cn.nukkit.item.Item Maven / Gradle / Ivy
package cn.nukkit.item;
import cn.nukkit.Player;
import cn.nukkit.Server;
import cn.nukkit.api.*;
import cn.nukkit.block.Block;
import cn.nukkit.block.BlockID;
import cn.nukkit.block.BlockUnknown;
import cn.nukkit.blockproperty.UnknownRuntimeIdException;
import cn.nukkit.blockproperty.exception.BlockPropertyNotFoundException;
import cn.nukkit.blockproperty.exception.InvalidBlockPropertyMetaException;
import cn.nukkit.blockstate.BlockState;
import cn.nukkit.blockstate.BlockStateRegistry;
import cn.nukkit.blockstate.exception.InvalidBlockStateException;
import cn.nukkit.entity.Entity;
import cn.nukkit.inventory.Fuel;
import cn.nukkit.inventory.ItemTag;
import cn.nukkit.item.customitem.CustomItem;
import cn.nukkit.item.customitem.CustomItemDefinition;
import cn.nukkit.item.enchantment.Enchantment;
import cn.nukkit.item.randomitem.ItemEchoShard;
import cn.nukkit.level.Level;
import cn.nukkit.math.BlockFace;
import cn.nukkit.math.Vector3;
import cn.nukkit.nbt.NBTIO;
import cn.nukkit.nbt.tag.*;
import cn.nukkit.utils.*;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.annotations.SerializedName;
import io.netty.util.internal.EmptyArrays;
import it.unimi.dsi.fastutil.ints.Int2IntArrayMap;
import it.unimi.dsi.fastutil.ints.Int2IntMap;
import lombok.SneakyThrows;
import lombok.extern.log4j.Log4j2;
import org.jetbrains.annotations.NotNull;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UncheckedIOException;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Modifier;
import java.nio.ByteOrder;
import java.util.*;
import java.util.function.Function;
import java.util.function.Supplier;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.stream.Collectors;
import java.util.stream.Stream;
/**
* @author MagicDroidX (Nukkit Project)
*/
@Log4j2
public class Item implements Cloneable, BlockID, ItemID {
@PowerNukkitXOnly
@Since("1.19.70-r1")
public static final Item AIR_ITEM = new Item(0);
@PowerNukkitOnly
@Since("1.4.0.0-PN")
public static final Item[] EMPTY_ARRAY = new Item[0];
/**
* Groups:
*
* - namespace (optional)
* - item name (choice)
* - damage (optional, for item name)
* - numeric id (choice)
* - damage (optional, for numeric id)
*
*/
private static final Pattern ITEM_STRING_PATTERN = Pattern.compile(
// 1:namespace 2:name 3:damage 4:num-id 5:damage
"^(?:(?:([a-z_]\\w*):)?([a-z._]\\w*)(?::(-?\\d+))?|(-?\\d+)(?::(-?\\d+))?)$");
public static String UNKNOWN_STR = "Unknown";
public static Class[] list = null;
private static Map itemIds = Arrays.stream(ItemID.class.getDeclaredFields())
.filter(field -> field.getModifiers() == (Modifier.PUBLIC | Modifier.STATIC | Modifier.FINAL))
.filter(field -> field.getType().equals(int.class))
.collect(Collectors.toMap(
field -> field.getName().toLowerCase(),
field -> {
try {
return field.getInt(null);
} catch (IllegalAccessException e) {
throw new InternalError(e);
}
},
(e1, e2) -> e1, LinkedHashMap::new
));
private static Map blockIds = Arrays.stream(BlockID.class.getDeclaredFields())
.filter(field -> field.getModifiers() == (Modifier.PUBLIC | Modifier.STATIC | Modifier.FINAL))
.filter(field -> field.getType().equals(int.class))
.collect(Collectors.toMap(
field -> field.getName().toLowerCase(),
field -> {
try {
int blockId = field.getInt(null);
if (blockId > 255) {
return 255 - blockId;
}
return blockId;
} catch (IllegalAccessException e) {
throw new InternalError(e);
}
},
(e1, e2) -> e1, LinkedHashMap::new
));
@PowerNukkitXOnly
@Since("1.6.0.0-PNX")
private static final HashMap> CUSTOM_ITEMS = new HashMap<>();
@PowerNukkitXOnly
@Since("1.19.31-r1")
private static final HashMap CUSTOM_ITEM_DEFINITIONS = new HashMap<>();
protected Block block = null;
protected final int id;
protected int meta;
protected boolean hasMeta = true;
private byte[] tags = EmptyArrays.EMPTY_BYTES;
private transient CompoundTag cachedNBT = null;
public int count;
@Deprecated
@DeprecationDetails(since = "1.4.0.0-PN", by = "PowerNukkit", reason = "Unused", replaceWith = "meta or getDamage()")
protected int durability = 0;
protected String name;
public Item(int id) {
this(id, 0, 1, UNKNOWN_STR);
}
public Item(int id, Integer meta) {
this(id, meta, 1, UNKNOWN_STR);
}
public Item(int id, Integer meta, int count) {
this(id, meta, count, UNKNOWN_STR);
}
public Item(int id, Integer meta, int count, String name) {
//this.id = id & 0xffff;
this.id = id;
if (meta != null && meta >= 0) {
this.meta = meta & 0xffff;
} else {
this.hasMeta = false;
}
this.count = count;
this.name = name != null ? name.intern() : null;
/*f (this.block != null && this.id <= 0xff && Block.list[id] != null) { //probably useless
this.block = Block.get(this.id, this.meta);
this.name = this.block.getName();
}*/
}
public boolean hasMeta() {
return hasMeta;
}
public boolean canBeActivated() {
return false;
}
public static void init() {
if (list == null) {
list = new Class[65535];
list[IRON_SHOVEL] = ItemShovelIron.class; //256
list[IRON_PICKAXE] = ItemPickaxeIron.class; //257
list[IRON_AXE] = ItemAxeIron.class; //258
list[FLINT_AND_STEEL] = ItemFlintSteel.class; //259
list[APPLE] = ItemApple.class; //260
list[BOW] = ItemBow.class; //261
list[ARROW] = ItemArrow.class; //262
list[COAL] = ItemCoal.class; //263
list[DIAMOND] = ItemDiamond.class; //264
list[IRON_INGOT] = ItemIngotIron.class; //265
list[GOLD_INGOT] = ItemIngotGold.class; //266
list[IRON_SWORD] = ItemSwordIron.class; //267
list[WOODEN_SWORD] = ItemSwordWood.class; //268
list[WOODEN_SHOVEL] = ItemShovelWood.class; //269
list[WOODEN_PICKAXE] = ItemPickaxeWood.class; //270
list[WOODEN_AXE] = ItemAxeWood.class; //271
list[STONE_SWORD] = ItemSwordStone.class; //272
list[STONE_SHOVEL] = ItemShovelStone.class; //273
list[STONE_PICKAXE] = ItemPickaxeStone.class; //274
list[STONE_AXE] = ItemAxeStone.class; //275
list[DIAMOND_SWORD] = ItemSwordDiamond.class; //276
list[DIAMOND_SHOVEL] = ItemShovelDiamond.class; //277
list[DIAMOND_PICKAXE] = ItemPickaxeDiamond.class; //278
list[DIAMOND_AXE] = ItemAxeDiamond.class; //279
list[STICK] = ItemStick.class; //280
list[BOWL] = ItemBowl.class; //281
list[MUSHROOM_STEW] = ItemMushroomStew.class; //282
list[GOLD_SWORD] = ItemSwordGold.class; //283
list[GOLD_SHOVEL] = ItemShovelGold.class; //284
list[GOLD_PICKAXE] = ItemPickaxeGold.class; //285
list[GOLD_AXE] = ItemAxeGold.class; //286
list[STRING] = ItemString.class; //287
list[FEATHER] = ItemFeather.class; //288
list[GUNPOWDER] = ItemGunpowder.class; //289
list[WOODEN_HOE] = ItemHoeWood.class; //290
list[STONE_HOE] = ItemHoeStone.class; //291
list[IRON_HOE] = ItemHoeIron.class; //292
list[DIAMOND_HOE] = ItemHoeDiamond.class; //293
list[GOLD_HOE] = ItemHoeGold.class; //294
list[WHEAT_SEEDS] = ItemSeedsWheat.class; //295
list[WHEAT] = ItemWheat.class; //296
list[BREAD] = ItemBread.class; //297
list[LEATHER_CAP] = ItemHelmetLeather.class; //298
list[LEATHER_TUNIC] = ItemChestplateLeather.class; //299
list[LEATHER_PANTS] = ItemLeggingsLeather.class; //300
list[LEATHER_BOOTS] = ItemBootsLeather.class; //301
list[CHAIN_HELMET] = ItemHelmetChain.class; //302
list[CHAIN_CHESTPLATE] = ItemChestplateChain.class; //303
list[CHAIN_LEGGINGS] = ItemLeggingsChain.class; //304
list[CHAIN_BOOTS] = ItemBootsChain.class; //305
list[IRON_HELMET] = ItemHelmetIron.class; //306
list[IRON_CHESTPLATE] = ItemChestplateIron.class; //307
list[IRON_LEGGINGS] = ItemLeggingsIron.class; //308
list[IRON_BOOTS] = ItemBootsIron.class; //309
list[DIAMOND_HELMET] = ItemHelmetDiamond.class; //310
