/**
* init() will be called on each ant at creation time. This will be before the first move of the
* match
*/
public void init() {
id = turn = 0;
x = y = Constants.BOARD_SIZE;
hasFood = false;
board = new Board(this);
trail = new Trail();
north = new ZSquare(this, Direction.north);
northeast = new ZSquare(this, Direction.northeast);
east = new ZSquare(this, Direction.east);
southeast = new ZSquare(this, Direction.southeast);
south = new ZSquare(this, Direction.south);
southwest = new ZSquare(this, Direction.southwest);
west = new ZSquare(this, Direction.west);
northwest = new ZSquare(this, Direction.northwest);
here = new ZSquare(this, Direction.here);
neighbors = new ArrayList<ZSquare>();
cells = new ArrayList<ZSquare>();
neighbors.add(north);
neighbors.add(northeast);
neighbors.add(east);
neighbors.add(southeast);
neighbors.add(south);
neighbors.add(southwest);
neighbors.add(west);
neighbors.add(northwest);
cells.add(north);
cells.add(northeast);
cells.add(east);
cells.add(southeast);
cells.add(south);
cells.add(southwest);
cells.add(west);
cells.add(northwest);
cells.add(here);
trail.add(this);
}
/**
* On each turn, act will be called to allow your ant to take some action in the world.
*
* @param environment a description of the 9 squares around this ant (one in each direction + the
* one the ant is currently on)
* @param events A list of Strings describing actions that affected this ant in the last turn. In
* particular, if any ants said anything or fought with this ant, they will show up here
* @return an implementation of the Action class indicating what this ant should do
*/
public Action act(Environment environment, List<WorldEvent> events) {
// L long elapsedTimeMillis = System.currentTimeMillis(); // Logger.
Action act = null;
turn++;
here.update(environment);
if (role == null) {
assert id == 0;
assert turn == 1;
assert here.isNest();
id = here.scent.a + 1;
Scent s = new Scent();
s.a = id;
initializeState();
assert role != null;
return new Write(s.getValue());
}
northeast.update(environment);
east.update(environment);
southeast.update(environment);
south.update(environment);
southwest.update(environment);
west.update(environment);
northwest.update(environment);
north.update(environment);
if (here.scent.stinky) act = new Write(null); // Erase opponent's writing
if (act == null) act = role.act();
if (act == null) act = new Pass();
if (act instanceof Move) {
ZSquare s = square(act);
assert s.isPassable();
x += s.deltaX;
y += s.deltaY;
trail.add(this);
// L Logger.trace(this, "move " + s.dir.name());
} else if (act instanceof GetFood) {
assert !hasFood;
ZSquare s = square(act);
assert s.isPassable() && s.hasFood();
hasFood = true;
// L Logger.trace(this, String.format("takes food %s %d,%d", s.dir.name(), s.x, s.y));
} else if (act instanceof DropFood) {
assert hasFood;
ZSquare s = square(act);
assert s.isPassable();
hasFood = false;
// L Logger.trace(this, String.format("drops food %s %d,%d", s.dir.name(), s.x, s.y));
// L } else if (act instanceof Write) { // Logger.
// L Logger.trace(this, String.format("writes: %s", (new Scent(act)).toString()));
// L } else if (act instanceof Say) { // Logger.
// L Logger.trace(this, String.format("Says: '%s'", act.toString()));
// L } else if (act instanceof Pass) { // Logger.
// Do nothing
// L } else { // Logger.
// L Logger.trace(this, "check action " + Constants.className(act));
// L assert false; // Logger.
}
// L elapsedTimeMillis = System.currentTimeMillis() - elapsedTimeMillis; // Logger.
// L Logger.logRunTime(this, elapsedTimeMillis);
// L if (turn % 1000 == 0) Logger.dumpBoard(this);
return act;
}