public bool IsValidMove(Chessboard board, Tuple <int, int> position)
{
int YDIff = Math.Abs(this.Position.Item1 - position.Item1);
int XDiff = Math.Abs(this.Position.Item2 - position.Item2);
if (XDiff > 1 || YDIff > 1)
{
return(false);
}
if (board.GetPiece(position) != null && board.GetPiece(position).Color == this.Color)
{
return(false);
}
return(true);
}
public bool IsValidMove(Chessboard board, Tuple <int, int> position)
{
int limit;
int YDiff = position.Item1 - this.Position.Item1;
int XDiff = position.Item2 - this.Position.Item2;
switch (this.Color)
{
case Color.LIGHT:
limit = 1;
if (this.Position.Item1 == 1)
{
limit = 2;
}
if (XDiff == 0 && (Math.Abs(YDiff) > 0 && Math.Abs(YDiff) <= limit) && board.GetPiece(position) == null)
{
return(true);
}
if (this.Position.Item1 - position.Item1 == -1 && board.GetPiece(position) != null &&
board.GetPiece(position).Color != this.Color && (XDiff == 1 || XDiff == -1))
{
return(true);
}
break;
case Color.DARK:
limit = -1;
if (this.Position.Item1 == 6)
{
limit = -2;
}
if (XDiff == 0 && (YDiff < 0 && YDiff >= limit) && board.GetPiece(position) == null)
{
return(true);
}
if (this.Position.Item1 - position.Item1 == 1 && board.GetPiece(position) != null &&
board.GetPiece(position).Color != this.Color && (XDiff == 1 || XDiff == -1))
{
return(true);
}
break;
}
return(false);
}
public bool IsValidMove(Chessboard board, Tuple <int, int> position)
{
int YDiff = this.Position.Item1 - position.Item1;
int XDiff = this.Position.Item2 - position.Item2;
if (XDiff == 0 || YDiff == 0)
{
if (XDiff > 0)
{
for (int i = 1; i < XDiff; i++)
{
if (board.GetPiece(new Tuple <int, int>(this.Position.Item1, this.Position.Item2 - XDiff + i)) != null)
{
return(false);
}
}
}
else if (XDiff < 0)
{
for (int i = -1; i > XDiff; i--)
{
if (board.GetPiece(new Tuple <int, int>(this.Position.Item1, this.Position.Item2 - XDiff + i)) != null)
{
return(false);
}
}
}
else if (YDiff > 0)
{
for (int i = 1; i < YDiff; i++)
{
if (board.GetPiece(new Tuple <int, int>(this.Position.Item1 - YDiff + i, this.Position.Item2)) != null)
{
return(false);
}
}
}
else if (YDiff < 0)
{
for (int i = -1; i > YDiff; i--)
{
if (board.GetPiece(new Tuple <int, int>(this.Position.Item1 - YDiff + i, this.Position.Item2)) != null)
{
return(false);
}
}
}
if (board.GetPiece(position) != null && board.GetPiece(position).Color == this.Color)
{
return(false);
}
return(true);
}
if (XDiff != 0 && YDiff != 0 && Math.Abs((float)XDiff / (float)YDiff) == 1)
{
if (board.GetPiece(position) != null && board.GetPiece(position).Color == this.Color)
{
return(false);
}
if (XDiff > 0)
{
if (YDiff > 0)
{
for (int i = 1; i < Math.Abs(XDiff); i++)
{
if (board.GetPiece(new Tuple <int, int>(this.Position.Item1 - i, this.Position.Item2 - i)) != null)
{
return(false);
}
}
}
else
{
for (int i = 1; i < Math.Abs(XDiff); i++)
{
if (board.GetPiece(new Tuple <int, int>(this.Position.Item1 + i, this.Position.Item2 - i)) != null)
{
return(false);
}
}
}
}
else
{
if (YDiff > 0)
{
for (int i = 1; i < Math.Abs(XDiff); i++)
{
if (board.GetPiece(new Tuple <int, int>(this.Position.Item1 - i, this.Position.Item2 + i)) != null)
{
return(false);
}
}
}
else
{
for (int i = 1; i < Math.Abs(XDiff); i++)
{
if (board.GetPiece(new Tuple <int, int>(this.Position.Item1 + i, this.Position.Item2 + i)) != null)
{
return(false);
}
}
}
}
return(true);
}
return(false);
}
public bool IsValidMove(Chessboard board, Tuple <int, int> position)
{
int YDiff = this.Position.Item1 - position.Item1;
int XDiff = this.Position.Item2 - position.Item2;
if (XDiff == 0 || YDiff == 0)
{
if (XDiff > 0)
{
for (int i = 1; i < XDiff; i++)
{
if (board.GetPiece(new Tuple <int, int>(this.Position.Item1, this.Position.Item2 - XDiff + i)) != null)
{
return(false);
}
}
}
if (XDiff < 0)
{
for (int i = -1; i > XDiff; i--)
{
if (board.GetPiece(new Tuple <int, int>(this.Position.Item1, this.Position.Item2 - XDiff + i)) != null)
{
return(false);
}
}
}
if (YDiff > 0)
{
for (int i = 1; i < YDiff; i++)
{
if (board.GetPiece(new Tuple <int, int>(this.Position.Item1 - YDiff + i, this.Position.Item2)) != null)
{
return(false);
}
}
}
if (YDiff < 0)
{
for (int i = -1; i > YDiff; i--)
{
if (board.GetPiece(new Tuple <int, int>(this.Position.Item1 - YDiff + i, this.Position.Item2)) != null)
{
return(false);
}
}
}
if (board.GetPiece(position) != null)
{
if (board.GetPiece(position).Color == this.Color)
{
return(false);
}
}
return(true);
}
return(false);
}