fCraft.BuildingCommands.MarkHandler C# (CSharp) Method

        private static void MarkHandler( Player player, Command cmd )
        {
            Map map = player.WorldMap;
            int x, y, z;
            Vector3I coords;
            if ( cmd.NextInt( out x ) && cmd.NextInt( out y ) && cmd.NextInt( out z ) ) {
                if ( cmd.HasNext ) {
                    CdMark.PrintUsage( player );
                    return;
                }
                coords = new Vector3I( x, y, z );
            } else {
                coords = player.Position.ToBlockCoords();
            }
            coords.X = Math.Min( map.Width - 1, Math.Max( 0, coords.X ) );
            coords.Y = Math.Min( map.Length - 1, Math.Max( 0, coords.Y ) );
            coords.Z = Math.Min( map.Height - 1, Math.Max( 0, coords.Z ) );

            if ( player.SelectionMarksExpected > 0 ) {
                player.SelectionAddMark( coords, true );
            } else {
                player.MessageNow( "Cannot mark - no selection in progress." );
            }
        }