list[DIAMOND_CHESTPLATE] = ItemChestplateDiamond.class; //311
list[DIAMOND_LEGGINGS] = ItemLeggingsDiamond.class; //312
list[DIAMOND_BOOTS] = ItemBootsDiamond.class; //313
list[GOLD_HELMET] = ItemHelmetGold.class; //314
list[GOLD_CHESTPLATE] = ItemChestplateGold.class; //315
list[GOLD_LEGGINGS] = ItemLeggingsGold.class; //316
list[GOLD_BOOTS] = ItemBootsGold.class; //317
list[FLINT] = ItemFlint.class; //318
list[RAW_PORKCHOP] = ItemPorkchopRaw.class; //319
list[COOKED_PORKCHOP] = ItemPorkchopCooked.class; //320
list[PAINTING] = ItemPainting.class; //321
list[GOLDEN_APPLE] = ItemAppleGold.class; //322
list[SIGN] = ItemSign.class; //323
list[WOODEN_DOOR] = ItemDoorWood.class; //324
list[BUCKET] = ItemBucket.class; //325
list[MINECART] = ItemMinecart.class; //328
list[SADDLE] = ItemSaddle.class; //329
list[IRON_DOOR] = ItemDoorIron.class; //330
list[REDSTONE] = ItemRedstone.class; //331
list[SNOWBALL] = ItemSnowball.class; //332
list[BOAT] = ItemBoat.class; //333
list[LEATHER] = ItemLeather.class; //334
list[KELP] = ItemKelp.class; //335
list[BRICK] = ItemBrick.class; //336
list[CLAY] = ItemClay.class; //337
list[SUGARCANE] = ItemSugarcane.class; //338
list[PAPER] = ItemPaper.class; //339
list[BOOK] = ItemBook.class; //340
list[SLIMEBALL] = ItemSlimeball.class; //341
list[CHEST_MINECART] = ItemMinecartChest.class; //342
list[EGG] = ItemEgg.class; //344
list[COMPASS] = ItemCompass.class; //345
list[FISHING_ROD] = ItemFishingRod.class; //346
list[CLOCK] = ItemClock.class; //347
list[GLOWSTONE_DUST] = ItemGlowstoneDust.class; //348
list[RAW_FISH] = ItemFish.class; //349
list[COOKED_FISH] = ItemFishCooked.class; //350
list[DYE] = ItemDye.class; //351
list[BONE] = ItemBone.class; //352
list[SUGAR] = ItemSugar.class; //353
list[CAKE] = ItemCake.class; //354
list[BED] = ItemBed.class; //355
list[REPEATER] = ItemRedstoneRepeater.class; //356
list[COOKIE] = ItemCookie.class; //357
list[MAP] = ItemMap.class; //358
list[SHEARS] = ItemShears.class; //359
list[MELON] = ItemMelon.class; //360
list[PUMPKIN_SEEDS] = ItemSeedsPumpkin.class; //361
list[MELON_SEEDS] = ItemSeedsMelon.class; //362
list[RAW_BEEF] = ItemBeefRaw.class; //363
list[STEAK] = ItemSteak.class; //364
list[RAW_CHICKEN] = ItemChickenRaw.class; //365
list[COOKED_CHICKEN] = ItemChickenCooked.class; //366
list[ROTTEN_FLESH] = ItemRottenFlesh.class; //367
list[ENDER_PEARL] = ItemEnderPearl.class; //368
list[BLAZE_ROD] = ItemBlazeRod.class; //369
list[GHAST_TEAR] = ItemGhastTear.class; //370
list[GOLD_NUGGET] = ItemNuggetGold.class; //371
list[NETHER_WART] = ItemNetherWart.class; //372
list[POTION] = ItemPotion.class; //373
list[GLASS_BOTTLE] = ItemGlassBottle.class; //374
list[SPIDER_EYE] = ItemSpiderEye.class; //375
list[FERMENTED_SPIDER_EYE] = ItemSpiderEyeFermented.class; //376
list[BLAZE_POWDER] = ItemBlazePowder.class; //377
list[MAGMA_CREAM] = ItemMagmaCream.class; //378
list[BREWING_STAND] = ItemBrewingStand.class; //379
list[CAULDRON] = ItemCauldron.class; //380
list[ENDER_EYE] = ItemEnderEye.class; //381
list[GLISTERING_MELON] = ItemMelonGlistering.class; //382
list[SPAWN_EGG] = ItemSpawnEgg.class; //383
list[EXPERIENCE_BOTTLE] = ItemExpBottle.class; //384
list[FIRE_CHARGE] = ItemFireCharge.class; //385
list[BOOK_AND_QUILL] = ItemBookAndQuill.class; //386
list[WRITTEN_BOOK] = ItemBookWritten.class; //387
list[EMERALD] = ItemEmerald.class; //388
list[ITEM_FRAME] = ItemItemFrame.class; //389
list[FLOWER_POT] = ItemFlowerPot.class; //390
list[CARROT] = ItemCarrot.class; //391
list[POTATO] = ItemPotato.class; //392
list[BAKED_POTATO] = ItemPotatoBaked.class; //393
list[POISONOUS_POTATO] = ItemPotatoPoisonous.class; //394
list[EMPTY_MAP] = ItemEmptyMap.class; //395
list[GOLDEN_CARROT] = ItemCarrotGolden.class; //396
list[SKULL] = ItemSkull.class; //397
list[CARROT_ON_A_STICK] = ItemCarrotOnAStick.class; //398
list[NETHER_STAR] = ItemNetherStar.class; //399
list[PUMPKIN_PIE] = ItemPumpkinPie.class; //400
list[FIREWORKS] = ItemFirework.class; //401
list[FIREWORKSCHARGE] = ItemFireworkStar.class; //402
list[ENCHANTED_BOOK] = ItemBookEnchanted.class; //403
list[COMPARATOR] = ItemRedstoneComparator.class; //404
list[NETHER_BRICK] = ItemNetherBrick.class; //405
list[QUARTZ] = ItemQuartz.class; //406
list[TNT_MINECART] = ItemMinecartTNT.class; //407
list[HOPPER_MINECART] = ItemMinecartHopper.class; //408
list[PRISMARINE_SHARD] = ItemPrismarineShard.class; //409
list[HOPPER] = ItemHopper.class;
list[RAW_RABBIT] = ItemRabbitRaw.class; //411
list[COOKED_RABBIT] = ItemRabbitCooked.class; //412
list[RABBIT_STEW] = ItemRabbitStew.class; //413
list[RABBIT_FOOT] = ItemRabbitFoot.class; //414
list[RABBIT_HIDE] = ItemRabbitHide.class; //415
list[LEATHER_HORSE_ARMOR] = ItemHorseArmorLeather.class; //416
list[IRON_HORSE_ARMOR] = ItemHorseArmorIron.class; //417
list[GOLD_HORSE_ARMOR] = ItemHorseArmorGold.class; //418
list[DIAMOND_HORSE_ARMOR] = ItemHorseArmorDiamond.class; //419
list[LEAD] = ItemLead.class; //420
list[NAME_TAG] = ItemNameTag.class; //421
list[PRISMARINE_CRYSTALS] = ItemPrismarineCrystals.class; //422
list[RAW_MUTTON] = ItemMuttonRaw.class; //423
list[COOKED_MUTTON] = ItemMuttonCooked.class; //424
list[ARMOR_STAND] = ItemArmorStand.class; //425
list[END_CRYSTAL] = ItemEndCrystal.class; //426
list[SPRUCE_DOOR] = ItemDoorSpruce.class; //427
list[BIRCH_DOOR] = ItemDoorBirch.class; //428
list[JUNGLE_DOOR] = ItemDoorJungle.class; //429
list[ACACIA_DOOR] = ItemDoorAcacia.class; //430
list[DARK_OAK_DOOR] = ItemDoorDarkOak.class; //431
list[CHORUS_FRUIT] = ItemChorusFruit.class; //432
list[POPPED_CHORUS_FRUIT] = ItemChorusFruitPopped.class; //433
list[BANNER_PATTERN] = ItemBannerPattern.class; //434
list[DRAGON_BREATH] = ItemDragonBreath.class; //437
list[SPLASH_POTION] = ItemPotionSplash.class; //438
list[LINGERING_POTION] = ItemPotionLingering.class; //441
list[ELYTRA] = ItemElytra.class; //444
list[SHULKER_SHELL] = ItemShulkerShell.class; //445
list[BANNER] = ItemBanner.class; //446
list[TOTEM] = ItemTotem.class; //450
list[IRON_NUGGET] = ItemNuggetIron.class; //452
list[TRIDENT] = ItemTrident.class; //455
list[BEETROOT] = ItemBeetroot.class; //457
list[BEETROOT_SEEDS] = ItemSeedsBeetroot.class; //458
list[BEETROOT_SOUP] = ItemBeetrootSoup.class; //459
list[RAW_SALMON] = ItemSalmon.class; //460
list[CLOWNFISH] = ItemClownfish.class; //461
list[PUFFERFISH] = ItemPufferfish.class; //462
list[COOKED_SALMON] = ItemSalmonCooked.class; //463
list[DRIED_KELP] = ItemDriedKelp.class; //464
list[NAUTILUS_SHELL] = ItemNautilusShell.class; //465
list[GOLDEN_APPLE_ENCHANTED] = ItemAppleGoldEnchanted.class; //466
list[HEART_OF_THE_SEA] = ItemHeartOfTheSea.class; //467
list[SCUTE] = ItemScute.class; //468
list[TURTLE_SHELL] = ItemTurtleShell.class; //469
list[PHANTOM_MEMBRANE] = ItemPhantomMembrane.class; //470
list[CROSSBOW] = ItemCrossbow.class; //471
list[SPRUCE_SIGN] = ItemSpruceSign.class; //472
list[BIRCH_SIGN] = ItemBirchSign.class; //473
list[JUNGLE_SIGN] = ItemJungleSign.class; //474
list[ACACIA_SIGN] = ItemAcaciaSign.class; //475
list[DARKOAK_SIGN] = ItemDarkOakSign.class; //476
list[SWEET_BERRIES] = ItemSweetBerries.class; //477
list[RECORD_13] = ItemRecord13.class; //500
list[RECORD_CAT] = ItemRecordCat.class; //501
list[RECORD_BLOCKS] = ItemRecordBlocks.class; //502
list[RECORD_CHIRP] = ItemRecordChirp.class; //503
list[RECORD_FAR] = ItemRecordFar.class; //504
list[RECORD_MALL] = ItemRecordMall.class; //505
list[RECORD_MELLOHI] = ItemRecordMellohi.class; //506
list[RECORD_STAL] = ItemRecordStal.class; //507
