ViaVersion/common/src/main/java/com/viaversion/viaversion/protocols/protocol1_16to1_15_2/Protocol1_16To1_15_2.java

283 lines
14 KiB
Java

/*
* This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
* Copyright (C) 2016-2021 ViaVersion and contributors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.viaversion.viaversion.protocols.protocol1_16to1_15_2;
import com.google.common.base.Joiner;
import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.viaversion.viaversion.api.Via;
import com.viaversion.viaversion.api.connection.UserConnection;
import com.viaversion.viaversion.api.protocol.AbstractProtocol;
import com.viaversion.viaversion.api.protocol.packet.State;
import com.viaversion.viaversion.api.protocol.remapper.PacketRemapper;
import com.viaversion.viaversion.api.type.Type;
import com.viaversion.viaversion.protocols.protocol1_14to1_13_2.ServerboundPackets1_14;
import com.viaversion.viaversion.protocols.protocol1_15to1_14_4.ClientboundPackets1_15;
import com.viaversion.viaversion.protocols.protocol1_16to1_15_2.data.MappingData;
import com.viaversion.viaversion.protocols.protocol1_16to1_15_2.data.TranslationMappings;
import com.viaversion.viaversion.protocols.protocol1_16to1_15_2.metadata.MetadataRewriter1_16To1_15_2;
import com.viaversion.viaversion.protocols.protocol1_16to1_15_2.packets.EntityPackets;
import com.viaversion.viaversion.protocols.protocol1_16to1_15_2.packets.InventoryPackets;
import com.viaversion.viaversion.protocols.protocol1_16to1_15_2.packets.WorldPackets;
import com.viaversion.viaversion.protocols.protocol1_16to1_15_2.storage.EntityTracker1_16;
import com.viaversion.viaversion.protocols.protocol1_16to1_15_2.storage.InventoryTracker1_16;
import com.viaversion.viaversion.rewriter.ComponentRewriter;
import com.viaversion.viaversion.rewriter.MetadataRewriter;
import com.viaversion.viaversion.rewriter.RegistryType;
import com.viaversion.viaversion.rewriter.SoundRewriter;
import com.viaversion.viaversion.rewriter.StatisticsRewriter;
import com.viaversion.viaversion.rewriter.TagRewriter;
import com.viaversion.viaversion.util.GsonUtil;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.List;
import java.util.UUID;
public class Protocol1_16To1_15_2 extends AbstractProtocol<ClientboundPackets1_15, ClientboundPackets1_16, ServerboundPackets1_14, ServerboundPackets1_16> {
private static final UUID ZERO_UUID = new UUID(0, 0);
public static final MappingData MAPPINGS = new MappingData();
private TagRewriter tagRewriter;
public Protocol1_16To1_15_2() {
super(ClientboundPackets1_15.class, ClientboundPackets1_16.class, ServerboundPackets1_14.class, ServerboundPackets1_16.class);
}
@Override
protected void registerPackets() {
MetadataRewriter metadataRewriter = new MetadataRewriter1_16To1_15_2(this);
EntityPackets.register(this);
WorldPackets.register(this);
InventoryPackets.register(this);
tagRewriter = new TagRewriter(this, metadataRewriter::getNewEntityId);
tagRewriter.register(ClientboundPackets1_15.TAGS, RegistryType.ENTITY);
new StatisticsRewriter(this, metadataRewriter::getNewEntityId).register(ClientboundPackets1_15.STATISTICS);
// Login Success
registerOutgoing(State.LOGIN, 0x02, 0x02, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> {
// Transform string to int array
UUID uuid = UUID.fromString(wrapper.read(Type.STRING));
wrapper.write(Type.UUID_INT_ARRAY, uuid);
});
}
});
// Motd Status - line breaks are no longer allowed for player samples
registerOutgoing(State.STATUS, 0x00, 0x00, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> {
