242 lines
11 KiB
Java
242 lines
11 KiB
Java
/*
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* This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
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* Copyright (C) 2016-2021 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_14to1_13_2.metadata;
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import com.viaversion.viaversion.api.Via;
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import com.viaversion.viaversion.api.connection.UserConnection;
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import com.viaversion.viaversion.api.minecraft.VillagerData;
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import com.viaversion.viaversion.api.minecraft.entities.Entity1_13Types;
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import com.viaversion.viaversion.api.minecraft.entities.Entity1_14Types;
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import com.viaversion.viaversion.api.minecraft.entities.EntityType;
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import com.viaversion.viaversion.api.minecraft.item.DataItem;
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import com.viaversion.viaversion.api.minecraft.item.Item;
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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_14;
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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.api.type.types.Particle;
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import com.viaversion.viaversion.protocols.protocol1_14to1_13_2.ClientboundPackets1_14;
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import com.viaversion.viaversion.protocols.protocol1_14to1_13_2.Protocol1_14To1_13_2;
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import com.viaversion.viaversion.protocols.protocol1_14to1_13_2.storage.EntityTracker1_14;
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import com.viaversion.viaversion.rewriter.EntityRewriter;
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import java.util.List;
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public class MetadataRewriter1_14To1_13_2 extends EntityRewriter<Protocol1_14To1_13_2> {
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public MetadataRewriter1_14To1_13_2(Protocol1_14To1_13_2 protocol) {
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super(protocol);
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mapTypes(Entity1_13Types.EntityType.values(), Entity1_14Types.class);
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mapEntityType(Entity1_13Types.EntityType.OCELOT, Entity1_14Types.CAT); //TODO remap untamed ocelots to ocelots?
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}
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@Override
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protected void handleMetadata(int entityId, EntityType type, Metadata metadata, List<Metadata> metadatas, UserConnection connection) throws Exception {
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metadata.setMetaType(MetaType1_14.byId(metadata.metaType().typeId()));
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EntityTracker1_14 tracker = tracker(connection);
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if (metadata.metaType() == MetaType1_14.Slot) {
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protocol.getItemRewriter().handleItemToClient((Item) metadata.getValue());
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} else if (metadata.metaType() == MetaType1_14.BlockID) {
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// Convert to new block id
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int data = (int) metadata.getValue();
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metadata.setValue(protocol.getMappingData().getNewBlockStateId(data));
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} else if (metadata.metaType() == MetaType1_14.PARTICLE) {
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rewriteParticle((Particle) metadata.getValue());
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}
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if (type == null) return;
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//Metadata 6 added to abstract_entity
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if (metadata.id() > 5) {
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metadata.setId(metadata.id() + 1);
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}
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if (metadata.id() == 8 && type.isOrHasParent(Entity1_14Types.LIVINGENTITY)) {
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final float v = ((Number) metadata.getValue()).floatValue();
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if (Float.isNaN(v) && Via.getConfig().is1_14HealthNaNFix()) {
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metadata.setValue(1F);
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}
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}
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//Metadata 12 added to living_entity
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if (metadata.id() > 11 && type.isOrHasParent(Entity1_14Types.LIVINGENTITY)) {
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metadata.setId(metadata.id() + 1);
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}
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if (type.isOrHasParent(Entity1_14Types.ABSTRACT_INSENTIENT)) {
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if (metadata.id() == 13) {
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tracker.setInsentientData(entityId, (byte) ((((Number) metadata.getValue()).byteValue() & ~0x4)
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| (tracker.getInsentientData(entityId) & 0x4))); // New attacking metadata
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metadata.setValue(tracker.getInsentientData(entityId));
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}
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}
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if (type.isOrHasParent(Entity1_14Types.PLAYER)) {
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if (entityId != tracker.clientEntityId()) {
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if (metadata.id() == 0) {
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byte flags = ((Number) metadata.getValue()).byteValue();
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// Mojang overrides the client-side pose updater, see OtherPlayerEntity#updateSize
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tracker.setEntityFlags(entityId, flags);
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} else if (metadata.id() == 7) {
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tracker.setRiptide(entityId, (((Number) metadata.getValue()).byteValue() & 0x4) != 0);
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}
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if (metadata.id() == 0 || metadata.id() == 7) {
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metadatas.add(new Metadata(6, MetaType1_14.Pose, recalculatePlayerPose(entityId, tracker)));
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}
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}
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} else if (type.isOrHasParent(Entity1_14Types.ZOMBIE)) {
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if (metadata.id() == 16) {
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tracker.setInsentientData(entityId, (byte) ((tracker.getInsentientData(entityId) & ~0x4)
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| ((boolean) metadata.getValue() ? 0x4 : 0))); // New attacking
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metadatas.remove(metadata); // "Are hands held up"
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metadatas.add(new Metadata(13, MetaType1_14.Byte, tracker.getInsentientData(entityId)));
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} else if (metadata.id() > 16) {
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metadata.setId(metadata.id() - 1);
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}
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}
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if (type.isOrHasParent(Entity1_14Types.MINECART_ABSTRACT)) {
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if (metadata.id() == 10) {
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// New block format
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int data = (int) metadata.getValue();
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metadata.setValue(protocol.getMappingData().getNewBlockStateId(data));
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}
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} else if (type.is(Entity1_14Types.HORSE)) {
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if (metadata.id() == 18) {
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metadatas.remove(metadata);
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int armorType = (int) metadata.getValue();
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Item armorItem = null;
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if (armorType == 1) { //iron armor
