From 0eaabdf5ca6dddd2bcdd57b77d3d02bc4967105e Mon Sep 17 00:00:00 2001
From: md_5 <git@md-5.net>
Date: Mon, 18 Sep 2017 20:00:00 +1000
Subject: [PATCH] Update to Minecraft 1.12.2

---
 .../main/java/net/md_5/bungee/protocol/Protocol.java |  3 +++
 .../net/md_5/bungee/protocol/ProtocolConstants.java  |  4 +++-
 .../net/md_5/bungee/protocol/packet/KeepAlive.java   | 12 +++++++++---
 .../main/java/net/md_5/bungee/UserConnection.java    |  2 +-
 .../java/net/md_5/bungee/entitymap/EntityMap.java    |  1 +
 5 files changed, 17 insertions(+), 5 deletions(-)

diff --git a/protocol/src/main/java/net/md_5/bungee/protocol/Protocol.java b/protocol/src/main/java/net/md_5/bungee/protocol/Protocol.java
index 61e2b42d..f06aa95a 100644
--- a/protocol/src/main/java/net/md_5/bungee/protocol/Protocol.java
+++ b/protocol/src/main/java/net/md_5/bungee/protocol/Protocol.java
@@ -337,6 +337,9 @@ public enum Protocol
             linkedProtocols.put( ProtocolConstants.MINECRAFT_1_12, Arrays.asList(
                     ProtocolConstants.MINECRAFT_1_12_1
             ) );
+               linkedProtocols.put( ProtocolConstants.MINECRAFT_1_12_1, Arrays.asList(
+                    ProtocolConstants.MINECRAFT_1_12_2
+            ) );
         }
 
         @Getter
diff --git a/protocol/src/main/java/net/md_5/bungee/protocol/ProtocolConstants.java b/protocol/src/main/java/net/md_5/bungee/protocol/ProtocolConstants.java
index f61454cf..ac9adf33 100644
--- a/protocol/src/main/java/net/md_5/bungee/protocol/ProtocolConstants.java
+++ b/protocol/src/main/java/net/md_5/bungee/protocol/ProtocolConstants.java
@@ -16,6 +16,7 @@ public class ProtocolConstants
     public static final int MINECRAFT_1_11_1 = 316;
     public static final int MINECRAFT_1_12 = 335;
     public static final int MINECRAFT_1_12_1 = 338;
+    public static final int MINECRAFT_1_12_2 = 340;
     public static final List<String> SUPPORTED_VERSIONS = Arrays.asList(
             "1.8.x",
             "1.9.x",
@@ -32,7 +33,8 @@ public class ProtocolConstants
             ProtocolConstants.MINECRAFT_1_11,
             ProtocolConstants.MINECRAFT_1_11_1,
             ProtocolConstants.MINECRAFT_1_12,
-            ProtocolConstants.MINECRAFT_1_12_1
+            ProtocolConstants.MINECRAFT_1_12_1,
+            ProtocolConstants.MINECRAFT_1_12_2
     );
 
     public enum Direction
diff --git a/protocol/src/main/java/net/md_5/bungee/protocol/packet/KeepAlive.java b/protocol/src/main/java/net/md_5/bungee/protocol/packet/KeepAlive.java
index 0960b7d8..9df9ef56 100644
--- a/protocol/src/main/java/net/md_5/bungee/protocol/packet/KeepAlive.java
+++ b/protocol/src/main/java/net/md_5/bungee/protocol/packet/KeepAlive.java
@@ -16,18 +16,24 @@ import net.md_5.bungee.protocol.ProtocolConstants;
 public class KeepAlive extends DefinedPacket
 {
 
-    private int randomId;
+    private long randomId;
 
     @Override
     public void read(ByteBuf buf, ProtocolConstants.Direction direction, int protocolVersion)
     {
-        randomId = readVarInt( buf );
+        randomId = ( protocolVersion >= ProtocolConstants.MINECRAFT_1_12_2 ) ? buf.readLong() : readVarInt( buf );
     }
 
     @Override
     public void write(ByteBuf buf, ProtocolConstants.Direction direction, int protocolVersion)
     {
-        writeVarInt( randomId, buf );
+        if ( protocolVersion >= ProtocolConstants.MINECRAFT_1_12_2 )
+        {
+            buf.writeLong( randomId );
+        } else
+        {
+            writeVarInt( (int) randomId, buf );
+        }
     }
 
     @Override
diff --git a/proxy/src/main/java/net/md_5/bungee/UserConnection.java b/proxy/src/main/java/net/md_5/bungee/UserConnection.java
index 47a30f71..881a079a 100644
--- a/proxy/src/main/java/net/md_5/bungee/UserConnection.java
+++ b/proxy/src/main/java/net/md_5/bungee/UserConnection.java
@@ -91,7 +91,7 @@ public final class UserConnection implements ProxiedPlayer
     /*========================================================================*/
     @Getter
     @Setter
-    private int sentPingId;
+    private long sentPingId;
     @Getter
     @Setter
     private long sentPingTime;
diff --git a/proxy/src/main/java/net/md_5/bungee/entitymap/EntityMap.java b/proxy/src/main/java/net/md_5/bungee/entitymap/EntityMap.java
index 3e0ec0d5..847a3eca 100644
--- a/proxy/src/main/java/net/md_5/bungee/entitymap/EntityMap.java
+++ b/proxy/src/main/java/net/md_5/bungee/entitymap/EntityMap.java
@@ -45,6 +45,7 @@ public abstract class EntityMap
             case ProtocolConstants.MINECRAFT_1_12:
                 return EntityMap_1_12.INSTANCE;
             case ProtocolConstants.MINECRAFT_1_12_1:
+            case ProtocolConstants.MINECRAFT_1_12_2:
                 return EntityMap_1_12_1.INSTANCE;
         }
         throw new RuntimeException( "Version " + version + " has no entity map" );