private Move getBestOnePixelOffMove(Board board) {
List<Move> otherPlayersMove = board.getPrevMovesByPlayerId(1);
double maxScore = 0;
Move bestMove = null;
for (int j = 0; j < otherPlayersMove.size(); j++) {
Move prevMove = otherPlayersMove.get(j);
for (int i = 0; i < directions.length; i++) {
int nextX = prevMove.x + directions[i][0];
int nextY = prevMove.y + directions[i][1];
if (isValidMove(board, nextX, nextY)) {
Move thisMove = Move.createMyMove(nextX, nextY);
double thisScore = board.testMyScoreWithThisMove(thisMove);
if (thisScore > maxScore) {
maxScore = thisScore;
bestMove = thisMove;
}
} else {
int nextX2 = prevMove.x + directions[i][0] * 2;
int nextY2 = prevMove.y + directions[i][1] * 2;
if (isValidMove(board, nextX2, nextY2)) {
Move thisMove = Move.createMyMove(nextX2, nextY2);
double thisScore = board.testMyScoreWithThisMove(thisMove);
if (thisScore > maxScore) {
maxScore = thisScore;
bestMove = thisMove;
}
}
}
}
}
return bestMove;
}
private Move getBestRandomMove(Board board, int startX, int startY, int offset) {
int poolNo = 1000;
Move bestMove = null;
double maxScore = 0;
for (int i = 0; i < poolNo; i++) {
Move nextMove = null;
while (nextMove == null) {
int x = startX + r.nextInt(offset);
int y = startY + r.nextInt(offset);
// if this position is empty and the color of this position is not mine, then accept this
// move
if (isValidMove(board, x, y)) {
nextMove = Move.createMyMove(x, y);
double thisScoreDiff = board.testMyScoreWithThisMove(nextMove);
if (thisScoreDiff > maxScore) {
maxScore = thisScoreDiff;
bestMove = nextMove;
}
}
}
}
return bestMove;
}