Initial Support for 1.20.5 (#2894)

This commit is contained in:
Maurice Eisenblätter 2024-04-28 05:21:16 +02:00 committed by GitHub
parent d0c7382d7f
commit 70e4812fde
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
8 changed files with 821 additions and 461 deletions

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@ -1,18 +1,22 @@
package com.comphenix.protocol.injector.netty.channel;
import com.comphenix.protocol.PacketType;
import com.comphenix.protocol.reflect.FuzzyReflection;
import com.comphenix.protocol.reflect.accessors.Accessors;
import com.comphenix.protocol.reflect.accessors.FieldAccessor;
import com.comphenix.protocol.reflect.fuzzy.FuzzyFieldContract;
import com.comphenix.protocol.utility.MinecraftReflection;
import io.netty.channel.Channel;
import io.netty.util.AttributeKey;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.util.List;
import java.util.function.BiFunction;
import java.util.function.Function;
import com.comphenix.protocol.PacketType;
import com.comphenix.protocol.reflect.FuzzyReflection;
import com.comphenix.protocol.reflect.accessors.Accessors;
import com.comphenix.protocol.reflect.accessors.FieldAccessor;
import com.comphenix.protocol.reflect.accessors.MethodAccessor;
import com.comphenix.protocol.reflect.fuzzy.FuzzyFieldContract;
import com.comphenix.protocol.reflect.fuzzy.FuzzyMethodContract;
import com.comphenix.protocol.utility.MinecraftReflection;
import io.netty.channel.Channel;
import io.netty.util.AttributeKey;
@SuppressWarnings("unchecked")
final class ChannelProtocolUtil {
@ -28,7 +32,10 @@ final class ChannelProtocolUtil {
.build());
BiFunction<Channel, PacketType.Sender, Object> baseResolver = null;
if (attributeKeys.size() == 1) {
if (attributeKeys.isEmpty()) {
// since 1.20.5 the protocol is stored as final field in de-/encoder
baseResolver = new Post1_20_5WrappedResolver();
} else if (attributeKeys.size() == 1) {
// if there is only one attribute key we can assume it's the correct one (1.8 - 1.20.1)
Object protocolKey = Accessors.getFieldAccessor(attributeKeys.get(0)).get(null);
baseResolver = new Pre1_20_2DirectResolver((AttributeKey<Object>) protocolKey);
@ -130,4 +137,70 @@ final class ChannelProtocolUtil {
return this.protocolAccessor;
}
}
/**
* Since 1.20.5 the protocol is stored as final field in de-/encoder
*/
private static final class Post1_20_5WrappedResolver implements BiFunction<Channel, PacketType.Sender, Object> {
// lazy initialized when needed
private Function<Object, Object> serverProtocolAccessor;
private Function<Object, Object> clientProtocolAccessor;
@Override
public Object apply(Channel channel, PacketType.Sender sender) {
String key = this.getKeyForSender(sender);
Object codecHandler = channel.pipeline().get(key);
if (codecHandler == null) {
return null;
}
Function<Object, Object> protocolAccessor = this.getProtocolAccessor(codecHandler.getClass(), sender);
return protocolAccessor.apply(codecHandler);
}
private Function<Object, Object> getProtocolAccessor(Class<?> codecHandler, PacketType.Sender sender) {
switch (sender) {
case SERVER:
if (this.serverProtocolAccessor == null) {
this.serverProtocolAccessor = getProtocolAccessor(codecHandler);
}
return this.serverProtocolAccessor;
case CLIENT:
if (this.clientProtocolAccessor == null) {
this.clientProtocolAccessor = getProtocolAccessor(codecHandler);
}
return this.clientProtocolAccessor;
default:
throw new IllegalArgumentException("Illegal packet sender " + sender.name());
}
}
private String getKeyForSender(PacketType.Sender sender) {
