112 lines
5.1 KiB
Java
112 lines
5.1 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_13to1_12_2.metadata;
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import com.viaversion.viaversion.api.minecraft.Particle;
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import com.viaversion.viaversion.api.minecraft.entities.EntityType;
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import com.viaversion.viaversion.api.minecraft.entities.EntityTypes1_13;
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import com.viaversion.viaversion.api.minecraft.metadata.Metadata;
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import com.viaversion.viaversion.api.type.types.version.Types1_13;
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import com.viaversion.viaversion.protocols.protocol1_12_1to1_12.ClientboundPackets1_12_1;
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import com.viaversion.viaversion.protocols.protocol1_13to1_12_2.Protocol1_13To1_12_2;
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import com.viaversion.viaversion.protocols.protocol1_13to1_12_2.data.EntityTypeRewriter;
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import com.viaversion.viaversion.protocols.protocol1_13to1_12_2.data.ParticleRewriter;
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import com.viaversion.viaversion.protocols.protocol1_13to1_12_2.packets.WorldPackets;
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import com.viaversion.viaversion.rewriter.EntityRewriter;
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import com.viaversion.viaversion.util.ComponentUtil;
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public class MetadataRewriter1_13To1_12_2 extends EntityRewriter<ClientboundPackets1_12_1, Protocol1_13To1_12_2> {
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public MetadataRewriter1_13To1_12_2(Protocol1_13To1_12_2 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().mapMetaType(typeId -> Types1_13.META_TYPES.byId(typeId > 4 ? typeId + 1 : typeId));
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filter().metaType(Types1_13.META_TYPES.itemType).handler(((event, meta) -> protocol.getItemRewriter().handleItemToClient(meta.value())));
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filter().metaType(Types1_13.META_TYPES.blockStateType).handler(((event, meta) -> meta.setValue(WorldPackets.toNewId(meta.value()))));
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// Previously unused, now swimming
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filter().index(0).handler((event, meta) -> meta.setValue((byte) ((byte) meta.getValue() & ~0x10)));
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filter().index(2).handler(((event, meta) -> {
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if (meta.getValue() != null && !((String) meta.getValue()).isEmpty()) {
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meta.setTypeAndValue(Types1_13.META_TYPES.optionalComponentType, ComponentUtil.legacyToJson((String) meta.getValue()));
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} else {
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meta.setTypeAndValue(Types1_13.META_TYPES.optionalComponentType, null);
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}
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}));
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filter().type(EntityTypes1_13.EntityType.ENDERMAN).index(12).handler((event, meta) -> {
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// Remap held block to match new format for remapping to flat block
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int stateId = meta.value();
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int id = stateId & 4095;
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int data = stateId >> 12 & 15;
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meta.setValue((id << 4) | (data & 0xF));
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});
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filter().type(EntityTypes1_13.EntityType.WOLF).index(17).handler((event, meta) -> {
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// Handle new colors
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meta.setValue(15 - (int) meta.getValue());
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});
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filter().type(EntityTypes1_13.EntityType.ZOMBIE).addIndex(15); // Shaking
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filter().type(EntityTypes1_13.EntityType.MINECART_ABSTRACT).index(9).handler((event, meta) -> {
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int oldId = meta.value();
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int combined = (((oldId & 4095) << 4) | (oldId >> 12 & 15));
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int newId = WorldPackets.toNewId(combined);
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meta.setValue(newId);
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});
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filter().type(EntityTypes1_13.EntityType.AREA_EFFECT_CLOUD).handler((event, meta) -> {
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if (meta.id() == 9) {
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int particleId = meta.value();
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Metadata parameter1Meta = event.metaAtIndex(10);
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Metadata parameter2Meta = event.metaAtIndex(11);
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int parameter1 = parameter1Meta != null ? parameter1Meta.value() : 0;
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int parameter2 = parameter2Meta != null ? parameter2Meta.value() : 0;
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Particle particle = ParticleRewriter.rewriteParticle(particleId, new Integer[]{parameter1, parameter2});
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if (particle != null && particle.getId() != -1) {
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event.createExtraMeta(new Metadata(9, Types1_13.META_TYPES.particleType, particle));
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}
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}
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if (meta.id() >= 9) {
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event.cancel();
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}
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});
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}
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@Override
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public int newEntityId(final int id) {
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return EntityTypeRewriter.getNewId(id);
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}
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@Override
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public EntityType typeFromId(int type) {
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return EntityTypes1_13.getTypeFromId(type, false);
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}
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@Override
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public EntityType objectTypeFromId(int type) {
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return EntityTypes1_13.getTypeFromId(type, true);
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}
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}
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