private void ChessTable_Load(object sender, System.EventArgs e)
{
int boxWidth = (Width - 0) / 8 - 8; // 0 is there for spacing between boxes
int boxHeight = (Height - 0) / 8 - 8;
Color currentAltColor = BlackBackgroundColor;
bool alt = false;
for (int i = 7; i >= 0; i--)
{
for (int j = 0; j < 8; j++)
{
if (alt)
{
currentAltColor = WhiteBackgroundColor;
alt = false; //Change alternance
}
else
{
currentAltColor = BlackBackgroundColor;
alt = true; //Change alternance
}
squares[i, j] = new ChessTableSquare(currentAltColor, SelectedColor, new DummyPiece(new PiecePosition((EColumn)(i + 1), j + 1))) //Create new square, initialise it with a blank piece
{
Location = new Point(i * boxWidth + (i + 1) * 2, j * boxHeight + (j + 1) * 2), // Calculate it's location
Size = new Size(boxWidth, boxHeight) // Use the precalculated size
}; //Object initialiser
squares[i, j].Enabled = Enabled; // Set enabled status
squares[i, j].MouseDown += ChessTableSquare_MouseDown; //Register to click event
this.Controls.Add(squares[i, j]); //Add to the control
}
alt = !alt; // Change alternance for new row
}
}
private void AttemptMove(ChessTableSquare from, ChessTableSquare to, bool ignoreRules)
{
if (from.RepresentedPiece.Position.Equals(to.RepresentedPiece.Position))
{
throw new IllegalMoveException(to.RepresentedPiece, "You can't move on the same space");
}
PiecePosition toPosition = new PiecePosition(to.RepresentedPiece.Position);
PiecePosition fromPosition = new PiecePosition(from.RepresentedPiece.Position);
System.Diagnostics.Debug.WriteLine(squares[(int)to.RepresentedPiece.Position.Column - 1, to.RepresentedPiece.Position.Row - 1].RepresentedPiece.ToString() + "\n" + squares[(int)from.RepresentedPiece.Position.Column - 1, from.RepresentedPiece.Position.Row - 1].RepresentedPiece.ToString());
//If there is another piece there not owned by player1
if (!ignoreRules && to.RepresentedPiece.Owner.Equals(Player1.Owner))
{
MessageBox.Show("You can not move over your own pieces");
return;
}
//If it's players turn
if (false)
{
throw new IllegalMoveException(to.RepresentedPiece, "It's not your turn");
}
//If the move is even permitted, move
if (!from.RepresentedPiece.Move(to.RepresentedPiece.Position, squares))
{
throw new IllegalMoveException(from.RepresentedPiece, String.Format("Can not move from {0} to {1}", from.RepresentedPiece.Position.ToString(), to.RepresentedPiece.Position.ToString()));
}
//If it got to this point notify player2 of what happened
// TODO: "from" and "to" are the same when are being accesed outside
// NOTE: OnPieceMoved is called when forcibly moved by opponent
OnPieceMoved?.Invoke(this, new PieceMovedEventArgs(from.RepresentedPiece, to.RepresentedPiece, fromPosition, toPosition));
//If player2 has pieces there, take them out of the board,in this case, just raise event
if (to.RepresentedPiece.Owner != from.RepresentedPiece.Owner)
{
OnPieceLost?.Invoke(this, new PieceLostEventArgs(from.RepresentedPiece, to.RepresentedPiece, fromPosition, toPosition));
}
if (to.RepresentedPiece.Type == PieceTypes.King)
{
OnKingLost?.Invoke(this, new PieceLostEventArgs(to.RepresentedPiece));
}
//If move was succesful then move graphically
if (to.RepresentedPiece is DummyPiece)
{
to.RepresentedPiece.Dispose();
}
squares[(int)toPosition.Column - 1, toPosition.Row - 1].RepresentedPiece = from.RepresentedPiece;
from.Selected = false;
userHasSelected = false;
lastSelectedSquare = null;
squares[(int)fromPosition.Column - 1, fromPosition.Row - 1].RepresentedPiece = new DummyPiece(fromPosition);
}
private void AttemptMove(ChessTableSquare from, ChessTableSquare to)
{
try
{
AttemptMove(from, to, true);
}
catch (IllegalMoveException ex)
{
MessageBox.Show(ex.Message);
}
}
private void ChessTable_EnabledChanged(object sender, EventArgs e)
{
for (int i = 0; i < 8; i++)
{
for (int j = 0; j < 8; j++)
{
squares[i, j].Enabled = Enabled;
squares[i, j].Selected = false;
squares[i, j].Invalidate();
}
}
Invalidate();
userHasSelected = false;
lastSelectedSquare = null;
}
private void ChessTableSquare_MouseDown(object sender, MouseEventArgs e)
{
if (!Enabled)
{
return;
}
ChessTableSquare instance = sender as ChessTableSquare;
if (instance.Selected)
{
instance.Selected = false;
userHasSelected = false;
lastSelectedSquare = null;
}
else
{
if (userHasSelected)
{
if (Player1.CanMove)
{
AttemptMove(lastSelectedSquare, instance);
}
else
{
MessageBox.Show("It's not your turn");
lastSelectedSquare.Selected = false;
lastSelectedSquare = null;
userHasSelected = false;
}
}
else
{
if (!instance.IsEmpty && (instance.RepresentedPiece.Owner.Equals(Player1.Owner)))
{
instance.Selected = true;
userHasSelected = true;
lastSelectedSquare = instance;
}
}
}
}
public ChessTable()
{
InitializeComponent();
squares = new ChessTableSquare[8, 8];
userHasSelected = false;
}
