SteamWar/SpigotCore
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New TinyProtocol filter handling, partial fix for 1.17> ViaVersion sign translation #199

Zusammengeführt
Lixfel hat 2 Commits von tinyProtocolRefactoring nach master 2022-06-23 21:47:49 +02:00 zusammengeführt
7 geänderte Dateien mit 98 neuen und 35 gelöschten Zeilen

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@ -47,6 +47,7 @@ dependencies {
compileOnly 'io.netty:netty-all:4.1.68.Final'
compileOnly 'com.mojang:authlib:1.5.25'
compileOnly 'mysql:mysql-connector-java:5.1.49'
compileOnly 'com.viaversion:viaversion-api:4.3.1'
compileOnly files("${project.rootDir}/lib/WorldEdit-1.12.jar")
implementation 'net.wesjd:anvilgui:1.5.3-SNAPSHOT'

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@ -20,6 +20,7 @@ import org.bukkit.scheduler.BukkitRunnable;
import java.util.*;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.function.BiFunction;
import java.util.logging.Level;
/**
@ -71,7 +72,12 @@ public class TinyProtocol {
private volatile boolean closed;
private final Plugin plugin;
private final Map<Class<?>, List<BiFunction<Player, Object, Object>>> packetFilters = new HashMap<>();
@Deprecated
private PacketFilter inFilter = (player, channel, packet) -> packet;
@Deprecated
private PacketFilter outFilter = (player, channel, packet) -> packet;
public static final TinyProtocol instance = new TinyProtocol(Core.getInstance());
@ -245,18 +251,41 @@ public class TinyProtocol {
}
}
public void addFilter(Class<?> packetType, BiFunction<Player, Object, Object> filter) {
packetFilters.computeIfAbsent(packetType, c -> new ArrayList<>(1)).add(filter);
}
public void removeFilter(Class<?> packetType, BiFunction<Player, Object, Object> filter) {
packetFilters.getOrDefault(packetType, Collections.emptyList()).remove(filter);
}
public Object onPacketOutAsync(Player receiver, Channel channel, Object packet) {
return outFilter.onPacket(receiver, channel, packet);
return filterPacket(outFilter, receiver, channel, packet);
}
public Object onPacketInAsync(Player sender, Channel channel, Object packet) {
return inFilter.onPacket(sender, channel, packet);
return filterPacket(inFilter, sender, channel, packet);
}
private Object filterPacket(PacketFilter handler, Player player, Channel channel, Object packet) {
List<BiFunction<Player, Object, Object>> filters = packetFilters.getOrDefault(packet.getClass(), Collections.emptyList());
for(BiFunction<Player, Object, Object> filter : filters) {
packet = filter.apply(player, packet);
if(packet == null)
return packet;
}
return handler.onPacket(player, channel, packet);
}
@Deprecated
public void setInFilter(PacketFilter filter) {
inFilter = filter;
}
@Deprecated
public void setOutFilter(PacketFilter filter) {
outFilter = filter;
}
@ -363,6 +392,7 @@ public class TinyProtocol {
}
}
@Deprecated
public interface PacketFilter {
Object onPacket(Player player, Channel channel, Object packet);
}

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@ -26,6 +26,7 @@ import de.steamwar.command.TabCompletionCache;
import de.steamwar.command.TypeMapper;
import de.steamwar.core.authlib.AuthlibInjector;
import de.steamwar.core.events.ChattingEvent;
import de.steamwar.core.events.PartialChunkFixer;
import de.steamwar.core.events.PlayerJoinedEvent;
import de.steamwar.core.events.WorldLoadEvent;
import de.steamwar.message.Message;
@ -127,6 +128,10 @@ public class Core extends JavaPlugin{
if(Core.getVersion() < 19)
AuthlibInjector.inject();
TinyProtocol.init();
if(Core.getVersion() < 17 && Bukkit.getPluginManager().getPlugin("ViaVersion") != null)
new PartialChunkFixer();
try {
getLogger().log(Level.INFO, "Running on: " + new BufferedReader(new InputStreamReader(Runtime.getRuntime().exec("hostname").getInputStream())).readLine());
} catch (IOException e) {

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@ -1,33 +0,0 @@
/*
This file is a part of the SteamWar software.
Copyright (C) 2020 SteamWar.de-Serverteam
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package de.steamwar.core.events;
import de.steamwar.core.CraftbukkitWrapper;
import org.bukkit.entity.Player;
@Deprecated
public class ChunkListener {
private ChunkListener(){}
@Deprecated
public static void sendChunk(Player p, int chunkX, int chunkZ) {
CraftbukkitWrapper.impl.sendChunk(p, chunkX, chunkZ);
}
}

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@ -0,0 +1,55 @@
/*
* This file is a part of the SteamWar software.
*
* Copyright (C) 2022 SteamWar.de-Serverteam
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package de.steamwar.core.events;
import com.comphenix.tinyprotocol.Reflection;
import com.comphenix.tinyprotocol.TinyProtocol;
import com.viaversion.viaversion.api.Via;
import com.viaversion.viaversion.api.ViaAPI;
import de.steamwar.core.CraftbukkitWrapper;
import org.bukkit.entity.Player;
/**
* TinyProtocol can't translate BlockEntities during 1.16 to 1.17 conversions du to removed partial chunk update support. This class cancels PartialChunkUpdates for this players and sends them a complete chunk instead.
* This class can only be loaded on 1.9 to 1.15 with active ViaVersion.
**/
public class PartialChunkFixer {
private static final int PROTOCOL1_17 = 755;
private static final Class<?> mapChunk = Reflection.getClass("{nms}.PacketPlayOutMapChunk");
private static final Reflection.FieldAccessor<Boolean> fullChunkFlag = Reflection.getField(mapChunk, boolean.class, 0);
private static final Reflection.FieldAccessor<Integer> chunkX = Reflection.getField(mapChunk, int.class, 0);
private static final Reflection.FieldAccessor<Integer> chunkZ = Reflection.getField(mapChunk, int.class, 1);
private final ViaAPI<Player> via = Via.getAPI();
public PartialChunkFixer() {
TinyProtocol.instance.addFilter(mapChunk, this::chunkFilter);
}
private Object chunkFilter(Player player, Object packet) {
if(via.getPlayerVersion(player) >= PROTOCOL1_17 && !fullChunkFlag.get(packet)) {
// partial chunk update
CraftbukkitWrapper.impl.sendChunk(player, chunkX.get(packet), chunkZ.get(packet));
return null;
}
return packet;
}
}

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@ -4,6 +4,7 @@ author: Lixfel
api-version: "1.13"
load: STARTUP
softdepend:
- ViaVersion
- WorldEdit
main: de.steamwar.core.Core

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@ -81,6 +81,10 @@ allprojects {
maven {
url = uri('https://libraries.minecraft.net')
}
maven {
url = uri('https://repo.viaversion.com')
}
}
}