private void fire(Person person, Room room) {
AbstractWeapon gun = person.getWeapon();
person.setShotCooldown(System.currentTimeMillis() + gun.getShotTimeout());
gun.setTotalClip(gun.getTotalClip() - 1);
gun.setCurrentClip(gun.getCurrentClip() - 1);
Integer id = gameContext.getProjectilesIds().getAndIncrement();
Projectile[] projectilesBatch = new Projectile[gun.getBulletsPerShot()];
for (int i = 0; i < projectilesBatch.length; i++) {
Projectile projectile = getCompatibleProjectile(person);
projectile.setId(i);
projectilesBatch[i] = projectile;
float angle = projectile.getAngle();
if (angle == 90) {
projectile.setxEnd((int) person.getX());
int gunLimit = (int) (projectile.getRadius() + person.getY());
projectile.setyEnd(gunLimit > room.getMap().getY() ? room.getMap().getY() : gunLimit);
} else if (angle == 180) {
projectile.setyEnd((int) person.getY());
int gunLimit = (int) person.getX() - (int) projectile.getRadius();
projectile.setyEnd(gunLimit > 0 ? gunLimit : 0);
} else if (angle == 270) {
projectile.setxEnd((int) person.getX());
int gunLimit = (int) person.getY() - (int) projectile.getRadius();
projectile.setyEnd(gunLimit > 0 ? gunLimit : 0);
} else if (angle == 0) {
projectile.setyEnd((int) person.getY());
int gunLimit = (int) person.getX() + (int) projectile.getRadius();
projectile.setyEnd(gunLimit > room.getMap().getX() ? room.getMap().getX() : gunLimit);
} else {
double y = projectile.getRadius() * Math.sin(angle * Math.PI / 180);
double x = projectile.getRadius() * Math.cos(angle * Math.PI / 180);
projectile.setxEnd((int) x + (int) person.getX());
projectile.setyEnd((int) y + (int) person.getY());
}
if (projectile.isInstant()) {
calculateInstantImpacts(person, projectile, room);
}
}
room.getProjectiles().put(id, projectilesBatch);
}
private void onFlameLifecycle(Room room, Flame flame, Integer flameBathcId) {
if (!flame.isStoped()) {
updatePosition(flame);
}
if (!flame.isStoped()) {
if (flame.getxStart() <= 0
|| flame.getxStart() >= room.getMap().getX()
|| flame.getyStart() <= 0
|| flame.getyStart() >= room.getMap().getY()) {
flame.setStoped(true);
}
}
Circle flameCircle =
new Circle(flame.getxStart(), flame.getyStart(), PersonWebSocketEndpoint.FIRE_RADIUS);
if (!flame.isStoped()) {
for (AbstractZone zone : room.getMap().getZones()) {
if (!zone.isShootable()) {
Point[] point =
CircleService.circleBoundsIntersection(
flameCircle,
new Bounds(zone.getX(), zone.getY(), zone.getWidth(), zone.getHeight()));
if (point.length > 0) {
flame.setStoped(true);
break;
}
}
}
}
for (Person person : room.getPersons().values()) {
if (person.getId() != flame.getPersonId()) {
Circle personCircle =
new Circle(person.getX(), person.getY(), PersonWebSocketEndpoint.PERSON_RADIUS);
Point[] point = CircleService.circleCircleIntersection(flameCircle, personCircle);
if (point.length > 0) {
onDamage(room.getPersons().get(flame.getPersonId()), flame.getDamage(), person, room);
room.getProjectiles().remove(flameBathcId);
}
}
}
}
private Projectile getCompatibleProjectile(Person person) {
float angle = getNewProjectileAngle(person);
if (person.getWeapon() instanceof Knife) {
return new KnifeAmmo((int) person.getX(), (int) person.getY(), angle);
} else if (person.getWeapon() instanceof Pistol
|| person.getWeapon() instanceof AssaultRifle
|| person.getWeapon() instanceof Minigun) {
return new Bullet((int) person.getX(), (int) person.getY(), angle);
} else if (person.getWeapon() instanceof Shotgun) {
return new Shot((int) person.getX(), (int) person.getY(), angle);
} else if (person.getWeapon() instanceof SniperRifle) {
return new SniperBullet((int) person.getX(), (int) person.getY(), angle);
} else if (person.getWeapon() instanceof RocketLauncher) {
return new Rocket((int) person.getX(), (int) person.getY(), angle, person.getId());
} else if (person.getWeapon() instanceof Flamethrower) {
return new Flame((int) person.getX(), (int) person.getY(), angle, person.getId());
} else {
throw new RuntimeException("Person have no weapon!");
}
}