list[RECORD_STRAD] = ItemRecordStrad.class; //508
list[RECORD_WARD] = ItemRecordWard.class; //509
list[RECORD_11] = ItemRecord11.class; //510
list[RECORD_WAIT] = ItemRecordWait.class; //511
list[SHIELD] = ItemShield.class; //513
list[GLOW_ITEM_FRAME] = ItemItemFrameGlow.class; //623
list[RECORD_OTHERSIDE] = ItemRecordOtherside.class; //626
list[ITEM_MANGROVE_DOOR] = ItemDoorMangrove.class;//633
list[MANGROVE_SIGN] = ItemMangroveSign.class;//634
list[RECORD_5] = ItemRecord5.class;//636
list[DISC_FRAGMENT_5] = ItemDiscFragment5.class;//637
list[OAK_CHEST_BOAT] = ItemChestBoatOak.class; //638
list[BIRCH_CHEST_BOAT] = ItemChestBoatBirch.class; //639
list[JUNGLE_CHEST_BOAT] = ItemChestBoatJungle.class; //640
list[SPRUCE_CHEST_BOAT] = ItemChestBoatSpruce.class; //641
list[ACACIA_CHEST_BOAT] = ItemChestBoatAcacia.class; //642
list[DARK_OAK_CHEST_BOAT] = ItemChestBoatDarkOak.class; //643
list[MANGROVE_CHEST_BOAT] = ItemChestBoatMangrove.class; //644
list[ECHO_SHARD] = ItemEchoShard.class; //647
list[GLOW_BERRIES] = ItemGlowBerries.class; //654
list[CAMPFIRE] = ItemCampfire.class; //720
list[SUSPICIOUS_STEW] = ItemSuspiciousStew.class; //734
list[HONEYCOMB] = ItemHoneycomb.class; //736
list[HONEY_BOTTLE] = ItemHoneyBottle.class; //737
list[LODESTONECOMPASS] = ItemCompassLodestone.class; //741;
list[NETHERITE_INGOT] = ItemIngotNetherite.class; //742
list[NETHERITE_SWORD] = ItemSwordNetherite.class; //743
list[NETHERITE_SHOVEL] = ItemShovelNetherite.class; //744
list[NETHERITE_PICKAXE] = ItemPickaxeNetherite.class; //745
list[NETHERITE_AXE] = ItemAxeNetherite.class; //746
list[NETHERITE_HOE] = ItemHoeNetherite.class; //747
list[NETHERITE_HELMET] = ItemHelmetNetherite.class; //748
list[NETHERITE_CHESTPLATE] = ItemChestplateNetherite.class; //749
list[NETHERITE_LEGGINGS] = ItemLeggingsNetherite.class; //750
list[NETHERITE_BOOTS] = ItemBootsNetherite.class; //751
list[NETHERITE_SCRAP] = ItemScrapNetherite.class; //752
list[CRIMSON_SIGN] = ItemCrimsonSign.class; //753
list[WARPED_SIGN] = ItemWarpedSign.class; //754
list[CRIMSON_DOOR] = ItemDoorCrimson.class; //755
list[WARPED_DOOR] = ItemDoorWarped.class; //756
list[WARPED_FUNGUS_ON_A_STICK] = ItemWarpedFungusOnAStick.class; //757
list[CHAIN] = ItemChain.class; //758
list[RECORD_PIGSTEP] = ItemRecordPigstep.class; //759
list[NETHER_SPROUTS] = ItemNetherSprouts.class; //760
list[AMETHYST_SHARD] = ItemAmethystShard.class; //771
list[SPYGLASS] = ItemSpyglass.class; //772
list[SOUL_CAMPFIRE] = ItemCampfireSoul.class; //801
for (int i = 0; i < 256; ++i) {
if (Block.list[i] != null) {
list[i] = Block.list[i];
}
}
RuntimeItemMapping runtimeMapping = RuntimeItems.getRuntimeMapping();
for (@SuppressWarnings("unchecked") Class- aClass : list) {
if (!Item.class.equals(aClass)) {
continue;
}
try {
Constructor
- constructor = aClass.getConstructor();
Item item = constructor.newInstance();
runtimeMapping.registerNamespacedIdItem(item.getNamespaceId(), constructor);
} catch (Exception e) {
log.warn("Failed to cache the namespaced id resolution of the item {}", aClass, e);
}
}
runtimeMapping.registerNamespacedIdItem(ItemRawIron.class);
runtimeMapping.registerNamespacedIdItem(ItemRawGold.class);
runtimeMapping.registerNamespacedIdItem(ItemRawCopper.class);
runtimeMapping.registerNamespacedIdItem(ItemGlowInkSac.class);
runtimeMapping.registerNamespacedIdItem(ItemIngotCopper.class);
}
initCreativeItems();
}
private static List
itemList;
/**
* 重构项目物品列表
*
* rebuild ItemList
*/
@PowerNukkitOnly
@Since("1.4.0.0-PN")
public static List rebuildItemList() {
return itemList = Collections.unmodifiableList(Stream.of(
BlockStateRegistry.getPersistenceNames().stream()
.map(name -> name.substring(name.indexOf(':') + 1)),
itemIds.keySet().stream()
).flatMap(Function.identity()).distinct().collect(Collectors.toList()));
}
/**
* 获取项目物品列表也可以获取重构物品列表
*
* Get the list of item items and also get the list of reconstructed items
*/
@PowerNukkitOnly
@Since("1.4.0.0-PN")
public static List getItemList() {
List itemList = Item.itemList;
if (itemList == null) {
return rebuildItemList();
}
return itemList;
}
private static final ArrayList- creative = new ArrayList<>();
@SneakyThrows(IOException.class)
@SuppressWarnings("unchecked")
private static void initCreativeItems() {
clearCreativeItems();
Gson gson = new GsonBuilder().create();
List
> list;
try (InputStream resourceAsStream = Server.class.getModule().getResourceAsStream("creativeitems.json")) {
list = gson.fromJson(new InputStreamReader(resourceAsStream), List.class);
}
for (Map map : list) {
try {
Item item = loadCreativeItemEntry(map);
if (!item.isNull()) {
addCreativeItem(item);
}
} catch (Exception e) {
log.error("Error while registering a creative item {}", map, e);
}
}
}
private static Item loadCreativeItemEntry(Map data) {
String name = data.get("name").toString();
String nbt = (String) data.get("nbt");
byte[] nbtBytes = nbt != null ? Base64.getDecoder().decode(nbt) : EmptyArrays.EMPTY_BYTES;
if (data.containsKey("block_states")) {
StringBuilder strState = new StringBuilder(name);
String block_states = (String) data.get("block_states");
CompoundTag states;
try {
states = NBTIO.read(Base64.getDecoder().decode(block_states), ByteOrder.LITTLE_ENDIAN);
} catch (IOException e) {
throw new RuntimeException(e);
}
states.getTags().forEach((k, v) -> strState.append(';').append(k).append('=').append(v.parseValue()));
String blockStateId = strState.toString();
try {
Integer blockId = BlockStateRegistry.getBlockId(name);
if (blockId != null && blockId > Block.MAX_BLOCK_ID) {
return Item.getBlock(BlockID.AIR);
}
BlockState state = BlockState.of(blockStateId);
Item item = state.asItemBlock();
item.setCompoundTag(nbtBytes);
return item;
} catch (BlockPropertyNotFoundException | UnknownRuntimeIdException e) {
int runtimeId = BlockStateRegistry.getKnownRuntimeIdByBlockStateId(blockStateId);
if (runtimeId == -1) {
log.debug("Unsupported block found in creativeitems.json: {}", blockStateId);
return Item.AIR_ITEM;
}
int blockId = BlockStateRegistry.getBlockIdByRuntimeId(runtimeId);
BlockState defaultBlockState = BlockState.of(blockId);
if (defaultBlockState.getProperties().equals(BlockUnknown.PROPERTIES)) {
log.debug("Unsupported block found in creativeitems.json: {}", blockStateId);
return Item.AIR_ITEM;
}
log.error("Failed to load the creative item with {}", blockStateId, e);
return Item.AIR_ITEM;
} catch (NoSuchElementException e) {
log.debug("No Such Element in creativeitems.json: {}", blockStateId, e);
} catch (Exception e) {
log.error("Failed to load the creative item {}", blockStateId, e);
return Item.AIR_ITEM;
}
}
Item item = null;
if (data.containsKey("meta")) {
int meta = Utils.toInt(data.get("meta"));
item = fromString(name + ":" + meta);
}
if (item == null) {
item = fromString(name);
}
item.setCompoundTag(nbtBytes);
return item;
}
/**
* 注册自定义物品
*
* Register custom item
*
* @param c 传入自定义物品类的实例
*
* Import in an instance of a custom item class
*/
@PowerNukkitXOnly
@Since("1.6.0.0-PNX")
public static OK registerCustomItem(Class c) {
return registerCustomItem(List.of(c));
}
/**
* 注册自定义物品
*
* Register custom item
*
* @param itemClassList 传入自定义物品class List
Import custom items class List
*/
@PowerNukkitXOnly
@Since("1.6.0.0-PNX")
public static OK registerCustomItem(@NotNull List> itemClassList) {
if (!Server.getInstance().isEnableExperimentMode() || Server.getInstance().getConfig("settings.waterdogpe", false)) {
return new OK<>(false, "The server does not have the custom item feature enabled. Unable to register the customItemList!");