switch (sender) {
case SERVER:
return "encoder";
case CLIENT:
return "decoder";
default:
throw new IllegalArgumentException("Illegal packet sender " + sender.name());
}
}
private Function<Object, Object> getProtocolAccessor(Class<?> codecHandler) {
Class<?> protocolInfoClass = MinecraftReflection.getProtocolInfoClass();
MethodAccessor protocolAccessor = Accessors.getMethodAccessor(FuzzyReflection
.fromClass(protocolInfoClass)
.getMethodByReturnTypeAndParameters("id", MinecraftReflection.getEnumProtocolClass(), new Class[0]));
FieldAccessor protocolInfoAccessor = Accessors.getFieldAccessor(codecHandler, protocolInfoClass, true);
// get ProtocolInfo from handler and get EnumProtocol of ProtocolInfo
return (handler) -> {
Object protocolInfo = protocolInfoAccessor.get(handler);
return protocolAccessor.invoke(protocolInfo);
};
}
}
}

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@ -31,6 +31,7 @@ import com.comphenix.protocol.wrappers.WrappedGameProfile;
import io.netty.channel.Channel;
import io.netty.channel.ChannelHandler;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.EventLoop;
import io.netty.util.AttributeKey;
import org.bukkit.Server;
@ -202,9 +203,18 @@ public class NettyChannelInjector implements Injector {
return false;
}
ChannelPipeline pipeline = this.wrappedChannel.pipeline();
// since 1.20.5 the encoder is renamed to outbound_config only in the handshake phase
String encoderName = pipeline.get("outbound_config") != null
? "outbound_config" : "encoder";
// inject our handlers
this.wrappedChannel.pipeline().addAfter("encoder", WIRE_PACKET_ENCODER_NAME, WIRE_PACKET_ENCODER);
this.wrappedChannel.pipeline().addAfter(
pipeline.addAfter(
encoderName,
WIRE_PACKET_ENCODER_NAME,
WIRE_PACKET_ENCODER);
pipeline.addAfter(
"decoder",
INTERCEPTOR_NAME,
new InboundPacketInterceptor(this, this.channelListener));

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@ -19,14 +19,28 @@ package com.comphenix.protocol.injector.packet;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.util.*;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.function.Function;
import com.comphenix.protocol.PacketType;
import com.comphenix.protocol.PacketType.Sender;
import com.comphenix.protocol.ProtocolLogger;
import com.comphenix.protocol.reflect.FuzzyReflection;
import com.comphenix.protocol.reflect.StructureModifier;
import com.comphenix.protocol.reflect.accessors.Accessors;
import com.comphenix.protocol.reflect.accessors.FieldAccessor;
import com.comphenix.protocol.reflect.accessors.MethodAccessor;
import com.comphenix.protocol.reflect.fuzzy.FuzzyClassContract;
import com.comphenix.protocol.reflect.fuzzy.FuzzyFieldContract;
import com.comphenix.protocol.reflect.fuzzy.FuzzyMethodContract;
@ -35,6 +49,7 @@ import com.comphenix.protocol.utility.MinecraftVersion;
/**
* Static packet registry in Minecraft.
*
* @author Kristian
*/
public class PacketRegistry {
@ -49,6 +64,7 @@ public class PacketRegistry {
/**
* Represents a register we are currently building.
*
* @author Kristian
*/
protected static class Register {
@ -62,7 +78,8 @@ public class PacketRegistry {
volatile Set<PacketType> clientPackets = new HashSet<>();
final List<MapContainer> containers = new ArrayList<>();
public Register() {}
public Register() {
}
public void registerPacket(PacketType type, Class<?> clazz, Sender sender) {
typeToClass.put(type, Optional.of(clazz));
@ -83,6 +100,7 @@ public class PacketRegistry {
/**
* Determine if the current register is outdated.
*
* @return TRUE if it is, FALSE otherwise.