private void onRocketLifecycle(Room room, Rocket rocket, Integer rocketBatchId) {
updatePosition(rocket);
Circle rocketCircle =
new Circle(rocket.getxStart(), rocket.getyStart(), PersonWebSocketEndpoint.ROCKET_RADIUS);
Explosion explosion = null;
if (rocket.getxStart() <= 0
|| rocket.getxStart() >= room.getMap().getX()
|| rocket.getyStart() <= 0
|| rocket.getyStart() >= room.getMap().getY()) {
explosion = new Explosion((int) rocket.getxStart(), (int) rocket.getyStart());
}
if (explosion == null) {
for (AbstractZone zone : room.getMap().getZones()) {
if (!zone.isShootable()) {
Point[] point =
CircleService.circleBoundsIntersection(
rocketCircle,
new Bounds(zone.getX(), zone.getY(), zone.getWidth(), zone.getHeight()));
if (point.length > 0) {
explosion = new Explosion((int) point[0].getX(), (int) point[0].getY());
break;
}
}
}
}
if (explosion == null) {
for (Person person : room.getPersons().values()) {
if (person.getId() != rocket.getPersonId()) {
Circle personCircle =
new Circle(person.getX(), person.getY(), PersonWebSocketEndpoint.PERSON_RADIUS);
Point[] point = CircleService.circleCircleIntersection(rocketCircle, personCircle);
if (point.length > 0) {
explosion = new Explosion((int) point[0].getX(), (int) point[0].getY());
onDamage(room.getPersons().get(rocket.getPersonId()), rocket.getDamage(), person, room);
break;
}
}
}
}
if (explosion != null) {
explosion.setxEnd((int) explosion.getxStart());
explosion.setyEnd((int) explosion.getyStart());
int id = gameContext.getProjectilesIds().getAndIncrement();
room.getProjectiles().put(id, new Projectile[] {explosion});
Circle explosionCircle =
new Circle(explosion.getxStart(), explosion.getyStart(), explosion.getRadius());
Person shooter = room.getPersons().get(rocket.getPersonId());
for (Person person : room.getPersons().values()) {
double damageFactor =
PointService.pointBelongToCircle(
new Point(person.getX(), person.getY()), explosionCircle);
if (damageFactor > -1) {
double damage = explosion.getDamage() + damageFactor * explosion.getDamageFactor();
onDamage(shooter, (int) damage, person, room);
}
}
room.getProjectiles().remove(rocketBatchId);
}
}
private synchronized void calculateInstantImpacts(
Person shooter, Projectile projectile, Room room) {
double xStart = projectile.getxStart();
double yStart = projectile.getyStart();
Person closestPerson = null;
Point closestPoint = null;
for (AbstractZone zone : room.getMap().getZones()) {
if (zone.isShootable()) {
continue;
}
Bounds zoneBounds = GeometryService.getRectangle(zone);
Point[] zoneIntersection =
LineService.lineBoundsIntersections(
new Line(
new Point(shooter.getX(), shooter.getY()),
new Point(projectile.getxEnd(), projectile.getyEnd())),
zoneBounds);
Point closest =
isMoreClose(
(int) projectile.getxStart(),
(int) projectile.getyStart(),
new Point(projectile.getxEnd(), projectile.getyEnd()),
zoneIntersection);
if (closest != null) {
closestPoint = closest;
projectile.setxEnd((int) closest.getX());
projectile.setyEnd((int) closest.getY());
}
}
for (Person person : room.getPersons().values()) {
Point linePointB = new Point((double) projectile.getxEnd(), (double) projectile.getyEnd());
Point[] intersectionPoints =
LineService.lineIntersectCircle(
new Line(new Point(xStart, yStart), linePointB),
new Circle(person.getX(), person.getY(), PersonWebSocketEndpoint.PERSON_RADIUS));
if (shooter == person) {
projectile.setxStart((int) intersectionPoints[0].getX());
projectile.setyStart((int) intersectionPoints[0].getY());
continue;
}
if (intersectionPoints != null && intersectionPoints.length > 0) {
Point closest =
isMoreClose(
(int) shooter.getX(), (int) shooter.getY(), closestPoint, intersectionPoints);
if (closest != null) {
if (projectile.isPiercing()) {
onDamage(shooter, projectile.getDamage(), person, room);
} else {
closestPoint = closest;
closestPerson = person;
}
}
}
}
if (closestPerson != null) {
onDamage(shooter, projectile.getDamage(), closestPerson, room);
}
if (closestPoint != null) {
projectile.setxEnd((int) closestPoint.getX());
projectile.setyEnd((int) closestPoint.getY());
}
}