. Unless PlayerDB.txt was altered externally, this does not happen.
                            if( trie.ContainsKey( info.Name ) ) {
                                Logger.Log( LogType.Error,
                                            "PlayerDB.LoadBinary: Duplicate record for player \"{0}\" skipped.",
                                            info.Name );
                            } else {
                                trie.Add( info.Name, info );
                            }
#if !DEBUG
                                } catch( Exception ex ) {
                                    Logger.LogAndReportCrash( "Error while parsing PlayerInfo record",
                                                              "fCraft",
                                                              ex,
                                                              false );
                                }
#endif
                        }

                        if( emptyRecords > 0 ) {
                            Logger.Log( LogType.Warning,
                                        "PlayerDB.LoadBinary: Skipped {0} empty records.", emptyRecords );
                        }
                    }
                } else {
                    Logger.Log( LogType.Warning, "PlayerDB.Load: No player DB file found." );
                }
            }
        }