}
for (var clazz : itemClassList) {
CustomItem customItem;
Supplier- supplier;
try {
var method = clazz.getDeclaredConstructor();
method.setAccessible(true);
customItem = method.newInstance();
supplier = () -> {
try {
return (Item) method.newInstance();
} catch (ReflectiveOperationException e) {
throw new UnsupportedOperationException(e);
}
};
} catch (InstantiationException | IllegalAccessException | InvocationTargetException |
NoSuchMethodException e) {
return new OK<>(false, e);
}
try {
Identifier.assertValid(customItem.getNamespaceId());
} catch (InvalidIdentifierException e) {
return new OK<>(false, e);
}
if (CUSTOM_ITEMS.containsKey(customItem.getNamespaceId())) continue;
CUSTOM_ITEMS.put(customItem.getNamespaceId(), supplier);
var customDef = customItem.getDefinition();
CUSTOM_ITEM_DEFINITIONS.put(customItem.getNamespaceId(), customDef);
// 在服务端注册自定义物品的tag
if (customDef.nbt().get("components") instanceof CompoundTag componentTag) {
var tagList = componentTag.getList("item_tags", StringTag.class);
if (tagList.size() != 0) {
ItemTag.registerItemTag(customItem.getNamespaceId(), tagList.getAll().stream().map(tag -> tag.data).collect(Collectors.toSet()));
}
}
RuntimeItems.getRuntimeMapping().registerCustomItem(customItem, supplier);
addCreativeItem((Item) customItem);
}
return new OK
(true);
}
/**
* 卸载自定义物品
*
* Remove custom items
*
* @param namespaceId 传入自定义物品的namespaceId
*/
@PowerNukkitXOnly
@Since("1.6.0.0-PNX")
public static void deleteCustomItem(String namespaceId) {
if (CUSTOM_ITEMS.containsKey(namespaceId)) {
Item customItem = fromString(namespaceId);
removeCreativeItem(customItem);
CUSTOM_ITEMS.remove(namespaceId);
CUSTOM_ITEM_DEFINITIONS.remove(namespaceId);
RuntimeItems.getRuntimeMapping().deleteCustomItem((CustomItem) customItem);
}
}
/**
* 卸载全部的自定义物品
*
* Remove all custom items
*/
@PowerNukkitXOnly
@Since("1.6.0.0-PNX")
public static void deleteAllCustomItem() {
for (String name : CUSTOM_ITEMS.keySet()) {
Item customItem = fromString(name);
removeCreativeItem(customItem);
CUSTOM_ITEMS.remove(name);
CUSTOM_ITEM_DEFINITIONS.remove(name);
RuntimeItems.getRuntimeMapping().deleteCustomItem((CustomItem) customItem);
}
}
/**
* 用于获取发送给客户端的自定义物品数据
*
* Used to get the custom item data sent to the client
*
* @return
*/
@PowerNukkitXOnly
@Since("1.6.0.0-PNX")
public static HashMap> getCustomItems() {
return new HashMap<>(CUSTOM_ITEMS);
}
@PowerNukkitXOnly
@Since("1.19.31-r1")
public static HashMap getCustomItemDefinition() {
return new HashMap<>(CUSTOM_ITEM_DEFINITIONS);
}
/**
* 取消创造模式下创造背包中的物品
*
* Cancel the Creative of items in the backpack in Creative mode
*/
public static void clearCreativeItems() {
Item.creative.clear();
}
/**
* 获取{@link Item#creative}
*
* Get the {@link Item#creative}
*/
public static ArrayList- getCreativeItems() {
return new ArrayList<>(Item.creative);
}
/**
* 添加一个物品到{@link Item#creative}
*
* Add a item to {@link Item#creative}
*/
public static void addCreativeItem(Item item) {
Item.creative.add(item.clone());
}
/**
* 移除一个指定的创造物品
*
* Remove a specified created item
*/
public static void removeCreativeItem(Item item) {
int index = getCreativeItemIndex(item);
if (index != -1) {
Item.creative.remove(index);
}
}
/**
* 检测这个物品是否存在于创造背包
*
* Detect if the item exists in the Creative backpack
*
* @param item
* @return
*/
public static boolean isCreativeItem(Item item) {
for (Item aCreative : Item.creative) {
if (item.equals(aCreative, !item.isTool())) {
return true;
}
}
return false;
}
/**
* @param index
* @return
*/
public static Item getCreativeItem(int index) {
return (index >= 0 && index < Item.creative.size()) ? Item.creative.get(index) : null;
}
/**
* 获取指定物品在{@link Item#creative}中的索引
*
* Get the index of the specified item in {@link Item#creative}
*
* @param item 指定物品
specified item
*/
public static int getCreativeItemIndex(Item item) {
for (int i = 0; i < Item.creative.size(); i++) {
if (item.equals(Item.creative.get(i), !item.isTool())) {
return i;
}
}
return -1;
}
@PowerNukkitOnly
public static Item getBlock(int id) {
return getBlock(id, 0);
}
@PowerNukkitOnly
public static Item getBlock(int id, Integer meta) {
return getBlock(id, meta, 1);
}
@PowerNukkitOnly
public static Item getBlock(int id, Integer meta, int count) {
return getBlock(id, meta, count, EmptyArrays.EMPTY_BYTES);
}
@PowerNukkitOnly
public static Item getBlock(int id, Integer meta, int count, byte[] tags) {
var result = Block.get(id, meta).toItem();
result.setCount(count);
result.setCompoundTag(tags);
return result;
}
public static Item get(int id) {
return get(id, 0);
}
public static Item get(int id, Integer meta) {
return get(id, meta, 1);
}
public static Item get(int id, Integer meta, int count) {
return get(id, meta, count, EmptyArrays.EMPTY_BYTES);
}
@PowerNukkitDifference(
info = "Prevents players from getting invalid items by limiting the return to the maximum damage defined in Block.getMaxItemDamage()",
since = "1.4.0.0-PN")
public static Item get(int id, Integer meta, int count, byte[] tags) {
try {
Class c = null;
if (id <= 255 - Block.MAX_BLOCK_ID) {
var customBlockItem = Block.get(255 - id).toItem();
customBlockItem.setCount(count);
customBlockItem.setDamage(meta);
customBlockItem.setCompoundTag(tags);
return customBlockItem;
} else if (id < 0) {
int blockId = 255 - id;
c = Block.list[blockId];
} else {
c = list[id];
}
Item item;
if (id < 256) {
String blockMapping = BlockStateRegistry.getBlockMapping(RuntimeItems.getFullId(id, meta));
if (blockMapping != null) {
id = RuntimeItems.getRuntimeMapping().getNetworkIdByNamespaceId(blockMapping).orElse(0);
meta = 0;
}
int blockId = id < 0 ? 255 - id : id;
if (meta == 0) {
item = new ItemBlock(Block.get(blockId), 0, count);
} else if (meta == -1) {
// Special case for item instances used in fuzzy recipes
item = new ItemBlock(Block.get(blockId), -1);
} else {
BlockState state = BlockState.of(blockId, meta);
try {
state.validate();
item = state.asItemBlock(count);
} catch (InvalidBlockPropertyMetaException | InvalidBlockStateException e) {
log.warn("Attempted to get an ItemBlock with invalid block state in memory: {}, trying to repair the block state...", state);
log.catching(org.apache.logging.log4j.Level.DEBUG, e);
Block repaired = state.getBlockRepairing(null, 0, 0, 0);
item = repaired.asItemBlock(count);
log.error("Attempted to get an illegal item block {}:{} ({}), the meta was changed to {}",
id, meta, blockId, item.getDamage(), e);
} catch (UnknownRuntimeIdException e) {
log.warn("Attempted to get an illegal item block {}:{} ({}), the runtime id was unknown and the meta was changed to 0",
id, meta, blockId, e);
item = BlockState.of(blockId).asItemBlock(count);
}
}
} else if (c == null) {
item = new Item(id, meta, count);
} else {
if (meta == -1) {
item = ((Item) c.getConstructor(Integer.class, int.class).newInstance(0, count)).createFuzzyCraftingRecipe();
} else {
item = ((Item) c.getConstructor(Integer.class, int.class).newInstance(meta, count));
}
}
if (tags.length != 0) {
item.setCompoundTag(tags);
}
return item;
} catch (Exception e) {
log.error("Error getting the item {}:{}{}! Returning an unsafe item stack!",
id, meta, id < 0 ? " (" + (255 - id) + ")" : "", e);
return new Item(id, meta, count).setCompoundTag(tags);
}
}
@PowerNukkitDifference(since = "1.4.0.0-PN", info = "Improve namespaced name handling and allows to get custom blocks by name")
@NotNull
public static Item fromString(String str) {
String normalized = str.trim().replace(' ', '_').toLowerCase();