*/
public boolean isOutdated() {
@ -128,7 +146,8 @@ public class PacketRegistry {
modifier = new StructureModifier<>(protocol.getClass().getSuperclass());
}
StructureModifier<Map<Object, Map<Integer, Class<?>>>> maps = modifier.withTarget(protocol).withType(Map.class);
StructureModifier<Map<Object, Map<Integer, Class<?>>>> maps = modifier.withTarget(protocol)
.withType(Map.class);
for (Map.Entry<Object, Map<Integer, Class<?>>> entry : maps.read(0).entrySet()) {
String direction = entry.getKey().toString();
if (direction.contains("CLIENTBOUND")) { // Sent by Server
@ -163,7 +182,7 @@ public class PacketRegistry {
}
@SuppressWarnings("unchecked")
private static synchronized Register createNewRegister() {
private static synchronized Register createRegisterV1_15_0() {
Object[] protocols = ENUM_PROTOCOL.getEnumConstants();
// ID to Packet class maps
@ -180,11 +199,8 @@ public class PacketRegistry {
for (Object protocol : protocols) {
if (mainMapField == null) {
FuzzyReflection fuzzy = FuzzyReflection.fromClass(protocol.getClass(), true);
mainMapField = fuzzy.getField(FuzzyFieldContract.newBuilder()
.banModifier(Modifier.STATIC)
.requireModifier(Modifier.FINAL)
.typeDerivedOf(Map.class)
.build());
mainMapField = fuzzy.getField(FuzzyFieldContract.newBuilder().banModifier(Modifier.STATIC)
.requireModifier(Modifier.FINAL).typeDerivedOf(Map.class).build());
mainMapField.setAccessible(true);
}
@ -202,28 +218,22 @@ public class PacketRegistry {
Class<?> packetHolderClass = holder.getClass();
if (MinecraftVersion.CONFIG_PHASE_PROTOCOL_UPDATE.atOrAbove()) {
FuzzyReflection holderFuzzy = FuzzyReflection.fromClass(packetHolderClass, true);
holderClassField = holderFuzzy.getField(FuzzyFieldContract.newBuilder()
.banModifier(Modifier.STATIC)
holderClassField = holderFuzzy
.getField(FuzzyFieldContract.newBuilder().banModifier(Modifier.STATIC)
.requireModifier(Modifier.FINAL)
.typeMatches(FuzzyClassContract.newBuilder()
.method(FuzzyMethodContract.newBuilder()
.returnTypeExact(MinecraftReflection.getPacketClass())
.parameterCount(2)
.parameterExactType(int.class, 0)
.parameterExactType(MinecraftReflection.getPacketDataSerializerClass(), 1)
.build())
.build())
.typeMatches(FuzzyClassContract.newBuilder().method(FuzzyMethodContract
.newBuilder().returnTypeExact(MinecraftReflection.getPacketClass())
.parameterCount(2).parameterExactType(int.class, 0).parameterExactType(
MinecraftReflection.getPacketDataSerializerClass(), 1)
.build()).build())
.build());
holderClassField.setAccessible(true);
packetHolderClass = holderClassField.getType();
}
FuzzyReflection fuzzy = FuzzyReflection.fromClass(packetHolderClass, true);
packetMapField = fuzzy.getField(FuzzyFieldContract.newBuilder()
.banModifier(Modifier.STATIC)
.requireModifier(Modifier.FINAL)
.typeDerivedOf(Map.class)
.build());
packetMapField = fuzzy.getField(FuzzyFieldContract.newBuilder().banModifier(Modifier.STATIC)
.requireModifier(Modifier.FINAL).typeDerivedOf(Map.class).build());
packetMapField.setAccessible(true);
}
@ -255,13 +265,166 @@ public class PacketRegistry {
// Maps we have to occasionally check have changed
// TODO: Find equivalent in Object2IntMap
/* for (Object map : serverMaps.values()) {
result.containers.add(new MapContainer(map));
/*
* for (Object map : serverMaps.values()) { result.containers.add(new
* MapContainer(map)); }
*
* for (Object map : clientMaps.values()) { result.containers.add(new
* MapContainer(map)); }
*/
for (Object protocol : protocols) {
Enum<?> enumProtocol = (Enum<?>) protocol;
PacketType.Protocol equivalent = PacketType.Protocol.fromVanilla(enumProtocol);
