fCraft.ZoneCommands.ZoneAddCallback C# (CSharp) Method

        private static void ZoneAddCallback( Player player, Vector3I[] marks, object tag )
        {
            World playerWorld = player.World;
            if ( playerWorld == null )
                PlayerOpException.ThrowNoWorld( player );

            if ( !player.Info.Rank.AllowSecurityCircumvention ) {
                SecurityCheckResult buildCheck = playerWorld.BuildSecurity.CheckDetailed( player.Info );
                switch ( buildCheck ) {
                    case SecurityCheckResult.BlackListed:
                        player.Message( "Cannot add zones to world {0}&S: You are barred from building here.",
                                        playerWorld.ClassyName );
                        return;

                    case SecurityCheckResult.RankTooLow:
                        player.Message( "Cannot add zones to world {0}&S: You are not allowed to build here.",
                                        playerWorld.ClassyName );
                        return;
                    //case SecurityCheckResult.RankTooHigh:
                }
            }

            Zone zone = ( Zone )tag;
            var zones = player.WorldMap.Zones;
            lock ( zones.SyncRoot ) {
                Zone dupeZone = zones.FindExact( zone.Name );
                if ( dupeZone != null ) {
                    player.Message( "A zone named \"{0}\" has just been created by {1}",
                                    dupeZone.Name, dupeZone.CreatedBy );
                    return;
                }

                zone.Create( new BoundingBox( marks[0], marks[1] ), player.Info );

                player.Message( "Zone \"{0}\" created, {1} blocks total.",
                                zone.Name, zone.Bounds.Volume );
                Logger.Log( LogType.UserActivity,
                            "Player {0} created a new zone \"{1}\" containing {2} blocks.",
                            player.Name,
                            zone.Name,
                            zone.Bounds.Volume );

                zones.Add( zone );
            }
        }