2021-03-22 23:06:40 +01:00
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/*
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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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2019-05-09 14:43:48 +02:00
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package us.myles.ViaVersion.protocols.protocol1_9to1_8.metadata;
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import us.myles.ViaVersion.api.data.UserConnection;
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import us.myles.ViaVersion.api.entities.Entity1_10Types;
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2019-09-27 20:25:18 +02:00
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import us.myles.ViaVersion.api.entities.EntityType;
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2019-05-09 14:43:48 +02:00
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import us.myles.ViaVersion.api.minecraft.EulerAngle;
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import us.myles.ViaVersion.api.minecraft.Vector;
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import us.myles.ViaVersion.api.minecraft.item.Item;
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import us.myles.ViaVersion.api.minecraft.metadata.MetaType;
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import us.myles.ViaVersion.api.minecraft.metadata.Metadata;
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import us.myles.ViaVersion.api.minecraft.metadata.types.MetaType1_8;
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import us.myles.ViaVersion.api.minecraft.metadata.types.MetaType1_9;
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import us.myles.ViaVersion.api.rewriters.MetadataRewriter;
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import us.myles.ViaVersion.protocols.protocol1_9to1_8.ItemRewriter;
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import us.myles.ViaVersion.protocols.protocol1_9to1_8.Protocol1_9To1_8;
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2019-09-27 20:25:18 +02:00
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import us.myles.ViaVersion.protocols.protocol1_9to1_8.storage.EntityTracker1_9;
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2019-05-09 14:43:48 +02:00
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import java.util.List;
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import java.util.UUID;
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2019-10-04 13:01:33 +02:00
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public class MetadataRewriter1_9To1_8 extends MetadataRewriter {
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2019-09-27 20:25:18 +02:00
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public MetadataRewriter1_9To1_8(Protocol1_9To1_8 protocol) {
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super(protocol, EntityTracker1_9.class);
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}
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2019-05-09 14:43:48 +02:00
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@Override
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2020-08-10 18:32:23 +02:00
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protected void handleMetadata(int entityId, EntityType type, Metadata metadata, List<Metadata> metadatas, UserConnection connection) throws Exception {
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2019-05-09 14:43:48 +02:00
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MetaIndex metaIndex = MetaIndex.searchIndex(type, metadata.getId());
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if (metaIndex == null) {
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throw new Exception("Could not find valid metadata");
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}
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if (metaIndex.getNewType() == MetaType1_9.Discontinued) {
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metadatas.remove(metadata);
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return;
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}
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metadata.setId(metaIndex.getNewIndex());
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metadata.setMetaType(metaIndex.getNewType());
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Object value = metadata.getValue();
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switch (metaIndex.getNewType()) {
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case Byte:
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// convert from int, byte
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if (metaIndex.getOldType() == MetaType1_8.Byte) {
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metadata.setValue(value);
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}
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if (metaIndex.getOldType() == MetaType1_8.Int) {
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metadata.setValue(((Integer) value).byteValue());
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}
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// After writing the last one
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2019-09-27 20:25:18 +02:00
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if (metaIndex == MetaIndex.ENTITY_STATUS && type == Entity1_10Types.EntityType.PLAYER) {
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2019-05-09 14:43:48 +02:00
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Byte val = 0;
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if ((((Byte) value) & 0x10) == 0x10) { // Player eating/aiming/drinking
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val = 1;
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}
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int newIndex = MetaIndex.PLAYER_HAND.getNewIndex();
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MetaType metaType = MetaIndex.PLAYER_HAND.getNewType();
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metadatas.add(new Metadata(newIndex, metaType, val));
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}
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break;
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case OptUUID:
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String owner = (String) value;
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UUID toWrite = null;
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if (!owner.isEmpty()) {
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try {
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toWrite = UUID.fromString(owner);
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2019-09-27 20:25:18 +02:00
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} catch (Exception ignored) {
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}
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2019-05-09 14:43:48 +02:00
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}
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metadata.setValue(toWrite);
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break;
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case VarInt:
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// convert from int, short, byte
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if (metaIndex.getOldType() == MetaType1_8.Byte) {
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metadata.setValue(((Byte) value).intValue());
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}
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if (metaIndex.getOldType() == MetaType1_8.Short) {
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metadata.setValue(((Short) value).intValue());
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}
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if (metaIndex.getOldType() == MetaType1_8.Int) {
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metadata.setValue(value);
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}
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break;
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case Float:
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metadata.setValue(value);
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break;
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case String:
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metadata.setValue(value);
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break;
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case Boolean:
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if (metaIndex == MetaIndex.AGEABLE_AGE)
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metadata.setValue((Byte) value < 0);
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else
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metadata.setValue((Byte) value != 0);
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break;
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case Slot:
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metadata.setValue(value);
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ItemRewriter.toClient((Item) metadata.getValue());
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break;
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case Position:
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Vector vector = (Vector) value;
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metadata.setValue(vector);
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break;
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case Vector3F:
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EulerAngle angle = (EulerAngle) value;
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metadata.setValue(angle);
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break;
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case Chat:
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2020-08-03 08:39:39 +02:00
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value = Protocol1_9To1_8.fixJson(value.toString());
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2019-05-09 14:43:48 +02:00
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metadata.setValue(value);
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break;
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2020-08-25 15:43:21 +02:00
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case BlockID:
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2020-08-25 15:53:58 +02:00
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// Convert from int, short, byte
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metadata.setValue(((Number) value).intValue());
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2020-08-25 15:43:21 +02:00
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break;
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2019-05-09 14:43:48 +02:00
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default:
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metadatas.remove(metadata);
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throw new Exception("Unhandled MetaDataType: " + metaIndex.getNewType());
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}
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}
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2019-10-02 15:09:50 +02:00
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@Override
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protected EntityType getTypeFromId(int type) {
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return Entity1_10Types.getTypeFromId(type, false);
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}
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@Override
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protected EntityType getObjectTypeFromId(int type) {
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return Entity1_10Types.getTypeFromId(type, true);
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}
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2019-05-09 14:43:48 +02:00
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}
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