Mirrors/Velocity
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Mirror von https://github.com/PaperMC/Velocity.git synchronisiert 2024-12-23 23:00:35 +01:00
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Do not handle scoreboards from backend

Quellcode durchsuchen 
Changes in StateRegistry will allow to us skip packets decode which we don't want handle in BackendPlaySessionHandler for a specific versions
Also do not handle respawn packet
Dieser Commit ist enthalten in:
Leymooo 2018-08-12 02:38:37 +03:00
Ursprung 21e72556c9
Commit 6a2b945ed6
6 geänderte Dateien mit 51 neuen und 151 gelöschten Zeilen
Statistiken anzeigen Patch-Datei herunterladen Vergleichs-Datei herunterladen Alle Dateien ausklappen Alle Dateien einklappen

9
.gitignore vendored
Datei anzeigen

@ -85,6 +85,12 @@ modules.xml
# BlueJ files
*.ctxt
# Eclipse #
**/.classpath
**/.project
**/.settings/
**/bin/
# Mobile Tools for Java (J2ME)
.mtj.tmp/
@ -122,4 +128,5 @@ gradle-app.setting
# Other trash
logs/
/velocity.toml
server-icon.png
server-icon.png
/bin/

2
api/src/main/java/com/velocitypowered/api/proxy/Player.java
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@ -30,7 +30,7 @@ public interface Player extends CommandInvoker, InboundConnection {
* @return an {@link Optional} the server that the player is connected to, which may be empty
*/
Optional<ServerInfo> getCurrentServer();
/**
* Sends a chat message to the player's client.
* @param component the chat message to send

11
proxy/src/main/java/com/velocitypowered/proxy/connection/backend/BackendPlaySessionHandler.java
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@ -7,7 +7,6 @@ import com.velocitypowered.proxy.protocol.packet.*;
import com.velocitypowered.proxy.connection.MinecraftSessionHandler;
import com.velocitypowered.proxy.protocol.util.PluginMessageUtil;
import io.netty.buffer.ByteBuf;
import io.netty.util.ReferenceCountUtil;
public class BackendPlaySessionHandler implements MinecraftSessionHandler {
private final ServerConnection connection;
@ -35,10 +34,6 @@ public class BackendPlaySessionHandler implements MinecraftSessionHandler {
connection.getProxyPlayer().handleConnectionException(connection.getServerInfo(), original);
} else if (packet instanceof JoinGame) {
playerHandler.handleBackendJoinGame((JoinGame) packet);
} else if (packet instanceof Respawn) {
// Record the dimension switch, and then forward the packet on.
playerHandler.setCurrentDimension(((Respawn) packet).getDimension());
connection.getProxyPlayer().getConnection().write(packet);
} else if (packet instanceof BossBar) {
BossBar bossBar = (BossBar) packet;
switch (bossBar.getAction()) {
@ -64,12 +59,6 @@ public class BackendPlaySessionHandler implements MinecraftSessionHandler {
connection.getProxyPlayer().getConnection().write(pm);
} else {
// Just forward the packet on. We don't have anything to handle at this time.
if (packet instanceof ScoreboardTeam ||
packet instanceof ScoreboardObjective ||
packet instanceof ScoreboardSetScore ||
packet instanceof ScoreboardDisplay) {
playerHandler.handleServerScoreboardPacket(packet);
}
connection.getProxyPlayer().getConnection().write(packet);
}
}

