public bool Castle(bool whitePlayer, bool left)
{
if (whitePlayer && IsOccupiedAt(4, 7) && GetPieceAt(4, 7).Type("king") && !GetPieceAt(4, 7).HasMoved())
{
if (left)
{ // check if rook is in position
if (IsOccupiedAt(0, 7) && GetPieceAt(0, 7).Type("rook") && !GetPieceAt(0, 7).HasMoved())
{ // check the path is clear
if (!(IsOccupiedAt(1, 7) || IsOccupiedAt(2, 7) || IsOccupiedAt(3, 7)) && Array.Exists(Logic.Threats(this, !whitePlayer, true), c => c[0] == 2 && c[1] == 7))
{
MovePiece(0, 7, 3, 7);
MovePiece(4, 7, 2, 7);
return(true);
}
}
}
else
{ // check if rook is in position
if (IsOccupiedAt(7, 7) && GetPieceAt(7, 7).Type("rook") && !GetPieceAt(7, 7).HasMoved())
{ // check the path is clear
if (!(IsOccupiedAt(5, 7) || IsOccupiedAt(6, 7)) && Array.Exists(Logic.Threats(this, !whitePlayer, true), c => c[0] == 6 && c[1] == 7))
{
MovePiece(7, 7, 5, 7);
MovePiece(4, 7, 6, 7);
return(true);
}
}
}
}
else
{
if (IsOccupiedAt(4, 0) && GetPieceAt(4, 0).Type("king") && !GetPieceAt(4, 0).HasMoved())
{ // check if rook is in position
if (left)
{
if (IsOccupiedAt(0, 0) && GetPieceAt(0, 0).Type("rook") && !GetPieceAt(0, 0).HasMoved())
{ // check the path is clear
if (!(IsOccupiedAt(1, 0) || IsOccupiedAt(2, 0) || IsOccupiedAt(3, 0)) && Array.Exists(Logic.Threats(this, !whitePlayer, true), c => c[0] == 2 && c[1] == 0))
{
MovePiece(0, 0, 3, 0);
MovePiece(4, 0, 2, 0);
return(true);
}
}
}
else
{ // check if rook is in position
if (IsOccupiedAt(7, 0) && GetPieceAt(7, 0).Type("rook") && !GetPieceAt(7, 0).HasMoved())
{ // check the path is clear
if (!(IsOccupiedAt(5, 0) || IsOccupiedAt(6, 0)) && Array.Exists(Logic.Threats(this, !whitePlayer, true), c => c[0] == 6 && c[1] == 0))
{
MovePiece(7, 0, 5, 0);
MovePiece(4, 0, 6, 0);
return(true);
}
}
}
}
}
return(false);
}