private Bullet createBullet(boolean hideOwnerName) {
String ownerName =
(owner == null) ? null : (hideOwnerName ? getNameForEvent(owner) : owner.getName());
String victimName =
(victim == null) ? null : (hideOwnerName ? victim.getName() : getNameForEvent(victim));
return new Bullet(heading, x, y, power, ownerName, victimName, isActive(), bulletId);
}
public BulletPeer(RobotPeer owner, BattleRules battleRules, int bulletId) {
super();
this.owner = owner;
this.battleRules = battleRules;
this.bulletId = bulletId;
state = BulletState.FIRED;
color = owner.getBulletColor(); // Store current bullet color set on robot
}
private void checkWallCollision() {
if ((x - RADIUS <= 0)
|| (y - RADIUS <= 0)
|| (x + RADIUS >= battleRules.getBattlefieldWidth())
|| (y + RADIUS >= battleRules.getBattlefieldHeight())) {
state = BulletState.HIT_WALL;
frame = 0;
owner.addEvent(new BulletMissedEvent(createBullet(false)));
}
}
public void update(List<RobotPeer> robots, List<BulletPeer> bullets) {
frame++;
if (isActive()) {
updateMovement();
checkWallCollision();
if (isActive()) {
checkRobotCollision(robots);
}
if (isActive() && bullets != null) {
checkBulletCollision(bullets);
}
}
updateBulletState();
owner.addBulletStatus(createStatus());
}
private void checkBulletCollision(List<BulletPeer> bullets) {
for (BulletPeer b : bullets) {
if (b != null && b != this && b.isActive() && intersect(b.boundingLine)) {
state = BulletState.HIT_BULLET;
frame = 0;
x = lastX;
y = lastY;
b.state = BulletState.HIT_BULLET;
b.frame = 0;
b.x = b.lastX;
b.y = b.lastY;
owner.addEvent(new BulletHitBulletEvent(createBullet(false), b.createBullet(true)));
b.owner.addEvent(new BulletHitBulletEvent(b.createBullet(false), createBullet(true)));
break;
}
}
}
public double getPaintY() {
return (state == BulletState.HIT_VICTIM && victim != null) ? victim.getY() + deltaY : y;
}
private void checkRobotCollision(List<RobotPeer> robots) {
for (RobotPeer otherRobot : robots) {
if (!(otherRobot == null || otherRobot == owner || otherRobot.isDead())
&& otherRobot.getBoundingBox().intersectsLine(boundingLine)) {
state = BulletState.HIT_VICTIM;
frame = 0;
victim = otherRobot;
double damage = Rules.getBulletDamage(power);
double score = damage;
if (score > otherRobot.getEnergy()) {
score = otherRobot.getEnergy();
}
otherRobot.updateEnergy(-damage);
boolean teamFire =
(owner.getTeamPeer() != null && owner.getTeamPeer() == otherRobot.getTeamPeer());
if (!teamFire) {
owner.getRobotStatistics().scoreBulletDamage(otherRobot.getName(), score);
}
if (otherRobot.getEnergy() <= 0) {
if (otherRobot.isAlive()) {
otherRobot.kill();
if (!teamFire) {
final double bonus = owner.getRobotStatistics().scoreBulletKill(otherRobot.getName());
if (bonus > 0) {
owner.println(
"SYSTEM: Bonus for killing "
+ (owner.getNameForEvent(otherRobot) + ": " + (int) (bonus + .5)));
}
}
}
}
owner.updateEnergy(Rules.getBulletHitBonus(power));
Bullet bullet = createBullet(false);
otherRobot.addEvent(
new HitByBulletEvent(
robocode.util.Utils.normalRelativeAngle(
heading + Math.PI - otherRobot.getBodyHeading()),
bullet));
owner.addEvent(
new BulletHitEvent(owner.getNameForEvent(otherRobot), otherRobot.getEnergy(), bullet));
double newX, newY;
if (otherRobot.getBoundingBox().contains(lastX, lastY)) {
newX = lastX;
newY = lastY;
setX(newX);
setY(newY);
} else {
newX = x;
newY = y;
}
deltaX = newX - otherRobot.getX();
deltaY = newY - otherRobot.getY();
break;
}
}
}
private String getNameForEvent(RobotPeer otherRobot) {
if (battleRules.getHideEnemyNames() && !owner.isTeamMate(otherRobot)) {
return otherRobot.getAnnonymousName();
}
return otherRobot.getName();
}