136 lines
6.2 KiB
Java
136 lines
6.2 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_13to1_12_2.packets;
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import com.viaversion.viaversion.api.minecraft.entities.Entity1_13Types;
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import com.viaversion.viaversion.api.protocol.packet.PacketWrapper;
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import com.viaversion.viaversion.api.protocol.remapper.PacketHandler;
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import com.viaversion.viaversion.api.protocol.remapper.PacketRemapper;
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import com.viaversion.viaversion.api.type.Type;
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import com.viaversion.viaversion.api.type.types.version.Types1_12;
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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.metadata.MetadataRewriter1_13To1_12_2;
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public class EntityPackets {
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public static void register(Protocol1_13To1_12_2 protocol) {
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MetadataRewriter1_13To1_12_2 metadataRewriter = protocol.get(MetadataRewriter1_13To1_12_2.class);
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protocol.registerClientbound(ClientboundPackets1_12_1.SPAWN_ENTITY, new PacketRemapper() {
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@Override
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public void registerMap() {
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map(Type.VAR_INT); // 0 - Entity id
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map(Type.UUID); // 1 - UUID
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map(Type.BYTE); // 2 - Type
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map(Type.DOUBLE); // 3 - X
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map(Type.DOUBLE); // 4 - Y
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map(Type.DOUBLE); // 5 - Z
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map(Type.BYTE); // 6 - Pitch
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map(Type.BYTE); // 7 - Yaw
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map(Type.INT); // 8 - Data
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// Track Entity
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handler(new PacketHandler() {
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@Override
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public void handle(PacketWrapper wrapper) throws Exception {
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int entityId = wrapper.get(Type.VAR_INT, 0);
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byte type = wrapper.get(Type.BYTE, 0);
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Entity1_13Types.EntityType entType = Entity1_13Types.getTypeFromId(type, true);
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if (entType != null) {
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if (entType.is(Entity1_13Types.EntityType.FALLING_BLOCK)) {
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int oldId = wrapper.get(Type.INT, 0);
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int combined = (((oldId & 4095) << 4) | (oldId >> 12 & 15));
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wrapper.set(Type.INT, 0, WorldPackets.toNewId(combined));
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}
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// Fix ItemFrame hitbox
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if (entType.is(Entity1_13Types.EntityType.ITEM_FRAME)) {
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int data = wrapper.get(Type.INT, 0);
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switch (data) {
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// South
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case 0:
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data = 3;
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break;
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// West
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case 1:
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data = 4;
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break;
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// North is the same
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// East
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case 3:
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data = 5;
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break;
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}
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wrapper.set(Type.INT, 0, data);
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// Register Type ID
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wrapper.user().getEntityTracker(Protocol1_13To1_12_2.class).addEntity(entityId, entType);
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}
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}
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}
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});
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}
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});
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protocol.registerClientbound(ClientboundPackets1_12_1.SPAWN_MOB, new PacketRemapper() {
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@Override
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public void registerMap() {
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map(Type.VAR_INT); // 0 - Entity ID
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map(Type.UUID); // 1 - Entity UUID
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map(Type.VAR_INT); // 2 - Entity Type
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map(Type.DOUBLE); // 3 - X
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map(Type.DOUBLE); // 4 - Y
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map(Type.DOUBLE); // 5 - Z
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map(Type.BYTE); // 6 - Yaw
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map(Type.BYTE); // 7 - Pitch
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map(Type.BYTE); // 8 - Head Pitch
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map(Type.SHORT); // 9 - Velocity X
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map(Type.SHORT); // 10 - Velocity Y
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map(Type.SHORT); // 11 - Velocity Z
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map(Types1_12.METADATA_LIST, Types1_13.METADATA_LIST); // 12 - Metadata
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handler(metadataRewriter.trackerAndRewriterHandler(Types1_13.METADATA_LIST));
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}
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});
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protocol.registerClientbound(ClientboundPackets1_12_1.SPAWN_PLAYER, new PacketRemapper() {
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@Override
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public void registerMap() {
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map(Type.VAR_INT); // 0 - Entity ID
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map(Type.UUID); // 1 - Player UUID
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map(Type.DOUBLE); // 2 - X
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map(Type.DOUBLE); // 3 - Y
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map(Type.DOUBLE); // 4 - Z
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map(Type.BYTE); // 5 - Yaw
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map(Type.BYTE); // 6 - Pitch
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map(Types1_12.METADATA_LIST, Types1_13.METADATA_LIST); // 7 - Metadata
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handler(metadataRewriter.trackerAndRewriterHandler(Types1_13.METADATA_LIST, Entity1_13Types.EntityType.PLAYER));
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}
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});
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metadataRewriter.registerRemoveEntities(ClientboundPackets1_12_1.DESTROY_ENTITIES);
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metadataRewriter.registerMetadataRewriter(ClientboundPackets1_12_1.ENTITY_METADATA, Types1_12.METADATA_LIST, Types1_13.METADATA_LIST);
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}
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}
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