Matcher matcher = ITEM_STRING_PATTERN.matcher(normalized);
if (!matcher.matches()) {
return Item.AIR_ITEM;
}
String name = matcher.group(2);
OptionalInt meta = OptionalInt.empty();
String metaGroup;
if (name != null) {
metaGroup = matcher.group(3);
} else {
metaGroup = matcher.group(5);
}
if (metaGroup != null) {
meta = OptionalInt.of(Short.parseShort(metaGroup));
}
String numericIdGroup = matcher.group(4);
if (name != null) {
String namespaceGroup = matcher.group(1);
String namespacedId;
if (namespaceGroup != null) {
namespacedId = namespaceGroup + ":" + name;
} else {
namespacedId = "minecraft:" + name;
}
if (namespacedId.equals("minecraft:air")) {
return Item.AIR_ITEM;
}
//custom item
if (CUSTOM_ITEMS.containsKey(namespacedId)) {
var item = RuntimeItems.getRuntimeMapping().getItemByNamespaceId(namespacedId, 1);
Item customItem;
/*
* 因为getDefinition中如果需要使用Item.fromString()获取自定义物品,此时RuntimeItems中还没注册自定义物品,留一个备用构造。
* 主要用于getDefinition中addRepairItems
*/
if (item.getName() != null && item.getName().equals(Item.UNKNOWN_STR)) {
customItem = CUSTOM_ITEMS.get(namespacedId).get();
} else customItem = item;
if (meta.isPresent()) {
int damage = meta.getAsInt();
if (damage < 0) {
customItem = customItem.createFuzzyCraftingRecipe();
} else {
customItem.setDamage(damage);
}
}
return customItem;
//custom block
} else if (Block.CUSTOM_BLOCK_ID_MAP.containsKey(namespacedId)) {
ItemBlock customItemBlock = (ItemBlock) RuntimeItems.getRuntimeMapping().getItemByNamespaceId(namespacedId, 1);
if (meta.isPresent()) {
int damage = meta.getAsInt();
if (damage < 0) {
customItemBlock = (ItemBlock) customItemBlock.createFuzzyCraftingRecipe();
} else {
customItemBlock.setDamage(damage);
}
}
return customItemBlock;
}
//common item
MinecraftItemID minecraftItemId = MinecraftItemID.getByNamespaceId(namespacedId);
if (minecraftItemId != null) {
//todo edu item
if (minecraftItemId.isEducationEdition()) {
return Item.AIR_ITEM;
}
Item item = minecraftItemId.get(1);
if (meta.isPresent()) {
int damage = meta.getAsInt();
if (damage < 0) {
item = item.createFuzzyCraftingRecipe();
} else {
item.setDamage(damage);
}
}
return item;
} else if (namespaceGroup != null && !namespaceGroup.equals("minecraft:")) {
return Item.AIR_ITEM;
}
} else if (numericIdGroup != null) {
int id = Integer.parseInt(numericIdGroup);
return get(id, meta.orElse(0));
}
if (name == null) {
return Item.AIR_ITEM;
}
int id = 0;
try {
id = ItemID.class.getField(name.toUpperCase()).getInt(null);
} catch (Exception ignore1) {
try {
id = BlockID.class.getField(name.toUpperCase()).getInt(null);
return getBlock(id, meta.orElse(0));
} catch (Exception ignore2) {
}
}
return get(id, meta.orElse(0));
}
public static Item fromJson(Map data) {
return fromJson(data, false);
}
private static Item fromJson(Map data, boolean ignoreNegativeItemId) {
String nbt = (String) data.get("nbt_b64");
byte[] nbtBytes;
if (nbt != null) {
nbtBytes = Base64.getDecoder().decode(nbt);
} else { // Support old format for backwards compat
nbt = (String) data.getOrDefault("nbt_hex", null);
if (nbt == null) {
nbtBytes = EmptyArrays.EMPTY_BYTES;
} else {
nbtBytes = Utils.parseHexBinary(nbt);
}
}
int id = Utils.toInt(data.get("id"));
if (ignoreNegativeItemId && id < 0) return null;
return get(id, Utils.toInt(data.getOrDefault("damage", 0)), Utils.toInt(data.getOrDefault("count", 1)), nbtBytes);
}
@PowerNukkitOnly
@Since("1.4.0.0-PN")
public static Item fromJsonNetworkId(Map data) {
String nbt = (String) data.get("nbt_b64");
byte[] nbtBytes;
if (nbt != null) {
nbtBytes = Base64.getDecoder().decode(nbt);
} else { // Support old format for backwards compat
nbt = (String) data.getOrDefault("nbt_hex", null);
if (nbt == null) {
nbtBytes = EmptyArrays.EMPTY_BYTES;
} else {
nbtBytes = Utils.parseHexBinary(nbt);
}
}
int networkId = Utils.toInt(data.get("id"));
RuntimeItemMapping mapping = RuntimeItems.getRuntimeMapping();
int legacyFullId = mapping.getLegacyFullId(networkId);
int id = RuntimeItems.getId(legacyFullId);
OptionalInt meta = RuntimeItems.hasData(legacyFullId) ? OptionalInt.of(RuntimeItems.getData(legacyFullId)) : OptionalInt.empty();
if (data.containsKey("damage")) {
int jsonMeta = Utils.toInt(data.get("damage"));
if (jsonMeta != Short.MAX_VALUE) {
if (meta.isPresent() && jsonMeta != meta.getAsInt()) {
throw new IllegalArgumentException(
"Conflicting damage value for " + mapping.getNamespacedIdByNetworkId(networkId) + ". " +
"From json: " + jsonMeta + ", from mapping: " + meta.getAsInt()
);
}
meta = OptionalInt.of(jsonMeta);
} else if (!meta.isPresent()) {
meta = OptionalInt.of(-1);
}
}
return get(id, meta.orElse(0), Utils.toInt(data.getOrDefault("count", 1)), nbtBytes);
}
public static Item[] fromStringMultiple(String str) {
String[] b = str.split(",");
Item[] items = new Item[b.length - 1];
for (int i = 0; i < b.length; i++) {
items[i] = fromString(b[i]);
}
return items;
}
public Item setCompoundTag(CompoundTag tag) {
this.setNamedTag(tag);
return this;
}
public Item setCompoundTag(byte[] tags) {
this.tags = tags;
this.cachedNBT = null;
return this;
}
public byte[] getCompoundTag() {
return tags;
}
public boolean hasCompoundTag() {
return this.tags != null && this.tags.length > 0;
}
public boolean hasCustomBlockData() {
if (!this.hasCompoundTag()) {
return false;
}
CompoundTag tag = this.getNamedTag();
return tag.contains("BlockEntityTag") && tag.get("BlockEntityTag") instanceof CompoundTag;
}
public Item clearCustomBlockData() {
if (!this.hasCompoundTag()) {
return this;
}
CompoundTag tag = this.getNamedTag();
if (tag.contains("BlockEntityTag") && tag.get("BlockEntityTag") instanceof CompoundTag) {
tag.remove("BlockEntityTag");
this.setNamedTag(tag);
}
return this;
}
public Item setCustomBlockData(CompoundTag compoundTag) {
CompoundTag tags = compoundTag.copy();
tags.setName("BlockEntityTag");
CompoundTag tag;
if (!this.hasCompoundTag()) {
tag = new CompoundTag();
} else {
tag = this.getNamedTag();
}
tag.putCompound("BlockEntityTag", tags);
this.setNamedTag(tag);
return this;
}
public CompoundTag getCustomBlockData() {
if (!this.hasCompoundTag()) {
return null;
}
CompoundTag tag = this.getNamedTag();
if (tag.contains("BlockEntityTag")) {
Tag bet = tag.get("BlockEntityTag");
if (bet instanceof CompoundTag) {
return (CompoundTag) bet;
}
}
return null;
}
/**
* 该物品是否可以应用附魔效果
*/
@PowerNukkitXOnly
@Since("1.6.0.0-PNX")
public boolean applyEnchantments() {
return true;
}
public boolean hasEnchantments() {
if (!this.hasCompoundTag()) {
return false;
}
CompoundTag tag = this.getNamedTag();
if (tag.contains("ench")) {
Tag enchTag = tag.get("ench");
return enchTag instanceof ListTag;
} else if (tag.contains("custom_ench")) {
Tag enchTag = tag.get("custom_ench");
return enchTag instanceof ListTag;
}
return false;
}
/**
* 通过附魔id来查找对应附魔的等级
*
* Find the enchantment level by the enchantment id.
*
* @param id The enchantment ID from {@link Enchantment} constants.
* @return {@code 0} if the item don't have that enchantment or the current level of the given enchantment.
*/
@PowerNukkitOnly
@Since("1.4.0.0-PN")
public int getEnchantmentLevel(int id) {
if (!this.hasEnchantments()) {
return 0;
}
for (CompoundTag entry : this.getNamedTag().getList("ench", CompoundTag.class).getAll()) {
if (entry.getShort("id") == id) {
return entry.getShort("lvl");
}
}
return 0;
}
/**
* 通过附魔id来查找对应附魔的等级
*
* Find the enchantment level by the enchantment id.
*
* @param id 要查询的附魔标识符
* @return {@code 0} if the item don't have that enchantment or the current level of the given enchantment.
