public int getCell(Coordinates c)
{
if (c.notFound())
{
return(Pieces.createFailurePiece());
}
return(this.getCell(c.x(), c.y()));
}
public static int combinePieces(int p1, int p2)
{
// Combines a piece that is a person or house, with a regular piece. Order is unimportant.
// Returns the failure piece if neither piece is a plain person or house.
if (Pieces.isTile(p1))
{
int t = p1; p1 = p2; p2 = t;
}
if (Pieces.isPerson(p1) && Pieces.isTile(p2))
{
return(Pieces.setPersonNumber(p2, Pieces.personNumber(p1)));
}
if (Pieces.isHouse(p1) && Pieces.isTile(p2))
{
return(Pieces.setHouseNumber(p2, Pieces.houseNumber(p1)));
}
return(Pieces.createFailurePiece());
}
public static bool isFailurePiece(int p)
{
return(p == Pieces.createFailurePiece());
}
private int setFailure(String msg)
{
// Sets the last error message to msg, and returns the failure piece.
this.lastErrorMessage = msg;
return(Pieces.createFailurePiece());
}