104
proxy/src/main/java/com/velocitypowered/proxy/connection/client/ClientPlaySessionHandler.java
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@ -1,12 +1,6 @@
package com.velocitypowered.proxy.connection.client;
import com.velocitypowered.proxy.VelocityServer;
import com.velocitypowered.proxy.command.VelocityCommand;
import com.velocitypowered.api.server.ServerInfo;
import com.velocitypowered.proxy.data.scoreboard.Objective;
import com.velocitypowered.proxy.data.scoreboard.Score;
import com.velocitypowered.proxy.data.scoreboard.Scoreboard;
import com.velocitypowered.proxy.data.scoreboard.Team;
import com.velocitypowered.proxy.protocol.MinecraftPacket;
import com.velocitypowered.proxy.protocol.ProtocolConstants;
import com.velocitypowered.proxy.protocol.packet.*;
@ -21,7 +15,6 @@ import net.kyori.text.format.TextColor;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import java.net.InetSocketAddress;
import java.util.*;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.ThreadLocalRandom;
@ -37,8 +30,6 @@ public class ClientPlaySessionHandler implements MinecraftSessionHandler {
private boolean spawned = false;
private final List<UUID> serverBossBars = new ArrayList<>();
private final Set<String> clientPluginMsgChannels = new HashSet<>();
private int currentDimension;
private Scoreboard serverScoreboard = new Scoreboard();
private EntityIdRemapper idRemapper;
public ClientPlaySessionHandler(ConnectedPlayer player) {
@ -161,7 +152,6 @@ public class ClientPlaySessionHandler implements MinecraftSessionHandler {
if (!spawned) {
// nothing special to do here
spawned = true;
currentDimension = joinGame.getDimension();
player.getConnection().delayedWrite(joinGame);
idRemapper = EntityIdRemapper.getMapper(joinGame.getEntityId(), player.getConnection().getProtocolVersion());
} else {
@ -182,13 +172,6 @@ public class ClientPlaySessionHandler implements MinecraftSessionHandler {
int tempDim = joinGame.getDimension() == 0 ? -1 : 0;
player.getConnection().delayedWrite(new Respawn(tempDim, joinGame.getDifficulty(), joinGame.getGamemode(), joinGame.getLevelType()));
player.getConnection().delayedWrite(new Respawn(joinGame.getDimension(), joinGame.getDifficulty(), joinGame.getGamemode(), joinGame.getLevelType()));
currentDimension = joinGame.getDimension();
}
// Resend client settings packet to remote server if we have it, this preserves client settings across
// transitions.
if (player.getClientSettings() != null) {
player.getConnectedServer().getMinecraftConnection().delayedWrite(player.getClientSettings());
}
// Remove old boss bars.
@ -200,9 +183,6 @@ public class ClientPlaySessionHandler implements MinecraftSessionHandler {
}
serverBossBars.clear();
// Remove scoreboard junk.
clearServerScoreboard();
// Tell the server about this client's plugin messages. Velocity will forward them on to the client.
if (!clientPluginMsgChannels.isEmpty()) {
String channel = player.getConnection().getProtocolVersion() >= ProtocolConstants.MINECRAFT_1_13 ?
@ -216,10 +196,6 @@ public class ClientPlaySessionHandler implements MinecraftSessionHandler {
player.getConnectedServer().getMinecraftConnection().flush();
}
public void setCurrentDimension(int currentDimension) {
this.currentDimension = currentDimension;
}
public List<UUID> getServerBossBars() {
return serverBossBars;
}
@ -261,86 +237,6 @@ public class ClientPlaySessionHandler implements MinecraftSessionHandler {
player.getConnectedServer().getMinecraftConnection().write(packet);
}
public void handleServerScoreboardPacket(MinecraftPacket packet) {
if (packet instanceof ScoreboardDisplay) {
ScoreboardDisplay sd = (ScoreboardDisplay) packet;
serverScoreboard.setPosition(sd.getPosition());
serverScoreboard.setDisplayName(sd.getDisplayName());
}
if (packet instanceof ScoreboardObjective) {
ScoreboardObjective so = (ScoreboardObjective) packet;
switch (so.getMode()) {
case ScoreboardObjective.ADD:
Objective o = new Objective(so.getId());
o.setDisplayName(so.getDisplayName());
o.setType(so.getType());
serverScoreboard.getObjectives().put(so.getId(), o);
break;
case ScoreboardObjective.REMOVE:
serverScoreboard.getObjectives().remove(so.getId());
break;
}
}
if (packet instanceof ScoreboardSetScore) {
ScoreboardSetScore sss = (ScoreboardSetScore) packet;
Objective objective = serverScoreboard.getObjectives().get(sss.getObjective());
if (objective == null) {
return;
}
switch (sss.getAction()) {
case ScoreboardSetScore.CHANGE:
Score score = new Score(sss.getEntity(), sss.getValue());
objective.getScores().put(sss.getEntity(), score);
break;
case ScoreboardSetScore.REMOVE:
objective.getScores().remove(sss.getEntity());
break;
}
}
if (packet instanceof ScoreboardTeam) {
ScoreboardTeam st = (ScoreboardTeam) packet;
switch (st.getMode()) {
case ScoreboardTeam.ADD:
// TODO: Preserve other team information? We might not need to...
Team team = new Team(st.getId());
serverScoreboard.getTeams().put(st.getId(), team);
break;
case ScoreboardTeam.REMOVE:
serverScoreboard.getTeams().remove(st.getId());
break;
}
}
}
private void clearServerScoreboard() {
for (Objective objective : serverScoreboard.getObjectives().values()) {
for (Score score : objective.getScores().values()) {
ScoreboardSetScore sss = new ScoreboardSetScore();
sss.setObjective(objective.getId());
sss.setAction(ScoreboardSetScore.REMOVE);
sss.setEntity(score.getTarget());
player.getConnection().delayedWrite(sss);
}
ScoreboardObjective so = new ScoreboardObjective();
so.setId(objective.getId());
so.setMode(ScoreboardObjective.REMOVE);
player.getConnection().delayedWrite(so);
}
for (Team team : serverScoreboard.getTeams().values()) {
ScoreboardTeam st = new ScoreboardTeam();
st.setId(team.getId());
st.setMode(ScoreboardTeam.REMOVE);
player.getConnection().delayedWrite(st);
}
serverScoreboard = new Scoreboard();
}
public Set<String> getClientPluginMsgChannels() {
return clientPluginMsgChannels;
}

