org.bukkit.entity.Player#getPassenger ( )源码实例Demo

@SuppressWarnings("deprecation")
@Override
public boolean shoot(Gun g, Player p, ItemStack i) {

	Location start = p.getEyeLocation().clone();
	Vector go = p.getLocation().getDirection().normalize();
	//go.add(new Vector((Math.random() * 2 * sway) - sway, (Math.random() * 2 * sway) - sway,
	//		(Math.random() * 2 * sway) - sway));
	GunUtil.playShoot(g,  p);

	boolean lookup = (go.getY() > go.getX() && go.getY() > go.getZ());
	boolean lookdown = (-go.getY() > go.getX() && -go.getY() > go.getZ());
	
	double degreeVector = Math.atan2(go.getX(), go.getZ());
	if (degreeVector > Math.PI)
		degreeVector = 2 * Math.PI - degreeVector;
	for (Entity e : p.getNearbyEntities(g.getMaxDistance(), g.getMaxDistance(), g.getMaxDistance())) {
		double dis = e.getLocation().distance(start);
		if (e instanceof Damageable)
			if (e != p && e != p.getVehicle() && e != p.getPassenger()) {
				double degreeEntity = Math.atan2(e.getLocation().getX() - start.getX(),
						e.getLocation().getZ() - start.getZ());
				if (degreeEntity > Math.PI)
					degreeEntity = 2 * Math.PI - degreeEntity;
				
				if ((lookup && e.getLocation().getY() > start.getY()) || (lookdown && e.getLocation().getY() < start.getY()) ||
						
						
						(!lookdown&&!lookup&&Math.max(degreeEntity, degreeVector)
						- Math.min(degreeEntity, degreeVector) < (dis > 10 ? Math.PI / 4 : Math.PI / 2))) {
					
					Vector pushback = new Vector(e.getLocation().getX() - start.getX(),e.getLocation().getY() - start.getY(),
							e.getLocation().getZ() - start.getZ());
					pushback.normalize().multiply(g.getMaxDistance()/(dis));
					e.setVelocity(pushback);
				}
			}
	}
	return false;
}
 

@Override
public boolean effect(Event event, final Player player) {
	if(event instanceof PlayerInteractEntityEvent) {
		PlayerInteractEntityEvent e = (PlayerInteractEntityEvent) event;
		e.setCancelled(true);
		final Entity clicked = e.getRightClicked();
		if(!player.hasMetadata("ce." + getOriginalName()))
			if(!clicked.getType().equals(EntityType.PAINTING) && !clicked.getType().equals(EntityType.ITEM_FRAME) && clicked.getPassenger() != player && player.getPassenger() == null) {
				player.setMetadata("ce." + getOriginalName(), new FixedMetadataValue(main, false));

				player.setPassenger(clicked);

				player.getWorld().playEffect(player.getLocation(), Effect.ZOMBIE_CHEW_IRON_DOOR, 10);

				new BukkitRunnable() {

					@Override
					public void run() {
						player.getWorld().playEffect(player.getLocation(), Effect.CLICK2, 10);
						player.setMetadata("ce." + getOriginalName(), new FixedMetadataValue(main, true));
						this.cancel();
					}
				}.runTaskLater(main, ThrowDelayAfterGrab);

				new BukkitRunnable() {

					int			GrabTime	= MaxGrabtime;
					ItemStack	current		= player.getItemInHand();

					@Override
					public void run() {
						if(current.equals(player.getItemInHand())) {
							current = player.getItemInHand();
						if(GrabTime > 0) {
							if(!player.hasMetadata("ce." + getOriginalName())) {
								this.cancel();
							}
							GrabTime--;
						} else if(GrabTime <= 0) {
							if(player.hasMetadata("ce." + getOriginalName())) {
								player.getWorld().playEffect(player.getLocation(), Effect.CLICK1, 10);
								player.removeMetadata("ce." + getOriginalName(), main);
								generateCooldown(player, getCooldown());
							}
							clicked.leaveVehicle();
							this.cancel();
						}
					  } else {
						  player.removeMetadata("ce." + getOriginalName(), main);
						  generateCooldown(player, getCooldown());
						  this.cancel();
					  }
					}
				}.runTaskTimer(main, 0l, 10l);
			}
	} else if(event instanceof PlayerInteractEvent) {
		if(player.hasMetadata("ce." + getOriginalName()) && player.getMetadata("ce." + getOriginalName()).get(0).asBoolean())
				if(player.getPassenger() != null) {
					Entity passenger = player.getPassenger();
					player.getPassenger().leaveVehicle();
					passenger.setVelocity(player.getLocation().getDirection().multiply(ThrowSpeedMultiplier));
					player.getWorld().playEffect(player.getLocation(), Effect.ZOMBIE_DESTROY_DOOR, 10);
					player.removeMetadata("ce." + getOriginalName(), main);
					return true;
				}
	}
	return false;
}