// Associate known types
if (serverMaps.containsKey(protocol)) {
associatePackets(result, reverse(serverMaps.get(protocol)), equivalent, Sender.SERVER);
}
if (clientMaps.containsKey(protocol)) {
associatePackets(result, reverse(clientMaps.get(protocol)), equivalent, Sender.CLIENT);
}
}
for (Object map : clientMaps.values()) {
result.containers.add(new MapContainer(map));
} */
return result;
}
@SuppressWarnings("unchecked")
private static synchronized Register createRegisterV1_20_5() {
Object[] protocols = ENUM_PROTOCOL.getEnumConstants();
// PacketType<?> to class map
final Map<Object, Class<?>> packetTypeMap = new HashMap<>();
// List of all class containing PacketTypes
String[] packetTypesClassNames = new String[] { "common.CommonPacketTypes",
"configuration.ConfigurationPacketTypes", "cookie.CookiePacketTypes", "game.GamePacketTypes",
"handshake.HandshakePacketTypes", "login.LoginPacketTypes", "ping.PingPacketTypes",
"status.StatusPacketTypes", };
Class<?> packetTypeClass = MinecraftReflection.getMinecraftClass("network.protocol.PacketType");
for (String packetTypesClassName : packetTypesClassNames) {
Class<?> packetTypesClass = MinecraftReflection
.getMinecraftClass("network.protocol." + packetTypesClassName);
// check every field for "static final PacketType<?>"
for (Field field : packetTypesClass.getDeclaredFields()) {
try {
if (!Modifier.isFinal(field.getModifiers()) || !Modifier.isStatic(field.getModifiers())) {
continue;
}
Object packetType = field.get(null);
if (!packetTypeClass.isInstance(packetType)) {
continue;
}
// retrieve the generic type T of the PacketType<T> field
Type packet = ((ParameterizedType) field.getGenericType()).getActualTypeArguments()[0];
if (packet instanceof Class<?>) {
packetTypeMap.put(packetType, (Class<?>) packet);
}
} catch (Exception e) {
e.printStackTrace();
continue;
}
}
}
// ID to Packet class maps
final Map<Object, Map<Class<?>, Integer>> serverMaps = new LinkedHashMap<>();
final Map<Object, Map<Class<?>, Integer>> clientMaps = new LinkedHashMap<>();
// List of all class containing ProtocolInfos
String[] protocolClassNames = new String[] { "configuration.ConfigurationProtocols", "game.GameProtocols",
"handshake.HandshakeProtocols", "login.LoginProtocols", "status.StatusProtocols" };
Class<?> protocolInfoClass = MinecraftReflection.getProtocolInfoClass();
Class<?> protocolInfoUnboundClass = MinecraftReflection.getMinecraftClass("network.ProtocolInfo$a");
Class<?> streamCodecClass = MinecraftReflection.getMinecraftClass("network.codec.StreamCodec");
Class<?> idDispatchCodecClass = MinecraftReflection.getMinecraftClass("network.codec.IdDispatchCodec");
Class<?> protocolDirectionClass = MinecraftReflection
.getMinecraftClass("network.protocol.EnumProtocolDirection");
Function<?, ?> emptyFunction = input -> null;
FuzzyReflection protocolInfoReflection = FuzzyReflection.fromClass(protocolInfoClass);
MethodAccessor protocolAccessor = Accessors.getMethodAccessor(protocolInfoReflection
.getMethodByReturnTypeAndParameters("id", MinecraftReflection.getEnumProtocolClass(), new Class[0]));
MethodAccessor directionAccessor = Accessors.getMethodAccessor(protocolInfoReflection
.getMethodByReturnTypeAndParameters("flow", protocolDirectionClass, new Class[0]));
MethodAccessor codecAccessor = Accessors.getMethodAccessor(
protocolInfoReflection.getMethodByReturnTypeAndParameters("codec", streamCodecClass, new Class[0]));
MethodAccessor bindAccessor = Accessors.getMethodAccessor(FuzzyReflection.fromClass(protocolInfoUnboundClass)
.getMethodByReturnTypeAndParameters("bind", protocolInfoClass, new Class[] { Function.class }));
