public void removeQueenFrom(XYLocation l)
{
if (board[l.getXCoOrdinate(),l.getYCoOrdinate()] == 1)
{
board[l.getXCoOrdinate(),l.getYCoOrdinate()] = 0;
}
}
public override bool Equals(Object o)
{
XYLocation anotherLoc = (XYLocation)o;
return((anotherLoc.getXCoOrdinate() == xCoOrdinate) && (anotherLoc
.getYCoOrdinate() == yCoOrdinate));
}
public static int calculateSquareOfDistanceBetweenLocations(
XYLocation loc1, XYLocation loc2)
{
int xdifference = loc1.getXCoOrdinate() - loc2.getXCoOrdinate();
int ydifference = loc1.getYCoOrdinate() - loc2.getYCoOrdinate();
return (xdifference * xdifference) + (ydifference * ydifference);
}
public int evaluateManhattanDistanceOf(int i, XYLocation loc)
{
int retVal = -1;
int xpos = loc.getXCoOrdinate();
int ypos = loc.getYCoOrdinate();
switch (i)
{
case 1:
retVal = Math.Abs(xpos - 0) + Math.Abs(ypos - 1);
break;
case 2:
retVal = Math.Abs(xpos - 0) + Math.Abs(ypos - 2);
break;
case 3:
retVal = Math.Abs(xpos - 1) + Math.Abs(ypos - 0);
break;
case 4:
retVal = Math.Abs(xpos - 1) + Math.Abs(ypos - 1);
break;
case 5:
retVal = Math.Abs(xpos - 1) + Math.Abs(ypos - 2);
break;
case 6:
retVal = Math.Abs(xpos - 2) + Math.Abs(ypos - 0);
break;
case 7:
retVal = Math.Abs(xpos - 2) + Math.Abs(ypos - 1);
break;
case 8:
retVal = Math.Abs(xpos - 2) + Math.Abs(ypos - 2);
break;
}
return retVal;
}
private string whichPlayer(XYLocation loc)
{
string[] _whichRow = whichRow(loc.getYCoOrdinate());
return (_whichRow[loc.getXCoOrdinate()]);
}
private bool isPlayer(string whichPlayer, XYLocation loc)
{
string[] _whichRow = whichRow(loc.getYCoOrdinate());
return (_whichRow[loc.getXCoOrdinate()].Equals(whichPlayer));
}
private bool isEmpty(XYLocation loc)
{
string[] _whichRow = whichRow(loc.getYCoOrdinate());
return (_whichRow[loc.getXCoOrdinate()] == " ");
}
private bool isLegalPlace(XYLocation forPlace)
{
if (forPlace.getXCoOrdinate() >= 0 && forPlace.getXCoOrdinate() < this.boardSize && forPlace.getYCoOrdinate() >= 0 && forPlace.getYCoOrdinate() < this.boardSize)
return true;
else return false;
}
public void mark(XYLocation loc, string symbol)
{
string[] _whichRow = null;
_whichRow = whichRow(loc.getYCoOrdinate());
_whichRow[loc.getXCoOrdinate()] = symbol;
}
public int getValueAt(XYLocation loc)
{
return getValueAt(loc.getXCoOrdinate(), loc.getYCoOrdinate());
}
public bool queenExistsAt(XYLocation l)
{
return (queenExistsAt(l.getXCoOrdinate(), l.getYCoOrdinate()));
}
public void addQueenAt(XYLocation l)
{
if (!(queenExistsAt(l)))
board[l.getXCoOrdinate(),l.getYCoOrdinate()] = 1;
}
public int getNumberOfAttacksOn(XYLocation l)
{
int x = l.getXCoOrdinate();
int y = l.getYCoOrdinate();
return numberOfHorizontalAttacksOn(x, y)
+ numberOfVerticalAttacksOn(x, y)
+ numberOfDiagonalAttacksOn(x, y);
}
public bool isSquareUnderAttack(XYLocation l)
{
int x = l.getXCoOrdinate();
int y = l.getYCoOrdinate();
return (isSquareHorizontallyAttacked(x, y)
|| isSquareVerticallyAttacked(x, y) || isSquareDiagonallyAttacked(
x, y));
}