*/
@PowerNukkitXOnly
@Since("1.19.60-r1")
public int getCustomEnchantmentLevel(String id) {
if (!this.hasEnchantments()) {
return 0;
}
for (CompoundTag entry : this.getNamedTag().getList("custom_ench", CompoundTag.class).getAll()) {
if (entry.getString("id").equals(id)) {
return entry.getShort("lvl");
}
}
return 0;
}
/**
* @param id 要查询的附魔标识符
*/
@PowerNukkitXOnly
@Since("1.19.60-r1")
public Enchantment getCustomEnchantment(String id) {
if (!this.hasEnchantments()) {
return null;
}
for (CompoundTag entry : this.getNamedTag().getList("custom_ench", CompoundTag.class).getAll()) {
if (entry.getString("id").equals(id)) {
Enchantment e = Enchantment.getEnchantment(entry.getString("id"));
if (e != null) {
e.setLevel(entry.getShort("lvl"), false);
return e;
}
}
}
return null;
}
/**
* 检测该物品是否有该附魔
*
* Detect if the item has the enchantment
*
* @param id 要查询的附魔标识符
*/
@PowerNukkitXOnly
@Since("1.19.60-r1")
public boolean hasCustomEnchantment(String id) {
return this.getCustomEnchantmentLevel(id) > 0;
}
/**
* 从给定的附魔id查找该物品是否存在对应的附魔效果，如果查找不到返回null
*
* Get the id of the enchantment
*/
public Enchantment getEnchantment(int id) {
return getEnchantment((short) (id & 0xffff));
}
public Enchantment getEnchantment(short id) {
if (!this.hasEnchantments()) {
return null;
}
for (CompoundTag entry : this.getNamedTag().getList("ench", CompoundTag.class).getAll()) {
if (entry.getShort("id") == id) {
Enchantment e = Enchantment.getEnchantment(entry.getShort("id"));
if (e != null) {
e.setLevel(entry.getShort("lvl"), false);
return e;
}
}
}
return null;
}
public void addEnchantment(Enchantment... enchantments) {
CompoundTag tag;
if (!this.hasCompoundTag()) {
tag = new CompoundTag();
} else {
tag = this.getNamedTag();
}
ListTag ench;
if (!tag.contains("ench")) {
ench = new ListTag<>("ench");
tag.putList(ench);
} else {
ench = tag.getList("ench", CompoundTag.class);
}
ListTag custom_ench;
if (!tag.contains("custom_ench")) {
custom_ench = new ListTag<>("custom_ench");
tag.putList(custom_ench);
} else {
custom_ench = tag.getList("custom_ench", CompoundTag.class);
}
for (Enchantment enchantment : enchantments) {
boolean found = false;
if (enchantment.getIdentifier() == null) {
for (int k = 0; k < ench.size(); k++) {
CompoundTag entry = ench.get(k);
if (entry.getShort("id") == enchantment.getId()) {
ench.add(k, new CompoundTag()
.putShort("id", enchantment.getId())
.putShort("lvl", enchantment.getLevel())
);
found = true;
break;
}
}
if (!found) {
ench.add(new CompoundTag()
.putShort("id", enchantment.getId())
.putShort("lvl", enchantment.getLevel())
);
}
} else {
for (int k = 0; k < custom_ench.size(); k++) {
CompoundTag entry = custom_ench.get(k);
if (entry.getString("id").equals(enchantment.getIdentifier().toString())) {
custom_ench.add(k, new CompoundTag()
.putString("id", enchantment.getIdentifier().toString())
.putShort("lvl", enchantment.getLevel())
);
found = true;
break;
}
}
if (!found) {
custom_ench.add(new CompoundTag()
.putString("id", enchantment.getIdentifier().toString())
.putShort("lvl", enchantment.getLevel())
);
}
}
}
if (custom_ench.size() != 0) {
var customName = setCustomEnchantDisplay(custom_ench);
if (tag.contains("display") && tag.get("display") instanceof CompoundTag) {
tag.getCompound("display").putString("Name", customName);
} else {
tag.putCompound("display", new CompoundTag("display")
.putString("Name", customName)
);
}
}
this.setNamedTag(tag);
}
private String setCustomEnchantDisplay(ListTag custom_ench) {
StringJoiner joiner = new StringJoiner("\n", "" + TextFormat.RESET + TextFormat.AQUA + this.name + "\n", "");
for (var ench : custom_ench.getAll()) {
var enchantment = Enchantment.getEnchantment(ench.getString("id"));
joiner.add(TextFormat.GRAY + enchantment.getName() + " " + Enchantment.getLevelString(enchantment.getLevel()));
}
return joiner.toString();
}
/**
* 获取该物品所带有的全部附魔
*
* Get all the enchantments that the item comes with
*
* @return 如果没有附魔效果返回Enchantment.EMPTY_ARRAY
If there is no enchanting effect return Enchantment.EMPTY_ARRAY
*/
public Enchantment[] getEnchantments() {
if (!this.hasEnchantments()) {
return Enchantment.EMPTY_ARRAY;
}
List enchantments = new ArrayList<>();
ListTag ench = this.getNamedTag().getList("ench", CompoundTag.class);
for (CompoundTag entry : ench.getAll()) {
Enchantment e = Enchantment.getEnchantment(entry.getShort("id"));
if (e != null) {
e.setLevel(entry.getShort("lvl"), false);
enchantments.add(e);
}
}
//custom ench
ListTag custom_ench = this.getNamedTag().getList("custom_ench", CompoundTag.class);
for (CompoundTag entry : custom_ench.getAll()) {
Enchantment e = Enchantment.getEnchantment(entry.getString("id"));
if (e != null) {
e.setLevel(entry.getShort("lvl"), false);
enchantments.add(e);
}
}
return enchantments.toArray(Enchantment.EMPTY_ARRAY);
}
/**
* 检测该物品是否有该附魔
*
* Detect if the item has the enchantment
*
* @param id The enchantment ID from {@link Enchantment} constants.
*/
@Since("1.4.0.0-PN")
public boolean hasEnchantment(int id) {
return this.getEnchantmentLevel(id) > 0;
}
@Since("1.4.0.0-PN")
public int getRepairCost() {
if (this.hasCompoundTag()) {
CompoundTag tag = this.getNamedTag();
if (tag.contains("RepairCost")) {
Tag repairCost = tag.get("RepairCost");
if (repairCost instanceof IntTag) {
return ((IntTag) repairCost).data;
}
}
}
return 0;
}
@Since("1.4.0.0-PN")
public Item setRepairCost(int cost) {
if (cost <= 0 && this.hasCompoundTag()) {
return this.setNamedTag(this.getNamedTag().remove("RepairCost"));
}
CompoundTag tag;
if (!this.hasCompoundTag()) {
tag = new CompoundTag();
} else {
tag = this.getNamedTag();
}
return this.setNamedTag(tag.putInt("RepairCost", cost));
}
public boolean hasCustomName() {
if (!this.hasCompoundTag()) {
return false;
}
CompoundTag tag = this.getNamedTag();
if (tag.contains("display")) {
Tag tag1 = tag.get("display");
return tag1 instanceof CompoundTag && ((CompoundTag) tag1).contains("Name") && ((CompoundTag) tag1).get("Name") instanceof StringTag;
}
return false;
}
public String getCustomName() {
if (!this.hasCompoundTag()) {
return "";
}
CompoundTag tag = this.getNamedTag();
if (tag.contains("display")) {
Tag tag1 = tag.get("display");
if (tag1 instanceof CompoundTag && ((CompoundTag) tag1).contains("Name") && ((CompoundTag) tag1).get("Name") instanceof StringTag) {
return ((CompoundTag) tag1).getString("Name");
}
}
return "";
}
/**
* 设置物品的自定义名字
*
* Set custom names for items
*
* @param name
* @return
*/
public Item setCustomName(String name) {
if (name == null || name.equals("")) {
this.clearCustomName();
}
CompoundTag tag;
if (!this.hasCompoundTag()) {
tag = new CompoundTag();
} else {
tag = this.getNamedTag();
}
if (tag.contains("display") && tag.get("display") instanceof CompoundTag) {
tag.getCompound("display").putString("Name", name);
} else {
tag.putCompound("display", new CompoundTag("display")
.putString("Name", name)
);
}
this.setNamedTag(tag);
return this;
}
/**
* 清除物品的自定义名称
*
* Clear custom name for item
*
* @return
*/
public Item clearCustomName() {
if (!this.hasCompoundTag()) {
return this;
}
CompoundTag tag = this.getNamedTag();
if (tag.contains("display") && tag.get("display") instanceof CompoundTag) {
tag.getCompound("display").remove("Name");
if (tag.getCompound("display").isEmpty()) {
tag.remove("display");
}
this.setNamedTag(tag);
}
return this;
}
/**
* 定义物品的Lore信息
*
* Get the Lore information of the item
*
* @return
*/
public String[] getLore() {
Tag tag = this.getNamedTagEntry("display");
ArrayList lines = new ArrayList<>();
if (tag instanceof CompoundTag) {
CompoundTag nbt = (CompoundTag) tag;
ListTag lore = nbt.getList("Lore", StringTag.class);
if (lore.size() > 0) {
for (StringTag stringTag : lore.getAll()) {
lines.add(stringTag.data);
}
}
}
return lines.toArray(EmptyArrays.EMPTY_STRINGS);
}
/**
* 设置物品的Lore信息
*
* Set the Lore information of the item
*
* @param lines
* @return
*/
public Item setLore(String... lines) {
CompoundTag tag;
if (!this.hasCompoundTag()) {
tag = new CompoundTag();
} else {
tag = this.getNamedTag();
}
ListTag lore = new ListTag<>("Lore");
for (String line : lines) {
lore.add(new StringTag("", line));
}
if (!tag.contains("display")) {
tag.putCompound("display", new CompoundTag("display").putList(lore));
} else {
tag.getCompound("display").putList(lore);
}
this.setNamedTag(tag);
return this;
}
public Tag getNamedTagEntry(String name) {
CompoundTag tag = this.getNamedTag();
if (tag != null) {
return tag.contains(name) ? tag.get(name) : null;
}
return null;
}
public CompoundTag getNamedTag() {
if (!this.hasCompoundTag()) {
return null;
}
if (this.cachedNBT == null) {
this.cachedNBT = parseCompoundTag(this.tags);
}
if (this.cachedNBT != null) {
this.cachedNBT.setName("");
}
return this.cachedNBT;
}
public CompoundTag getOrCreateNamedTag() {
if (!hasCompoundTag()) {
return new CompoundTag();
}
return getNamedTag();
}
public Item setNamedTag(CompoundTag tag) {
if (tag.isEmpty()) {
return this.clearNamedTag();
}
tag.setName(null);
this.cachedNBT = tag;