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armorItem = new DataItem(protocol.getMappingData().getNewItemId(727), (byte) 1, (short) 0, null);
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} else if (armorType == 2) { //gold armor
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armorItem = new DataItem(protocol.getMappingData().getNewItemId(728), (byte) 1, (short) 0, null);
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} else if (armorType == 3) { //diamond armor
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armorItem = new DataItem(protocol.getMappingData().getNewItemId(729), (byte) 1, (short) 0, null);
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}
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PacketWrapper equipmentPacket = PacketWrapper.create(ClientboundPackets1_14.ENTITY_EQUIPMENT, null, connection);
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equipmentPacket.write(Type.VAR_INT, entityId);
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equipmentPacket.write(Type.VAR_INT, 4);
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equipmentPacket.write(Type.FLAT_VAR_INT_ITEM, armorItem);
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equipmentPacket.scheduleSend(Protocol1_14To1_13_2.class);
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}
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} else if (type.is(Entity1_14Types.VILLAGER)) {
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if (metadata.id() == 15) {
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// plains
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metadata.setTypeAndValue(MetaType1_14.VillagerData, new VillagerData(2, getNewProfessionId((int) metadata.getValue()), 0));
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}
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} else if (type.is(Entity1_14Types.ZOMBIE_VILLAGER)) {
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if (metadata.id() == 18) {
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// plains
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metadata.setTypeAndValue(MetaType1_14.VillagerData, new VillagerData(2, getNewProfessionId((int) metadata.getValue()), 0));
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}
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} else if (type.isOrHasParent(Entity1_14Types.ABSTRACT_ARROW)) {
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if (metadata.id() >= 9) { // New piercing
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metadata.setId(metadata.id() + 1);
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}
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} else if (type.is(Entity1_14Types.FIREWORK_ROCKET)) {
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if (metadata.id() == 8) {
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metadata.setMetaType(MetaType1_14.OptVarInt);
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if (metadata.getValue().equals(0)) {
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metadata.setValue(null); // https://bugs.mojang.com/browse/MC-111480
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}
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}
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} else if (type.isOrHasParent(Entity1_14Types.ABSTRACT_SKELETON)) {
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if (metadata.id() == 14) {
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tracker.setInsentientData(entityId, (byte) ((tracker.getInsentientData(entityId) & ~0x4)
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| ((boolean) metadata.getValue() ? 0x4 : 0))); // New attacking
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metadatas.remove(metadata); // "Is swinging arms"
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metadatas.add(new Metadata(13, MetaType1_14.Byte, tracker.getInsentientData(entityId)));
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}
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}
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if (type.isOrHasParent(Entity1_14Types.ABSTRACT_ILLAGER_BASE)) {
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if (metadata.id() == 14) {
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tracker.setInsentientData(entityId, (byte) ((tracker.getInsentientData(entityId) & ~0x4)
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| (((Number) metadata.getValue()).byteValue() != 0 ? 0x4 : 0))); // New attacking
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metadatas.remove(metadata); // "Has target (aggressive state)"
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metadatas.add(new Metadata(13, MetaType1_14.Byte, tracker.getInsentientData(entityId)));
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}
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}
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// TODO Are witch and ravager also abstract illagers? They all inherit the new metadata 14 added in 19w13a
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if (type.is(Entity1_14Types.WITCH) || type.is(Entity1_14Types.RAVAGER) || type.isOrHasParent(Entity1_14Types.ABSTRACT_ILLAGER_BASE)) {
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if (metadata.id() >= 14) { // TODO 19w13 added a new boolean (raid participant - is celebrating) with id 14
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metadata.setId(metadata.id() + 1);
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}
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}
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}
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@Override
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public EntityType typeFromId(int type) {
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return Entity1_14Types.getTypeFromId(type);
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}
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private static boolean isSneaking(byte flags) {
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return (flags & 0x2) != 0;
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}
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private static boolean isSwimming(byte flags) {
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return (flags & 0x10) != 0;
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}
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private static int getNewProfessionId(int old) {
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// profession -> career
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switch (old) {
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case 0: // farmer
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return 5;
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case 1: // librarian
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return 9;
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case 2: // priest
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return 4; // cleric
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case 3: // blacksmith
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return 1; // armorer
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case 4: // butcher
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return 2;
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case 5: // nitwit
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return 11;
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default:
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return 0; // none
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}
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}
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private static boolean isFallFlying(int entityFlags) {
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return (entityFlags & 0x80) != 0;
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}
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public static int recalculatePlayerPose(int entityId, EntityTracker1_14 tracker) {
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byte flags = tracker.getEntityFlags(entityId);
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// Mojang overrides the client-side pose updater, see OtherPlayerEntity#updateSize
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int pose = 0; // standing
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if (isFallFlying(flags)) {
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pose = 1;
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} else if (tracker.isSleeping(entityId)) {
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pose = 2;
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} else if (isSwimming(flags)) {
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pose = 3;
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} else if (tracker.isRiptide(entityId)) {
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pose = 4;
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} else if (isSneaking(flags)) {
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pose = 5;
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}
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return pose;
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}
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}
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