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From 1542fc3959303de148140f1e32925083db1ee346 Mon Sep 17 00:00:00 2001
From: md_5 <git@md-5.net>
Date: Sat, 12 Apr 2014 15:11:15 +1000
Subject: [PATCH] Old / New Version Support.
This adds support for newer / older Minecraft versions.
At present it supports protocol versions 4 and 5 (1.7.2-1.7.8).
diff --git a/src/main/java/net/minecraft/server/HandshakeListener.java b/src/main/java/net/minecraft/server/HandshakeListener.java
index ee24038..2ef286e 100644
--- a/src/main/java/net/minecraft/server/HandshakeListener.java
+++ b/src/main/java/net/minecraft/server/HandshakeListener.java
@@ -26,6 +26,7 @@ public class HandshakeListener implements PacketHandshakingInListener {
}
public void a(PacketHandshakingInSetProtocol packethandshakinginsetprotocol) {
+ NetworkManager.a( this.b ).attr( NetworkManager.protocolVersion ).set( packethandshakinginsetprotocol.d() ); // Spigot
switch (ProtocolOrdinalWrapper.a[packethandshakinginsetprotocol.c().ordinal()]) {
case 1:
this.b.a(EnumProtocol.LOGIN);
@@ -70,7 +71,7 @@ public class HandshakeListener implements PacketHandshakingInListener {
chatcomponenttext = new ChatComponentText( org.spigotmc.SpigotConfig.outdatedServerMessage ); // Spigot
this.b.handle(new PacketLoginOutDisconnect(chatcomponenttext), new GenericFutureListener[0]);
this.b.close(chatcomponenttext);
- } else if (packethandshakinginsetprotocol.d() < 5) {
+ } else if (packethandshakinginsetprotocol.d() < 4) {
chatcomponenttext = new ChatComponentText( org.spigotmc.SpigotConfig.outdatedClientMessage ); // Spigot
this.b.handle(new PacketLoginOutDisconnect(chatcomponenttext), new GenericFutureListener[0]);
this.b.close(chatcomponenttext);
diff --git a/src/main/java/net/minecraft/server/NetworkManager.java b/src/main/java/net/minecraft/server/NetworkManager.java
index 31d6008..0c10e18 100644
--- a/src/main/java/net/minecraft/server/NetworkManager.java
+++ b/src/main/java/net/minecraft/server/NetworkManager.java
@@ -47,6 +47,19 @@ public class NetworkManager extends SimpleChannelInboundHandler {
private EnumProtocol p;
private IChatBaseComponent q;
private boolean r;
+ // Spigot Start
+ public static final AttributeKey<Integer> protocolVersion = new AttributeKey<Integer>("protocol_version");
+ public static final int CURRENT_VERSION = 5;
+ public static int getVersion(Channel attr)
+ {
+ Integer ver = attr.attr( protocolVersion ).get();
+ return ( ver != null ) ? ver : CURRENT_VERSION;
+ }
+ public int getVersion()
+ {
+ return getVersion( this.m );
+ }
+ // Spigot End
public NetworkManager(boolean flag) {
this.j = flag;
diff --git a/src/main/java/net/minecraft/server/PacketDataSerializer.java b/src/main/java/net/minecraft/server/PacketDataSerializer.java
index f6f870f..855e85e 100644
--- a/src/main/java/net/minecraft/server/PacketDataSerializer.java
+++ b/src/main/java/net/minecraft/server/PacketDataSerializer.java
@@ -19,10 +19,19 @@ import org.bukkit.craftbukkit.inventory.CraftItemStack; // CraftBukkit
public class PacketDataSerializer extends ByteBuf {
private final ByteBuf a;
+ // Spigot Start
+ public final int version;
- public PacketDataSerializer(ByteBuf bytebuf) {
+ public PacketDataSerializer(ByteBuf bytebuf)
+ {
+ this( bytebuf, NetworkManager.CURRENT_VERSION );
+ }
+
+ public PacketDataSerializer(ByteBuf bytebuf, int version) {
this.a = bytebuf;
+ this.version = version;
}
+ // Spigot End
public static int a(int i) {
return (i & -128) == 0 ? 1 : ((i & -16384) == 0 ? 2 : ((i & -2097152) == 0 ? 3 : ((i & -268435456) == 0 ? 4 : 5)));
diff --git a/src/main/java/net/minecraft/server/PacketEncoder.java b/src/main/java/net/minecraft/server/PacketEncoder.java
new file mode 100644
index 0000000..7994daa
--- /dev/null
+++ b/src/main/java/net/minecraft/server/PacketEncoder.java
@@ -0,0 +1,45 @@
+package net.minecraft.server;
+
+import java.io.IOException;
+
+import net.minecraft.util.com.google.common.collect.BiMap;
+import net.minecraft.util.io.netty.buffer.ByteBuf;
+import net.minecraft.util.io.netty.channel.ChannelHandlerContext;
+import net.minecraft.util.io.netty.handler.codec.MessageToByteEncoder;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+import org.apache.logging.log4j.Marker;
+import org.apache.logging.log4j.MarkerManager;
+
+public class PacketEncoder extends MessageToByteEncoder {
+
+ private static final Logger a = LogManager.getLogger();
+ private static final Marker b = MarkerManager.getMarker("PACKET_SENT", NetworkManager.b);
+ private final NetworkStatistics c;
+
+ public PacketEncoder(NetworkStatistics networkstatistics) {
+ this.c = networkstatistics;
+ }
+
+ protected void a(ChannelHandlerContext channelhandlercontext, Packet packet, ByteBuf bytebuf) throws IOException {
