234 lines
9.8 KiB
Java
234 lines
9.8 KiB
Java
/*
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* This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
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* Copyright (C) 2016-2024 ViaVersion and contributors
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.viaversion.viaversion.protocols.protocol1_11to1_10.metadata;
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import com.viaversion.viaversion.api.Via;
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import com.viaversion.viaversion.api.minecraft.entities.EntityTypes1_11;
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import com.viaversion.viaversion.api.minecraft.entities.EntityTypes1_11.EntityType;
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import com.viaversion.viaversion.api.minecraft.item.DataItem;
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import com.viaversion.viaversion.api.minecraft.metadata.Metadata;
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import com.viaversion.viaversion.api.minecraft.metadata.types.MetaType1_9;
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import com.viaversion.viaversion.api.protocol.packet.PacketWrapper;
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import com.viaversion.viaversion.api.type.Type;
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import com.viaversion.viaversion.protocols.protocol1_11to1_10.EntityIdRewriter;
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import com.viaversion.viaversion.protocols.protocol1_11to1_10.Protocol1_11To1_10;
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import com.viaversion.viaversion.protocols.protocol1_11to1_10.storage.EntityTracker1_11;
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import com.viaversion.viaversion.protocols.protocol1_9_3to1_9_1_2.ClientboundPackets1_9_3;
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import com.viaversion.viaversion.rewriter.EntityRewriter;
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import java.util.List;
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import java.util.Optional;
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import java.util.logging.Level;
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public class MetadataRewriter1_11To1_10 extends EntityRewriter<ClientboundPackets1_9_3, Protocol1_11To1_10> {
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public MetadataRewriter1_11To1_10(Protocol1_11To1_10 protocol) {
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super(protocol);
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}
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@Override
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protected void registerRewrites() {
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filter().handler((event, meta) -> {
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if (meta.getValue() instanceof DataItem) {
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// Apply rewrite
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EntityIdRewriter.toClientItem(meta.value());
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}
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});
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filter().type(EntityType.GUARDIAN).index(12).handler((event, meta) -> {
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boolean value = (((byte) meta.getValue()) & 0x02) == 0x02;
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meta.setTypeAndValue(MetaType1_9.Boolean, value);
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});
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filter().type(EntityType.ABSTRACT_SKELETON).removeIndex(12);
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filter().type(EntityType.ZOMBIE).handler((event, meta) -> {
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if ((event.entityType() == EntityType.ZOMBIE || event.entityType() == EntityType.HUSK) && meta.id() == 14) {
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event.cancel();
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} else if (meta.id() == 15) {
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meta.setId(14);
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} else if (meta.id() == 14) {
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meta.setId(15);
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}
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});
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filter().type(EntityType.ABSTRACT_HORSE).handler((event, metadata) -> {
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final com.viaversion.viaversion.api.minecraft.entities.EntityType type = event.entityType();
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int id = metadata.id();
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if (id == 14) { // Type
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event.cancel();
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return;
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}
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if (id == 16) { // Owner
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metadata.setId(14);
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} else if (id == 17) { // Armor
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metadata.setId(16);
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}
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// Process per type
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if (!type.is(EntityType.HORSE) && metadata.id() == 15 || metadata.id() == 16) {
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event.cancel();
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return;
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}
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if ((type == EntityType.DONKEY || type == EntityType.MULE) && metadata.id() == 13) {
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if ((((byte) metadata.getValue()) & 0x08) == 0x08) {
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event.createExtraMeta(new Metadata(15, MetaType1_9.Boolean, true));
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} else {
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event.createExtraMeta(new Metadata(15, MetaType1_9.Boolean, false));
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}
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}
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});
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filter().type(EntityType.ARMOR_STAND).index(0).handler((event, meta) -> {
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if (!Via.getConfig().isHologramPatch()) {
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return;
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}
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Metadata flags = event.metaAtIndex(11);
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Metadata customName = event.metaAtIndex(2);
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Metadata customNameVisible = event.metaAtIndex(3);
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if (flags == null || customName == null || customNameVisible == null) {
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return;
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}
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byte data = meta.value();
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// Check invisible | Check small | Check if custom name is empty | Check if custom name visible is true
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if ((data & 0x20) == 0x20 && ((byte) flags.getValue() & 0x01) == 0x01
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&& !((String) customName.getValue()).isEmpty() && (boolean) customNameVisible.getValue()) {
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EntityTracker1_11 tracker = tracker(event.user());
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int entityId = event.entityId();
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if (tracker.addHologram(entityId)) {
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try {
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// Send movement
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PacketWrapper wrapper = PacketWrapper.create(ClientboundPackets1_9_3.ENTITY_POSITION, null, event.user());
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wrapper.write(Type.VAR_INT, entityId);
