org.bukkit.inventory.ItemStack.hasItemMeta()方法的使用及代码示例

x33g5p2x  于2022-01-21 转载在 其他  
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本文整理了Java中org.bukkit.inventory.ItemStack.hasItemMeta()方法的一些代码示例，展示了ItemStack.hasItemMeta()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。ItemStack.hasItemMeta()方法的具体详情如下：
包路径：org.bukkit.inventory.ItemStack
类名称：ItemStack
方法名：hasItemMeta

ItemStack.hasItemMeta介绍

[英]Checks to see if any meta data has been defined.
[中]检查是否定义了元数据。

代码示例

代码示例来源：origin: Bukkit/Bukkit

@Override
@Utility
public String toString() {
  StringBuilder toString = new StringBuilder("ItemStack{").append(getType().name()).append(" x ").append(getAmount());
  if (hasItemMeta()) {
    toString.append(", ").append(getItemMeta());
  }
  return toString.append('}').toString();
}

代码示例来源：origin: Bukkit/Bukkit

@Override
@Utility
public final int hashCode() {
  int hash = 1;
  hash = hash * 31 + getTypeId();
  hash = hash * 31 + getAmount();
  hash = hash * 31 + (getDurability() & 0xffff);
  hash = hash * 31 + (hasItemMeta() ? (meta == null ? getItemMeta().hashCode() : meta.hashCode()) : 0);
  return hash;
}

代码示例来源：origin: Bukkit/Bukkit

/**
 * This method is the same as equals, but does not consider stack size
 * (amount).
 *
 * @param stack the item stack to compare to
 * @return true if the two stacks are equal, ignoring the amount
 */
@Utility
public boolean isSimilar(ItemStack stack) {
  if (stack == null) {
    return false;
  }
  if (stack == this) {
    return true;
  }
  return getTypeId() == stack.getTypeId() && getDurability() == stack.getDurability() && hasItemMeta() == stack.hasItemMeta() && (hasItemMeta() ? Bukkit.getItemFactory().equals(getItemMeta(), stack.getItemMeta()) : true);
}

代码示例来源：origin: GlowstoneMC/Glowstone

/**
 * Write an item stack to the buffer.
 *
 * @param buf The buffer.
 * @param stack The stack to write, or null.
 */
public static void writeSlot(ByteBuf buf, ItemStack stack) {
  if (InventoryUtil.isEmpty(stack)) {
    buf.writeShort(-1);
  } else {
    buf.writeShort(stack.getTypeId());
    buf.writeByte(stack.getAmount());
    buf.writeShort(stack.getDurability());
    if (stack.hasItemMeta()) {
      CompoundTag tag = GlowItemFactory.instance().writeNbt(stack.getItemMeta());
      writeCompound(buf, tag);
    } else {
      writeCompound(buf, null);
    }
  }
}

代码示例来源：origin: Bukkit/Bukkit

/**
 * Creates a new item stack derived from the specified stack
 *
 * @param stack the stack to copy
 * @throws IllegalArgumentException if the specified stack is null or
 *     returns an item meta not created by the item factory
 */
public ItemStack(final ItemStack stack) throws IllegalArgumentException {
  Validate.notNull(stack, "Cannot copy null stack");
  this.type = stack.getTypeId();
  this.amount = stack.getAmount();
  this.durability = stack.getDurability();
  this.data = stack.getData();
  if (stack.hasItemMeta()) {
    setItemMeta0(stack.getItemMeta(), getType0());
  }
}

代码示例来源：origin: GlowstoneMC/Glowstone

@Override
  public void rightClickBlock(GlowPlayer player, GlowBlock against, BlockFace face,
    ItemStack holding, Vector clickedLoc, EquipmentSlot hand) {
    Location location = against.getLocation()
      .add(face.getModX(), face.getModY(), face.getModZ());
    // TODO: change mob spawner when clicked by monster egg
    if (holding.hasItemMeta() && holding.getItemMeta() instanceof GlowMetaSpawn) {
      GlowMetaSpawn meta = (GlowMetaSpawn) holding.getItemMeta();
      EntityType type = meta.getSpawnedType();
      CompoundTag tag = meta.getEntityTag();

