public Move(int column, int row, MoveOrientation orientation, string word, Hand hand, Board board)
{
this.Column = column;
this.Row = row;
this.Orientation = orientation;
this.Word = word;
this.Hand = hand;
this.Board = board;
}
private static Tuple <int, int> AdvancePosition(Tuple <int, int> current, MoveOrientation orientation)
{
switch (orientation)
{
case MoveOrientation.HORIZONTAL:
return(new Tuple <int, int>(current.Item1 + 1, current.Item2));
case MoveOrientation.VERTICAL:
return(new Tuple <int, int>(current.Item1, current.Item2 + 1));
default:
throw new ApplicationException("Unkown Orientation.");
}
}
private Tuple <int, int> AdvanceRowColumn(Tuple <int, int> rowColumn, MoveOrientation moveOrientation)
{
switch (moveOrientation)
{
case MoveOrientation.VERTICAL:
return(new Tuple <int, int>(rowColumn.Item1 + 1, rowColumn.Item2));
case MoveOrientation.HORIZONTAL:
return(new Tuple <int, int>(rowColumn.Item1, rowColumn.Item2 + 1));
default:
throw new ApplicationException("Unkown Orientations.");
}
}
private Cell PreviousCell(Cell currentCell, MoveOrientation orientation)
{
switch (orientation)
{
case MoveOrientation.VERTICAL:
if (currentCell.Row <= BOARD_START_INDEX)
{
return(null);
}
return(cells[currentCell.Row - 1][currentCell.Column]);
case MoveOrientation.HORIZONTAL:
if (currentCell.Column <= BOARD_START_INDEX)
{
return(null);
}
return(cells[currentCell.Row][currentCell.Column - 1]);
default:
throw new ApplicationException("Unexpected Orientation");
}
}
private Cell NextCell(Cell currentCell, MoveOrientation orientation)
{
switch (orientation)
{
case MoveOrientation.VERTICAL:
if (currentCell.Row >= BOARD_END_INDEX)
{
return(null);
}
return(cells[currentCell.Row + 1][currentCell.Column]);
case MoveOrientation.HORIZONTAL:
if (currentCell.Column >= BOARD_END_INDEX)
{
return(null);
}
return(cells[currentCell.Row][currentCell.Column + 1]);
default:
throw new ApplicationException("Unexpected Orientation");
}
}
internal string GetWord(MoveOrientation orientation, Cell initialCell, char proposedLetter)
{
Cell startCell;
Cell previousCell = initialCell;
do // Move startCell to first letter in word.
{
startCell = previousCell;
previousCell = PreviousCell(startCell, orientation);
} while (previousCell != null && previousCell.Letter.HasValue);
StringBuilder sb = new StringBuilder();
Cell currentCell = startCell;
while (currentCell != null && (currentCell.Letter.HasValue ||
(currentCell.Column == initialCell.Column && currentCell.Row == initialCell.Row)))
{
sb.Append(currentCell.Letter ?? proposedLetter);
currentCell = NextCell(currentCell, orientation);
}
return(sb.ToString());
}
internal MergedEventArgs(MoveOrientation orientation, int index, (int FromIndex, int ToIndex) movedCellIndexes, int matrixOrder, int mergedValue)
