public void PieceClicked(int x, int y)
{
//If a winning play has already been made, don't do anything.
if (WinningPlay != null)
{
return;
}
GamePiece clickedSpace = Board[x, y];
//The piece must "fall" to the lowest unoccupied space in the clicked column
if (clickedSpace.Color == PieceColor.Blank)
{
while (y < 5)
{
GamePiece nextSpace = Board[x, y + 1];
y = y + 1;
if (nextSpace.Color == PieceColor.Blank)
{
clickedSpace = nextSpace;
}
}
clickedSpace.Color = CurrentTurn;
}
//After every move, check to see if that move was a winning move.
WinningPlay = GetWinner();
if (WinningPlay == null)
{
SwitchTurns();
}
}
private WinningPlay GetWinner()
{
WinningPlay winningPlay = null;
for (int i = 0; i < 7; i++)
{
for (int j = 0; j < 6; j++)
{
winningPlay = EvaluatePieceForWinner(i, j, EvaluationDirection.Up);
if (winningPlay != null)
{
return(winningPlay);
}
winningPlay = EvaluatePieceForWinner(i, j, EvaluationDirection.UpRight);
if (winningPlay != null)
{
return(winningPlay);
}
winningPlay = EvaluatePieceForWinner(i, j, EvaluationDirection.Right);
if (winningPlay != null)
{
return(winningPlay);
}
winningPlay = EvaluatePieceForWinner(i, j, EvaluationDirection.DownRight);
if (winningPlay != null)
{
return(winningPlay);
}
}
}
return(winningPlay);
}
public void Reset()
{
Board = new GamePiece[7, 6];
//Populate the Board with blank pieces
for (int i = 0; i <= 6; i++)
{
for (int j = 0; j <= 5; j++)
{
Board[i, j] = new GamePiece(PieceColor.Blank);
}
}
CurrentTurn = PieceColor.Red;
WinningPlay = null;
}