/**
* Generates the Knight's moveset by looping clockwise. First take two steps in a certain
* direction to create a baseLocation, and then go to the right and left of the baseLocation to
* check for possible moves.
*/
public ArrayList<Location> getValidMoveLocations() {
Grid<Actor> gr = getGrid();
if (gr == null) {
return null;
}
ArrayList<Location> result = new ArrayList<Location>();
Location possibleLocation1, possibleLocation2;
for (int i = 0; i < Location.FULL_CIRCLE; i += Location.RIGHT) {
Location baseLocation = getLocation();
for (int counter = 0; counter < 2; counter++) {
baseLocation = baseLocation.getAdjacentLocation(i);
}
possibleLocation1 = baseLocation.getAdjacentLocation(i + Location.LEFT);
if (gr.isValid(possibleLocation1)) {
result.add(possibleLocation1);
if (gr.get(possibleLocation1) instanceof Piece
&& gr.get(possibleLocation1).getColor().equals(getColor())) {
result.remove(possibleLocation1);
}
}
possibleLocation2 = baseLocation.getAdjacentLocation(i + Location.RIGHT);
if (gr.isValid(possibleLocation2)) {
result.add(possibleLocation2);
if (gr.get(possibleLocation2) instanceof Piece
&& gr.get(possibleLocation2).getColor().equals(getColor())) {
result.remove(possibleLocation2);
}
}
}
return result;
}
public boolean canMove() {
Grid<Actor> gr = getGrid();
if (gr == null) return false;
Location loc = getLocation();
Location next = loc.getAdjacentLocation(getDirection()).getAdjacentLocation(getDirection());
if (!gr.isValid(next)) return false;
Actor neighbor = gr.get(next);
return (neighbor == null) || (neighbor instanceof Flower);
}
public void move() {
Grid<Actor> gr = getGrid();
if (gr == null) return;
Location loc = getLocation();
Location next = loc.getAdjacentLocation(getDirection());
if (gr.isValid(next)) {
nextActor = gr.get(next);
moveTo(next);
if (oldActor != null) oldActor.putSelfInGrid(gr, loc);
oldActor = nextActor;
} else removeSelfFromGrid();
}
/** Helper method in order to check for the legality of certain moves made by a King Piece. */
public ArrayList<Location> getAttackZones() {
Grid<Actor> gr = getGrid();
if (gr == null) {
return null;
}
ArrayList<Location> result = new ArrayList<Location>();
Location possibleLocation1, possibleLocation2;
for (int i = 0; i < Location.FULL_CIRCLE; i += Location.RIGHT) {
Location baseLocation = getLocation();
for (int counter = 0; counter < 2; counter++) {
baseLocation = baseLocation.getAdjacentLocation(i);
}
possibleLocation1 = baseLocation.getAdjacentLocation(i + Location.LEFT);
if (gr.isValid(possibleLocation1)) {
result.add(possibleLocation1);
}
possibleLocation2 = baseLocation.getAdjacentLocation(i + Location.RIGHT);
if (gr.isValid(possibleLocation2)) {
result.add(possibleLocation2);
}
}
return result;
}
public boolean canMove() {
Grid<Actor> gr = getGrid();
if (gr == null) return false;
Location loc = getLocation();
Location next = loc.getAdjacentLocation(getDirection());
if (!gr.isValid(next)) return false;
Actor neighbor = gr.get(next);
return (neighbor == null)
|| (neighbor instanceof TallGrass)
|| (neighbor instanceof Green)
|| (neighbor instanceof Path)
|| (neighbor instanceof Cave43)
|| (neighbor instanceof Cave33);
// not ok to move onto water or rocks
}