mirror of https://github.com/GeyserMC/Geyser.git
309 lines
12 KiB
Java
309 lines
12 KiB
Java
/*
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* Copyright (c) 2019-2022 GeyserMC. http://geysermc.org
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* @author GeyserMC
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* @link https://github.com/GeyserMC/Geyser
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*/
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package org.geysermc.geyser.item.type;
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import com.github.steveice10.mc.protocol.data.game.Identifier;
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import com.github.steveice10.mc.protocol.data.game.entity.metadata.ItemStack;
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import com.github.steveice10.opennbt.tag.builtin.*;
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import org.checkerframework.checker.nullness.qual.NonNull;
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import org.checkerframework.checker.nullness.qual.Nullable;
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import org.cloudburstmc.protocol.bedrock.data.inventory.ItemData;
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import org.geysermc.geyser.GeyserImpl;
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import org.geysermc.geyser.inventory.item.Enchantment;
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import org.geysermc.geyser.registry.type.ItemMapping;
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import org.geysermc.geyser.registry.type.ItemMappings;
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import org.geysermc.geyser.session.GeyserSession;
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import org.geysermc.geyser.text.ChatColor;
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import org.geysermc.geyser.text.MinecraftLocale;
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import org.geysermc.geyser.translator.inventory.item.ItemTranslator;
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import org.geysermc.geyser.translator.text.MessageTranslator;
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import org.geysermc.geyser.util.InventoryUtils;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Map;
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public class Item {
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private final String javaIdentifier;
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private int javaId = -1;
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private final int stackSize;
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private final int attackDamage;
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private final int maxDamage;
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public Item(String javaIdentifier, Builder builder) {
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this.javaIdentifier = Identifier.formalize(javaIdentifier).intern();
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this.stackSize = builder.stackSize;
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this.maxDamage = builder.maxDamage;
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this.attackDamage = builder.attackDamage;
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}
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public String javaIdentifier() {
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return javaIdentifier;
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}
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public int javaId() {
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return javaId;
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}
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public int maxDamage() {
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return maxDamage;
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}
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public int attackDamage() {
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return attackDamage;
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}
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public int maxStackSize() {
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return stackSize;
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}
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public boolean isValidRepairItem(Item other) {
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return false;
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}
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/* Translation methods to Bedrock and back */
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public ItemData.Builder translateToBedrock(ItemStack itemStack, ItemMapping mapping, ItemMappings mappings) {
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if (InventoryUtils.isEmpty(itemStack)) {
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// Return, essentially, air
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return ItemData.builder();
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}
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ItemData.Builder builder = ItemData.builder()
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.definition(mapping.getBedrockDefinition())
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.damage(mapping.getBedrockData())
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.count(itemStack.getAmount());
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if (itemStack.getNbt() != null) {
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builder.tag(ItemTranslator.translateNbtToBedrock(itemStack.getNbt()));
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}
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CompoundTag nbt = itemStack.getNbt();
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ItemTranslator.translateCustomItem(nbt, builder, mapping);
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return builder;
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}
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public @NonNull ItemStack translateToJava(@NonNull ItemData itemData, @NonNull ItemMapping mapping, @NonNull ItemMappings mappings) {
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if (itemData.getTag() == null) {
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return new ItemStack(javaId, itemData.getCount(), new CompoundTag(""));
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}
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return new ItemStack(javaId, itemData.getCount(), ItemTranslator.translateToJavaNBT("", itemData.getTag()));
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}
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public ItemMapping toBedrockDefinition(CompoundTag nbt, ItemMappings mappings) {
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return mappings.getMapping(javaId);
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}
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/**
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* Takes NBT from Java Edition and converts any value that Bedrock parses differently.
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*/
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public void translateNbtToBedrock(@NonNull GeyserSession session, @NonNull CompoundTag tag) {
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if (tag.get("display") instanceof CompoundTag displayTag) {
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if (displayTag.get("Lore") instanceof ListTag listTag) {
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List<Tag> lore = new ArrayList<>();
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for (Tag subTag : listTag.getValue()) {
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if (!(subTag instanceof StringTag)) continue;
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lore.add(new StringTag("", MessageTranslator.convertMessageLenient(((StringTag) subTag).getValue(), session.locale())));
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}
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displayTag.put(new ListTag("Lore", lore));
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}
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}
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List<Tag> newTags = new ArrayList<>();
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Tag enchantmentTag = tag.remove("Enchantments");
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if (enchantmentTag instanceof ListTag listTag) {
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for (Tag subTag : listTag.getValue()) {
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if (!(subTag instanceof CompoundTag)) continue;
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CompoundTag bedrockTag = remapEnchantment(session, (CompoundTag) subTag, tag);
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if (bedrockTag != null) {
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newTags.add(bedrockTag);
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}
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}
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}
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if (!newTags.isEmpty()) {
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tag.put(new ListTag("ench", newTags));
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}
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}
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/**
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* Takes NBT from Bedrock Edition and converts any value that Java parses differently. <br>
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* Do note that this method is, these days, only called in three places (as of 2023/~1.19):
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* <ul>
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* <li>Extra recipe loading</li>
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* <li>Creative menu</li>
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* <li>Stonecutters</li>
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* </ul>
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* Therefore, if translation cannot be achieved for a certain item, it is not necessarily bad.
