DirectionBook.java 文件源码

public void onPlayerPickupBook(PlayerPickupItemEvent event) {
        final Player player = event.getPlayer();
        if (player.getWorld().equals(griefFree)) {
            Item drop = event.getItem();
            if (drop.equals(droppedBook) || drop.equals(droppedShovel) || drop.equals(droppedStick)) {
//              PlayerInventory playerInv = player.getInventory();
                if (!recieved.contains(player)) {
                    if (drop.equals(droppedBook)) {
                        spawnBook(false);
                        plugin.getServer().getScheduler().scheduleSyncDelayedTask(plugin, new Runnable() {
                            @Override 
                            public void run() {
                                recieved.add(player);
                            }
                        }, 2);
                    }
                } else {
                    event.setCancelled(true);
                }
            }
        }
    }