this.tags = writeCompoundTag(tag);
return this;
}
public Item clearNamedTag() {
return this.setCompoundTag(EmptyArrays.EMPTY_BYTES);
}
public static CompoundTag parseCompoundTag(byte[] tag) {
try {
return NBTIO.read(tag, ByteOrder.LITTLE_ENDIAN);
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}
public byte[] writeCompoundTag(CompoundTag tag) {
try {
tag.setName("");
return NBTIO.write(tag, ByteOrder.LITTLE_ENDIAN);
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}
public int getCount() {
return count;
}
public void setCount(int count) {
this.count = count;
}
public boolean isNull() {
return this.count <= 0 || this.id == AIR || this.id == STRING_IDENTIFIED_ITEM && !(this instanceof StringItem);
}
final public String getName() {
return this.hasCustomName() ? this.getCustomName() : this.name;
}
final public boolean canBePlaced() {
return ((this.block != null) && this.block.canBePlaced());
}
public Block getBlock() {
if (this.block != null) {
return this.block.clone();
} else {
return Block.get(BlockID.AIR);
}
}
@Since("1.4.0.0-PN")
@API(definition = API.Definition.INTERNAL, usage = API.Usage.INCUBATING)
public Block getBlockUnsafe() {
return this.block;
}
public int getId() {
return id;
}
@PowerNukkitOnly
@Since("1.4.0.0-PN")
public final int getNetworkId() throws UnknownNetworkIdException {
try {
return RuntimeItems.getRuntimeMapping().getNetworkId(this);
} catch (IllegalArgumentException e) {
throw new UnknownNetworkIdException(this, e);
}
}
@PowerNukkitOnly
@Since("1.4.0.0-PN")
public String getNamespaceId() {
RuntimeItemMapping runtimeMapping = RuntimeItems.getRuntimeMapping();
return runtimeMapping.getNamespacedIdByNetworkId(this.getNetworkId());
}
@PowerNukkitOnly
@Since("1.4.0.0-PN")
public int getBlockId() {
if (block != null) {
return block.getId();
} else {
return -1;
}
}
public int getDamage() {
return meta;
}
public void setDamage(Integer meta) {
if (meta != null) {
this.meta = meta & 0xffff;
} else {
this.hasMeta = false;
}
}
/**
* 创建一个通配配方物品,即该物品可以不限制数据值应用到配方中
*
* Create a wildcard recipe item,the item can be applied to a recipe without restriction on data(damage/meta) values
*/
@PowerNukkitOnly
@Since("1.4.0.0-PN")
public Item createFuzzyCraftingRecipe() {
Item item = clone();
item.hasMeta = false;
return item;
}
/**
* 定义物品堆叠的最大数量
*
* Define the maximum number of items to be stacked
*
* @return
*/
public int getMaxStackSize() {
return block == null ? 64 : block.getItemMaxStackSize();
}
/**
* 获取一个可燃烧物品的燃烧时间
*
* Get the burn time of a burnable item
*/
final public Short getFuelTime() {
if (!Fuel.isFuel(this)) {
return null;
}
if (this.id != BUCKET || this.meta == 10) {
return Fuel.getFuelDuration(this);
}
return null;
}
public boolean useOn(Entity entity) {
return false;
}
public boolean useOn(Block block) {
return false;
}
/**
* 定义物品是否为工具
*
* Define if this item is a tool
*
* @return
*/
public boolean isTool() {
return false;
}
/**
* 定义物品最大耐久值
*
* Define the maximum durability value of the item
*
* @return
*/
public int getMaxDurability() {
return -1;
}
/**
* 定义物品的挖掘等级
*
* Define the item Tier level
*
* @return
*/
public int getTier() {
return 0;
}
/**
* 定义物品是否为镐子
*
* Define if the item is a Pickaxe
*
* @return
*/
public boolean isPickaxe() {
return false;
}
/**
* 定义物品是否为斧子
*
* Define if the item is a Axe
*
* @return
*/
public boolean isAxe() {
return false;
}
/**
* 定义物品是否为剑
*
* Define if the item is a Sword
*
* @return
*/
public boolean isSword() {
return false;
}
/**
* 定义物品是否为铲子
*
* Define if the item is a Shovel
*
* @return
*/
public boolean isShovel() {
return false;
}
/**
* 定义物品是否为锄头
*
* Define if the item is a Hoe
*
* @return
*/
public boolean isHoe() {
return false;
}
/**
* 定义物品是否为剪刀
*
* Define if the item is a Shears
*
* @return
*/
public boolean isShears() {
return false;
}
/**
* 定义物品是否为盔甲
*
* Define if the item is a Armor
*
* @return
*/
public boolean isArmor() {
return false;
}
/**
* 定义物品是否为头盔
*
* Define if the item is a Helmet
*
* @return
*/
public boolean isHelmet() {
return false;
}
/**
* 定义物品是否为胸甲
*
* Define if the item is a Chestplate
*
* @return
*/
public boolean isChestplate() {
return false;
}
/**
* 定义物品是否为护腿
*
* Define if the item is a Leggings
*
* @return
*/
public boolean isLeggings() {
return false;
}
/**
* 定义物品是否为靴子
*
* Define if the item is a Boots
*
* @return
*/
public boolean isBoots() {
return false;
}
/**
* 定义物品的附魔
*
* Define the enchantment of an item
*
* @return
*/
public int getEnchantAbility() {
return 0;
}
/**
* 定义物品的攻击伤害
*
* Define the attackdamage of an item
*
* @return
*/
public int getAttackDamage() {
return 1;
}
/**
* 定义物品的护甲值
*
* Define the Armour value of an item
*
* @return
*/
public int getArmorPoints() {
return 0;
}
/**
* 定义物品的盔甲韧性
*
* Define the Armour Toughness of an item
*
* @return
*/
public int getToughness() {
return 0;
}
/**
* 定义物品是否不可损坏
*
* Define if the item is Unbreakable
*
* @return
*/
public boolean isUnbreakable() {
return false;
}
/**
* 这个物品如下界合金套一样能在岩浆上飘浮
*
* If the item is resistant to lava and fire and can float on lava like if it was on water.
*
* @since 1.4.0.0-PN
*/
@PowerNukkitOnly
@Since("1.4.0.0-PN")
public boolean isLavaResistant() {
return false;
}
/**
* 定义物品是否可以打破盾牌
*
* Define if the item can break the shield
*
* @return
*/
@PowerNukkitXOnly
@Since("1.19.21-r4")
public boolean canBreakShield() {
return false;
}
public boolean onUse(Player player, int ticksUsed) {
return false;
}
/**
* 玩家长时间点击物品后执行代码
*
* Allows the item to execute code when the player releases the item after long clicking it.
*
*
* @param player The player who released the click button
*
* 松开按钮的玩家
* @param ticksUsed How many ticks the item was held.
*
* 这个物品被使用多少ticks时间
* @return If an inventory contents update should be sent to the player
*
* 如果要向玩家发送库存内容的更新信息
*/
public boolean onRelease(Player player, int ticksUsed) {
return false;
}
@Override
final public String toString() {
return "Item " + this.name +
" (" + (this instanceof StringItem ? this.getNamespaceId() : this.id)
+ ":" + (!this.hasMeta ? "?" : this.meta)
+ ")x" + this.count
+ (this.hasCompoundTag() ? " tags:0x" + Binary.bytesToHexString(this.getCompoundTag()) : "");
}
public int getDestroySpeed(Block block, Player player) {
return 1;
}
/**
* 玩家使用一个物品交互时会调用这个方法
*
* This method is called when the player interacts with an item
*
* @param level 玩家所在地图
Player location level
* @param player 玩家实例对象
Player instance object
* @param block
* @param target 交互的目标方块
Interacting target block
* @param face 交互的方向
Direction of Interaction
* @param fx
* @param fy
* @param fz
* @return
*/
public boolean onActivate(Level level, Player player, Block block, Block target, BlockFace face, double fx, double fy, double fz) {
return false;
}
@PowerNukkitOnly
@Since("1.4.0.0-PN")
public final Item decrement(int amount) {
return increment(-amount);
}
@PowerNukkitOnly
@Since("1.4.0.0-PN")
public final Item increment(int amount) {
if (count + amount <= 0) {
return getBlock(BlockID.AIR);
}
Item cloned = clone();
cloned.count += amount;
return cloned;
}
/**
* 如果为true,这个物品可以如骨粉一样减少作物成长时间
*
* When true, this item can be used to reduce growing times like a bone meal.
*
* @return {@code true} if it can act like a bone meal
*/
@Since("1.4.0.0-PN")
@PowerNukkitOnly
public boolean isFertilizer() {
return false;
}
/**
* 玩家在空气中投掷如三叉戟一样
* 返回物品是否改变,例如数量变化或耐久度
*
* Called when a player uses the item on air, for example throwing a projectile.
* Returns whether the item was changed, for example count decrease or durability change.
*
* @param player player
* @param directionVector direction
* @return item changed
*/
public boolean onClickAir(Player player, Vector3 directionVector) {
return false;
}
@Override
public final boolean equals(Object item) {
return item instanceof Item && this.equals((Item) item, true);
}
public final boolean equals(Item item, boolean checkDamage) {
return equals(item, checkDamage, true);
}
/**
* 判断两个物品是否相等
*
* @param item 要比较的物品
* @param checkDamage 是否检查数据值
* @param checkCompound 是否检查NBT
* @return the boolean
*/
public final boolean equals(Item item, boolean checkDamage, boolean checkCompound) {
if (this.getId() == 255 && item.getId() == 255) {
if (!this.getNamespaceId().equals(item.getNamespaceId())) return false;
} else if (this.getId() != item.getId()) return false;
if (!checkDamage || this.getDamage() == item.getDamage()) {
if (checkCompound) {
if (Arrays.equals(this.getCompoundTag(), item.getCompoundTag())) {
return true;
} else if (this.hasCompoundTag() && item.hasCompoundTag()) {
return this.getNamedTag().equals(item.getNamedTag());
}
} else {
return true;
}
}
return false;
}
/**
* 返回物品堆叠是否与指定的物品堆叠有相同的ID,伤害,NBT和数量
*
* Returns whether the specified item stack has the same ID, damage, NBT and count as this item stack.
*
* @param other item
* @return equal
*/
public final boolean equalsExact(Item other) {
return this.equals(other, true, true) && this.count == other.count;
}
/**
* Same as {@link #equals(Item, boolean)} but the enchantment order of the items does not affect the result.