FieldAccessor toIdAccessor = Accessors.getFieldAccessor(FuzzyReflection.fromClass(idDispatchCodecClass, true)
.getField(FuzzyFieldContract.newBuilder().typeDerivedOf(Map.class).build()));
for (String protocolClassName : protocolClassNames) {
Class<?> protocolClass = MinecraftReflection.getMinecraftClass("network.protocol." + protocolClassName);
for (Field field : protocolClass.getDeclaredFields()) {
try {
// ignore none static and final fields
if (!Modifier.isFinal(field.getModifiers()) || !Modifier.isStatic(field.getModifiers())) {
continue;
}
Object protocolInfo = field.get(null);
// bind unbound ProtocolInfo to empty function to get real ProtocolInfo
if (protocolInfoUnboundClass.isInstance(protocolInfo)) {
protocolInfo = bindAccessor.invoke(protocolInfo, new Object[] { emptyFunction });
}
// ignore any field that isn't a ProtocolInfo
if (!protocolInfoClass.isInstance(protocolInfo)) {
continue;
}
// get codec and check if codec is instance of IdDispatchCodec
// since that is the only support codec as of now
Object codec = codecAccessor.invoke(protocolInfo);
if (!idDispatchCodecClass.isInstance(codec)) {
continue;
}
// retrieve packetTypeMap and convert it to packetIdMap
Map<Class<?>, Integer> packetMap = new HashMap<>();
Map<Object, Integer> packetTypeIdMap = (Map<Object, Integer>) toIdAccessor.get(codec);
for (Map.Entry<Object, Integer> entry : packetTypeIdMap.entrySet()) {
Class<?> packet = packetTypeMap.get(entry.getKey());
if (packet == null) {
throw new RuntimeException("packetType missing packet " + entry.getKey());
}
packetMap.put(packet, entry.getValue());
}
// get EnumProtocol and Direction of protocol info
Object protocol = protocolAccessor.invoke(protocolInfo);
String direction = directionAccessor.invoke(protocolInfo).toString();
if (direction.contains("CLIENTBOUND")) { // Sent by Server
serverMaps.put(protocol, packetMap);
} else if (direction.contains("SERVERBOUND")) { // Sent by Client
clientMaps.put(protocol, packetMap);
}
} catch (Exception e) {
e.printStackTrace();
continue;
}
}
}
Register result = new Register();
for (Object protocol : protocols) {
Enum<?> enumProtocol = (Enum<?>) protocol;
@ -280,8 +443,8 @@ public class PacketRegistry {
}
/**
* Reverses a key->value map to value->key
* Non-deterministic behavior when multiple keys are mapped to the same value
* Reverses a key->value map to value->key Non-deterministic behavior when
* multiple keys are mapped to the same value
*/
private static <K, V> Map<V, K> reverse(Map<K, V> map) {
Map<V, K> newMap = new HashMap<>(map.size());
@ -291,7 +454,8 @@ public class PacketRegistry {
return newMap;
}
protected static void associatePackets(Register register, Map<Integer, Class<?>> lookup, PacketType.Protocol protocol, Sender sender) {
protected static void associatePackets(Register register, Map<Integer, Class<?>> lookup,
PacketType.Protocol protocol, Sender sender) {
for (Map.Entry<Integer, Class<?>> entry : lookup.entrySet()) {
int packetId = entry.getKey();
Class<?> packetClass = entry.getValue();
@ -330,8 +494,10 @@ public class PacketRegistry {
return;
}
if (MinecraftVersion.BEE_UPDATE.atOrAbove()) {
REGISTER = createNewRegister();
if (MinecraftVersion.v1_20_5.atOrAbove()) {
REGISTER = createRegisterV1_20_5();
} else if (MinecraftVersion.BEE_UPDATE.atOrAbove()) {
REGISTER = createRegisterV1_15_0();
} else {
REGISTER = createOldRegister();
}
@ -342,6 +508,7 @@ public class PacketRegistry {
/**
* Determine if the given packet type is supported on the current server.
*
* @param type - the type to check.