+ Integer integer = (Integer) ((BiMap) channelhandlercontext.channel().attr(NetworkManager.f).get()).inverse().get(packet.getClass());
+
+ if (a.isDebugEnabled()) {
+ a.debug(b, "OUT: [{}:{}] {}[{}]", new Object[] { channelhandlercontext.channel().attr(NetworkManager.d).get(), integer, packet.getClass().getName(), packet.b()});
+ }
+
+ if (integer == null) {
+ throw new IOException("Can\'t serialize unregistered packet");
+ } else {
+ PacketDataSerializer packetdataserializer = new PacketDataSerializer(bytebuf, NetworkManager.getVersion(channelhandlercontext.channel())); // Spigot
+
+ packetdataserializer.b(integer.intValue());
+ packet.b(packetdataserializer);
+ this.c.b(integer.intValue(), (long) packetdataserializer.readableBytes());
+ }
+ }
+
+ protected void encode(ChannelHandlerContext channelhandlercontext, Object object, ByteBuf bytebuf) throws IOException {
+ this.a(channelhandlercontext, (Packet) object, bytebuf);
+ }
+}
diff --git a/src/main/java/net/minecraft/server/PacketLoginOutSuccess.java b/src/main/java/net/minecraft/server/PacketLoginOutSuccess.java
new file mode 100644
index 0000000..a244f00
--- /dev/null
+++ b/src/main/java/net/minecraft/server/PacketLoginOutSuccess.java
@@ -0,0 +1,44 @@
+package net.minecraft.server;
+
+import java.io.IOException;
+import java.util.UUID;
+
+import net.minecraft.util.com.mojang.authlib.GameProfile;
+
+public class PacketLoginOutSuccess extends Packet {
+
+ private GameProfile a;
+
+ public PacketLoginOutSuccess() {}
+
+ public PacketLoginOutSuccess(GameProfile gameprofile) {
+ this.a = gameprofile;
+ }
+
+ public void a(PacketDataSerializer packetdataserializer) throws IOException {
+ String s = packetdataserializer.c(36);
+ String s1 = packetdataserializer.c(16);
+ UUID uuid = UUID.fromString(s);
+
+ this.a = new GameProfile(uuid, s1);
+ }
+
+ public void b(PacketDataSerializer packetdataserializer) throws IOException {
+ UUID uuid = this.a.getId();
+
+ packetdataserializer.a(uuid == null ? "" : ( ( packetdataserializer.version >= 5 ) ? uuid.toString() : uuid.toString().replaceAll( "-", "" ) ) );
+ packetdataserializer.a(this.a.getName());
+ }
+
+ public void a(PacketLoginOutListener packetloginoutlistener) {
+ packetloginoutlistener.a(this);
+ }
+
+ public boolean a() {
+ return true;
+ }
+
+ public void handle(PacketListener packetlistener) {
+ this.a((PacketLoginOutListener) packetlistener);
+ }
+}
diff --git a/src/main/java/net/minecraft/server/PacketPlayOutNamedEntitySpawn.java b/src/main/java/net/minecraft/server/PacketPlayOutNamedEntitySpawn.java
index 7bae405..5e24f7e 100644
--- a/src/main/java/net/minecraft/server/PacketPlayOutNamedEntitySpawn.java
+++ b/src/main/java/net/minecraft/server/PacketPlayOutNamedEntitySpawn.java
@@ -66,8 +66,9 @@ public class PacketPlayOutNamedEntitySpawn extends Packet {
packetdataserializer.b(this.a);
UUID uuid = this.b.getId();
- packetdataserializer.a(uuid == null ? "" : uuid.toString());
+ packetdataserializer.a( uuid == null ? "" : ( ( packetdataserializer.version >= 5 ) ? uuid.toString() : uuid.toString().replaceAll( "-", "" ) ) ); // Spigot
packetdataserializer.a(this.b.getName().length() > 16 ? this.b.getName().substring(0, 16) : this.b.getName()); // CraftBukkit - Limit name length to 16 characters
+ if (packetdataserializer.version >= 5 ) { // Spigot
packetdataserializer.b(this.b.getProperties().size());
Iterator iterator = this.b.getProperties().values().iterator();
@@ -78,6 +79,7 @@ public class PacketPlayOutNamedEntitySpawn extends Packet {
packetdataserializer.a(property.getValue());
packetdataserializer.a(property.getSignature());
}
+ } // Spigot
packetdataserializer.writeInt(this.c);
packetdataserializer.writeInt(this.d);
diff --git a/src/main/java/net/minecraft/server/PacketStatusListener.java b/src/main/java/net/minecraft/server/PacketStatusListener.java
index 6423aec..f1571f1 100644
--- a/src/main/java/net/minecraft/server/PacketStatusListener.java
+++ b/src/main/java/net/minecraft/server/PacketStatusListener.java
@@ -123,7 +123,7 @@ public class PacketStatusListener implements PacketStatusInListener {
ping.setFavicon(event.icon.value);
ping.setMOTD(new ChatComponentText(event.getMotd()));
ping.setPlayerSample(playerSample);
- ping.setServerInfo(new ServerPingServerData(minecraftServer.getServerModName() + " " + minecraftServer.getVersion(), 5)); // TODO: Update when protocol changes
+ ping.setServerInfo(new ServerPingServerData(minecraftServer.getServerModName() + " " + minecraftServer.getVersion(), networkManager.getVersion())); // TODO: Update when protocol changes
this.networkManager.handle(new PacketStatusOutServerInfo(ping), new GenericFutureListener[0]);
// CraftBukkit end
--
1.9.1
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