@Override
public void fight(Individual otherIndividual) {
NegamaxPlayer otherNegamaxPlayer = (NegamaxPlayer) otherIndividual;
// Get the test ground.
Board testBoard = initialTestBoard.cloneBoard();
// Fight until a side wins, or a max number of turns has elapsed.
boolean myTurn = true;
int iteration = 0;
while (testBoard.numberOf(DWARF) > 0 && testBoard.numberOf(TROLL) > 0 && iteration++ < 1000) {
if (myTurn) {
makeBestMove(testBoard);
} else {
otherNegamaxPlayer.makeBestMove(testBoard);
}
myTurn = !myTurn;
}
// Update the fitnesses of the players.
// Since the dwarves play first, the first player, me, scores the dzqrf side.
int score = testBoard.numberOf(DWARF) - 4 * testBoard.numberOf(TROLL);
fitness += score;
otherNegamaxPlayer.fitness -= score;
}
@Override
public Board makeBestMove(Board evaluatedBoard) {
Board bestMove = evaluatedBoard.cloneBoard();
negaMax(evaluatedBoard, bestMove, -INFINITY, INFINITY, 0);
// Copy its data, and switch turns.
evaluatedBoard.squares = bestMove.squares;
evaluatedBoard.dwarvesTurn = bestMove.dwarvesTurn;
return bestMove;
}