* @return TRUE if it is, FALSE otherwise.
*/
@ -352,6 +519,7 @@ public class PacketRegistry {
/**
* Retrieve every known and supported server packet type.
*
* @return Every server packet type.
*/
public static Set<PacketType> getServerPacketTypes() {
@ -363,6 +531,7 @@ public class PacketRegistry {
/**
* Retrieve every known and supported server packet type.
*
* @return Every server packet type.
*/
public static Set<PacketType> getClientPacketTypes() {
@ -380,7 +549,8 @@ public class PacketRegistry {
&& !Modifier.isAbstract(clazz.getModifiers())) {
return clazz;
}
} catch (Exception ignored) {}
} catch (Exception ignored) {
}
}
return null;
@ -390,7 +560,8 @@ public class PacketRegistry {
* Retrieves the correct packet class from a given type.
*
* @param type - the packet type.
* @param forceVanilla - whether or not to look for vanilla classes, not injected classes.
* @param forceVanilla - whether or not to look for vanilla classes, not
* injected classes.
* @return The associated class.
* @deprecated forceVanilla no longer has any effect
*/
@ -414,21 +585,25 @@ public class PacketRegistry {
// Then try looking up the class names
Class<?> clazz = searchForPacket(type.getClassNames());
if (clazz != null) {
// we'd like for it to be associated correctly from the get-go; this is OK on older versions though
ProtocolLogger.warnAbove(type.getCurrentVersion(), "Updating associated class for {0} to {1}", type.name(), clazz);
// we'd like for it to be associated correctly from the get-go; this is OK on
// older versions though
ProtocolLogger.warnAbove(type.getCurrentVersion(), "Updating associated class for {0} to {1}", type.name(),
clazz);
}
// cache it for next time
associate(type, clazz);
if (clazz != null && MinecraftReflection.isBundleDelimiter(clazz)) {
clazz = MinecraftReflection.getPackedBundlePacketClass().orElseThrow(() -> new IllegalStateException("Packet bundle class not found."));
clazz = MinecraftReflection.getPackedBundlePacketClass()
.orElseThrow(() -> new IllegalStateException("Packet bundle class not found."));
}
return Optional.ofNullable(clazz);
}
/**
* Get the packet class associated with a given type. First attempts to read from the
* type-to-class mapping, and tries
* Get the packet class associated with a given type. First attempts to read
* from the type-to-class mapping, and tries
*
* @param type the packet type
* @return The associated class
*/
@ -439,9 +614,11 @@ public class PacketRegistry {
/**
* Retrieve the packet type of a given packet.
*
* @param packet - the class of the packet.
* @return The packet type, or NULL if not found.
* @deprecated major issues due to packets with shared classes being registered in multiple states.
* @deprecated major issues due to packets with shared classes being registered
* in multiple states.
*/
@Deprecated
public static PacketType getPacketType(Class<?> packet) {
@ -455,11 +632,13 @@ public class PacketRegistry {
}
/**
* Retrieve the associated packet type for a packet class in the given protocol state.
* Retrieve the associated packet type for a packet class in the given protocol
* state.
*
* @param protocol the protocol state to retrieve the packet from.
* @param packet the class identifying the packet type.
* @return the packet type associated with the given class in the given protocol state, or null if not found.
* @return the packet type associated with the given class in the given protocol
* state, or null if not found.
*/
public static PacketType getPacketType(PacketType.Protocol protocol, Class<?> packet) {
initialize();
@ -473,6 +652,7 @@ public class PacketRegistry {
/**
* Retrieve the packet type of a given packet.
*
* @param packet - the class of the packet.
* @param sender - the sender of the packet, or NULL.
* @return The packet type, or NULL if not found.

