public void SetPiece(CellID target, EConnectFourCellContent content)
{
EConnectFourCellContent oldContent = _cells[target].Content;
_cells[target].SetContent(content);
CellStatusChanged(this, new CellStatusChangedEventArgs(target, content, oldContent));
}
private bool VerticalWin()
{
for (int col = 0; col < _board.NumCols; col++)
{
int matchCounter = 0;
for (int row = _board.NumRows - 1; row >= 0; row--)
{
if (_board.GetCell(CellID.Create(row, col)).Content == playerToContent(ActivePlayer))
{
matchCounter++;
}
else
{
matchCounter = 0;
}
if (matchCounter == 4)
{
Console.WriteLine("VERTICALWIN");
return(true);
}
}
}
return(false);
}
public CellID SetPieceToEmpty(int row, int col)
{
var cellid = CellID.Create(row, col);
SetPiece(cellid, EConnectFourCellContent.Empty);
return(cellid);
throw new InvalidOperationException();
}
private CellID getLowestEmptyRowOfCol(int col)
{
for (int row = NumRows - 1; row >= 0; row--)
{
var cellid = CellID.Create(row, col);
if (_cells[cellid].Content == EConnectFourCellContent.Empty)
{
return(cellid);
}
}
throw new ColFullException(col);
}
public bool IsValidMove(CellID target)
{
try
{
if (getLowestEmptyRowOfCol(target.Col).GetType().Name == "CellID")
{
return(true);
}
}
catch (ColFullException ex)
{
return(false);
}
return(false);
}
public void SetPiece(CellID target)
{
if (!IsValidMove(target))
{
return;
}
var targetCell = _board.GetCell(target);
var cellid = _board.SetPiece(target.Row, target.Col, playerToContent(ActivePlayer));
if (isGameFinished(cellid))
{
GameFinished(this, new GameEndedEventArgs(ActivePlayer));
}
nextTurn();
}
private CellID keyFor(int row, int col)
{
return(CellID.Create(row, col));
}
public FourConnectCellModel GetCell(CellID cellId)
{
return(_cells[cellId]);
}
private bool isGameFinished(CellID target)
{
return(HorizontalWin() || VerticalWin() || DiagonalWin());
}
public bool IsValidMove(CellID target)
{
return(_board.IsValidMove(target));
}
private bool DiagonalWin()
/*
* 4
* _______ 5
* | O O O O O O O
* 3 | O O O O O O O
* | O O O O O O O
*
* | O O O O O O O
* 2 | O O O O O O O
* | O O O O O O O
* ______
* 1 6
*
*
*/
{
//1
for (int col = 0; col + 4 < _board.NumCols; col++)
{
int row = _board.NumRows - 1;
int counter = 0;
for (int diagCol = col; row >= 0 && diagCol < _board.NumCols; diagCol++)
{
if (_board.GetCell(CellID.Create(row, diagCol)).Content == playerToContent(ActivePlayer))
{
counter++;
}
else
{
counter = 0;
}
if (counter == 4)
{
Console.WriteLine("DIAGONALWIN 1");
return(true);
}
row--;
}
}
//2
for (int row = _board.NumRows - 1; row - 3 > 0; row--)
{
int col = 0;
int counter = 0;
for (int diagRow = row; diagRow >= 0 && col >= 0; diagRow--)
{
if (_board.GetCell(CellID.Create(diagRow, col)).Content == playerToContent(ActivePlayer))
{
counter++;
}
else
{
counter = 0;
}
if (counter == 4)
{
Console.WriteLine("DIAGONALWIN 2");
return(true);
}
col++;
}
}
//3
for (int row = 0; row + 3 < _board.NumRows; row++)
{
int col = 0;
int counter = 0;
for (int diagRow = row; diagRow < _board.NumRows && col < _board.NumCols; diagRow++)
{
if (_board.GetCell(CellID.Create(diagRow, col)).Content == playerToContent(ActivePlayer))
{
counter++;
}
else
{
counter = 0;
}
if (counter == 4)
{
Console.WriteLine("DIAGONALWIN 3");
return(true);
}
col++;
}
}
//4
for (int col = 0; col + 4 < _board.NumCols; col++)
{
int row = 0;
int counter = 0;
for (int diagCol = col; row < _board.NumRows && diagCol < _board.NumCols; diagCol++)
{
if (_board.GetCell(CellID.Create(row, diagCol)).Content == playerToContent(ActivePlayer))
{
counter++;
}
else
{
counter = 0;
}
if (counter == 4)
{
Console.WriteLine("DIAGONALWIN 4");
return(true);
}
row++;
}
}
//5
var leftOverCol = _board.NumCols / 2;
var topRow = 0;
var lastCounter = 0;
for (int topCol = leftOverCol; topCol < _board.NumCols; topCol++)
{
if (_board.GetCell(CellID.Create(topRow, topCol)).Content == playerToContent(ActivePlayer))
{
lastCounter++;
}
else
{
lastCounter = 0;
}
if (lastCounter == 4)
{
Console.WriteLine("DIAGONALWIN 5");
return(true);
}
topRow++;
}
var bottomRow = _board.NumRows - 1;
lastCounter = 0;
for (int bottomCol = leftOverCol; bottomCol < _board.NumCols; bottomCol++)
{
if (_board.GetCell(CellID.Create(bottomRow, bottomCol)).Content == playerToContent(ActivePlayer))
{
lastCounter++;
}
else
{
lastCounter = 0;
}
if (lastCounter == 4)
{
Console.WriteLine("DIAGONALWIN 6");
return(true);
}
bottomRow--;
}
return(false);
}