70
proxy/src/main/java/com/velocitypowered/proxy/protocol/StateRegistry.java
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@ -99,35 +99,35 @@ public enum StateRegistry {
map(0x23, MINECRAFT_1_12),
map(0x25, MINECRAFT_1_13));
CLIENTBOUND.register(Respawn.class, Respawn::new,
map(0x07, MINECRAFT_1_8),
map(0x33, MINECRAFT_1_9),
map(0x34, MINECRAFT_1_12),
map(0x35, MINECRAFT_1_12_2),
map(0x38, MINECRAFT_1_13));
map(0x07, MINECRAFT_1_8, false),
map(0x33, MINECRAFT_1_9, false),
map(0x34, MINECRAFT_1_12, false),
map(0x35, MINECRAFT_1_12_2, false),
map(0x38, MINECRAFT_1_13, false));
CLIENTBOUND.register(ScoreboardDisplay.class, ScoreboardDisplay::new,
map(0x3D, MINECRAFT_1_8),
map(0x38, MINECRAFT_1_9),
map(0x3A, MINECRAFT_1_12),
map(0x3B, MINECRAFT_1_12_1),
map(0x3E, MINECRAFT_1_13));
map(0x3D, MINECRAFT_1_8, false),
map(0x38, MINECRAFT_1_9, false),
map(0x3A, MINECRAFT_1_12, false),
map(0x3B, MINECRAFT_1_12_1, false),
map(0x3E, MINECRAFT_1_13, false));
CLIENTBOUND.register(ScoreboardObjective.class, ScoreboardObjective::new,
map(0x3B, MINECRAFT_1_8),
map(0x3F, MINECRAFT_1_9),
map(0x41, MINECRAFT_1_12),
map(0x42, MINECRAFT_1_12_1),
map(0x45, MINECRAFT_1_13));
map(0x3B, MINECRAFT_1_8, false),
map(0x3F, MINECRAFT_1_9, false),
map(0x41, MINECRAFT_1_12, false),
map(0x42, MINECRAFT_1_12_1, false),
map(0x45, MINECRAFT_1_13, false));
CLIENTBOUND.register(ScoreboardTeam.class, ScoreboardTeam::new,
map(0x3E, MINECRAFT_1_8),
map(0x41, MINECRAFT_1_9),
map(0x43, MINECRAFT_1_12),
map(0x44, MINECRAFT_1_12_1),
map(0x47, MINECRAFT_1_13));
map(0x3E, MINECRAFT_1_8, false),
map(0x41, MINECRAFT_1_9, false),
map(0x43, MINECRAFT_1_12, false),
map(0x44, MINECRAFT_1_12_1, false),
map(0x47, MINECRAFT_1_13, false));
CLIENTBOUND.register(ScoreboardSetScore.class, ScoreboardSetScore::new,
map(0x3C, MINECRAFT_1_8),
map(0x42, MINECRAFT_1_9),
map(0x44, MINECRAFT_1_12),
map(0x45, MINECRAFT_1_12_1),
map(0x48, MINECRAFT_1_13));
map(0x3C, MINECRAFT_1_8, false),
map(0x42, MINECRAFT_1_9, false),
map(0x44, MINECRAFT_1_12, false),
map(0x45, MINECRAFT_1_12_1, false),
map(0x48, MINECRAFT_1_13, false));
}
},
LOGIN {
@ -188,6 +188,7 @@ public enum StateRegistry {
return result;
}
public <P extends MinecraftPacket> void register(Class<P> clazz, Supplier<P> packetSupplier, PacketMapping... mappings) {
if (mappings.length == 0) {
throw new IllegalArgumentException("At least one mapping must be provided.");
@ -198,8 +199,9 @@ public enum StateRegistry {
if (version == null) {
throw new IllegalArgumentException("Unknown protocol version " + mapping.protocolVersion);
}
version.packetIdToSupplier.put(mapping.id, packetSupplier);
if (mapping.needPacketDecode) {
version.packetIdToSupplier.put(mapping.id, packetSupplier);
}
version.packetClassToId.put(clazz, mapping.id);
ImmutableIntArray linked = LINKED_PROTOCOL_VERSIONS.get(mapping.protocolVersion);
@ -210,7 +212,7 @@ public enum StateRegistry {
for (PacketMapping m : mappings) {
if (linkedVersion == m.protocolVersion) continue links;
}
register(clazz, packetSupplier, map(mapping.id, linkedVersion));
register(clazz, packetSupplier, map(mapping.id, linkedVersion, mapping.needPacketDecode));
}
}
}
@ -258,10 +260,12 @@ public enum StateRegistry {
public static class PacketMapping {
private final int id;
private final int protocolVersion;
public PacketMapping(int id, int protocolVersion) {
private final boolean needPacketDecode;
public PacketMapping(int id, int protocolVersion, boolean needPacketDecode) {
this.id = id;
this.protocolVersion = protocolVersion;
this.needPacketDecode = needPacketDecode;
}
@Override
@ -287,8 +291,12 @@ public enum StateRegistry {
}
}
private static PacketMapping map(int id, int version, boolean handleFromBackend) {
return new PacketMapping(id, version, handleFromBackend);
}
private static PacketMapping map(int id, int version) {
return new PacketMapping(id, version);
return map(id, version, true);
}
private static PacketMapping[] genericMappings(int id) {