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@ -62,7 +62,7 @@ public final class ChatExtensions {
// since 1.19 system chat is extracted into a separate packet
packet = new PacketContainer(PacketType.Play.Server.SYSTEM_CHAT);
packet.getStrings().write(0, component.getJson());
packet.getChatComponents().write(0, component);
packet.getBooleans().write(0, false);
} else {
packet = new PacketContainer(PacketType.Play.Server.CHAT);

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@ -638,7 +638,8 @@ public final class MinecraftReflection {
}
public static boolean isBundleDelimiter(Class<?> packetClass) {
return Optionals.Equals(getBundleDelimiterClass(), packetClass);
Class<?> bundleDelimiterClass = getBundleDelimiterClass().orElse(null);
return bundleDelimiterClass != null && (packetClass.equals(bundleDelimiterClass) || bundleDelimiterClass.isAssignableFrom(packetClass));
}
public static Optional<Class<?>> getBundleDelimiterClass() {
@ -1660,7 +1661,7 @@ public final class MinecraftReflection {
*/
private static void useFallbackServer() {
// Get the first constructor that matches CraftServer(MINECRAFT_OBJECT, ANY)
Constructor<?> selected = FuzzyReflection.fromClass(getCraftBukkitClass("CraftServer"))
Constructor<?> selected = FuzzyReflection.fromClass(getCraftServer())
.getConstructor(FuzzyMethodContract.newBuilder()
.parameterMatches(getMinecraftObjectMatcher(), 0)
.parameterCount(2)
@ -1716,4 +1717,16 @@ public final class MinecraftReflection {
public static Class<?> getHolderClass() {
return getMinecraftClass("core.Holder");
}
public static Class<?> getCraftServer() {
return getCraftBukkitClass("CraftServer");
}
public static Class<?> getHolderLookupProviderClass() {
return getMinecraftClass("core.HolderLookup$a" /* Spigot Mappings */, "core.HolderLookup$Provider" /* Mojang Mappings */);
}
public static Class<?> getProtocolInfoClass() {
return getMinecraftClass("network.ProtocolInfo");
}
}

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@ -0,0 +1,60 @@
package com.comphenix.protocol.utility;
import java.lang.reflect.Modifier;
import org.bukkit.Bukkit;
import com.comphenix.protocol.reflect.FuzzyReflection;
import com.comphenix.protocol.reflect.accessors.Accessors;
import com.comphenix.protocol.reflect.accessors.MethodAccessor;
import com.comphenix.protocol.reflect.fuzzy.FuzzyMethodContract;
/**
* Static getter for the registry access accessor which is need for most of the methods
* since 1.20.5 that access the registry and in form.
*/
public class MinecraftRegistryAccess {
private static MethodAccessor GET_SERVER = null;
private static MethodAccessor REGISTRY_ACCESS = null;
// lazy initialized
private static Object registryAccess = null;
static {
if (MinecraftVersion.v1_20_5.atOrAbove()) {
GET_SERVER = Accessors.getMethodAccessor(
FuzzyReflection.fromClass(MinecraftReflection.getCraftServer(), false)
.getMethod(FuzzyMethodContract.newBuilder()
.banModifier(Modifier.STATIC)
.returnDerivedOf(MinecraftReflection.getMinecraftServerClass())
.build()));
REGISTRY_ACCESS = Accessors.getMethodAccessor(
FuzzyReflection.fromClass(MinecraftReflection.getMinecraftServerClass(), false)
.getMethod(FuzzyMethodContract.newBuilder()
.banModifier(Modifier.STATIC)
.returnDerivedOf(MinecraftReflection.getHolderLookupProviderClass())
.build()));
}
}
/**
* Returns the composite global registry access. Equiv. of
* <pre>((CraftServer) Bukkit.getServer()).getServer().registryAccess()</pre>
*
* @return composite registy acesss
*/
public static Object get() {
if (GET_SERVER == null || REGISTRY_ACCESS == null) {
return null;
}
if (registryAccess == null) {
Object server = GET_SERVER.invoke(Bukkit.getServer());
