Minecraft 25w05a protocol support

pom.xml

@@ -72,7 +72,7 @@
 
     <properties>
         <build.number>unknown</build.number>
-        <lombok.version>1.18.32</lombok.version>
+        <lombok.version>1.18.36</lombok.version>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>

protocol/src/main/java/net/md_5/bungee/protocol/DefinedPacket.java

@@ -15,6 +15,7 @@ import java.util.Arrays;
 import java.util.BitSet;
 import java.util.EnumSet;
 import java.util.List;
+import java.util.Map;
 import java.util.UUID;
 import java.util.function.BiConsumer;
 import lombok.RequiredArgsConstructor;
@@ -69,6 +70,15 @@ public abstract class DefinedPacket
         buf.writeBytes( b );
     }
 
+    public static <T> T readStringMapKey(ByteBuf buf, Map<String, T> map)
+    {
+        String string = readString( buf );
+        T result = map.get( string );
+        Preconditions.checkArgument( result != null, "Unknown string key %s", string );
+
+        return result;
+    }
+
     public static String readString(ByteBuf buf)
     {
         return readString( buf, Short.MAX_VALUE );

protocol/src/main/java/net/md_5/bungee/protocol/ProtocolConstants.java

@@ -49,7 +49,7 @@ public class ProtocolConstants
     public static final int MINECRAFT_1_21 = 767;
     public static final int MINECRAFT_1_21_2 = 768;
     public static final int MINECRAFT_1_21_4 = 769;
-    public static final int MINECRAFT_1_21_5 = 1073742055;
+    public static final int MINECRAFT_1_21_5 = 1073742056;
     public static final List<String> SUPPORTED_VERSIONS;
     public static final List<Integer> SUPPORTED_VERSION_IDS;
 

protocol/src/main/java/net/md_5/bungee/protocol/packet/Team.java

@@ -1,6 +1,8 @@
 package net.md_5.bungee.protocol.packet;
 
+import com.google.common.collect.ImmutableMap;
 import io.netty.buffer.ByteBuf;
+import java.util.Map;
 import lombok.AllArgsConstructor;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
@@ -26,8 +28,8 @@ public class Team extends DefinedPacket
     private Either<String, BaseComponent> displayName;
     private Either<String, BaseComponent> prefix;
     private Either<String, BaseComponent> suffix;
-    private String nameTagVisibility;
+    private NameTagVisibility nameTagVisibility;
-    private String collisionRule;
+    private CollisionRule collisionRule;
     private int color;
     private byte friendlyFire;
     private String[] players;
@@ -60,10 +62,18 @@ public class Team extends DefinedPacket
                 displayName = readEitherBaseComponent( buf, protocolVersion, false );
             }
             friendlyFire = buf.readByte();
-            nameTagVisibility = readString( buf );
+            if ( protocolVersion >= ProtocolConstants.MINECRAFT_1_21_5 )
-            if ( protocolVersion >= ProtocolConstants.MINECRAFT_1_9 )
             {
-                collisionRule = readString( buf );
+                nameTagVisibility = NameTagVisibility.values()[readVarInt( buf )];
+                collisionRule = CollisionRule.values()[readVarInt( buf )];
+            } else
+            {
+                nameTagVisibility = readStringMapKey( buf, NameTagVisibility.BY_NAME );
+
+                if ( protocolVersion >= ProtocolConstants.MINECRAFT_1_9 )
+                {
+                    collisionRule = readStringMapKey( buf, CollisionRule.BY_NAME );
+                }
             }
             color = ( protocolVersion >= ProtocolConstants.MINECRAFT_1_13 ) ? readVarInt( buf ) : buf.readByte();
             if ( protocolVersion >= ProtocolConstants.MINECRAFT_1_13 )
@@ -97,10 +107,17 @@ public class Team extends DefinedPacket
                 writeEitherBaseComponent( suffix, buf, protocolVersion );
             }
             buf.writeByte( friendlyFire );
-            writeString( nameTagVisibility, buf );
+            if ( protocolVersion >= ProtocolConstants.MINECRAFT_1_21_5 )
-            if ( protocolVersion >= ProtocolConstants.MINECRAFT_1_9 )
             {
-                writeString( collisionRule, buf );
+                writeVarInt( nameTagVisibility.ordinal(), buf );
+                writeVarInt( collisionRule.ordinal(), buf );
+            } else
+            {
+                writeString( nameTagVisibility.getKey(), buf );
+                if ( protocolVersion >= ProtocolConstants.MINECRAFT_1_9 )
+                {
+                    writeString( collisionRule.getKey(), buf );
+                }
             }
 
             if ( protocolVersion >= ProtocolConstants.MINECRAFT_1_13 )
@@ -128,4 +145,76 @@ public class Team extends DefinedPacket
     {
         handler.handle( this );
     }
+
+    public enum NameTagVisibility
+    {
+
+        ALWAYS( "always" ),
+        NEVER( "never" ),
+        HIDE_FOR_OTHER_TEAMS( "hideForOtherTeams" ),
+        HIDE_FOR_OWN_TEAM( "hideForOwnTeam" );
+        //
+        private final String key;
+        //
+        private static final Map<String, NameTagVisibility> BY_NAME;
+
+        static
+        {
+            NameTagVisibility[] values = NameTagVisibility.values();
+            ImmutableMap.Builder<String, NameTagVisibility> builder = ImmutableMap.builderWithExpectedSize( values.length );
+
+            for ( NameTagVisibility e : values )
+            {
+                builder.put( e.key, e );
+            }
+
+            BY_NAME = builder.build();
+        }
+
+        private NameTagVisibility(String name)
+        {
+            this.key = name;
+        }
+
+        public String getKey()
+        {
+            return this.key;
+        }
+    }
+
+    public enum CollisionRule
+    {
+
+        ALWAYS( "always" ),
+        NEVER( "never" ),
+        PUSH_OTHER_TEAMS( "pushOtherTeams" ),
+        PUSH_OWN_TEAM( "pushOwnTeam" );
+        //
+        private final String key;
+        //
+        private static final Map<String, CollisionRule> BY_NAME;
+
+        static
+        {
+            CollisionRule[] values = CollisionRule.values();
+            ImmutableMap.Builder<String, CollisionRule> builder = ImmutableMap.builderWithExpectedSize( values.length );
+
+            for ( CollisionRule e : values )
+            {
+                builder.put( e.key, e );
+            }
+
+            BY_NAME = builder.build();
+        }
+
+        private CollisionRule(String name)
+        {
+            this.key = name;
+        }
+
+        public String getKey()
+        {
+            return this.key;
+        }
+    }
 }

proxy/src/main/java/net/md_5/bungee/connection/DownstreamBridge.java

@@ -283,8 +283,8 @@ public class DownstreamBridge extends PacketHandler
                 t.setPrefix( team.getPrefix().getLeftOrCompute( ComponentSerializer::toString ) );
                 t.setSuffix( team.getSuffix().getLeftOrCompute( ComponentSerializer::toString ) );
                 t.setFriendlyFire( team.getFriendlyFire() );
-                t.setNameTagVisibility( team.getNameTagVisibility() );
+                t.setNameTagVisibility( team.getNameTagVisibility().getKey() );
-                t.setCollisionRule( team.getCollisionRule() );
+                t.setCollisionRule( team.getCollisionRule().getKey() );
                 t.setColor( team.getColor() );
             }
             if ( team.getPlayers() != null )