      // TODO: check for fence/wall
      //if (face == BlockFace.UP && against instanceof BlockFence) {
      //location.add(0, 0.5, 0);
      //}

      if (type != null) {
        GlowEntity entity = against.getWorld()
          .spawn(location.add(0.5, 0, 0.5), EntityRegistry.getEntity(type),
            SpawnReason.SPAWNER_EGG);
        if (tag != null) {
          EntityStorage.load(entity, tag);
        }
        if (player.getGameMode() != GameMode.CREATIVE) {
          holding.setAmount(holding.getAmount() - 1);
        }
      }
    }
  }
}

代码示例来源：origin: GlowstoneMC/Glowstone

@Override
public boolean entityInteract(GlowPlayer player, InteractEntityMessage message) {
  if (!super.entityInteract(player, message)
      && message.getAction() == InteractEntityMessage.Action.INTERACT.ordinal()) {
    ItemStack item = InventoryUtil
      .itemOrEmpty(player.getInventory().getItem(message.getHandSlot()));
    int growthAmount = computeGrowthAmount(item.getType());
    // Spawn eggs are used to spawn babies
    if (item.getType() == Material.MONSTER_EGG && item.hasItemMeta()) {
      GlowMetaSpawn meta = (GlowMetaSpawn) item.getItemMeta();
      if (meta.hasSpawnedType() && meta.getSpawnedType() == this.getType()) {
        this.createBaby();
        if (player.getGameMode() == GameMode.SURVIVAL
          || player.getGameMode() == GameMode.ADVENTURE) {
          player.getInventory().consumeItemInHand(message.getHandSlot());
        }
        return true;
      }
    } else if (growthAmount > 0) {
      grow(growthAmount);
      world.spawnParticle(Particle.VILLAGER_HAPPY, location, 5);
      if (player.getGameMode() == GameMode.SURVIVAL
          || player.getGameMode() == GameMode.ADVENTURE) {
        player.getInventory().consumeItemInHand(message.getHandSlot());
      }
      return true;
    }
  }
  return false;
}

代码示例来源：origin: SpigotMC/Spigot-API

@Override
@Utility
public String toString() {
  StringBuilder toString = new StringBuilder("ItemStack{").append(getType().name()).append(" x ").append(getAmount());
  if (hasItemMeta()) {
    toString.append(", ").append(getItemMeta());
  }
  return toString.append('}').toString();
}

代码示例来源：origin: elBukkit/MagicPlugin

@Override
  public void run() {
    // Try to prevent quick-clicking dupe exploits
    ItemStack item = inventory.getItem(0);
    if (item != null && item.hasItemMeta()) {
      inventory.setItem(0, finalItem);
    }
  }
}, 1);

代码示例来源：origin: mcMMO-Dev/mcMMO

public static boolean isMcMMOItem(ItemStack item) {
  if (!item.hasItemMeta()) {
    return false;
  }
  ItemMeta itemMeta = item.getItemMeta();
  return itemMeta.hasLore() && itemMeta.getLore().contains("mcMMO Item");
}

代码示例来源：origin: stackoverflow.com

ItemStack itemInMainHand = player.getInventory().getItemInMainHand();
if (itemInMainHand != null && itemInMainHand.hasItemMeta()) {
  ItemMeta metaOfItemInHand = itemInMainHand.getItemMeta();
  if (metaOfItemInHand.hasLore() && 
     String.join(" ", metaOfItemInHand.getLore()).contains("lore")) {
    //do stuff
  }
}

代码示例来源：origin: TheBusyBiscuit/Slimefun4

public static float getMaxEnergy(ItemStack item) {
  if (item == null || item.getType() == null || item.getType().equals(Material.AIR)) return 0F;
  if (!item.hasItemMeta() || !item.getItemMeta().hasLore()) return 0F;
  for (String line: item.getItemMeta().getLore()) {
    if (line.startsWith(ChatColor.translateAlternateColorCodes('&', "&c&o&8\u21E8 &e\u26A1 &7")) && line.contains(" / ") && line.endsWith(" J")) {
      return Float.valueOf(line.split(" / ")[1].replace(" J", ""));
    }
  }
  return 0F;
}