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wrapper.write(Type.SHORT, (short) 0);
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wrapper.write(Type.SHORT, (short) (128D * (-Via.getConfig().getHologramYOffset() * 32D)));
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wrapper.write(Type.SHORT, (short) 0);
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wrapper.write(Type.BOOLEAN, true);
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wrapper.send(Protocol1_11To1_10.class);
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} catch (Exception e) {
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Via.getPlatform().getLogger().log(Level.WARNING, "Failed to update hologram position", e);
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}
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}
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}
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});
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}
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@Override
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public com.viaversion.viaversion.api.minecraft.entities.EntityType typeFromId(int type) {
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return EntityTypes1_11.getTypeFromId(type, false);
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}
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@Override
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public com.viaversion.viaversion.api.minecraft.entities.EntityType objectTypeFromId(int type) {
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return EntityTypes1_11.getTypeFromId(type, true);
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}
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public static EntityType rewriteEntityType(int numType, List<Metadata> metadata) {
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Optional<EntityType> optType = EntityType.findById(numType);
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if (!optType.isPresent()) {
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Via.getManager().getPlatform().getLogger().severe("Error: could not find Entity type " + numType + " with metadata: " + metadata);
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return null;
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}
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EntityType type = optType.get();
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try {
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if (type.is(EntityType.GUARDIAN)) {
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// ElderGuardian - 4
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Optional<Metadata> options = getById(metadata, 12);
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if (options.isPresent()) {
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if ((((byte) options.get().getValue()) & 0x04) == 0x04) {
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return EntityType.ELDER_GUARDIAN;
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}
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}
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}
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if (type.is(EntityType.SKELETON)) {
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// WitherSkeleton - 5
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// Stray - 6
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Optional<Metadata> options = getById(metadata, 12);
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if (options.isPresent()) {
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if (((int) options.get().getValue()) == 1) {
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return EntityType.WITHER_SKELETON;
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}
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if (((int) options.get().getValue()) == 2) {
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return EntityType.STRAY;
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}
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}
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}
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if (type.is(EntityType.ZOMBIE)) {
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// ZombieVillager - 27
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// Husk - 23
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Optional<Metadata> options = getById(metadata, 13);
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if (options.isPresent()) {
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int value = (int) options.get().getValue();
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if (value > 0 && value < 6) {
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metadata.add(new Metadata(16, MetaType1_9.VarInt, value - 1)); // Add profession type to new metadata
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return EntityType.ZOMBIE_VILLAGER;
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}
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if (value == 6) {
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return EntityType.HUSK;
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}
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}
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}
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if (type.is(EntityType.HORSE)) {
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// SkeletonHorse - 28
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// ZombieHorse - 29
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// Donkey - 31
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// Mule - 32
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Optional<Metadata> options = getById(metadata, 14);
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if (options.isPresent()) {
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if (((int) options.get().getValue()) == 0) {
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return EntityType.HORSE;
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}
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if (((int) options.get().getValue()) == 1) {
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return EntityType.DONKEY;
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}
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if (((int) options.get().getValue()) == 2) {
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return EntityType.MULE;
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}
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if (((int) options.get().getValue()) == 3) {
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return EntityType.ZOMBIE_HORSE;
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}
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if (((int) options.get().getValue()) == 4) {
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return EntityType.SKELETON_HORSE;
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}
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}
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}
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} catch (Exception e) {
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if (!Via.getConfig().isSuppressMetadataErrors() || Via.getManager().isDebug()) {
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Via.getPlatform().getLogger().warning("An error occurred with entity type rewriter");
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Via.getPlatform().getLogger().warning("Metadata: " + metadata);
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Via.getPlatform().getLogger().log(Level.WARNING, "Error: ", e);
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}
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}
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return type;
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}
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public static Optional<Metadata> getById(List<Metadata> metadatas, int id) {
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for (Metadata metadata : metadatas) {
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if (metadata.id() == id) return Optional.of(metadata);
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}
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return Optional.empty();
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}
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}
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