registryAccess = REGISTRY_ACCESS.invoke(server);
}
return registryAccess;
}
}

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@ -36,6 +36,11 @@ import org.bukkit.Server;
* @author Kristian
*/
public final class MinecraftVersion implements Comparable<MinecraftVersion>, Serializable {
/**
* Version 1.20.5 - the cookie and transfer packet update
*/
public static final MinecraftVersion v1_20_5 = new MinecraftVersion("1.20.5");
/**
* Version 1.20.4 - the decorated pot update
*/

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@ -1,6 +1,5 @@
package com.comphenix.protocol.wrappers;
import com.google.gson.JsonObject;
import java.io.StringReader;
import java.util.Optional;
@ -11,10 +10,10 @@ import com.comphenix.protocol.reflect.accessors.Accessors;
import com.comphenix.protocol.reflect.accessors.ConstructorAccessor;
import com.comphenix.protocol.reflect.accessors.MethodAccessor;
import com.comphenix.protocol.utility.MinecraftReflection;
import com.comphenix.protocol.utility.MinecraftRegistryAccess;
import com.comphenix.protocol.utility.MinecraftVersion;
import com.google.common.base.Preconditions;
import net.minecraft.network.chat.IChatBaseComponent;
import com.google.gson.JsonObject;
/**
* Represents a chat component added in Minecraft 1.7.2
@ -39,14 +38,22 @@ public class WrappedChatComponent extends AbstractWrapper implements ClonableWra
FuzzyReflection fuzzy = FuzzyReflection.fromClass(SERIALIZER, true);
// Retrieve the correct methods
if (MinecraftVersion.v1_20_5.atOrAbove()) {
SERIALIZE_COMPONENT = Accessors.getMethodAccessor(fuzzy.getMethodByReturnTypeAndParameters("serialize", /* a */
String.class, new Class<?>[] { COMPONENT, MinecraftReflection.getHolderLookupProviderClass() }));
} else {
SERIALIZE_COMPONENT = Accessors.getMethodAccessor(fuzzy.getMethodByReturnTypeAndParameters("serialize", /* a */
String.class, new Class<?>[] { COMPONENT }));
}
GSON = Accessors.getFieldAccessor(fuzzy.getFieldByType("gson", GSON_CLASS)).get(null);
if (MinecraftVersion.v1_20_4.atOrAbove()) {
if (MinecraftVersion.v1_20_5.atOrAbove()) {
DESERIALIZE = Accessors.getMethodAccessor(FuzzyReflection.fromClass(SERIALIZER, false)
.getMethodByReturnTypeAndParameters("fromJsonLenient", MUTABLE_COMPONENT_CLASS.get(), String.class));
.getMethodByReturnTypeAndParameters("fromJson", MUTABLE_COMPONENT_CLASS.get(), new Class[] { String.class, MinecraftReflection.getHolderLookupProviderClass() }));
} else if (MinecraftVersion.v1_20_4.atOrAbove()) {
DESERIALIZE = Accessors.getMethodAccessor(FuzzyReflection.fromClass(SERIALIZER, false)
.getMethodByReturnTypeAndParameters("fromJson", MUTABLE_COMPONENT_CLASS.get(), new Class[] { String.class }));
} else {
try {
DESERIALIZE = Accessors.getMethodAccessor(FuzzyReflection.fromClass(MinecraftReflection.getChatDeserializer(), true)
@ -68,7 +75,19 @@ public class WrappedChatComponent extends AbstractWrapper implements ClonableWra
}
}
private static Object serialize(Object handle) {
if (MinecraftVersion.v1_20_5.atOrAbove()) {
return SERIALIZE_COMPONENT.invoke(null, handle, MinecraftRegistryAccess.get());
}
return SERIALIZE_COMPONENT.invoke(null, handle);
}
private static Object deserialize(String json) {
if (MinecraftVersion.v1_20_5.atOrAbove()) {
return DESERIALIZE.invoke(null, json, MinecraftRegistryAccess.get());
}
if (MinecraftVersion.v1_20_4.atOrAbove()) {
return DESERIALIZE.invoke(null, json);
}
@ -167,7 +186,7 @@ public class WrappedChatComponent extends AbstractWrapper implements ClonableWra
*/
public String getJson() {
if (cache == null) {
cache = (String) SERIALIZE_COMPONENT.invoke(null, handle);
cache = (String) serialize(handle);
}
return cache;
}