public bool CheckMove(Point position, int index)
{
if (index != -1)
{
if (piece[index].Color == turn)
{
Point newLoc = position;
newLoc = Piece.boardToPiece(newLoc);
bool valid = piece[index].movePiece(newLoc);
bool nBlocked = Rules.checkPiecePath(piece[index], newLoc, piece);
if (check.isCheck && check.checkColor == turn)
{
Piece tempPiece = (Piece)piece[index].Clone();
tempPiece.Location = newLoc;
if (Rules.isCheck(piece, piece[index].AttackedSquares(piece), turn))
{
return(false);
}
}
if (valid && nBlocked)
{
if (Rules.CheckCapture(newLoc, piece[index], piece, out int capIndex))
{
piece[capIndex].Captured = true;
}
piece[index].Location = newLoc;
piece[index].Moved = true;
bool ischeck = Rules.isCheck(piece, piece[index].AttackedSquares(piece), turn);
check.isCheck = ischeck;
check.checkColor = turn;
pieceMove move;
move.piece = piece[index];
move.newLocation = newLoc;
move.capture = piece[capIndex].Captured;
move.check = ischeck;
file.updatePgn(move);
return(true);
}
else if (!valid && nBlocked && piece[index].GetType().Equals(typeof(King)))
{
Piece rook = new Rook();
bool check = Rules.checkCastle(piece[index], newLoc, piece, out int location);
if (check)
{
Point rLoc = piece[location].Location;
if (rLoc.X - piece[index].Location.X < 0)
{
rLoc.X = newLoc.X + 1;
}
else if (rLoc.X - piece[index].Location.X > 0)
{
rLoc.X = newLoc.X - 1;
}
pieceMove move;
move.piece = piece[index];
move.newLocation = newLoc;
move.capture = false;
move.check = true;
file.updatePgn(move);
piece[location].Location = rLoc;
piece[index].Location = newLoc;
piece[location].Moved = true;
piece[index].Moved = true;
return(true);
}
}
else if (!valid && piece[index].GetType().Equals(typeof(Pawn)))
{
bool pawnCap = Rules.CheckPawnCapture(newLoc, piece, index, out int capIndex);
if (pawnCap)
{
piece[capIndex].Captured = true;
pieceMove move;
bool ischeck = Rules.isCheck(piece, piece[index].AttackedSquares(piece), turn);
check.isCheck = ischeck;
check.checkColor = turn;
move.piece = piece[index];
move.newLocation = newLoc;
move.capture = false;
move.check = false;
file.updatePgn(move);
piece[index].Location = newLoc;
return(true);
}
}
index = -1;
}
}
return(false);
}
