// gets manhattan distance to the closest player (array 0) controlled unit
private int getMinDistance(int curX, int curY)
{
int minD = 9999;
int thisD = minD;
Unit tempUnit = controller.GetCommander(0).getUnitStack();
// go through stack and find the min distance
while (tempUnit != null)
{
// if the unit isn't dead...
if (!tempUnit.isDead())
{
thisD = Mathf.Abs(curX - tempUnit.getX()) + Mathf.Abs(curY - tempUnit.getY());
if (thisD < minD)
{
minD = thisD;
}
}
// get next unit
tempUnit = tempUnit.nextUnit;
}
return(minD);
}