String original = wrapper.passthrough(Type.STRING);
JsonObject object = GsonUtil.getGson().fromJson(original, JsonObject.class);
JsonObject players = object.getAsJsonObject("players");
if (players == null) return;
JsonArray sample = players.getAsJsonArray("sample");
if (sample == null) return;
JsonArray splitSamples = new JsonArray();
for (JsonElement element : sample) {
JsonObject playerInfo = element.getAsJsonObject();
String name = playerInfo.getAsJsonPrimitive("name").getAsString();
if (name.indexOf('\n') == -1) {
splitSamples.add(playerInfo);
continue;
}
String id = playerInfo.getAsJsonPrimitive("id").getAsString();
for (String s : name.split("\n")) {
JsonObject newSample = new JsonObject();
newSample.addProperty("name", s);
newSample.addProperty("id", id);
splitSamples.add(newSample);
}
}
// Replace data if changed
if (splitSamples.size() != sample.size()) {
players.add("sample", splitSamples);
wrapper.set(Type.STRING, 0, object.toString());
}
});
}
});
ComponentRewriter componentRewriter = new TranslationMappings(this);
// Handle (relevant) component cases for translatable and score changes
registerOutgoing(ClientboundPackets1_15.CHAT_MESSAGE, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.COMPONENT);
map(Type.BYTE);
handler(wrapper -> {
componentRewriter.processText(wrapper.get(Type.COMPONENT, 0));
wrapper.write(Type.UUID, ZERO_UUID); // Sender uuid - always send as 'system'
});
}
});
componentRewriter.registerBossBar(ClientboundPackets1_15.BOSSBAR);
componentRewriter.registerTitle(ClientboundPackets1_15.TITLE);
componentRewriter.registerCombatEvent(ClientboundPackets1_15.COMBAT_EVENT);
SoundRewriter soundRewriter = new SoundRewriter(this);
soundRewriter.registerSound(ClientboundPackets1_15.SOUND);
soundRewriter.registerSound(ClientboundPackets1_15.ENTITY_SOUND);
registerIncoming(ServerboundPackets1_16.INTERACT_ENTITY, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> {
wrapper.passthrough(Type.VAR_INT); // Entity Id
int action = wrapper.passthrough(Type.VAR_INT);
if (action == 0 || action == 2) {
if (action == 2) {
// Location
wrapper.passthrough(Type.FLOAT);
wrapper.passthrough(Type.FLOAT);
wrapper.passthrough(Type.FLOAT);
}
wrapper.passthrough(Type.VAR_INT); // Hand
}
// New boolean: Whether the client is sneaking/pressing shift
wrapper.read(Type.BOOLEAN);
});
}
});
if (Via.getConfig().isIgnoreLong1_16ChannelNames()) {
registerIncoming(ServerboundPackets1_16.PLUGIN_MESSAGE, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> {
String channel = wrapper.passthrough(Type.STRING);
if (channel.length() > 32) {
if (!Via.getConfig().isSuppressConversionWarnings()) {
Via.getPlatform().getLogger().warning("Ignoring incoming plugin channel, as it is longer than 32 characters: " + channel);
}
wrapper.cancel();
} else if (channel.equals("minecraft:register") || channel.equals("minecraft:unregister")) {
String[] channels = new String(wrapper.read(Type.REMAINING_BYTES), StandardCharsets.UTF_8).split("\0");
List<String> checkedChannels = new ArrayList<>(channels.length);
for (String registeredChannel : channels) {
if (registeredChannel.length() > 32) {
if (!Via.getConfig().isSuppressConversionWarnings()) {
Via.getPlatform().getLogger().warning("Ignoring incoming plugin channel register of '"
+ registeredChannel + "', as it is longer than 32 characters");
}
continue;
}
checkedChannels.add(registeredChannel);
}
if (checkedChannels.isEmpty()) {
wrapper.cancel();
return;
}
wrapper.write(Type.REMAINING_BYTES, Joiner.on('\0').join(checkedChannels).getBytes(StandardCharsets.UTF_8));
}
