Example #1
0
 synchronized void onProjectileLifecycle(
     ConcurrentHashMap<Integer, Projectile[]> projectiles, Room room) {
   Long now = System.currentTimeMillis();
   for (Map.Entry<Integer, Projectile[]> entry : projectiles.entrySet()) {
     for (Projectile projectile : entry.getValue()) {
       projectile.setNow(System.currentTimeMillis());
       if (projectile.getCreationTime() + projectile.getLifeTime() < now) {
         projectiles.remove(entry.getKey());
         continue;
       }
       if (!projectile.isInstant()) {
         checkForImpacts(room, projectile, entry.getKey());
       }
     }
   }
 }
Example #2
0
 private void updatePosition(Projectile projectile) {
   double distance = projectile.getRadius() * Context.TICK_DELAY / projectile.getLifeTime();
   double angle = projectile.getAngle() * Math.PI / 180;
   double y = distance * Math.sin(angle);
   double x = distance * Math.cos(angle);
   projectile.setxStart(projectile.getxStart() + x);
   projectile.setyStart(projectile.getyStart() + y);
 }
Example #3
0
  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);
  }
Example #4
0
  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());
    }
  }