private void OnTileClick(object sender, RoutedEventArgs e)
{
Button btn = (Button)sender;
if (btn.Opacity < 1)
{
return;
}
int row = Grid.GetRow(btn);
int col = Grid.GetColumn(btn);
GamePiece piece = _game._gameBoard[row, col];
// Selecting a piece
if (_selectedPiece == null)
{
if (piece == null)
{
return;
}
if (piece.Owner.Name != _game._currentPlayer.Name)
{
return;
}
if (piece.IsMovable)
{
_selectedPiece = piece;
}
}
// Making a move (or reselectinga piece)
else
{
if (piece != null && piece.Owner.Name == _game._currentPlayer.Name)
{
_selectedPiece = piece;
}
else
{
// Math.Abs gives the absolute value for a number (always positive)
int deltaX = col - _selectedPiece.Position.Column;
int deltaY = row - _selectedPiece.Position.Row;
int distanceX = Math.Abs(deltaX);
int distanceY = Math.Abs(deltaY);
if (distanceX > 1 || distanceY > 1 || distanceX + distanceY > 1)
{
return; //Can't move more than 1 spot at a time, or diagonally
}
Direction direction; //Possible movement directions
if (deltaX > 0)
{
direction = Direction.Right;
}
else if (deltaX < 0)
{
direction = Direction.Left;
}
else if (deltaY > 0)
{
direction = Direction.Down;
}
else
{
direction = Direction.Up;
}
if (!_game.MakeMove(_selectedPiece, direction))
{
return;
}
_selectedPiece = null;
}
}
DrawBoard();
}