Exemple #1
0
 /**
  * Method: makeMove() Usage: last step in act() of Critter
  * ------------------------------------------- Follower faces the same way target is and steps are
  * incremented, if target is null, it faces the direction it just moved in then calls Critters
  * makeMove to go to the new location @Postcondition: (1) <code>getLocation() == loc</code>. (2)
  * The state of all actors other than those at the old and new locations is unchanged.
  *
  * @param loc the location to move to
  */
 public void makeMove(Location loc) {
   if (target != null) {
     setDirection(target.getDirection());
     steps++;
   } else setDirection(getLocation().getDirectionToward(loc));
   super.makeMove(loc);
 }
Exemple #2
0
  /**
   * Method: getMoveLocations() Usage: 3rd step in act() of Critter ---------------------------- if
   * Follower has a target, Follower moves to the location opposite to the target's direction if
   * target is null, Follower roams like a generic Critter until a target is found @Postcondition:
   * The state of all actors is unchanged.
   *
   * @return a list of possible locations for the next move
   */
  public ArrayList<Location> getMoveLocations() {
    ArrayList<Location> nextLoc = new ArrayList<Location>();

    if (target != null) {
      Location next =
          target.getLocation().getAdjacentLocation(target.getDirection() + Location.HALF_CIRCLE);
      if (getGrid().isValid(next)) nextLoc.add(next);
    } else {
      for (Location l : super.getMoveLocations()) // for every empty adjacent loc
      if (getGrid().isValid(l)) // if it's also valid
        nextLoc.add(l); // add it to list of possible locs
    }

    return nextLoc;
  }