@Override
public void run() throws Exception {
String inputFile =
Paths.get(AdventOfCode.VAR_PATH, DAY_PATH, INPUT_FILE)
.toRealPath(LinkOption.NOFOLLOW_LINKS)
.toString();
try (FileInputStream fis = new FileInputStream(inputFile)) {
int c, charPosition = 1;
Santa santa = new Santa(), roboSanta = new Santa();
houses.add(new House(new Position(0, 0)));
while ((c = fis.read()) != -1) {
char cc = (char) c;
if (charPosition % 2 == 1) {
santa.move(cc);
logPosition(santa);
} else {
roboSanta.move(cc);
logPosition(roboSanta);
}
charPosition++;
}
System.out.println(houses.size());
} catch (IOException x) {
System.err.format("IOException: %s%n", x);
}
}
private void logPosition(Santa santa) {
for (House house : houses) {
if (santa.getPos().equals(house.getPos())) {
house.visit();
return;
}
}
houses.add(new House(new Position(santa.getPos().getX(), santa.getPos().getY())));
}