*
* @since 1.2.1.0-PN
*/
@PowerNukkitOnly
@Since("1.2.1.0-PN")
public final boolean equalsIgnoringEnchantmentOrder(Item item, boolean checkDamage) {
if (!this.equals(item, checkDamage, false)) {
return false;
}
if (Arrays.equals(this.getCompoundTag(), item.getCompoundTag())) {
return true;
}
if (!this.hasCompoundTag() || !item.hasCompoundTag()) {
return false;
}
CompoundTag thisTags = this.getNamedTag();
CompoundTag otherTags = item.getNamedTag();
if (thisTags.equals(otherTags)) {
return true;
}
if (!thisTags.contains("ench") || !otherTags.contains("ench")
|| !(thisTags.get("ench") instanceof ListTag)
|| !(otherTags.get("ench") instanceof ListTag)
|| thisTags.getList("ench").size() != otherTags.getList("ench").size()) {
return false;
}
ListTag thisEnchantmentTags = thisTags.getList("ench", CompoundTag.class);
ListTag otherEnchantmentTags = otherTags.getList("ench", CompoundTag.class);
int size = thisEnchantmentTags.size();
Int2IntMap enchantments = new Int2IntArrayMap(size);
enchantments.defaultReturnValue(Integer.MIN_VALUE);
for (int i = 0; i < size; i++) {
CompoundTag tag = thisEnchantmentTags.get(i);
enchantments.put(tag.getShort("id"), tag.getShort("lvl"));
}
for (int i = 0; i < size; i++) {
CompoundTag tag = otherEnchantmentTags.get(i);
if (enchantments.get(tag.getShort("id")) != tag.getShort("lvl")) {
return false;
}
}
return true;
}
@Deprecated
public final boolean deepEquals(Item item) {
return equals(item, true);
}
@Deprecated
public final boolean deepEquals(Item item, boolean checkDamage) {
return equals(item, checkDamage, true);
}
@Deprecated
public final boolean deepEquals(Item item, boolean checkDamage, boolean checkCompound) {
return equals(item, checkDamage, checkCompound);
}
@Override
public Item clone() {
try {
Item item = (Item) super.clone();
item.tags = this.tags.clone();
item.cachedNBT = null;
return item;
} catch (CloneNotSupportedException e) {
return null;
}
}
/**
* 控制此方块（在冒险模式下）可以使用/放置在其上的方块类型。
*
* Controls what block types this block may be placed on.
*/
@PowerNukkitXOnly
@Since("1.6.0.0-PNX")
public void addCanPlaceOn(Block block) {
CompoundTag tag = getOrCreateNamedTag();
ListTag canPlaceOn = tag.getList("CanPlaceOn", StringTag.class);
tag.putList(canPlaceOn.add(new StringTag("", block.toItem().getNamespaceId())));
this.setCompoundTag(tag);
}
@PowerNukkitXOnly
@Since("1.6.0.0-PNX")
public void addCanPlaceOn(Block[] blocks) {
for (Block block : blocks) {
addCanPlaceOn(block);
}
}
@PowerNukkitXOnly
@Since("1.6.0.0-PNX")
public void setCanPlaceOn(Block[] blocks) {
CompoundTag tag = getOrCreateNamedTag();
ListTag canPlaceOn = new ListTag<>("CanPlaceOn");
for (Block block : blocks) {
canPlaceOn.add(new StringTag("", block.toItem().getNamespaceId()));
}
tag.putList(canPlaceOn);
this.setCompoundTag(tag);
}
@PowerNukkitXOnly
@Since("1.6.0.0-PNX")
public ListTag getCanPlaceOn() {
CompoundTag tag = getOrCreateNamedTag();
return tag.getList("CanPlaceOn", StringTag.class);
}
/**
* 控制此方块（在冒险模式下）可以破坏的方块类型。此效果不会改变原本的破坏速度和破坏后掉落物。
*
* Controls what block types can destroy
*
* @param block
*/
@PowerNukkitXOnly
@Since("1.6.0.0-PNX")
public void addCanDestroy(Block block) {
CompoundTag tag = getOrCreateNamedTag();
ListTag canDestroy = tag.getList("CanDestroy", StringTag.class);
tag.putList(canDestroy.add(new StringTag("", block.toItem().getNamespaceId())));
this.setCompoundTag(tag);
}
@PowerNukkitXOnly
@Since("1.6.0.0-PNX")
public void addCanDestroy(Block[] blocks) {
for (Block block : blocks) {
addCanDestroy(block);
}
}
@PowerNukkitXOnly
@Since("1.6.0.0-PNX")
public void setCanDestroy(Block[] blocks) {
CompoundTag tag = getOrCreateNamedTag();
ListTag canDestroy = new ListTag<>("CanDestroy");
for (Block block : blocks) {
canDestroy.add(new StringTag("", block.toItem().getNamespaceId()));
}
tag.putList(canDestroy);
this.setCompoundTag(tag);
}
@PowerNukkitXOnly
@Since("1.6.0.0-PNX")
public ListTag getCanDestroy() {
CompoundTag tag = getOrCreateNamedTag();
return tag.getList("CanDestroy", StringTag.class);
}
/**
* 物品锁定在玩家的物品栏
* LOCK_IN_SLOT 阻止该物品被从玩家物品栏的该槽位移动、移除、丢弃或用于合成
* LOCK_IN_INVENTORY 阻止该物品被从玩家的物品栏移除、丢弃或用于合成
*
* Locks the item in the player's inventory
* LOCK_IN_SLOT Prevents the item from being removed from the player's inventory, dropped, or crafted with.
* LOCK_IN_INVENTORY Prevents the item from being moved or removed from its slot in the player's inventory, dropped, or crafted with
*/
@PowerNukkitXOnly
@Since("1.6.0.0-PNX")
public enum ItemLockMode {
NONE,//only used in server
LOCK_IN_SLOT,
LOCK_IN_INVENTORY
}
@PowerNukkitXOnly
@Since("1.6.0.0-PNX")
public void setItemLockMode(ItemLockMode mode) {
CompoundTag tag = getOrCreateNamedTag();
if (mode == ItemLockMode.NONE) {
tag.remove("minecraft:item_lock");
} else {
tag.putByte("minecraft:item_lock", mode.ordinal());
}
this.setCompoundTag(tag);
}
/**
* 获取物品锁定在玩家的物品栏的模式
*
* Get items locked mode in the player's item inventory
*
* @return
*/
@PowerNukkitXOnly
@Since("1.6.0.0-PNX")
public ItemLockMode getItemLockMode() {
CompoundTag tag = getOrCreateNamedTag();
if (tag.contains("minecraft:item_lock")) {
return ItemLockMode.values()[tag.getByte("minecraft:item_lock")];
}
return ItemLockMode.NONE;
}
@PowerNukkitXOnly
@Since("1.6.0.0-PNX")
public void setKeepOnDeath(boolean keepOnDeath) {
CompoundTag tag = getOrCreateNamedTag();
if (keepOnDeath) {
tag.putByte("minecraft:keep_on_death", 1);
} else {
tag.remove("minecraft:keep_on_death");
}
this.setCompoundTag(tag);
}
/**
* 该物品是否死亡不掉落
*
* Define if the item does not drop on death
*
* @return
*/
@PowerNukkitXOnly
@Since("1.6.0.0-PNX")
public boolean keepOnDeath() {
CompoundTag tag = getOrCreateNamedTag();
return tag.contains("minecraft:keep_on_death");
}
@PowerNukkitXOnly
@Since("1.6.0.0-PNX")
public static class ItemJsonComponents {
private static Gson gson = new Gson();
public static class CanPlaceOn {
public String[] blocks;
}
public static class CanDestory {
public String[] blocks;
}
public static class ItemLock {
public static final String LOCK_IN_INVENTORY = "lock_in_inventory";
public static final String LOCK_IN_SLOT = "lock_in_slot";
String mode;
}
public static ItemJsonComponents fromJson(String json) {
return gson.fromJson(json, ItemJsonComponents.class);
}
public static class KeepOnDeath {
}
private ItemJsonComponents() {
}
@SerializedName(value = "minecraft:can_place_on", alternate = {"can_place_on"})
public CanPlaceOn canPlaceOn;
@SerializedName(value = "minecraft:can_destroy", alternate = {"can_destroy"})
public CanDestory canDestroy;
@SerializedName(value = "minecraft:item_lock", alternate = {"item_lock"})
public ItemLock itemLock;
@SerializedName(value = "minecraft:keep_on_death", alternate = {"keep_on_death"})
public KeepOnDeath keepOnDeath;
}
@PowerNukkitXOnly
@Since("1.6.0.0-PNX")
public void readItemJsonComponents(ItemJsonComponents components) {
if (components.canPlaceOn != null)
this.setCanPlaceOn(Arrays.stream(components.canPlaceOn.blocks).map(str -> Block.get(BlockStateRegistry.getBlockId(str.startsWith("minecraft:") ? str : "minecraft:" + str))).collect(Collectors.toList()).toArray(new Block[0]));
if (components.canDestroy != null)
this.setCanDestroy(Arrays.stream(components.canDestroy.blocks).map(str -> Block.get(BlockStateRegistry.getBlockId(str.startsWith("minecraft:") ? str : "minecraft:" + str))).collect(Collectors.toList()).toArray(new Block[0]));
if (components.itemLock != null)
this.setItemLockMode(switch (components.itemLock.mode) {
case ItemJsonComponents.ItemLock.LOCK_IN_SLOT -> Item.ItemLockMode.LOCK_IN_SLOT;
case ItemJsonComponents.ItemLock.LOCK_IN_INVENTORY -> Item.ItemLockMode.LOCK_IN_INVENTORY;
default -> Item.ItemLockMode.NONE;
});
if (components.keepOnDeath != null)
this.setKeepOnDeath(components.keepOnDeath != null);
}
}