fCraft.DrawCommands.Draw C# (CSharp) Method

        void Draw( Player player, Command command, DrawMode mode ) {
            if( !player.Can( Permissions.Draw ) ) {
                world.NoAccessMessage( player );
                return;
            }
            if( player.drawingInProgress ) {
                player.Message( "Another draw command is already in progress. Please wait." );
                return;
            }
            string blockName = command.Next();
            Block block;
            if( blockName == null || blockName == "" ) {
                if( mode == DrawMode.Cuboid ) {
                    player.Message( "Usage: " + Color.Help + "/cuboid blockName" + Color.Sys + " or " + Color.Help + "/cub blockName" );
                } else {
                    player.Message( "Usage: " + Color.Help + "/ellipsoid blockName" + Color.Sys + " or " + Color.Help + "/ell blockName" );
                }
                return;
            }
            try {
                block = Map.GetBlockByName( blockName );
            } catch( Exception ) {
                player.Message( "Unknown block name: " + blockName );
                return;
            }
            player.tag = block;

            Permissions permission = Permissions.Build;
            switch( block ) {
                case Block.Admincrete: permission = Permissions.PlaceAdmincrete; break;
                case Block.Air: permission = Permissions.Delete; break;
                case Block.Water:
                case Block.StillWater: permission = Permissions.PlaceWater; break;
                case Block.Lava:
                case Block.StillLava: permission = Permissions.PlaceLava; break;
            }
            if( !player.Can( permission ) ) {
                player.Message( "You are not allowed to draw with this block." );
                return;
            }

            player.marksExpected = 2;
            player.markCount = 0;
            player.marks.Clear();
            player.Message( mode.ToString() + ": Place a block or type /mark to use your location." );

            if( mode == DrawMode.Cuboid ) {
                player.selectionCallback = DrawCuboid;
            } else {
                player.selectionCallback = DrawEllipsoid;
            }
        }