// Edge case: As we're approaching the end of a sequence, try to maximise score...
// Possible change to ncombinable: Weight combinables that increase the score significantly
private int evaluate(Board b) {
int[] thefactors = currentfactors;
// We are close to the end of the sequence! Use different weights!
if (b.nMoves() + MAX_DEPTH * 2 >= tileSequence.length) {
// System.err.println(b.nMoves());
thefactors = closefactors;
}
return ((int) Math.pow(4, b.dof()))
+ thefactors[0] * b.zeros()
+ thefactors[1] * b.checkerboarding3()
+ thefactors[2] * b.smoothness()
+ thefactors[3] * b.nCombinable();
}