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*/
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public void translateNbtToJava(@NonNull CompoundTag tag, @NonNull ItemMapping mapping) {
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CompoundTag displayTag = tag.get("display");
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if (displayTag != null) {
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if (displayTag.contains("Name")) {
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StringTag nameTag = displayTag.get("Name");
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displayTag.put(new StringTag("Name", MessageTranslator.convertToJavaMessage(nameTag.getValue())));
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}
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if (displayTag.contains("Lore")) {
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ListTag loreTag = displayTag.get("Lore");
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List<Tag> lore = new ArrayList<>();
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for (Tag subTag : loreTag.getValue()) {
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if (!(subTag instanceof StringTag)) continue;
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lore.add(new StringTag("", MessageTranslator.convertToJavaMessage(((StringTag) subTag).getValue())));
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}
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displayTag.put(new ListTag("Lore", lore));
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}
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}
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ListTag enchantmentTag = tag.remove("ench");
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if (enchantmentTag != null) {
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List<Tag> enchantments = new ArrayList<>();
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for (Tag value : enchantmentTag.getValue()) {
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if (!(value instanceof CompoundTag tagValue))
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continue;
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ShortTag bedrockId = tagValue.get("id");
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if (bedrockId == null) continue;
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Enchantment enchantment = Enchantment.getByBedrockId(bedrockId.getValue());
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if (enchantment != null) {
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CompoundTag javaTag = new CompoundTag("");
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Map<String, Tag> javaValue = javaTag.getValue();
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javaValue.put("id", new StringTag("id", enchantment.getJavaIdentifier()));
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ShortTag levelTag = tagValue.get("lvl");
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javaValue.put("lvl", new IntTag("lvl", levelTag != null ? levelTag.getValue() : 1));
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javaTag.setValue(javaValue);
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enchantments.add(javaTag);
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} else {
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GeyserImpl.getInstance().getLogger().debug("Unknown bedrock enchantment: " + bedrockId);
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}
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}
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if (!enchantments.isEmpty()) {
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if ((this instanceof EnchantedBookItem)) {
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tag.put(new ListTag("StoredEnchantments", enchantments));
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} else {
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tag.put(new ListTag("Enchantments", enchantments));
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}
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}
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}
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}
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protected final @Nullable CompoundTag remapEnchantment(GeyserSession session, CompoundTag tag, CompoundTag rootTag) {
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Tag javaEnchId = tag.get("id");
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if (!(javaEnchId instanceof StringTag))
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return null;
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Enchantment enchantment = Enchantment.getByJavaIdentifier(((StringTag) javaEnchId).getValue());
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if (enchantment == null) {
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if (Identifier.formalize((String) javaEnchId.getValue()).equals("minecraft:sweeping")) {
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Tag javaEnchLvl = tag.get("lvl");
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int sweepingLvl = javaEnchLvl != null && javaEnchLvl.getValue() instanceof Number lvl ? lvl.intValue() : 0;
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addSweeping(session, rootTag, sweepingLvl);
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return null;
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}
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GeyserImpl.getInstance().getLogger().debug("Unknown Java enchantment while NBT item translating: " + javaEnchId.getValue());
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return null;
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}
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Tag javaEnchLvl = tag.get("lvl");
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CompoundTag bedrockTag = new CompoundTag("");
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bedrockTag.put(new ShortTag("id", (short) enchantment.ordinal()));
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// If the tag cannot parse, Java Edition 1.18.2 sets to 0
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bedrockTag.put(new ShortTag("lvl", javaEnchLvl != null && javaEnchLvl.getValue() instanceof Number lvl ? lvl.shortValue() : (short) 0));
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return bedrockTag;
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}
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private void addSweeping(GeyserSession session, CompoundTag itemTag, int level) {
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CompoundTag displayTag = itemTag.get("display");
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if (displayTag == null) {
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displayTag = new CompoundTag("display");
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itemTag.put(displayTag);
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}
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ListTag loreTag = displayTag.get("Lore");
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if (loreTag == null) {
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loreTag = new ListTag("Lore");
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displayTag.put(loreTag);
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}
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String sweepingTranslation = MinecraftLocale.getLocaleString("enchantment.minecraft.sweeping", session.locale());
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String lvlTranslation = MinecraftLocale.getLocaleString("enchantment.level." + level, session.locale());
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loreTag.add(new StringTag("", ChatColor.RESET + ChatColor.GRAY + sweepingTranslation + " " + lvlTranslation));
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}
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/* Translation methods end */
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public ItemStack newItemStack(int count, CompoundTag tag) {
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return new ItemStack(this.javaId, count, tag);
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}
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public void setJavaId(int javaId) { // TODO like this?
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if (this.javaId != -1) {
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throw new RuntimeException("Item ID has already been set!");
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}
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this.javaId = javaId;
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}
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@Override
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public String toString() {
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return "Item{" +
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"javaIdentifier='" + javaIdentifier + '\'' +
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", javaId=" + javaId +
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'}';
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}
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public static Builder builder() {
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return new Builder();
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}
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public static final class Builder {
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private int stackSize = 64;
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private int maxDamage;
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private int attackDamage;
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public Builder stackSize(int stackSize) {
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this.stackSize = stackSize;
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return this;
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}
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public Builder attackDamage(double attackDamage) {
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// TODO properly store/send a double value once Bedrock supports it.. pls
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this.attackDamage = (int) attackDamage;
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return this;
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}
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public Builder maxDamage(int maxDamage) {
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this.maxDamage = maxDamage;
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return this;
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}
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private Builder() {
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}
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}
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}
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