6
proxy/src/test/java/com/velocitypowered/proxy/protocol/PacketRegistryTest.java
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@ -11,7 +11,7 @@ import static org.junit.jupiter.api.Assertions.*;
class PacketRegistryTest {
private StateRegistry.PacketRegistry setupRegistry() {
StateRegistry.PacketRegistry registry = new StateRegistry.PacketRegistry(ProtocolConstants.Direction.CLIENTBOUND, StateRegistry.HANDSHAKE);
registry.register(Handshake.class, Handshake::new, new StateRegistry.PacketMapping(0x00, MINECRAFT_1_12));
registry.register(Handshake.class, Handshake::new, new StateRegistry.PacketMapping(0x00, MINECRAFT_1_12, true));
return registry;
}
@ -44,8 +44,8 @@ class PacketRegistryTest {
@Test
void registrySuppliesCorrectPacketsByProtocol() {
StateRegistry.PacketRegistry registry = new StateRegistry.PacketRegistry(ProtocolConstants.Direction.CLIENTBOUND, StateRegistry.HANDSHAKE);
registry.register(Handshake.class, Handshake::new, new StateRegistry.PacketMapping(0x00, MINECRAFT_1_12),
new StateRegistry.PacketMapping(0x01, MINECRAFT_1_12_1));
registry.register(Handshake.class, Handshake::new, new StateRegistry.PacketMapping(0x00, MINECRAFT_1_12, true),
new StateRegistry.PacketMapping(0x01, MINECRAFT_1_12_1, true));
assertEquals(Handshake.class, registry.getVersion(MINECRAFT_1_12).createPacket(0x00).getClass());
assertEquals(Handshake.class, registry.getVersion(MINECRAFT_1_12_1).createPacket(0x01).getClass());
assertEquals(Handshake.class, registry.getVersion(MINECRAFT_1_12_2).createPacket(0x01).getClass());