代码示例来源：origin: TheBusyBiscuit/Slimefun4

public static float getStoredEnergy(ItemStack item) {
  if (item == null || item.getType() == null || item.getType().equals(Material.AIR)) return 0F;
  if (!item.hasItemMeta() || !item.getItemMeta().hasLore()) return 0F;
  
  for (String line: item.getItemMeta().getLore()) {
    if (line.startsWith(ChatColor.translateAlternateColorCodes('&', "&c&o&8\u21E8 &e\u26A1 &7")) && line.contains(" / ") && line.endsWith(" J")) {
      return Float.valueOf(line.split(" / ")[0].replace(ChatColor.translateAlternateColorCodes('&', "&c&o&8\u21E8 &e\u26A1 &7"), ""));
    }
  }
  return 0F;
}

代码示例来源：origin: stackoverflow.com

ItemStack item = player.getInventory().getItemInHand();
if(item != null && item.getType() == Material.EGG) {
  if(item.hasItemMeta() && 
    item.getItemMeta().hasDisplayName() && 
    item.getItemMeta().getDisplayName().equals("PartyEgg")) {
    ....
  }
}

代码示例来源：origin: eccentricdevotion/TARDIS

private boolean matrixContains(CraftingInventory inventory, String circuit) {
    for (ItemStack is : inventory.getMatrix()) {
      if (is != null && is.getType().equals(Material.FILLED_MAP) && is.hasItemMeta() && is.getItemMeta().hasDisplayName() && is.getItemMeta().getDisplayName().equals(circuit)) {
        return true;
      }
    }
    return false;
  }
}

代码示例来源：origin: CitizensDev/CitizensAPI

@SuppressWarnings("unchecked")
private static <T extends ItemMeta> T ensureMeta(ItemStack stack) {
  if (!stack.hasItemMeta()) {
    stack.setItemMeta(Bukkit.getServer().getItemFactory().getItemMeta(stack.getType()));
  }
  return (T) stack.getItemMeta();
}

代码示例来源：origin: eccentricdevotion/TARDIS

private void twaOff(Player player) {
    ItemStack chest = player.getInventory().getChestplate();
    if (chest != null && chest.hasItemMeta() && chest.getItemMeta().hasDisplayName()) {
      String metaName = chest.getItemMeta().getDisplayName();
      if (twaChests.contains(metaName)) {
        plugin.getServer().dispatchCommand(plugin.getConsole(), "twad ANGEL off " + player.getUniqueId());
      }
    }
  }
}

代码示例来源：origin: eccentricdevotion/TARDIS

@EventHandler(ignoreCancelled = true)
public void onPlayerDropAreaDisk(PlayerDropItemEvent event) {
  ItemStack stack = event.getItemDrop().getItemStack();
  if (stack != null && stack.getType().equals(Material.MUSIC_DISC_BLOCKS) && stack.hasItemMeta()) {
    ItemMeta ims = stack.getItemMeta();
    if (ims.hasDisplayName() && ims.getDisplayName().equals("Area Storage Disk")) {
      event.setCancelled(true);
      Player p = event.getPlayer();
      TARDISMessage.send(p, "ADV_NO_DROP");
    }
  }
}

代码示例来源：origin: TheBusyBiscuit/Slimefun4

@EventHandler
public void onPickup(EntityPickupItemEvent e) {
  if (e.getItem().hasMetadata("no_pickup")) e.setCancelled(true);
  else if (!e.getItem().hasMetadata("no_pickup") && e.getItem().getItemStack().hasItemMeta() && e.getItem().getItemStack().getItemMeta().hasDisplayName() && e.getItem().getItemStack().getItemMeta().getDisplayName().startsWith(ChatColor.translateAlternateColorCodes('&', "&5&dALTAR &3Probe - &e"))) {
    e.setCancelled(true);
    e.getItem().remove();
  }
}

代码示例来源：origin: TheBusyBiscuit/Slimefun4

@EventHandler
  public void onMinecartPickup(InventoryPickupItemEvent e) {
    if (e.getItem().hasMetadata("no_pickup")) e.setCancelled(true);
    else if (!e.getItem().hasMetadata("no_pickup") && e.getItem().getItemStack().hasItemMeta() && e.getItem().getItemStack().getItemMeta().hasDisplayName() && e.getItem().getItemStack().getItemMeta().getDisplayName().startsWith(ChatColor.translateAlternateColorCodes('&', "&5&dALTAR &3Probe - &e"))) {
      e.setCancelled(true);
      e.getItem().remove();
    }
  }
}

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