});
}
});
}
registerIncoming(ServerboundPackets1_16.PLAYER_ABILITIES, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> {
wrapper.passthrough(Type.BYTE);
// Flying and walking speed - not important anyways
wrapper.write(Type.FLOAT, 0.05F);
wrapper.write(Type.FLOAT, 0.1F);
});
}
});
cancelIncoming(ServerboundPackets1_16.GENERATE_JIGSAW);
cancelIncoming(ServerboundPackets1_16.UPDATE_JIGSAW_BLOCK);
}
@Override
protected void onMappingDataLoaded() {
int[] wallPostOverrideTag = new int[47];
int arrayIndex = 0;
wallPostOverrideTag[arrayIndex++] = 140;
wallPostOverrideTag[arrayIndex++] = 179;
wallPostOverrideTag[arrayIndex++] = 264;
for (int i = 153; i <= 158; i++) {
wallPostOverrideTag[arrayIndex++] = i;
}
for (int i = 163; i <= 168; i++) {
wallPostOverrideTag[arrayIndex++] = i;
}
for (int i = 408; i <= 439; i++) {
wallPostOverrideTag[arrayIndex++] = i;
}
tagRewriter.addTag(RegistryType.BLOCK, "minecraft:wall_post_override", wallPostOverrideTag);
tagRewriter.addTag(RegistryType.BLOCK, "minecraft:beacon_base_blocks", 133, 134, 148, 265);
tagRewriter.addTag(RegistryType.BLOCK, "minecraft:climbable", 160, 241, 658);
tagRewriter.addTag(RegistryType.BLOCK, "minecraft:fire", 142);
tagRewriter.addTag(RegistryType.BLOCK, "minecraft:campfires", 679);
tagRewriter.addTag(RegistryType.BLOCK, "minecraft:fence_gates", 242, 467, 468, 469, 470, 471);
tagRewriter.addTag(RegistryType.BLOCK, "minecraft:unstable_bottom_center", 242, 467, 468, 469, 470, 471);
tagRewriter.addTag(RegistryType.BLOCK, "minecraft:wooden_trapdoors", 193, 194, 195, 196, 197, 198);
tagRewriter.addTag(RegistryType.ITEM, "minecraft:wooden_trapdoors", 215, 216, 217, 218, 219, 220);
tagRewriter.addTag(RegistryType.ITEM, "minecraft:beacon_payment_items", 529, 530, 531, 760);
tagRewriter.addTag(RegistryType.ENTITY, "minecraft:impact_projectiles", 2, 72, 71, 37, 69, 79, 83, 15, 93);
// The client crashes if we don't send all tags it may use
tagRewriter.addEmptyTag(RegistryType.BLOCK, "minecraft:guarded_by_piglins");
tagRewriter.addEmptyTag(RegistryType.BLOCK, "minecraft:soul_speed_blocks");
tagRewriter.addEmptyTag(RegistryType.BLOCK, "minecraft:soul_fire_base_blocks");
tagRewriter.addEmptyTag(RegistryType.BLOCK, "minecraft:non_flammable_wood");
tagRewriter.addEmptyTag(RegistryType.ITEM, "minecraft:non_flammable_wood");
// The rest of not accessed tags added in older versions; #1830
tagRewriter.addEmptyTags(RegistryType.BLOCK, "minecraft:bamboo_plantable_on", "minecraft:beds", "minecraft:bee_growables",
"minecraft:beehives", "minecraft:coral_plants", "minecraft:crops", "minecraft:dragon_immune", "minecraft:flowers",
"minecraft:portals", "minecraft:shulker_boxes", "minecraft:small_flowers", "minecraft:tall_flowers", "minecraft:trapdoors",
"minecraft:underwater_bonemeals", "minecraft:wither_immune", "minecraft:wooden_fences", "minecraft:wooden_trapdoors");
tagRewriter.addEmptyTags(RegistryType.ENTITY, "minecraft:arrows", "minecraft:beehive_inhabitors", "minecraft:raiders", "minecraft:skeletons");
tagRewriter.addEmptyTags(RegistryType.ITEM, "minecraft:beds", "minecraft:coals", "minecraft:fences", "minecraft:flowers",
"minecraft:lectern_books", "minecraft:music_discs", "minecraft:small_flowers", "minecraft:tall_flowers", "minecraft:trapdoors", "minecraft:walls", "minecraft:wooden_fences");
}
@Override
public void init(UserConnection userConnection) {
userConnection.put(new EntityTracker1_16(userConnection));
userConnection.put(new InventoryTracker1_16(userConnection));
}
@Override
public MappingData getMappingData() {
return MAPPINGS;
}
}