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;
}
}
