fCraft.WorldCommands.WorldMain C# (CSharp) Method

        internal static void WorldMain( Player player, Command cmd ) {
            string worldName = cmd.Next();
            if( worldName == null ) {
                player.Message( "Main world is {0}", WorldManager.MainWorld.GetClassyName() );
                return;
            }

            World world = WorldManager.FindWorldOrPrintMatches( player, worldName );
            if( world == null ) {
                return;

            } else if( world == WorldManager.MainWorld ) {
                player.Message( "World {0}&S is already set as main.", world.GetClassyName() );

            } else if( !player.Info.Rank.AllowSecurityCircumvention && !player.CanJoin( world ) ) {
                // Prevent players from exploiting /wmain to gain access to restricted maps
                switch( world.AccessSecurity.CheckDetailed( player.Info ) ) {
                    case SecurityCheckResult.RankTooHigh:
                    case SecurityCheckResult.RankTooLow:
                        player.Message( "You are not allowed to set {0}&S as the main world (by rank).", world.GetClassyName() );
                        return;
                    case SecurityCheckResult.BlackListed:
                        player.Message( "You are not allowed to set {0}&S as the main world (blacklisted).", world.GetClassyName() );
                        return;
                }

            } else {
                if( world.AccessSecurity.HasRestrictions() ) {
                    world.AccessSecurity.Reset();
                    player.Message( "The main world cannot have access restrictions. " +
                                    "All access restrictions were removed from world {0}",
                                    world.GetClassyName() );
                }

                if( !world.SetMainWorld() ) {
                    player.Message( "Main world was not changed." );
                    return;
                }
                WorldManager.SaveWorldList();

                Server.SendToAll( "{0}&S set {1}&S to be the main world.",
                                  player.GetClassyName(), world.GetClassyName() );
                Logger.Log( "{0} set {1} to be the main world.", LogType.UserActivity,
                            player.Name, world.Name );
            }
        }