/**
* Implements Dragon moving/attack model.
*
* @param board
* @param drg
* @return
*/
public List<Vector2D> powerMovementSystemFlight(Board board, Dragon drg) {
List<Vector2D> drgMovements = new ArrayList<Vector2D>();
// move in each direction skipping first obstacle:
int x = drg.getCol();
int y = drg.getRow();
boolean mustLand = false;
boolean obstacle = false;
List<Vector2D> safeLanding = new ArrayList<Vector2D>();
List<Vector2D> riskyLanding = new ArrayList<Vector2D>();
List<Vector2D> attackAfterLanding = new ArrayList<Vector2D>();
// Negative Y:
int ny = y;
while (!mustLand) {
ny--;
if (isInsideBoard(new Vector2D(ny, x))) {
Token bt = board.getToken(ny, x);
/*if(!isInsideBoard(new Vector2D(ny,x))){
mustLand = true;
}else */
if (hitsRock(new Vector2D(ny, x))) {
riskyLanding.add(new Vector2D(ny, x));
obstacle = true;
} else if (bt instanceof PlayerToken) {
riskyLanding.add(new Vector2D(ny, x));
obstacle = true;
} else if (obstacle) {
riskyLanding.add(new Vector2D(ny, x));
safeLanding.addAll(riskyLanding);
mustLand = true;
} else {
// If no better position is found, glide down with pride (like a true dragon):
safeLanding.add(new Vector2D(ny, x));
}
} else {
// Hit the end of the board:
mustLand = true;
}
}
mustLand = false;
obstacle = false;
riskyLanding = new ArrayList<Vector2D>();
// Positive Y:
ny = y;
while (!mustLand) {
ny++;
if (isInsideBoard(new Vector2D(ny, x))) {
Token bt = board.getToken(ny, x);
if (hitsRock(new Vector2D(ny, x))) {
riskyLanding.add(new Vector2D(ny, x));
obstacle = true;
} else if (bt instanceof PlayerToken) {
riskyLanding.add(new Vector2D(ny, x));
obstacle = true;
} else if (obstacle) {
riskyLanding.add(new Vector2D(ny, x));
safeLanding.addAll(riskyLanding);
mustLand = true;
} else {
safeLanding.add(new Vector2D(ny, x));
}
} else {
// Hit the end of the board:
mustLand = true;
}
}
mustLand = false;
obstacle = false;
riskyLanding = new ArrayList<Vector2D>();
// Negative X:
int nx = x;
while (!mustLand) {
nx--;
if (isInsideBoard(new Vector2D(y, nx))) {
Token bt = board.getToken(y, nx);
if (hitsRock(new Vector2D(y, nx))) {
riskyLanding.add(new Vector2D(y, nx));
obstacle = true;
} else if (bt instanceof PlayerToken) {
riskyLanding.add(new Vector2D(y, nx));
obstacle = true;
} else if (obstacle) {
riskyLanding.add(new Vector2D(y, nx));
safeLanding.addAll(riskyLanding);
mustLand = true;
} else {
safeLanding.add(new Vector2D(y, nx));
}
} else {
// Hit the end of the board:
mustLand = true;
}
}
mustLand = false;
obstacle = false;
riskyLanding = new ArrayList<Vector2D>();
// Positive X:
nx = x;
while (!mustLand) {
nx++;
if (isInsideBoard(new Vector2D(y, nx))) {
Token bt = board.getToken(y, nx);
if (hitsRock(new Vector2D(y, nx))) {
riskyLanding.add(new Vector2D(y, nx));
obstacle = true;
} else if (bt instanceof PlayerToken) {
riskyLanding.add(new Vector2D(y, nx));
obstacle = true;
} else if (obstacle) {
riskyLanding.add(new Vector2D(y, nx));
safeLanding.addAll(riskyLanding);
mustLand = true;
} else {
safeLanding.add(new Vector2D(y, nx));
}
} else {
// Hit the end of the board:
mustLand = true;
}
}
// Define additional attack options for each landing position:
for (int k = 0; k < safeLanding.size(); k++) {
attackAfterLanding.addAll(
positionsAttackOptions(board, new Vector2D(safeLanding.get(k).y, safeLanding.get(k).x)));
}
drgMovements.addAll(safeLanding);
drgMovements.addAll(attackAfterLanding);
return drgMovements;
}