public void removeQueenFrom(XYLocation l)
{
if (squares[l.GetXCoOrdinate(), l.GetYCoOrdinate()] == 1)
{
squares[l.GetXCoOrdinate(), l.GetYCoOrdinate()] = 0;
}
}
/**
* Moves the queen in the specified column (x-value of <code>l</code>) to
* the specified row (y-value of <code>l</code>). The action assumes a
* complete-state formulation of the n-queens problem.
*/
public void moveQueenTo(XYLocation l)
{
for (int i = 0; i < getSize(); ++i)
{
squares[l.GetXCoOrdinate(), i] = 0;
}
squares[l.GetXCoOrdinate(), l.GetYCoOrdinate()] = 1;
}
//
// PRIVATE METHODS
//
private bool withinRadius(int radius, XYLocation agentLocation, XYLocation objectLocation)
{
int xdifference = agentLocation.GetXCoOrdinate() - objectLocation.GetXCoOrdinate();
int ydifference = agentLocation.GetYCoOrdinate() - objectLocation.GetYCoOrdinate();
return(System.Math.Sqrt((xdifference * xdifference) + (ydifference * ydifference)) <= radius);
}
public int getNumberOfAttacksOn(XYLocation l)
{
int x = l.GetXCoOrdinate();
int y = l.GetYCoOrdinate();
return(numberOfHorizontalAttacksOn(x, y) + numberOfVerticalAttacksOn(x, y) + numberOfDiagonalAttacksOn(x, y));
}
/** Column and row indices start with 0! */
public void addQueenAt(XYLocation l)
{
if (!(queenExistsAt(l)))
{
squares[l.GetXCoOrdinate(), l.GetYCoOrdinate()] = 1;
}
}
public void testXYLocationAtributeSettingOnConstruction()
{
XYLocation loc = new XYLocation(3, 4);
Assert.AreEqual(3, loc.GetXCoOrdinate());
Assert.AreEqual(4, loc.GetYCoOrdinate());
}
public bool isSquareUnderAttack(XYLocation l)
{
int x = l.GetXCoOrdinate();
int y = l.GetYCoOrdinate();
return(isSquareHorizontallyAttacked(x, y) || isSquareVerticallyAttacked(x, y) ||
isSquareDiagonallyAttacked(x, y));
}
public void setBoard(ICollection <XYLocation> locs)
{
int count = 0;
for (int i = 0; i < locs.Size(); i++)
{
XYLocation loc = locs.Get(i);
this.setValue(loc.GetXCoOrdinate(), loc.GetYCoOrdinate(), count);
count = count + 1;
}
}
private int evaluateManhattanDistanceOf(int i, XYLocation loc)
{
int retVal = -1;
int xpos = loc.GetXCoOrdinate();
int ypos = loc.GetYCoOrdinate();
switch (i)
{
case 1:
retVal = System.Math.Abs(xpos - 0) + System.Math.Abs(ypos - 1);
break;
case 2:
retVal = System.Math.Abs(xpos - 0) + System.Math.Abs(ypos - 2);
break;
case 3:
retVal = System.Math.Abs(xpos - 1) + System.Math.Abs(ypos - 0);
break;
case 4:
retVal = System.Math.Abs(xpos - 1) + System.Math.Abs(ypos - 1);
break;
case 5:
retVal = System.Math.Abs(xpos - 1) + System.Math.Abs(ypos - 2);
break;
case 6:
retVal = System.Math.Abs(xpos - 2) + System.Math.Abs(ypos - 0);
break;
case 7:
retVal = System.Math.Abs(xpos - 2) + System.Math.Abs(ypos - 1);
break;
case 8:
retVal = System.Math.Abs(xpos - 2) + System.Math.Abs(ypos - 2);
break;
}
return(retVal);
}
public void mark(XYLocation action)
{
mark(action.GetXCoOrdinate(), action.GetYCoOrdinate());
}
public bool queenExistsAt(XYLocation l)
{
return(queenExistsAt(l.GetXCoOrdinate(), l.GetYCoOrdinate()));
}
public int getValueAt(XYLocation loc)
{
return(getValueAt(loc.GetXCoOrdinate(), loc.GetYCoOrdinate()));
}